CN214747770U - High-efficient high accuracy measuring equipment of special car battery tray - Google Patents
High-efficient high accuracy measuring equipment of special car battery tray Download PDFInfo
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- CN214747770U CN214747770U CN202120754650.0U CN202120754650U CN214747770U CN 214747770 U CN214747770 U CN 214747770U CN 202120754650 U CN202120754650 U CN 202120754650U CN 214747770 U CN214747770 U CN 214747770U
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Abstract
The utility model discloses a high-efficiency high-precision measuring device of a special automobile battery tray, which comprises an equipment base and a marble bottom plate, wherein the marble bottom plate is arranged on the outer wall of the center of the upper end of the equipment base, the left side of the marble bottom plate is provided with a guide rail B, the right side of the marble bottom plate is provided with a guide rail A, and the left end of the guide rail B is provided with a linear motor, the invention develops a set of special scanning measuring system for the battery tray, namely the high-efficiency high-precision measuring device of the special automobile battery tray, the novel high-efficiency high-precision measuring device adopts a gantry frame structure, carries a plurality of high-precision three-dimensional line lasers, performs the scanning measurement of the surface of a part by a light cutting method, and finally outputs the measuring result, the novel high-efficiency high-precision measuring device of the special automobile battery tray not only has high efficiency and high precision, but also has flexible measuring capability, meanwhile, the intellectualization of an algorithm and software can be conveniently realized, and manual intervention and switching are not needed.
Description
Technical Field
The utility model belongs to the technical field of battery tray measuring equipment is relevant, concretely relates to high-efficient high accuracy measuring equipment of special car battery tray.
Background
With the rapid development of new energy automobiles in China, the requirements of production and manufacturing of the battery tray are continuously improved as an important structural component, the online size detection becomes the standard configuration of a production line of the battery tray in order to ensure the quality reliability of the battery tray, the scheme of the laser radar adopted by the United states Tesla is recommended to be applied to the domestic main battery tray production enterprises of the Ningde times, the Ministry of Ministry, the Lingyun group, the Shangshi Keli die and the like.
The existing automobile battery tray measuring technology has the following problems: the existing special automobile battery tray is measured by adopting a laser radar, and compared with a three-coordinate measuring machine, the laser radar has higher efficiency and better flexibility, but the main problem of the existing special automobile battery tray is that a metering-level laser radar product is monopolized by Nikon corporation of Japan, the price is high, the service is poor, the problem of poor far-end precision exists, particularly along with the rapid development of the new energy automobile market in China, due to the structural problem of the laser radar, the three-dimensional data acquisition efficiency is not high, and the overall measurement beat can not meet the requirements of higher and higher production beats.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-efficient high accuracy measuring equipment of special car battery tray to the laser radar who proposes in solving above-mentioned background art compares that the main problem that exists in three-coordinate measuring machine lies in the price height, and poor service, its true relatively poor problem of distal end precision still exists, and because the structure problem of laser radar itself, the efficiency that three-dimensional data acquireed is not high, and the measurement beat of its totality also can't satisfy the problem that more and more fast-speed production beat required.
In order to achieve the above object, the utility model provides a following technical scheme: a high-efficiency high-precision measuring device special for an automobile battery tray comprises a device base and a marble bottom plate, wherein the marble bottom plate is installed on the outer wall of the center of the upper end of the device base, a guide rail B is arranged on the left side of the marble bottom plate, a guide rail A is arranged on the right side of the marble bottom plate, a linear motor is arranged at the left end of the guide rail B, a driving seat is connected to the outer portion of the front side of the guide rail B, a connecting slide seat is connected to the upper end of the front side of the guide rail A, the driving seat is in transmission connection with the linear motor, a gantry mechanism is connected to the upper ends of the driving seat and the connecting slide seat, a three-dimensional line laser group is arranged at the bottom of the gantry mechanism, the three-dimensional line laser group comprises a three-dimensional line laser sensor, a calibration system and angle adjustment, the calibration system is fixedly connected with the gantry mechanism, and a plurality of angle adjustment are arranged at the lower end of the calibration system, and the lower ends of the angle adjustment devices are provided with three-dimensional line laser sensors.
Preferably, the outer wall of the upper end of the marble bottom plate is maintained in a horizontal state after the marble bottom plate is connected to the upper end of the equipment base, and the marble bottom plate has high and low temperature resistance.
