CN202317181U - Free curved-surface-type component processing device - Google Patents
Free curved-surface-type component processing device Download PDFInfo
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- CN202317181U CN202317181U CN2011204203986U CN201120420398U CN202317181U CN 202317181 U CN202317181 U CN 202317181U CN 2011204203986 U CN2011204203986 U CN 2011204203986U CN 201120420398 U CN201120420398 U CN 201120420398U CN 202317181 U CN202317181 U CN 202317181U
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Abstract
The utility model discloses a free curved-surface-type component processing device based on the integrated measurement of multiple sensors, which is characterized in that: a curved surface measurement module integrated a non-contact sensor and a contact-type sensor, the curved-surface processing module is provided with a milling cutter for milling, and the curved-surface measurement module is connected with the curved-surface processing module through a straight lead rail; a point cloud processing module is used for performing the geometric processing of point cloud data obtained by the non-contact sensor, and a processing code G which can be directly executed by the present worktable is supplied for the curved-surface processing module to process; the curved-surface measurement module is used for performing the non-contact measurement of a work-piece and then is used for performing the contact-type measurement of a product which is precisely processed; and a quality detection module is used for performing the error comparison on the measurement data obtained by the contact-type sensor so as to obtain the quality result of the product. The free curved-surface-type component processing device integrates the non-contact sensor and the contact-type sensor, so integration of measurement, processing and detection on one machine tool can be realized, the entire process is free from the manual interference, and the processing efficiency and the automation degree can be improved.
Description
Technical field
The utility model relates to processing technique field, is specifically related to a kind of free form surface class part processing device based on multi-sensor integral measuring.
Background technology
In recent years, free form surface class part (like automobile panel and blade of aviation engine etc.) is used widely in industries such as automobile, aircraft and household electrical appliances, realizes that the rapid processing manufacturing of free form surface class part receives people's common concern.To target to be measured, at first need set up the position relation of target between lathe coordinate system and design coordinate system.Traditional method utilizes contactless method that blank is carried out entire scan, and the computer memory rigid body transformation relation makes the processed file in the design coordinate system in lathe coordinate system, come into force; Product after utilizing the contact method to processing carries out contact type measurement, accomplishes product quality and detects.Owing under different platform, carry out contactless and contact type measurement, relate to repeatedly dismantle, carrying, clamping etc., working (machining) efficiency is low and automaticity is low.
At present, Zhejiang University has proposed the method and system (number of patent application 200610155284.7) that the integrated multi-sensor measurement data is carried out copying.Yet this system of processing is placed on measurement of curved surface assembly and Milling Process assembly on the same machine tool chief axis.Need the artificial dismounting measurement mechanism of participating in to carry out follow-up Milling Process, for single-piece, small lot batch manufacture, working (machining) efficiency is low and do not satisfy the requirement of flexible manufacturing.In addition, this system can't carry out quality testing to the product after the fine finishining under identical platform.
Summary of the invention
The purpose of the utility model is to overcome above-mentioned deficiency of the prior art, and a kind of free form surface class part processing device based on multi-sensor integral measuring is provided, and it is integrated to satisfy " measurement-processing-detection " that relates in the manufacturing of product rapid processing.
A kind of free form surface class part processing device that the utility model provides; It is characterized in that this device comprises first traveller gantry, first slide block, measurement main shaft, noncontacting proximity sensor, touch sensor, first line slideway, lathe, second traveller gantry, second slide block, machining spindle, detachable milling cutter, second line slideway, workbench, anchor clamps, spherical displacer, the 3rd line slideway, data processor and PC;
First traveller gantry is installed on the lathe through first line slideway, and first slide block is installed on first traveller gantry, measures main shaft and is installed on first slide block, measures main shaft and is connected with data processor through data wire; Noncontacting proximity sensor and touch sensor are installed in to be measured on the main shaft, and touch sensor is connected with PC through data wire;
Second traveller gantry is installed on the lathe through second line slideway; First, second traveller gantry is parallel to each other; Second slide block is installed on second traveller gantry, and machining spindle is installed on second slide block, and machining spindle is connected with data processor through data wire; Detachable milling cutter is installed on the machining spindle; Workbench is installed on the lathe through the 3rd line slideway, and anchor clamps and spherical displacer are fixedly mounted on the workbench, and spherical displacer and workbench relative position are constant, workpiece through clamps on workbench.
