阅读说明：本技术 一种柔性伺服压力机的智能控制系统及方法 (Intelligent control system and method of flexible servo press ) 是由 刘静 吕国盛 李金成 苏德林 于 2019-09-27 设计创作，主要内容包括：本发明涉及一种柔性伺服压力机的智能控制系统及方法,属于机械伺服压力机的自动控制领域,所述柔性伺服压力机的智能控制系统包括：控制伺服电机工作状态的CNC系统、控制压机动作的PLC系统；所述CNC系统和PLC系统进行数据交互；其特征在于,至少还包括：显示系统,所述CNC系统和PLC系统均与显示系统进行数据交互；其中：所述显示系统内安装有大滑块位置曲线模块和液压垫位置曲线模块。通过采用上述技术方案,本发明专利可使伺服压力机实现九大工艺曲线,能够仿真油压机、曲柄压力机、多连杆压力机等设备的工艺曲线。从而使模具上线后的再调整减少到最少。(The invention relates to an intelligent control system and method of a flexible servo press, belonging to the automatic control field of mechanical servo presses, wherein the intelligent control system of the flexible servo press comprises: a CNC system for controlling the working state of the servo motor and a PLC system for controlling the action of the press; the CNC system and the PLC system carry out data interaction; it is characterized by at least comprising: the CNC system and the PLC system are in data interaction with the display system; wherein: and a large slide block position curve module and a hydraulic cushion position curve module are installed in the display system. By adopting the technical scheme, the servo press can realize nine large process curves, and can simulate the process curves of equipment such as an oil press, a crank press, a multi-connecting-rod press and the like. Thereby minimizing readjustment of the mold after threading.)

1. An intelligent control system for a flexible servo press, comprising: a CNC system for controlling the working state of the servo motor and a PLC system for controlling the action of the press; the CNC system and the PLC system carry out data interaction; it is characterized by at least comprising:

the CNC system and the PLC system are in data interaction with the display system; wherein:

and a large slide block position curve module and a hydraulic cushion position curve module are installed in the display system.

2. A method based on the intelligent control system of the flexible servo press machine of claim 1, which is characterized by comprising the following steps:

s1, setting large slide block parameters of a large slide block position curve module in a display system, wherein the large slide block parameters comprise large slide block position parameters and large slide block pressure parameters;

s2, setting hydraulic cushion parameters of the hydraulic cushion position curve module in the display system according to process requirements, wherein the hydraulic cushion parameters comprise hydraulic cushion pressure parameters;

s3, the display system sends the large slide block parameters and the hydraulic cushion parameters to a CNC system and a PLC system;

s4, the PLC system controls the action of the press according to the received large slide block parameters and hydraulic cushion parameters;

s5, feeding back the data of the displacement of the large slide block and the pressure of the large slide block to the PLC system by the large slide block position detection system and the pressure detection system;

s6, the PLC system calculates and analyzes according to the large slide displacement and the large slide pressure data, sends out an action instruction, and simultaneously feeds back information to the CNC system;

s7, the CNC system further controls the servo driver to operate according to the received information;

s8, controlling the hydraulic cushion system to act according to a set curve by the PLC system according to the process requirement;

s9, feeding back the position and pressure data to the PLC system by the hydraulic cushion position detection system and the pressure detection system;

and S10, the PLC system performs logical operation and analysis according to the current data, sends out an instruction and controls the action of the hydraulic cushion.

Technical Field

The invention belongs to the field of automatic control of mechanical servo presses, and particularly relates to an intelligent control system and method of a flexible servo press.

Background

In recent years, with the rapid development of modern forming techniques, stricter requirements are put on the working performance of punching equipment. At present, stamping equipment of many customers is wide, the structure is various, and when a die is tested before formal production, a single die testing press machine cannot completely meet the process requirements required by subsequent formal production, so that designing and developing an intelligent control system and method of a multifunctional flexible servo press machine is particularly important.

Disclosure of Invention

The invention provides an intelligent control system and method of a flexible servo press for solving the technical problems in the prior art, and further realizes various curve forming processes of the press pressure.

A first object of the present invention is to provide an intelligent control system of a flexible servo press, comprising: the system comprises a CNC system for controlling the working state of a servo motor and a PLC system for controlling the action of a servo press; the CNC system and the PLC system carry out data interaction;

the CNC system and the PLC system are in data interaction with the display system; wherein:

and a large slide block position curve module and a hydraulic cushion position curve module are installed in the display system.

