CN114562501B - Plane light pipe focusing machine - Google Patents
Plane light pipe focusing machine Download PDFInfo
- Publication number
- CN114562501B CN114562501B CN202210221948.4A CN202210221948A CN114562501B CN 114562501 B CN114562501 B CN 114562501B CN 202210221948 A CN202210221948 A CN 202210221948A CN 114562501 B CN114562501 B CN 114562501B
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- Prior art keywords
- laser diode
- pentaprism
- light
- glass tube
- seat
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- 239000011521 glass Substances 0.000 claims abstract description 73
- 238000007599 discharging Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000000523 sample Substances 0.000 claims description 27
- 230000001681 protective effect Effects 0.000 claims description 24
- 238000001514 detection method Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 239000004579 marble Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
- F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
- B25J15/06—Gripping heads and other end effectors with vacuum or magnetic holding means
- B25J15/0616—Gripping heads and other end effectors with vacuum or magnetic holding means with vacuum
- B25J15/065—Gripping heads and other end effectors with vacuum or magnetic holding means with vacuum provided with separating means for releasing the gripped object after suction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
- B65G49/05—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
- B65G49/06—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for fragile sheets, e.g. glass
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Robotics (AREA)
- Laser Beam Processing (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses a plane light pipe focusing machine, which comprises a frame, a feeding and discharging mechanism, a material transferring mechanism, an assembling and calibrating mechanism and a control circuit, wherein the material transferring mechanism takes out a laser diode and a conical glass pipe from the feeding and discharging mechanism and transfers the laser diode and the conical glass pipe to the assembling and calibrating mechanism for assembling and calibrating; and conveying the assembled and calibrated finished planar light pipe product back to the feeding and discharging mechanism through the material transferring mechanism. The planar light tube focusing machine has high automation degree and high adjustment efficiency for assembly and calibration of the planar light tubes.
Description
[ Technical field ]
The invention relates to a planar light pipe assembly device, in particular to a planar light pipe focusing machine.
[ Background Art ]
The plane light pipe is one of laser light pipes and can be used in a level measuring instrument to measure whether a horizontal plane or a plane is vertical. The structure of the planar light pipe is shown in fig. 15 and 16, and is formed by bonding a laser diode 80 and a tapered glass tube 90 with a UV glue 93, the laser diode 80 includes a light emitting diode 81 and a cylindrical aluminum base 82, and the tapered glass tube 90 includes a tapered mirror 91 and a glass tube 92. When the planar light pipe is in operation, the conical reflector 91 reflects light from the light emitting diode 81 as planar light to be emitted outwards. The assembled planar light pipe requires that the light path be on a plane orthogonal to the axis of the planar light pipe and that the planar light pipe should not be tilted, and that the light intensities or powers emitted by the planar light pipe in different directions be uniform. In order to meet the requirements, the planar light pipe needs to measure and calibrate the light path during assembly, and the traditional calibrating method is manual calibration by manpower, so that the production efficiency is low.
[ Summary of the invention ]
The invention aims to solve the technical problem of providing a plane light pipe focusing machine with high adjustment efficiency.
In order to solve the technical problem, the invention adopts the technical scheme that the plane light pipe focusing machine comprises a frame, a loading and unloading mechanism, a material transferring mechanism, an assembly calibration mechanism and a control circuit, wherein the material transferring mechanism takes out a laser diode and a conical glass pipe from the loading and unloading mechanism, and transfers the laser diode and the conical glass pipe to the assembly calibration mechanism for assembly and calibration; and conveying the assembled and calibrated finished planar light pipe product back to the feeding and discharging mechanism through the material transferring mechanism.
The plane light pipe focusing machine comprises a frame and a bedplate, wherein the bedplate is arranged at the top of the frame; the feeding and discharging mechanism comprises a conical glass tube clamp and a laser diode clamp, and the conical glass tube clamp and the laser diode clamp are arranged above the bedplate; the material transfer mechanism is arranged on the bedplate and comprises a longitudinal and transverse movement mechanism and a manipulator; the middle part of the bedplate comprises a through hole, the lower part of the assembly calibration mechanism is arranged in the stand and supported by the stand, and the upper part of the assembly calibration mechanism passes through the through hole of the bedplate.
The plane light pipe focusing machine comprises a longitudinal and transverse movement mechanism and a transverse movement mechanism, wherein the longitudinal and transverse movement mechanism comprises an X-axis movement mechanism and a Y-axis movement mechanism, the X-axis movement mechanism comprises a first linear module, and the Y-axis movement mechanism comprises two second linear modules; the two second linear modules are arranged at two ends of the bedplate along the X-axis direction, and the axes of the second linear modules are arranged along the Y-axis direction; the axes of the first linear modules are arranged along the X-axis direction, and two ends of the first linear modules are respectively fixed on the sliding blocks of the two second linear modules; the manipulator is installed on the slider of first straight line module.
The manipulator comprises a vertical plate, a connecting plate, a first servo motor, two sets of first linear guide rail pairs, a first screw-nut pair, a synchronous belt mechanism, a rotary table, a clamping cylinder and a suction nozzle, wherein the vertical plate is arranged on the longitudinal and transverse movement mechanism; the guide rails of the two sets of first linear guide rail pairs are vertically fixed on the vertical plate; the screw rod of the first screw-nut pair is vertically arranged on the vertical plate; the first servo motor is arranged between the guide rails of the two sets of first linear guide rail pairs and driven by the synchronous belt mechanism; the connecting plate is fixed on the sliding blocks of the two sets of first linear guide rail pairs, is connected with the nuts of the first screw-nut pairs, and the rotary table driven by the second servo motor is fixed at the lower part of the connecting plate; the suction nozzle is vertically fixed at the lower part of the rotary table and is coaxial with the rotation axis of the rotary table; the clamping cylinder is fixed at the lower extreme of revolving stage, and the plane that clamping cylinder place is orthogonal with the axis of rotation of revolving stage.