Compared with prior art, the utlity model has following advantage:
(1) the utility model is with contactless integrated in the measurement of curved surface assembly with two kinds of sensors of contact.Utilize on the one hand non-contact measurement speed fast, obtain the big characteristics of data volume, calculate the spatial relation of target fast with the design coordinate system, being used to generate under the lathe coordinate system can direct applied processing G code; On the other hand, utilize the high characteristics of contact type measurement precision, the product after the processing is carried out quality testing.Therefore, compare with existing processing unit (plant), the utility model can realize that on same lathe " measurement-processing-detection " is integrated.
(2) the utility model is realized the automation transmission of target in measurement of curved surface assembly-Machining of Curved Surface assembly through line slideway.After accomplishing non-contact measurement, workpiece is sent to the Machining of Curved Surface assembly according to control command.After accomplishing fine finishining, the product after will processing again turns back to the measurement of curved surface assembly, carries out contact type measurement.Whole process need not artificial the participation, has avoided repeatedly dismantling, carrying, clamping process, has improved working (machining) efficiency.Therefore, the utility model is adapted to the rapid processing manufacturing of many kinds, small lot free form surface class part especially.
In a word, this device is integrated contactless and two kinds of sensors of contact realize that on same lathe " measurement-processing-detection " is integrated, and whole process need not manual intervention, has improved working (machining) efficiency and automaticity.
Description of drawings
Fig. 1 is the structure letter view based on the free form surface class part processing device of multi-sensor integral measuring.
Fig. 2 is the workflow diagram based on the free form surface class part processing device of multi-sensor integral measuring.
Fig. 3 is the structural representation of a kind of specific embodiment of the utility model device.
The specific embodiment
The utility model arrives together with two kinds of sensors of contact are integrated contactless.Utilize on the one hand non-contact measurement speed fast, obtain the big characteristics of data volume, calculate the spatial relation of target fast with the design coordinate system, being used to generate under the lathe coordinate system can direct applied processing G code; On the other hand, utilize the high characteristics of contact type measurement precision, the product after the processing is carried out quality testing.
As shown in Figure 1, comprise four work packages based on the free form surface class part processing device of multi-sensor integral measuring: measurement of curved surface assembly, some cloud processing components, Machining of Curved Surface assembly and quality testing assembly.
The measurement of curved surface assembly is integrated contactless and two kinds of sensors of contact are used for that target to be measured is carried out discretization and measure.The Machining of Curved Surface assembly is equipped with milling uses milling cutter, is used for workpiece is carried out roughing and fine finishining.The measurement of curved surface assembly is connected through line slideway with the Machining of Curved Surface assembly, realizes the automation transmission of target in measurement of curved surface assembly and Machining of Curved Surface assembly.
Point cloud processing components comprises server; Be used for the cloud data that noncontacting proximity sensor obtains is carried out geometric manipulations such as denoising, filling-up hole and amalgamation; Data after utilization is handled and known three dimensional design parametric surface; Calculate the spatial relation of workpiece between work at present platform and design coordinate system, be transformed into the processing G code that the work at present platform can directly be carried out, offer the Machining of Curved Surface assembly and process thereby will design the processed file that generates under the coordinate system.
Noncontacting proximity sensor in the measurement of curved surface assembly is sent to the Machining of Curved Surface assembly according to control command with workpiece after accomplishing non-contact measurement.After accomplishing fine finishining, the product after will processing again turns back to touch sensor, carries out contact type measurement.
The quality testing assembly comprises a PC, is used for the high accuracy measuring point that touch sensor obtains is carried out error ratio, estimates product quality.
The workflow of the utility model device is as shown in Figure 2.
Below in conjunction with accompanying drawing and embodiment the free form surface class part processing device based on multi-sensor integral measuring that the utility model proposes is explained further details.Be to be noted that described embodiment only is intended to be convenient to the understanding to the utility model, and it is not played any restriction.Every common variation and replacement of in the utility model technical scheme, carrying out all should be listed the protection domain of the utility model in.
