A kind of glass key bore edges thickness high-precision full-automatic detects machine
Technical field
The present invention relates to checkout equipment technical field, particularly a kind of glass key bore edges thickness high-precision full-automatic detects machine.
Background technology
The detection of high-accuracy glass key hole edge thickness is a difficult problem of the industries such as consumer electronics, and traditional method directly measures by clock gauge, and precision is high, but efficiency comparison is low.What have detects two points diametrically by a laser instrument, and then laser instrument rotates to an angle, then detects other two points diametrically, also the thickness of glass key up contour point can be detected, each only to detect a slice workpiece, length consuming time, efficiency is low.
Summary of the invention
The object of the invention is to provide a kind of glass key bore edges thickness high-precision full-automatic and detects machine, and its compact conformation, measuring accuracy are high, measuring speed is fast, Measurement sensibility and efficiency high, the detection efficiency of raising glass key bore edges thickness greatly.
Based on the problems referred to above, technical scheme provided by the invention is:
A kind of glass key bore edges thickness high-precision full-automatic detects machine, comprise frame, the pick-up unit being arranged on the shell in described frame and being arranged in described shell, two lateral openings that described shell is adjacent, described pick-up unit comprises worktable, be arranged on the laser detection mechanism on described worktable and jig rotation mechanism, drive unit below described jig rotation mechanism and described worktable is in transmission connection, described jig rotation mechanism comprises rotating disk and is evenly arranged on the Workpiece fixing tool on described disk peripheral, workpiece is fixed on described Workpiece fixing tool and moves to described laser detection mechanism to detect the thickness in glass key hole through described jig rotation mechanism, described laser detection mechanism, described jig rotation mechanism is connected with PLC respectively with described drive unit.
Further, described rotating disk is provided with eight Workpiece fixing tools, wherein described rotating disk is divided into feeding station by every two described Workpiece fixing tools successively, first detects station, second detects station and discharge station, described feeding station and described discharge station lay respectively at the one side of described shell aperture, described laser detection mechanism comprises first, second laser detecting apparatus and they lay respectively at the quadrant round angle of described rotating disk direction on and corresponding described first detect station and second and detect station, workpiece through described feeding station material loading detects station and described second through described first respectively and detects station to detect the thickness in glass key hole.
Further, the laser projection of 2D laser on same workpiece of first, second laser detecting apparatus described is by two of the described glass key hole circle heart crossing lines.
Further, the two sides that described shell is being provided with described feeding station and described discharge station is respectively equipped with safe grating.
Further, described Workpiece fixing tool is provided with the glass key hole of elastic bumps for fixing described workpiece of known thickness, the shape of described elastic bumps and described glass key hole match and it is highly greater than the thickness in described glass key hole, during detection, the lower surface of projection polishes and is close to the bottom surface in glass key hole, glass key bore edges Thickness sensitivity is converted into the thickness detected between glass key bore edges and elastic bumps upper surface.
Further, described Workpiece fixing tool be also provided with vacuum sucking holes for by described absorption of workpieces at described Workpiece fixing tool, be provided with vacuum breathing apparatus below described vacuum sucking holes.
Further, described shell is provided with the touch-screen be connected with described PLC, the below of described touch-screen be provided be electrically connected with described PLC startup, reset and scram button.
Further, dark protective cover is also provided with in described shell.
Further, described discharge station is provided with testing result pilot lamp.
Further, the bottom of described support is also provided with pin cup and castor
Compared with prior art, advantage of the present invention is:
Adopt technical scheme of the present invention, this apparatus structure is compact, measuring accuracy is high, measuring speed is fast, and Measurement sensibility and efficiency high, solve glass key bore edges thickness high precision, a fully-automated synthesis difficult problem, its measuring accuracy can reach≤and 5 μm, every sheet workpiece cycle length is for being less than or equal to 1.5s.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation that a kind of glass key bore edges of the present invention thickness high-precision full-automatic detects machine embodiment;
Fig. 2 is the structural representation of embodiment of the present invention workpiece for measurement;
Fig. 3 is the structural representation of jig rotation mechanism in the embodiment of the present invention;
Fig. 4 is the structural representation of Workpiece fixing tool in the embodiment of the present invention;
Fig. 5 is the structural representation of pick-up unit in the embodiment of the present invention;
Wherein: 1, first detect light; 2, second light is detected; 3, glass key hole; 4, tested point; 5, workpiece for measurement; 6, tri-colour LED; 7, shell; 8, touch-screen; 9, safe grating; 10, discharge station; 11, frame; 12, pin cup; 13, castor; 14, PLC; 15, feeding station; 16, safe grating; 17, startup, reset, scram button; 18, worktable; 19, rotating disk; 20, drive unit; 21, first station is detected; 22, the first laser detecting apparatus; 23, the second laser detecting apparatus; 24,2D laser; 25, second station is detected; 26, Workpiece fixing tool; 27, protruding; 28, vacuum sucking holes.