The plane light pipe focusing machine comprises a hood, a hood cover, a feeding and discharging mechanism, a longitudinal and transverse movement mechanism, a manipulator and an assembly calibration mechanism, wherein the hood cover is arranged above a frame; the feeding and discharging mechanism comprises a bottom plate, a protective door opening and closing mechanism, a support, three pairs of opposite-emission photoelectric sensors and a first limiting reflection miniature photoelectric sensor, wherein the bottom plate is fixed on the top surface of the bedplate, and the support is fixed on the bottom plate and is positioned behind the protective door; the top surface of the support comprises a conical glass tube clamp positioning groove and a laser diode clamp positioning groove, the conical glass tube clamp is placed in the conical glass tube clamp positioning groove, and the laser diode clamp is placed in the laser diode clamp positioning groove; the protective door opening and closing mechanism comprises a second linear guide rail pair and a first cylinder; the guide rail of the second linear guide rail pair is fixed on the bottom plate and is parallel to the protective door; the lower part of the protective door is fixed on a sliding block of the second linear guide rail pair, the first cylinder is fixed on the bottom plate and parallel to the second linear guide rail pair, and the protective door is connected with a piston rod of the first cylinder; the three pairs of correlation photoelectric sensors are arranged above the support and are respectively used for in-place detection of the conical glass tube, in-place detection of the laser diode and in-place detection of an assembled finished product; the first limiting reflection micro photoelectric sensor is arranged at the bottom of the laser diode clamp positioning groove and used for detecting the laser diode clamp in place.
The assembly and calibration mechanism of the plane light pipe focusing machine comprises an assembly mechanism and a calibration mechanism, wherein the calibration mechanism comprises a bracket, N collimators, N pentaprisms and N is more than or equal to 3; n collimators are vertically fixed on a bracket, are uniformly distributed along the circumferential direction of the bracket, and are supported by a stand; n pentaprisms are fixed on the bracket and are positioned right above the corresponding collimators; the light outlet of the pentaprism faces to the light inlet of the corresponding collimator, and the signal output end of the collimator is connected with the control circuit; the assembly mechanism comprises a mounting frame, a lifting mechanism and a light guide plate, and the mounting frame is vertically fixed at the central part of the bracket; the lifting mechanism is positioned in the mounting frame and is coaxial with the central axis of the bracket, and the top of the lifting mechanism comprises a seat hole of the laser diode clamp; the light guide plate is fixed at the top of the mounting frame and is positioned above the laser diode clamp seat hole, and comprises a central hole and N radial light guide holes, wherein the inlets of the radial light guide holes are communicated with the central hole, and the outlets of the radial light guide holes face to the light inlet of the corresponding pentaprism; the light guide plate comprises a plurality of UV lamps which are arranged on the inner wall of the central hole of the light guide plate and uniformly distributed along the circumferential direction of the central hole; the laser diode clamp comprises a power supply circuit of the laser diode, and when the laser diode clamp is seated in a seat hole of the laser diode clamp, the power supply circuit is connected with a power supply of the laser diode.
The plane light pipe focusing machine comprises a calibration mechanism, a control circuit and a focusing mechanism, wherein the calibration mechanism comprises two cameras and 4 power probes, and the signal output ends of the cameras and the signal output ends of the 4 power probes are respectively connected with the control circuit; the pentaprism comprises a pentaprism body and a pentaprism seat, wherein the pentaprism body is arranged in the pentaprism seat, and the pentaprism seat comprises a pentaprism light inlet and a pentaprism light outlet; the pentaprism light inlet is positioned at the front part of the pentaprism seat, and the pentaprism light outlet is positioned at the bottom of the pentaprism seat; the support comprises a base, an annular top plate and 8 stand columns, wherein the top plate is fixed at the top ends of the 8 stand columns, the lower ends of the 8 stand columns are connected with the base, and the base is supported by the base; the top plate comprises 8 light-passing holes, the light outlet of the pentaprism faces the corresponding light-passing holes, and the pentaprism seat is arranged on the top plate and is positioned above the light-passing holes; the rear part of the pentaprism seat comprises a light hole, two cameras and 4 power probes are respectively arranged at the rear parts of the 8 pentaprism seats, and the corresponding central angle between the two cameras is 90 degrees; the corresponding central angle between the adjacent power probes is 90 degrees.
The plane light pipe focusing machine comprises a mounting frame and a focusing mechanism, wherein the mounting frame comprises 4 vertical plates and motor plates. The 4 vertical plates are uniformly distributed along the circumferential direction of the mounting frame, the upper ends of the 4 vertical plates are connected with the light guide plates, and the lower ends of the 4 vertical plates are connected with the motor plates; the lifting mechanism comprises a third servo motor, a second screw-nut pair, two sets of third linear guide rail pairs and a lifting table; the guide rails of the two sets of third linear guide rail pairs are respectively fixed on the inner sides of the two opposite vertical plates, and the sliding blocks of the two sets of third linear guide rail pairs are respectively fixed on the two sides of the lifting platform; the lower end of the second screw-nut pair screw rod penetrates through the motor plate to be connected with a third servo motor arranged below the motor plate, and a nut of the second screw-nut pair is arranged at the lower part of the lifting platform; the top plate of the lifting platform comprises the laser diode clamp seat hole.
