CN201047912Y - Numerically-controlled machine tool range control device - Google Patents
Numerically-controlled machine tool range control device Download PDFInfo
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- CN201047912Y CN201047912Y CNU2007200849841U CN200720084984U CN201047912Y CN 201047912 Y CN201047912 Y CN 201047912Y CN U2007200849841 U CNU2007200849841 U CN U2007200849841U CN 200720084984 U CN200720084984 U CN 200720084984U CN 201047912 Y CN201047912 Y CN 201047912Y
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Abstract
The utility model discloses a journey control device for a numerical control machine tool used for controlling running journey of the worktable of the numerical control machine tool. The journey control device comprises a photoelectric journey switch, an optical signal sensing point-block, a programmable logical controller PLC, a medium relay, a low-voltage power supply and a signal line. In operation, the small-sized optical signal sensing block moves with the worktable. After the optical signal sensing block blocks the photoelectric switch, a photoelectric approaching switch is turned on to produce corresponding electrical signals, which are output via the medium relay to the programmable logical controller PLC; after receiving the electrical signals, the programmable logical controller PLC executes a preset command to control the operation of the worktable.
Description
Technical field
The utility model relates to the numerically-controlled machine travel control device, is used for the control of numerically controlled machine operation stroke.
Background technology
At present, the Stroke Control of existing numerically controlled machine operation adopts the control of actuating type travel switch, its Stroke Control principle is to utilize the elasticity flip flop equipment trigger switch closure of the stroke limit piece bump actuating type switch of platen side, touch switch output electric signal is given programmable logic controller (PLC) PLC (Programmable Logic Controller), sends corresponding operating instruction control worktable by programmable logic controller (PLC) PLC again and carries out the down-stream control action.In this process, not only have the mechanical wear problem, and workpiece processing tool produces slag and spreads all over and be scattered, very easily the elasticity flip flop equipment in the travel switch of Control work platform is blocked, switch can't be touched, cause worktable control malfunctioning.May cause the appearance of potential safety hazard and equipment failure thus, comprise to cause worktable to go out guide pass, cause operating personnel's personal injury; The slag that processing produces very easily stops up travel switch, makes it malfunctioning, causes cutter can't stop when feed, so that is broken by workpiece, has not only increased the overhaul of the equipments time, has also increased the spare part maintenance cost; Frequent fault has increased the overhaul of the equipments time, and what influence was produced carries out smoothly.
The utility model content
For solving the malfunctioning lathe operation troubles that causes of trigger-type travel switch, improve lathe steady operation rate, the utility model provides a kind of numerically-controlled machine travel control device, its structure is light, highly sensitive, be subjected to such environmental effects less relatively, be convenient to demolition and maintenance.
The utility model provides a kind of numerically-controlled machine travel control device, comprises stroke limit piece and travel switch, and described travel switch is connected with PLC, and its improvement is that described travel switch is an optoelectronic switch, and the stroke limit piece is a light signal induction fritter.
As optimization to such scheme, optoelectronic switch series arrangement up and down is fixedly mounted on the lathe top, photosignal induction fritter is fixed on removable worktable top, upper-lower position between the photosignal induction fritter is corresponding with each optoelectronic switch, about put in order identical with putting in order of the spacing point of table stroke, suitable apart from the spacing between relation and the spacing point of table stroke between left and right between each photosignal induction fritter.
As such scheme is further optimized, between optoelectronic switch and programmable logic controller (PLC) PLC, increased auxiliary reclay, the photo-electric travel switch inserts programmable logic controller (PLC) PLC by auxiliary reclay.
After adopting the technical solution of the utility model, avoided the trigger-type travel switch easy to wear, the shortcoming that failure rate is high, not only the lathe operation stability improves greatly, equipment failure rate reduces greatly, reduced the overhaul of the equipments time, improve the online service efficiency of equipment, and eliminated potential safety hazard and the defective of easily going out operating personnel's personal injury that guide pass causes because of worktable is out of control.
Numerically-controlled machine travel control device provided by the utility model, dependable performance, stable can be good at being applied to numerically controlled machine Stroke Control field.
