CN210486809U - Workpiece detection device - Google Patents
Workpiece detection device Download PDFInfo
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- CN210486809U CN210486809U CN201921582780.XU CN201921582780U CN210486809U CN 210486809 U CN210486809 U CN 210486809U CN 201921582780 U CN201921582780 U CN 201921582780U CN 210486809 U CN210486809 U CN 210486809U
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Abstract
The utility model discloses a workpiece detection device, which comprises a jig for clamping workpieces; the rotary driving assembly comprises a Z-axis rotary module and an X-axis rotary module, wherein the rotary output end of the X-axis rotary module is connected with the Z-axis rotary module, and a jig is fixedly arranged at the rotary end of the Z-axis rotary module; the scanning assembly is used for scanning the outer contour of a workpiece and comprises a non-contact displacement sensor arranged above the workpiece, a confocal spectrometer and a laser scanner which are arranged below the non-contact displacement sensor, and the confocal spectrometer and the laser scanner are arranged oppositely; the rotary driving component is arranged at the moving end of the horizontal driving component, and the horizontal driving component can at least drive the workpiece to do linear translation motion along the X-axis direction. The workpiece detection device can acquire the surface characteristics of the product at a high precision and a plurality of angles, and improves the detection precision and the detection efficiency.
Description
Technical Field
The utility model belongs to the technical field of the 3C manufacturing technology and specifically relates to a work piece detection device is related to.
Background
3C product need detect the overall dimension of product in manufacturing process, mainly adopts artifical manual detection at present, and this detection mode can influence detection efficiency and need spend a large amount of human costs.
The problem of large detection error still exists in the adoption manual detection, can't satisfy current production demand.
SUMMERY OF THE UTILITY MODEL
The utility model discloses main aim at provides a work piece detection device solves the problem that work piece measurement of efficiency and precision are low.
A workpiece inspection apparatus comprising: the jig is used for clamping a workpiece; the rotary driving assembly comprises a Z-axis rotary module and an X-axis rotary module, wherein the rotary output end of the X-axis rotary module is connected with the Z-axis rotary module, and a jig is fixedly arranged at the rotary end of the Z-axis rotary module; the scanning assembly is used for scanning the outer contour of a workpiece and comprises a non-contact displacement sensor arranged above the workpiece, a confocal spectrometer and a laser scanner which are arranged below the non-contact displacement sensor, and the confocal spectrometer and the laser scanner are arranged oppositely; the rotary driving component is arranged at the moving end of the horizontal driving component, and the horizontal driving component can at least drive the workpiece to do linear translation motion along the X-axis direction.
Further, the non-contact displacement sensor is a confocal spectrometer or a laser scanner.
Further, the horizontal driving assembly comprises an X-axis linear driving module and a Y-axis linear driving module; the moving end of the Y-axis linear driving module is fixedly provided with an X-axis linear driving module, and the moving end of the X-axis linear driving module is fixedly provided with a rotary driving assembly; or the moving end of the X-axis linear driving module is fixedly connected with the Y-axis linear driving module, and the moving end of the Y-axis linear driving module is fixedly provided with the rotary driving assembly.
Furthermore, the rotation driving assembly is fixedly installed at a moving end of the first Z-axis linear driving module, and the first Z-axis linear driving module is installed at a moving end of the X-axis linear driving module or a moving end of the Y-axis linear driving module.
Further, still include first support, be provided with second Z axle linear drive module on the first support, the removal end of second Z axle linear drive module links firmly non-contact displacement sensor.
Further, the confocal spectrometer is fixedly installed on a first support, and the laser scanner is fixedly installed on the first support; the front side and the rear side of the X-axis rotating module are respectively provided with the laser scanner and the confocal spectrometer or the confocal spectrometer and the laser scanner.
Furthermore, the jig is provided with vacuum adsorption holes for adsorbing the workpiece on the upper surface of the jig.
Further, the Z-axis rotation module and the X-axis rotation module each include a DD motor.
The feeding assembly is used for turning the workpiece on the jig for 180 degrees and placing the turned workpiece on the upper surface of the jig.
Further, a stitching system is included for stitching the surface features detected by the scanning assembly to form a 3D model of the workpiece.
By adopting the technical scheme, the following technical effects can be realized:
(1) three groups of non-contact displacement sensors are adopted to scan the workpiece, so that the surface characteristics of the product can be acquired at high precision and multiple angles, and the detection precision and the detection efficiency of the device are improved.
