CN206192290U - Flat formula self -calibrating optical grating projection 3D that sweeps rebuilds appearance - Google Patents
Flat formula self -calibrating optical grating projection 3D that sweeps rebuilds appearance Download PDFInfo
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- CN206192290U CN206192290U CN201621031053.0U CN201621031053U CN206192290U CN 206192290 U CN206192290 U CN 206192290U CN 201621031053 U CN201621031053 U CN 201621031053U CN 206192290 U CN206192290 U CN 206192290U
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Abstract
The utility model discloses a flat formula self -calibrating optical grating projection 3D that sweeps rebuilds appearance, including frame, X axle actuator module, Y axle actuator module, raster scan head, pull electro -magnet, vice Y axle guide pole, vice Y axle slider, vice X axle bed board, vice X axle guide pole, vice X axle slider, mark the piece, pull the post, the lock hangs an electro -magnet, light, cushion cap and computer. This design has integrateed by pulling electro -magnet, lock string electro -magnet, vice Y axle guide pole, vice Y axle slider, vice X axle bed board, vice X axle guide pole, vice X axle slider and maring the self -calibrating device that the block group becomes, and the user can utilize the automatic optical grating projection measurement probe who accomplishes the device of subsidiary self -calibrating device to decide through simply operation when using, is convenient for carry out 3D shape rapid survey reconstruction in kind fast, has advantages such as compact structure, degree of automation height, convenient operation.
Description
Technical field
The utility model is related to a kind of optical grating projection equipment, and in particular to a kind of unenhanced formula self-calibration optical grating projection 3D rebuilds
Instrument.
Background technology
In machine design and manufacture field, it is often necessary to which model and product to completing carry out three-dimensional measurement to obtain
Its digitlization 3D model, to be digitized design modification or workmanship evaluation.Mechanical three coordinate is generally used at present
Measuring machine carries out 3D shape measures, and its certainty of measurement is high but measuring speed is slow.Also one kind is referred to as optical grating projection 3D measurement skills
Art, the structuring projection grating formed using visible ray, laser is incident upon on testee, and testee is shot by video camera
The light projecting grating image of upper formation, rebuilds tested by computer image processing technology from the light projecting grating image of collection
The 3D shape of object, the speed of this three-dimensional measurement mode.Set using the measurement of optical grating projection 3D e measurement technologies at present
For in measurement every time, in order to ensure that precision generally needs to carry out grating measuring demarcation, its operating process is relative complex, using not
Just.
Therefore, exist to overcome the shortcomings of current optical grating projection 3D e measurement technologies, in the urgent need to one kind demarcates convenient, behaviour
Make simple optical grating projection 3D reconstructing apparatus.
The content of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of unenhanced formula self-calibration optical grating projection 3D weights
Instrument is built, with convenient, simple self calibrating function.
Above-mentioned purpose is achieved by the following technical solution：
A kind of unenhanced formula self-calibration optical grating projection 3D rebuilds instrument, including frame, X-axis drive module, Y-axis to drive module, light
Grid probe, pull electromagnet, secondary Y-axis guide rod, secondary Y-axis sliding block, secondary X-axis seat board, secondary X-axis guide rod, secondary X-axis slide block, calibrating block,
Pull post, lock hanging electromagnet, cushion cap and computer；The X-axis drives module and Y-axis to drive module respectively by base, guide rail, silk
Bar, sliding block, shaft coupling and motor composition, the sliding block are connected with slide, and guide rail and motor are fixed on base, and screw mandrel leads to
Cross screw thread be rotatably connected in sliding block and screw mandrel two ends by bearings on the bearing at guide rail two ends, motor is by connection
Axle device is rotated with one end of screw mandrel and is connected, and X-axis drives the base of module to be fixed in frame, and Y-axis drives the base of module to fix
In on the sliding block that X-axis drives module；The raster scanning head is fixed on Y-axis and drives on the sliding block of module；The cushion cap is located at machine
On frame；The electromagnet of pulling is fixed on the sliding block of Y-axis driving module, and lock hanging electromagnet is fixed in frame；Two groups of secondary Y-axis
Guide rod is respectively arranged on cushion cap both sides, and two ends are fixed in frame；Secondary Y-axis sliding block is slideably sheathed on secondary Y-axis guide rod；Secondary X
The two ends of spindle guide bar are fixed on secondary Y-axis sliding block by secondary X-axis seat board, and calibrating block is slidingly disposed at secondary X by secondary X-axis slide block
On spindle guide bar, pull post and be fixed in calibrating block, pull iron mandrel's phase that post was provided with lock hanging electromagnet and pulled electromagnet
Horizontal, vertical two pin-and-holes of adaptation；The computer drives module and Y-axis to drive the motor of module, pull electromagnetism with X-axis respectively
Iron, lock hanging electromagnet, the connection of raster scanning head.
