CN105834829A - Special controller for direct-driven tool rest - Google Patents
Special controller for direct-driven tool rest Download PDFInfo
- Publication number
- CN105834829A CN105834829A CN201610251795.2A CN201610251795A CN105834829A CN 105834829 A CN105834829 A CN 105834829A CN 201610251795 A CN201610251795 A CN 201610251795A CN 105834829 A CN105834829 A CN 105834829A
- Authority
- CN
- China
- Prior art keywords
- motor
- control plate
- sub
- host computer
- expansion board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
- B23Q15/22—Control or regulation of position of tool or workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/007—Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
- B23Q15/12—Adaptive control, i.e. adjusting itself to have a performance which is optimum according to a preassigned criterion
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a special controller for a direct-driven tool rest. The special controller for the direct-driven tool rest comprises an auxiliary control panel and a main control panel. The auxiliary control panel is connected with an upper computer, receives a tool location instruction sent by the upper computer, and obtains a position instruction according to the tool location instruction sent by the upper computer. The main control panel is connected with the auxiliary control panel and a motor. The main control panel is used for sampling a current of the motor so as to obtain a current sample signal and receiving a signal fed back by a motor encoder. The main control panel receives the position instruction sent by the auxiliary control panel and generates a PWM driving signal for the motor according to the position signal sent by the auxiliary control panel, the signal fed back by the motor encoder and the current sample signal, thereby controlling rotation of the motor. According to the special controller for the direct-driven tool rest, the two control panels are integrated for controlling the motor, so that the efficiency of control over the direct-driven tool rest is greatly improved.
Description
Technical field
The present invention relates to one and directly drive knife rest nonshared control unit, belong to knife rest and control technical field.
Background technology
At present, servo saddle i.e. drags servomotor with servo-driver and removes band movable knife rack, compared with conventional hydraulic knife rest,
It has, and rotating speed is high, position advantage accurate, low-cost.The concept of domestic servo saddle is the most just to put forward, so
Matured product on market is the most few.The producer abroad having several Drive technologies ripe is specifically designed for servo saddle exploitation
Product, such as Italy Baruffaldi, Japan Rhizoma Sparganii etc..The product of domestic-developed application is substantially with state
Outer generic servo driver is main body, adds a PLC (Programmable Logic Controller) or single-chip microcomputer, be outside driver
A kind of control structure containing host computer, PLC and driver, PLC is obtained by I/O mouth communication with host computer
Target cutter spacing number, PLC becomes cutter spacing number conversion to the command pulse number of driver to realize servo saddle driver again
Function.
Existing servo saddle mainly divides three kinds of mode of operations:
(1) back to zero pattern, when system first powers on, it is necessary to carry out back to zero pattern operation, to find on knife rest
One station.During back to zero pattern, the base of cutterhead is installed a proximity switch, the cutterhead rotated is installed one
Individual inductive head, cutterhead rotation turn around, inductive head through proximity switch once, whenever inductive head is through proximity switch, zero
Point signal circuit conducting, driver determines the position of the first station according to this signal.
(2) automatic mode, knife rest, according to the instruction of host computer, runs to different stations, in order to carry out work pieces process.From
During dynamic model formula, driver, by the I/O signal being connected with host computer, receives target cutter spacing, calculates target cutter spacing and works as
The difference of front cutter spacing, by the product of above-mentioned difference Yu the umber of pulse of every station, calculates the overall pulse number needing to run,
And be transformed into cycles per instruction operation, then by the instruction smoothing processing of software inhouse, it is possible to the arrival target of quick and stable
Station.
(3) manual mode, pins tool changing button in a manual mode, and knife rest rotates the most always, after release button, and knife rest
Run to nearest station stop.Before manual mode mainly processing, debugging is used.During manual mode, according under host computer
The enable signal sent out runs stopping, having enable signal then internal drive automatically to send the pulse of a station, has sent
Cheng Ze judges whether also to enable signal, has the pulse then continuing to send a station, until enabling signal cancellation.
Shortcoming existing for existing servo saddle is: (1) determines the first station due to needs according to the signal of inductive head
Need to regulate zero compensation parameter, and repeatedly to regulate to compensate and put in place；If inductive head occurs to loosen in using,
Then after fastening inductive head, need zeroing compensating parameter again.Therefore, existing servo saddle needs to install close to opening
Closing and inductive head, installation and debugging bother.(2) driver can not according to the change auto-adjustment control parameter of working condition,
Thus in the operation automatically of servo saddle, the parameter of driver keeps constant, when in knife rest, the flow of liquid is sent out with pressure
During raw a range of change, the bit time that runs to of cutterhead can be produced impact.
Summary of the invention
The technical problem to be solved is the defect overcoming prior art, it is provided that one directly drives the special control of knife rest
Device, motor is controlled by it by being integrated by two pieces of panels, drastically increases and directly drives the effect that knife rest controls
Rate.