(2) The mode that the workpiece can move and the three groups of non-contact displacement sensors are fixed is adopted, so that the detection precision is prevented from being reduced due to the deviation of the positions of the non-contact displacement sensors.
(3) And automatically splicing the acquired surface characteristics of the workpiece by using a splicing system, establishing a 3D model of a product, and rapidly acquiring the characteristics of the workpiece, such as size parameters and the like, by using the 3D model.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of an embodiment of the present invention;
fig. 2 is a schematic right-side view of a portion of the structure of fig. 1.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without any creative work belong to the protection scope of the present invention.
The utility model provides a workpiece detection device for scan work piece profile, concrete structure can refer to figure 1 to figure 2 and show to the left and right directions that figure 1 is shown is the X direction, and the fore-and-aft direction (perpendicular to paper direction) that figure 1 is shown is the Y direction, and the upper and lower direction that uses figure 1 to show is the Z direction.
This work piece detection device includes tool 3, work piece 5 clamping is on tool 3, this work piece 5 can be battery or cell phone case or 3C touch-sensitive screen etc., tool 3 fixed mounting is in rotation driving subassembly 2, this rotation driving subassembly 2 includes Z axle rotation module 22, X axle rotation module 21, Z axle rotation module 22 is connected to the rotation end of X axle rotation module 21, the rotation end of Z axle rotation module 22 links firmly tool 3, when the action of X axle rotation module 21, will drive Z axle rotation module 22 and tool 3 rotatory round the X axle, when the action of Z axle rotation module 22, will drive tool 3 rotatory round the Z axle, this Z axle rotation module 22 and X axle rotation module 21 all can adopt servo motor or step motor or DD motor etc..
A scanning unit 4 is provided on the outside of the jig 3, the scanning unit 4 includes a non-contact displacement sensor 41 provided above the workpiece 5, a confocal spectrometer 42 provided on one side of the workpiece 5, and a laser scanner 43 provided on the other side of the workpiece 5, and the confocal spectrometer 42 and the laser scanner 43 are located on the lower side of the non-contact displacement sensor 41.
The non-contact displacement sensor 41 disposed above the workpiece 5 is mainly used for scanning the upper surface and/or the lower surface of the workpiece 5, the confocal spectrometer 42 is used for scanning the profile of the workpiece 5 opposite to the confocal spectrometer 42, the laser scanner 43 is used for scanning the profile of the workpiece 5 opposite to the laser scanner 43, the profile includes a curved profile or a transition profile between the upper surface of the workpiece 5 and the side edge of the workpiece 5, when the confocal spectrometer 42 and the laser scanner 43 scan, the workpiece 5 moves horizontally relative to the confocal spectrometer 42 and the laser scanner 43, in this embodiment, the horizontal driving component 1 is connected to the moving end of the horizontal driving component 1, and the horizontal driving component 1 can at least drive the workpiece 5 to make a linear translational motion along the X-axis direction.
The confocal spectrometer 42 has a small scanning range, but can scan the surface profile of the workpiece with low reflectivity; since the scanning range of the laser scanner 43 is large, it cannot satisfy scanning of the surface profile of the workpiece having a low reflectance. In the present embodiment, the confocal spectrometer 42 and the laser scanner 43 are combined, and the outline of the workpiece 5 is scanned by using the advantages of the confocal spectrometer 42 and the laser scanner 43, so that the outline features of the workpiece 5 can be successfully scanned.
The rotation driving assembly 2 drives the workpiece 5 to rotate, so that the workpiece rotates to a set angle along the X axis and the Z axis, when the X axis rotation module 21 drives the workpiece 5 to rotate to the set angle, the horizontal driving assembly 1 drives the workpiece 5 to move horizontally, in the process of horizontal movement, the confocal spectrometer 42 or the laser scanner 43 arranged on one side of the X axis rotation module 21 scans the workpiece 5, the actions are repeated for multiple times, the profile of the side edge of the workpiece 5 can be scanned, if the other side edge of the workpiece 5 needs to be scanned, the workpiece 5 can be driven to rotate to the set angle through the Z axis rotation module 22, and the side edge of the workpiece 5 can be scanned by the confocal spectrometer 42 or the laser scanner 43.
The present embodiment scans the upper and lower surface profiles of the workpiece 5 using the non-contact displacement sensor 41 disposed above the workpiece 5.