The working process of the plane light pipe focusing machine comprises the following steps:
901 Placing the laser diode into the laser diode clamp by an operator, and placing the conical glass tube into the conical glass tube clamp;
902 The longitudinal and transverse movement mechanism drives the manipulator to move above the support of the feeding and discharging mechanism, the clamping cylinder of the manipulator clamps the laser diode clamp, and the suction nozzle of the manipulator sucks the conical glass tube;
903 The longitudinal and transverse movement mechanism drives the manipulator to move above the assembly calibration mechanism, and the lifting platform of the assembly mechanism is positioned at the lower end in the vertical direction; the mechanical arm firstly puts the laser diode clamp with the laser diode into the laser diode clamp seat hole of the lifting table top plate of the assembly mechanism from the side surface of the assembly mechanism mounting frame, and then withdraws, and the laser diode is electrified to emit light; starting a lifting mechanism to lift the laser diode clamp to the upper end in the vertical direction;
904 The suction nozzle of the mechanical arm sucks the conical glass tube, moves to the position right above the light guide plate of the assembling mechanism and then descends, the conical glass tube is placed on the top surface of the laser diode, and the conical glass tube is positioned in the central hole of the light guide plate;
905 Light emitted by the laser diode irradiates on a conical reflector of the conical glass tube and is reflected by the conical reflector to be diverged in a plane; the plane light emitted by the conical glass tube passes through the radial light guide holes of the light guide plate to form N light beams, the N light beams penetrate through the light inlet of the N pentaprisms to irradiate the N pentaprism bodies, the N pentaprism bodies respectively refract the incident light downwards and irradiate the N light inlet of the N collimators;
906 The control circuit controls the transverse movement mechanism to drive the conical glass tube to horizontally move, the control circuit controls the rotary table of the manipulator to drive the conical glass tube to rotate through the suction nozzle, and when N collimators send collimation signals to the control circuit, the rotary table stops rotating, the suction nozzle breaks vacuum, and the manipulator is lifted;
907 The plurality of UV lamps on the light guide plate solidify the adhesive between the conical glass tube and the laser diode, and the conical glass tube and the laser diode are assembled into a finished product;
908 A lifting mechanism is started to lower the laser diode clamp to the lower end in the vertical direction; the clamping heads of the mechanical arm clamping cylinders enter from the side surfaces of the assembly mechanism mounting frame, clamp the laser diode clamp with finished products, and take out from the assembly mechanism mounting frame;
909 The longitudinal and transverse movement mechanism drives the manipulator to move above the feeding and discharging mechanism, and the laser diode clamp with the finished product is placed on the feeding and discharging mechanism; the operator takes away the finished product, places a new laser diode into the laser diode holder, places a new tapered glass tube into the tapered glass tube holder, and starts a new work cycle.
The plane light pipe focusing machine comprises a calibration mechanism, a control circuit and a focusing mechanism, wherein the calibration mechanism comprises two cameras and 4 power probes, and the signal output ends of the cameras and the signal output ends of the 4 power probes are respectively connected with the control circuit; the pentaprism comprises a pentaprism body and a pentaprism seat, wherein the pentaprism body is arranged in the pentaprism seat, and the pentaprism seat comprises a pentaprism light inlet and a pentaprism light outlet; the pentaprism light inlet is positioned at the front part of the pentaprism seat, and the pentaprism light outlet is positioned at the bottom of the pentaprism seat; the support comprises a base, an annular top plate and 8 stand columns, wherein the top plate is fixed at the top ends of the 8 stand columns, the lower ends of the 8 stand columns are connected with the base, and the base is supported by the base; the top plate comprises 8 light-passing holes, the light outlet of the pentaprism faces the corresponding light-passing holes, and the pentaprism seat is arranged on the top plate and is positioned above the light-passing holes; the rear part of the pentaprism seat comprises a light hole, two cameras and 4 power probes are respectively arranged at the rear parts of the 8 pentaprism seats, and the corresponding central angle between the two cameras is 90 degrees; the corresponding central angle between the adjacent power probes is 90 degrees; the working process of the plane light pipe focusing machine comprises the steps of initial adjustment: before step 906, the two cameras and the 4 power probes respectively acquire light intensity of the light beams from the light holes at the rear part of the pentaprism base, the captured light intensity signals are sent to the control circuit for primary adjustment, and the control circuit controls the longitudinal and transverse movement mechanism to move the conical glass tube along the X-axis direction and/or the Y-axis direction, so that the power readings of the 4 power probes are consistent.
The planar light tube focusing machine has high automation degree and high adjustment efficiency for assembly and calibration of the planar light tubes.
[ Description of the drawings ]
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a front view of a planar light pipe focussing machine in accordance with an embodiment of the present invention.
FIG. 2 is a top view of a planar light pipe focussing machine in accordance with an embodiment of the present invention.
FIG. 3 is a perspective view of a planar light pipe focussing machine in accordance with an embodiment of the present invention.
Fig. 4 is a perspective view of a loading and unloading mechanism according to an embodiment of the present invention.
Fig. 5 is a front view of a robot in accordance with an embodiment of the present invention.
Fig. 6 is a perspective view of a robot in accordance with an embodiment of the present invention.
FIG. 7 is a front view of an assembled calibration mechanism according to an embodiment of the present invention.
FIG. 8 is a top view of an assembled calibration mechanism according to an embodiment of the present invention.
Fig. 9 is a sectional view A-A in fig. 8.
Fig. 10 is a B-B cross-sectional view in fig. 7.
FIG. 11 is a perspective view of an assembled calibration mechanism according to an embodiment of the present invention.
Fig. 12 is a perspective view of an assembly mechanism according to an embodiment of the present invention.
Fig. 13 is a perspective view of a lifting mechanism according to an embodiment of the present invention.
Fig. 14 is a perspective view of a lift table according to an embodiment of the present invention.
FIG. 15 is a front view of a planar light pipe according to an embodiment of the present invention.
Fig. 16 is a C-C cross-sectional view of fig. 15.