A second object of the present invention is to provide a method of an intelligent control system of a flexible servo press, comprising the steps of:

s1, setting large slide block parameters of a large slide block position curve module in a display system, wherein the large slide block parameters comprise large slide block position parameters and large slide block pressure parameters;

s2, setting hydraulic cushion parameters of the hydraulic cushion position curve module in the display system according to process requirements, wherein the hydraulic cushion parameters comprise hydraulic cushion pressure parameters;

s3, the display system sends the large slide block parameters and the hydraulic cushion parameters to a CNC system and a PLC system;

s4, the PLC system controls the action of the press according to the received large slide block parameters and hydraulic cushion parameters;

s5, feeding back the data of the displacement of the large slide block and the pressure of the large slide block to the PLC system by the large slide block position detection system and the pressure detection system;

s6, the PLC system calculates and analyzes according to the large slide displacement and the large slide pressure data, sends out an action instruction, and simultaneously feeds back information to the CNC system;

s7, the CNC system further controls the servo driver to operate according to the received information;

s8, controlling the hydraulic cushion system to act according to a set curve by the PLC system according to the process requirement;

s9, feeding back the position and pressure data to the PLC system by the hydraulic cushion position detection system and the pressure detection system;

and S10, the PLC system performs logical operation and analysis according to the current data, sends out an instruction and controls the action of the hydraulic cushion.

The invention has the advantages and positive effects that:

the invention can make the servo press realize nine large process curves and can simulate the process curves of equipment such as an oil press, a crank press, a multi-connecting-rod press and the like. Thereby minimizing readjustment of the mold after threading.

Drawings

FIG. 1 is a block diagram of a preferred embodiment of the present invention;

FIG. 2 is a first interface diagram of a display system in accordance with a preferred embodiment of the present invention;

FIG. 3 is a second interface diagram of the display system in the preferred embodiment of the present invention;

fig. 4 is a nine-large process diagram in practice.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:

referring to fig. 1 to 4, an intelligent control system for a flexible servo press comprises:

the system comprises a CNC system for controlling the working state of a servo motor and a PLC system for controlling the action of a servo press; the CNC system and the PLC system carry out data interaction;

the CNC system and the PLC system are in data interaction with the display system; wherein:

and a large slide block position curve module and a hydraulic cushion position curve module are installed in the display system.

A method of an intelligent control system of a flexible servo press comprises the following steps:

1. a large slide block position curve (see attached figure 2) needs to be set in a display system picture, a six-point position is set in the attached figure 2, and an eight-point or ten-point position can be set according to process requirements. Meanwhile, the constant pressure of the large slide block can be set; 2. the hydraulic cushion position curve (see figure 2) is set according to the process requirements and the hydraulic cushion pressure can be set. The display system is connected with the CNC system and the PLC system through a bus, so that set data can be transmitted to the two control systems; 3, the CNC system receives an action instruction sent by the display system and the PLC system and controls a driver of the servo motor to operate; 4. the servo driver controls the servo motor to operate; 5. the servo motor is connected with the speed reducer through a mechanical structure, so that the servo motor drives the speed reducer to operate; 6. the speed reducer is connected with the main screw rod through a mechanical structure, the main screw rod is connected with the small pressing machine sliding block through the mechanical structure, the small pressing machine sliding block is connected with the multi-connecting-rod system through the mechanical structure, and the multi-connecting-rod system is connected with the large pressing machine sliding block through the mechanical structure, so that the large pressing machine sliding block is controlled to operate finally; 7. the large slide block acts according to a curve set in the display system; 8. the large slide block position detection system and the pressure detection system feed back the displacement and pressure data to the PLC; the PLC calculates and analyzes according to the current data, sends an action instruction and feeds back information to the CNC system; the CNC system further controls the servo driver to operate according to the received information, and finally controls the large sliding block to accurately move, wherein the whole process is closed-loop control; 11. meanwhile, according to the process requirements, the PLC system controls the hydraulic cushion system to act according to a set curve; 12. the hydraulic cushion position detection system and the pressure detection system feed back position and pressure data to the PLC; and 13, the PLC performs logical operation and analysis according to the current data, sends out an instruction and controls the hydraulic cushion to accurately act. The whole process is closed-loop control. 14. The position and pressure of the large slide and the position and pressure of the hydraulic cushion can be displayed in the display system in the process.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.