CN202102289U

CN202102289U - Band sawing machine controller

Info

Publication number: CN202102289U
Application number: CN2011201579884U
Authority: CN
Inventors: 舒柏和; 詹志明; 朱凡能
Original assignee: JINHUA HANDSOME M&E CONTROL ENGINEERING Co Ltd
Current assignee: JINHUA HANDSOME M&E CONTROL ENGINEERING Co Ltd
Priority date: 2011-05-17
Filing date: 2011-05-17
Publication date: 2012-01-04
Anticipated expiration: 2021-05-17

Abstract

Provided is a band sawing machine controller, belonging to the mechanical engineering field, particularly to the machine tool automatic control field. The band sawing machine controller is used for realizing automatic control of a band sawing machine, namely, automatic cycle sawing band speed control, automatic sawing band tensioning control, automatic clamping material control, automatic feeding control, and automatic fixed length control. When the sawing technological parameters are set, the workpiece is automatically conveyed forward via a feeding apparatus, automatically clamped tightly via a material-clamping apparatus and automatically sawed into the required length. The band sawing machine controller, including a machine box, is composed of a DSP 1 (digital signal processor), an input device 3, an output device 4, a man-machine interaction unit (5), a main shaft control unit 6, a first positioning control unit 7, a second positioning control unit 8, a speed control unit 9, a position detecting device 10, and other parts.

Description

The band sawing machine controller

Technical field: the band sawing machine controller, be used for the automatic control of band sawing machine, belong to mechanical engineering field, particularly belong to the lathe automation field.

Background technology: the control of band sawing machine; Traditional method be adopt to disperse, interrupted control technology; Control the exercises of lathe, this control technology complex circuit, complex operation, many, the poor reliability of fault with travel switch, electromagnet, contactor, relay; Hardware cost is high, and maintenance workload is big.Employing digitizing automatic control mode can solve above drawback such as patent 201020176278.1 " band saw for metal bed controller " utilizes the characteristic of PLC to simplify complicated control circuit, but the program of PLC is integrated, and flexibility of programming is restricted.

Summary of the invention:

Adopt the DPS technology that the whole service process of band sawing machine is carried out system's control, replace the complicated hardware circuit, compare with single-chip microcomputer, PLC with software program; Reliability with lower hardware cost and Geng Gao; The ability of anti-electromagnetic interference (EMI) also improves a lot, and has strengthened the software programming dirigibility simultaneously, and various series of products can adopt general hardware and software platform; Both reduced hardware cost, more convenient again maintenance.

The utility model provides a kind of can realize the band sawing machine Automatic Control, comprises the band sawing machine controller of Automatic Cycle saw band speed control, saw band tensioning control automatically, automatic material clamping control, self-feeding control, automatic cut-to-length control.Behind the sawing processing parameter setting, workpiece is fed forward by pay-off automatically, in clamping device, clamps automatically, is become Len req by automatic sawing, cutting then.

The band sawing machine controller; Comprise the machine box, mainly form by DSP digital signal processor 1, input equipment 3, output device 4, man-machine interaction unit 5, main shaft control module 6, first Positioning Control Unit 7, second Positioning Control Unit 8, speed control unit 9 and position detecting device 10.

The DSP control system adopts the TMS320f2812 chip of TIX as the control system core; Control program 2 sends the DSP control system to through input block 3; Detect data and be transferred to the DSP control system by each control module; Calculate and data processing according to the instruction of control program 2 and the numerical information of other inputs; The numerical information after the computing with etc. pending numerical information be transferred to each control module respectively, control is implemented in the action of carrying out components and parts, send to output unit 4 and man-machine interaction unit 5 to data simultaneously.

Main shaft control module 6 links to each other with spindle motor, is used for controlling the commentaries on classics of spindle motor/stop, and detects and the speed of control spindle motor; First Positioning Control Unit 7 is connected with the feeding motor, is used for detecting and controlling the commentaries on classics of feeding motor/stop, and controls the amplitude of advancing of each feeding and the position of arrival; Second Positioning Control Unit 8 is connected with electric rotating machine, is used for controlling the commentaries on classics of electric rotating machine/stop and the be cut anglec of rotation of material; Speed control unit 9 with feed motor and be connected, detect and control feeds the commentaries on classics of motor/stop and speed, be used for controlling automatically cutting output, realize permanent stock removal rate feeding control, can make blade life improve 1-2 doubly.

DSP digital signal processor 1 and keyboard operation interface 11, LCD interface 12, SRAM memory circuit 13, FLASH memory circuit 14, EEPROM memory circuit 15, IO expanded circuit 16, logic input/output interface circuit 17, A/D convertor circuit 18, analog input interface circuit 19, DA change-over circuit 20, simulation output interface circuit 21,232 interface circuits 22,485 interface circuits 23, CAN interface circuit 24, Ethernet control and interface circuit 25 are connected, and constitute control circuit.

