CN215699019U - Laser light path mechanism based on visual positioning - Google Patents
Laser light path mechanism based on visual positioning Download PDFInfo
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- CN215699019U CN215699019U CN202122258689.6U CN202122258689U CN215699019U CN 215699019 U CN215699019 U CN 215699019U CN 202122258689 U CN202122258689 U CN 202122258689U CN 215699019 U CN215699019 U CN 215699019U
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Abstract
The utility model discloses a laser light path mechanism based on visual positioning, which comprises: the laser device is arranged along the vertical direction, a laser ejection hole is formed in the bottom of the laser device, the lens assembly comprises a beam combiner, a reflector, a beam expander, a galvanometer and a field lens, the beam combiner is arranged below the laser ejection hole, the reflector is arranged below the beam combiner, the beam expander and the galvanometer are coaxially arranged on one side of the reflector, and the field lens is arranged below the galvanometer; the visual positioning module is arranged on one side of the galvanometer and comprises a camera and a light source assembly, the camera is arranged along the vertical direction, and the light source assembly is arranged below a lens of the camera. The laser light path mechanism based on visual positioning has the advantages of reasonable layout of all parts, compact structure, small occupied space and convenient maintenance.
Description
Technical Field
The utility model relates to the technical field of laser processing equipment, in particular to a laser light path mechanism based on visual positioning.
Background
The laser processing equipment is used for generating high-energy continuous laser beams through a laser generator to locally irradiate a product, and the focused laser beams cut, mark, weld, punch, micro-process and the like the product (including metal and nonmetal). As an advanced manufacturing technology, laser processing equipment has been widely applied to industries such as automobiles, electronics, electrical appliances, aviation, metallurgy, mechanical manufacturing and the like, and plays a significant role in improving product quality, improving production efficiency, automating, preventing pollution, reducing material consumption and the like.
The laser marking technology is one of the largest application fields of laser processing, and forms a permanent mark such as required characters, symbols or patterns by controlling the path of laser on the surface of a material. At present, the laser light path mechanism that laser marking machine adopted all arranges the laser instrument level, the laser that the laser instrument jetted out can directly get into the mirror that shakes, finally jets out by the field lens, adopt this mode though can use less optical lens, but the laser instrument needs to be mutually supported by X, Y sharp module and drive horizontal migration in actual work, in order to guarantee the sufficient big stroke space of laser instrument, consequently, equipment board size is all bigger comparatively, the structure is compact enough, occupation space is big, bring some inconvenience in using. Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a laser light path mechanism based on visual positioning, which has a compact structure and small occupied space, can reduce the volume of laser marking equipment, can effectively prevent dust from entering a light path, and is convenient to maintain.
The technical scheme adopted by the utility model for solving the technical problem is as follows: a laser optical path mechanism based on visual positioning, comprising: the laser device comprises a base plate, a laser device, a lens assembly and a visual positioning module, wherein the laser device, the lens assembly and the visual positioning module are arranged on the base plate, the laser device is arranged along the vertical direction, a laser ejection hole is formed in the bottom of the laser device, the lens assembly comprises a beam combiner, a reflector, a beam expander, a galvanometer and a field lens, the beam combiner is arranged below the laser ejection hole, the reflector is arranged below the beam combiner, the beam expander and the galvanometer are coaxially arranged on one side of the reflector, the field lens is arranged below the galvanometer, laser emitted by the laser device is ejected from the laser ejection hole and then is ejected onto the reflector through the beam combiner, the reflector reflects the laser in the vertical direction and then horizontally and sequentially ejects into the beam expander and the galvanometer and vertically and downwards irradiates on a product to be marked through the field lens; the visual positioning module is arranged on one side of the galvanometer and used for identifying and determining the marking position of a product to be marked, the visual positioning module comprises a camera and a light source assembly, the camera is arranged along the vertical direction, and the light source assembly is arranged below a lens of the camera.
As a further improvement of the utility model, a protective cover is sleeved on the laser, a plurality of grid holes are formed in the protective cover, and cooling fans are arranged on two sides of the laser in the protective cover.
