阅读说明：本技术 一种压机节能系统 (Press economizer system ) 是由 麦文英 汪加武 叶建明 李姣华 潘克芳 于 2020-08-10 设计创作，主要内容包括：本发明涉及陶瓷生产领域,提供一种压机节能系统,用于解决陶瓷生产用压机工作效率低的问题。本发明提供的一种压机节能系统,包括：电机伺服驱动器,所述电机伺服驱动器同压机的电机连接；所述电机伺服驱动器包括主回路和控制回路,所述主回路同电源连接,所述主回路的输出端子同压机的电机连接,所述控制回路同所述主回路电性连接。可以有效的控制电能消耗,提升电能的利用率,节约压机启动的时间。(The invention relates to the field of ceramic production, and provides an energy-saving system of a press, which is used for solving the problem of low working efficiency of the press for ceramic production. The invention provides an energy-saving system of a press, which comprises: the motor servo driver is connected with a motor of the press; the motor servo driver comprises a main loop and a control loop, the main loop is connected with a power supply, an output terminal of the main loop is connected with a motor of the press, and the control loop is electrically connected with the main loop. The electric energy consumption can be effectively controlled, the utilization rate of electric energy is improved, and the starting time of the press is saved.)

1. An energy saving system for a press, comprising:

the motor servo driver is connected with a motor of the press;

the motor servo driver comprises a main loop and a control loop, the main loop is connected with a power supply, an output terminal of the main loop is connected with a motor of the press, and the control loop is electrically connected with the main loop.

2. The press economizer system of claim 1 wherein the control loop is connected to a PLC.

3. The energy saving system of claim 2, wherein the control circuit comprises an oil pump enabling interface, a fault resetting interface, a sleep interface, a working state interface, and a pressure maintaining interface, and the oil pump enabling interface, the fault resetting interface, the sleep interface, the working state interface, and the pressure maintaining interface are respectively connected to the PLC.

4. The energy saving system of the press machine as claimed in claim 1, wherein the control loop is connected to one or more of a pressure sensor, a temperature sensor and an alarm device.

5. The energy saving system for press machine of claim 1, wherein said main circuit is connected to a dc reactor.

6. The energy saving system of claim 1, wherein the main circuit is connected to a braking device, the braking device comprises a braking unit and a braking resistor, the braking unit is connected to the main circuit, and the braking resistor is connected to the braking unit.

7. The energy-saving system for the press machine as claimed in claim 1, wherein the PLC is respectively connected with one or more of an oil pump enabling relay, a reset relay, a sleep relay and an operating state relay;

and the oil pump enabling relay, the reset relay, the dormancy relay and the working state relay are connected in parallel and then connected with the PLC.

8. Press energy saving system according to claim 1, characterized in that the oil pump enabling relay is connected to the auxiliary operating state indicating contacts of the press, which are connected to the circuit breaker.

9. The press economizer system of claim 1 wherein the press economizer system controls the press by:

s10, the PLC detects whether a skip car is started or whether a pressure starting switch is started;

s20, if the material vehicle is detected to be started or the pressure lifting switch is detected to be started, a motor starting signal is sent out, the motor servo driver drives the motor to work, the motor enters a working state, and the press is started;

s30, in the running process of the press, if a signal that a skip car stops or a pressure starting switch is turned off is received, the rotating speed of the motor is reduced by the motor servo driver, the motor enters a dormant state, and the motor enters the dormant state.

10. The energy saving system of claim 9, wherein after the press is started, if the PLC detects a charge valve opening signal, the motor servo driver reduces the motor speed to make the motor enter a sleep state, and the motor enters the sleep state.

Technical Field

The invention relates to the field of ceramic production, in particular to an energy-saving system of a press.

Background

The press is a molding machine for molding industrial products by pressure, generally adopts a hydraulic oil cylinder, is also called an oil press, and is called a brick press for short in the building and building industry, and the press is divided into a manual brick press and an automatic hydraulic brick press. In the process of pressing and forming the ceramic tile, pug is required to be placed on the bearing plate and then pressed and formed by a press.

The power of the press is great, the power consumption is higher, and the existing press is in a working state in the production process, does not have a dormancy function, or cannot be restarted quickly after dormancy, thereby causing a great amount of waste.

Disclosure of Invention

The invention provides an energy-saving system of a press, which solves the technical problem of low working efficiency of the press for ceramic production.

In order to solve the technical problems, the technical scheme provided by the invention is as follows:

a press economizer system comprising:

the motor servo driver is connected with a motor of the press;

the motor servo driver comprises a main loop and a control loop, the main loop is connected with a power supply, an output terminal of the main loop is connected with a motor of the press, and the control loop is electrically connected with the main loop.

The motor servo driver can control the motor to sleep when in idle, and can quickly start the motor in a sleep state.

The press can be controlled to sleep under the condition of less workpieces or low working pressure of a production line, so that electric energy is saved; after the workpieces are added, the motor can be started quickly, and production is not affected.

Preferably, the control loop is connected with a PLC.

Preferably, the control circuit comprises an oil pump enabling interface, a fault resetting interface, a dormant interface, a working state interface and a pressure maintaining interface, wherein the oil pump enabling interface, the fault resetting interface, the dormant interface, the working state interface and the pressure maintaining interface are respectively connected with the PLC.

Preferably, the control loop is connected with one or more of a pressure sensor, a temperature sensor and an alarm device.

Preferably, the main circuit is connected with a direct current reactor.

Preferably, the main circuit is connected with a braking device, the braking device comprises a braking unit and a braking resistor, the braking unit is connected with the main circuit, and the braking resistor is connected with the braking unit.

Preferably, the PLC is respectively connected with one or more of an oil pump enabling relay, a reset relay, a sleep relay and a working state relay;

and the oil pump enabling relay, the reset relay, the dormancy relay and the working state relay are connected in parallel and then connected with the PLC.

Preferably, the oil pump enabling relay is connected with an auxiliary contact of the press, which represents an operating state, and the auxiliary contact of the press, which represents an operating state, is connected with the circuit breaker.

Preferably, the control method of the press energy-saving system to the press is as follows:

s10, the PLC detects whether a skip car is started or whether a pressure starting switch is started;

s20, if the material vehicle is detected to be started or the pressure lifting switch is detected to be started, a motor starting signal is sent out, the motor servo driver drives the motor to work, the motor enters a working state, and the press is started;

s30, in the running process of the press, if a signal that a skip car stops or a pressure starting switch is turned off is received, the rotating speed of the motor is reduced by the motor servo driver, the motor enters a dormant state, and the motor enters the dormant state.

Preferably, after the press is started, if the PLC detects a liquid filling valve opening signal, the motor servo driver reduces the motor speed to make the motor enter a sleep state, and the motor enters the sleep state.

Compared with the prior art, the invention has the beneficial effects that: the electric energy consumption can be effectively controlled, the utilization rate of electric energy is improved, and the starting time of the press is saved.

Drawings

Fig. 1 is a schematic diagram of a press economizer system.

Fig. 2 is a schematic diagram of a PLC in an energy saving system of a press.

Fig. 3 is a schematic diagram of a press control cabinet in a press energy saving system.

Fig. 4 is a schematic connection diagram of an oil pump enabling relay in the energy-saving system of the press.

Fig. 5 is a schematic diagram of a press economizer system.

Detailed Description

The following examples are further illustrative of the present invention and are not intended to be limiting thereof.