CN207215020U - Corner governor motion for the demarcation of bilinear laser - Google Patents
Corner governor motion for the demarcation of bilinear laser Download PDFInfo
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- CN207215020U CN207215020U CN201721081086.0U CN201721081086U CN207215020U CN 207215020 U CN207215020 U CN 207215020U CN 201721081086 U CN201721081086 U CN 201721081086U CN 207215020 U CN207215020 U CN 207215020U
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- axle bed
- axle
- worm
- worm screw
- worm gearing
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Abstract
Corner governor motion for the demarcation of bilinear laser belongs to the linear laser diode angular adjustment apparatus field of line-structured light vision system, and the mechanism includes casing, the first knob, the second knob, the first axle bed, the second axle bed, supporting plate, the first worm gearing and the second worm gearing.By corner governor motion of the present utility model two linear laser diodes can be made to be rotated respectively according to around fixed axis by given angle, therefore operation can be greatly decreased and calculate link, improve the solving precision of operation efficiency and structure optical plane S space equations, and equipment cost is significantly reduced, improve the stated accuracy of vision measurement system and simplify calibration process.In addition, corner governor motion of the present utility model has both the double effects for improving demarcation efficiency and reducing calibrated error.
Description
Technical field
The utility model belongs to the linear laser diode angular adjustment apparatus field of line-structured light vision system, and in particular to one
Kind is used for the corner governor motion of bilinear laser demarcation.
Background technology
Vision measurement technology can be well adapted for the new standard that modern industry proposed to workpiece configurations size detection and will
Ask, be a kind of contactless profile measurement means for having both precision and efficiency.Line-structured light vision system is vision measurement technology
One of Typical Representative, its general principle is complete to spatial attitude is projected on space object to be detected using linear laser diode
Known laser plane, projection striation is formed on a surface of an, and the projection striation is moved along known scanning direction
Or rotate, then several photographs are shot by high-precision video camera respectively to diverse location of the aforementioned projection striation in scanning process
Piece.Then, using optical losses detection technique, the pixel coordinate of the striation characteristic point of body surface is extracted.Then demarcation is utilized
The Constructed Lighting Vision System parameter of acquisition, the pixel coordinate of features described above point is projected in camera coordinate system, so as to obtain
The 3D contour features of body surface.
Structured-light system is applied to before actual measurement, its need by the method demarcated be respectively completed camera calibration with
Light-plane calibration, camera calibration are to obtain intrinsic parameters of the camera, and Light-plane calibration is to ask for structure optical plane S
The space equation of (Structured lightplane) under camera coordinate system, therefore, structure optical plane S space equation
Determination method and determine precision, be line-structured light vision system service precision important leverage link.
The method for being currently used for determining structure optical plane S is typically that a linear laser diode is used only, and by the laser
It is each attached to video camera on unified slide rail motion platform, video camera and linear laser diode are projected and shot as an entirety
Mechanism, the slide rail motion platform is moved by the unwinding direction along optical axis direction or optical axis respectively, to obtain different postures and position
Corresponding laser striation photo under putting, so as to calculate and parse structure light plane S space equation.Hereafter, then will complete
During calibrated line-structured light vision system is applied to workpiece configurations profile scan and identification, to ensure measurement accuracy.
However, accurate and expensive for the slide rail motion platform for carrying video camera and a linear laser diode, it is each time
Move to after new position, be both needed to the spatial attitude for settling accounts linear laser diode again and the space bit for recalculating video camera
Put, this solution process is complicated and cumbersome, and error precision is not ideal enough.If can be fixed by video camera, and two be introduced simultaneously
Individual linear laser diode, and two linear laser diodes is rotated respectively according to around fixed axis by given angle, then may be used
So that operation is greatly reduced and calculates link, the solving precision of operation efficiency and structure optical plane S space equations is improved, and significantly
Equipment cost is reduced, the stated accuracy of vision measurement system is improved and simplifies calibration process.
Therefore, research and development it is a and meanwhile accommodate two linear laser diodes, and can make two linear laser diodes respectively according to around
The caliberating device that fixed axis is rotated by given angle, there is important practical significance.
Utility model content
In order to solve existing Vision Measuring System With Structured Light Stripe without can accommodate two linear laser diodes simultaneously and make two
Individual linear laser diode is respectively according to the technical problem of the caliberating device rotated around fixed axis by given angle, this reality
With a kind of corner governor motion demarcated for bilinear laser of new offer.