As shown in Figure 3, in this instance, said measurement of curved surface assembly comprises first traveller gantry 21, first slide block 22, measures main shaft 23, noncontacting proximity sensor 24, touch sensor 25 and first line slideway 26; Said Machining of Curved Surface assembly comprises lathe 1, second traveller gantry 71, second slide block 72, machining spindle 73, detachable milling cutter 74, second line slideway 75, workbench 31, anchor clamps 32, spherical displacer 34 and the 3rd line slideway 5.Point cloud processing components adopts data processor 8, and the quality testing assembly adopts PC 4.
First, second traveller gantry 21,71 is installed on the lathe 1 through first, second line slideway 26,75 respectively; First, second traveller gantry 21,71 is parallel to each other; First, second slide block 22,72 is installed in respectively on first, second traveller gantry 21,71; Measuring main shaft 23 is installed on first slide block 22; Machining spindle 73 is installed on second slide block 72, measures noncontacting proximity sensor 24 and touch sensor 25 are installed on the main shaft 23, and touch sensor 25 is connected with PC 4 through data wire.Detachable milling cutter 74 is installed on the machining spindle 73.Data processor 8 through data wire with measure main shaft 23 and machining spindle 73 and be connected, data of obtaining from measurement main shaft 23, and machining spindle 73 information of carrying out transmitted.Workbench 31 is installed on the lathe 1, is moveable to Working position 6 through the 3rd line slideway 5, and anchor clamps 32 are installed on the workbench 31 with spherical displacer 34, and spherical displacer 34 is constant with workbench 31 relative positions, and workpiece 33 is fixed on the workbench 31 through anchor clamps 32.
Wherein, First, second traveller gantry 21,71 can move on X-direction along first, second line slideway 26,75; First, second slide block 22,72 can move on Y direction along first, second traveller gantry 21,71; Measure the multisensor measurement function of integrated contactless and contact of main shaft 23, respectively corresponding noncontacting proximity sensor 24, touch sensor 25, the first, touch sensor 24,25 can rotate a certain angle along X, Y axle; Spherical displacer 34 is demarcated noncontacting proximity sensor 24, touch sensor 25 before being used for measuring.
The 1st step at first was placed on workpiece 33 on the work at present platform 31, adopted 24 pairs of workpiece 33 of non-contact sensor to measure.Non-contact sensor measuring speed based on line laser scanning is fast, can gather 1000-100000 some each second, therefore can obtain the three-dimensional data on workpiece 33 surfaces in the short period of time.When carrying out non-contact scanning, touch sensor 25 is moved to multisensor along the Z axle measure in the main shaft 23, touch sensor and workpiece bump in the scanning process to avoid.
The 2nd step, the cloud data that the 1st step was scanned was input in the data processor 8 then.The influence of being measured background, measuring factors such as the visual angle is limited, the noncontacting proximity sensor directly data of scanning exists noise, loss of data and a plurality of independently measurement data point sets etc. usually.In data processor 8, adopt business-like process software to remove noise, repair cavity and data amalgamation etc., obtain complete cloud data.Utilize this cloud data, adopt ADF (Adaptive Distance Function) algorithm find the solution workpiece 33 in the lathe coordinate system with the rigid body translation parameter g=of designed surface in the design coordinate systems (R, t), wherein R representes rotation parameter, t representes translation parameters.And then, will design the processed file that generates under the coordinate system by g and convert the processing G code that lathe can read into.
The processing G code that the 3rd step calculated for the 3rd step is input in second slide block 72, simultaneously workbench 31 is moved to Working position 6 along the 3rd line slideway 5.Because variation has taken place in the position of workpiece 33, need suitably to upgrade the processing G code and generate current cutter path.Along the cutter path of calculating, carry out roughing and fine finishining successively, the product after can obtaining to process.Cutter moves respectively by second line slideway 75, second slide block 72 and machining spindle 73 controls along the straight line of X, Y, Z axle in the milling process.
The 4th step is last; Along the reverse travelling table of X axle; Through touch sensor the 3rd step product processed is measured; On a small amount of high accuracy measuring point input PC 4 that obtains, adopt ADF (Adaptive Distance Function) algorithm to find the solution product in the lathe coordinate system with the rigid body translation parameter g ' of designed surface in the design coordinate system=(R ', t ').Before carrying out the ADF iterative, (R t) upgrades measurement data, can significantly reduce the ADF number of iterations, improves computational efficiency to utilize the rigid body translation parameter g=that the 2nd step calculated.After the ADF iteration is stable,, and compare, then think qualified products, otherwise think that product is defective and import and scrap instruction than known threshold values is little with preset threshold values by the mean value error of g ' calculatings high accuracy measuring point with the design parameter curved surface.