Detailed description of the preferred embodiments
The structure and principle of the planar light pipe focusing machine in the embodiment of the invention are shown in fig. 1 to 14, and the planar light pipe focusing machine comprises a frame 10, a hood (not shown in the drawings), a feeding and discharging mechanism 20, a material transferring mechanism, an assembly calibration mechanism and a control circuit. The assembly alignment mechanism includes an assembly mechanism 50 and an alignment mechanism 60, and the material transfer mechanism includes a vertically and horizontally moving mechanism 30 and a robot 40. The control circuit comprises an industrial personal computer as a main body for running the test program.
The frame 10 includes a base 11 and a deck 12, the deck 12 being disposed on top of the base 11. The hood is arranged above the frame 10, and the feeding and discharging mechanism 20, the longitudinal and transverse movement mechanism 30, the manipulator 40 and the assembly calibration mechanism are arranged below the hood, and the hood comprises a protective door 71 for feeding and discharging.
The middle part of the bedplate 12 is provided with a through hole 121, the lower part of the assembly calibration mechanism is arranged in the stand 11 and supported by the stand 11, and the upper part of the assembly calibration mechanism passes through the through hole 121 of the bedplate 12 and is positioned above the bedplate 12.
The loading and unloading mechanism 20 comprises a bottom plate 21, a conical glass tube clamp 22, a laser diode clamp 23, a protective door opening and closing mechanism 24, a support 25, three pairs of opposite-type photoelectric sensors and a first limiting reflection micro photoelectric sensor 26. The bottom plate 21 is fixed to the top surface of the platen 12, and the support 25 is fixed above the bottom plate 21, behind the protective door 71. The top surface of the holder 25 has a tapered glass tube holder positioning groove 251 and a positioning groove 252 of a laser diode holder, the tapered glass tube holder 22 is placed in the tapered glass tube holder positioning groove 251, and the laser diode holder 23 is placed in the positioning groove 252 of the laser diode holder.
The protective door opening and closing mechanism 24 includes a second linear guide pair 241 and a first cylinder 242. The guide rail of the second linear guide pair 241 is fixed to the bottom plate 21 in parallel with the direction in which the protective door 71 moves. The lower part of the protective door 71 is fixed on the slide block of the second linear guide pair 241, the first cylinder 242 is fixed on the bottom plate 21, is positioned in the cavity at the lower part of the support 25, is parallel to the guide rail of the second linear guide pair 241, and the protective door 71 is connected with the piston rod of the first cylinder 242.
Three pairs of opposite-incidence photoelectric sensors are arranged above the support 25, a first opposite-incidence photoelectric sensor 27 is used for detecting the in-place of the conical glass tube, a second opposite-incidence photoelectric sensor 28 is used for detecting the in-place of the laser diode, and a third opposite-incidence photoelectric sensor 29 is used for detecting the in-place of the finished product after assembly. The first defined reflective micro-photo-sensor 26 is mounted at the bottom of the positioning slot 252 of the laser diode holder for in-place detection of the laser diode holder 23. The signal outputs of the three pairs of correlation photosensors (27, 28 and 29) and the signal output of the first defined reflection micro-photosensor 26 are respectively connected to a control circuit.
The vertical and horizontal movement mechanism 30 includes an X-axis movement mechanism including a first linear module 31 and a Y-axis movement mechanism including two second linear modules 32. Two second linear modules 32 are arranged at both ends of the platen 12 in the X-axis direction, and the axes of the second linear modules 32 are arranged in the Y-axis direction. The axes of the first linear modules 31 are arranged along the X-axis direction, and two ends of the first linear modules 31 are respectively fixed on the sliders of the two second linear modules 32. The robot 40 is mounted on the slider 311 of the first linear module 31.
The manipulator 40 includes a riser 41, an L-shaped connecting plate 42, a first servomotor 43, two sets of first linear guide pairs 44, a first lead screw nut pair 45, a timing belt mechanism 46, a rotary table 47, a clamping cylinder 48, and a suction nozzle 49, and the riser 41 is mounted on a slider 311 of the first linear module 31. The guide rails 441 of the two sets of first linear guide rail pairs 44 are vertically fixed to the riser 41. The screw 451 of the first screw-nut pair 45 is vertically mounted on the riser 41. Is arranged between the guide rails 441 of the two sets of first linear guide pairs 44, and is driven by the first servo motor 43 through the timing belt mechanism 46. The L-shaped connection plate 42 is fixed to the sliders 442 of the two first linear guide pairs 44, and is connected to the nuts 452 of the first lead screw nut pair 45, and the rotary table 47 driven by the second servo motor 471 is fixed to the lower portion of the connection plate 42. The suction nozzles 49 are vertically fixed to a rotating portion at a lower portion of the rotary table 47, coaxially with the rotation axis of the rotary table 47. The clamp cylinder 48 is fixed to the lower end of the rotating portion of the rotary table 47, and the plane on which the clamp cylinder 48 is located is orthogonal to the rotation axis of the rotary table 47. The U-shaped photosensor 472 is mounted on the fixed portion of the turntable 47, and the light blocking sheet 473 of the U-shaped photosensor 472 is mounted on the rotating portion of the turntable 47. The signal output end of the U-shaped photoelectric sensor 472 is connected with a control circuit for controlling the rotation angle of the rotary table 47 and the clamping cylinder 48. The U-shaped photoelectric sensor 411 and the U-shaped photoelectric sensor 412 are mounted on the riser 41 at the upper and lower ends of the stroke of the turntable 47. The signal output ends of the U-shaped photoelectric sensors 411 and 412 are connected with a control circuit for controlling the stroke of the rotary table 47.
