CN104898558A - Slotting machine control system - Google Patents
Slotting machine control system Download PDFInfo
- Publication number
- CN104898558A CN104898558A CN201510294787.1A CN201510294787A CN104898558A CN 104898558 A CN104898558 A CN 104898558A CN 201510294787 A CN201510294787 A CN 201510294787A CN 104898558 A CN104898558 A CN 104898558A
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- main shaft
- control system
- servo motor
- driver
- slotting
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Control Of Multiple Motors (AREA)
Abstract
The patent application discloses a slotting machine control system to solve the problem that a conventional slotting machine can only slot one keyway because of being equipped with the same slotting tool. The system includes a three-phase AC power supply. The three-phase AC power supply is connected to the input ends of an electric control plate, a transformer, a system power supply, an PLC control system and a main shaft frequency converter. The system power supply provides working power to a touch screen. The transformer provides working power to an A-shaft driver and an X-shaft driver. The touch screen is in bidirectional communication with the PLC control system. The PLC control system is used for controlling the main shaft frequency converter, the A-shaft driver and the X-shaft driver. The main shaft frequency converter is used for changing the rotating speed of a main shaft motor. The main shaft motor is used for driving a main shaft to move upward and downward. The X-shaft driver is used for controlling a feeding servo motor. The feeding servo motor is used for driving feeding of a slide unit, and is in bidirectional communication with the X-shaft driver. The A-shaft driver is used for controlling a main shaft rotation servo motor. The main shaft rotation motor is used for driving the main shaft to rotate. The main shaft rotation servo motor is in bidirectional communication with the A-shaft driver.
Description
Technical field
The present invention relates to machine tool technology, be specifically related to slotting machine control system.
Background technology
Broaching machine is a kind of Metal Cutting Machine Tool, and female spline, singly-bound and special-shaped key generally adopt broaching machine to process, and add man-hour, workpiece is motionless, and broaching tool moving linearly cuts.Because broaching machine uses high-speed steel broach once to complete processing, therefore higher to the accuracy requirement of broaching machine self, cause the manufacturing cost of broaching machine higher, therefore adopt broaching machine processing keyway cost higher; And process different keyways to need to adopt different broaching tools, and broaching tool is a kind of multitooth tool, the main steel broaching tool that adopts, and therefore needs to buy the broaching tool that also stock is more, causes the processing cost of keyway to increase further.
Based on more than, short run processing inner hole key slot time, usually adopt slotting machine replace broaching machine, because slotting machine processing keyway is progressively feed, therefore lower to the accuracy requirement of slotting machine self, slotting machine low cost of manufacture, during for processing inner hole key slot, the processing cost of inner hole key slot can be reduced.Slotting machine utilizes the vertical to-and-fro movement slotting keyway of slotting tool and the rectilinear motion lathe of nibs.Existing slotting machine, slotting tool generally can only pump, and slotting can only go out the keyway of fixing specification, especially when processing profiled keyway, needs repeatedly to change slotting tool and just can complete processing, inefficiency, poor practicability.
Summary of the invention
The invention provides a kind of slotting machine control system, usually only pump to solve existing slotting machine main shaft, adopt same slotting tool can only the problem of a kind of keyway of slotting.
The present invention program is as follows: slotting machine control system, three-phase alternating-current supply respectively with electric-controlled plate, transformer, system power supply, PLC control system, the input end of spindle inverters connects, system power supply provides working power to touch-screen, transformer provides working power to A axle driver and X-axis driver, touch-screen and PLC control system two-way communication, PLC control system is respectively used to control spindle inverters, A axle driver and X-axis driver, spindle inverters is for changing the rotating speed of spindle motor, spindle motor is for drive shaft, lower operation, X-axis driver is for controlling feed servo motor, feed servo motor is for driving slide unit feeding, feed servo motor and the two-way communication of X-axis scrambler, A axle driver is for controlling main shaft rotating servo motor, main shaft rotating motor is used for drive shaft and rotates, main shaft rotating servo motor and the two-way communication of A shaft encoder.