SRAM memory circuit 13, FLASH memory circuit 14 and EEPROM memory circuit 15 are mainly used in the storage of program and data.IO expanded circuit 16 mainly is the expansion of the peripheral input and output point of band sawing machine, comprise that manual, broken belt detects, do not have that material detections, the guide arm upper limit, main electrical fault, hydraulic electric motor fault, cooling pump fault, debris removal electrical fault, feeding left limit, feeding right limit, turning axle are spacing, the clamping of work vice and feeding vice with loosen, balancing cylinder output is controlled etc.The detection of A/D convertor circuit 18 main responsible main shaft belt speed and the demonstration of liquid crystal display.DA change-over circuit 20 major control spindle inverters output is carried out analog quantity output according to the frequency values of the cutting speed calculation of parameter in system's formulation data by the DA change-over circuit.Control the feed rate of feeding motor in addition, carry out the speed of feed of DA conversion and control feeding motor according to the stock removal rate data in the formulation data.The feeding motor shaft has disposed position-detection sensor (scrambler), and position signalling is fed back to control system through the IO mouth.232 circuit 22 are communication interfaces, can be connected with host computer.485 interface circuits 23 mainly carry out the read-write of the key parameter of frequency converter, stepper motor, servomotor etc., like the electric current of main shaft operation, voltage, speed etc., the setting of functional parameter etc.CAN interface 24 is that Ethernet interface reserves usefulness, can adapt to the needs of fieldbus networks control from now on and expands.

Description of drawings: Fig. 1 is the structured flowchart of band sawing machine controller, and Fig. 2 is a band sawing machine control circuit configuration block diagram,

Among the figure, 1 for the DSP digital signal processor, 2 for control program, 3 for input equipment, 4 for output device, 5 for man-machine interaction unit, 6 for main shaft control module, 7 be first Positioning Control Unit, 8 be second Positioning Control Unit, 9 for speed control unit, 10 for position detecting device, 11 for the keyboard operation interface, 12 for LCD interface, 13 for the SRAM memory circuit, 14 for the FLASH memory circuit, 15 for the EEPROM memory circuit, 16 for the IO expanded circuit, 17 for the logic input/output interface circuit, 18 for A/D convertor circuit, 19 for the analog input interface circuit, 20 for the DA change-over circuit, 21 for simulation output interface circuit, 22 be that 232 interface circuits, 23 are that 485 interface circuits, 24 are controlled and interface circuit for Ethernet for CAN interface circuit, 25.

Embodiment: the band sawing machine controller adopts the DSP digital signal processor as the center digital processing unit, and the TMS320f2812 chip of selecting TIX for use is as the control system core.Peripheral configuration input equipment, output device, system is provided with man-machine interaction unit, main shaft control module, two Positioning Control Unit, speed control unit and position detecting devices etc.Control circuit is constituted by keyboard operation interface, LCD interface, SRAM memory circuit, FLASH memory circuit, EEPROM memory circuit, IO expanded circuit, logic input/output interface circuit, A/D convertor circuit, analog input interface circuit, DA change-over circuit, simulation output interface circuit, 232 interface circuits, 485 interface circuits, CAN interface circuit, Ethernet control and interface circuit 25.Through 19 bit address buses and 16 bit data bus expansion IO port, and the assurance security of system is isolated in input and output.

Claims

1. band sawing machine controller; Comprise the machine box, it is characterized in that: the band sawing machine controller is made up of DSP digital signal processor (1), input equipment (3), output device (4), man-machine interaction unit (5), main shaft control module (6), first Positioning Control Unit (7), second Positioning Control Unit (8), speed control unit (9) and position detecting device (10).

2. by the described band sawing machine controller of claim 1; It is characterized in that: DSP digital signal processor (1) is connected with keyboard operation interface (11), LCD interface (12), SRAM memory circuit (13), FLASH memory circuit (14), EEPROM memory circuit (15), IO expanded circuit (16), logic input/output interface circuit (17), A/D convertor circuit (18), analog input interface circuit (19), DA change-over circuit (20), simulation output interface circuit (21), 232 interface circuits (22), 485 interface circuits (23), CAN interface circuit (24), Ethernet control and interface circuit (25), constitutes control circuit.

3. by the described band sawing machine controller of claim 1; It is characterized in that: main shaft control module (6) links to each other with spindle motor; First Positioning Control Unit (7) is connected with the feeding motor, and second Positioning Control Unit (8) is connected with electric rotating machine, speed control unit (9) with feed motor and be connected.