The calibration mechanism 60 includes a stand 60A, 8 collimators 61, 8 pentaprisms 62, two cameras 63, and 4 power probes 64. The signal output end of the collimator 61, the signal output end of the camera 63 and the signal output ends of the 4 power probes 64 are respectively connected with a control circuit and are in communication connection with an industrial personal computer.
The bracket 60A includes a marble base 65, an annular top plate 66, a bottom plate 67, and 8 columns 68, the 8 columns 68 being uniformly distributed along the circumference of the bracket 60A. The top plate 66 is fixed to the top ends of 8 columns 68, the lower ends of the 8 columns are fixed to the bottom plate 67, the bottom plate 67 is fixed to the marble base 65, and the marble base 65 is supported by the bed 11. The annular top plate 66 is provided with 8 light through holes 661 uniformly distributed along the circumferential direction,
The pentaprism 62 includes a pentaprism body 621 and a pentaprism seat 622, the pentaprism body 621 being installed in the pentaprism seat 622, the pentaprism seat 622 including a pentaprism light inlet 623 and a pentaprism light outlet 624. The pentaprism light inlet 623 is located at the front of the pentaprism seat 622, and the pentaprism light outlet 624 is located at the bottom of the pentaprism seat 622. The pentaprism seat 622 is mounted on the top plate 66 above the light-transmitting hole 661, and the light-transmitting hole 661 is opposite to the light-transmitting hole 624 of the pentaprism 62.
The 8 collimators 61 are vertically fixed on the 8 posts 68 of the bracket 60A, uniformly distributed along the circumferential direction of the bracket 60A, and the pentaprism seat 622 is located right above the corresponding collimator 61, and the light outlet 624 of the pentaprism 62 faces the light inlet 611 of the corresponding collimator 61.
The rear part of the pentaprism seat 622 is provided with a light hole 625, two cameras 63 and 4 power probes 64 are respectively arranged at the rear part of the 8 pentaprism seats 622, the corresponding central angles between the two cameras 63 are 90 degrees, the two cameras are uniformly distributed along the circumferential direction, and the corresponding central angles between the adjacent power probes 64 are 90 degrees.
The assembly mechanism 50 includes a mounting frame 50A, a lifting mechanism 50B, and a light guide plate 51, the mounting frame 50A being vertically fixed at a central portion of the bracket 60A. The lifting mechanism 50B is located in the mounting frame 50A and is coaxial with the central axis of the bracket 60A, the light guide plate 51 is fixed at the top end of the mounting frame 50A and is located above the laser diode fixture seat hole 611, the light guide plate 51 is provided with a central hole 511 and 8 radial light guide holes 512, the inlets of the radial light guide holes 512 are communicated with the central hole 511, and the outlets of the radial light guide holes 512 face to the light inlet 623 of the corresponding pentaprism. The light guide plate 51 includes 4 UV lamps 513,4 UV lamps 513 mounted on the inner wall of the central hole 511 of the light guide plate, uniformly distributed along the circumference of the central hole 511.
The mounting bracket 50A includes 4 risers 52 and motor plates 53. The 4 vertical plates 52 are uniformly distributed along the circumferential direction of the mounting frame 50A, the upper ends of the 4 vertical plates are connected with the light guide plate 51, and the lower ends of the 4 vertical plates are connected with the motor plate 53. The lifting mechanism 50B includes a third servo motor 54, a second lead screw nut pair 55, two sets of third linear guide pairs 56, and a hollow lifting table 57. The guide rails 561 of the two third linear guide pairs 56 are fixed to the inner sides of the two opposing vertical plates 52A, respectively, and the sliders 562 of the two third linear guide pairs 56 are fixed to the both sides of the lifting table 57, respectively. The lower end of the second screw nut pair 55 screw 551 passes through the motor plate 53 and is connected with a third servo motor 54 arranged below the motor plate 53 through a coupling, the upper end of the second screw nut pair 55 screw is supported by a bearing pedestal 552, and the bearing pedestal 552 is fixed on the other two vertical plates 52B. The nut 553 of the second screw-nut pair 55 is mounted at the lower portion of the elevating table 57. The top plate 571 of the lift 57 has a laser diode holder hole 572, and the gap between adjacent risers 52A and 52B is the entrance of the laser diode holder 23. The lift 57 has a second defined reflective micro-photo sensor 573 and a locating block 574 mounted on its top plate 571, the second defined reflective micro-photo sensor 573 being used to sense whether the laser diode holder 23 is in place. After the laser diode holder 23 is in place, the alignment block 574 positions the laser diode holder 23.
The laser diode holder 23 has therein a power supply circuit for the laser diode, which includes a socket arranged inside the laser diode holder 23, a conductive line, and three metal contacts arranged outside the laser diode holder 23. The socket is connected with the metal contact through a conductive line. When the laser diode 80 is inserted into the laser diode holder 23, three pins of the laser diode 80 are inserted into sockets inside the laser diode holder 23. When the laser diode holder 23 with the laser diode 80 is seated in the laser diode holder seat hole 572 on the top plate 571 of the lift table 57, the top plate 571 of the lift table 57 is electrically connected with the three metal contacts on the laser diode holder 23, so that the laser diode 80 is energized to emit light.
