CN207764593U - Electro-hydraulic bender digital control system - Google Patents
Electro-hydraulic bender digital control system Download PDFInfo
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- CN207764593U CN207764593U CN201721536001.3U CN201721536001U CN207764593U CN 207764593 U CN207764593 U CN 207764593U CN 201721536001 U CN201721536001 U CN 201721536001U CN 207764593 U CN207764593 U CN 207764593U
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Abstract
The utility model is related to a kind of electro-hydraulic bender digital control systems, including：Host computer, the master controller being connected with the host computer；Wherein main controller is suitable for servo-driver corresponding with each auxiliary spindle motor and is communicated；The electro-hydraulic bender digital control system of the utility model, main controller servo-driver corresponding with each auxiliary spindle motor is set to carry out Communication Control by three kinds of RS485, CAN bus and Ethernet interface modes, this electro-hydraulic bender digital control system is abundant with communication modes, good compatibility, and the advantage that communication speed is fast.
Description
Technical field
The utility model is related to a kind of electro-hydraulic bender digital control systems.
Background technology
Bender is a kind of machine that bending can be carried out to thin plate, and system design is complex, is designed into more servo electricity
Machine carries out coordinated signals.
Therefore, it in order to meet multi-servomotor coordinated signals needs, needs to design a kind of more general communication interface.
Utility model content
The purpose of this utility model is to provide a kind of electro-hydraulic bender digital control system, keeps main controller corresponding with each auxiliary spindle motor
Servo-driver carry out Communication Control.
In order to solve the above-mentioned technical problem, the utility model provides a kind of electro-hydraulic bender digital control system, including：
Host computer, the master controller being connected with the host computer；Wherein
Main controller is suitable for servo-driver corresponding with each auxiliary spindle motor and is communicated.
Further, the main controller is suitable for through RS485 bus communication modes based on Modbus agreements and each auxiliary axis electricity
The corresponding servo-driver of machine is connected.
Further, the main controller includes RS485 bus interface circuits；
The RS485 bus interface circuits include：485 communication chips, the input, output end of 485 communication chip
I/O port corresponding to the processor module in main controller is connected respectively；
Another I/O port of the Enable Pin connection processing device module of 485 communication chip；And
The input/output bus interface of 485 communication chips is provided with terminal resistance.
Further, the main controller be suitable for by CAN bus communication modes based on CANOPEN agreements or EtherCAT with
The corresponding servo-driver of each auxiliary spindle motor is connected.
Further, the main controller includes CAN interface circuit；
The CAN interface circuit includes：CAN communication chip, the input, output end point of the CAN communication chip
I/O port not corresponding to the processor module in main controller is connected；And
The input/output bus interface of CAN communication chip is provided with terminal resistance.
Further, the main controller is suitable for connected by Ethernet interface servo-driver corresponding with each auxiliary spindle motor.
Further, the host computer is suitable for being communicated with master controller by another Ethernet interface.
Further, the auxiliary spindle motor includes：For driving X-axis servo-driver that stop gauge moves forward and backward, being used for
Drive the R axis servo-drivers of stop gauge upper table movement, and the Z axis servo-driver for driving dragging mechanism；
And each servo-driver includes：RS485 communication interfaces, CAN communication interface and ethernet communication interface.
Further, the main controller is further adapted for controlling spindle motor rotation；Wherein
The main controller further includes：
The grating scale being connected with processor module, the processor module control spindle motor by D/A converting circuit and turn
It is dynamic；
The D/A converting circuit includes：D/A module, the first, second operational amplifier；
The in-phase end of first operational amplifier is connected by second resistance with the output end of D/A module, and the in-phase end is also
It is grounded by 3rd resistor, reverse side is connected by first resistor with the reference voltage end of D/A module, the both ends of the 4th resistance
It is connected respectively with the reverse side of the first operational amplifier and output end；
The in-phase end of the second operational amplifier is connected by the 5th resistance with the output end of the first operational amplifier, the
The reverse side of two operational amplifiers is connected with one end of the 6th resistance, the 7th resistance respectively, and the other end of the 7th resistance is logical
It crosses the 8th resistance to be respectively connected with one end of the output end of second operational amplifier and the 9th resistance, the other end of the 9th resistance
As positive output end；The other end of 6th resistance is connected to the ground and as negative output terminal.