In order to solve above-mentioned technical problem, the technical scheme is that one directly drives knife rest nonshared control unit, it includes:
Sub-control plate, described sub-control plate is connected with host computer, and described sub-control plate receives the cutter spacing that described host computer sends
Instruct, and the cutter location sent according to described host computer obtains position command；
Master board, described master board is connected with described sub-control plate, and described master board is connected with motor, described
Master board obtains current sampling signal for the electric current of motor carries out sampling and receives what motor encoder was fed back
Signal, described master board receives the position command that described sub-control plate sends, and the position sent according to described sub-control plate
Put instruction, signal that motor encoder is fed back and current sampling signal produce PWM ripple drive signal to motor, from
And control the rotation of motor.
Further for being passed to Ethernet platform, in real time and controller exchanges Motor control parameters, allows this controller can
According to working condition change auto-adjustment control parameter so that controller is automatization provides convenient, described secondary control
Making sheet is connected with monitoring host computer also by Ethernet, and described master board is additionally operable to adopt the motor operating parameter of motor
Collection, and passes to sub-control plate by the motor operating parameter of collection, described sub-control plate again by motor operating parameter by with
Too net is sent to monitoring host computer, and monitoring host computer produces Motor control parameters according to the motor operating parameter received, and monitoring is main
Motor control parameters is back to master board by sub-control plate by machine again, and master board adjusts control according to Motor control parameters
The running status of motor processed.
Further provide the connected mode of a kind of sub-control plate and Ethernet, directly drive knife rest nonshared control unit and also include extension
Plate, described sub-control plate is connected with expansion board, and expansion board is connected with Ethernet again.
Further, described expansion board being provided with ethernet interface module, described sub-control plate passes through ethernet interface module
It is connected with expansion board.
Further provide the connected mode of a kind of sub-control plate and host computer, directly drive knife rest nonshared control unit and also include extension
Plate, described sub-control plate is connected with expansion board, and expansion board is connected with host computer again.
Being provided with usb interface module and RS485 interface module in described expansion board, described sub-control plate is connect by USB
Mouth die block or RS485 interface module are connected with expansion board.
After have employed technique scheme, the present invention has a following beneficial effect:
1, the knife rest nonshared control unit that directly drives of the present invention is the controller designed exclusively for driving servo saddle, and it can
Tool changing according to host computer requires to drive the motor of knife rest, with reach to control servo saddle carry out manual tool changing, automatic tool changer,
The actions such as knife rest back to zero, and owing to using absolute position signal to determine, the first station is from without regulation zero-bit position
Put, it is possible to carry out the operations such as current cutter spacing code feedback, drastically increase the efficiency that numerically-controlled machine tool rest controls, this
The bright pattern making servo saddle use host computer to combine with controller is possibly realized, and eliminates compared to existing servo saddle
PLC or the part of single-chip microcomputer, cost-effective and improve reliability.
2, the present invention is by Ethernet platform in real time and controller exchange Motor control parameters, allows this controller can basis
Working condition change auto-adjustment control parameter so that controller is automatization provides convenient.
Accompanying drawing explanation
Fig. 1 is the control principle drawing directly driving knife rest nonshared control unit of the present invention.
Detailed description of the invention
It is clearly understood to make present disclosure be easier to, below according to specific embodiment and combine accompanying drawing, to this
Invention is described in further detail.
As it is shown in figure 1, one directly drives knife rest nonshared control unit, it includes:
Sub-control plate, described sub-control plate is connected with host computer, and described sub-control plate receives the cutter spacing that described host computer sends
Instruct, and the cutter location sent according to described host computer obtains position command；
Master board, described master board is connected with described sub-control plate, and described master board is connected with motor, described
Master board obtains current sampling signal for the electric current of motor carries out sampling and receives what motor encoder was fed back
Signal, described master board receives the position command that described sub-control plate sends, and the position sent according to described sub-control plate
Put instruction, signal that motor encoder is fed back and current sampling signal produce PWM ripple drive signal to motor, from
And control the rotation of motor.
Described sub-control plate is connected with monitoring host computer also by Ethernet, and described master board is additionally operable to the fortune of the motor to motor
Line parameter is acquired, and the motor operating parameter of collection passes to sub-control plate, and motor is transported by described sub-control plate again
Line parameter is sent to monitoring host computer by Ethernet, and monitoring host computer produces motor according to the motor operating parameter received and controls
Parameter, Motor control parameters is back to master board by sub-control plate by monitoring host computer again, and master board is according to motor control
Parameter adjustment processed controls the running status of motor.
As it is shown in figure 1, directly drive knife rest nonshared control unit also include that expansion board, described sub-control plate are connected with expansion board, expand
Panel is connected with Ethernet again.
As it is shown in figure 1, be provided with ethernet interface module in described expansion board, described sub-control plate passes through Ethernet interface
Module is connected with expansion board.
