CN104534983A - Automatic detection process method of workpiece assembling quality - Google Patents
Automatic detection process method of workpiece assembling quality Download PDFInfo
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- CN104534983A CN104534983A CN201410729550.7A CN201410729550A CN104534983A CN 104534983 A CN104534983 A CN 104534983A CN 201410729550 A CN201410729550 A CN 201410729550A CN 104534983 A CN104534983 A CN 104534983A
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Abstract
The invention relates to an automatic detection process method of the workpiece assembling quality. The method comprises the following steps that: (1), a workpiece is fixed and localized at a material level, a rotating material plate is rotated by a main shaft, and the workpiece is moved to one side of a detection module group; (2), a moving module group drives linear laser to carry out linear-motion scanning on the workpiece; (3), the linear laser localized at a predetermined position above the workpiece is rotated by a rotating motor so as to carry out rotating-motion scanning; and (4), the rotating material plate is rotated and thus the workpiece that has been detected is taken away from the detection module group in a rotating mode. According to the method provided by the invention, the moving module group with an X shaft and a Y shaft is used for move the detection module group, thereby realizing detection position changing flexibly and improving the detection efficiency; and with the main shaft of the rotating material plate, rapid changing of the taking-placing material level and the detection material level can be realized. During detection, replacement of the old and new workpieces can be carried out synchronously, thereby substantially saving the total time of detection. With the joint effect of the moving module group and the rotating motor, integration of the linear scanning and rotating scanning is realized.
Description
Technical field
What the present invention relates to a kind of assembling cuts gradient, concentricity and offset characterization processes, particularly relates to a kind of automatic characterization processes method of workpiece assembling quality.
Background technology
Carrying out, in assembling process, needing a lot of step to the camera lens of mobile phone or panel computer, as: material loading, the pros and cons of camera lens detects, the contraposition of camera lens and housing, the quality of gluing pressing assembling and detection assembling.Above-mentioned steps is more, but all just concentrate on a very little camera lens, wherein each step is related to the quality of installation and total duration of installation, and each step all needs precisely to process fast, installs simultaneously and wants can ensure in minimum error range.
Assembling terminates rear needs and carries out assembling quality detection in time when keeping camera lens and housing geo-stationary motionless, and processes in time detecting underproof fabricated section.Simultaneously in assembling and each process of detecting, due to installation dimension and the alignment error size major part that will detect have been exceeded naked eyes the scope that can differentiate easily, so each step all needs to operate by setting.
The present invention needs to be arranged on workpiece (i.e. the housing of panel computer) at the lens collar of annular, then to assign a fastener in lens collar, the concentricity of fastener and lens collar, cut gradient and offset all need into strict detection just can determine whether up-to-standard; The simultaneously part be extremely concerned about of efficiency Ye Shi our company of testing process, how realizing with the robotization in high level technically, rapid is of the present invention will realization.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, provide a kind of can quick technique of workpiece being carried out to the detection of assembling quality automatically.
For achieving the above object, the technical solution used in the present invention is: a kind of automatic characterization processes method of workpiece assembling quality, described pick-up unit comprises the pick-up unit being arranged on top and the rotation charging tray being arranged on below, described pick-up unit comprises mobile module and is arranged on the detection module on mobile module, the described both sides of rotation charging tray centered by its main shaft are centrosymmetric is provided with material level, detect module and be provided with the linear laser connected by electric rotating machine, it is characterized in that, comprise the following steps:
(1) workpiece is fixed positioned in material level, rotates charging tray by described in main axis, by workpiece movable to described detection module side;
(2) mobile module leading linear laser carries out the scanning of rectilinear motion to workpiece;
(3) be positioned at the linear laser in precalculated position above workpiece to be rotated by electric rotating machine, the scanning be rotated;
(4) rotate rotation charging tray, the changing of workpieces of end will be detected from detection module.
