CN209363872U - A kind of laser marking machine based on 3-D scanning - Google Patents

A kind of laser marking machine based on 3-D scanning Download PDF

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Publication number
CN209363872U
CN209363872U CN201920037315.1U CN201920037315U CN209363872U CN 209363872 U CN209363872 U CN 209363872U CN 201920037315 U CN201920037315 U CN 201920037315U CN 209363872 U CN209363872 U CN 209363872U
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traversing
laser marking
motor
lifting
scanning
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CN201920037315.1U
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王悦
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Guangzhou Reach Laser Technology Co Ltd
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Guangzhou Reach Laser Technology Co Ltd
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Abstract

The utility model discloses a kind of laser marking machines based on 3-D scanning, it include control system, lift-sliding mechanism, light pedestal, laser marking head and operation control box, the bottom of laser marking head is provided with spatial digitizer, sensor instrument distance instrument is provided in laser marking head, focusing controller is provided in light pedestal, sensor instrument distance instrument and operation control box connect focusing controller.The utility model is novel by installing spatial digitizer additional on common 3D laser marking machine, it is this that three-dimensional laser Mark technology and three-dimensional camera are taken pictures the automatic flow implementation method that imaging technique combines, it solves in three-dimensional laser mark field for difficulty existing for arbitrary shape processing object reconstruction model, it realizes without manually copying number, analysis and reverse complicated processes, portion three-dimensional picture pasting can be quickly completed to which the surface to any shape object is marked, plenty of time energy is saved, production efficiency and production precision are improved.