The utility model technical solution adopted for solving the technical problem is as follows:
For the corner governor motion of bilinear laser demarcation, it includes casing, the first knob, the second knob, first
Axle bed, the second axle bed, supporting plate, the first worm gearing and the second worm gearing;Casing is by top panel, below
The rectangular parallelepiped structure that plate, front panel, rear board, left panel and right panel are formed, front panel are provided with two use arranged up and down
In the through hole of installation linear laser diode, left panel is provided with the through hole that two arranged up and down are used to install knob;First axle bed
It is installed in parallel in the second axle bed on top panel, supporting plate is placed between the first axle bed and the second axle bed, and supporting plate is fixed on
On panel, supporting plate is provided with two axis holes arranged up and down;The left end of first worm gearing is upper through the first axle bed
Portion simultaneously connects with the first axle bed axle, and the upper axis of the right-hand member of the first worm gearing and the second axle bed connects, the first worm-drive machine
The lower end of structure passes through the axis hole on supporting plate top and connected with support board shaft;The left end of second worm gearing passes through the first axle bed
Bottom and connect with the first axle bed axle, the bottom axle of the right-hand member of the second worm gearing and the second axle bed connects, the second worm screw biography
The lower end of motivation structure passes through the axis hole of supporting plate bottom and connected with support board shaft;After first knob passes through the through hole on left panel top
Be connected with the left end of the first worm gearing, the second knob through left panel bottom through hole after with the second worm gearing
Left end be connected.
Above-mentioned first worm gearing includes the first worm screw and the first turbine, and the first worm screw engages with the first turbine, the
The upper axis of the left end of one worm screw and the first axle bed connects, and the right-hand member of the first worm screw and the upper axis of the second axle bed connect, the first turbine
Front end and supporting plate upper axis connect.
Above-mentioned second worm gearing includes the second worm screw and the second turbine, and the second worm screw engages with the second turbine, the
The bottom axle of the left end of two worm screws and the first axle bed connects, and the bottom axle of the right-hand member of the second worm screw and the second axle bed connects, the second turbine
Front end and the bottom axle of supporting plate connect.
Above-mentioned first worm gearing and the second worm gearing are the curved tooth cylindrical worms that gearratio is 100
Transmission mechanism, its worm screw axial plane flank profil are concave arc, and worm gear flank profil is dome arc;First worm screw is parallel with both the second worm screws.
The beneficial effects of the utility model are:The corner governor motion passes through casing, the first axle bed, the second axle bed and branch
Fagging causes the first worm screw to be arranged in parallel with both the second worm screws, the first worm screw and the second worm screw respectively with corresponding first straight line
Two linear laser diodes of laser and second straight line laser are coaxially connected, and then make the diameter parallel of two linear laser diodes.
First knob, the second knob distinguish the first worm screw and the other end of the second worm screw is coaxially connected.Therefore, by the first knob and
Second knob, the rotational angle of first straight line laser and second straight line laser can be adjusted respectively, so that by both it
The structure optical plane S projected1With structure optical plane S2A variety of relative attitude angled relationships can be formed, are carried for demarcation operation
For new nominal data, enter without needing accurate and expensive slide rail motion platform, and the video camera enable is fixed, drop
Its low adjustment and damage risk, and increase the accuracy of nominal data.
Two linear laser diodes can be made respectively according to around fixed axis by corner governor motion of the present utility model
Rotated by given angle, therefore operation can be greatly decreased and calculate link, improve operation efficiency and structure optical plane S
The solving precision of space equation, and equipment cost is significantly reduced, stated accuracy and the simplification for improving vision measurement system are calibrated
Journey.In addition, the utility model corner governor motion have both improve demarcation efficiency and reduce calibrated error double effects, have compared with
High promotion and use value.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram for the corner governor motion that the utility model is used for the demarcation of bilinear laser;
Fig. 2 is the main structure diagram for the corner governor motion that the utility model is used for the demarcation of bilinear laser;
Fig. 3 is Fig. 1 blast assembling schematic diagram;
Fig. 4 is that the utility model is used for the stereochemical structure that the corner governor motion that bilinear laser is demarcated does not include casing
Schematic diagram.