Preferably, the raster scanning head includes scanning head-shield, video camera, light source, extinction watt and original screen panel, video camera,
Light source, extinction watt and original screen panel are in scanning head-shield；The video camera is respectively provided on two sides with a light source, light located at centre
Source outside is provided with extinction watt, and the extinction watt is in open circles cylindricality, and original screen panel is provided with opening.
Preferably, the extinction watt is made of dark sponge, flannelette, non-woven fabrics or plastics.
Preferably, the upper surface of the calibrating block is the regular shape of height consecutive variations.
Preferably, also including illuminating lamp, the illuminating lamp is fixed in frame, and the lower section of module is driven positioned at X-axis.
The beneficial effects of the utility model：
The device that the utility model is provided overcomes current optical grating projection 3D e measurement technology Shortcomings, demarcates convenient, behaviour
Make simple, compared with prior art with substantive distinguishing features and progress.
Brief description of the drawings
Fig. 1：The schematic perspective view of the utility model device；
Fig. 2：The structural representation of raster scanning head；
Fig. 3：The annexation figure of computer and associated components；
In figure, 1- frames, 2-X axles drive module, 3-X axle sliding blocks, 4-Y axles to drive module, 5-Y axle sliding blocks, 6- gratings to sweep
Head is retouched, 7- pulls electromagnet, 8- pair Y-axis guide rods, 9- pair Y-axis sliding blocks, 10- pair X-axis seat boards, 11- pair X-axis guide rods, 12- pair X-axis
Sliding block, 13- calibrating blocks, 14- pulls post, and 15- pin-and-holes, 16- lock hanging electromagnet, 17- illuminating lamps, 18- computers, 19- scans head-shield,
20- video cameras, 21- original screen panels, 22- light sources, 23- extinctions watt, 24- cushion caps, J1- models.
Specific embodiment
The technical solution of the utility model is specifically introduced below in conjunction with the accompanying drawings.
Unenhanced formula self-calibration optical grating projection 3D as Figure 1-3 rebuilds instrument, including frame 1, X-axis drives module 2, Y-axis
Drive module 4, raster scanning first 6, pull electromagnet 7, secondary Y-axis guide rod 8, secondary Y-axis sliding block 9, secondary X-axis seat board 10, secondary X-axis guide rod
11st, secondary X-axis slide block 12, calibrating block 13, pull post 14, lock hanging electromagnet 16, cushion cap 24 and computer 18；The X-axis drives module 2
Module 4 is driven to be made up of base, guide rail, screw mandrel, sliding block, shaft coupling and motor respectively with Y-axis, the sliding block connects with slide
Connect, guide rail and motor are fixed on base, screw mandrel is rotatably connected in sliding block by screw thread and screw mandrel two ends pass through bearing
It is supported on the bearing at guide rail two ends, motor is rotated with one end of screw mandrel by shaft coupling and is connected, and X-axis drives the base of module 2
It is fixed in frame 1, Y-axis drives the base of module 4 to be fixed on X-axis and drives on the sliding block of module；The raster scanning first 6 is fixed
In on the sliding block that Y-axis drives module 4；The cushion cap 24 is in frame 1；The electromagnet 7 of pulling is fixed on Y-axis driving module
On 4 sliding block, lock hanging electromagnet 16 is fixed in frame 1；Two groups of secondary Y-axis guide rods 8 are respectively arranged on the both sides of cushion cap 24, and two ends are fixed
In in frame 1；Secondary Y-axis sliding block 9 is slideably sheathed on secondary Y-axis guide rod 8；The two ends of secondary X-axis guide rod 11 pass through secondary X-axis seat board
10 are fixed on secondary Y-axis sliding block 9, and calibrating block 13 passes through secondary X-axis slide block 12 and is slidingly disposed on secondary X-axis guide rod 11, pulls post
14 are fixed in calibrating block 13, pull post 14 and are provided with and lock hanging electromagnet 16 and pull the iron mandrel of electromagnet 7 and use gap
Horizontal, vertical two pin-and-holes 15 of tolerance fit；The computer 18 drives module 2 and Y-axis to drive the electricity of module 4 with X-axis respectively
Machine, pull electromagnet 7, lock hanging electromagnet 16, raster scanning first 6 and connect and (particularly connect with video camera therein and light source
Connect).The raster scanning first 6 includes scanning head-shield 19, video camera 20, light source 22, extinction watt 23 and original screen panel 21, video camera
20th, light source 22, extinction watt 23 and original screen panel 21 are in scanning head-shield 19；Located at centre, both sides set the video camera 20 respectively
There is a light source 22, the outside of light source 22 is provided with extinction watt 23, and the extinction watt 23 is in open circles cylindricality, and original screen panel is provided with opening
21。
Wherein, the extinction watt 23 is made of dark sponge, flannelette, non-woven fabrics or plastics；The upper surface of calibrating block 13
It is the regular shape of height consecutive variations；Also include illuminating lamp 17, the illuminating lamp 17 is fixed in frame 1, driven positioned at X-axis
The lower section of module 2.