In a preferred embodiment of the present invention, while step (2) and (3) are carried out, be positioned at the position that opposite side picks and places material level, manually take off the workpiece be detected, then put into and do not detect workpiece.
In a preferred embodiment of the present invention, described mobile module is provided with orthogonal X-axis and Y-axis, and described detection module is located in described Y-axis and also can moves along Y-axis, and described Y-axis is mounted in X-axis and also can moves along described X-axis.
In a preferred embodiment of the present invention, described Y-axis is established spaced two detect modules, every side of described rotation charging tray is equipped with two material levels, is positioned at two and detects material levels below module for detecting material level, another two for picking and placeing material level.
In a preferred embodiment of the present invention, described Y-axis one end is mounted in X-axis, and the other end is mounted on slide, the axis of described slide and the axis being parallel of described X-axis.
In a preferred embodiment of the present invention, each detection module is equipped with a linear laser connected by electric rotating machine, and laser can be irradiated to and detect on material level by described linear laser, and described electric rotating machine can drive described linear laser to rotate at surface level.
In a preferred embodiment of the present invention, four angles of each described material level are equipped with a reversal means, and the equal rotating shaft of each described reversal means is arranged on and rotates on charging tray.
In a preferred embodiment of the present invention, free end and the described rotation charging tray interval of described reversal means are arranged, and described reversal means is L-shaped.
In a preferred embodiment of the present invention, the circumference of each described material level is all placed with several register pins, and the shape that described register pin simulates jointly is mated with described workpiece configurations.
In a preferred embodiment of the present invention, described register pin is provided with two fixed bits.
The invention solves the defect existed in background technology, the present invention uses the mobile module with X-axis and Y-axis to move detection module, can realize the conversion detecting position flexibly, improve detection efficiency; The main shaft rotating charging tray can realize the rapid translating picking and placeing material level and detect material level, simultaneously while detection, picks and places the replacing that material level synchronously can carry out new and old workpiece, the T.T. of the detection of greatly saving; Mobile module and electric rotating machine acting in conjunction, can realize the detected activity of linear laser various ways, and rectilinear scanning and rotation sweep are gathered together; Arranging very stable being fixed on material level of workpiece of reversal means, and it is all very directly convenient to pick and place workpiece; What register pin was strict determines the relative position of workpiece on material level, facilitates linear laser to find the position of lens collar and fastener like this; Reversal means and register pin simultaneously with the use of, by the position of workpiece, stability etc. are all improved, and complementaryly realize that it is functional.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the three-dimensional structure diagram of the preferred embodiments of the present invention;
Fig. 2 is the three-dimensional structure diagram removing lid of the preferred embodiments of the present invention;
Fig. 3 is the vertical view removing lid of the preferred embodiments of the present invention;
Fig. 4 is the three-dimensional structure diagram of the detection module of the preferred embodiments of the present invention;
Fig. 5 is the vertical view of the rotation charging tray of the preferred embodiments of the present invention;
Fig. 6 is the vertical view of the material level of the preferred embodiments of the present invention;
Fig. 7 is that under the heeling condition of the preferred embodiments of the present invention, fastener is embedded in the structural representation in lens collar;
Fig. 8 is the structural drawing that the fastener of the preferred embodiments of the present invention is not embedded in lens collar;
Fig. 9 is the structural drawing that the fastener of the preferred embodiments of the present invention is embedded in lens collar;
Figure 10 is the surface sweeping oscillogram whether the linear laser surface sweeping fastener of the preferred embodiments of the present invention exists;
Figure 11 is the schematic diagram that lens collar of the present invention and fastener offset detect;
Figure 12 is the schematic diagram that lens collar of the present invention and fastener concentricity detect;
In figure: 1, rotate charging tray, 2, material level, 3, reversal means, 4, register pin, 5, main shaft, 6, detect module, 7, linear laser, 8, electric rotating machine, 9, X-axis, 10, Y-axis, 11, slide, 12, lens collar, 13, fastener, 14, workpiece, 15, fixed bit.