Preferably, the guide rail B and the linear motor matched grating ruler are fed back to jointly form a moving guide rail structure, and the linear motor can drive a driving seat on the guide rail B forwards and backwards.
Preferably, the heights of the guide rail A and the guide rail B are equal, and the bottoms of the two ends of the gantry mechanism are respectively in a horizontal installation state after the installation of the driving seat and the connecting sliding seat is finished.
Preferably, the three-dimensional line laser sensor can realize integral light-section scanning and measurement on the upper surface of the product, and the angle adjustment can adjust the use angle of the three-dimensional line laser sensor to adapt to the measurement requirement of an individual product.
Compared with the prior art, the utility model provides a high-efficient high accuracy measuring equipment of special car battery tray possesses following beneficial effect:
1. the utility model develops a set of special scanning and measuring system aiming at the battery tray, namely a special high-efficiency high-precision measuring device for the battery tray of the automobile, the novel high-efficiency high-precision measuring device adopts a gantry frame structure, carries a plurality of high-precision three-dimensional line lasers, performs the scanning and measuring of the surface of a part by a light cutting method, and finally outputs the measuring result, the novel high-efficiency high-precision measuring device for the special battery tray of the automobile not only has high efficiency (the scanning speed of 100 mm/s), high precision (the feedback control of a high-precision grating ruler and the high-precision point cloud quality reach the comprehensive measuring precision within 0.1 mm), but also has flexible measuring capability, can conveniently realize the intellectualization of an algorithm and software at the same time, does not need manual intervention and switching, because the existing special battery tray of the automobile adopts a laser radar to measure, compared with a three-coordinate measuring machine, the laser radar has higher efficiency and better flexibility, but has the main problems that a metering-grade laser radar product is monopolized by Nikon corporation of Japan, has high price and poor service, and has the problem of poorer remote precision, particularly along with the rapid development of the new energy automobile market in China, because of the structural problem of the laser radar, the efficiency of three-dimensional data acquisition is not high, the overall measurement tempo of the laser radar product cannot meet the requirements of higher and higher production tempos, the novel high-efficiency high-precision measuring equipment of the special automobile battery tray can perfectly solve various defects generated by the existing laser radar measurement, the overall mechanism of the novel high-efficiency high-precision measuring equipment of the special automobile battery tray is of a gantry frame structure, the reliable stability is ensured, and the floor adopts a marble platform, the device has the advantages that the device is not influenced by temperature and the like, a relatively stable motion platform and a product positioning reference are obtained, the motion mechanism adopts a motion guide rail structure fed back by a linear motor matched with a grating ruler, efficient motion is guaranteed, high-precision control can be realized, the three-dimensional line laser group is integrally calibrated and then installed on a gantry mechanism, integral optical cut scanning and measurement of the upper surface of a product are realized, a background software system processes, analyzes and calculates point clouds in real time, and a measurement result is efficiently output.
2. The utility model discloses compare with the characteristics of current laser radar measurement technique main existence have: firstly, the efficiency is high, here adopts a linear motor, can reach the scanning precision of at least 200mm/s, take a battery tray with the length of 2.4m as an example, the complete scanning of the upper surface is completed only by 12 seconds, the point cloud with high quality and comprehensive information is obtained, simultaneously, a high-frequency three-dimensional line laser sensor is adopted, can reach more than 20000Hz, which means the resolution ratio of at least 0.01mm, here, a data lightweight method is adopted to carry out the high-efficiency processing and operation of the point cloud, thereby the whole scanning and measuring process can be completed in about 20 seconds, the efficiency is more than 10 times of the efficiency of the most efficient measuring system, secondly, the precision is high, the marble platform enables the whole guide rail to have a stable motion base, the high-precision grating ruler feedback enables the positioning precision to reach the u-grade precision, the u-grade high-precision line laser sensor is also adopted, and the high-frequency is adopted, in summary, the accuracy of the VDE/VDI of the system can reach 0.05mm, considering the influence of positioning and deformation of the product itself, the comprehensive accuracy of the system is less than 0.1mm and exceeds the accuracy of a competitor (the accuracy of the competitor is in the range of 0.1-0.3 mm), and the flexibility is good.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
