CN102151720A - Control system of automatic straightener for linear guide rails - Google Patents
Control system of automatic straightener for linear guide rails Download PDFInfo
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- CN102151720A CN102151720A CN 201110027794 CN201110027794A CN102151720A CN 102151720 A CN102151720 A CN 102151720A CN 201110027794 CN201110027794 CN 201110027794 CN 201110027794 A CN201110027794 A CN 201110027794A CN 102151720 A CN102151720 A CN 102151720A
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Abstract
The invention provides a control system of an automatic straightener for linear guide rails. The automatic straightener for the linear guide rails is at least provided with a straightening pressure head and two supporting parts. The control system firstly builds correction models of the linear guide rails in two vertical directions, connects measuring points positioned on a surface into a continuous curve, counts all curves on the linear guide rails, determines the position coordinates of pressure points of a positive curved surface and two supporting points of a negative curved surface and successive pressing sequences of curve segments according to the curvature of the curve segments, sets the maximal correction quantity of the straightening pressure head and the two supporting parts, then drives the two supporting parts to respectively support against the two supporting points of the negative curved surface of a selected curve segment so that the straightening pressure head presses the pressure points of the positive curved surface of the selected curve segment to carry out straightening operation and saves the correction models, the maximal correction quantities and straightening logs of the linear guide rails to carry out journey compensation variation and data correction when straightening the curve segment of a more secondary priority level so as to carry out high-accuracy and high-efficiency straightening on the linear guide rails.
Description
Technical field
The present invention relates to line slideway alignment technology, particularly relate to a kind of control system with high accuracy and high efficiency line slideway automatic alignment machine.
Background technology
In the numerous areas of mechanical industry, all can use line slideway on many production lines or the lathe, produce required instrument or Related product for use in transmitting.Line slideway produces flexural deformation after quenching of guide rail process and the grinding in the mill, reduces deflection, thereby alignment has become the together requisite operation of line slideway in processing link.Particularly important for the high accuracy guide rail especially, even if trickle amount of bow also will influence the later process machining accuracy, and even cause and make the finished product sub-assembly not reach required precision.
In the prior art, domestic equipment of the same trade still has the following disadvantages: at first, existing alignment equipment need can accurately not determine the position and the order of check point, so that whole trimming process is slow; Secondly, existing alignment equipment can not determine to be pressed into numerical quantity effectively, and under-voltage and overvoltage causes the repetition direction operational ton to increase at process lieutenant colonel's positive pressure head of alignment; Moreover existing alignment equipment can not be selected the support interval of crooked position on the guide rail automatically, so become new case of bending often make the first correction of original curved shape in alignment process after.
So, how to provide a kind of and line slideway proofreaied and correct, and have high accuracy and high efficiency automatic aligning equipment, to overcome the present problem demanding prompt solution of dealer that the above shortcoming that exists in the prior art is association area in fact with the balance correction technology.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of control system of line slideway automatic alignment machine, can select check point and correction order exactly, determine to be pressed into the support interval of crooked position on numerical quantity and the selected accurately guide rail effectively, line slideway is carried out high accuracy and high efficiency automatic aligning.
Reach other relevant purposes for achieving the above object, the invention provides a kind of control system of line slideway automatic alignment machine, at least have in the described line slideway automatic alignment machine in order to positive curved surface on the punching press line slideway be pressed into a little the correction pressure head and in order to lean two support members of negative curved face two strong points on the described line slideway respectively, it is characterized in that, described control system comprises: the type selecting module, after detecting described line slideway, carry out type identification, and on two vertical direction, set up the correction model of described line slideway; The vector analysis module, connect described type selecting module, in order to add up all curved sections on the described line slideway, and the curvature that calculates each curved section is pressed into a little with the positive curved surface that obtains each curved section and the position coordinates of negative curved face two strong points, size according to each curved section curvature is that priority sorts then, to determine the priority punching press order of each curved section; The Stroke Control module connects described type selecting module, in order to set the maximum modified amount of a datum line and described correction pressure head and two support members according to the type of described line slideway; The alignment control module, connect described Stroke Control module and vector analysis module, lean respectively on negative curved face two strong points of selected curved section in order to drive described two support members, and the positive curved surface that the datum line of reference settings drives the selected curved section of described correction pressure head punching press is pressed into a little to carry out the alignment operation, and after alignment is finished, measure, generate the alignment daily record to confirm qualified back; DBM, connect described type selecting module, Stroke Control module and alignment control module, in order to store the property parameters of polytype line slideway, and correction model, maximum modified amount and alignment daily record in order to store described line slideway, so that do stroke compensation variable and data correction when the curved section of time priority carries out alignment.