Figure of description
Figure 1 shows that photoelectricity travel control device and double sides milling machine worktable master look synoptic diagram.
Figure 2 shows that photoelectricity travel control device and double sides milling machine worktable schematic side view.
Figure 3 shows that the circuit diagram that optoelectronic switch is connected with programmable logic controller (PLC) PLC.
Embodiment
Below in conjunction with Figure of description and present embodiment technical solutions of the utility model are specified.The double sides milling machine technical application transformation that present embodiment is QX6050--II at a model, this equipment are the emphasis equipment in the middle of the hot rolled steel plate inspection process, and what its worktable operation was adopted is the control of trigger-type travel switch.The trigger-type travel switch is fixed in the side-lower of milling machine guide rail, worktable is provided with 5 stroke limit points, comprise that worktable stops spacing point, the spacing point of rapid feed, worker advance to stop spacing point, working cycle stop spacing point, work lower limit site, corresponding each stroke limit point, the side-lower of worktable is provided with 5 outstanding fritters as the stroke limit piece.In the worktable traveling process, stroke limit piece bump trigger-type travel switch, cause trigger-type travel switch closure, the output electric signal is to programmable logic controller (PLC) PLC, again by programmable logic controller (PLC) PLC 15 send the advancing of instruction driving worktable, stop, commutation, action such as spacing.
Present embodiment disconnects the original trigger-type travel switch of this equipment from numerical control tank 14, lie idle, and original 5 the stroke limit pieces of matching used with it platen side-lower lose thus to imitate and do.Numerical control tank 14 comprises programmable logic controller (PLC) PLC 15, control circuit board, low-tension supply.In addition above lathe according to the fixed installation of the series arrangement from top to bottom photo-electric that to install 5 models additional be 2005-JGK-0241K near switch, be respectively worktable shutdown switch 1, rapid feed switch 2, worker and advance shutdown switch 3, working cycle shutdown switch 4, work limit switch 5, be divided into 2-3cm between the upper and lower.Each optoelectronic switch power lead, output signal line insert an optoelectronic switch terminal block 17, join through optoelectronic switch terminal block 17 and numerical control tank 14, wherein, the power lead of optoelectronic switch connects the 24V low-tension supply of numerical control tank 14, by the power supply of 24V low-tension supply, the output signal line of optoelectronic switch inserts the programmable logic controller (PLC) PLC 15 in the numerical control tank 14.The device 12 that an outer appearnce is similar to staff has been installed on lathe sample hydraulic clamp 11, little iron block has been installed on different spectral lines, as light signal induction fritter, be respectively worktable and stop photoinduction fritter 6, rapid feed induction fritter 7, worker advance to stop induction fritter 8, working cycle stop induction fritter 9, work lower limit induction fritter 10, light signal induction fritter is not limited to metal, and all can light reflecting object all can adopt.The upper-lower position of each photosignal induction fritter on staff device 12 is corresponding near switch with each photo-electric, the arrangement of position, the left and right sides is identical with the sequence of positions of the spacing point of respectively working of worktable 13, the spacing of respectively working between the spacing point apart from relation and worktable between left and right between each photosignal induction fritter is suitable, along with moving of worktable 13, staff device 12 is advanced with worktable, driving photosignal induction fritter moves, when certain photosignal induction fritter blocks corresponding optoelectronic switch, optoelectronic switch detects beam reflection, the optoelectronic switch conducting, produce corresponding electric signal, output to programmable logic controller (PLC) PLC 15, programmable logic controller (PLC) PLC 15 receives electric signal, and the operation predetermined instruction comes Control work platform 13 to move, stop, the commutation or reset.
In the middle of the signal wire line of 5 optoelectronic switches and programmable logic controller (PLC) PLC 15,5 auxiliary reclays 16 that model is CCN22B-4Z have been added respectively, auxiliary reclay 16 is inserted in the relay slot of the control circuit board reservation of numerical control tank, and optoelectronic switch inserts programmable logic controller (PLC) PLC 15 by auxiliary reclay 16.Like this, photo-electric is played overload protective function near the pin of switch and programmable logic controller (PLC) PLC 15.
