CN213410838U - Visual PCB laser cutting device - Google Patents
Visual PCB laser cutting device Download PDFInfo
- Publication number
- CN213410838U CN213410838U CN202022294943.3U CN202022294943U CN213410838U CN 213410838 U CN213410838 U CN 213410838U CN 202022294943 U CN202022294943 U CN 202022294943U CN 213410838 U CN213410838 U CN 213410838U
- Authority
- CN
- China
- Prior art keywords
- pcb
- visualization
- galvanometer
- laser cutting
- visual
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Laser Beam Processing (AREA)
Abstract
The utility model discloses a visual PCB laser cutting device, which comprises a PCB loading platform, a laser cutting mechanism, a visual mechanism and a lifting mechanism; the laser cutting mechanism comprises a laser emitting device arranged on the lifting mechanism, the front end of the laser emitting device is provided with a galvanometer, one side of the galvanometer is provided with a CCD camera and a lens in a paraxial mode, the other side of the galvanometer is provided with a distance sensor, a field lens is coaxially arranged below the galvanometer, and the field lens is positioned above the PCB loading platform; the visualization mechanism comprises a visualization host, an image processor and a visualization touch screen which are connected with each other; the CCD camera is connected with the image processor, and the lifting mechanism is connected with the visual host. The application avoids using a semi-transparent semi-reflecting mirror, simplifies the structure of the device and effectively reduces the cost of the device; meanwhile, the effect of 'what you see is what you get' is achieved through image correction of the image processor, so that an operator can directly edit a cutting path on an image, the operability of the device is greatly improved, complicated tool positioning operation is omitted, and the PCB processing production efficiency is improved.
Description
Technical Field
The utility model belongs to laser precision finishing field, concretely relates to visual PCB laser cutting device.
Background
Along with the intelligent development of the electronic industry, the integration level of electronic elements is higher and higher, the PCB needs to be cut or frames need to be removed in the process of processing the PCB, and the traditional methods comprise manual plate folding, grinding wheel cutting and milling processing of the PCB by adopting a milling cutter. Because the methods are contact processing, the method can generate stress on the PCB, possibly cause the edge of the PCB to warp and deform, and even generate edge chipping and cracks, thereby further influencing the performance of the PCB.
Laser cutting exhibits incomparable advantages compared with traditional cutting methods due to the unique properties of laser. The PCB laser cutting realizes layer-by-layer scanning stripping by controlling the scanning path of the high-energy laser beam, belongs to non-contact processing, has the advantages of no stress, no burr, smooth and neat cutting end surface, small heat affected zone and the like compared with the traditional cutting method, and becomes the preferred mode of PCB cutting. Meanwhile, as the shapes of the PCBs are more and more diversified, the scanning patterns and the cutting paths of the PCBs are positioned in a previewing mode in conventional laser cutting, the method is complex to operate, the requirements on the tool fixture are high, and the production efficiency is influenced.
In view of this, it is necessary to design a laser cutting machine for PCB, which is simple and convenient to operate and suitable for different cutting shapes, so as to improve the cutting efficiency of PCB.
SUMMERY OF THE UTILITY MODEL
The utility model provides a visual PCB laser cutting device has effectively solved laser cutting location operation complicacy, requires high problem to the frock clamp, promotes PCB cutting efficiency.
In order to achieve the above object, the utility model adopts the following technical scheme:
a visual PCB laser cutting device comprises a PCB loading platform, a laser cutting mechanism, a visual mechanism and a lifting mechanism;
the laser cutting mechanism comprises a laser emitting device, a galvanometer, a field lens, a CCD camera, a lens and a distance sensor, the laser emitting device is mounted on the lifting mechanism, the galvanometer is arranged at the front end of the laser emitting device, the CCD camera and the lens are arranged on one side of the galvanometer, the distance sensor is arranged on the other side of the galvanometer, the field lens is coaxially arranged below the galvanometer, and the field lens is positioned above the PCB loading platform;
the visualization mechanism comprises a visualization host, an image processor and a visualization touch screen, and the visualization host is connected with the visualization touch screen through the image processor;
the CCD camera and the lens are arranged opposite to the paraxial of the vibrating mirror and connected with the image processor, and the lifting mechanism is connected with the visual host.
Preferably, the CCD camera and the lens are fixed to a side wall of the galvanometer, and an angle is provided between the CCD camera and the galvanometer.