In the control system of line slideway automatic alignment machine of the present invention, described alignment control module also comprises a verification unit, whether the alignment that is used for testing after alignment is finished is qualified, when check alignment when being defective, according to the datum line that preestablishes the stroke and the direction of described correction pressure head and two support members are revised, and be recorded in the alignment daily record.The property parameters of described line slideway is the guide rail code name.
In the control system of line slideway automatic alignment machine of the present invention, also comprise output module, connect described DBM, be used to export correction model, maximum modified amount and the alignment daily record that described DBM stores.Described output module is a display unit or printing equipment.
Described line slideway automatic alignment machine also has the pneumatic and hydraulic system of being made up of pumping plant, manifold valve group, execution gas, oil cylinder and control loop at least.In the control system of line slideway automatic alignment machine of the present invention, also comprise gas-liquid heat treatment module, be used to detect the temperature of described pneumatic and hydraulic system, to guarantee self thermal balance of described line slideway automatic alignment machine.
In the control system of line slideway automatic alignment machine of the present invention, described type selecting module also comprises the one scan unit, in order to detect the laggard line scanning of described line slideway to differentiate type behind the described line slideway.Described scanning element is a laser scanning device or grating chi device.
As mentioned above, the control system of line slideway automatic alignment machine of the present invention is compared with prior art:
At first, line slideway automatic alignment machine of the present invention has preferential alignment point selection function, so that set the alignment order of each measurement point, it is minimum making automatic aligning working cycles number of times, within it in portion's computing system, initial stage can have the empirical parameter of the various guide rail structures of artificial setting earlier, differentiates automatically after whenever finishing calibration later on and revises parameter;
Secondly, the measurer that is pressed into of line slideway automatic alignment machine of the present invention has adaptation function, can be according to the different correction sizes of adjusting automatically of guide rail structure specification and amount of bow, adapting to of the different requirements of workpiece flexibility difference, and undertaken revising automatically and storing to the storage of new data and to the preceding parameter that stores in once proofreading and correct by the internal calculation system to the alignment stroke;
Moreover, line slideway automatic alignment machine of the present invention is according to diastrophic curved section shape, find out the quantity and the position of each flex point (for example curvature transition point) by computing system, axial amount of movement is prolonged in definite support, make the spacing of support reach the size that is complementary with the rate of curving, and then can select the support interval of crooked position on the guide rail accurately.
Description of drawings
Fig. 1 is shown as the control system theory diagram of line slideway automatic alignment machine of the present invention.
The specific embodiment
Below by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the content that this specification disclosed.The present invention can also be implemented or be used by the other different specific embodiment, and the every details in this specification also can be based on different viewpoints and application, carries out various modifications or change under the spirit of the present invention not deviating from.
The invention provides a kind of control system of line slideway automatic alignment machine, in present embodiment, at least have in the described line slideway automatic alignment machine anchor clamps in order to fixing line slideway, in order to positive curved surface on the punching press line slideway be pressed into a little the correction pressure head and in order to lean two support members of negative curved face two strong points on the described line slideway respectively, in concrete embodiment, described correction pressure head for example is the oil cylinder or the cylinder of pneumatic and HYDRAULIC CONTROL SYSTEM, and described support member can for example be the screw mandrel by driven by servomotor.More detailed it, described line slideway automatic alignment machine also has at least by pumping plant, manifold valve group, carries out the pneumatic and hydraulic system that gas, oil cylinder and control loop are formed.
Need to prove that the diagram that is provided in the present embodiment only illustrates basic conception of the present invention in a schematic way, and the emphasis of the non-the present invention's protection of above-mentioned mechanical part and concrete structure, thereby not in drawing diagram.
Be the convenient principle of setting forth the present invention, satisfy only show in graphic with the present invention in relevant assembly but not component count, shape and size drafting when implementing according to reality, kenel, quantity and the ratio of each assembly can be a kind of random change during its actual enforcement, and its assembly layout kenel also may be more complicated.