Description

A kind of laser marking machine based on 3-D scanning
Technical field
The utility model relates to laser marking device technical fields, and in particular to one kind can be used for 3 D stereo object into The equipment of row laser marking.
Background technique
Laser marking is to carry out local irradiation to workpiece using the laser of high-energy density, and skin-material is made to vaporize or occur The chemical reaction of color change, to leave a kind of marking method of permanent marker.Laser marking can get various texts, Symbol and pattern etc., character boundary can be from millimeters to micron dimension, this has special meaning to the anti-fake of product.Laser marking It is after generating laser using laser, laser forms a laser on galvanometer, field lens to workpiece when machine carries out mark operation Point, feux rouges belongs to the state being overlapped with laser at this time, and perpendicular to workpiece surface, the position where feux rouges is laser marking Position, laser has certain distance, i.e., so-called focal length after focusing by field lens on mark workpiece at this time.Existing laser marking Machine cannot achieve auto-focusing mostly, can only determine mark location, and a sheet metal is first then placed in workpiece surface, on one side Marking adjusts lifting column column by handwheel on one side, changes the distance between field lens and workpiece to look for focus, and marking effect is best, The most loud position of sound, as laser marking focus, there are mark inconvenience, low efficiency, mark quality for this fixed-focus method The problems such as poor.Minority is able to achieve the device of auto-focusing, and general focusing controller uses tradition PLC+ analog-digital converter, this knot Structure volume is very big, and program is fixed and cannot be upgraded, and is unable to software control, and processing speed is slow and stability is bad, can not expand.
For this purpose, present applicant has proposed a kind of varifocal laser marking optical system (CN201621032798.9), the dress Set not only small volume, but also can rapidly and precisely mark 3D figure.However, the prior art including the present apparatus is in reality Existing curved surface or special-shaped object mark, such as when the objects such as circular cone, spherical surface, trapezoidal, need first to obtain the initial three-dimensional figure of mark object And bind in software just can be with mark, and the acquisition of initial three-dimensional figure usually need to manually go to copy number, analysis and reverse obtain. However this mode is in production application that the requirements for the operators are very high, and efficiency is very low, and it is very inconvenient, it is unfavorable for production efficiency Raising.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of structures simply, can obtain rapidly three-dimensional figure, pass through Three-dimensional figure control device automatically moves, to improve production efficiency and produce the laser marking machine based on 3-D scanning of precision.
In order to solve the above technical problems, the utility model adopts the following technical solution: a kind of laser based on 3-D scanning Marking machine includes control system, lift-sliding mechanism, light pedestal, laser marking head and operation control box, laser marking head peace Loaded on light pedestal and control system is connected, light pedestal is installed in lift-sliding mechanism;Galvanometer is provided on laser marking head And focus lamp, power module is provided in light pedestal, one end of light pedestal has picked out optical fiber transmission line, it is characterised in that: The bottom of laser marking head is provided with spatial digitizer (or three-dimensional camera, be existing product) and is formed to three-dimensional form workpiece Three-dimensional image acquisition mechanism, spatial digitizer are connected to control system;Sensor instrument distance instrument, shape are provided in laser marking head The measuring mechanism of distance between pairs of laser marking head and workpiece;Focusing controller is provided in light pedestal (can directly utilize Existing focusing controller), sensor instrument distance instrument and operation control box connect focusing controller, power module and focusing controller Connection forms power supply mechanism, and focusing controller receives the input signal of operation control box and sensor instrument distance instrument;Lift-sliding machine Structure, as driving device, is additionally provided with motor driver, motor is connect with motor driver, motor using motor in light pedestal Driver is connect with focusing controller, and focusing controller controls motor driver, and motor driver controls motor.
Further, the lift-sliding mechanism includes traversing axis and lifting shaft, and light pedestal is mounted on traversing axis, horizontal It moves axis to be mounted on lifting shaft, three collectively forms the lifting moving and transverse displacement arrangement of laser marking head.
Further, it is provided with elevating screw in the lifting shaft, lifting motor is installed on the top of lifting shaft, gone up and down Motor connects elevating screw, while lifting motor also individually connects motor driver, is realized and is risen by the control of motor driver The automatic operating of motor drops.
Further, lifter plate is installed on lifting shaft, lifter plate is connect with elevating screw, and entire traversing axis is mounted on Liftable structure is formed on the lifter plate;The top of lifting shaft is provided with position limit device, is provided in the lower part of lifting shaft Lower caging device, the two cooperatively form the position limiting structure up and down of lifter plate.
Further, it is provided with traversing screw rod in the traversing axis, traversing motor is installed in the tail end of traversing axis, it is traversing Motor connects traversing screw rod, while traversing motor also individually connects motor driver, is realized by the control of motor driver horizontal Move the automatic operating of motor.
Further, traversing plate is installed on traversing axis, traversing plate is connect with traversing screw rod, and entire light pedestal is mounted on Being formed on the traversing plate can transverse moving structure;The left end of traversing axis is provided with left limit device, is provided in the right end of traversing axis Right limit device, the two cooperatively form the left and right position limiting structure of traversing plate.
Further, the bottom of the lifting shaft is mounted on a lifting axis fixing plate, and lifting axis fixing plate is mounted on one On the fixed bottom plate of equipment, the fixed bottom plate of equipment is located at the lower section of light pedestal and laser marking head, and it is solid that workpiece is also placed on the equipment Determine on bottom plate.