Embodiment
The present invention is further detailed explanation in conjunction with the accompanying drawings and embodiments now, and these accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in figs. 1-12, a kind of automatic characterization processes method of workpiece assembling quality, described pick-up unit comprises the pick-up unit being arranged on top and the rotation charging tray 1 being arranged on below, pick-up unit comprises mobile module and is arranged on the detection module 6 on mobile module, rotate that the both sides of charging tray 1 centered by its main shaft 5 are centrosymmetric is provided with material level 2, detect module 6 and be provided with the linear laser 7 connected by electric rotating machine 8, it is characterized in that, comprise the following steps:
(1) workpiece 14 is fixed positioned in material level 2, is rotated by main shaft 5 and rotate charging tray 1, workpiece 14 is moved to and detects module 6 side;
(2) mobile module leading linear laser 7 pairs of workpiece 14 carry out the scanning of rectilinear motion;
(3) linear laser 7 being positioned at precalculated position above workpiece 14 is rotated by electric rotating machine 8, the scanning be rotated;
(4) rotating rotation charging tray 1, leaving detection module 6 by detecting the workpiece 14 terminated.
While step (2) and (3) are carried out, be positioned at the position that opposite side picks and places material level 2, manually take off the workpiece 14 be detected, then put into and do not detect workpiece 14.
Mobile module is provided with orthogonal X-axis 9 and Y-axis 10, detection module 6 is located in Y-axis 10 and also can moves along Y-axis 10, Y-axis 10 is mounted in X-axis 9 and also can moves along X-axis 9, Y-axis 10 is established spaced two detect module 6, the every side rotating charging tray 1 is equipped with two material levels 2, be positioned at two and detect material levels 2 below module 6 for detecting material level 2, another two for picking and placeing material level 2.Each material level 2 is equipped with the cell body with workpiece 14 form fit, when such workpiece 14 is put on material level 2, does not need manually to do micro-locality adjustment, reduces the time of putting into positioning workpieces 14.
Y-axis 10 one end is mounted in X-axis 9, and the other end is mounted on slide 11, the axis of slide 11 and the axis being parallel of X-axis 9.The motion of mobile like this module can be more stable, do not have jitter phenomenon, and realize detecting module 6 can rotate above charging tray 1 across.
Each detection module 6 is equipped with a linear laser 7 connected by electric rotating machine 8, and laser can be irradiated to and detect on material level 2 by linear laser 7, and electric rotating machine 8 can rotate at surface level by leading linear laser 7.
Four angles of each material level 2 are equipped with a reversal means 3, and each reversal means 3 all rotating shaft is arranged on rotation charging tray 1.
Free end and rotation charging tray 1 interval of reversal means 3 are arranged, and reversal means 3 is L-shaped.
The circumference of each material level 2 is all placed with several register pins 4, the shape that register pin 4 simulates jointly and workpiece 14 form fit.What register pin 4 was strict determines the relative position of workpiece 14 on material level 2, facilitates linear laser 7 to find the position of lens collar 12 and fastener 13 like this.
Described register pin 4 is provided with two fixed bits 15, and workpiece 14 can dislocation on two fixed bits 15 respectively, and such workpiece 14 two or more specifications that vary in size all can be detected on same rotation charging tray 1.
A kind of workpiece 14 assembling quality automatic detection device, comprise: be arranged on the pick-up unit of top and be arranged on the rotation charging tray 1 of below, pick-up unit comprises mobile module and is arranged on the detection module 6 on mobile module, rotate that the both sides of charging tray 1 centered by its main shaft 5 are centrosymmetric is provided with material level 2, detecting module 6 can move to above material level 2 by mobile module, the mobile module with X-axis 9 and Y-axis 10 is used to move detection module 6, the conversion detecting position can be realized flexibly, improve detection efficiency; The main shaft 5 rotating charging tray 1 can realize the rapid translating picking and placeing material level 2 and detect material level 2, simultaneously while detection, picks and places the replacing that material level 2 synchronously can carry out new and old workpiece 14, the T.T. of the detection of greatly saving; Mobile module and electric rotating machine 8 acting in conjunction, can realize the detected activity of linear laser 7 various ways, and rectilinear scanning and rotation sweep be gathered together.