See also Fig. 1, Fig. 1 is shown as the control system theory diagram of line slideway automatic alignment machine of the present invention; As shown in the figure, the control system 1 of line slideway automatic alignment machine of the present invention comprises: type selecting module 11, vector analysis module 12, Stroke Control module 13, alignment control module 14, DBM 15, output module 16, gas-liquid heat treatment module 17.
Described type selecting module 11 is carried out type identification after detecting described line slideway, and on two vertical direction (being two directions of the same cross section XY of described line slideway), set up the correction model of described line slideway, because the cross section of line slideway is approximately rectangle mostly, so consider the vector of both direction.In present embodiment, described type selecting module 11 also comprises one scan unit 111, in order to detect the laggard line scanning of described line slideway to differentiate type behind the described line slideway.Particularly, described scanning element 111 for example is a laser scanning device (for example laser scanner) or grating chi device.
Described vector analysis module 12 connects described type selecting module 11, the correction model of the line slideway that the described type selecting module 11 of foundation is set up, add up all curved sections on the described line slideway, and the curvature that calculates each curved section is pressed into a little with the positive curved surface that obtains each curved section and the position coordinates of negative curved face two strong points, size according to each curved section curvature is that priority sorts then, to determine the priority punching press order of each curved section; In other words, the amount of curvature of described vector analysis module 12 each curved section of statistics, searching respective action point position, arrange calibration by degree of crook is descending, consider with suitable application point and selection each point precedence, and then solved very difficult alignment guide rail bending direction of traditional correcting mode and the plane off plumb problem used.
Described Stroke Control module 13 connects described type selecting module 11; in order to setting the maximum modified amount of a datum line and described correction pressure head and two support members, and then protect line slideway can not broken effectively or pressure break or enter plastic deformation by excessive correction according to the type of described line slideway.
Described alignment control module 14 connects described Stroke Control module 13 and vector analysis module 12, lean respectively on negative curved face two strong points of selected curved section in order to drive described two support members, and the positive curved surface that the datum line of reference settings drives the selected curved section of described correction pressure head punching press is pressed into a little to carry out the alignment operation, and after finishing, alignment measures, to confirm that qualified back generates the alignment daily record, in present embodiment, described alignment control module 14 also comprises a verification unit 141, whether the alignment that is used for testing after alignment is finished is qualified, when check alignment when being defective, according to the datum line that preestablishes the stroke and the direction of described correction pressure head and two support members are revised, and be recorded in the alignment daily record.In concrete embodiment, numerous and diverse and the orderly action of 14 pairs of straighteners of described alignment control module all is complete under its programme-control, the mutual communication of treatment system is also coordinated orderly the clamping of each execution unit of control, rotation, measure, the alignment position is selected, the pressurization correction waits action, verification unit 141 is wherein constantly revised initial data for " self-teaching function ", in the trimming process afterwards, calibration, the operation of alignment each time that detects, if it is qualified by the data-in storehouse, if it is defective, by two curved section directions before and after will proofreading and correct and datum line contrast, judge direction and size correction stroke, and be recorded in the alignment daily record.
DBM 15 connects described type selecting module 11, Stroke Control module 13 and alignment control module 14, in order to store the property parameters of polytype line slideway, and correction model, maximum modified amount and alignment daily record in order to store described line slideway, so that do stroke compensation variable and data correction when the curved section of time priority carries out alignment.In concrete embodiment, the property parameters of described line slideway is the guide rail code name.
Described output module 16 connects described DBM 15, is used to export correction model, maximum modified amount and the alignment daily record that described DBM 15 stores.In concrete embodiment, described output module 16 for example is a display unit (for example display screen) or printing equipment (for example printer).
Described gas-liquid heat treatment module 17 is used to detect the temperature of described pneumatic and hydraulic system, to guarantee self thermal balance of described line slideway automatic alignment machine.Because pumping plant, manifold valve group, execution gas, oil cylinder, control loops etc. have been formed the pneumatic and hydraulic system of straightener complexity, accuracy, stability, reliability when preventing the work of the cold and hot variable effect straightener of hydraulic system, carry out the design of loop unloading way, to guarantee self thermal balance of described line slideway automatic alignment machine.