When work, workpiece is placed on to the placement mark of the fixed bottom plate of equipment, shape of the spatial digitizer to workpiece surface Profile scan, imaging, display and textures are carried out, and three-dimensional figure are transmitted to control system, while sensor instrument distance instrument detects automatically Object, for feedback information to focusing controller, focusing controller connects motor driver control lifting motor work, makes elevating screw Rotation drives lifter plate elevating movement, accurately finds focal length, to carry out positioning process, traversing process is similar with lifting process. Wherein 16bit/24bit high-precision adc chip built in focusing controller, guarantee auto-focusing accurate positioning, can support it is a variety of not With the displacement sensor of manufacturer's different model, it can be directly connected to control servo or stepper motor driver, in addition to commonly pressing One key focus operation of button, the end the PC control panel of also customizable design realize the software auto-focusing control for exempting from operation handle.
The present invention is novel by installing three-dimensional camera or spatial digitizer additional on common 3D (three-dimensional) laser marking machine, It realizes and a series of automation processes such as profile scan, imaging, display and textures mark is carried out to the shape on irregularly shaped object surface. It is this that three-dimensional laser Mark technology and three-dimensional camera are taken pictures the automatic flow implementation method that imaging technique combines, it solves In three-dimensional laser mark field for difficulty existing for arbitrary shape processing object reconstruction model, realize without manually copying Number, analysis and reverse complicated processes can quickly complete portion three-dimensional picture pasting to which the surface to any shape object is marked, save Plenty of time energy is saved, production efficiency and production precision are improved.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
In figure, 1 is light pedestal, and 11 be focusing controller, and 12 be motor driver, and 13 be power module, and 14 pass for optical fiber Defeated line, 2 be traversing axis, and 21 be traversing motor, and 22 be traversing screw rod, and 23 be traversing plate, and 3 be lifting shaft, and 31 be lifting motor, 32 It is lifter plate for elevating screw, 33,34 be position limit device, and 35 be lower caging device, and 4 be laser marking head, and 41 be sensor Rangefinder, 5 be galvanometer, and 6 be focus lamp, and 7 be the fixed bottom plate of equipment, and 71 is go up and down axis fixing plate, and 8 be spatial digitizer, and 9 be work Part, 10 be operation control box.
Specific embodiment
In the present embodiment, referring to Fig.1, the laser marking machine based on 3-D scanning includes control system, lifting cross Telephone-moving structure, light pedestal 1, laser marking head 4 and operation control box 10, laser marking head 4 are installed on light pedestal 1 and connect control System, light pedestal 1 are installed in lift-sliding mechanism;Galvanometer 5 and focus lamp 6 are provided on laser marking head 4, in light pedestal 1 In be provided with power module 13, one end of light pedestal 1 has picked out optical fiber transmission line 14;It is provided in the bottom of laser marking head 4 Spatial digitizer 8 (three-dimensional camera also can, be existing product) forms the three-dimensional image acquisition mechanism to three-dimensional form workpiece 9, Spatial digitizer 8 is connected to control system;It is provided with sensor instrument distance instrument 41 in laser marking head 4, is formed to laser marking The measuring mechanism of distance between first 4 and workpiece 9;Focusing controller 11 is provided in light pedestal 1 (can be directly using existing right Burnt controller), sensor instrument distance instrument 41 and operation control box 10 connect focusing controller 11, power module 13 and focusing controller 11 connections form power supply mechanism, and focusing controller 11 receives the input signal of operation control box 10 and sensor instrument distance instrument 41;It rises Transverse-moving mechanism is dropped using motor as driving device, and motor driver 12, motor and motor driven are additionally provided in light pedestal 1 Device 12 connects, and motor driver 12 is connect with focusing controller 11, and focusing controller 11 controls motor driver 12, motor driven Device 12 controls motor.
The lift-sliding mechanism includes traversing axis 2 and lifting shaft 3, and light pedestal 1 is mounted on traversing axis 2, traversing axis 2 It is mounted on lifting shaft 3, three collectively forms the lifting moving and transverse displacement arrangement of laser marking head 4.
It is provided with elevating screw 32 in the lifting shaft 3, lifting motor 31, lifting electricity are installed on the top of lifting shaft 3 Machine 31 connects elevating screw 32, while lifting motor 31 also individually connects motor driver 12, passes through the control of motor driver 12 System realizes the automatic operating of lifting motor 31, to cooperate auto-focusing.
Lifter plate 33 is installed on lifting shaft 3, lifter plate 33 is connect with elevating screw 32, and entire traversing axis 2 is mounted on Liftable structure is formed on the lifter plate 33;The top of lifting shaft 3 is provided with position limit device 34, in the lower part of lifting shaft 3 It is provided with lower caging device 35, the two cooperatively forms the position limiting structure up and down of lifter plate 33.
It is provided with traversing screw rod 22 in the traversing axis 2, traversing motor 21, traversing electricity are installed in the tail end of traversing axis 2 Machine 21 connects traversing screw rod 22, while traversing motor 21 also individually connects motor driver 12, passes through the control of motor driver 12 System realizes the automatic operating of traversing motor 21.
Traversing plate 23 is installed on traversing axis 2, traversing plate 23 is connect with traversing screw rod 22, and entire light pedestal 1 is mounted on Being formed on the traversing plate 23 can transverse moving structure;The left end of traversing axis 2 be provided with left limit device (it is not shown, with upper limit fill Set similar), it is not shown that the right end of traversing axis 2 is provided with right limit device, similar with lower caging device), the two cooperatively forms The left and right position limiting structure of traversing plate 23.
The bottom of the lifting shaft 2 is mounted on a lifting axis fixing plate 71, and lifting axis fixing plate 71 is mounted on an equipment On fixed bottom plate 7, the fixed bottom plate 7 of equipment is located at the lower section of light pedestal 1 and laser marking head 4, and it is solid that workpiece 9 is also placed on the equipment Determine on bottom plate 7.
When work, workpiece 9 is placed on to the placement mark of the fixed bottom plate 7 of equipment, spatial digitizer 8 is to 9 surface of workpiece Shape carries out profile scan, imaging, display and textures, and three-dimensional figure is transmitted to control system, while sensor instrument distance instrument 41 is certainly Dynamic detecting object, feedback information connect motor driver 12 and control lifting motor 31 to focusing controller 11, focusing controller 11 Work makes the rotation of elevating screw 32 drive 33 elevating movement of lifter plate, accurately finds focal length, so that positioning process is carried out, it is traversing Process is similar with lifting process.
The utility model is described in detail above, it is described above, only the preferred embodiment of the utility model and , when the utility model practical range cannot be limited, i.e., all according to the made equivalent changes and modifications of the application range, it should still belong to this In utility model covering scope.