The utility model has the beneficial effects that the electro-hydraulic bender digital control system of the utility model, total by RS485, CAN
Three kinds of modes of line and Ethernet interface make main controller servo-driver corresponding with each auxiliary spindle motor carry out Communication Control, this is electro-hydraulic
Bender digital control system is abundant with communication modes, good compatibility, and the advantage that communication speed is fast.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the functional block diagram of the electro-hydraulic bender digital control system of the utility model；
Fig. 2 is the circuit diagram of the first communication modes of the utility model；
Fig. 3 is the circuit diagram of second of communication modes of the utility model；
Fig. 4 be the utility model main controller in D/A converting circuit circuit diagram.
Specific implementation mode
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
As shown in Figure 1, the present embodiment 1 provides a kind of electro-hydraulic bender digital control system, including：
Host computer, the master controller being connected with the host computer；Wherein
Main controller is suitable for servo-driver corresponding with each auxiliary spindle motor and is communicated；As shown in Figure 1, main controller includes auxiliary
Axis communication interface.
As the first of main controller and servo-driver communication modes.
The main controller is suitable for corresponding with each auxiliary spindle motor by the RS485 bus communication modes based on Modbus agreements
Servo-driver is connected.
As shown in Fig. 2, specifically, the main controller includes RS485 bus interface circuits；The RS485 bus interface electricity
Road includes：485 communication chips, the input, output end of 485 communication chip respectively with the processor module in main controller
Corresponding I/O port is connected；Another I/O port of the Enable Pin connection processing device module of 485 communication chip；And it is logical 485
The input/output bus interface of news chip is provided with terminal resistance.
485 communication chip can be, but not limited to use SN75176 communication chips.
Second of communication modes as main controller and servo-driver.
The main controller is suitable for through CAN bus communication modes based on CANOPEN agreements or EtherCAT and each auxiliary axis
The corresponding servo-driver of motor is connected.
As shown in figure 3, specifically, the main controller includes CAN interface circuit；The CAN interface circuit packet
It includes：The input, output end of CAN communication chip, the CAN communication chip is corresponding to the processor module in main controller respectively
I/O port is connected；And the input/output bus interface of CAN communication chip is provided with terminal resistance.
The CAN communication chip can be, but not limited to use TJA1050 communication chips.
As the third of main controller and servo-driver communication modes.
The main controller is suitable for connected by Ethernet interface servo-driver corresponding with each auxiliary spindle motor.
Wherein, the interface hardware circuitry that RTL8019AS is core may be used in Ethernet interface.
Above-mentioned three kinds of communication modes can select one or use simultaneously.
Further, the host computer can be logical by RS485 communication modes or other high-speed buses in the present embodiment
News mode, another Ethernet interface are communicated with master controller.
In the present embodiment, the auxiliary spindle motor includes：X-axis servo-drive for driving stop gauge to move forward and backward
Device, the R axis servo-drivers for driving stop gauge upper table to move, and the Z axis servo-drive for driving dragging mechanism
Device；And each servo-driver includes：RS485 communication interfaces, CAN communication interface and ethernet communication interface.
Further, the main controller is further adapted for controlling spindle motor rotation, specifically passes through main shaft drives circuit control master
Spindle motor (i.e. y-axis motor) rotates；Wherein
As shown in figure 4, the main shaft drives circuit in the main controller includes：What is be connected with processor module is used to detect master
The grating scale of spindle motor rotational angle, the processor module control spindle motor by D/A converting circuit and rotate；The number
Analog conversion circuit includes：D/A module, the first, second operational amplifier；The in-phase end of the first operational amplifier U2A passes through
Two resistance R2 are connected with the output end of D/A module, which is also grounded by 3rd resistor R3, and reverse side passes through the first electricity
Resistance R1 is connected with the reference voltage end of D/A module, the both ends of the 4th resistance R4 reverse side with the first operational amplifier U2B respectively
It is connected with output end；The in-phase end of the second operational amplifier U2B passes through the 5th resistance R5's and the first operational amplifier U2A
Output end is connected, and the reverse side of second operational amplifier U2B is connected with one end of the 6th resistance R6, the 7th resistance R7 respectively, institute
State the other end of the 7th resistance R7 by the 8th resistance R8 respectively with the output end of second operational amplifier U2B and the 9th resistance R9
One end be connected, the other end of the 9th resistance R9 is as positive output end；The other end of the 6th resistance R6 be connected to the ground and
As negative output terminal.
This main controller constitutes a closed-loop system according to by grating scale and D/A converting circuit, makes the output electricity of D/A module
Pressure meets the requirement of the control voltage of servo-driver, and has the advantages that good linearity, plays and accurately controls spindle motor turn
Dynamic angle effect.