Mobile module is provided with orthogonal X-axis 9 and Y-axis 10, detection module 6 is located in Y-axis 10 and also can moves along Y-axis 10, Y-axis 10 is mounted in X-axis 9 and also can moves along X-axis 9, Y-axis 10 is established spaced two detect module 6, the every side rotating charging tray 1 is equipped with two material levels 2, be positioned at two and detect material levels 2 below module 6 for detecting material level 2, another two for picking and placeing material level 2.
Y-axis 10 one end is mounted in X-axis 9, the other end is mounted on slide 11, the axis of slide 11 and the axis being parallel of X-axis 9, and the motion of mobile like this module can be more stable, do not have jitter phenomenon, and realize detecting module 6 can rotate above charging tray 1 across.
Each detection module 6 is equipped with a linear laser 7 connected by electric rotating machine 8, and laser can be irradiated to and detect on material level 2 by linear laser 7, and electric rotating machine 8 can rotate at surface level by leading linear laser 7.
Four angles of each material level 2 are equipped with a reversal means 3, and each reversal means 3 all rotating shaft is arranged on rotation charging tray 1, and free end and rotation charging tray 1 interval of reversal means 3 are arranged, and reversal means 3 is L-shaped.Very stable for workpiece 14 is fixed on material level 2 by arranging of reversal means 3, and it is all very directly convenient to pick and place workpiece 14.
During rectilinear scanning one time, detect and judge whether fastener 13 is embedded in lens collar 12, software foundation linear laser 7 scan fastener 13 place the oscillogram that obtains, judge whether to inlay fastener 13.
Electric rotating machine 8 drives linear laser 7 to detect degree of tilt and offset.According to the data that linear laser 7 scans, sweep trace is fitted to plane, respectively degree of tilt and offset are judged by the depth of parallelism of two planes and concentricity.
According to the locus of two planes, calculate maximum Step and minimum Step, offset can be completed and detect.Judge whether according to the plane included angle calculating gained simultaneously.
Linear laser 7: detect judge whether fastener 13 is inlayed, degree of tilt and offset;
Electric rotating machine 8, adjustment linear laser 7 detection side to.
1. artificial being placed on by workpiece 14 rotates on charging tray 1, and workpiece 14 is fixed by reversal means 3;
2. rotate charging tray 1 dextrorotation turnback, clamping workpiece 14 is delivered to detection material level 2 and detect;
3. detected rear rotation charging tray 1 and be rotated counterclockwise 180 degree, sent by the workpiece 14 detected, operating personnel can be reentered into new workpiece 14, rotate the rotation of charging tray 1 inverse clock and newly clamping workpiece 14 are sent into detection zone simultaneously.
In Figure 10, a waveform is the lens collar 12 sweep waveform figure of the not embedding fastener 13 illustrated in Fig. 8, and b waveform is the lens collar 12 sweep waveform figure of the embedding fastener 13 illustrated in Fig. 9, according to two kinds of different waveforms, can be easy to judge whether workpiece 14 is provided with fastener 13.
In Figure 11, c and d is the minimum and maximum spacing between lens collar 12 and fastener 13 end face respectively, and z is offset angle; In Figure 12, e and f is minimum and maximal clearance between lens collar 12 and fastener 13 end face respectively.
Measure offset method: a., according to the data of laser scanning point, takes out 4 points respectively and simulates lens collar 12 plane and fastener 13 end face; B. according to the locus of two planes, maximum spacing and minimum spacing is calculated, and angle; C. finally offset is calculated.