The working process of the plane light pipe focusing machine provided by the embodiment of the invention comprises the following steps of:
1) The protective door opening and closing mechanism 24 opens the protective door 71, an operator places the laser diode 80 in the laser diode holder 23, the laser diode holder 23 clamps the laser diode 80, the conical glass tube 90 with the bottom surface coated with the UV glue 93 is placed in the conical glass tube holder 22, and the protective door opening and closing mechanism 24 closes the protective door 71;
2) The first opposite-injection type photoelectric sensor 27 senses that the conical glass tube is in place, the second opposite-injection type photoelectric sensor 28 senses that the laser diode is in place, and the longitudinal and transverse movement mechanism 30 drives the manipulator 40 to move above the support 25 of the feeding and discharging mechanism 20; the clamping cylinder 48 of the manipulator 40 clamps the laser diode clamp 23, and the suction nozzle 49 of the manipulator 40 sucks the conical glass tube 90;
3) The vertical and horizontal movement mechanism 30 drives the manipulator 40 to move above the assembly calibration mechanism, and the lifting platform 57 of the assembly mechanism 50 is positioned at the lower end in the vertical direction; the manipulator 40 first puts the laser diode clamp 23 with the laser diode 80 into the laser diode clamp seat hole 572 of the assembly mechanism lifting table top plate 571 from the side surface of the assembly mechanism 50 mounting frame and then withdraws; when the laser diode clamp 23 is placed in the laser diode clamp seat hole 572, three metal contacts on the laser diode clamp 23 are connected with the probes, and the laser diode 80 is electrified to emit light; the lifting mechanism 50B is started to lift the lifting table 57 and the laser diode holder 23 to the upper end in the vertical direction;
4) The suction nozzle 49 of the manipulator 40 sucks the tapered glass tube 90, moves to the position right above the light guide plate 51 of the assembly mechanism, and then descends, and places the tapered glass tube 90 on the top surface of the laser diode 80, wherein the tapered glass tube 90 is located in the central hole 511 of the light guide plate 51;
5) The light emitted by the laser diode 80 irradiates on a conical reflector 91 of the conical glass tube 90, and is reflected by the conical reflector 91 to be in plane divergence; the plane light emitted by the conical glass tube 90 passes through the 8 radial light guide holes 512 of the light guide plate 51 to form 8 light beams 93,8, and the 8 light beams 93 pass through the light inlet 623 of the 8 pentaprisms 62 to irradiate the body 621 of the 8 pentaprisms 62;
6) The two cameras 63 and the 4 power probes 64 respectively acquire the light intensity of the light beam 93 from the light holes 625 at the rear part of the pentaprism seat 622, the acquired light intensity signals are sent to the industrial personal computer for primary adjustment, and the industrial personal computer controls the longitudinal and transverse movement mechanism 30 to move the conical glass tube 90 along the X-axis direction and/or the Y-axis direction, so that the readings of the 4 power probes 64 are consistent and the power is consistent; at this time, the 8 light beams 93 emitted from the tapered glass tube 90 are on the same radius, and the intensities are uniform;
7) The 8 pentaprism bodies 621 respectively refract the incident light downward and emit the incident light to the light inlets 611 of the 8 collimators 61; the collimator sends the obtained collimation data to the industrial personal computer, the industrial personal computer drives the conical glass tube 90 to horizontally displace by controlling the horizontal movement mechanism 30, the rotary table 47 of the manipulator 40 drives the conical glass tube 90 to rotate by the suction nozzle 49, when 8 collimators 61 send qualified collimation signals to the control circuit, the rotary table 47 stops rotating, the suction nozzle 49 breaks vacuum, and the manipulator 40 is lifted;
8) The 4 UV lamps 513 on the light guide plate 51 cure the UV glue 93 between the tapered glass tube 90 and the laser diode 80, and the tapered glass tube 90 and the laser diode 80 are assembled into a finished product 100;
9) The lifting mechanism 50B is started to lower the lifting table 57 and the laser diode holder 23 to the lower end in the vertical direction; the clamping head of the clamping cylinder 48 of the manipulator 40 enters from the side surface of the installation frame of the assembly mechanism 50, clamps the laser diode clamp 23 with the finished product 100, and takes out from the installation frame of the assembly mechanism 50;
10 The longitudinal and transverse movement mechanism 30 drives the manipulator 40 to move above the support 25 of the feeding and discharging mechanism 20, and the laser diode clamp with the finished product 100 is placed in the positioning groove 252 of the laser diode clamp; the third correlation photosensor 29 and the first defined reflection micro photosensor 26 respectively send signals to the control circuit;
11 The shutter opening and closing mechanism 24 opens the shutter 71, the operator removes the finished product 100, places a new laser diode 80 into the laser diode holder 23, places a new tapered glass tube 90 into the tapered glass tube holder 22, and starts a new working cycle.
The planar light tube focusing machine has the advantages that the automation degree and the adjustment efficiency in the assembly and adjustment process of the planar light tube are high.
Claims (8)
1. A plane light pipe focusing machine comprises a frame, a loading and unloading mechanism and a control circuit, and is characterized by comprising a material transfer mechanism and an assembly calibration mechanism, wherein the material transfer mechanism takes out a laser diode and a conical glass pipe from the loading and unloading mechanism, and transfers the laser diode and the conical glass pipe to the assembly calibration mechanism for assembly and calibration; the assembled and calibrated planar light pipe finished product is sent back to the feeding and discharging mechanism by the material transferring mechanism, the rack comprises a machine base and a bedplate, and the bedplate is arranged at the top of the machine base; the feeding and discharging mechanism comprises a conical glass tube clamp and a laser diode clamp, and the conical glass tube clamp and the laser diode clamp are arranged above the bedplate; the material transfer mechanism is arranged on the bedplate and comprises a longitudinal and transverse movement mechanism and a manipulator; the middle part of the bedplate comprises a through hole, the lower part of the assembly calibration mechanism is arranged in the stand and supported by the stand, and the upper part of the assembly calibration mechanism penetrates through the through hole of the bedplate, the assembly calibration mechanism comprises an assembly mechanism and a calibration mechanism, and the calibration mechanism comprises a bracket, N collimators, N pentaprisms and N is more than or equal to 3; n collimators are vertically fixed on a bracket, are uniformly distributed along the circumferential direction of the bracket, and are supported by a stand; n pentaprisms are fixed on the bracket and are positioned right above the corresponding collimators; the light outlet of the pentaprism faces to the light inlet of the corresponding collimator, and the signal output end of the collimator is connected with the control circuit; the assembly mechanism comprises a mounting frame, a lifting mechanism and a light guide plate, and the mounting frame is vertically fixed at the central part of the bracket; the lifting mechanism is positioned in the mounting frame and is coaxial with the central axis of the bracket, and the top of the lifting mechanism comprises a seat hole of the laser diode clamp; the light guide plate is fixed at the top of the mounting frame and is positioned above the laser diode clamp seat hole, and comprises a central hole and N radial light guide holes, wherein the inlets of the radial light guide holes are communicated with the central hole, and the outlets of the radial light guide holes face to the light inlet of the corresponding pentaprism; the light guide plate comprises a plurality of UV lamps which are arranged on the inner wall of the central hole of the light guide plate and uniformly distributed along the circumferential direction of the central hole; the laser diode clamp comprises a power supply circuit of the laser diode, and when the laser diode clamp is seated in a seat hole of the laser diode clamp, the power supply circuit is connected with a power supply of the laser diode.
2. The planar light pipe focusing machine according to claim 1, wherein the longitudinal and transverse movement mechanism comprises an X-axis movement mechanism and a Y-axis movement mechanism, the X-axis movement mechanism comprises a first linear module, and the Y-axis movement mechanism comprises two second linear modules; the two second linear modules are arranged at two ends of the bedplate along the X-axis direction, and the axes of the second linear modules are arranged along the Y-axis direction; the axes of the first linear modules are arranged along the X-axis direction, and two ends of the first linear modules are respectively fixed on the sliding blocks of the two second linear modules; the material transfer mechanism is arranged on the sliding block of the first linear module.
3. The planar light pipe focusing machine according to claim 2, wherein the manipulator comprises a vertical plate, a connecting plate, a first servo motor, two sets of first linear guide rail pairs, a first screw-nut pair, a synchronous belt mechanism, a rotary table, a clamping cylinder and a suction nozzle, and the vertical plate is arranged on the longitudinal and transverse movement mechanism; the guide rails of the two sets of first linear guide rail pairs are vertically fixed on the vertical plate; the screw rod of the first screw-nut pair is vertically arranged on the vertical plate; the first servo motor is arranged between the guide rails of the two sets of first linear guide rail pairs and driven by the synchronous belt mechanism; the connecting plate is fixed on the sliding blocks of the two sets of first linear guide rail pairs, is connected with the nuts of the first screw-nut pairs, and the rotary table driven by the second servo motor is fixed at the lower part of the connecting plate; the suction nozzle is vertically fixed at the lower part of the rotary table and is coaxial with the rotation axis of the rotary table; the clamping cylinder is fixed at the lower extreme of revolving stage, and the plane that clamping cylinder place is orthogonal with the axis of rotation of revolving stage.
4. The planar light pipe focussing machine of claim 2, comprising a hood, a hood cover over the frame, the loading and unloading mechanism, the vertically and horizontally moving mechanism, the robot and the assembly calibration mechanism being disposed below the hood, the hood cover comprising a protective door; the feeding and discharging mechanism comprises a bottom plate, a protective door opening and closing mechanism, a support, three pairs of opposite-emission photoelectric sensors and a first limiting reflection miniature photoelectric sensor, wherein the bottom plate is fixed on the top surface of the bedplate, and the support is fixed on the bottom plate and is positioned behind the protective door; the top surface of the support comprises a conical glass tube clamp positioning groove and a laser diode clamp positioning groove, the conical glass tube clamp is placed in the conical glass tube clamp positioning groove, and the laser diode clamp is placed in the laser diode clamp positioning groove; the protective door opening and closing mechanism comprises a second linear guide rail pair and a first cylinder; the guide rail of the second linear guide rail pair is fixed on the bottom plate and is parallel to the protective door; the lower part of the protective door is fixed on a sliding block of the second linear guide rail pair, the first cylinder is fixed on the bottom plate and parallel to the second linear guide rail pair, and the protective door is connected with a piston rod of the first cylinder; the three pairs of correlation photoelectric sensors are arranged above the support and are respectively used for in-place detection of the conical glass tube, in-place detection of the laser diode and in-place detection of an assembled finished product; the first limiting reflection micro photoelectric sensor is arranged at the bottom of the laser diode clamp positioning groove and used for detecting the laser diode clamp in place.
5. The planar light pipe focusing machine according to claim 1, wherein n=8, the calibration mechanism comprises two cameras and 4 power probes, and the signal output ends of the cameras and the signal output ends of the 4 power probes are respectively connected with the control circuit; the pentaprism comprises a pentaprism body and a pentaprism seat, wherein the pentaprism body is arranged in the pentaprism seat, and the pentaprism seat comprises a pentaprism light inlet and a pentaprism light outlet; the pentaprism light inlet is positioned at the front part of the pentaprism seat, and the pentaprism light outlet is positioned at the bottom of the pentaprism seat; the support comprises a base, an annular top plate and 8 stand columns, wherein the top plate is fixed at the top ends of the 8 stand columns, the lower ends of the 8 stand columns are connected with the base, and the base is supported by the base; the top plate comprises 8 light-passing holes, the light outlet of the pentaprism faces the corresponding light-passing holes, and the pentaprism seat is arranged on the top plate and is positioned above the light-passing holes; the rear part of the pentaprism seat comprises a light hole, two cameras and 4 power probes are respectively arranged at the rear parts of the 8 pentaprism seats, and the corresponding central angle between the two cameras is 90 degrees; the corresponding central angle between the adjacent power probes is 90 degrees.