Embodiment
As shown in Figures 1 to 4, the utility model be used for bilinear laser demarcation corner governor motion include casing 1,
First knob 2, the second knob 3, the first axle bed 4, the second axle bed 5, supporting plate 6, the first worm gearing 7 and the second worm screw pass
Motivation structure 8.
Casing 1 is by top panel 1-1, lower panel 1-2, front panel 1-3, rear board 1-4, left panel 1-5 and right panel 1-6
The rectangular parallelepiped structure of composition, front panel 1-3 are provided with the through hole that two arranged up and down are used to install linear laser diode, left panel
1-5 is provided with the through hole that two arranged up and down are used to install knob.
First axle bed 4 and the second axle bed 5 are installed in parallel on top panel 1-1, and supporting plate 6 is placed in the first axle bed 4 and second
Between axle bed 5, supporting plate 6 is fixed in the above on plate 1-1, and supporting plate 6 is provided with two axis holes arranged up and down.
The left end of first worm gearing 7 connects through the top of the first axle bed 4 and with the axle of the first axle bed 4, the first worm screw
The upper axis of the right-hand member of transmission mechanism 7 and the second axle bed 5 connects, and the lower end of the first worm gearing 7 passes through the top of supporting plate 6
Axis hole simultaneously connects with the axle of supporting plate 6.
The left end of second worm gearing 8 connects through the bottom of the first axle bed 4 and with the axle of the first axle bed 4, the second worm screw
The bottom axle of the right-hand member of transmission mechanism 8 and the second axle bed 5 connects, and the lower end of the second worm gearing 8 passes through the bottom of supporting plate 6
Axis hole simultaneously connects with the axle of supporting plate 6.
First knob 2 with the left end of the first worm gearing 7 through being connected after the through hole on left panel 1-5 tops, and second
Knob 3 with the left end of the second worm gearing 8 through being connected after the through hole of left panel 1-5 bottoms.
First worm gearing 7 includes the first worm screw 7-1 and the first turbine 7-2, the first worm screw 7-1 and the first turbine 7-
The upper axis of 2 engagements, the first worm screw 7-1 left end and the first axle bed 4 connects, and the first worm screw 7-1 right-hand member is upper with the second axle bed 5
Portion's axle connects, and the first turbine 7-2 front end connects with the upper axis of supporting plate 6.
Second worm gearing 8 includes the second worm screw 8-1 and the second turbine 8-2, the second worm screw 8-1 and the second turbine 8-
The bottom axle of 2 engagements, the second worm screw 8-1 left end and the first axle bed 4 connects, under the second worm screw 8-1 right-hand member and the second axle bed 5
Portion's axle connects, and the second turbine 8-2 front end connects with the bottom axle of supporting plate 6.
First worm gearing 7 and the second worm gearing 8 are the curved tooth cylindrical worm biographies that gearratio is 100
Motivation structure, its worm screw axial plane flank profil is concave arc and worm gear flank profil is dome arc, and the structure causes contact line to slide speed with relative
Angle between degree is larger, therefore is easily formed lubricating oil film, and convex-concave flank profil is meshed, flank profil equivalent curvature in contact line
Radius is larger, and contact stress is relatively low, thus its bearing capacity and efficiency are height compared with other cylindrical worm gearing transmissions, and hence in so that
The structure of corner governor motion of the present utility model is more compact, small volume, in light weight.First worm screw 7-1 and the second worm screw 8-1
The two is parallel.
As shown in figure 1, concrete application it is of the present utility model for bilinear laser demarcation corner governor motion when, will
First straight line laser 9 and second straight line laser 10 are coaxial with the first worm screw 7-1 and the second worm screw 8-1 connected respectively, then
First straight line laser 9 and second straight line laser 10 is set to be worn respectively from two linear laser diode through holes on front panel 1-3
Go out, and by front panel 1-3 installations with the front end face of casing 1, that is, completing the installation of mechanism, now, first straight line laser 9
It is axially in parallel with second straight line laser 10.
As shown in Fig. 2 the corner governor motion is placed in into horizontal plane, and swash first straight line laser 9 and second straight line
Light device 10 towards given known direction, is separately turned on first straight line laser 9 and second straight line laser 10, you can by it
The structure optical plane S of the two1With structure optical plane S2On projection to scaling board or workpiece, video camera is utilized so as to come into effect
Take pictures and project striation extraction parsing operation.