Preferably, the visualization host comprises a central processing unit, a display card connected with the central processing unit, a memory and an interface;
the image processor comprises a display module and a data processing module which are connected with each other.
Preferably, the lifting mechanism comprises a Z-axis linear slide rail, a slider arranged on the Z-axis linear slide rail and fixedly connected with the laser emitting device, and a servo motor driving the slider to slide on the Z-axis linear slide rail, and the servo motor is connected with the visualization host.
Preferably as above-mentioned scheme, be equipped with X axle slip table and Y axle slip table on the PCB loading platform, install the spring splint that are used for holding the PCB board on the X axle slip table, and spring splint can move along X axle and Y axle, and spring splint upper surface is equipped with the card strip that is used for fixed PCB board.
Due to the structure, the beneficial effects of the utility model reside in that:
the utility model provides a visual PCB laser cutting device, adopt paraxial CCD camera and camera lens to treat the cutting PCB board and take a picture, then utilize the image correction algorithm to convert the paraxial image into coaxial image in image processor, realize that image light path and laser transmission light path are coaxial confocal, and do the translation to the image after the correction, operations such as zoom and rotation, make planning path and the actual path of carving coincide completely, shake mirror coordinate system and camera image coordinate system coincidence promptly, can be according to the PCB image that shows in the video on visual touch-sensitive screen, treat the corresponding figure of position editing of cutting, the motion control laser of rethread visual host control elevating system and X, Y axle galvanometer motor scans along editing graph, accomplish the accurate cutting to the PCB board. Thereby avoiding using a semi-transparent semi-reflecting mirror, simplifying the structure of the device and effectively reducing the cost of the device; meanwhile, the effect of 'what you see is what you get' is achieved, an operator can directly edit a cutting path on an image, the operability of the device is greatly improved, complex tool positioning operation is omitted, and the PCB processing production efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of the visualization mechanism of the present invention;
fig. 3 is a light path diagram of the present invention.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 3, the present embodiment provides a visual PCB laser cutting device, which includes a PCB loading platform 1, a laser cutting mechanism, a visual mechanism, and a lifting mechanism 2;
the laser cutting mechanism comprises a laser emitting device 31, a galvanometer 32, a field lens 35, a CCD camera and lens 33 and a distance sensor 34, the laser emitting device 31 is installed on the lifting mechanism 2, the galvanometer 32 is arranged at the front end of the laser emitting device 31, the CCD camera and lens 33 are arranged on one side of the galvanometer 32, the distance sensor 34 is arranged on the other side of the galvanometer 32, the field lens 35 is coaxially arranged below the galvanometer 32, and the field lens 35 is positioned above the PCB loading platform 1;
the visualization mechanism comprises a visualization host, an image processor and a visualization touch screen, and the visualization host is connected with the visualization touch screen through the image processor;
the CCD camera and lens 33 is mounted paraxially relative to the galvanometer 32 and connected with the image processor, and the lifting mechanism 2 is connected with the visual host.
Wherein:
the mirror 32 that shakes includes that the X axle shakes the mirror, the X axle shakes the mirror motor and the Y axle shakes the mirror, the Y axle shakes the mirror motor, the X axle shakes the mirror and the Y axle shakes the mirror and sets up respectively on the X axle shakes the mirror motor and the Y axle shakes the mirror motor, the X axle shakes the mirror motor and the Y axle shakes the mirror motor and directly or indirectly is connected with visual host computer.
The CCD camera and lens 33 are fixed on the side wall of one side of the galvanometer 32, and an angle is arranged between the CCD camera and the galvanometer 32 and is not coaxial with the laser transmission light path.
The visual host comprises a central processing unit, a display card connected with the central processing unit, a memory and an interface;
the image processor comprises a display module and a data processing module which are connected with each other.
The lifting mechanism 2 comprises a Z-axis linear slide rail, a slide block which is arranged on the Z-axis linear slide rail and is fixedly connected with the laser emission device 31, and a servo motor which drives the slide block to slide on the Z-axis linear slide rail, wherein the servo motor is connected with the visual host.
