CN201917808U - Detector for differential motion of machine tool - Google Patents
Detector for differential motion of machine tool Download PDFInfo
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- CN201917808U CN201917808U CN2010205726712U CN201020572671U CN201917808U CN 201917808 U CN201917808 U CN 201917808U CN 2010205726712 U CN2010205726712 U CN 2010205726712U CN 201020572671 U CN201020572671 U CN 201020572671U CN 201917808 U CN201917808 U CN 201917808U
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Abstract
The utility model discloses a detector for differential motion of a machine tool, in particular to a detector for differential motion of a machine tool, which can be independently processed by a hardware circuit. Two comparison circuits are arranged in front of a control processing unit; while differential signals can be simultaneously inputted into the two comparison circuits so as to compare the differential signals respectively through the two comparison circuits; then the signals are confirmed by the control processing unit; when the differential signals are normal, then a control signal can be outputted normally; otherwise, when the differential signals are abnormal, the control signal is stopped to be output or a marking signal is fed out to another control module to stop the running of the machine tool or implement other application processing; through the design, the detector for the differential motion of the machine tool can utilize the characteristics of the differential signals and simply monitor whether the input of the differential signals is abnormal or not through the comparison circuits, so as to improve the processing speed, and avoid a machine bench from being damaged due to mistaken judgment without needing to use software to actuate error checking and protection functions.
Description
Technical field
The utility model relates to a kind of pick-up unit, is meant a kind of employed differential detection device of machine tool that is used for especially.
Background technology
Along with the constantly upwards development of photoelectricity science and technology, semiconductor industry, precise machine machining, the desired precision of the product of being produced is also strict day by day, and processing precision of products mainly is to depend on moving and error compensation of workbench and cutter.The workbench or the cutter of machine tool move at present, utilize driver to remove the start motor running, then workbench behind the motor running or tool position are sent on the controller, inform operator's workbench or the present position coordinates of cutter by the display on the controller again;
Yet, be used for whether accurately mechanism of testing platform and cutter shift position in the existing machine tool, mainly recall the action that signal carries out error detection by electronic circuit by the software in the controller, but because of the environment in the factory often is covered with aqueous vapor, dust, external force factors such as electromagnetism, even long-term application maintenance custom is not good, in the process that these circuits is everlasting use because of external force or maintain and improperly be damaged or disturb, and then cause its signal errors or omission, so not only error detection processing speed is slow, and may have influence on precision machined precision, even because of reacting slowly or in time not detecting, and cause its cutter or the offside phenomenon [as colliding etc.] of workbench, make the board device damage of described machine tool, not only can have influence on prouctiveness, also increase the cost of maintenance simultaneously.
In other words, accurately whether existing workbench that utilizes the software detection machine tool and tool position the practice, ubiquity is subject to external force or maintenance influence improperly in practical operation, produce unnecessary damage or interference, and then cause its signal errors or omission, and then the board equipment of machine tool is damaged because of erroneous judgement, so be necessary to do further improvement really.
Designer of the present utility model judges by accident in view of above-mentioned machine tool position and broken string causes board to damage every shortcoming of being derived, be urgently to think to be improved innovation, and after concentrating on studies through taking great pains to attain one's goal for many years, successfully this part machine tool differential detection device is finished in research and development finally.
The utility model content
The purpose of this utility model promptly is to provide a kind of machine tool differential detection device, can carry out error detection and defencive function can not need pass through software, and can make a response fast, to avoid causing the device damage of machine tool.
Can reach the machine tool differential detection device of above-mentioned utility model purpose, described machine tool comprises the controlled processing unit with a may command various actions and signal transmission, and controlled processing unit is connected with two comparison circuit parallel with one another, wherein compare circuit and mainly formed, and whether the input that the comparison circuit can simple and easy monitoring differential wave is in unusually by element with differential wave characteristic.
Preferably, described controlled processing unit carries out signal and confirms, when differential signal just often, then make control signal normally export, otherwise when differential abnormal signal, then make control signal stop output or send a marking signal and give another control module, for stopping the machine tool running or carrying out other and use and handle.
Therefore; specific implementation by the utility model aforementioned techniques means; allow the utility model can utilize the differential wave characteristic; and can whether be in unusual condition by the input of the simple and easy monitoring differential wave of comparison circuit; owing to not only can improve the speed of processing; and need not carry out error detection and defencive function, and can avoid board to damage, to improve its work efficiency because of erroneous judgement through software.
Description of drawings
Fig. 1 is the differential detection schematic flow sheet of described machine tool differential detection device;
Fig. 2 is the differential detection configuration diagram of the utility model machine tool differential detection device.
Embodiment
See also Fig. 1 and Fig. 2, machine tool differential detection device provided by the utility model, mainly include: a controlled processing unit 1, described controlled processing unit 1 has the various actions and the signal transmission of may command machine tool, be sent to controlled processing unit 1 in order to input signal (pending) when steering order, and output signal after finishing (handling), again controlled processing unit 1 and be connected with two the comparison circuit 2,3, wherein said comparison circuit 2,3 are made up of the element that utilizes the differential wave characteristic, and whether the input that comparison circuit 2,3 can simple and easy monitoring differential wave is in unusually;
Therefore; specific implementation by the utility model aforementioned techniques means; allow the utility model can utilize the differential wave characteristic; and can whether be in unusual condition by the input of the simple and easy monitoring differential wave of comparison circuit; owing to not only can improve the speed of processing, and need not carry out error detection and defencive function, and can avoid board to damage because of declaring mistake through software; to improve its work efficiency, constitute a machine tool differential detection device.