Slide unit of the present invention is the worktable driving workpiece feeding, on the fixture that wherein piece-holder is arranged on slide unit top.
The principle of the invention and beneficial effect as follows: when automatically running, PLC control system sends operation instruction to spindle inverters, and slotting main shaft starts to move up and down, and PLC control system sends operation instruction respectively to A axle driver and X-axis driver.A axle driver drives main shaft rotating servo motor rotates, and drive slotting main shaft edge is clockwise or be rotated counterclockwise certain angle, slotting keyway.A shaft position is fed back to A axle driver by A shaft encoder.X-axis driver drives feed servo motor rotates, and drives slide unit to move along guide rail.X-axis position is fed back to X-axis driver by X-axis scrambler.A axle driver and X-axis driver by signal feedback to PLC control system.Main shaft of the present invention not only can move up and down, the rotation of certain angle also can be carried out during slotting, the groove depth of keyway is controlled by the amount of feeding controlling slide unit, the keyway processing of difformity, size can be realized by the anglec of rotation controlling main shaft, therefore can be realized the shaping of different keyway by above-mentioned slotting action.
Further, in order to accurately control the upper and lower run location of main shaft, also comprise the upper and lower stop switch for perception main shaft upper and lower operational limit position, described upper and lower stop switch is electrically connected with described PLC control system.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present invention slotting machine;
Fig. 2 is the functional block diagram of the control system of slotting machine shown in Fig. 1;
Fig. 3 is the circuit diagram of the control system of slotting machine shown in Fig. 2;
The control method process flow diagram that Fig. 4 is control system shown in Fig. 2;
Fig. 5 is the keyway arrangements schematic diagram adopting the slotting machine of Fig. 2 embodiment to process.
Embodiment
Below by embodiment, the present invention is further detailed explanation:
The Reference numeral of Figure of description 1 comprises: machine tool main body 101, worktable 201, guide rail 301, slide unit 401, feed servo motor 501, slide unit rotating servo motor 601, positioning tool 701, cutter 801, slotting main shaft 901, spindle motor 1001, main shaft gearbox 1101, main shaft rotating servo motor 1201.
Slotting machine as shown in Figure 1, the side of machine tool main body is the worktable with its one, guide rail is arranged on the table, slide unit to be placed on guide rail and can along slide under the drive of feed servo motor, slide unit top arranges positioning tool for clamping band processing parts, slide unit rotating servo motor is positioned at the side direction of worktable, for driving slide unit to rotate, to carry out calibration processing to workpiece.The top that the homonymy of machine tool main body is positioned at worktable is provided with slotting main shaft, and the eccentric mounting cutter in lower end of slotting main shaft, the cutter of the present embodiment is ordinary blade, with cost-saving.
In the present embodiment, slotting main shaft both can in vertical direction to-and-fro movement, can rotate in the horizontal direction again simultaneously, realize particular by following structure: be provided with spindle motor in the inside of machine tool main body, the output shaft of spindle motor is connected with the input shaft of main shaft gearbox, the output shaft of main shaft gearbox is provided with a pinion wheel, a gear wheel (being equivalent to crank) is engaged with this pinion wheel, in the card of this gear wheel, eccentric setting has a vertical connecting rod, connecting rod is through an orienting lug, and its lower end is connected with slotting main shaft.The to-and-fro movement of slotting main shaft vertical direction can be realized by said structure.
Slotting main shaft is rotated in the horizontal direction simultaneously and is realized by following structure, main shaft rotating servo motor is also provided with in the inside of machine tool main body, the output shaft of main shaft rotating servo motor is connected with a worm screw, and this worm screw engages with a worm gear, and above-mentioned worm gear is connected with slotting main shaft key.
This enforcement, slotting Spindle rotation angle degree controls the width of Tool in Cutting keyway; Slide unit, by the feed servo Electric Machine Control amount of feeding, carrys out operating key groove depth.
