CN210089635U - Multi-measuring-head calibration device in non-contact measurement and standard block - Google Patents
Multi-measuring-head calibration device in non-contact measurement and standard block Download PDFInfo
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- CN210089635U CN210089635U CN201921052114.5U CN201921052114U CN210089635U CN 210089635 U CN210089635 U CN 210089635U CN 201921052114 U CN201921052114 U CN 201921052114U CN 210089635 U CN210089635 U CN 210089635U
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Abstract
A multi-measuring-head calibration device in non-contact measurement and a standard block are provided, wherein the calibration device comprises a measurement device, a horizontal rotation device, a machine tool and a standard block, the multi-measuring-head calibration device comprises a left spectrum confocal measuring head, a middle spectrum confocal measuring head and a right spectrum confocal measuring head, the measurement device is sequentially arranged on an installation frame, the horizontal rotation device comprises a workbench and a motor which is positioned below the workbench and used for driving the workbench to move, the standard block is arranged on the workbench of the horizontal rotation device, the upper bottom surface of the standard block comprises a first inclined surface, a horizontal surface and a second inclined surface which are sequentially connected, and the first inclined surface and the second inclined surface are respectively inclined towards the lower oblique direction; the first inclined plane is sequentially provided with a first transverse groove, a second transverse groove and a third transverse groove which are consecutive through a horizontal plane and the second inclined plane, the first inclined plane is provided with a first vertical groove which is vertical to the first transverse groove, and the second inclined plane is provided with a third vertical groove which is vertical to the third transverse groove. The utility model has the advantages of convenient and accurate calibration and easy calculation of the included angle.
Description
Technical Field
The utility model belongs to the non-contact measurement field, more specifically relates to a many gauge heads calibration device and standard block in non-contact measurement.
Background
Currently, non-contact measurement is one of the common methods for detecting parts, and the method usually adopts an optical measurement technology to avoid direct contact between measurement equipment and the parts. However, for the detection of curved surface parts, the accuracy of non-contact measurement is usually related to the angle between the axis of the measuring head and the normal to the measured curved surface point. When the curvature of the curved surface to be detected changes greatly, if the posture of the non-contact measuring head remains unchanged, complete curved surface profile data may not be obtained.
To improve the above problems, there are two general approaches: the first is to install the measuring head on a multi-axis (4-5-axis) motion mechanism to meet the requirement of space angle adjustment of measuring beam vectors, but due to the precision problem of the motion mechanism, the measurement precision of the whole measurement system can be greatly reduced, and the requirement of high-precision measurement of curved surface parts cannot be met; the other is to use a measuring device provided with a plurality of measuring heads, each measuring head is responsible for measuring data of a curved surface part area, and then the measuring data of each measuring head is converted into a unified coordinate system.
Patent document "mobile phone curved surface shell contour measuring method and measuring equipment based on spectrum confocal technology" (application number CN 201711415852.7) provides a method and equipment for high-precision detection of mobile phone back shell and side curved surface. The equipment installs three spectrum confocal measuring heads on a linear motion shaft, and each measuring head is connected with the motion shaft through an angle adjusting mechanism. And (3) utilizing the three measuring heads to perform curved surface scanning measurement on the mobile phone shell part fixed on the platform borne by the DD motor. The patent requires that the light spots of the three spectrum confocal measuring instruments are located on a straight line parallel to the axis, and the included angles between the ray extension lines of the two side dispersion spectrum confocal measuring instruments and the ray extension line of the middle dispersion spectrum confocal measuring instrument in the vertical direction need to be accurately calculated, but the method disclosed by the patent document is used for calibrating and calculating the included angles between the spectrum confocal measuring heads, and the method is complex.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model discloses to the society provide one kind and mark convenient accuracy, many gauge heads calibration device and standard block in the easy non-contact measurement of contained angle calculation.
The technical scheme of the utility model is that: the device comprises a measuring device, a horizontal rotating device, a machine tool and a standard block, wherein the measuring device and the horizontal rotating device are respectively arranged on the machine tool, the measuring device is positioned above the horizontal rotating device, the measuring device comprises a left spectrum confocal measuring head, a middle spectrum confocal measuring head and a right spectrum confocal measuring head which are sequentially arranged on a mounting frame, the horizontal rotating device comprises a workbench and a motor which is positioned below the workbench and used for driving the workbench to move, the standard block is arranged on the workbench of the horizontal rotating device, the upper bottom surface of the standard block comprises a first inclined surface, a horizontal surface and a second inclined surface which are sequentially connected, and the first inclined surface and the second inclined surface are respectively inclined towards the lower oblique direction; the first inclined plane is sequentially provided with a first transverse groove, a second transverse groove and a third transverse groove which are consecutive through a horizontal plane and the second inclined plane, the first inclined plane is provided with a first vertical groove which is vertical to the first transverse groove, and the second inclined plane is provided with a third vertical groove which is vertical to the third transverse groove.
As right the utility model discloses an improvement, the confocal gauge head of left side spectrum includes first gauge head, first angle guiding mechanism, first gauge head is established on the first angle guiding mechanism, first angle guiding mechanism establishes on first manual angular position bench, first manual angular position bench is established on first back-and-forth movement device, first back-and-forth movement device establishes on first reciprocating device, first reciprocating device establishes on first controlling device.
As right the utility model discloses an improvement, the confocal gauge head of right side spectrum includes third gauge head, third angle guiding mechanism, the third gauge head is established on the third angle guiding mechanism, third angle guiding mechanism establishes on the manual angular position platform of third, the manual angular position platform of third is established on third back-and-forth movement device, third back-and-forth movement device establishes on the third reciprocates the device, the third reciprocates the device and establishes on the third removes the device.
As an improvement of the utility model, the upper bottom surface of the standard block comprises a first inclined surface, a horizontal surface and a second inclined surface which are connected in sequence, and the first inclined surface and the second inclined surface are respectively inclined towards the lower oblique direction; the first inclined plane is sequentially provided with a first transverse groove, a second transverse groove and a third transverse groove which are consecutive through a horizontal plane and the second inclined plane, the first inclined plane is provided with a first vertical groove which is vertical to the first transverse groove, and the second inclined plane is provided with a third vertical groove which is vertical to the third transverse groove.
As an improvement to the utility model, the standard block is made of metal material.
As an improvement to the present invention, the metal material is an iron alloy, an aluminum alloy, a copper alloy or stainless steel.
The calibration of the equipment needs to reach two standards, one is to adjust light spots of three spectrum confocal measuring instruments to be on the same straight line, and the other is to calculate the included angle between the axes of the spectrum confocal measuring heads at two sides and the axis of the middle spectrum confocal measuring head; the light spots of the three spectral confocal measuring instruments can be simply adjusted to be on the same straight line by using the designed standard block; utilize the standard block to reach the utility model provides a calibration method can be simple and convenient calculate the contained angle between the confocal gauge head axis of both sides spectrum and the confocal gauge head axis of middle spectrum.
Drawings
Fig. 1 is a schematic plan view of an embodiment of the calibration device of the present invention.
Fig. 2 is a side view of the structure of fig. 1.
Fig. 3 is a schematic perspective view of fig. 1.
Fig. 4 is a perspective view of the standard block of fig. 1.
Fig. 5 is a schematic top view of the structure of fig. 4.
Fig. 6 is a side view schematic of the structure of fig. 4.
Fig. 7 is a schematic diagram of the calibration state structure of the present invention.
Fig. 8 is a schematic structural diagram of the calculation of the included angle of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Please refer to fig. 1, fig. 2 and fig. 3, the present invention further provides a calibration apparatus for multiple measuring heads in non-contact measurement, including a measuring device 1, a horizontal rotation apparatus 2, a machine tool (not shown) and a standard block 3, wherein the measuring device 1 and the horizontal rotation apparatus 2 are respectively disposed on the machine tool, and the measuring device 1 is locatedThe measurement device 1 is sequentially arranged above the horizontal rotating device 2, the horizontal rotating device 2 comprises a workbench 21 and a motor 22 which is positioned below the workbench 21 and used for driving the workbench to move, the motor 22 is arranged on a base 23, the standard block 3 is arranged on the workbench 21 of the horizontal rotating device 2, the upper bottom surface 31 of the standard block 3 comprises a first inclined surface 311, a horizontal surface 312 and a second inclined surface 313 which are sequentially connected, and the first inclined surface 311 and the second inclined surface 313 are respectively inclined towards the lower oblique direction; starting from the first inclined surface 311, a first transverse groove 3111, a second transverse groove 3121 and a third transverse groove 3131 are consecutively arranged through the horizontal surface 312 and the second inclined surface 313, a first vertical groove 3112 is arranged on the first inclined surface 311 perpendicularly to the first transverse groove 3111, and a third vertical groove 3132 is arranged on the second inclined surface 313 perpendicularly to the third transverse groove 3131 (see fig. 6). Since the standard block 3 is provided with the consecutive first transverse groove 3111, second transverse groove 3121 and third transverse groove 3131, and the edges of the consecutive first transverse groove 3111, second transverse groove 3121 and third transverse groove 3131 are in the same plane, the light spots of the three spectral confocal measuring instruments can be easily adjusted to be on the same straight line; a first vertical groove 3112 is disposed on the first inclined surface 311 perpendicular to the first transverse groove 3111, so that the first included angle can be conveniently calculated
(see fig. 8); and a third vertical groove 3132 is formed on the second inclined surface 313 perpendicular to the third transverse groove 3131 to conveniently calculate a second included angle
(see fig. 8).
Preferably, the left-side spectral confocal measuring head 12 includes a first measuring head 121 and a first angle adjusting mechanism 122, the first measuring head 121 is disposed on the first angle adjusting mechanism 122, the first angle adjusting mechanism 122 is disposed on a first manual angular table 123, the first manual angular table 123 is disposed on a first front-back moving device 124, the first front-back moving device 124 is disposed on a first up-down moving device 125, and the first up-down moving device 125 is disposed on a first left-right moving device 126.
Preferably, the middle-spectrum confocal measuring head 13 includes a second measuring head 131 and a second angle adjusting mechanism 132, the second measuring head 131 is disposed on the second angle adjusting mechanism 132, and the third angle adjusting mechanism 132 is disposed on the second left-right moving device 133.
Preferably, the right-side spectral confocal measuring head 14 includes a third measuring head 141 and a third angle adjusting mechanism 142, the third measuring head 141 is disposed on the third angle adjusting mechanism 142, the third angle adjusting mechanism 142 is disposed on a third manual angular position table 143, the third manual angular position table 143 is disposed on a third forward and backward moving device 144, the third forward and backward moving device 144 is disposed on a third upward and downward moving device 145, and the third upward and downward moving device 145 is disposed on a third leftward and rightward moving device 146.
Referring to fig. 4, 5 and 6, the present invention further provides a standard block 3, wherein the upper bottom surface 31 of the standard block 3 comprises a first inclined surface 311, a horizontal surface 312 and a second inclined surface 313 which are sequentially connected, and the first inclined surface 311 and the second inclined surface 313 are respectively inclined to the lower side; starting from the first inclined surface 311, a first transverse groove 3111, a second transverse groove 3121 and a third transverse groove 3131 are consecutively arranged through the horizontal surface 312 and the second inclined surface 313, a first vertical groove 3112 is arranged on the first inclined surface 311 perpendicularly to the first transverse groove 3111, and a third vertical groove 3132 is arranged on the second inclined surface 313 perpendicularly to the third transverse groove 3131.
Preferably, the standard block 3 is made of a metal material.
Preferably, the metal material is an iron alloy, an aluminum alloy, a copper alloy, or stainless steel.
The utility model discloses in, the cross slot (first cross slot, second cross slot and third cross slot) or/and perpendicular groove (first perpendicular groove, second perpendicular groove and third perpendicular groove) can be U-shaped flat bottom groove, also can be the dovetail groove, the utility model discloses in, the cross slot and perpendicular groove in each picture are explained with the dovetail groove as an example, and it is difficult to understand, when the cross slot is U-shaped flat bottom groove with perpendicular groove, the utility model discloses a method and device are also suitable for.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a calibration arrangement of many gauge heads in non-contact measurement, includes measuring equipment (1), horizontal rotation device (2) and lathe, measuring equipment (1) and horizontal rotation device (2) are established respectively on the lathe, and measuring equipment (1) is located horizontal rotation device (2) top, wherein, including measuring equipment (1) arrange in proper order on mounting bracket (11) the confocal gauge head of left side spectrum (12), middle spectrum (13) and the confocal gauge head of right side spectrum (14), horizontal rotation device (2) include workstation (21) to and be located below workstation (21) and be used for driving motor (22) that the workstation removed, its characterized in that: the horizontal rotating device is characterized by further comprising a standard block (3), wherein the standard block (3) is arranged on a workbench (21) of the horizontal rotating device (2), an upper bottom surface (31) of the standard block (3) comprises a first inclined surface (311), a horizontal surface (312) and a second inclined surface (313) which are sequentially connected, and the first inclined surface (311) and the second inclined surface (313) are respectively inclined towards the lower oblique direction; the first inclined plane (311) is provided with a first transverse groove (3111), a second transverse groove (3121) and a third transverse groove (3131) which are connected in sequence through a horizontal plane (312) and the second inclined plane (313), the first inclined plane (311) is provided with a first vertical groove (3112) which is vertical to the first transverse groove (3111), and the second inclined plane (313) is provided with a third vertical groove (3132) which is vertical to the third transverse groove (3131).