As it is shown in figure 1, directly drive knife rest nonshared control unit also include that expansion board, described sub-control plate are connected with expansion board, expand
Panel is connected with host computer again.
As it is shown in figure 1, be provided with usb interface module and RS485 interface module, described sub-control in described expansion board
Plate is connected with expansion board by usb interface module or RS485 interface module.
The present invention has the advantage that
1, the knife rest nonshared control unit that directly drives of the present invention is the controller designed exclusively for driving servo saddle, and it can
Tool changing according to host computer requires to drive the motor of knife rest, with reach to control servo saddle carry out manual tool changing, automatic tool changer,
The actions such as knife rest back to zero, and owing to using absolute position signal to determine, the first station is from without regulation zero-bit position
Put, it is possible to carry out the operations such as current cutter spacing code feedback, drastically increase the efficiency that numerically-controlled machine tool rest controls, this
The bright pattern making servo saddle use host computer to combine with controller is possibly realized, and eliminates compared to existing servo saddle
PLC or the part of single-chip microcomputer, cost-effective and improve reliability；
2, the present invention is by Ethernet platform in real time and controller exchange Motor control parameters, allows this controller can basis
Working condition change auto-adjustment control parameter so that controller is automatization provides convenient.
Particular embodiments described above, to present invention solves the technical problem that, technical scheme and beneficial effect entered
One step describes in detail, be it should be understood that the specific embodiment that the foregoing is only the present invention, is not limited to
The present invention, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, all should wrap
Within being contained in protection scope of the present invention.
Claims (6)
1. one kind is directly driven knife rest nonshared control unit, it is characterised in that it includes:
Sub-control plate, described sub-control plate is connected with host computer, and described sub-control plate receives the cutter spacing that described host computer sends
Instruct, and the cutter location sent according to described host computer obtains position command；
Master board, described master board is connected with described sub-control plate, and described master board is connected with motor, described
Master board obtains current sampling signal for the electric current of motor carries out sampling and receives what motor encoder was fed back
Signal, described master board receives the position command that described sub-control plate sends, and the position sent according to described sub-control plate
Put instruction, signal that motor encoder is fed back and current sampling signal produce PWM ripple drive signal to motor, from
And control the rotation of motor.
The most according to claim 1 directly drive knife rest nonshared control unit, it is characterised in that: described sub-control plate is the most logical
Crossing Ethernet to be connected with monitoring host computer, described master board is additionally operable to be acquired motor operating parameter, and by collection
Motor operating parameter passes to sub-control plate, and motor operating parameter is sent to monitoring by Ethernet by described sub-control plate again
Main frame, monitoring host computer produces Motor control parameters according to the motor operating parameter received, and monitoring host computer is again by motor control
Parameter is back to master board by sub-control plate, and master board adjusts the operation shape controlling motor according to Motor control parameters
State.
The most according to claim 2 directly drive knife rest nonshared control unit, it is characterised in that: also include expansion board, institute
Stating sub-control plate to be connected with expansion board, expansion board is connected with Ethernet again.
The most according to claim 3 directly drive knife rest nonshared control unit, it is characterised in that: arrange in described expansion board
Having ethernet interface module, described sub-control plate is connected with expansion board by ethernet interface module.
The most according to claim 1 directly drive knife rest nonshared control unit, it is characterised in that: also include expansion board, institute
Stating sub-control plate to be connected with expansion board, expansion board is connected with host computer again.
The most according to claim 5 directly drive knife rest nonshared control unit, it is characterised in that: arrange in described expansion board
Having usb interface module and RS485 interface module, described sub-control plate passes through usb interface module or RS485 interface
Module is connected with expansion board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610251795.2A CN105834829A (en) | 2016-04-21 | 2016-04-21 | Special controller for direct-driven tool rest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610251795.2A CN105834829A (en) | 2016-04-21 | 2016-04-21 | Special controller for direct-driven tool rest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105834829A true CN105834829A (en) | 2016-08-10 |
Family
ID=56588808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610251795.2A Pending CN105834829A (en) | 2016-04-21 | 2016-04-21 | Special controller for direct-driven tool rest |
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| Country | Link |
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| CN (1) | CN105834829A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114895631A (en) * | 2022-05-10 | 2022-08-12 | 深圳市大族机器人有限公司 | Servo driver, servo system and robot |
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| US7194321B2 (en) * | 2004-10-29 | 2007-03-20 | Dynacity Technology (Hk) Limited | Modular multi-axis motion control and driving system and method thereof |
| CN101034288A (en) * | 2007-04-02 | 2007-09-12 | 沈阳机床股份有限公司精诚数控机床附件厂 | Servo saddle controller |
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2016
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| CN102354163A (en) * | 2011-09-05 | 2012-02-15 | 广州数控设备有限公司 | Servo tool frame controller and method for capturing rotating reference point |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114895631A (en) * | 2022-05-10 | 2022-08-12 | 深圳市大族机器人有限公司 | Servo driver, servo system and robot |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160810 |