Embodiment
Below in conjunction with specific embodiment, such scheme is described further.Should be understood that these embodiments are not limited to for illustration of the present invention limit the scope of the invention.The implementation condition adopted in embodiment can do further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in normal experiment.
See Fig. 1-5, for the structural representation of the embodiment of the present invention, a kind of glass key bore edges thickness high-precision full-automatic is provided to detect machine, it comprises frame 11, the pick-up unit being arranged on the shell 7 in frame 11 and being arranged in shell 7, the two sides that shell 7 is adjacent is that opening is to facilitate material loading and the blanking of workpiece, pick-up unit comprises worktable 18 and the laser detection mechanism be arranged on worktable 18 and jig rotation mechanism, wherein jig rotation mechanism is electrically connected with the drive unit 20 below worktable 18, the Workpiece fixing tool 26 that jig rotation mechanism comprises rotating disk 19 and is evenly distributed on rotating disk 19, workpiece for measurement 5 is fixed on Workpiece fixing tool 26 and under the drive of jig rotation mechanism, moves to laser detection mechanism to detect the thickness at edge, glass key hole 3 on workpiece, in order to realize the Automated condtrol detected, above-mentioned laser detection mechanism, jig rotation mechanism and drive unit 20 are connected with the PLC 14 be arranged on below frame 11 respectively.
Concrete, above-mentioned rotating disk 19 is provided with eight Workpiece fixing tools 26, wherein rotating disk is divided into feeding station 15 by every two Workpiece fixing tools 26 successively, first detects station 21, second detects station 25 and discharge station 10, wherein feeding station 15 and discharge station 10 lay respectively at the one side of shell 7 opening, laser detection mechanism comprise the first laser detecting apparatus 22 and the second laser detecting apparatus 23 and they lay respectively at rotating disk quadrant on and corresponding first detect station 21 and second and detect station 25 respectively, workpiece rotates successively and detects station 21 and second to first and detect station 25 and detect after feeding station 15 material loading.
In order to prevent in testing process, the injury that board may bring operating personnel, be respectively equipped with safe grating 16 and safe grating 9 on the two sides of the corresponding feeding station 15 of shell 7 and discharge station 10, the top of shell 7 is provided with tri-colour LED 6 to show the duty that the present invention detects machine.
See Fig. 2, for the structural representation of workpiece for measurement, that the first detection light 1 and second detects light 2, first and detects light 1 and second to detect light 2 with the intersection point at edge, glass key hole 3 be tested point 4 respectively through two of the center of circle, glass key hole 3 crossing straight lines in figure.During detection by the first workpiece for measurement and the second workpiece for measurement through feeding station 15 material loading, rotating disk 19 rotates 45 degree, wherein the first workpiece for measurement rotates to the first detection station 21, first laser detecting apparatus 22 projects 2D laser to glass key hole 3, laser projection is as shown in the first detection light 1 in Fig. 2, rotating disk 19 continues rotation 45 degree, and the first laser detecting apparatus 22 detects the glass key hole 3 of the second workpiece for measurement, rotating disk 19 continues rotation 45 degree, now the second laser detecting apparatus 23 detects the first workpiece for measurement, its laser projection light is as shown in the second detection light 2 in Fig. 2, then rotating disk 19 continues rotation 45 degree, second laser detecting apparatus 23 detects the second workpiece for measurement, visible in testing process the first laser detecting apparatus 22 and the laser projection of the second laser detecting apparatus 23 on same workpiece for measurement to be intersected by the center of circle, glass key hole 3, successively same workpiece is carried out to the detection of glass key hole 3 edge thickness by two laser detecting apparatus, each detection laser line and product relative position are stablized, make the result of detection more accurate.
See Fig. 4, Workpiece fixing tool 26 is provided with elastic bumps 27, the shape of this projection 27 and glass key hole 3 of workpiece matches and it is highly greater than the thickness in glass key hole 3, the height of protruding 27 is known, the lower surface of protruding 27 polishes and is close to the bottom surface in glass key hole 3, glass key hole 3 edge thickness is detected the Thickness sensitivity problem be converted between edge, glass key hole 3 and elastic bumps 27 upper surface, reduce glass key bore edges Thickness sensitivity difficulty.The bottom surface of workpiece for measurement 5 and the bottom surface of elastic bumps 27 are in same plane, Workpiece fixing tool 26 is also provided with vacuum sucking holes 28, the key hole of workpiece is fixed in this projection 27 during detection, workpiece for measurement 5 body is then fixed on Workpiece fixing tool 26 under the suction of vacuum sucking holes 28, the below of corresponding vacuum sucking holes 28 is provided with vacuum breathing apparatus (not shown), when workpiece for measurement 5 is through laser detecting apparatus, to detect the thickness at edge, glass key hole 3 to the height of elastic bumps 27 upper surface by detecting glass key hole 3 marginal point, accuracy of detection high speed is fast.
Shell 7 is also provided with the touch-screen 8 be connected with PLC 14, the below of touch-screen 8 be provided be electrically connected with PLC 14 startup, reset and scram button 17.
In order to prevent extraneous natural light on the impact of testing result, in shell 7, being also provided with dark protective cover pick-up unit is covered.
Discharge station 10 is provided with testing result pilot lamp and scram button, testing result pilot lamp comprises testing result OK and NG two kinds of pilot lamp, handled easily personnel carry out go-on-go according to pilot lamp to workpiece for measurement, and certified products enter next process, and are chosen by unacceptable product and reprocess or abandon.
Composition graphs 1-5 again, is simply described below workflow of the present invention:
(1) operator is at feeding station material loading, once goes up two panels workpiece;
(2) be arranged on the elastic bumps on Workpiece fixing tool by the key hole of workpiece for measurement, press starting switch, workpiece holds by vacuum sucking holes, is adjacent on tool;
(3) jig rotation mechanism rotates 45 °, first workpiece for measurement enters the first detection station, first workpiece for measurement is positioned at the below of the first laser detecting apparatus, first laser detecting apparatus is to key hole marginal point projection 2D laser detection marginal point to the height of upper convex surface thus detect the edge thickness of key hole, and throw light is as shown in the first detection light in Fig. 2;
(4) jig rotation mechanism continues rotation 45 °, second workpiece for measurement enters the first detection station, second workpiece for measurement is positioned at the below of the first laser detecting apparatus, first laser detecting apparatus is to key hole marginal point projection 2D laser detection marginal point to the height of upper convex surface thus detect the edge thickness of key hole, and laser projection light is as shown in the first detection light in Fig. 2;
(5) jig rotation mechanism continues rotation 45 °, first workpiece for measurement enters the second detection station, first workpiece for measurement is positioned at the below of the second laser detecting apparatus, second laser detecting apparatus is to key hole marginal point projection 2D laser detection marginal point to the height of upper convex surface thus detect the edge thickness of key hole, and laser projection light is as shown in the second detection light in Fig. 2;
(6) jig rotation mechanism continues rotation 45 °, second workpiece for measurement enters the second detection station, second workpiece for measurement is positioned at the below of the second laser detecting apparatus, second laser detecting apparatus is to key hole marginal point projection 2D laser detection marginal point to the height of upper convex surface thus detect the edge thickness of key hole, and laser projection light is as shown in the second detection light in Fig. 2;
(7) export every flake products to detect result of determination and show testing result pilot lamp (figure does not mark) to touch-screen, green is OK, and redness is NG, and workpiece is taken to corresponding charging tray according to result of determination by operator, thickness measurement data is stored in system, and user can download.
Above-mentioned example, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalent transformations of doing according to Spirit Essence of the present invention or modification, all should be encompassed within protection scope of the present invention.