In another embodiment, the non-contact displacement sensor 41 disposed above the workpiece 5 may be a confocal spectrometer or a laser scanner, and if the curved surface of the upper surface and/or the lower surface of the workpiece 5 is large, the non-contact displacement sensor 41 is preferably a confocal spectrometer; the non-contact displacement sensor 41 is preferably a laser scanner if the upper surface and/or the lower surface of the workpiece 5 has a small curved surface.
In another embodiment, the rotary driving assembly 2 is installed at the moving end of the horizontal driving assembly 1, the horizontal driving assembly 1 includes an X-axis linear driving module 11 and a Y-axis linear driving module 12, wherein the moving end of the X-axis linear driving module 11 can move along the X direction, and the X-axis linear driving module 11 can be a lead screw nut set, an electric cylinder or a linear motor; the moving end of the Y-axis linear driving module 12 can move along the Y direction, and the Y-axis linear driving module 12 can be a screw nut set, an electric cylinder or a linear motor.
In this embodiment, as shown in fig. 1, the rotation driving component 2 is installed at the moving end of the X-axis linear driving module 11, the X-axis linear driving module 11 is installed at the moving end of the Y-axis linear driving module 12, when the Y-axis linear driving module 12 acts, the X-axis linear driving module 11 and the rotation driving component 2 can be driven to move along the Y direction, and when the X-axis linear driving module 11 acts, the rotation driving component 2 can be driven to move along the X direction.
Of course, the rotation driving module 2 may be installed at the moving end of the Y-axis linear driving module 12, the Y-axis linear driving module 12 may be installed at the moving end of the X-axis linear driving module 11, when the X-axis linear driving module 11 operates, the Y-axis linear driving module 12 and the rotation driving module 2 may be driven to move along the X direction, and when the Y-axis linear driving module 12 operates, the rotation driving module 2 may be driven to move along the Y direction.
In the embodiment, the workpiece 5 has four degrees of freedom, and the workpiece 5 can translate along the X direction and the Y direction and rotate around the X axis and the Z axis, so that the relative position relationship between the workpiece 5 and the scanning assembly 4 can be automatically adjusted.
Further, the rotation driving module 2 is fixedly installed at a moving end of a first Z-axis linear driving module 13, the first Z-axis linear driving module 13 may be a screw nut set, an electric cylinder or a linear motor, when the first Z-axis linear driving module 13 operates, the rotation driving module 2 can be driven to move along the Z-axis direction, and the first Z-axis linear driving module 13 is installed at a moving end of the X-axis linear driving module 11 or a moving end of the Y-axis linear driving module 12.
In this embodiment, the workpiece 5 can also move along the Z-axis direction, so that the distance between the workpiece 5 and the scanning assembly 4 in the Z-axis direction can be adjusted, and the compatibility of the device is improved.
Further, the confocal spectrometer 42 is mounted on the second support 8, the laser scanner 43 is mounted on the first support 6, the laser scanner 43 and the confocal spectrometer 42 or the confocal spectrometer 42 and the laser scanner 43 are respectively disposed in front of and behind the X-axis rotation module 21, and the first support 6 is disposed in parallel with the second support 8.
In another embodiment, the non-contact displacement sensor 41 is installed at the moving end of the second Z-axis linear driving module 7, the second Z-axis linear driving module 7 is installed on the first support 6, the second Z-axis linear driving module 7 may be a screw nut set, an electric cylinder, or a linear motor, and when the second Z-axis linear driving module operates, the non-contact displacement sensor 41 is driven to move along the Z-axis direction.
In this embodiment, by providing the second Z-axis linear driving module 7, the non-contact displacement sensor 41 and the workpiece 5 can both move along the Z-axis direction, and the automation performance of the detection apparatus is further improved.
In another embodiment, a vacuum suction hole is formed in the fixture 3, the vacuum suction hole is connected to a vacuum pump or a vacuum generator, when the vacuum pump or the vacuum generator operates, a negative pressure is formed on the upper surface of the fixture 3, the workpiece 5 is sucked onto the upper surface of the fixture 3, and for better scanning the size of the workpiece 5, the size of the upper surface of the fixture 3 is preferably smaller than the size of the lower surface and the upper surface of the workpiece 5.
In the embodiment, the workpiece 5 is fixed on the upper surface of the jig 3 in a vacuum adsorption mode, and the structure is simple and the fixation is fast.
Furthermore, the Z-axis rotating module 22 and the X-axis rotating module 21 are preferably driven by DD motors, the DD motors are high in rotating precision and can bear large loads, the DD motors can be used for accurately controlling the rotating angles of the workpiece 5 around the Z axis and the X axis, the swinging angle of the workpiece 5 can be accurately controlled, and the requirement of multi-angle adjustment is met.