As a structure optical plane S1With structure optical plane S2Relative attitude complete shooting after, rotate first by hand respectively
The knob 3 of knob 2 and second, can change structure optical plane S respectively1With structure optical plane S2Relative attitude, so as to obtain down
The new spatial attitude relation of one group of projection striation, so as to provide new nominal data for demarcation operation.
Claims (4)
1. the corner governor motion for the demarcation of bilinear laser, it is characterised in that the mechanism includes casing (1), the first rotation
Button (2), the second knob (3), the first axle bed (4), the second axle bed (5), supporting plate (6), the first worm gearing (7) and second
Worm gearing (8);
Casing (1) be by top panel (1-1), lower panel (1-2), front panel (1-3), rear board (1-4), left panel (1-5) and
The rectangular parallelepiped structure that right panel (1-6) is formed, front panel (1-3) are provided with two arranged up and down and are used to install linear laser diode
Through hole, left panel (1-5) is provided with arrange up and down two through holes for being used to install knob;
First axle bed (4) is installed in parallel on top panel (1-1) with the second axle bed (5), and supporting plate (6) is placed in the first axle bed (4)
Between the second axle bed (5), supporting plate (6) is fixed in the above on plate (1-1), and supporting plate (6) is provided with two arranged up and down
Axis hole;
The left end of first worm gearing (7) connects through the top of the first axle bed (4) and with the first axle bed (4) axle, the first snail
The right-hand member of bar transmission mechanism (7) and the upper axis of the second axle bed (5) connect, and the lower end of the first worm gearing (7) passes through support
The axis hole on plate (6) top simultaneously connects with supporting plate (6) axle;
The left end of second worm gearing (8) connects through the bottom of the first axle bed (4) and with the first axle bed (4) axle, the second snail
The right-hand member of bar transmission mechanism (8) and the bottom axle of the second axle bed (5) connect, and the lower end of the second worm gearing (8) passes through support
The axis hole of plate (6) bottom simultaneously connects with supporting plate (6) axle;
First knob (2) with the left end of the first worm gearing (7) through being connected after the through hole on left panel (1-5) top, and the
Two knobs (3) with the left end of the second worm gearing (8) through being connected after the through hole of left panel (1-5) bottom.
2. the corner governor motion for the demarcation of bilinear laser as claimed in claim 1, it is characterised in that described first
Worm gearing (7) includes the first worm screw (7-1) and the first turbine (7-2), the first worm screw (7-1) and the first turbine (7-2)
Engagement, the left end of the first worm screw (7-1) and the upper axis of the first axle bed (4) connect, the right-hand member and the second axle bed of the first worm screw (7-1)
(5) upper axis connects, and the front end of the first turbine (7-2) connects with the upper axis of supporting plate (6).
3. the corner governor motion for the demarcation of bilinear laser as claimed in claim 1, it is characterised in that described second
Worm gearing (8) includes the second worm screw (8-1) and the second turbine (8-2), the second worm screw (8-1) and the second turbine (8-2)
Engagement, the left end of the second worm screw (8-1) and the bottom axle of the first axle bed (4) connect, the right-hand member and the second axle of the second worm screw (8-1)
The bottom axle of seat (5) connects, and the front end of the second turbine (8-2) connects with the bottom axle of supporting plate (6).
4. the corner governor motion for the demarcation of bilinear laser as claimed in claim 3, it is characterised in that described first
Worm gearing (7) and the second worm gearing (8) are the curved tooth cylindrical worm gearing transmission mechanisms that gearratio is 100,
Its worm screw axial plane flank profil is concave arc, and worm gear flank profil is dome arc;Both first worm screw (7-1) and the second worm screw (8-1) are parallel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721081086.0U CN207215020U (en) | 2017-08-25 | 2017-08-25 | Corner governor motion for the demarcation of bilinear laser |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721081086.0U CN207215020U (en) | 2017-08-25 | 2017-08-25 | Corner governor motion for the demarcation of bilinear laser |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207215020U true CN207215020U (en) | 2018-04-10 |
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ID=61817105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721081086.0U Expired - Fee Related CN207215020U (en) | 2017-08-25 | 2017-08-25 | Corner governor motion for the demarcation of bilinear laser |
Country Status (1)
Country | Link |
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CN (1) | CN207215020U (en) |
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2017
- 2017-08-25 CN CN201721081086.0U patent/CN207215020U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20180825 |