In the present embodiment, slotting machine main body is respectively equipped with top dead centre switch and lower dead center switch, connecting rod is provided with inductive disks.The upper and lower stop switch of the present embodiment is travel switch.Upper and lower stop switch is electrically connected with PLC control system.
Slotting machine control system as shown in accompanying drawing 2 and accompanying drawing 3, three-phase 380V AC power is connected with the input end of electric-controlled plate 1, transformer 2, system power supply 3, PLC control system 5, spindle inverters 6 respectively.System power supply 3 exports DC24V and provides working power to touch-screen 4.Transformer 2 exports AC220V and provides working power to A axle driver 7 and X-axis driver 8.A axle driver described in the present embodiment refers to the driver that drive shaft rotating servo motor starts, and X-axis driver refers to and can drive feed servo electric motor starting, drives the driver that slide unit runs along guide rail.Touch-screen 4 and PLC control system 5 two-way communication.PLC control system 5 is respectively used to control spindle inverters 6, A axle driver 7 and X-axis driver 8.
During automatic operation, PLC control system 5 sends operation instruction to spindle inverters 6, slotting main shaft starts to move up and down, and lower dead center switch 9 receives signal feedback to PLC control system 5, and PLC control system 5 sends operation instruction respectively to A axle driver 7 and X-axis driver 8.A axle driver 7 drive shaft rotating servo motor 11 rotates, and drive slotting main shaft edge is clockwise or be rotated counterclockwise certain angle, slotting keyway.A shaft position is fed back to A axle driver 7 by A shaft encoder 13.X-axis driver 8 drives feed servo motor 12 to rotate, and drives slide unit to move along guide rail.X-axis position is fed back to X-axis driver 8 by X-axis scrambler 14.A axle driver 7 and X-axis driver 8 by signal feedback to PLC control system 5.
The control method of slotting machine control system as shown in Figure 4, comprises the following steps:
1) system starts, slide unit moves to processing stations under the drive of feed servo motor, slotting main shaft turns clockwise certain angle under the drive of main shaft rotating servo motor, and carry its tools rotates to anteposition, and the said anteposition of the present embodiment refers to that cutter is in cutting position;
2) spindle motor drives pinion wheel to rotate, and pinion wheel drives gear wheel to rotate, and because on gear wheel, bias is connected with connecting rod, form toggle, and connecting rod is led by orienting lug, therefore, under the drive of gear wheel, connecting rod will pump.In this step, slotting main shaft declines under the driving of spindle motor, and because cutter is in anteposition place, therefore cutter will cut keyway;
3) when slotting main shaft drops to lower dead center switch place, cut complete, slotting main shaft rotates to an angle counterclockwise under the drive of main shaft rotating servo motor, and carry its tools rotates and completes cutter relieving to rear position.Namely rear position in the present embodiment allows cutter position, and this position can not have an impact to face of tool when cutter withdrawing.Then, under the driving of spindle motor, slotting main shaft moves up to top dead centre switch place;
4) slide unit feeding;
5) slotting main shaft rotates to an angle counterclockwise under the drive of main shaft rotating servo motor, and carry its tools rotates to anteposition;
6) slotting main shaft declines under the driving of spindle motor, because cutter is in anteposition place, and therefore Tool in Cutting keyway;
7) cut complete after dropping to lower dead center switch place, slotting main shaft turns clockwise certain angle under the drive of main shaft rotating servo motor, carry its tools rotates and completes cutter relieving to rear position, and then under the driving of spindle motor, slotting main shaft moves up to top dead centre switch place;
8) slide unit feeding;
9) complete a do action, carry out second time and to circulate shaping, according to this back and forth.
In the present embodiment, second time action is same and identical for the first time, but the anglec of rotation of fixing a cutting tool on primary basis is successively decreased, the like complete keyway chamfer machining to n-th time; Be consistent no longer change with above-mentioned n-th running orbit for (n+1)th time to n+n time, until complete keyway processing, coordinate the rotation of slide unit can complete the processing of all keyways on part.