2. The apparatus for calibrating a multi-gauge head in non-contact measurement according to claim 1, wherein: the left spectrum confocal measuring head (12) comprises a first measuring head (121) and a first angle adjusting mechanism (122), the first measuring head (121) is arranged on the first angle adjusting mechanism (122), the first angle adjusting mechanism (122) is arranged on a first manual angular position table (123), the first manual angular position table (123) is arranged on a first front-back moving device (124), the first front-back moving device (124) is arranged on a first up-down moving device (125), and the first up-down moving device (125) is arranged on a first left-right moving device (126).
3. The apparatus for calibrating a multi-gauge head in non-contact measurement according to claim 1 or 2, wherein: the right-side spectrum confocal measuring head (14) comprises a third measuring head (141) and a third angle adjusting mechanism (142), the third measuring head (141) is arranged on the third angle adjusting mechanism (142), the third angle adjusting mechanism (142) is arranged on a third manual angular position table (143), the third manual angular position table (143) is arranged on a third front-and-back moving device (144), the third front-and-back moving device (144) is arranged on a third up-and-down moving device (145), and the third up-and-down moving device (145) is arranged on the third left-and-right moving device (146).
4. A standard block for multi-measuring-head calibration in non-contact measurement is characterized in that: the upper bottom surface (31) of the standard block (3) comprises a first inclined surface (311), a horizontal surface (312) and a second inclined surface (313) which are sequentially connected, and the first inclined surface (311) and the second inclined surface (313) are respectively inclined towards the lower oblique direction; the first inclined plane (311) is provided with a first transverse groove (3111), a second transverse groove (3121) and a third transverse groove (3131) which are connected in sequence through a horizontal plane (312) and the second inclined plane (313), the first inclined plane (311) is provided with a first vertical groove (3112) which is vertical to the first transverse groove (3111), and the second inclined plane (313) is provided with a third vertical groove (3132) which is vertical to the third transverse groove (3131).
5. The standard block for multi-gauge head calibration in non-contact measurement according to claim 4, wherein: the standard block (3) is made of metal materials.
6. The standard block for multi-gauge head calibration in non-contact measurement according to claim 5, wherein: the metal material is iron alloy, aluminum alloy, copper alloy or stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921052114.5U CN210089635U (en) | 2019-07-08 | 2019-07-08 | Multi-measuring-head calibration device in non-contact measurement and standard block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921052114.5U CN210089635U (en) | 2019-07-08 | 2019-07-08 | Multi-measuring-head calibration device in non-contact measurement and standard block |
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| CN210089635U true CN210089635U (en) | 2020-02-18 |
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| CN201921052114.5U Active CN210089635U (en) | 2019-07-08 | 2019-07-08 | Multi-measuring-head calibration device in non-contact measurement and standard block |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260819A (en) * | 2019-07-08 | 2019-09-20 | 东莞市三姆森光电科技有限公司 | More head calibration methods, caliberating device and calibrated bolck in non-contact measurement |
| CN113884020A (en) * | 2021-09-16 | 2022-01-04 | 苏州三姆森光电科技有限公司 | Method for measuring length and width dimensions of interior of 3C product |
| WO2023035534A1 (en) * | 2021-09-13 | 2023-03-16 | 广东三姆森科技股份有限公司 | Measurement method and measurement apparatus for internal size of 3c product |
-
2019
- 2019-07-08 CN CN201921052114.5U patent/CN210089635U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260819A (en) * | 2019-07-08 | 2019-09-20 | 东莞市三姆森光电科技有限公司 | More head calibration methods, caliberating device and calibrated bolck in non-contact measurement |
| WO2023035534A1 (en) * | 2021-09-13 | 2023-03-16 | 广东三姆森科技股份有限公司 | Measurement method and measurement apparatus for internal size of 3c product |
| CN113884020A (en) * | 2021-09-16 | 2022-01-04 | 苏州三姆森光电科技有限公司 | Method for measuring length and width dimensions of interior of 3C product |
| CN113884020B (en) * | 2021-09-16 | 2022-06-28 | 苏州三姆森光电科技有限公司 | Method for measuring length and width dimensions inside 3C product |
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Address after: 523000 No.3, West Zhongnan Road, Haibin District, Shangsha, Chang'an Town, Dongguan City, Guangdong Province Patentee after: Guangdong Samson Technology Co.,Ltd. Address before: 523000 No.3, West Zhongnan Road, Haibin District, Shangsha, Chang'an Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN SAMSUN OPTICAL TECHNOLOGY Co.,Ltd. |