In this embodiment:
the laser emitting device 31, the galvanometer 32 and the field lens 35 form a laser transmission light path for PCB laser cutting, and control laser to perform scanning cutting within a cutting range;
the CCD camera and the lens 33 are visible light transmission light paths and are used for collecting images of a processing area in real time and transmitting the images to the image processor, and the images shot by the image processor show a distortion effect of 'big end up and small end up';
the distance sensor 34 is used for measuring the distance of the PCB processing surface in real time and transmitting distance parameters to the visualization host, the light path of the distance sensor 34 and the laser light path belong to a coaxial light path, but are not on the same focal plane, and have a certain displacement, before the PCB is processed, if the distance sensor 34 indicates that the light is not on the surface of the PCB to be processed, the PCB needs to be moved to the position under the red light indication of the distance sensor 34 by the two-dimensional moving platform for automatic focusing, and then the position of the PCB to be processed is moved to the image area;
the image processor is used for carrying out distortion correction and proportion correction on the image scanned by the galvanometer 32 according to an internal software algorithm (the software algorithm can adopt the prior art), realizing the shape and the size of a planned path and an actual path to be consistent, and carrying out zooming, translation and rotation on the image to realize the superposition of the planned path and the actual path;
the visual touch screen is used for providing an operation platform for an operator to edit a corresponding graph at a position to be cut according to a PCB image displayed in a video;
the visual host is used for controlling the lifting mechanism 2, enabling the lifting mechanism 2 to move to a laser focal length position, achieving automatic focusing, being applicable to cutting of PCBs with different thicknesses, and controlling the X, Y shaft vibrating mirror motor to enable light spots to scan along an appointed path.
The working step principle of the structure is as follows:
s1, fixing the PCB to be cut on the PCB loading platform 1, clamping the PCB through the left and right clamping strips 14 of the platform, supporting the PCB at the lower end by the spring clamping plate 13, and adaptively adjusting the clamping force according to the size and weight of the PCB;
s2, moving the PCB to be processed to a view field by adjusting the position of the spring clamp plate 13 on the PCB loading platform 1, collecting the image of the PCB to be cut through the CCD camera and the lens 33, transmitting the image to a visualization mechanism, and displaying the image on the visualization mechanism;
s3, the distance sensor 34 collects the distance of the surface of the PCB in real time, if the processing distance is in an out-of-focus state, namely the measured distance is not on the laser focal length, the operation of the lifting mechanism 2 is controlled through the difference value between the measured distance and the focal length, the Z-axis position of the laser transmission light path is adjusted, the light path structure is moved to the laser focal length, and the automatic focusing function is realized;
s4, an operator directly edits a path to be cut on the image of the visual touch screen, the image processor converts the coordinate system to enable the path displayed on the image to be the actual cutting path, and the visual host controls the laser to scan along the edited graph to peel off the PCB material layer by layer until the PCB is broken.
The visual PCB laser cutting device of this embodiment adopts paraxial CCD camera and camera lens 33 collection to treat the image of cutting the PCB board, then utilize image correction algorithm to change the paraxial image into coaxial image in image processor, realize that image light path and laser transmission light path are coaxial confocal, and do operations such as translation, scale and rotation to the image after the correction, make plan the route and the complete coincidence of the actual mark path of carving, shake mirror 32 coordinate system and camera image coordinate system coincidence promptly, can be according to the PCB image that shows in the video on visual touch-sensitive screen, treat the corresponding figure of position editing of cutting, rethread visual host control elevating system 2 and X, Y axle shake the motion control laser of mirror motor and scan along editing the figure, accomplish the accurate cutting to the PCB board. Thereby avoiding using a semi-transparent semi-reflecting mirror, simplifying the structure of the device and effectively reducing the cost of the device; meanwhile, the effect of 'what you see is what you get' is achieved, an operator can directly edit a cutting path on an image, the operability of the device is greatly improved, complex tool positioning operation is omitted, and the PCB processing production efficiency is improved.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a visual PCB laser cutting device which characterized in that: the device comprises a PCB loading platform, a laser cutting mechanism, a visualization mechanism and a lifting mechanism;
the laser cutting mechanism comprises a laser emitting device, a galvanometer, a field lens, a CCD camera, a lens and a distance sensor, the laser emitting device is mounted on the lifting mechanism, the galvanometer is arranged at the front end of the laser emitting device, the CCD camera and the lens are arranged on one side of the galvanometer, the distance sensor is arranged on the other side of the galvanometer, the field lens is coaxially arranged below the galvanometer, and the field lens is positioned above the PCB loading platform;
the visualization mechanism comprises a visualization host, an image processor and a visualization touch screen, and the visualization host is connected with the visualization touch screen through the image processor;
the CCD camera and the lens are arranged opposite to the paraxial of the vibrating mirror and connected with the image processor, and the lifting mechanism is connected with the visual host.