6. The planar light pipe focusing machine according to claim 1, wherein the mounting frame comprises 4 vertical plates and a motor plate, the 4 vertical plates are uniformly distributed along the circumferential direction of the mounting frame, the upper end of the mounting frame is connected with the light guide plate, and the lower end of the mounting frame is connected with the motor plate; the lifting mechanism comprises a third servo motor, a second screw-nut pair, two sets of third linear guide rail pairs and a lifting table; the guide rails of the two sets of third linear guide rail pairs are respectively fixed on the inner sides of the two opposite vertical plates, and the sliding blocks of the two sets of third linear guide rail pairs are respectively fixed on the two sides of the lifting platform; the lower end of the second screw-nut pair screw rod penetrates through the motor plate to be connected with a third servo motor arranged below the motor plate, and a nut of the second screw-nut pair is arranged at the lower part of the lifting platform; the top plate of the lifting platform comprises the laser diode clamp seat hole.
7. The planar light pipe focussing machine of claim 1, wherein the operation of the planar light pipe focussing machine comprises the steps of:
701 A worker places the laser diode in a laser diode clamp, and places the conical glass tube in the conical glass tube clamp;
702 The longitudinal and transverse movement mechanism drives the manipulator to move above the support of the feeding and discharging mechanism, the clamping cylinder of the manipulator clamps the laser diode clamp, and the suction nozzle of the manipulator sucks the conical glass tube;
703 The longitudinal and transverse movement mechanism drives the manipulator to move above the assembly calibration mechanism, and the lifting platform of the assembly mechanism is positioned at the lower end in the vertical direction; the mechanical arm firstly puts the laser diode clamp with the laser diode into the laser diode clamp seat hole of the lifting table top plate of the assembly mechanism from the side surface of the assembly mechanism mounting frame, and then withdraws, and the laser diode is electrified to emit light; starting a lifting mechanism to lift the laser diode clamp to the upper end in the vertical direction;
704 The suction nozzle of the mechanical arm sucks the conical glass tube, moves to the position right above the light guide plate of the assembling mechanism and then descends, the conical glass tube is placed on the top surface of the laser diode, and the conical glass tube is positioned in the central hole of the light guide plate;
705 Light emitted by the laser diode irradiates on a conical reflector of the conical glass tube and is reflected by the conical reflector to be diverged in a plane; the plane light emitted by the conical glass tube passes through the radial light guide holes of the light guide plate to form N light beams, the N light beams penetrate through the light inlet of the N pentaprisms to irradiate the N pentaprism bodies, the N pentaprism bodies respectively refract the incident light downwards and irradiate the N light inlet of the N collimators;
706 The control circuit controls the transverse movement mechanism to drive the conical glass tube to horizontally move, the control circuit controls the rotary table of the manipulator to drive the conical glass tube to rotate through the suction nozzle, when N collimators send qualified collimation signals to the control circuit, the transverse movement mechanism stops moving, the rotary table stops rotating, the suction nozzle breaks vacuum, and the manipulator is lifted;
707 The plurality of UV lamps on the light guide plate solidify the adhesive between the conical glass tube and the laser diode, and the conical glass tube and the laser diode are assembled into a finished product;
708 A lifting mechanism is started to lower the laser diode clamp to the lower end in the vertical direction; the clamping heads of the mechanical arm clamping cylinders enter from the side surfaces of the assembly mechanism mounting frame, clamp the laser diode clamp with finished products, and take out from the assembly mechanism mounting frame;
709 The longitudinal and transverse movement mechanism drives the manipulator to move above the feeding and discharging mechanism, and the laser diode clamp with the finished product is placed on the feeding and discharging mechanism; the operator takes away the finished product, places a new laser diode into the laser diode holder, places a new tapered glass tube into the tapered glass tube holder, and starts a new work cycle.
8. The planar light pipe focusing machine according to claim 7, wherein n=8, the calibration mechanism comprises two cameras and 4 power probes, and the signal output ends of the cameras and the signal output ends of the 4 power probes are respectively connected with the control circuit; the pentaprism comprises a pentaprism body and a pentaprism seat, wherein the pentaprism body is arranged in the pentaprism seat, and the pentaprism seat comprises a pentaprism light inlet and a pentaprism light outlet; the pentaprism light inlet is positioned at the front part of the pentaprism seat, and the pentaprism light outlet is positioned at the bottom of the pentaprism seat; the support comprises a base, an annular top plate and 8 stand columns, wherein the top plate is fixed at the top ends of the 8 stand columns, the lower ends of the 8 stand columns are connected with the base, and the base is supported by the base; the top plate comprises 8 light-passing holes, the light outlet of the pentaprism faces the corresponding light-passing holes, and the pentaprism seat is arranged on the top plate and is positioned above the light-passing holes; the rear part of the pentaprism seat comprises a light hole, two cameras and 4 power probes are respectively arranged at the rear parts of the 8 pentaprism seats, and the corresponding central angle between the two cameras is 90 degrees; the corresponding central angle between the adjacent power probes is 90 degrees; the working process of the plane light pipe focusing machine comprises the steps of initial adjustment: before step 706, the two cameras and the 4 power probes respectively acquire light intensity of the light beams from the light holes at the rear part of the pentaprism base, the captured light intensity signals are sent to the control circuit for primary adjustment, and the control circuit controls the longitudinal and transverse movement mechanism to move the conical glass tube along the X-axis direction and/or the Y-axis direction, so that the power readings of the 4 power probes are consistent.
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| CN202210221948.4A CN114562501B (en) | 2022-03-09 | 2022-03-09 | Plane light pipe focusing machine |
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| CN114562501B true CN114562501B (en) | 2024-04-26 |
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| CN116147595A (en) * | 2023-04-21 | 2023-05-23 | 常州华达科捷光电仪器有限公司 | Micro tool calibration mechanism for laser demarcation device and control system thereof |
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