CN112958924A - Universal adjusting imaging device and laser drilling equipment - Google Patents
Universal adjusting imaging device and laser drilling equipment Download PDFInfo
- Publication number
- CN112958924A CN112958924A CN202110288723.6A CN202110288723A CN112958924A CN 112958924 A CN112958924 A CN 112958924A CN 202110288723 A CN202110288723 A CN 202110288723A CN 112958924 A CN112958924 A CN 112958924A
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- China
- Prior art keywords
- optical fiber
- imaging device
- light source
- ccd camera
- universal
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- 238000003384 imaging method Methods 0.000 title claims abstract description 47
- 238000005553 drilling Methods 0.000 title claims abstract description 28
- 239000013307 optical fiber Substances 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims description 23
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 21
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 21
- 241001330002 Bambuseae Species 0.000 claims description 21
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 21
- 239000011425 bamboo Substances 0.000 claims description 21
- 229910052736 halogen Inorganic materials 0.000 claims description 11
- 150000002367 halogens Chemical class 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 abstract description 12
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 239000004020 conductor Substances 0.000 abstract description 4
- 238000003698 laser cutting Methods 0.000 abstract description 4
- 238000005452 bending Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
- B23K26/382—Removing material by boring or cutting by boring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/03—Observing, e.g. monitoring, the workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention provides a universal adjusting imaging device and laser drilling equipment, which comprise a light source, an optical fiber, a CCD camera and an imaging unit, wherein a glass optical fiber is used as a light transmission conductor, so that light beams of the light source are guided and irradiated to the surface of a laser cutting nozzle opening and a machined workpiece, images are acquired by the CCD camera of the equipment, and the position of a hole site is imaged on the imaging unit in real time, so that the accurate alignment function of the hole site in the early stage of laser drilling is realized.
Description
Technical Field
The invention relates to the technical field of laser processing, in particular to a universal adjusting imaging device and laser drilling equipment, which are used for aligning and observing hole positions during laser drilling.
Background
When the laser drilling machine is used for processing the micro holes in batches, the hole positions need to be accurately positioned, an operator always uses a handheld flashlight as a temporary light source, and when the angle adjusting range of the light source is large, the narrow-slit deep hole is completed by two persons in a matched mode, so that the operation is very inconvenient, the light source is unstable, the imaging observation effect is unsatisfactory, the follow-up performance of the light source and the coordinate axis is poor, and the working efficiency is extremely low. In the face of the diversity of the processing parts of the equipment, after the processing parts are frequently replaced, the complicated operation tasks are required, and the processing efficiency of the equipment is seriously influenced.
In order to solve the problems, a laser drilling universal adjusting imaging device is needed to be designed, and the accurate positioning of hole positions is improved.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the universal adjusting imaging device for laser drilling, the light source device is additionally arranged on the nozzle part of the laser drilling machine, the change of any angle can be realized, the light source is provided for the laser drilling imaging system, the accurate positioning of hole positions is realized, and the accuracy and the high efficiency of the batch deep-small hole and batch narrow slit processing of laser are favorably improved.
The invention is realized by the following technical scheme:
a universal regulation imaging device comprises a light source, an optical fiber, a CCD camera and an imaging unit;
one end of the optical fiber is connected with the light source, the other end of the optical fiber is arranged at the end part of a nozzle mechanism of the laser punching machine, the optical fiber is used for providing brightness for a punching area of a workpiece, a focusing focus of the CCD camera is superposed with a focus of a laser beam, the CCD camera is connected with the imaging unit, and the imaging unit is used for displaying and measuring parameters of a target hole of the workpiece.
Preferably, the light source is a halogen cold light source, and the light incident end of the optical fiber is connected with the halogen cold light source.
Preferably, the optical fiber is a multi-head optical fiber, and a plurality of optical fiber heads are arranged around the nozzle mechanism.
Preferably, the light outlet end of the optical fiber is fixed on the nozzle mechanism through an angle adjusting device.
Preferably, the angle adjusting device is a universal bamboo joint pipe, and the optical fiber is arranged in the universal bamboo joint pipe in a penetrating mode.
Preferably, the universal bamboo joint pipe is fixedly connected to the upper end of the nozzle mechanism through a clamp type fixing frame.
Preferably, the clamp type fixing support comprises two fixing frames with the same structure, a plurality of semicircular grooves are formed in one side of each fixing frame, the grooves in the middle of each fixing frame are used for being assembled on the upper portion of the nozzle mechanism, the other two grooves are used for being assembled with universal bamboo joint pipes, and the two fixing frames are connected through bolts.
Preferably, the CCD camera is arranged at the top of the laser-beam drilling machine head through a support frame.
Preferably, the imaging unit includes a monitor and a controller, and the controller is connected to the CCD camera and the monitor, respectively.
The laser drilling equipment is provided with the universal adjusting imaging device.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides a universal adjusting imaging device for laser drilling, which adopts a glass optical fiber as a light transmission conductor, leads light beams of a light source to be guided and irradiated to a laser cutting nozzle opening and the surface of a processed workpiece, then acquires images through a CCD camera of equipment, and images hole position positions on an imaging unit in real time, thereby realizing the accurate alignment function of hole positions in the early stage of laser drilling.
Drawings
FIG. 1 is a front view of a clamp type fixing bracket of the present invention;
FIG. 2 is a top view of the clamp-type securement bracket of the present invention;
FIG. 3 is a structural assembly of the imaging device of the present invention;
fig. 4 is a state diagram of the use of the image forming apparatus of the present invention.
In the figure: 1. a halogen cold light source; 2. a universal bamboo joint pipe; 3. a clamp type fixing bracket; 4. a nozzle mechanism; 5. a CCD camera; 6. a power line; 7. a monitor; 8. the light spot is imaged.
Detailed Description
The present invention will now be described in further detail with reference to the attached drawings, which are illustrative, but not limiting, of the present invention.
Referring to fig. 1-4, a laser drilling universal adjusting imaging device includes a light source, an optical fiber, a CCD camera and an imaging unit;
one end of the optical fiber is connected with the light source, the other end of the optical fiber is provided with the end part of a nozzle mechanism 4 of the laser drilling machine, the optical fiber is used for providing brightness for a drilling area of a workpiece, the focus of the CCD camera is superposed with the focus of the laser beam, the CCD camera is connected with the imaging unit, and the imaging unit is used for displaying and measuring parameters of a target hole.
The light source is a halogen cold light source 1, the optical fiber is connected with the halogen cold light source, and the glass optical fiber is used as a light transmission conductor and is further transmitted to a processing area of a workpiece.
The other end of optic fibre passes through fixed bolster and universal bamboo joint pipe 2 to be fixed at the transmitting terminal of nozzle mechanism 4, the fixed bolster is connected in the upper end of nozzle mechanism 4, the fixed bolster circumference equipartition has a plurality of clamping parts, be provided with a universal bamboo joint pipe 2 in every adds the clamping part, optic fibre is installed to every universal bamboo joint pipe 2, the lower extreme of optic fibre and the lower extreme parallel and level of universal bamboo joint pipe 2, the upper end and the halogen cold light source 1 of many optic fibres are connected, the lower extreme of a plurality of universal bamboo joint pipes 2 encircles and arranges around nozzle mechanism 4.
Preferably, the number of optical fibers is two, symmetrically opposite to each other on both sides of the nozzle mechanism 4.
The fixed bolster is clamp formula fixed bolster 3, including two mounts that the structure is the same, and one side of mount is provided with a plurality of semicircular groove, and the recess at middle part is used for joining in marriage at 4 upper portions of nozzle mechanism, and two other recesses are used for joining in marriage the universal bamboo joint pipe, and two mounts pass through bolted connection.
The CCD camera is arranged at the top of the laser drilling machine head through a support frame, the imaging unit comprises a monitor 7 and a controller, the controller is respectively connected with the CCD camera 5 and the monitor 7 through a power cord 6, and a clear hole type outline and an imaging light spot 8 are displayed on the monitor 7.
The laser boring universal regulation imaging device takes the nozzle mechanism 4 as a main connector, the clamp type fixing support 3 connects the universal bamboo joint pipe and the nozzle mechanism 4 into a whole, optical fibers are installed in the universal bamboo joint pipe in a penetrating mode to form the angle-adjustable imaging device, a light source is provided for the CCD camera 5 and the monitor 7 to achieve imaging, and clear hole pattern contours are presented on the monitor.