As a further improvement of the present invention, an optical path dust cover is mounted on the bottom plate, and the optical path dust cover covers the outside of the lens assembly.
As a further improvement of the present invention, windows are respectively formed on two sides of the optical path dust cover corresponding to the beam combiner, the reflector and the beam expander, and an optical path sealing plate is mounted on the windows.
As a further improvement of the utility model, the camera is provided with a support, and two ends of the support are respectively provided with a kidney-shaped hole and are fixedly arranged on one side surface of the light path dust cover through screws.
As a further improvement of the utility model, a dust extraction pipe is arranged on the bottom plate, and one end of the dust extraction pipe extends to the lower part of the field lens.
As a further improvement of the present invention, the light source assembly comprises a coaxial light source and an annular light source disposed below the coaxial light source.
As a further improvement of the present invention, a sensor for detecting the presence or absence of a product is mounted on the base plate.
As a further development of the utility model, the mirror has a mirror face which is arranged obliquely at 45 °.
The utility model has the beneficial effects that: the utility model provides a laser light path mechanism based on visual positioning, which is characterized in that lasers are arranged along the vertical direction, emitted laser is emitted to a reflector through a beam combining mirror, the reflector reflects the laser in the vertical direction and then horizontally emits the laser to a beam expanding mirror and a galvanometer in sequence, and then the laser is vertically emitted downwards through a field lens to mark a product, so that all parts are reasonable in layout, compact in structure, small in occupied space, capable of reducing the volume of laser marking equipment and convenient to use; meanwhile, a light path dustproof cover which covers the outer side of the lens component is arranged, so that dust entering a light path is effectively reduced from polluting the lens component, a window is formed in the light path dustproof cover, a light path sealing plate is installed on the light path dustproof cover, maintenance can be carried out only by disassembling the light path sealing plate, and the operation is convenient and fast; and a dust extraction pipe is also arranged, so that suspended particles generated during marking can be extracted away, and the dust removal effect is achieved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention with the protective cover and the light path sealing plate removed;
fig. 3 is a side view of the present invention.
The following description is made with reference to the accompanying drawings:
1-a bottom plate; 2-laser;
3-beam combining mirror; 4-mirror;
5-beam expander; 6-galvanometer;
7-field lens; 8-camera;
801-lens; 9-protective cover;
901-grid holes; 10-cooling fan;
11-optical path dust cover; 1101-window;
1102 — optical path sealing plate; 12-a support;
1201-kidney shaped hole; 13-dust extraction pipe;
14-coaxial light source; 15-ring light source;
16-sensor.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 3, the present invention provides a laser optical path mechanism based on visual positioning, including: the laser positioning device comprises a base plate 1, and a laser 2, a lens assembly and a vision positioning module which are arranged on the base plate 1. The laser 2 is arranged along the vertical direction and fixed on the bottom plate 1 through a back plate, and the bottom of the laser 2 is provided with a laser ejection hole through which laser is ejected vertically downwards.
The lens assembly comprises a beam combiner 3, a reflector 4, a beam expander 5, a galvanometer 6 and a field lens 7. The bottom of the laser 2 is provided with a mounting plate fixedly connected with the back plate, the beam combining mirror 3 is fixed on the mounting plate through a beam combining mirror seat, and the beam combining mirror 3 is positioned right below the laser ejection outlet. The reflector 4 is fixed on the bottom plate 1 through a reflector seat, and the reflector 4 is arranged right below the beam combiner 3. The reflecting mirror 4 is a rectangular reflecting mirror having a reflecting mirror surface inclined at 45 °, and reflects the laser light incident in the vertical direction and then emits the laser light in the horizontal direction. The beam expander 5 and the galvanometer 6 are coaxially arranged on one side of the reflector 4. Wherein, beam expanding lens 5, reflector 4 and beam combining lens 3 constitute the right angle distribution structure. The field lens 7 is arranged below the vibrating lens 6, laser emitted by the laser 2 is emitted from the laser emitting port and then is emitted to the reflecting lens 4 through the beam combining lens 3, the reflecting lens 4 reflects the laser in the vertical direction and then horizontally emits to the beam expanding lens 5 and the vibrating lens 6 in sequence, and then the laser vertically irradiates downwards on a product to be marked through the field lens 7. Through adopting this design, arrange laser instrument 2 along vertical direction, the realization is beaten the mark to the product after laser jets out through the camera lens subassembly, and each part is rationally distributed, compact structure, and occupation space is little, can reduce laser marking equipment volume, convenient to use.