Be illustrated in figure 5 the keyway 1301 of method processing place by the present embodiment.
Above-described is only embodiments of the invention, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from structure of the present invention, some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.
Claims (2)
1. slotting machine control system, it is characterized in that, three-phase alternating-current supply respectively with electric-controlled plate, transformer, system power supply, PLC control system, the input end of spindle inverters connects, system power supply provides working power to touch-screen, transformer provides working power to A axle driver and X-axis driver, touch-screen and PLC control system two-way communication, PLC control system is respectively used to control spindle inverters, A axle driver and X-axis driver, spindle inverters is for changing the rotating speed of spindle motor, spindle motor is for drive shaft, lower operation, X-axis driver is for controlling feed servo motor, feed servo motor is for driving slide unit feeding, feed servo motor and the two-way communication of X-axis scrambler, A axle driver is for controlling main shaft rotating servo motor, main shaft rotating motor is used for drive shaft and rotates, main shaft rotating servo motor and the two-way communication of A shaft encoder.
2. slotting machine control system according to claim 1, is characterized in that, also comprises the upper and lower stop switch for perception main shaft upper and lower operational limit position, and described upper and lower stop switch is electrically connected with described PLC control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510294787.1A CN104898558B (en) | 2015-06-02 | 2015-06-02 | Slotting machine control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510294787.1A CN104898558B (en) | 2015-06-02 | 2015-06-02 | Slotting machine control system |
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| CN104898558A true CN104898558A (en) | 2015-09-09 |
| CN104898558B CN104898558B (en) | 2018-05-01 |
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| CN102825336A (en) * | 2012-08-23 | 2012-12-19 | 刘福林 | Universal metal band sawing machine |
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| CN103240460A (en) * | 2013-06-04 | 2013-08-14 | 江苏科技大学 | Processing device of internal keyway of tapered hole of large workpiece |
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| CN204116897U (en) * | 2014-10-20 | 2015-01-21 | 昆山瑞钧机械设备有限公司 | A kind of wire cutting machine servo drive |
| CN204695079U (en) * | 2015-06-02 | 2015-10-07 | 重庆富川古圣机电有限公司 | Slotting machine control system |
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2015
- 2015-06-02 CN CN201510294787.1A patent/CN104898558B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020129683A1 (en) * | 2000-03-13 | 2002-09-19 | Ollis Martin Peter | Machine tool system |
| CN1483550A (en) * | 2002-09-20 | 2004-03-24 | 李瑞茂 | Multi-function machine-tool |
| CN101502890A (en) * | 2009-03-09 | 2009-08-12 | 周勇 | Double-main shaft double-speed compound numerical control milling machine |
| CN201405126Y (en) * | 2009-05-31 | 2010-02-17 | 刘福林 | Universal band sawing machine |
| CN201483023U (en) * | 2009-09-03 | 2010-05-26 | 沈阳机床股份有限公司中捷钻镗床厂 | Automatic horizontal milling and boring machine |
| CN101862977A (en) * | 2010-05-14 | 2010-10-20 | 马金财 | Electrical control system of horizontal type boring-milling machine |
| CN102825336A (en) * | 2012-08-23 | 2012-12-19 | 刘福林 | Universal metal band sawing machine |
| CN203091884U (en) * | 2013-03-05 | 2013-07-31 | 东星机械有限公司 | Full-automatic computerized numerical control (CNC) multifunctional slotting machine integrated processing machine |
| CN103240460A (en) * | 2013-06-04 | 2013-08-14 | 江苏科技大学 | Processing device of internal keyway of tapered hole of large workpiece |
| CN203751834U (en) * | 2013-12-31 | 2014-08-06 | 冯建国 | Multifunctional machine tool |
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| CN204695079U (en) * | 2015-06-02 | 2015-10-07 | 重庆富川古圣机电有限公司 | Slotting machine control system |
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| CN104898558B (en) | 2018-05-01 |
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