Due to the difference of processing materials, processing hole patterns, hole depths and absorption and reflection parameters of light, the optimal image display effect can be achieved by adjusting the output power of the halogen cold light source 1, the bending angle of the universal bamboo joint pipe, the distance between the light outlet and the nozzle opening and the like.
The glass optical fiber with good light conduction performance is selected and installed in the universal bamboo joint pipe, so that the requirement for angle transformation of the glass optical fiber is met, and the glass optical fiber is protected from being damaged due to the fact that the bending angle of the glass optical fiber is too small. When the device is installed, the distance between the fixed position of the halogen cold light source 1 and the nozzle opening of the nozzle mechanism needs to be measured, and the light outlet of the light source is determined, so that the length of the universal bamboo joint glass optical fiber is accurately calculated, and the phenomenon that the optical fiber is dragged due to insufficient length during work and the normal work of the laser cutting nozzle is interfered is avoided.
The clamp type fixing support is firmly and tightly matched with the nozzle mechanisms, each set of nozzle mechanisms is provided with the anti-collision protection mechanism, and when the clamp type fixing support is installed, the interference of the anti-collision protection mechanisms is avoided, and the original protection function is kept. The clamp type fixing support is used for fixing the double-end optical fiber, flexible installation and convenient adjustment are needed, and after the imaging system finishes the hole position, the equipment can be conveniently adjusted and avoided when being processed normally, so that the pollution of metal dust to the optical fiber light outlet in the laser processing process is prevented, and the interference of the optical fiber light outlet to a nozzle and a workpiece is prevented.
Calibration method of imaging system: the focus of the CCD camera 5 needs to be adjusted to coincide with the focus of the processing laser beam, the position of the light spot coincides with the displayed center of the cross, and the coaxiality of the nozzle and the inner focusing mirror coincides. When the imaging is realized, the cleaning of the surface of the workpiece, the nozzle opening, the inner protective lens and the like are ensured.
The invention provides a universal adjusting imaging device for laser drilling, which selects a halogen cold light source with adjustable power brightness as a light source, a glass optical fiber as a light transmission conductor, a universal bamboo joint pipe is sleeved on a light output port of the glass optical fiber, a clamp type fixing support is adopted to firmly fix the universal bamboo joint pipe, so that a light beam of the light source is guided and irradiated on a laser cutting nozzle port and the surface of a processing workpiece, an image is acquired by a CCD camera of equipment, the position of a hole site is imaged on a monitor in real time, 360-degree omnibearing bending is realized by utilizing the universal bamboo joint pipe of a machine tool, the internal black glass optical fiber can be protected from being damaged, after the clamp type fixing support is fixed, the light outlet is bent at any angle and emits light, so that the accurate hole site alignment function in the early stage of laser drilling is realized, the device can realize any angle change, and provides the light source for a laser drilling imaging, therefore, the accurate positioning of hole positions is realized, and the accuracy and the efficiency of the batch deep small hole and batch narrow slit processing of laser are improved.
According to the processing requirement, the glass optical fiber can guide the light source to the nozzle opening at any angle, and the light source system can follow the coordinate of the machine reliably, and the light source angle is adjusted once, so that the position alignment work before the batch small hole processing can be completed. The brightness of the light source can be adjusted, and different requirements of processing various small holes such as shallow holes, deep holes, inclined holes and the like on the light source are met. When in use, only the angle of the light outlet is required to be adjusted, so that the laser drilling and cutting device is convenient to mount and adjust, reliable in work and capable of being widely used.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (10)
1. A universal regulation imaging device is characterized by comprising a light source, an optical fiber, a CCD camera and an imaging unit;
one end of the optical fiber is connected with the light source, the other end of the optical fiber is arranged at the end part of a nozzle mechanism (4) of the laser drilling machine, the optical fiber is used for providing brightness for a drilling area of a workpiece, a focusing focus of the CCD camera is superposed with a focus of a laser beam, the CCD camera is connected with the imaging unit, and the imaging unit is used for displaying and measuring parameters of a target hole of the workpiece.
2. The universal adjusting imaging device according to claim 1, wherein the light source is a halogen cold light source (1), and the light inlet end of the optical fiber is connected with the halogen cold light source.
3. A universally adjustable imaging device according to claim 1, wherein said optical fiber is a multi-start fiber, and wherein a plurality of fiber starts are arranged around the nozzle means (4).
4. A universally adjustable imaging device according to claim 1, wherein the light exit end of the optical fiber is fixed to the nozzle mechanism (4) by means of an angle adjustment device.
5. A gimbaled imaging device according to claim 4, characterized in that the angular adjustment means is a gimbals tube (2) and the optical fiber is threaded into the gimbals tube (2).
6. A universally adjustable imaging device according to claim 5, wherein the universal bamboo joint tube (2) is fixedly connected to the upper end of the nozzle mechanism (4) by means of a clamp-type fixing frame.
7. A universal adjustment imaging device according to claim 6, characterized in that the clamp type fixing support (3) comprises two fixing supports with the same structure, one side of the fixing support is provided with a plurality of semicircular grooves, the groove in the middle is used for being assembled on the upper part of the nozzle mechanism (4), the other two grooves are used for being assembled with universal bamboo joint pipes, and the two fixing supports are connected through bolts.
8. The imaging device of claim 1, wherein the CCD camera is mounted on top of the laser-beam drilling machine head by a support bracket.
9. A universally adjustable imaging device according to claim 1, wherein said imaging unit comprises a monitor (7) and a controller, the controller being connected to the CCD camera (5) and the monitor (7), respectively.
10. A laser drilling apparatus, characterized in that a universally adjustable imaging device according to any one of claims 1-9 is mounted on the laser drilling apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110288723.6A CN112958924A (en) | 2021-03-17 | 2021-03-17 | Universal adjusting imaging device and laser drilling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110288723.6A CN112958924A (en) | 2021-03-17 | 2021-03-17 | Universal adjusting imaging device and laser drilling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112958924A true CN112958924A (en) | 2021-06-15 |
Family
ID=76279194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110288723.6A Pending CN112958924A (en) | 2021-03-17 | 2021-03-17 | Universal adjusting imaging device and laser drilling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112958924A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473182A (en) * | 2022-03-28 | 2022-05-13 | 浙江摩多巴克斯科技股份有限公司 | Laser head capable of freely rotating |
| CN114700800A (en) * | 2022-03-30 | 2022-07-05 | 重庆大学 | Micro-lubricating nozzle auxiliary alignment device |
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| JP2012250338A (en) * | 2011-06-07 | 2012-12-20 | Disco Corp | Machining device |
| CN102905841A (en) * | 2010-05-11 | 2013-01-30 | 普雷茨特两合公司 | Laser cutting head and method for cutting a workpiece by means of a laser cutting head |
| CN206684786U (en) * | 2017-04-25 | 2017-11-28 | 于司泰 | A kind of first-class burnt alignment system of multi-functional microimaging |
| CN108788497A (en) * | 2018-05-29 | 2018-11-13 | 江苏大学 | A kind of device of real-time monitoring energy field strength Laser microdrilling |
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2021
- 2021-03-17 CN CN202110288723.6A patent/CN112958924A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102905841A (en) * | 2010-05-11 | 2013-01-30 | 普雷茨特两合公司 | Laser cutting head and method for cutting a workpiece by means of a laser cutting head |
| US20130068738A1 (en) * | 2010-05-11 | 2013-03-21 | Precitec Kg | Laser cutting head and method for cutting a workpiece by means of a laser cutting head |
| JP2012250338A (en) * | 2011-06-07 | 2012-12-20 | Disco Corp | Machining device |
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| CN206684786U (en) * | 2017-04-25 | 2017-11-28 | 于司泰 | A kind of first-class burnt alignment system of multi-functional microimaging |
| CN108788497A (en) * | 2018-05-29 | 2018-11-13 | 江苏大学 | A kind of device of real-time monitoring energy field strength Laser microdrilling |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473182A (en) * | 2022-03-28 | 2022-05-13 | 浙江摩多巴克斯科技股份有限公司 | Laser head capable of freely rotating |
| CN114473182B (en) * | 2022-03-28 | 2022-07-26 | 浙江摩多巴克斯科技股份有限公司 | Laser head capable of freely rotating |
| CN114700800A (en) * | 2022-03-30 | 2022-07-05 | 重庆大学 | Micro-lubricating nozzle auxiliary alignment device |
| CN114700800B (en) * | 2022-03-30 | 2024-04-12 | 重庆大学 | Auxiliary alignment device for micro-lubrication nozzle |
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Application publication date: 20210615 |