In the present embodiment, all X, Y, Z axle rectilinear motion are controlled by the precision ball screw motion of driven by servomotor, to guarantee kinematic accuracy and reliability.Because the precision ball screw motion of driven by servomotor is familiar with by this area, is not described in detail at this.
Claims (1)
1. free form surface class part processing device; It is characterized in that this device comprises first traveller gantry (21), first slide block (22), measurement main shaft (23), noncontacting proximity sensor (24), touch sensor (25), first line slideway (26), lathe (1), second traveller gantry (71), second slide block (72), machining spindle (73), detachable milling cutter (74), second line slideway (75), workbench (31), anchor clamps (32), spherical displacer (34), the 3rd line slideway (5), data processor (8) and PC (4);
First traveller gantry (21) is installed on the lathe (1) through first line slideway (26); First slide block (22) is installed on first traveller gantry (21); Measure main shaft (23) and be installed on first slide block (22), measure main shaft (23) and be connected with data processor (8) through data wire; Noncontacting proximity sensor (24) and touch sensor (25) are installed in to be measured on the main shaft (23), and touch sensor (25) is connected with PC (4) through data wire;
Second traveller gantry (71) is installed on the lathe (1) through second line slideway (75); First, second traveller gantry (21), (71) are parallel to each other; Second slide block (72) is installed on second traveller gantry (71); Machining spindle (73) is installed on second slide block (72), and machining spindle (73) is connected with data processor (8) through data wire; Detachable milling cutter (74) is installed on the machining spindle (73); Workbench (31) is installed on the lathe (1) through the 3rd line slideway (5); Anchor clamps (32) and spherical displacer (34) are fixedly mounted on the workbench (31); And spherical displacer (34) is constant with workbench (31) relative position, and workpiece (33) is fixed on the workbench (31) through anchor clamps (32).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204203986U CN202317181U (en) | 2011-10-28 | 2011-10-28 | Free curved-surface-type component processing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011204203986U CN202317181U (en) | 2011-10-28 | 2011-10-28 | Free curved-surface-type component processing device |
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| CN202317181U true CN202317181U (en) | 2012-07-11 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430961A (en) * | 2011-10-28 | 2012-05-02 | 华中科技大学 | Free-form surface part processing system based on multi-sensor integrated measurement technology |
| CN106546270A (en) * | 2017-01-11 | 2017-03-29 | 诺伯特智能装备（山东）有限公司 | A kind of robot localization precision tester and contact measurement method |
| CN110586497A (en) * | 2019-09-09 | 2019-12-20 | 上海博元信息科技有限公司 | High-precision multi-sensor size detection device and data acquisition and processing system thereof |
-
2011
- 2011-10-28 CN CN2011204203986U patent/CN202317181U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430961A (en) * | 2011-10-28 | 2012-05-02 | 华中科技大学 | Free-form surface part processing system based on multi-sensor integrated measurement technology |
| CN102430961B (en) * | 2011-10-28 | 2013-10-30 | 华中科技大学 | Free-form surface part processing system based on multi-sensor integrated measurement technology |
| CN106546270A (en) * | 2017-01-11 | 2017-03-29 | 诺伯特智能装备（山东）有限公司 | A kind of robot localization precision tester and contact measurement method |
| CN106546270B (en) * | 2017-01-11 | 2023-07-21 | 诺伯特智能装备（山东）有限公司 | Robot positioning precision tester and contact type measuring method |
| CN110586497A (en) * | 2019-09-09 | 2019-12-20 | 上海博元信息科技有限公司 | High-precision multi-sensor size detection device and data acquisition and processing system thereof |
| CN110586497B (en) * | 2019-09-09 | 2024-03-19 | 舆创智能科技(上海)有限公司 | High-precision multi-sensor size detection device and data acquisition and processing system thereof |
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| C14 | Grant of patent or utility model | ||
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20131028 |