2. The visualization PCB laser cutting device of claim 1, wherein: the CCD camera and the lens are fixed on the side wall of the vibrating mirror, and an angle is formed between the CCD camera and the vibrating mirror.
3. The visualization PCB laser cutting device of claim 1, wherein: the visual host comprises a central processing unit, a display card connected with the central processing unit, a memory and an interface;
the image processor comprises a display module and a data processing module which are connected with each other.
4. The visualization PCB laser cutting device of claim 1, wherein: the lifting mechanism comprises a Z-axis linear slide rail, a slide block which is arranged on the Z-axis linear slide rail and is fixedly connected with the laser emission device, and a servo motor which drives the slide block to slide on the Z-axis linear slide rail, wherein the servo motor is connected with the visual host.
5. The visualization PCB laser cutting device of claim 1, wherein: the PCB loading platform is provided with an X-axis sliding table and a Y-axis sliding table, a spring clamping plate used for supporting the PCB is installed on the X-axis sliding table, the spring clamping plate can move along the X axis and the Y axis, and a clamping strip used for fixing the PCB is arranged on the upper surface of the spring clamping plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022294943.3U CN213410838U (en) | 2020-10-15 | 2020-10-15 | Visual PCB laser cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022294943.3U CN213410838U (en) | 2020-10-15 | 2020-10-15 | Visual PCB laser cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213410838U true CN213410838U (en) | 2021-06-11 |
Family
ID=76268874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022294943.3U Active CN213410838U (en) | 2020-10-15 | 2020-10-15 | Visual PCB laser cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213410838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117102697A (en) * | 2023-09-28 | 2023-11-24 | 芜湖雅葆轩电子科技股份有限公司 | PCB (printed circuit board) segmentation sampling device and method |
-
2020
- 2020-10-15 CN CN202022294943.3U patent/CN213410838U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117102697A (en) * | 2023-09-28 | 2023-11-24 | 芜湖雅葆轩电子科技股份有限公司 | PCB (printed circuit board) segmentation sampling device and method |
| CN117102697B (en) * | 2023-09-28 | 2024-03-19 | 芜湖雅葆轩电子科技股份有限公司 | PCB (printed circuit board) segmentation sampling device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113231745B (en) | Laser engraving plate-making apparatus, control system, plate-making method, and storage medium | |
| CN106271044B (en) | Laser marking machine and CCD coaxial optical path localization method | |
| CN106583941B (en) | 3D body laser inner carving method and system based on mobile end data acquisition | |
| CN109201413B (en) | Visual positioning point glue system and method thereof | |
| CN101396767B (en) | Laser processing apparatus, processed data generating method | |
| CN104002039B (en) | A kind of laser equipment obtains the method for laser spot | |
| CN210995641U (en) | Laser cleaning machine | |
| CN102423987B (en) | Precision engraving machine for processing glass panel and method for processing glass panel by using same | |
| CN104475971B (en) | A kind of beam splitting laser multistation timesharing cutting machine and processing method | |
| CN101431126A (en) | Novel apparatus used for film engraving and dotting of thin-film solar cell | |
| CN109909602B (en) | Optical-electromechanical cooperative control system of ultrafast laser processing equipment | |
| CN102825505A (en) | Online detecting system of machine tool cutters based on machine vision | |
| CN108015430A (en) | Laser mark printing device and equipment | |
| CN109202082A (en) | Increase material, etc. materials, subtract material composition metal 3D laser forming device and its method | |
| JP2002530710A (en) | Apparatus and method for scanning a region of an object using a laser beam | |
| CN110888202A (en) | Optical fiber coupler and control method thereof | |
| CN213410838U (en) | Visual PCB laser cutting device | |
| CN110216374A (en) | Laser-processing system and laser processing | |
| EP4198448A1 (en) | System and method for calibrating laser processing parameters | |
| JP2007503111A (en) | Adjusting the bonding head element with the aid of a camera | |
| CN112570211A (en) | Automatic optical fiber penetrating device for optical fiber array | |
| CN107796336B (en) | Automatic optical detector | |
| CN206425685U (en) | The laser process equipment of cell phone rear cover and frame | |
| CN206335254U (en) | Carving system in a kind of 3D Automatic lasers | |
| CN110076463A (en) | A kind of circuit board laser cutting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |