CN203509748U - Precision compensation system of numerical control laser processing equipment - Google Patents
Precision compensation system of numerical control laser processing equipment Download PDFInfo
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- CN203509748U CN203509748U CN201320517753.0U CN201320517753U CN203509748U CN 203509748 U CN203509748 U CN 203509748U CN 201320517753 U CN201320517753 U CN 201320517753U CN 203509748 U CN203509748 U CN 203509748U
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Abstract
The utility model relates to a temperature compensation system, in particular to a precision compensation system of numerical control laser processing equipment. The precision compensation system comprises a lathe drive mechanism and a drive motor. A temperature sensor is arranged on the lathe drive mechanism. The temperature sensor is connected with a temperature transmitter. The temperature transmitter is connected with a PLC. The PLC is arranged in an upper computer. The upper computer is connected with the drive controller. The drive controller is connected with the lathe drive motor. The precision compensation system obtains the actual temperature of all positions of a lathe through the temperature sensor, outputs compensation dosage to the drive controller through temperature compensation, and drives a servo motor to conduct position compensation. Consequently, the precision compensation system overcomes the defects that a numerical control lathe used on a common workshop environment condition can generate errors easily, and improves processing precision and locating precision.
Description
Technical field
The utility model relates to a kind of temperature compensation system, is specifically related to a kind of digital control laser process equipment precision compensation system.
Background technology
As the vitals of machine tool transmission system, the precision stability of leading screw and tooth bar directly affects the precision of whole lathe.Because leading screw and tooth bar are made of metal, the characteristic of expanding with heat and contract with cold of metal can cause its precision stability to decline undoubtedly.Although leading screw and tooth bar manufacturer pass through in manufacture process.Especially on the longer large format equipment of stroke, the length direction precision cumulative errors that temperature causes are more obvious, conventionally can not ignore.With the axle of stroke 10m, the thermal coefficient of expansion 10ppm(10 μ m/m ℃ of metal material), the every rising of temperature is 1 degree Celsius in theory, and 10m stroke shaft just produces the error in length of 100 μ m.Day and night temperature, the winter and summer temperature difference are well imagined the impact of precision, therefore must carry out " temperature-compensating " to the precision of the laser process equipment of high accuracy and large stroke, to eliminate error.
Utility model content
For the deficiency existing in prior art, the utility model provides a kind of digital control laser process equipment precision compensation system that can carry out effective temperature-compensating, improve Machine Tool Positioning Accuracy and machining accuracy.
To achieve these goals, the utility model is to realize by the following technical solutions:
A kind of digital control laser process equipment precision compensation system, comprise lathe driving mechanism, drive motors, mounting temperature sensor on lathe driving mechanism described in it, temperature sensor is connected with temperature transmitter, temperature transmitter is connected with PLC, PLC is arranged in host computer, and host computer is connected with driving governor, and driving governor is connected with lathe drive motors.
Above-mentioned digital control laser process equipment precision compensation system, the lathe driving mechanism described in it comprises X-axis driving mechanism and Y-axis driving mechanism.
Above-mentioned digital control laser process equipment precision compensation system, the PLC described in it calculates the amount of temperature compensation of driving mechanism, and host computer changes amount of temperature compensation into zero offset value.
Above-mentioned digital control laser process equipment precision compensation system, the PLC described in it comprises A/D interface, this A/D interface is connected to carry out mould/number conversion with described temperature transmitter.
Above-mentioned digital control laser process equipment precision compensation system, the temperature transmitter described in it is treated to voltage signal by variations in temperature.
Above-mentioned digital control laser process equipment precision compensation system, the lathe drive motors described in it comprises X-axis drive motors and Y-axis drive motors.
Beneficial effect:
The utility model obtains the actual temperature of each position of lathe by temperature sensor, by temperature-compensating, compensation rate is exported to driving governor, drive servomotor to carry out position compensation, overcome the shortcoming that the Digit Control Machine Tool using easily produces error under common workshop condition condition, improved machining accuracy and positioning precision.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, describe the utility model in detail;
Fig. 1 is circuit theory diagrams of the present utility model.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with the specific embodiment, further set forth the utility model.
With reference to Fig. 1, the utility model comprises lathe driving mechanism, drive motors, lathe driving mechanism comprises X-axis driving mechanism 1 and Y-axis driving mechanism 2, equal mounting temperature sensor 3 on X-axis driving mechanism 1 and Y-axis driving mechanism 2, temperature sensor 3 is connected with temperature transmitter 4, temperature transmitter is connected with PLC5, PLC5 is arranged in host computer 6, PLC5 comprises A/D interface, this A/D interface is connected to carry out mould/number conversion with described temperature transmitter 4, PLC5 calculates the amount of temperature compensation of driving mechanism, host computer 6 changes amount of temperature compensation into zero offset value, host computer 6 is connected with driving governor 7, driving governor 7 is connected with Y-axis drive motors 9 with X-axis drive motors 8, X-axis drive motors 8 and Y-axis drive motors 9 drive respectively X-axis driving mechanism 1 and 2 actions of Y-axis driving mechanism.
By reload temperature sensor (Pt100) Real-Time Monitoring tooth bar on X-axis driving mechanism parts (tooth bar) and Y-axis driving mechanism parts (leading screw), the variations in temperature of leading screw, variations in temperature makes temperature sensor detection components change in resistance, through temperature transmitter process 1-5V corresponding to final output voltage signal (corresponding-10 ℃--50 ℃, being linearity is that every 1 ℃ of corresponding voltage is 66.67mv) to system simulation amount input port, the voltage signal of input is processed through PLC, obtain X-axis, the current actual temperature value T1 of Y-axis, PLC is by X-axis, leading screw before the datum mark temperature T 0(processing of the current actual temperature value T1 of Y-axis and temperature-compensating, the initial temperature of tooth bar) compare, according to variations in temperature Liang ⊿ T=T1-T0, An Zhao ⊿ L=⊿ T*L0/0.5 (L0 is the compensation rate benchmark of 0.5 ℃), calculate compensation rate, and this compensation rate is write in host computer in " PLC zero offset ", host computer gives driving governor instruction according to zero offset amount, by compensation rate, adjust the zero point of respective shaft (X-axis or Y-axis), realize accuracy compensation.
More than show and described basic 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; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of 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.
Claims (6)
1. a digital control laser process equipment precision compensation system, comprise lathe driving mechanism, drive motors, be characterised in that, mounting temperature sensor on described lathe driving mechanism, temperature sensor is connected with temperature transmitter, and temperature transmitter is connected with PLC, and PLC is arranged in host computer, host computer is connected with driving governor, and driving governor is connected with lathe drive motors.
2. digital control laser process equipment precision compensation system according to claim 1, is characterized in that, described lathe driving mechanism comprises X-axis driving mechanism and Y-axis driving mechanism.
3. digital control laser process equipment precision compensation system according to claim 1, is characterized in that, described PLC calculates the amount of temperature compensation of driving mechanism, and host computer changes amount of temperature compensation into zero offset value.
4. digital control laser process equipment precision compensation system according to claim 1, is characterized in that, described PLC comprises A/D interface, and this A/D interface is connected to carry out mould/number conversion with described temperature transmitter.
5. digital control laser process equipment precision compensation system according to claim 1, is characterized in that, described temperature transmitter is treated to voltage signal by variations in temperature.
6. digital control laser process equipment precision compensation system according to claim 1, is characterized in that, described lathe drive motors comprises X-axis drive motors and Y-axis drive motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320517753.0U CN203509748U (en) | 2013-08-23 | 2013-08-23 | Precision compensation system of numerical control laser processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320517753.0U CN203509748U (en) | 2013-08-23 | 2013-08-23 | Precision compensation system of numerical control laser processing equipment |
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| Publication Number | Publication Date |
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| CN203509748U true CN203509748U (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320517753.0U Expired - Lifetime CN203509748U (en) | 2013-08-23 | 2013-08-23 | Precision compensation system of numerical control laser processing equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107791043A (en) * | 2017-12-01 | 2018-03-13 | 江苏新瑞重工科技有限公司 | Multistation shape extrusion lathe |
| CN107803709A (en) * | 2017-12-01 | 2018-03-16 | 江苏新瑞重工科技有限公司 | Shape extrusion station unit and multistation shape extrusion lathe |
| TWI894343B (en) * | 2020-08-31 | 2025-08-21 | 日商迪思科股份有限公司 | Laser processing device and method for correcting light-collecting point position |
-
2013
- 2013-08-23 CN CN201320517753.0U patent/CN203509748U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107791043A (en) * | 2017-12-01 | 2018-03-13 | 江苏新瑞重工科技有限公司 | Multistation shape extrusion lathe |
| CN107803709A (en) * | 2017-12-01 | 2018-03-16 | 江苏新瑞重工科技有限公司 | Shape extrusion station unit and multistation shape extrusion lathe |
| TWI894343B (en) * | 2020-08-31 | 2025-08-21 | 日商迪思科股份有限公司 | Laser processing device and method for correcting light-collecting point position |
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Granted publication date: 20140402 |
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| CX01 | Expiry of patent term |