Line slideway is carried out in the process of alignment in reality, after in place by alignment line guide rail, by anchor clamps its two ends are tightened, by scanning element 111 detection faces, quarter-turn then, detect another side, differentiate type behind the described line slideway this moment, and set up the correction model of described line slideway, to count all curved sections on the line slideway, and determine that according to the curvature of curved section positive curved surface is pressed into a little, the priority punching press order of the position coordinates of negative curved face two strong points and each curved section, after the maximum modified amount of setting described correction pressure head and two support members, the change of strong point spacing, the two ends anchor clamps move axially to proofreading and correct the pressure head direction, behind the location, described line slideway is lowered on two support members in place, behind the degree of crook and direction of determining guide rail, the datum line of reference settings, driving described two support members leans respectively at negative curved face two strong points of selecting curved section, the positive curved surface that drives the selected curved section of described correction pressure head punching press is pressed into a little to carry out the alignment operation, in the both direction alignment that hockets, and then it is whether qualified by verification unit 141 alignment of testing, when check alignment when being defective, according to the datum line that preestablishes the stroke and the direction of described correction pressure head and two support members are revised, specifically be meant and carry out beyond the displacement check, also carry out the angle check.Assay is judged if the actual measurement radial beat eccentricity in each cross section is all in Measurement Allowance, then this workpiece is certified products, does not need to carry out alignment again.Two anchor clamps loosen to be return, and moving corbel plays workpiece and shifts out measurement, proofreaies and correct station.Otherwise, if measured value out-of-size scope not only, but also exceeded the upper and lower limit critical point of alignment, then this guide rail needs otherwise processed.Have only measurement result when guide rail between the alignment scope, promptly exceed the certified products boundary, but during less than the critical point of greatest measurement, just begin by correction program described line slideway execution alignment.
In sum, line slideway automatic alignment machine of the present invention has preferential alignment point selection function, so that set the alignment order of each measurement point, it is minimum making automatic aligning working cycles number of times, within it in portion's computing system, initial stage can have the empirical parameter of the various guide rail structures of artificial setting earlier, differentiates automatically after whenever finishing calibration later on and revises parameter; And, the measurer that is pressed into of line slideway automatic alignment machine of the present invention has adaptation function, can be according to the different correction sizes of adjusting automatically of guide rail structure specification and amount of bow, adapting to of the different requirements of workpiece flexibility difference, and undertaken revising automatically and storing to the storage of new data and to the preceding parameter that stores in once proofreading and correct by the internal calculation system to the alignment stroke; Moreover, line slideway automatic alignment machine of the present invention is according to diastrophic curved section shape, find out the quantity and the position of each flex point (for example curvature transition point) by computing system, axial amount of movement is prolonged in definite support, make the spacing of support reach the size that is complementary with the rate of curving, and then can select the support interval of crooked position on the guide rail accurately.So compared with prior art, the present invention has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
The foregoing description is illustrative principle of the present invention and effect thereof only, but not is used to limit the present invention.Any personage who has the knack of this technology all can be under spirit of the present invention and category, and the foregoing description is modified or changed.Therefore, have in the technical field under such as and know that usually the knowledgeable modifies or changes not breaking away from all equivalences of being finished under disclosed spirit and the technological thought, must be contained by claim of the present invention.
Claims (9)
1. the control system of a line slideway automatic alignment machine, at least have in the described line slideway automatic alignment machine in order to positive curved surface on the punching press line slideway be pressed into a little the correction pressure head and in order to lean two support members of negative curved face two strong points on the described line slideway respectively, it is characterized in that described control system comprises at least:
The type selecting module behind the property parameters in order to the described line slideway that detects user's input, generates type and specification data, and set up the correction model of described guide rail on the rail level on two relative vertical direction;
The vector analysis module, connect described type selecting module, in order to all curved sections on two adjacent rail levels of the described line slideway of statistical analysis, and the curvature that calculates each curved section is pressed into a little with the positive curved surface that obtains each curved section and the position coordinates and the amount of being pressed into of negative curved face two strong points, size according to each curved section curvature is that priority sorts then, to determine the priority punching press order of each curved section;
The Stroke Control module connects described type selecting module, in order to set the maximum modified amount of a datum line and described correction pressure head and two support members according to the type of described line slideway;
The alignment control module, connect described Stroke Control module and vector analysis module, lean respectively on negative curved face two strong points of selected curved section in order to drive described two support members, and the positive curved surface that the datum line of reference settings drives the selected curved section of described correction pressure head punching press is pressed into a little to carry out the alignment operation, and after alignment is finished, measure, generate the alignment daily record to confirm qualified back;
DBM, connect described type selecting module, Stroke Control module and alignment control module, in order to store the property parameters of polytype line slideway, and correction model, maximum modified amount and alignment daily record in order to store described line slideway, so that do stroke compensation variable and data correction when the curved section of time priority carries out alignment.