fig. 1 is a schematic view of a three-dimensional structure of a high-efficiency high-precision measuring device of a special automobile battery tray provided by the utility model;
fig. 2 is a schematic view of a planar structure of a high-efficiency high-precision measuring device of a special automobile battery tray provided by the utility model;
fig. 3 is a schematic view of a planar structure of a three-dimensional line laser group provided by the present invention;
in the figure: 1. a driving seat; 2. an equipment base; 3. a gantry mechanism; 4. a three-dimensional line laser group; 5. connecting the sliding seat; 6. a guide rail A; 7. a marble floor; 8. a linear motor; 9. a guide rail B; 10. a three-dimensional line laser sensor; 11. calibrating the system; 12. and (6) angle adjustment.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a high-efficiency high-precision measuring device special for an automobile battery tray comprises a device base 2 and a marble bottom plate 7, wherein the marble bottom plate 7 is installed on the outer wall of the center of the upper end of the device base 2, the marble bottom plate 7 is connected to the upper end of the device base 2, the outer wall of the upper end of the marble bottom plate 7 is kept in a horizontal state, the marble bottom plate 7 has high and low temperature resistance, a guide rail B9 and a grating ruler matched with a linear motor 8 are fed back to jointly form a motion guide rail structure, the linear motor 8 can drive a driving seat 1 on a guide rail B9 back and forth, the overall mechanism of the system is of a gantry frame structure, the reliable stability is ensured, the floor adopts a marble platform, the influence of temperature and the like is avoided, a stable motion platform and a product positioning reference are obtained, the motion mechanism adopts a motion guide rail structure fed back by the grating ruler matched with the linear motor 8, the efficient motion is ensured, the high-precision control can be realized, the left side of the marble bottom plate 7 is provided with a guide rail B9, the right side of the marble bottom plate 7 is provided with a guide rail A6, the heights of the guide rail A6 and the guide rail B9 are equal, the bottoms of the two ends of the gantry mechanism 3 are respectively in a horizontal installation state after the installation through the driving seat 1 and the connecting slide carriage 5, the left end of the guide rail B9 is provided with a linear motor 8, the linear motor 8 can reach the scanning precision of at least two hundred millimeters per second, taking a battery tray with the length of two points and four meters as an example, the complete scanning of the upper surface is completed in twelve seconds to obtain the point cloud with high quality and comprehensive information, the outside of the front side of the guide rail B9 is connected with a driving seat 1, the upper end of the front side of the guide rail A6 is connected with a connecting slide carriage 5, the driving seat 1 is in transmission connection with the linear motor 8, the upper ends of the driving seat 1 and the connecting slide carriage 5 are connected with the gantry mechanism 3, the bottom of the gantry mechanism 3 is provided with a three-dimensional linear laser group 4, the three-dimensional line laser group 4 comprises a three-dimensional line laser sensor 10, a calibration system 11 and angle adjustments 12, the calibration system 11 is fixedly connected with a gantry mechanism 3, the lower end of the calibration system 11 is provided with a plurality of angle adjustments 12, the lower ends of the angle adjustments 12 are all provided with the three-dimensional line laser sensor 10, the three-dimensional line laser sensor 10 can realize integral optical cut scanning and measurement on the upper surface of a product, the angle adjustments 12 can adjust the using angle of the three-dimensional line laser sensor 10 to adapt to the measurement requirement of individual products, the three-dimensional line laser group 4 is required to realize integral calibration and then is arranged on the gantry mechanism 3 to realize integral optical cut scanning and measurement on the upper surface of the product, the frequency of the three-dimensional line laser sensor 10 can reach more than two ten thousand hertz, which means the resolution of at least zero millimeter, and the high-efficiency processing and operation of point cloud are required to be carried out by adopting a data zero point light weight method, therefore, the whole scanning measurement process can be finished in about twenty seconds, and the efficiency is more than ten times that of the existing most efficient measurement system.