Referring to fig. 3, the visual positioning module is disposed on one side of the galvanometer 6 and used for identifying and determining the marking position of the product to be marked, the visual positioning module includes a camera 8 and a light source assembly, the camera 8 is disposed along the vertical direction, and the light source assembly is disposed below the lens 801 of the camera 8. Wherein the light source assembly comprises a coaxial light source 14 and an annular light source 15, the annular light source 15 being arranged below the coaxial light source 14. The camera 8 adopts a CCD camera, and when marking operation is carried out, the camera 8 identifies and determines a marking position, and then the marking position is moved to enable the field lens 7 to align to the product marking position for marking.
Referring to fig. 1 and 2, a protective cover 9 is sleeved on the laser 2 for protecting the laser 2. The two sides of the laser 2 in the protective cover 9 are both provided with cooling fans 10, and the protective cover 9 is provided with a plurality of grid holes 901. The laser 2 can produce a large amount of heats during operation, dispels the heat through radiator fan 10 and can prevent that laser 2 high temperature from producing, avoids producing the damage, improves life.
In addition, still install light path dust cover 11 on bottom plate 1, light path dust cover 11 covers and establishes in the camera lens subassembly outside, and light path dust cover 11 upper end is connected with safety cover 9 lower extreme, can effectively reduce the dust and get into the optical path in and stain the camera lens subassembly. Wherein, windows 1101 are respectively arranged at the two sides of the optical path dust cover 11 corresponding to the beam combiner 3, the reflector 4 and the beam expander 5, and an optical path sealing plate 1102 is installed on the windows 1101. When the optical lens needs to be maintained, only the light path sealing plate 1102 needs to be detached, so that the operation is convenient and fast, and the maintenance is convenient.
Preferably, the bottom plate 1 is further provided with a dust exhaust pipe 13, one end of the dust exhaust pipe 13 extends to the lower part of the field lens 7, and the other end of the dust exhaust pipe 13 is connected with a fan device and used for forming negative pressure in the dust exhaust pipe 13 to generate suction force, so that suspended particles generated during marking are exhausted to achieve a dust removal effect.
Referring to fig. 3 again, a support 12 is installed on the camera 8, waist-shaped holes 1201 are formed in both ends of the support 12 and are fixedly installed on one side surface of the optical path dust cover 11 through screws, and the height of the camera 8 is adjusted by changing the fixing positions of the screws in the waist-shaped holes 1201, so that the focus of the camera is adjusted. A sensor 16 is further mounted on the bottom plate 1 at an end portion close to the camera 8 for detecting whether a product to be marked exists or not.
Therefore, according to the laser light path mechanism based on visual positioning, the lasers are arranged in the vertical direction, the emitted laser is emitted to the reflector through the beam combining mirror, the reflector reflects the laser in the vertical direction and then horizontally emits the laser to the beam expanding mirror and the vibrating mirror in sequence, and the laser is vertically emitted downwards through the field lens to mark a product, so that all parts are reasonable in layout, compact in structure, small in occupied space, capable of reducing the size of laser marking equipment and convenient to use; meanwhile, a light path dustproof cover which covers the outer side of the lens component is arranged, so that dust entering a light path is effectively reduced from polluting the lens component, a window is formed in the light path dustproof cover, a light path sealing plate is installed on the light path dustproof cover, maintenance can be carried out only by disassembling the light path sealing plate, and the operation is convenient and fast; and a dust extraction pipe is also arranged, so that suspended particles generated during marking can be extracted away, and the dust removal effect is achieved.
In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the present invention. The foregoing description is only a preferred embodiment of the utility model, which can be embodied in many different forms than described herein, and therefore the utility model is not limited to the specific embodiments disclosed above. And that those skilled in the art may, using the methods and techniques disclosed above, make numerous possible variations and modifications to the disclosed embodiments, or modify equivalents thereof, without departing from the scope of the claimed embodiments. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the scope of the technical solution of the present invention.