Operation principle：
Original state is as follows after start-up operation：Raster scanning head, pull electromagnet and calibrating block returns to the upper left corner of cushion cap,
The iron core for pulling electromagnet is retracted, and the iron core of lock hanging electromagnet is stretched out and is inserted in the horizontal pin-and-hole for pulling post.
Material object is being carried out to need the three-dimensional measurement to device in cushion cap gamut to enter rower before 3D measurements are rebuild
Fixed just to can guarantee that later certainty of measurement, the calibration process of device is as follows：Computerized control system sends control signal by lock hanging electricity
The iron core of magnet shrinks, and releases to pulling the locking of post, while the iron core for pulling electromagnet stretches out and is inserted in pulls the perpendicular of post
To in pin-and-hole.Hereafter, control system drives module and Y-axis to drive module to drive raster scanning head to make in X/Y plane by X-axis
Scanning motion is demarcated, and drives calibrating block also to make scanning motion in cushion cap gamut by pulling electromagnet and pulling post.
Demarcate in scanning process, on each position residing for calibrating block, the light transmission that light source sends crosses original screen panel and forms optical grating projection
In calibrating block, computer calculates calibrating block by the projecting grating image in camera acquisition calibrating block by special-purpose software
3D shape and be compared with the known form of calibrating block, so as to three-dimensional measurement to device in cushion cap gamut enters
Rower is determined.After the completion of demarcation, computerized control system drive device comes back to original state.
The three-dimensional measurement that material object is can be carried out after completing is demarcated, its operating process is as follows：Operator is by reality to be measured
Thing model J1 is placed in the center of cushion cap, and starter enters measurement scanning mode, and its running is as follows：Control system passes through
X-axis drives module and Y-axis to drive module to drive raster scanning head to make the measurement scanning motion in X/Y plane, measures scanning process
In, on each position residing for raster scanning head, the light transmission that light source sends crosses original screen panel and forms optical grating projection in natural pattern
On type J1, computer passes through the projecting grating image on camera acquisition mock-up J1, by software according to measurement mark before this
Devise a stratagem calculates the 3D shape of mock-up J1.
Wherein X-axis drives module, Y-axis to drive module, pull electromagnet, lock hanging electromagnet, illuminating lamp, video camera, grating
Plate and computer can use existing matured product, and light source can use LED or other light sources, extinction watt using dark sponge, flannelette or
Non-woven fabrics, plastic manufacturing, other parts are manufactured using metal.
The effect of above-described embodiment is only that explanation essentiality content of the present utility model, but with this does not limit this practicality
New protection domain.It will be understood by those within the art that, the technical solution of the utility model can be repaiied
Change or equivalent, without deviating from the essence and protection domain of technical solutions of the utility model.
