CN210922508U - Combined type measuring device for three-dimensional coordinate measurement - Google Patents
Combined type measuring device for three-dimensional coordinate measurement Download PDFInfo
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- CN210922508U CN210922508U CN201921908860.XU CN201921908860U CN210922508U CN 210922508 U CN210922508 U CN 210922508U CN 201921908860 U CN201921908860 U CN 201921908860U CN 210922508 U CN210922508 U CN 210922508U
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Abstract
The utility model relates to a combined type measuring device for three-dimensional coordinate measurement, its characterized in that: the measuring head structure comprises a substrate, wherein a contact measuring head support is fixedly arranged on the front surface of the substrate, and a contact measuring head is sleeved on the contact measuring head support; a camera support is fixedly mounted on the left side of the back surface of the substrate, a camera is fixedly mounted on the camera support, a lens is mounted on the camera, a line laser support is fixedly mounted on the right side of the back surface of the substrate, and a line laser transmitter is fixedly mounted on the line laser support; the basic top end is provided with a tool shank clamping part. The utility model has the advantages of being scientific and reasonable in design, with contact gauge head and optical measurement integration in an organic whole for the advantage of two kinds of sensors can full play, can realize quick, high accuracy, the complete measurement of complicated work piece, improves measurement of efficiency.
Description
Technical Field
The utility model belongs to the technical field of the work piece is measured, relate to measuring device, in particular to a combined type measuring device for three-dimensional coordinate is measured.
Background
The existing widely applied method for acquiring the surface data of the object mainly comprises two methods: the optical contact type measuring method and the non-contact type measuring method have the advantages and disadvantages and the application range: 1) the contact measurement method has high measurement precision, but the measurement efficiency is lower; 2) the non-contact measurement technology can quickly acquire dense point cloud data, and the digitization efficiency is greatly improved.
However, most optical measurement methods have low measurement accuracy, the measurement process is easily affected by environmental factors such as illumination, and the geometric characteristics inside or shielded by an object cannot be measured, which causes incompleteness of measurement data, so that the optical measurement cannot meet the application requirement of high accuracy.
With the development of modern industry, on one hand, the requirements for flexibility and intelligence of the measurement process are continuously improved, and a single sensor cannot meet the measurement requirements for high precision and high efficiency. On the other hand, the complexity of the workpiece is higher and higher, and a single sensor is difficult to obtain complete surface information. The self limitation of the contact and non-contact measuring methods limits the application of the contact and non-contact measuring methods in practical engineering, if a plurality of different measuring sensors are integrated together, and advantages are complemented by using different measuring methods, the flexibility of the measuring system can be greatly improved, the measuring system is not limited by single digital equipment any more, and high-efficiency and high-precision measurement is realized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a combined type measuring device for three-dimensional coordinate is measured, can full play with the advantage of two kinds of sensors, overcome single sensor's limitation, can realize quick, high accuracy, the complete measurement of complicated work piece.
The utility model provides a its technical problem realize through following technical scheme:
a combined measuring device for three-dimensional coordinate measurement is characterized in that: the measuring head structure comprises a substrate, wherein a contact measuring head support is fixedly arranged on the front surface of the substrate, and a contact measuring head is sleeved on the contact measuring head support; a camera support is fixedly mounted on the left side of the back surface of the substrate, a camera is fixedly mounted on the camera support, a lens is mounted on the camera, a line laser support is fixedly mounted on the right side of the back surface of the substrate, and a line laser transmitter is fixedly mounted on the line laser support; the basic top end is provided with a tool shank clamping part.
And, be provided with rectangular hole on the line laser support, line laser emitter can install in the optional position in line laser support rectangular hole, is convenient for the regulation of line laser generator and camera interval.
Moreover, the camera support is provided with the arc-shaped long hole, so that the camera can be mounted on the camera support at different angles, and the relative angle between the camera and the line laser emitter can be conveniently adjusted.
And the bottom ends of the camera and the line laser emitter are higher than the substrate.
Moreover, the substrate is a double-U-shaped substrate.