Claims (9)
1. A laser light path mechanism based on visual positioning, comprising: bottom plate (1) and setting are in laser (2), camera lens subassembly and visual positioning module on bottom plate (1), laser (2) are arranged along vertical direction, and its bottom is provided with the laser and jets out the mouth, the camera lens subassembly includes beam combining mirror (3), speculum (4), beam expanding mirror (5), galvanometer (6) and field lens (7), beam combining mirror (3) set up the below of laser jet out the mouth, speculum (4) set up the below of beam combining mirror (3), beam expanding mirror (5) with coaxial setting of galvanometer (6) is in one side of speculum (4), field lens (7) set up the below of galvanometer (6), the laser of laser (2) transmission by the laser jet out the mouth jets out the back, warp beam combining mirror (3) jets in on speculum (4), speculum (4) are in proper order with the level after the laser reflection of vertical direction in proper order beam expanding mirror (5) with the vision location module The galvanometer (6) is vertically and downwards irradiated on a product to be marked through the field lens (7); the visual positioning module is arranged on one side of the galvanometer (6) and used for identifying and determining the marking position of a product to be marked, the visual positioning module comprises a camera (8) and a light source assembly, the camera (8) is arranged along the vertical direction, and the light source assembly is arranged below a lens (801) of the camera (8).
2. The vision positioning-based laser optical path mechanism of claim 1, wherein: the laser device is characterized in that a protective cover (9) is sleeved on the laser device (2), a plurality of grid holes (901) are formed in the protective cover (9), and cooling fans (10) are arranged on two sides of the laser device (2) in the protective cover (9).
3. The vision positioning-based laser optical path mechanism of claim 1, wherein: install light path dust cover (11) on bottom plate (1), light path dust cover (11) cover is established the camera lens subassembly outside.
4. The vision positioning-based laser optical path mechanism of claim 3, wherein: windows (1101) are formed in the positions, corresponding to the beam combining mirror (3), the reflecting mirror (4) and the beam expanding mirror (5), of two sides of the light path dust cover (11), and light path sealing plates (1102) are installed on the windows (1101).
5. The vision positioning-based laser optical path mechanism of claim 3, wherein: the camera (8) is provided with a support (12), and two ends of the support (12) are provided with kidney-shaped holes (1201) and are fixedly arranged on one side face of the light path dust cover (11) through screws.
6. The vision positioning-based laser optical path mechanism of claim 1, wherein: install on bottom plate (1) and take out dirt pipe (13), the one end of taking out dirt pipe (13) extends to the below of field lens (7).
7. The vision positioning-based laser optical path mechanism of claim 1, wherein: the light source assembly comprises a coaxial light source (14) and an annular light source (15), wherein the annular light source (15) is arranged below the coaxial light source (14).
8. The vision positioning-based laser optical path mechanism of claim 1, wherein: and a sensor (16) for detecting whether a product exists is arranged on the bottom plate (1).
9. The vision positioning-based laser optical path mechanism of claim 1, wherein: the reflector (4) is provided with a reflector surface which is obliquely arranged at an angle of 45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122258689.6U CN215699019U (en) | 2021-09-17 | 2021-09-17 | Laser light path mechanism based on visual positioning |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122258689.6U CN215699019U (en) | 2021-09-17 | 2021-09-17 | Laser light path mechanism based on visual positioning |
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| CN215699019U true CN215699019U (en) | 2022-02-01 |
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| CN202122258689.6U Active CN215699019U (en) | 2021-09-17 | 2021-09-17 | Laser light path mechanism based on visual positioning |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114985964A (en) * | 2022-05-27 | 2022-09-02 | 深圳泰德激光技术股份有限公司 | Laser cutting equipment |
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2021
- 2021-09-17 CN CN202122258689.6U patent/CN215699019U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114985964A (en) * | 2022-05-27 | 2022-09-02 | 深圳泰德激光技术股份有限公司 | Laser cutting equipment |
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