In another embodiment, the workpiece detection device is further provided with a feeding assembly, the feeding assembly can directly adopt a manipulator in the prior art, the feeding assembly can convey the workpiece 5 to the upper surface of the jig 3, after the upper surface, the side edges and other contours of the workpiece 5 are collected, the feeding assembly can automatically grab the workpiece 5 on the jig 3, turn the workpiece 5 by 180 degrees, place the scanned surface of the turned workpiece 5 on the upper surface of the jig 3, and adsorb the workpiece 5 on the upper surface by the jig 3.
This embodiment through setting up the material loading subassembly, realizes material loading, transport, upset and the unloading of work piece 5, improves the automatic nature of detection of work piece 5.
Further, the inspection apparatus is provided with a stitching system for stitching the surface features detected by the scanning assembly 4 according to a corresponding algorithm to form a 3D model of the workpiece 5.
In this embodiment, the scanning assembly 4 scans the upper and lower surfaces and the side profiles of the workpiece 5, so as to automatically obtain all the surface features of the workpiece 5, and the stitching system is used to stitch the scanned profile features to establish a 3D model of the product, so that a user can extract required control size parameters based on the model.
In this embodiment, the specific action process is as follows:
the workpiece 5 is adsorbed and fixed by the fixture 3, the X-axis linear driving module 11 and the Y-axis linear driving module 12 act to drive the workpiece 5 to move horizontally, so that the workpiece 5 moves to the detection range of the confocal spectrometer 42, the X-axis rotating module 21 drives the workpiece 5 to rotate for a certain angle, the X-axis linear driving module 11 drives the workpiece 5 to move horizontally relative to the confocal spectrometer 42, the confocal spectrometer 42 can scan the workpiece 5, the included angle between the confocal spectrometer 42 and the workpiece 5 is adjusted for multiple times, so that the side profile of the workpiece 5 is scanned for multiple times, after the side profile is scanned, the Z-axis rotating module 22 drives the workpiece to rotate for 90 degrees, the X-axis rotating module 21 and the X-axis linear driving module 11 repeat the above actions, and after the peripheral profile of the workpiece 5 is scanned by the confocal spectrometer 42, the X-axis linear driving module 11 and the Y-axis linear driving module 12 act, driving the workpiece 5 to move to the detection range of the laser scanner 43, and continuing to repeat the above actions, so that the peripheral profile of the workpiece 5 is scanned by the laser scanner 43; then, the first Z-axis linear driving module 13 drives the workpiece to move to the detection range of the non-contact displacement sensor 41, and the X-axis linear driving module 11 and the Y-axis linear driving module 12 drive the workpiece 5 to translate, so that the upper surface profile of the workpiece 5 is scanned.
And then, the feeding assembly acts to drive the workpiece 5 on the jig 3 to turn 180 degrees and place the turned workpiece 5 on the upper surface of the jig 3, the rotary driving assembly 2 and the scanning assembly 4 repeat the above actions to scan the other side surface and the peripheral outline of the workpiece 5, and finally, the splicing system splices all surface features detected by the scanning assembly 4 to form a 3D model of the workpiece 5.
In the present embodiment, the confocal spectrometer 42 and the laser scanner 43 respectively scan the profile features of the workpiece 5, and all the required scanning profiles of the workpiece 5 are reliably scanned by using the advantages of the respective scanners.
It should be noted that the above operation process is to scan with the confocal spectrometer 42, then scan with the laser scanner 43, and finally scan with the non-contact displacement sensor 41, and of course, the operation process may also be to scan with the laser scanner 43, then scan with the confocal spectrometer 42, and finally scan with the non-contact displacement sensor 41, or of course, the operation process may also be to scan with the non-contact displacement sensor 41, then scan with the confocal spectrometer 42, and finally scan with the laser scanner 43, and the like.
The present invention has been described in connection with specific embodiments, but it should be clear to a person skilled in the art that these descriptions are intended to be illustrative and not limiting to the scope of the invention. Various modifications and adaptations of the present invention may occur to those skilled in the art, which are within the scope of the present invention, based on the spirit and principles of the present invention.