The utility model discloses a theory of operation and use flow: after the utility model is installed, when the high-efficiency high-precision measuring device of the special automobile battery tray is used, the bottoms of the left and right ends of the portal mechanism 3 are respectively attached to the connecting slide 5 at the upper end of the guide rail A6 and the driving seat 1 on the guide rail B9, the portal mechanism 3 is required to be installed and fixed, then the three-dimensional line laser group 4 is required to be installed on the portal mechanism 3, the three-dimensional line laser group 4 is connected with the background software system by a network, then the battery tray to be measured can be placed at the upper end of the marble bottom plate 7, and the whole high-efficiency high-precision measuring device of the special automobile battery tray is started to measure the battery tray, wherein the moving mechanism adopts a moving guide rail structure fed back by a grating ruler matched with a linear motor 8, the high-efficiency movement is guaranteed, the high-precision control can be realized, the three-dimensional line laser group 4 is required to realize the integral calibration, then the device is arranged on a gantry mechanism 3 to realize integral optical cutting scanning and measurement on the upper surface of a product, a background software system processes, analyzes and calculates point clouds in real time and efficiently outputs a measurement result, a linear motor 8 on a guide rail B9 can reach the scanning precision of at least two hundred millimeters per second, a battery tray with the length of two points and four meters is taken as an example, the complete scanning of the upper surface is completed in twelve seconds to obtain the point clouds with high quality and comprehensive information, meanwhile, a high-frequency three-dimensional line laser sensor 10 is adopted to reach more than two ten thousand hertz, which means the resolution of at least zero point and one millimeter, a data lightweight method is adopted to perform efficient processing and operation on the point clouds, so that the whole scanning and measuring process can be completed in about twenty seconds, the efficiency is more than ten times that of the traditional most efficient measuring system, and the marble platform enables the whole guide rail to have a stable motion base, the high-precision grating scale feedback can enable the positioning precision to reach u-level precision, a u-level high-precision line laser sensor is adopted, and the high-frequency is adopted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a special automobile battery tray's high-efficient high accuracy measuring equipment, includes equipment base (2) and marble bottom plate (7), its characterized in that: the marble bottom plate (7) is arranged on the outer wall of the center of the upper end of the equipment base (2), a guide rail B (9) is arranged on the left side of the marble bottom plate (7), a guide rail A (6) is arranged on the right side of the marble bottom plate (7), a linear motor (8) is arranged at the left end of the guide rail B (9), a driving seat (1) is connected to the outer portion of the front side of the guide rail B (9), a connecting slide seat (5) is connected to the upper end of the front side of the guide rail A (6), the driving seat (1) is in transmission connection with the linear motor (8), a gantry mechanism (3) is connected to the upper ends of the driving seat (1) and the connecting slide seat (5), a three-dimensional line laser group (4) is arranged at the bottom of the gantry mechanism (3), and the three-dimensional line laser group (4) comprises a three-dimensional line laser sensor (10), a calibration system (11) and an angle adjustment (12), the calibration system (11) is fixedly connected with the gantry mechanism (3), a plurality of angle adjustments (12) are arranged at the lower end of the calibration system (11), and three-dimensional line laser sensors (10) are arranged at the lower ends of the angle adjustments (12).
2. The high-efficiency and high-precision measuring equipment for the special automobile battery tray as claimed in claim 1, wherein: the marble bottom plate (7) is connected to the upper end of the equipment base (2) and then the outer wall of the upper end of the marble bottom plate (7) keeps a horizontal state, and the marble bottom plate (7) has high and low temperature resistance.
3. The high-efficiency and high-precision measuring equipment for the special automobile battery tray as claimed in claim 1, wherein: the guide rail B (9) and the linear motor (8) are matched with the grating ruler for feedback to jointly form a moving guide rail structure, and the linear motor (8) can drive the driving seat (1) on the guide rail B (9) forwards and backwards.
4. The high-efficiency and high-precision measuring equipment for the special automobile battery tray as claimed in claim 1, wherein: the height of the guide rail A (6) is equal to that of the guide rail B (9), and the bottoms of the two ends of the gantry mechanism (3) are respectively in a horizontal installation state after the installation of the driving seat (1) and the connecting sliding seat (5) is finished.
5. The high-efficiency and high-precision measuring equipment for the special automobile battery tray as claimed in claim 1, wherein: the three-dimensional line laser sensor (10) can realize integral light-section scanning and measurement on the upper surface of a product, and the angle adjustment (12) can adjust the use angle of the three-dimensional line laser sensor (10) to adapt to the measurement requirement of an individual product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120754650.0U CN214747770U (en) | 2021-04-11 | 2021-04-11 | High-efficient high accuracy measuring equipment of special car battery tray |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120754650.0U CN214747770U (en) | 2021-04-11 | 2021-04-11 | High-efficient high accuracy measuring equipment of special car battery tray |
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| CN214747770U true CN214747770U (en) | 2021-11-16 |
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| CN202120754650.0U Active CN214747770U (en) | 2021-04-11 | 2021-04-11 | High-efficient high accuracy measuring equipment of special car battery tray |
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- 2021-04-11 CN CN202120754650.0U patent/CN214747770U/en active Active
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