In the present embodiment, the D/A module can be, but not limited to the TLC series D/A modules using Risym companies.Wherein,
The ends CLK (clock signal), the ends Din (serial data input) and/ends LOAD (end is latched in output) respectively with processor module phase
Even.
STM32 series monolithics may be used in above-mentioned processor module.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to which its technology is determined according to right
Property range.
Claims (5)
1. a kind of electro-hydraulic bender digital control system, which is characterized in that including：
Host computer, the master controller being connected with the host computer；Wherein
Main controller is suitable for servo-driver corresponding with each auxiliary spindle motor and is communicated；Wherein
The main controller is suitable for through RS485 bus communication modes based on Modbus agreements servo corresponding with each auxiliary spindle motor
Driver is connected；Or
The main controller includes RS485 bus interface circuits；
The RS485 bus interface circuits include：485 communication chips, the input, output end difference of 485 communication chip
I/O port corresponding to the processor module in main controller is connected；
Another I/O port of the Enable Pin connection processing device module of 485 communication chip；And
The input/output bus interface of 485 communication chips is provided with terminal resistance；Or
The main controller is suitable for through CAN bus communication modes based on CANOPEN agreements or EtherCAT and each auxiliary spindle motor
Corresponding servo-driver is connected；Or
The main controller is suitable for connected by Ethernet interface servo-driver corresponding with each auxiliary spindle motor.
2. electro-hydraulic bender digital control system according to claim 1, which is characterized in that
The main controller includes CAN interface circuit；
The CAN interface circuit includes：CAN communication chip, the input, output end of the CAN communication chip respectively with
The corresponding I/O port of processor module in main controller is connected；And
The input/output bus interface of CAN communication chip is provided with terminal resistance.
3. electro-hydraulic bender digital control system according to claim 1 or 2, which is characterized in that
The host computer is suitable for being communicated with master controller by another Ethernet interface.
4. electro-hydraulic bender digital control system according to claim 1 or 2, which is characterized in that
The auxiliary spindle motor includes：For driving X-axis servo-driver that stop gauge moves forward and backward, for driving stop gauge
The R axis servo-drivers of upper table movement, and the Z axis servo-driver for driving dragging mechanism；
And each servo-driver includes：RS485 communication interfaces, CAN communication interface and ethernet communication interface.
5. electro-hydraulic bender digital control system according to claim 4, which is characterized in that
The main controller is further adapted for controlling spindle motor rotation；Wherein
The main controller further includes：
The grating scale being connected with processor module, the processor module control spindle motor by D/A converting circuit and rotate；
The D/A converting circuit includes：D/A module, the first, second operational amplifier；
The in-phase end of first operational amplifier is connected by second resistance with the output end of D/A module, which also passes through
3rd resistor is grounded, and reverse side is connected by first resistor with the reference voltage end of D/A module, the both ends difference of the 4th resistance
It is connected with the reverse side of the first operational amplifier and output end；
The in-phase end of the second operational amplifier is connected by the 5th resistance with the output end of the first operational amplifier, the second fortune
The reverse side for calculating amplifier is connected with one end of the 6th resistance, the 7th resistance respectively, and the other end of the 7th resistance passes through the
Eight resistance are connected with one end of the output end of second operational amplifier and the 9th resistance respectively, the other end conduct of the 9th resistance
Positive output end；The other end of 6th resistance is connected to the ground and as negative output terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721536001.3U CN207764593U (en) | 2017-11-15 | 2017-11-15 | Electro-hydraulic bender digital control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721536001.3U CN207764593U (en) | 2017-11-15 | 2017-11-15 | Electro-hydraulic bender digital control system |
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| Publication Number | Publication Date |
|---|---|
| CN207764593U true CN207764593U (en) | 2018-08-24 |
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ID=63188948
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721536001.3U Active CN207764593U (en) | 2017-11-15 | 2017-11-15 | Electro-hydraulic bender digital control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826846A (en) * | 2019-02-25 | 2019-05-31 | 淮安信息职业技术学院 | A kind of electro-hydraulic servo speed-regulating system for numerical control bender |
| CN112711224A (en) * | 2021-01-29 | 2021-04-27 | 江苏金方圆数控机床有限公司 | Bending machine control system |
-
2017
- 2017-11-15 CN CN201721536001.3U patent/CN207764593U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826846A (en) * | 2019-02-25 | 2019-05-31 | 淮安信息职业技术学院 | A kind of electro-hydraulic servo speed-regulating system for numerical control bender |
| CN112711224A (en) * | 2021-01-29 | 2021-04-27 | 江苏金方圆数控机床有限公司 | Bending machine control system |
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