A kind of tapping control device for direct-current brushless motor
Technical field
The utility model relates to Machining Technology field, particularly a kind of tapping control device for direct-current brushless motor.
Background technology
Screw tap machining internal thread is used in tapping exactly, and it is the most widely used a kind of internal thread machining mode of machinery industry.What require along with Automation in Mechanical Working and product technology improves constantly, traditional manual tapping substantially replace by electric threading, the performance of electric threading to drive motors proposes high request, simultaneously for ensureing Tapping Quality, reduce production cost, increase work efficiency, also require tapping control apparatus automation.
Current tapping general lathe or drilling machine processing, because lathe or drilling machine can only provide torque, feeding in screwing operation, rollback speed and the degree of depth etc. all need by Artificial Control, for this reason, product processing quality is easily affected by human factors, and the fault such as easily cause that screw tap fractures.Therefore tapping control apparatus realizes high accuracy, NC postprocessing, automation, and replacing Traditional Man control mode, is the problem needing solution badly.
Summary of the invention
The utility model is the above-mentioned deficiency in order to solve existing for prior art, provides a kind of tapping control device for direct-current brushless motor, makes threading apparatus NC postprocessing, automation.
The utility model realizes by the following technical solutions for solving the problems of the technologies described above:
A kind of tapping control device for direct-current brushless motor, comprise the DC brushless motor that position transducer is housed, control mainboard, display operation panel, and connect the A transmission cable of DC brushless motor and control mainboard, the B transmission cable of connection control mainboard and display operation panel.
On described control mainboard, power supply processing module connects power supply needed for supply single-chip microcomputer and driver module, is connected power supply needed for the micro-chip processor on the described display operation panel of supply by B transmission cable simultaneously; On described display operation panel, micro-chip processor connection control arranges button, accepts to control and signalization, connects light, every element, control and signalization is sent to single-chip microcomputer by B transmission cable; Described single-chip microcomputer connects DC brushless motor upper position sensor, accepts position signalling, connecting driver module, exporting three strands of phase currents by completing three phase current signals after electronic commutation through driver module process, by A transmission cable for DC brushless motor; On described display operation panel, micro-chip processor connects LCD display, display and control and configuration information and the relevant information sent from single-chip microcomputer.
STC12C5204AD chip selected by described single-chip microcomputer; Described micro-chip processor also selects STC12C5204AD chip; Described driver module selects IPM PS2205x integrated package.
A kind of tapping control device for direct-current brushless motor operation principle is:
By the power supply processing module controlled on mainboard, electric main is transformed into direct current, adding to DC brushless motor by driver module makes it start, the position transducer of DC brushless motor inner rotator produces commutation signal and reaches single-chip microcomputer, complete electronic commutation through single-chip microcomputer process, export three strands of phase currents by driver module and drive DC brushless motor.Display operation panel in control arrange button send operation and instruction is set, after micro-chip processor process, by light every element transmission to single-chip microcomputer.Micro-chip processor is by information transmission to LCD display simultaneously, shows in real time operation control and configuration information.Light is the direct connection making not have between control mainboard and display operation panel two parts circuit electricity every the effect of element.Single-chip microcomputer accepts operation control and signalization from showing operation panel, and row relax of going forward side by side controls three strands of phase currents that driver module exports, and DC brushless motor is operated by operating and arranging instruction.
Described display operation panel controls, and button is set and has 11 keys, be respectively: " clockwise/counterclockwise " key, " automatic/hand " key, " speed reducing ratio " key, " interlock " key, " screwing speed " key, " rate of withdraw " key, " tapping depth " key, " screw tap pitch " key, " torque setting " key, " data setting " key, " setting/acknowledgement key " key.
Each keypress function is described below:
" clockwise/counterclockwise " key: tapping is retreated and is selected.
" automatic/hand " key: automatic or manual mode of operation is selected.
" speed reducing ratio " key: system slowdown, than arranging, with accurate controlling depth, accurately controls rotating speed and tapping rotation number.
" interlock " key: tapping advance revolution and rollback revolution are arranged, and after entering one section, rollback a bit, guarantees that tapping moves forward steadily.Press the corresponding menu item of this key, have and rotate forward number and rollback revolution setting option.
" screwing speed " key: tempo of attack is arranged.
" rate of withdraw " key: rate of withdraw is arranged.
" tapping depth " key: tapping depth is arranged.
" screw tap pitch " key: screw tap pitch is arranged.
" torque setting " key: screw tap moment is arranged.
" data setting " key: system environments is arranged.
" arrange/confirm " key: enter the state of setting, after row to be arranged all is provided with, then press this key to preserve setting.
Arrange button by described control, carry out reasonable coordination setting to tapping parameter, simulation technician hand tapping action, realizes best Tapping Technology scheme.
Described LCD display not only display and control arranges relevant information, and when tapping is with control device for direct-current brushless motor operation irregularity, can point out fault self-diagnosis information.
Fault self-diagnosis prompting and implication as follows:
" motor rotation blockage " points out: represent that machinery is stuck.
" motor Hall element fault " point out: represent motor position sensor damage or wire contacts bad.