After the technical scheme transformation according to present embodiment, need not partly do other to the numerical control of lathe and adjust, just can satisfy the normal service requirement of equipment fully, and reach the effect that reduces failure rate.Adopt the hardover failure of trigger-type travel switch Control work platform to account for 59.7% of total failare before transforming, the worktable hardover failure repair time accounts for 65.3% of the total failare repair time; Transforming the back whole set equipment has avoided overstocking accumulation and the frequent worktable hardover failure that produces because steel is cut fully, the ratio that the worktable hardover failure accounts for total failare is reduced to 9.5%, corrective maintenance time accounts for total failare repair time ratio and is reduced to 8%, has guaranteed carrying out smoothly of production greatly.
What deserves to be explained is, the utility model be not limited to present embodiment at the numerical control double sides milling machine, for the Stroke Control of other numerically-controlled machines, as lathe, planer, forge bed, punch press etc., make equivalents or simple remodeling according to the technical solution of the utility model, can be suitable for equally.
Claims (3)
1. a numerically-controlled machine travel control device comprises stroke limit piece and travel switch, and described travel switch is connected with PLC, it is characterized in that, described travel switch is an optoelectronic switch, and the stroke limit piece is a light signal induction fritter.
2. numerically-controlled machine travel control device according to claim 1, it is characterized in that, optoelectronic switch series arrangement up and down is fixedly mounted on the lathe top, light signal induction fritter is installed in removable worktable top, upper-lower position between the photosignal induction fritter is corresponding with each optoelectronic switch, about put in order identical with putting in order of the spacing point of table stroke, suitable apart from the spacing between relation and the spacing point of table stroke between left and right between each photosignal induction fritter.
3. numerically-controlled machine travel control device according to claim 2 is characterized in that, optoelectronic switch inserts programmable logic controller (PLC) PLC by auxiliary reclay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200849841U CN201047912Y (en) | 2007-05-30 | 2007-05-30 | Numerically-controlled machine tool range control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200849841U CN201047912Y (en) | 2007-05-30 | 2007-05-30 | Numerically-controlled machine tool range control device |
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| CN201047912Y true CN201047912Y (en) | 2008-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007200849841U Expired - Fee Related CN201047912Y (en) | 2007-05-30 | 2007-05-30 | Numerically-controlled machine tool range control device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101367174B (en) * | 2008-09-05 | 2010-06-09 | 济南二机床集团有限公司 | Table stroke control apparatus and control method |
| CN102023022A (en) * | 2010-09-29 | 2011-04-20 | 中国化工橡胶桂林有限公司 | Cloth storage detecting and inducing device for tire building machine |
| CN103032668A (en) * | 2012-12-28 | 2013-04-10 | 中核（天津）机械有限公司 | Device for preventing machine tool auxiliary cart from being collided |
| CN106181769A (en) * | 2016-08-30 | 2016-12-07 | 佛山市诚志齿轮有限公司 | A kind of Grinder bench travel control device, system and method |
| CN107228996A (en) * | 2017-06-15 | 2017-10-03 | 北京日扬弘创科技有限公司 | test device |
-
2007
- 2007-05-30 CN CNU2007200849841U patent/CN201047912Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101367174B (en) * | 2008-09-05 | 2010-06-09 | 济南二机床集团有限公司 | Table stroke control apparatus and control method |
| CN102023022A (en) * | 2010-09-29 | 2011-04-20 | 中国化工橡胶桂林有限公司 | Cloth storage detecting and inducing device for tire building machine |
| CN103032668A (en) * | 2012-12-28 | 2013-04-10 | 中核（天津）机械有限公司 | Device for preventing machine tool auxiliary cart from being collided |
| CN106181769A (en) * | 2016-08-30 | 2016-12-07 | 佛山市诚志齿轮有限公司 | A kind of Grinder bench travel control device, system and method |
| CN107228996A (en) * | 2017-06-15 | 2017-10-03 | 北京日扬弘创科技有限公司 | test device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080416 Termination date: 20140530 |