CN201340542Y - Double-shaft drive servo-control system - Google Patents

Abstract

The utility model relates to a dual-axis drive servo control system, which comprises an AC servo driver and a first axis and a second axis controlled by the AC servo driver, and the AC servo driver includes a The dual-axis drive unit of the shaft, the first shaft encoder, the second shaft encoder, the command interface for sending commands to the first shaft and the second shaft, the first shaft output interface for receiving the output signal of the first shaft and The second axis output interface for receiving the output signal of the second axis. The implementation of the dual-axis drive servo control system of the utility model has the following beneficial effects: a single servo driver can control multiple linkage axes, and the wiring structure can be simplified.

Description

Two-axis drive servo control system

technical field

The utility model relates to a drive system, in particular to a dual-axis drive servo control system.

Background technique

The CNC drive servo control system is the core component of various robots, automatic lines, light industrial equipment, and defense equipment such as artillery manufacturing, radar tracking, and early warning systems. It has a wide range of applications and a huge market demand potential, so it has been vigorously developed by various countries. However, the CNC drive servo control system in the prior art is a single-axis drive servo control system, and its control principle is shown in FIG. 1 . In the prior art single-axis drive servo control system, it includes a plurality of single-axis servo drivers and each axis driven by each single-axis servo driver. Each single-axis servo driver includes: a serial interface, an encoder and a command interface for connecting the axes.

Using a single-axis servo drive system, each single-axis servo driver can only drive a single axis, resulting in complex control, cumbersome wiring, difficult debugging, and high cost.

Therefore, there is a need for a servo drive system capable of controlling multiple linkage axes with a single servo drive and simplifying the wiring structure.

Utility model content

The technical problem to be solved by the utility model is that each single-axis servo driver in the prior art single-axis servo drive system can only drive a single axis, resulting in complicated control, complicated wiring, difficult debugging and high cost. A servo drive system capable of controlling multiple linkage axes with a single servo drive and simplifying the wiring structure.

The technical solution adopted by the utility model to solve the technical problem is: to construct a dual-axis drive servo control system, including an AC servo driver and a first axis and a second axis receiving the AC servo driver, and the AC servo driver includes A dual-axis drive unit for driving the first axis and the second axis, an encoder for the first axis, an encoder for the second axis, an instruction interface for sending instructions to the first axis and the second axis, and an interface for receiving the second axis A first axis output interface for outputting signals from one axis and a second axis output interface for receiving output signals from the second axis.

In the dual-axis drive servo control system of the present invention, the command interface includes a first axis command interface for sending commands to the first axis and a second axis command interface for sending commands to the second axis.

In the dual-axis drive servo control system of the present invention, the command interface includes a first servo enable interface and a second servo enable interface for turning on or off the AC servo driver.

In the dual-axis drive servo control system of the present invention, the AC servo driver further includes an external braking interface for externally connecting a braking resistor when the dual-axis drive unit reports overvoltage.

In the dual-axis drive servo control system of the present invention, the AC servo drive further includes a power interface for connecting the main circuit power supply.

The implementation of the dual-axis drive servo control system of the utility model has the following beneficial effects: a single servo driver can control multiple linkage axes, and the wiring structure can be simplified.

Description of drawings

The utility model will be further described below in conjunction with accompanying drawing and embodiment, in the accompanying drawing:

Fig. 1 is the functional block diagram of the biaxial drive servo control system of the present utility model;

Fig. 2 is a schematic diagram of the first embodiment of the dual-axis drive servo control system of the present invention;

3 is a schematic diagram of the second embodiment of the dual-axis drive servo control system of the present invention;

Fig. 4 is a schematic diagram of the configuration of the interface terminals of the AC servo driver of the present invention.

Detailed ways

As shown in Figure 1, in the first embodiment of the dual-axis drive servo control system of the present invention, the dual-axis drive servo control system includes an AC servo driver 100 and a first axis 200 controlled by the AC servo driver 100 and the second shaft 300, the AC servo driver 100 includes a biaxial drive unit 500 for driving the first shaft 200 and the second shaft 300, a first shaft encoder 202, and a second shaft encoder 302 for A command interface 400 for sending commands to the first axis 200 and the second axis 300, a first axis output interface 203 for receiving output signals from the first axis 200, and a second axis output interface 303 for receiving output signals from the second axis 300 . The implementation of the dual-axis drive servo control system of the utility model has the following beneficial effects: a single servo driver can control multiple linkage axes, and the wiring structure can be simplified.

Fig. 2 is a schematic diagram of the first embodiment of the dual-axis drive servo control system of the present invention. As shown in FIG. 2 , the command interface 400 includes a first axis command interface 401 for sending commands to the first axis 200 and a second axis command interface 402 for sending commands to the second axis 300 . The command interface 400 includes a first servo enable interface 403 and a second servo enable interface 404 for turning on or off the AC servo driver 100 . The AC servo drive 100 further includes an external braking interface 600 for externally connecting a braking resistor when the biaxial drive unit 500 reports overvoltage. In a preferred embodiment of the present invention, the AC servo driver 100 further includes a power interface 700 for connecting the main circuit power supply. The functions and functions of each terminal of each interface shown in Figure 2 are shown in Table 5.1-56.

Fig. 3 is a schematic diagram of the second embodiment of the dual-axis drive servo control system of the present invention. In yet another embodiment of the present invention, as shown in FIG. 3 , the command interface 400 may include ports for sending commands to the first shaft 200 and the second shaft 300 respectively.

Fig. 4 is a schematic diagram of the configuration of the interface terminals of the AC servo driver of the present invention. Tables 5.1-5.6 show the names and functions of each terminal of the dual-axis drive servo control system of the present invention shown in Figures 2 and 3. The functions and functions of each terminal of each interface shown in Figure 3 are shown in Table 5.1-56.

Table 5.1CON-2

Table 5.2 Power supply

Table 5.3 Axis 1 motor

Table 5.4 Axis 2 Motors

Table 5.5 Definition of axis 1 command port signal

Table 5.6 Axis 2 command port signal definition

Claims (5)

1, a kind of twin shaft drives servo-control system, it is characterized in that, first (200) and second (300) that comprise AC servo driver (100) and be subjected to described AC servo driver (100), described AC servo driver (100) comprises the twin shaft driver element (500) that is used to drive described first (200) and second (300), first shaft encoder (202), second shaft encoder (302), be used for sending the instruction interface (400) of instruction, second output interface (303) that is used to receive first output interface (203) of first (200) output signal and is used to receive second (300) output signal to first (200) and second (300).

2, twin shaft according to claim 1 drives servo-control system, it is characterized in that described instruction interface (400) comprises second instruction interface (402) that is used for first instruction interface (401) that instructs to first (200) transmission and is used for instructing to second (300) transmission.

3, twin shaft according to claim 1 drives servo-control system, it is characterized in that described instruction interface (400) comprises and is used for unlatching or closes described AC servo driver (100) the first servo interface (403) and the second servo interfaces (404) that enable of enabling.

4, twin shaft according to claim 1 drives servo-control system, it is characterized in that, described AC servo driver (100) further comprises and is used for being used for the external brake interface (600) of external braking resistor when the overvoltage of twin shaft driver element (500) newspaper.

5, twin shaft according to claim 1 drives servo-control system, it is characterized in that described AC servo driver (100) further comprises the power interface (700) that is used to connect main circuit power.

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