2. the control system of line slideway automatic alignment machine according to claim 1, it is characterized in that: described alignment control module also comprises a verification unit, whether the alignment that is used for testing after alignment is finished is qualified, when check alignment when being defective, according to the datum line that preestablishes the stroke and the direction of described correction pressure head and two support members are revised, and be recorded in the alignment daily record.
3. the control system of line slideway automatic alignment machine according to claim 1, it is characterized in that: described control system also comprises output module, connect described DBM, be used to export correction model, maximum modified amount and the alignment daily record that described DBM stores.
4. the control system of line slideway automatic alignment machine according to claim 3 is characterized in that: described output module is a display unit or printing equipment.
5. the control system of line slideway automatic alignment machine according to claim 1 is characterized in that: described line slideway automatic alignment machine also comprises the pneumatic and hydraulic system of being made up of pumping plant, manifold valve group, execution gas, oil cylinder and control loop at least.
6. the control system of line slideway automatic alignment machine according to claim 5, it is characterized in that: described control system also has gas-liquid heat treatment module, be used to detect the temperature of described pneumatic and hydraulic system, to guarantee self thermal balance of described line slideway automatic alignment machine.
7. the control system of line slideway automatic alignment machine according to claim 1 is characterized in that: described type selecting module also comprises the one scan unit, in order to detect the laggard line scanning of described line slideway to differentiate type behind the described line slideway.
8. the control system of line slideway automatic alignment machine according to claim 7 is characterized in that: described scanning element is a laser scanning device or grating chi device.
9. the control system of line slideway automatic alignment machine according to claim 1 is characterized in that: the property parameters of described line slideway is the guide rail code name.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110027794A CN102151720B (en) | 2011-01-26 | 2011-01-26 | Control system of automatic straightener for linear guide rails |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110027794A CN102151720B (en) | 2011-01-26 | 2011-01-26 | Control system of automatic straightener for linear guide rails |
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| CN102151720A true CN102151720A (en) | 2011-08-17 |
| CN102151720B CN102151720B (en) | 2012-09-05 |
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Cited By (9)
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| CN102601166A (en) * | 2012-03-05 | 2012-07-25 | 上海海事大学 | Straightening method based on support vector machine for workpiece deformation |
| CN105156372A (en) * | 2015-10-22 | 2015-12-16 | 太原科技大学 | Pump-valve compound control hydraulic system for full-hydraulic straightener |
| CN105834252A (en) * | 2016-05-26 | 2016-08-10 | 淮南市鸿裕工业产品设计有限公司 | Fixed-point instruction control device for man-machine operation direction of straightening machine |
| CN108213941A (en) * | 2018-01-02 | 2018-06-29 | 大连理工大学 | A kind of the linear guide segmentation based on theory of mechanics control tunes up installation method |
| CN108655721A (en) * | 2018-06-29 | 2018-10-16 | 江苏元利数控机床有限公司 | A kind of device and its application method of precise straightening the linear guide |
| WO2020062362A1 (en) * | 2018-09-28 | 2020-04-02 | 苏春光 | Straightening method, straightening device applying same and guide rail straightening machine |
| CN113312718A (en) * | 2021-05-25 | 2021-08-27 | 上海中联重科桩工机械有限公司 | Electromechanical and hydraulic simulation method and device |
| CN114260651A (en) * | 2021-12-24 | 2022-04-01 | 宁夏巨能机器人股份有限公司 | Auxiliary unit system for trailer axle production |
| CN116416774A (en) * | 2022-12-16 | 2023-07-11 | 四川大学 | On-line monitoring system and monitoring method for roll forming quality of frame girder |
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| CN114260651A (en) * | 2021-12-24 | 2022-04-01 | 宁夏巨能机器人股份有限公司 | Auxiliary unit system for trailer axle production |
| CN116416774A (en) * | 2022-12-16 | 2023-07-11 | 四川大学 | On-line monitoring system and monitoring method for roll forming quality of frame girder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102151720B (en) | 2012-09-05 |
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