Claims (10)
1. A workpiece detection apparatus, comprising:
the jig is used for clamping a workpiece;
the rotary driving assembly comprises a Z-axis rotary module and an X-axis rotary module, wherein the rotary output end of the X-axis rotary module is connected with the Z-axis rotary module, and a jig is fixedly arranged at the rotary end of the Z-axis rotary module;
the scanning assembly is used for scanning the outer contour of a workpiece and comprises a non-contact displacement sensor arranged above the workpiece, a confocal spectrometer and a laser scanner which are arranged below the non-contact displacement sensor, and the confocal spectrometer and the laser scanner are arranged oppositely;
the rotary driving component is arranged at the moving end of the horizontal driving component, and the horizontal driving component can at least drive the workpiece to do linear translation motion along the X-axis direction.
2. The workpiece detection apparatus according to claim 1, wherein:
the non-contact displacement sensor is a confocal spectrometer or a laser scanner.
3. The workpiece detection apparatus according to claim 2, wherein:
the horizontal driving assembly comprises an X-axis linear driving module and a Y-axis linear driving module; the moving end of the Y-axis linear driving module is fixedly provided with an X-axis linear driving module, and the moving end of the X-axis linear driving module is fixedly provided with a rotary driving assembly;
or the moving end of the X-axis linear driving module is fixedly connected with the Y-axis linear driving module, and the moving end of the Y-axis linear driving module is fixedly provided with the rotary driving assembly.
4. The workpiece detection apparatus according to any one of claims 1 to 3, wherein:
the rotary driving assembly is fixedly installed at the moving end of the first Z-axis linear driving module, and the first Z-axis linear driving module is installed at the moving end of the X-axis linear driving module or the moving end of the Y-axis linear driving module.
5. The workpiece inspection apparatus according to claim 4, wherein:
the device is characterized by further comprising a first support, wherein a second Z-axis linear driving module is arranged on the first support, and the moving end of the second Z-axis linear driving module is fixedly connected with the non-contact displacement sensor.
6. The workpiece inspection apparatus according to claim 5, wherein:
the confocal spectrometer is fixedly arranged on a first support, and the laser scanner is fixedly arranged on the first support;
the front side and the rear side of the X-axis rotating module are respectively provided with the laser scanner and the confocal spectrometer or the confocal spectrometer and the laser scanner.
7. The workpiece detection apparatus according to claim 1, wherein:
the jig is provided with a vacuum adsorption hole for adsorbing the workpiece on the upper surface of the jig.
8. The workpiece detection apparatus according to claim 1, wherein:
the Z-axis rotation module and the X-axis rotation module each include a DD motor.
9. The workpiece inspection apparatus according to claim 4, wherein:
the workpiece overturning device is characterized by further comprising a feeding assembly, wherein the feeding assembly is used for conveying the workpiece to the upper surface of the jig, and the feeding assembly is further used for overturning the workpiece on the jig by 180 degrees and placing the overturned workpiece on the upper surface of the jig.
10. The workpiece inspection apparatus according to claim 4, wherein:
the system also includes a stitching system for stitching the surface features detected by the scanning assembly to form a 3D model of the workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921582780.XU CN210486809U (en) | 2019-09-23 | 2019-09-23 | Workpiece detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921582780.XU CN210486809U (en) | 2019-09-23 | 2019-09-23 | Workpiece detection device |
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| Publication Number | Publication Date |
|---|---|
| CN210486809U true CN210486809U (en) | 2020-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921582780.XU Active CN210486809U (en) | 2019-09-23 | 2019-09-23 | Workpiece detection device |
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| CN (1) | CN210486809U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115325946A (en) * | 2022-10-13 | 2022-11-11 | 江苏精益智控科技有限公司 | System and method for simultaneously detecting size of end of steel pipe and inner wall defects |
-
2019
- 2019-09-23 CN CN201921582780.XU patent/CN210486809U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115325946A (en) * | 2022-10-13 | 2022-11-11 | 江苏精益智控科技有限公司 | System and method for simultaneously detecting size of end of steel pipe and inner wall defects |
| CN115325946B (en) * | 2022-10-13 | 2023-02-24 | 江苏精益智控科技有限公司 | System and method for simultaneously detecting size of end of steel pipe and inner wall defects |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220228 Address after: 214028 floor 2, building 1, No. 20, Xinxi Road, Xinwu District, Wuxi City, Jiangsu Province Patentee after: Jiangsu Lidao Technology Co.,Ltd. Address before: No.20 Xinxi Road, national high tech Industrial Development Zone, Wuxi City, Jiangsu Province Patentee before: WUXI LEAD INTELLIGENT EQUIPMENT Co.,Ltd. |
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| TR01 | Transfer of patent right |