Claims (7)

  1. It include that control system, lift-sliding mechanism, light pedestal, laser are beaten 1. a kind of laser marking machine based on 3-D scanning Header and operation control box, laser marking head are installed on light pedestal and connect control system, and light pedestal is installed on lift-sliding In mechanism;It is provided with galvanometer and focus lamp on laser marking head, power module, a termination of light pedestal are provided in light pedestal There is optical fiber transmission line out, it is characterised in that: the bottom of laser marking head is provided with spatial digitizer and is formed to stereochemical structure work The three-dimensional image acquisition mechanism of part, spatial digitizer are connected to control system;Sensor instrument distance is provided in laser marking head Instrument forms the measuring mechanism to distance between laser marking head and workpiece;Focusing controller, sensor are provided in light pedestal Rangefinder and operation control box connect focusing controller, and power module connect to form power supply mechanism with focusing controller, focusing control Device processed receives the input signal of operation control box and sensor instrument distance instrument;Lift-sliding mechanism using motor as driving device, Motor driver is additionally provided in light pedestal, motor is connect with motor driver, and motor driver is connect with focusing controller, Focusing controller controls motor driver, and motor driver controls motor.
  2. 2. the laser marking machine according to claim 1 based on 3-D scanning, it is characterised in that: the lift-sliding mechanism It include traversing axis and lifting shaft, light pedestal is mounted on traversing axis, and traversing axis is mounted on lifting shaft, and three collectively forms sharp The lifting moving and transverse displacement arrangement of light labelling head.
  3. 3. the laser marking machine according to claim 2 based on 3-D scanning, it is characterised in that: be arranged in the lifting shaft There is elevating screw, lifting motor is installed on the top of lifting shaft, lifting motor connects elevating screw, while lifting motor is also single Solely connection motor driver.
  4. 4. the laser marking machine according to claim 3 based on 3-D scanning, it is characterised in that: be equipped on lifting shaft Lifter plate, lifter plate are connect with elevating screw, and entire traversing axis, which is mounted on the lifter plate, forms liftable structure;In lifting shaft Top be provided with position limit device, the lower part of lifting shaft is provided with lower caging device, the two cooperatively forms the upper of lifter plate Lower limit bit architecture.
  5. 5. the laser marking machine according to claim 2 based on 3-D scanning, it is characterised in that: be arranged in the traversing axis There is traversing screw rod, traversing motor is installed in the tail end of traversing axis, traversing motor connects traversing screw rod, while traversing motor is also single Solely connection motor driver.
  6. 6. the laser marking machine according to claim 5 based on 3-D scanning, it is characterised in that: be equipped on traversing axis Traversing plate, traversing plate are connect with traversing screw rod, entire light pedestal be mounted on the traversing plate formed can transverse moving structure;In traversing axis Left end be provided with left limit device, the right end of traversing axis is provided with right limit device, the two cooperatively forms a left side for traversing plate Right limit structure.
  7. 7. the laser marking machine according to claim 2 based on 3-D scanning, it is characterised in that: the bottom of the lifting shaft It is mounted on a lifting axis fixing plate, lifting axis fixing plate is mounted on the fixed bottom plate of an equipment, and the fixed bottom plate of equipment is located at light The lower section of pedestal and laser marking head.
CN201920037315.1U 2019-01-09 2019-01-09 A kind of laser marking machine based on 3-D scanning Active CN209363872U (en)

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Application Number Priority Date Filing Date Title
CN201920037315.1U CN209363872U (en) 2019-01-09 2019-01-09 A kind of laser marking machine based on 3-D scanning

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Application Number Priority Date Filing Date Title
CN201920037315.1U CN209363872U (en) 2019-01-09 2019-01-09 A kind of laser marking machine based on 3-D scanning

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109500499A (en) * 2019-01-09 2019-03-22 广州达呈激光科技有限公司 A kind of laser marking machine based on 3-D scanning
CN112276339A (en) * 2020-10-19 2021-01-29 温州大学 Intelligent conformal laser scanning machining method and device for curved surface workpiece
CN116678342A (en) * 2023-03-27 2023-09-01 山东省煤田地质局物探测量队 Three-dimensional laser scanning equipment and system of measurement and control trolley

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109500499A (en) * 2019-01-09 2019-03-22 广州达呈激光科技有限公司 A kind of laser marking machine based on 3-D scanning
CN112276339A (en) * 2020-10-19 2021-01-29 温州大学 Intelligent conformal laser scanning machining method and device for curved surface workpiece
CN112276339B (en) * 2020-10-19 2022-02-15 温州大学 Intelligent conformal laser scanning machining method and device for curved surface workpiece
CN116678342A (en) * 2023-03-27 2023-09-01 山东省煤田地质局物探测量队 Three-dimensional laser scanning equipment and system of measurement and control trolley
CN116678342B (en) * 2023-03-27 2023-12-22 山东省煤田地质局物探测量队 Three-dimensional laser scanning equipment and system of measurement and control trolley

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