And about practice of the present utility model, then still please referring to Fig. 1, shown in Figure 2, in the operation, after the controlled processing unit 1 of machine tool receives steering order, can go CD-ROM drive motor 6 runnings by driver 5, and drive workbench or cutter, controlled processing unit 1 is passed in workbench or tool position after motor 6 runnings, and inform user present workbench position or cutter place coordinate by the display on the controlled processing unit 1;
And described steering order is imported a differential wave 401 described two comparison circuit 2 simultaneously, 3, and utilize two to compare circuit 2,3 carry out differential wave comparison 402, and then make two to compare circuit 2,3 produce two comparison signals 403 respectively, and with aforementioned two comparison circuit 2, carry out signal in the 3 comparison signal input controlled processing units of being exported 1 and confirm 404, for example service time, difference or service range carried out sensing, promptly imported in the regular hour distance that workbench or cutter will move, can transmit the comparison signal of a mistake if displacement is afterwards wrong as calculated, or the desired time of a segment distance, similarly be that the time that 100mm will move is 10 seconds for example, that every 10mm will pass a signal and differentiate, if when moving to time that 30mm spends and be more than 4 seconds or 5 seconds, promptly judge differential wave unusual 405 take place.So when differential signal normal 406 the time, then make the normal output 408 of control signal, otherwise when differential abnormal signal, then make control signal stop output or send a marking signal and give another control module 407, for stopping the machine tool running or carrying out other and use and handle; Or in a limiting time workbench or cutter need arrive a position or coordinate, if in the time limit workbench or cutter no show assigned address or coordinate time, then judge take place unusual.
By aforesaid design; the utility model can utilize the differential wave characteristic; can whether be in unusual condition by the input of the simple and easy monitoring differential wave of comparison circuit; not only can improve the speed of processing; and need not carry out error detection and defencive function through software; and can avoid board because of external force of environment or maintain and improperly be damaged or disturb; can prevent that it from causing erroneous judgement because of signal errors or omission; prevent that machine tool generation cutter or workbench from offside phenomenon taking place; reach the purpose of the board equipment of the described machine tool of protection; and the unlikely prouctiveness that has influence on can reduce its maintenance cost simultaneously.
Machine tool differential detection device provided by the utility model when comparing mutually with other prior aries, has more following advantage:
1, use the differential signal transmission technology, advantage is that power consumption is extremely low, can support to help high frequency range, and only produce few electromagnetic interference (EMI).In addition, not disturbed by noise, improve practicality of the present utility model.
2, constituted by hardware circuit owing to the utility model; can independently finish and handle action by hardware mechanisms; and processing speed is fast, need can not carry out error detection and defencive function through software, and the mechanism of making a response is avoided the destruction of board equipment fast when unusual the generation.
Above-listed detailed description specifies at a possible embodiments of the present utility model, only described embodiment is not in order to limit claim of the present utility model, allly do not break away from the equivalence that the utility model skill spirit does and implement or change, all should be contained in the claim of the present utility model.
In sum, the utility model not only really belongs to innovation on the kenel of space, and can promote above-mentioned multinomial effect by existing article, should fully meet novelty and creationary legal utility model patent important document, file an application in the whence in accordance with the law, earnestly ask your office and check and approve this part utility application case, to encourage research and development, to feeling moral just.
Claims (2)
1. a machine tool differential detection device is characterized in that, includes the controlled processing unit of control signal transmission, and described controlled processing unit is connected with two comparison circuit parallel with one another.
2. machine tool differential detection device as claimed in claim 1 is characterized in that described comparison circuit mainly is made up of the element with differential wave characteristic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205726712U CN201917808U (en) | 2010-10-20 | 2010-10-20 | Detector for differential motion of machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205726712U CN201917808U (en) | 2010-10-20 | 2010-10-20 | Detector for differential motion of machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201917808U true CN201917808U (en) | 2011-08-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205726712U Expired - Fee Related CN201917808U (en) | 2010-10-20 | 2010-10-20 | Detector for differential motion of machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201917808U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104097110A (en) * | 2014-07-02 | 2014-10-15 | 无锡烨隆精密机械有限公司 | Control method and system of preventing machine impact for numerical control machine tool |
| CN108345234A (en) * | 2017-01-23 | 2018-07-31 | 迅得机械股份有限公司 | Process monitoring methods |
-
2010
- 2010-10-20 CN CN2010205726712U patent/CN201917808U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104097110A (en) * | 2014-07-02 | 2014-10-15 | 无锡烨隆精密机械有限公司 | Control method and system of preventing machine impact for numerical control machine tool |
| CN108345234A (en) * | 2017-01-23 | 2018-07-31 | 迅得机械股份有限公司 | Process monitoring methods |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20171020 |
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| CF01 | Termination of patent right due to non-payment of annual fee |