" IPM warning " points out: represent motor or drive corruption.
" overcurrent warning " points out: represent motor or drive corruption.
" line under-voltage " points out: represent that supply voltage is too low.
The beneficial effect that the utility model has is: extend and expand control device for direct-current brushless motor function, make threading apparatus just can realize automation and NC postprocessing on necessary electromotor control device, by control device controlling and arranging button, reasonable coordination setting is carried out to tapping parameter, simulation technician hand tapping action, realize best Tapping Technology scheme, improve machine work efficiency, ensure mechanical product quality.LCD display can point out fault self-diagnosis information simultaneously, helps operating personnel's handling failure targetedly, improves equipment operating efficiency.
Accompanying drawing explanation
Fig. 1 is the utility model: a kind of tapping control device for direct-current brushless motor theory diagram
Fig. 2 is the utility model: a kind of tapping control device for direct-current brushless motor structural representation
Description of symbols in figure: 1, DC brushless motor; 2, A transmission cable; 3, mainboard is controlled; 4, B transmission cable; 5, operation panel is shown; 11, position transducer; 31, driver module; 32, power supply processing module; 33, single-chip microcomputer; 34, light is every element; 51, LCD display; 52, micro-chip processor; 53, control to arrange button; 5301, " clockwise/counterclockwise " key; 5302, " automatic/hand " key; 5303, " speed reducing ratio " key; 5304, " interlock " key; 5305, " screwing speed " key; 5306, " rate of withdraw " key; 5307, " tapping depth " key; 5308, " screw tap pitch " key; 5309, " torque setting " key; 5310, " data setting " key; 5311, " setting/acknowledgement key " key.
Embodiment
The technological means realized to make the utility model, character of innovation, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
With reference to shown in Fig. 2, a kind of tapping control device for direct-current brushless motor, comprise the DC brushless motor 1 that position transducer 11 is housed, control mainboard 3, display operation panel 5, and connect the A transmission cable 2 of DC brushless motor 1 and control mainboard 3, the B transmission cable 4 of connection control mainboard 3 and display operation panel 5.
On described control mainboard 3, power supply processing module 32 connects power supply needed for supply single-chip microcomputer 33 and driver module 31, is connected power supply needed for the micro-chip processor 52 on supply display operation panel 5 by B transmission cable 4 simultaneously; On described display operation panel 5, micro-chip processor 52 connection control arranges button 53, accepts to control and signalization, connects light, every element 34, control and signalization is sent to single-chip microcomputer 33 by B transmission cable 4; Described single-chip microcomputer 33 connects DC brushless motor 1 upper position sensor 11, accept position signalling, connecting driver module 31, processing output three strands of phase currents by completing three phase current signals after electronic commutation through driver module 31, by A transmission cable 2 for DC brushless motor 1; On described display operation panel 5, micro-chip processor 52 connects LCD display 51, display and control and configuration information and the relevant information sent from single-chip microcomputer 33.
STC12C5204AD chip selected by described single-chip microcomputer 33; Described micro-chip processor 52 also selects STC12C5204AD chip; Described driver module 31 selects IPM PS2205x integrated package.
Shown in composition graphs 1, a kind of tapping control device for direct-current brushless motor operation principle is:
By the power supply processing module 32 controlled on mainboard 3, electric main is transformed into direct current, adding to DC brushless motor 1 by driver module 31 makes it start, the position transducer 11 of DC brushless motor 1 inner rotator produces commutation signal and reaches single-chip microcomputer 33, process electronic commutation through single-chip microcomputer 33, exported three strands of phase currents by driver module 31 and drive DC brushless motor 1.Control to arrange button 53 in display operation panel 5 send operation and arrange instruction, after micro-chip processor 52 processes, be transferred to single-chip microcomputer 33 by light every element 34.Micro-chip processor 52 is by information transmission to LCD display 51 simultaneously, shows in real time operation control and configuration information.Light is the direct connections making not have between control mainboard 3 and display operation panel 5 two parts circuit electricity every the effect of element 34.Single-chip microcomputer 33 accepts operation control and signalization from showing operation panel 5, and row relax of going forward side by side controls three strands of phase currents that driver module 31 exports, and DC brushless motor 1 is operated by operating and arranging instruction.
Described display operation panel 5 controls, and button 53 is set and has 11 keys, be respectively: " clockwise/counterclockwise " key 5301, " automatic/hand " key 5302, " speed reducing ratio " key 5303, " interlock " key 5304, " screwing speed " key 5305, " rate of withdraw " key 5306, " tapping depth " key 5307, " screw tap pitch " key 5308, " torque setting " key 5309, " data setting " key 5310, " setting/acknowledgement key " key 5311.
Arranging 11 keys in button 53 by operating described control, carrying out reasonable coordination setting to tapping parameter, simulation technician hand tapping action, realizes best Tapping Technology scheme.
Described LCD display 51 not only display and control arranges relevant information, and when tapping is with control device for direct-current brushless motor operation irregularity, can point out fault self-diagnosis information, helps operating personnel's handling failure targetedly.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.