Claims (5)
1. a kind of unenhanced formula self-calibration optical grating projection 3D rebuilds instrument, it is characterised in that：Module, Y-axis is driven to drive including frame, X-axis
Dynamic model group, raster scanning head, pull electromagnet, secondary Y-axis guide rod, secondary Y-axis sliding block, secondary X-axis seat board, secondary X-axis guide rod, secondary X-axis and slide
Block, calibrating block, pull post, lock hanging electromagnet, cushion cap and computer；The X-axis drives module and Y-axis to drive module respectively the bottom of by
Seat, guide rail, screw mandrel, sliding block, shaft coupling and motor composition, the sliding block are connected with slide, and guide rail and motor are fixed on bottom
On seat, screw mandrel is rotatably connected in sliding block by screw thread and screw mandrel two ends pass through bearings in the bearing at guide rail two ends
On, motor is rotated with one end of screw mandrel by shaft coupling and is connected, and X-axis drives the base of module to be fixed in frame, and Y-axis drives mould
The base of group is fixed on X-axis and drives on the sliding block of module；The raster scanning head is fixed on Y-axis and drives on the sliding block of module；Institute
Cushion cap is stated to be located in frame；The electromagnet of pulling is fixed on the sliding block of Y-axis driving module, and lock hanging electromagnet is fixed on frame
On；Two groups of secondary Y-axis guide rods are respectively arranged on cushion cap both sides, and two ends are fixed in frame；Secondary Y-axis sliding block is slideably sheathed on secondary Y
On spindle guide bar；The two ends of secondary X-axis guide rod are fixed on secondary Y-axis sliding block by secondary X-axis seat board, and calibrating block passes through secondary X-axis slide block can
Slidably on secondary X-axis guide rod, pull post and be fixed in calibrating block, pull post and be provided with and lock hanging electromagnet and pull electromagnetism
Horizontal, vertical two pin-and-holes that the iron mandrel of iron is adapted；The computer drives module and Y-axis to drive module with X-axis respectively
Motor, pull electromagnet, lock hanging electromagnet, raster scanning head connection.
2. unenhanced formula self-calibration optical grating projection 3D according to claim 1 rebuilds instrument, it is characterised in that：The raster scanning
Head includes scanning head-shield, video camera, light source, extinction watt and original screen panel, and video camera, light source, extinction watt and original screen panel are located at scanning
In head-shield；The video camera is respectively provided on two sides with a light source located at centre, and light source outside is provided with extinction watt, the extinction watt
In open circles cylindricality, original screen panel is provided with opening.
3. unenhanced formula self-calibration optical grating projection 3D according to claim 2 rebuilds instrument, it is characterised in that：The extinction watt is adopted
It is made of dark sponge, flannelette, non-woven fabrics or plastics.
4. unenhanced formula self-calibration optical grating projection 3D according to claim 1 rebuilds instrument, it is characterised in that：The calibrating block
Upper surface is the regular shape of height consecutive variations.
5. unenhanced formula self-calibration optical grating projection 3D according to claim 1 rebuilds instrument, it is characterised in that：Also include illumination
Lamp, the illuminating lamp is fixed in frame, and the lower section of module is driven positioned at X-axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621031053.0U CN206192290U (en) | 2016-08-31 | 2016-08-31 | Flat formula self -calibrating optical grating projection 3D that sweeps rebuilds appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621031053.0U CN206192290U (en) | 2016-08-31 | 2016-08-31 | Flat formula self -calibrating optical grating projection 3D that sweeps rebuilds appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206192290U true CN206192290U (en) | 2017-05-24 |
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ID=58728265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621031053.0U Expired - Fee Related CN206192290U (en) | 2016-08-31 | 2016-08-31 | Flat formula self -calibrating optical grating projection 3D that sweeps rebuilds appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206192290U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823130A (en) * | 2019-10-22 | 2020-02-21 | 北京工业大学 | Structured light 3D vision rapid automatic calibration device and method |
| US11222480B2 (en) * | 2018-07-26 | 2022-01-11 | Subaru Corporation | Designing assistance system, designing assistance method, and computer readable medium |
-
2016
- 2016-08-31 CN CN201621031053.0U patent/CN206192290U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11222480B2 (en) * | 2018-07-26 | 2022-01-11 | Subaru Corporation | Designing assistance system, designing assistance method, and computer readable medium |
| CN110823130A (en) * | 2019-10-22 | 2020-02-21 | 北京工业大学 | Structured light 3D vision rapid automatic calibration device and method |
| CN110823130B (en) * | 2019-10-22 | 2021-09-14 | 北京工业大学 | Structured light 3D vision rapid automatic calibration device and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170524 Termination date: 20190831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |