CN211857267U - Four-axis motion controller of disconnect-type structure - Google Patents

Abstract

The utility model discloses a four-axis motion control ware of disconnect-type structure, including master control board and interface board, connect through the connector, the master control board includes power module, processor module and connection processor module's input module, SRAM module, SWD interface module, encryption module, communication module, output module, EL signal module and ORG signal module, the processor module includes ARM treater and DSP treater through FSMC bus connection, communication module includes RS485 communication module, CAN communication module, RS232 communication module and ethernet communication module, the interface board includes encoder input module, SON signal module, CLR signal module, INP signal module, ERC signal module, ALM signal module and drive output module. The utility model discloses rational in infrastructure, low cost, interface board can conveniently connect to insert and repair according to actual project demand adjustment direction.

Description

Four-axis motion controller of disconnect-type structure

Technical Field

The utility model relates to a numerical control technical field especially relates to a four-axis motion controller of disconnect-type structure.

Background

The motion controller is widely applied to motion control in the numerical control technical field of numerical control machine tools, various cutting machines and the like, but the motion controller in the prior art generally adopts a special chip as a control core, and has the disadvantages of high price, complex operation, less peripheral resources, low circular interpolation precision and incapability of realizing continuous interpolation.

Disclosure of Invention

An object of the utility model is to provide a low cost, rational in infrastructure, connect and insert convenience, programming simple, reliable operation and the four-axis motion control ware of the maintenance of being convenient for.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a four-axis motion controller with a separated structure comprises a main control panel and an interface board which are connected through a connector, wherein the main control panel comprises a power supply module for supplying power, a processor module for controlling motion, an input module which is connected with the processor module and is used for detecting signals of an external switching device, an SRAM module which is used for increasing the internal memory of an ARM processor during operation, an SWD interface module for simulation debugging, an encryption module for encrypting the ARM processor, a communication module for communicating with external equipment, an output module for controlling the operation of the external switching device, an EL signal module for detecting a boundary position, an ORG signal module for enabling a relevant shaft to return to an original point, leave the original point and find the original point, the processor module comprises an ARM processor and a DSP processor which are connected through an FSMC bus, and the communication module comprises an RS485 communication module, a CAN communication module, an RS232 communication module and an Ethernet communication module, is connected with the ARM processor.

Further, the interface board comprises an encoder input module for realizing motor closed-loop control; a SON signal module for enabling the motor; the CLR signal module is used for resetting the counter, and the INP signal module is used for judging whether a section of fixed-length motion is finished; the ERC signal module is used for outputting the deviation count to the motor driver for zero clearing; an ALM signal module for checking the alarm signal from the motor driving unit and immediately stopping or decelerating the motor of the associated shaft to a stop; and the drive output module is used for driving the motor.

Compared with the prior art, the utility model, its beneficial effect lies in: the main control panel is connected with the interface board through the socket connector, the direction of the interface board can be adjusted according to the actual project requirements, the structure is reasonable, the socket connection is convenient, the maintenance is convenient, the cost is low, and the peripheral resources are rich; the ARM processor can increase the memory of the ARM processor during operation through the SRAM module, can debug programs through the SWD interface module, can improve the design security through the encryption module, and can communicate with external equipment through the communication module; the DSP processor can control the motion of four axes, realize the linear interpolation of any 2-4 axes and the circular interpolation of any two axes, and can change the speed and the target position in real time in the motion process, so that the CPU can realize various motion control through simple commands.

Drawings

Fig. 1 is a schematic structural diagram of the main control panel of the present invention.

Fig. 2 is a schematic structural diagram of an interface board according to the present invention.

Detailed Description

The invention will be described in more detail below with reference to the drawings, which are simplified schematic drawings and only schematically illustrate the basic structure of the invention, and to specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, the utility model provides a four-axis motion controller of disconnect-type structure, including main control panel and interface board, be connected through the connector, the main control panel includes input module, SRAM module, SWD interface module, encryption module, communication module, output module, EL signal module and the ORG signal module of power module, processor module and connection processor module.

The power supply module is used for providing stable voltage; the processor module comprises an ARM processor and a DSP processor which are connected through an FSMC bus; the input module is used for detecting signals of an external switching device and is connected with the DSP processor; the SRAM module is used for increasing the internal memory when the ARM processor runs and is connected with the ARM processor; the SWD interface module is used for simulation debugging of a program and is connected with the ARM processor; the encryption module is used for encrypting the ARM processor and is connected with the ARM processor; the communication module comprises an RS485 communication module, a CAN communication module, an RS232 communication module and an Ethernet communication module and is connected with the ARM processor; the output module is used for controlling the operation of an external switching device and is connected with the DSP processor; the EL signal module is used for detecting the boundary position and is isolated from the DSP processor through a common optical coupler; and the ORG signal module is used for enabling the relevant shaft to return to the original point, leave the original point and find the original point, and is isolated from the DSP processor through a common optical coupler.

Preferably, the four-axis motion controller with the separated structure further comprises an LED lamp, wherein the LED lamp is used for indicating the working state of the ARM processor and the power supply and is connected with the power supply module.

As shown in fig. 2, the interface board includes:

the encoder input module for realizing motor closed-loop control converts differential signals into single-ended signals and then inputs the single-ended signals, and the single-ended signals are isolated from the DSP through the high-speed optical coupler, so that the signal anti-interference capability is improved.

And the SON signal module is used for enabling the motor to be in an enabled state and is isolated from the DSP processor through a common optical coupler.

And the CLR signal module for resetting the counter is isolated from the DSP processor through a common optical coupler.

And the INP signal module is used for judging whether a section of fixed-length motion is finished or not, and is isolated from the DSP processor through a common optical coupler.

And the ALM signal module is used for checking an alarm signal from the motor driving unit and immediately stopping or decelerating the motor of the relevant shaft to stop, and is isolated from the DSP processor through a common optical coupler.

And the ERC signal module is used for outputting the deviation count zero clearing signal to the motor driver and is isolated from the DSP processor through a common optical coupler.

And the drive output module for driving the motor is isolated from the DSP through a high-speed optical coupler, and converts the single-end signal into a differential signal to be output.

When the utility model is used, the motion controller and the upper computer can be connected through the communication module and run through the upper computer control system; the motion controller controls various motions of the motor through modules of the interface board; the interface board is connected with the main control panel through a connector, and the direction of the interface board can be adjusted according to actual project requirements, so that the connection and maintenance are convenient.

The above only do the embodiment of the utility model discloses a not consequently restriction the patent scope of the utility model, all utilize the utility model discloses equivalent structure or equivalent flow transform that the content of the specification was done, or direct or indirect application is in other relevant fields, all including on the same reason the utility model discloses an in the patent protection scope.

Claims (4)

1. The four-axis motion controller with the separated structure is characterized by comprising a main control panel and an interface board, wherein the main control panel is connected with the interface board through a connector, and the main control panel comprises a power supply module, a processor module, an input module connected with the processor module, an SRAM module, an SWD interface module, an encryption module, a communication module, an output module, an EL signal module and an ORG signal module.

2. The split architecture four-axis motion controller of claim 1, wherein the interface board comprises an encoder input module, a SON signal module, a CLR signal module, an INP signal module, an ERC signal module, an ALM signal module, and a drive output module.

3. The split architecture four-axis motion controller of claim 1, wherein the processor module comprises an ARM processor and a DSP processor, connected via an FSMC bus.

4. The split architecture four-axis motion controller of claim 1, wherein the communication module comprises an RS485 communication module, a CAN communication module, an RS232 communication module and an ethernet communication module, and is connected to the ARM processor.

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