Measure distance method: a. calibration principle, the object of image calibration is the relation in order to set up between image coordinate system and physical coordinates system, also can obtain the physical size corresponding to single pixel simultaneously; B. assemble contraposition, obtained the geometric position of inside and outside two circles by image procossing, be converted to actual value according to calibration result, calculate minimax gap width by two circle center line connectings, assembling limit, limit adjusts.
Above according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, related personnel in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on instructions, must determine technical scope according to right.
Claims (10)
1. the automatic characterization processes method of workpiece assembling quality, described pick-up unit comprises the pick-up unit being arranged on top and the rotation charging tray being arranged on below, described pick-up unit comprises mobile module and is arranged on the detection module on mobile module, the described both sides of rotation charging tray centered by its main shaft are centrosymmetric is provided with material level, detect module and be provided with the linear laser connected by electric rotating machine, it is characterized in that, comprise the following steps:
(1) workpiece is fixed positioned in material level, rotates charging tray by described in main axis, by workpiece movable to described detection module side;
(2) mobile module leading linear laser carries out the scanning of rectilinear motion to workpiece;
(3) be positioned at the linear laser in precalculated position above workpiece to be rotated by electric rotating machine, the scanning be rotated;
(4) rotate rotation charging tray, the changing of workpieces of end will be detected from detection module.
2. the automatic characterization processes method of workpiece assembling quality according to claim 1, is characterized in that: while step (2) and (3) are carried out, is positioned at the position that opposite side picks and places material level, manually takes off the workpiece be detected, then put into and do not detect workpiece.
3. the automatic characterization processes method of workpiece assembling quality according to claim 1, it is characterized in that: described mobile module is provided with orthogonal X-axis and Y-axis, described detection module is located in described Y-axis and also can moves along Y-axis, and described Y-axis is mounted in X-axis and also can moves along described X-axis.
4. the automatic characterization processes method of workpiece assembling quality according to claim 3, it is characterized in that: described Y-axis is established spaced two detect module, every side of described rotation charging tray is equipped with two material levels, be positioned at two and detect material levels below module for detecting material level, another two for picking and placeing material level.
5. the automatic characterization processes method of workpiece assembling quality according to claim 3, is characterized in that: described Y-axis one end is mounted in X-axis, and the other end is mounted on slide, the axis of described slide and the axis being parallel of described X-axis.
6. the automatic characterization processes method of workpiece assembling quality according to claim 4, it is characterized in that: each detection module is equipped with a linear laser connected by electric rotating machine, laser can be irradiated to and detect on material level by described linear laser, and described electric rotating machine can drive described linear laser to rotate at surface level.
7. the automatic characterization processes method of workpiece assembling quality according to claim 1, is characterized in that: four angles of each described material level are equipped with a reversal means, and the equal rotating shaft of each described reversal means is arranged on and rotates on charging tray.
8. the automatic characterization processes method of workpiece assembling quality according to claim 7, is characterized in that: free end and the described rotation charging tray interval of described reversal means are arranged, and described reversal means is L-shaped.
9. the automatic characterization processes method of workpiece assembling quality according to claim 1, is characterized in that: the circumference of each described material level is all placed with several register pins, and the shape that described register pin simulates jointly is mated with described workpiece configurations.
10. the automatic characterization processes method of workpiece assembling quality according to claim 9, is characterized in that: described register pin is provided with two fixed bits.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105127739A (en) * | 2015-09-03 | 2015-12-09 | 慈溪市益达电器有限公司 | Clutch self-assembling system and method |
| CN105173154A (en) * | 2015-09-03 | 2015-12-23 | 慈溪市益达电器有限公司 | Clutch automatic packing system and packing method thereof |
| CN114309870A (en) * | 2022-02-19 | 2022-04-12 | 深圳市赢创智联科技有限公司 | A wastrel maintenance platform for semiconductor processing |
| CN116718120A (en) * | 2023-05-29 | 2023-09-08 | 苏州佳祺仕科技股份有限公司 | Workpiece size detection device and detection method |
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Application publication date: 20150422 |