The utility model discloses an advantage and beneficial effect do:
1. the utility model discloses a combined type measuring device for three-dimensional coordinate measurement, camera and line laser emitter install respectively at the both ends of base plate, and the distance is relatively far away, can reduce the contact measurement time, and the line structure light vision system that camera and line laser emitter constitute produces the possibility of interfering with the object; the contact measuring head and the line structured light vision sensor are integrated into a whole, the advantages of high precision of the contact measuring head and rapidity of optical measurement are fully exerted, advantage complementation is formed, and accurate, efficient and complete measurement of complex objects can be realized.
2. The utility model is used for three-dimensional coordinate measuring combined type measuring device is provided with rectangular hole on the line laser support, and line laser emitter can install in the optional position in linear laser support rectangular hole, and the regulation of line laser generator and camera interval of being convenient for is applicable to the measurement of different specification work pieces.
3. The utility model is used for three-dimensional coordinate measuring combined type measuring device is provided with the arc slot hole on the camera support, can be so that the installation of camera different angles on the camera support, and the camera of being convenient for and the regulation of line laser emitter relative angle are applicable to the measurement of different specification work pieces.
4. The utility model is used for three-dimensional coordinate measuring combined type measuring device, camera and line laser emitter's bottom is higher than the base plate, can prevent effectively that when carrying out contact measurement, camera or line laser emitter produce with the work piece and interfere, guarantee effective operation.
5. The utility model is used for three-dimensional coordinate measuring combined type measuring device, the base plate is two U type base plates, need carry out fixed mounting with the main shaft of handle of a knife clamping part on the base plate and digit control machine tool when the during operation, and two U type structures can provide sufficient space for the installation, and the operation of being convenient for improves the firm in connection nature.
6. The utility model discloses a reverse engineering technique provides new thinking for the measurement process is more flexible, intelligent. Under the condition that a CAD (computer-aided design) model of a measured object is unknown, a linear structured light vision system can be used for rapidly scanning the object to obtain dense 3D (three-dimensional) data of the surface of the object, and geometric information of the object is extracted from the vision scanning data and used for guiding a high-precision contact measuring head to perform high-precision contact measurement on the object; under the condition of a known workpiece CAD model, a linear structured light vision system can be used for quickly scanning an object, and then a contact type measuring head is used for retesting an area with higher precision requirement or a vision measurement blind area.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a rear view of FIG. 1;
fig. 3 is a perspective view of the present invention;
FIG. 4 is a left side view of FIG. 1;
fig. 5 is a sectional view taken along line a-a of fig. 4.
Description of the reference numerals
The laser measuring device comprises a 1-contact measuring head, a 2-lens, a 3-camera, a 4-knife handle clamping part, a 5-double U-shaped substrate, a 6-line laser emitter, a 7-contact measuring head support, an 8-line laser support, a 9-camera support, a 10-strip hole and an 11-arc-shaped long hole.
Detailed Description
The present invention will be described in further detail with reference to specific examples, which are provided for illustrative purposes only, and are not intended to be limiting, and the scope of the present invention should not be limited thereby.
A combined measuring device for three-dimensional coordinate measurement is characterized in that: the measuring head structure comprises a substrate, wherein a contact measuring head support is fixedly arranged on the front surface of the substrate, and a contact measuring head is sleeved on the contact measuring head support; a camera support is fixedly mounted on the left side of the back surface of the substrate, a camera is fixedly mounted on the camera support, a lens is mounted on the camera, a line laser support is fixedly mounted on the right side of the back surface of the substrate, and a line laser transmitter is fixedly mounted on the line laser support; the basic top end is provided with a cutter handle clamping part, the camera and the line laser transmitter are respectively arranged at two ends of the substrate, the distance is relatively long, and the possibility that a line-structured light vision system formed by the camera and the line laser transmitter interferes with an object during contact measurement can be reduced; the contact measuring head and the line structured light vision sensor are integrated into a whole, the advantages of high precision of the contact measuring head and rapidity of optical measurement are fully exerted, advantage complementation is formed, and accurate, efficient and complete measurement of complex objects can be realized.
The line laser support is provided with the rectangular hole, and the line laser transmitter can be installed in the optional position of the rectangular hole of the line laser support, so that the distance between the line laser generator and the camera can be adjusted conveniently, and the line laser transmitter is suitable for measuring workpieces of different specifications.
The camera support is provided with the arc-shaped long hole, so that the camera can be installed on the camera support at different angles, the relative angle between the camera and the line laser transmitter can be conveniently adjusted, and the camera support is suitable for measuring workpieces of different specifications.
The bottom of camera and line laser emitter is higher than the base plate, can prevent effectively that camera or line laser emitter from producing the interference with the work piece when carrying out contact measurement, guarantees effective operation.
The base plate is two U type base plates, need carry out fixed mounting with the main shaft of handle of a knife clamping part on the base plate and digit control machine tool when the during operation, and two U type structures can provide sufficient space for the installation, and the operation of being convenient for improves the firm in connection nature.
The utility model discloses a reverse engineering technique provides new thinking for the measurement process is more flexible, intelligent. Under the condition that a CAD (computer-aided design) model of a measured object is unknown, a linear structured light vision system can be used for rapidly scanning the object to obtain dense 3D (three-dimensional) data of the surface of the object, and geometric information of the object is extracted from the vision scanning data and used for guiding a high-precision contact measuring head to perform high-precision contact measurement on the object; under the condition of a known workpiece CAD model, a linear structured light vision system can be used for quickly scanning an object, and then a contact type measuring head is used for retesting an area with higher precision requirement or a vision measurement blind area.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (5)
1. A combined measuring device for three-dimensional coordinate measurement is characterized in that: the measuring head structure comprises a substrate, wherein a contact measuring head support is fixedly arranged on the front surface of the substrate, and a contact measuring head is sleeved on the contact measuring head support; a camera support is fixedly mounted on the left side of the back surface of the substrate, a camera is fixedly mounted on the camera support, a lens is mounted on the camera, a line laser support is fixedly mounted on the right side of the back surface of the substrate, and a line laser transmitter is fixedly mounted on the line laser support; the top end of the base plate is provided with a cutter handle clamping part.
2. A compound measuring device for three dimensional coordinate measurements as defined by claim 1 wherein: the line laser support is provided with a long hole, and the line laser emitter can be arranged in any position of the long hole of the line laser support, so that the distance between the line laser generator and the camera can be adjusted conveniently.
3. A compound measuring device for three dimensional coordinate measurements as defined by claim 1 wherein: the camera support is provided with the arc-shaped long hole, so that the camera can be mounted on the camera support at different angles, and the relative angle between the camera and the line laser emitter can be conveniently adjusted.
4. A compound measuring device for three dimensional coordinate measurements as defined by claim 1 wherein: the bottom ends of the camera and the line laser emitter are higher than the substrate.
5. A compound measuring device for three dimensional coordinate measurements as defined by claim 1 wherein: the substrate is a double-U-shaped substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921908860.XU CN210922508U (en) | 2019-11-07 | 2019-11-07 | Combined type measuring device for three-dimensional coordinate measurement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921908860.XU CN210922508U (en) | 2019-11-07 | 2019-11-07 | Combined type measuring device for three-dimensional coordinate measurement |
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| CN210922508U true CN210922508U (en) | 2020-07-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793442A (en) * | 2019-11-07 | 2020-02-14 | 天津大学 | Combined type measuring device for three-dimensional coordinate measurement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793442A (en) * | 2019-11-07 | 2020-02-14 | 天津大学 | Combined type measuring device for three-dimensional coordinate measurement |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220401 Address after: 318000 No. 37, Jinhai Avenue, Yuhuan Economic Development Zone, Taizhou City, Zhejiang Province Patentee after: Zhejiang Tianyu Yizhi CNC Equipment Co.,Ltd. Address before: No.92 Weijin Road, Nankai District, Tianjin 300071 Patentee before: Tianjin University |
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| TR01 | Transfer of patent right |