CN113369682A - Light path system integration device for laser processing - Google Patents
Light path system integration device for laser processing Download PDFInfo
- Publication number
- CN113369682A CN113369682A CN202110715767.2A CN202110715767A CN113369682A CN 113369682 A CN113369682 A CN 113369682A CN 202110715767 A CN202110715767 A CN 202110715767A CN 113369682 A CN113369682 A CN 113369682A
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- China
- Prior art keywords
- lens
- lens barrel
- protective cylinder
- light
- light path
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Classifications
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- 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
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
-
- 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
Abstract
The invention relates to the technical field of laser processing, and discloses an optical path system integration device for laser processing, which comprises a protective cylinder, an air barrier lens barrel and an adjusting strut, wherein the protective cylinder is arranged on the protective cylinder; the light inlet end of the protective cylinder is connected with the laser emitting port, and the light outlet end of the protective cylinder is connected with the light inlet end of the gas barrier lens barrel; a lens is arranged in a light path channel in the gas barrier lens barrel and parallel to the cross section of the light path channel, and the center of the lens is positioned on the central connecting line of the cross section of the light path channel; the lens divides a light path channel in the air barrier lens barrel into two sections, and a compressed air pipe for connecting a compressed air system is communicated with one section of side wall close to the light outlet end of the air barrier lens barrel in a penetrating way; the light-emitting end of the air barrier lens barrel is provided with a necking, the area of the cross section of the necking is reduced along with the increase of the distance between the cross section and the lens, and the center of the cross section of the necking is positioned on the connecting line of the cross section of the light path channel of the air barrier lens barrel; the invention has the advantages of improving the processing debugging efficiency and ensuring the processing safety.
Description
Technical Field
The invention relates to the technical field of laser processing, in particular to an optical path system integration device for laser processing, which is used for reducing the debugging difficulty in laser processing, ensuring the processing safety and improving the laser efficiency.
Background
Laser shock peening is still in a preliminary application stage in China, and no mature optical path system integration device exists at present. Before laser processing, various lenses are often required to be arranged on a light path, and the distance, the concentricity, the straightness and the like between the lenses are adjusted according to the process requirements. Firstly, various lenses all depend on independent lens support manual work to carry out the definite position for a long time, because the debugging precision requires highly, the debugging process often consumes time and consumes labour. And secondly, no protective measures are taken in the light path, and laser cannot be identified by naked eyes, so that laser touch damage is easily caused. Thirdly, substances such as water mist, dust, metal dust and the like are dispersed in the light path, so that laser energy is lost and laser efficiency is reduced; if the adhesive is adhered to the gold, the lens is easy to crack, and the safety of life and property is threatened.
The invention provides a technical scheme that: an optical system integrated device for laser processing has the functions of preventing laser hazard, meeting the rapid debugging requirements of lens collocation with different focal lengths and prolonging the service life of the lens.
Disclosure of Invention
The invention aims to provide an optical path system integration device for laser processing, which has the functions of quickly debugging lenses with different focal lengths, preventing laser damage and prolonging the service life of the lenses, and achieves the effects of improving processing debugging efficiency and ensuring processing safety.
The invention is realized by the following technical scheme:
an optical path system integration device for laser processing is arranged at the end of a laser emitting port and comprises a protective cylinder, an air barrier lens barrel and an adjusting strut for supporting and adjusting the protective cylinder and the air barrier lens barrel; the laser emission port end is connected with the light inlet end of the protection cylinder, the light outlet end of the protection cylinder is connected with the light inlet end of the gas barrier lens barrel, and the light outlet end of the gas barrier lens barrel is provided with a necking; the light path channels of the protection cylinder, the gas barrier lens barrel and the necking are parallel and the central lines of the light path channels are collinear; a lens is arranged in the gas barrier lens barrel, the lens is positioned on the cross section of the light path channel, and the center of the lens is superposed with the center line of the light path channel; the side wall of the gas barrier lens barrel is provided with a through pipeline connecting port, and the pipeline connecting port is positioned between the lens and the necking; the air barrier lens barrel is externally connected with a compressed air system through a compressed air pipe of which one end is communicated with the pipeline connecting port.
In order to better realize the invention, a sliding cover plate capable of being opened and closed in a sliding manner is further arranged on the air barrier lens barrel, so that the lenses can be placed in the sliding cover plate, the lenses comprise a first lens and a second lens, the position of the first lens is fixed, the second lens can move along the central connecting line of the cross section of the optical path channel of the air barrier lens barrel, and the distance between the second lens and the first lens is 5cm-20 cm.
In order to better realize the invention, further, the protective cylinder is also provided with an electric gate; the electric gate is detachably provided with a baffle, and when the electric gate drives the baffle to be opened, a light path channel of the protective cylinder is unblocked; when the electric gate drives the baffle to be closed, the light path channel of the protective cylinder is cut off.
In order to better implement the invention, further, the baffle plate material is white polyethylene foam, and the thickness of the baffle plate material is more than 2 cm.
To better implement the invention, further, the device further comprises a moving frame mounted on the adjustment column; the movable lens is arranged on the movable lens frame and located between the light outlet end of the protective cylinder and the light inlet end of the air barrier lens barrel, and the center of the movable lens is located on a straight line where a central connecting line of the cross section of the light path channel of the protective cylinder is located.
In order to better implement the present invention, further, the number of the movable lenses is 2 or more.
In order to better implement the present invention, further, the adjusting column includes a magnetic base and a telescopic rod vertically installed on the magnetic base, and the telescopic rod can rotate along its own circumference and adjust the vertical height.
In order to better realize the invention, the inner walls of the protective cylinder and the air barrier lens barrel are respectively provided with a layer of lining, the lining is made of white polyethylene foam, and the thickness of the lining is more than 1 cm.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) the optical path system integration device for laser processing provided by the invention forms a totally-enclosed or semi-enclosed optical path, has the effect of physically purifying the optical path, reduces the laser energy loss of water mist, dust and metal powder, and ensures the laser efficiency;
(2) according to the invention, compressed air is introduced into the inner cavity of the air barrier lens barrel through the compressed air pipe, positive pressure is formed at the tail section of the inner cavity of the lens barrel, and the light outlet end of the air barrier lens barrel is a throat communicated with the tail section of the inner cavity of the lens barrel and the external space, so that water mist and dust can be effectively prevented from flowing backwards, and an air shielding effect is achieved;
(3) the lens in the gas barrier lens barrel has good concentricity and straightness, and does not need manual adjustment;
(4) the electric gate and the baffle are arranged, so that in case of emergency, the electric gate can control the baffle to cut off a light path at any time, and the laser is prevented from damaging the surface to be strengthened;
(5) the lining is made of white polyethylene foam cotton, so that laser can be effectively scattered, and the device damage caused by the fact that the laser directly irradiates the cylinder wall is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale. All of the inventive innovations herein should be considered in the disclosure and the scope of the present invention.
FIG. 1 is a schematic structural diagram of an optical system integrated device for laser processing according to the present invention;
FIG. 2 is a schematic view of the present invention with a movable frame;
FIG. 3 is a schematic view of the structure of the protective cylinder with liner and the air barrier lens barrel of the present invention;
FIG. 4 is a schematic cross-sectional view of the gas barrier lens barrel according to the present invention;
FIG. 5 is a schematic view of the structure of the air barrier lens barrel and the sliding cover plate according to the present invention;
fig. 6 is a schematic structural view of the adjusting strut of the present invention.
Wherein: 1. a protective cylinder; 11. An electric gate; 112. a baffle plate; 2. a gas barrier lens barrel; 21. A lens; 211. a first lens; 212. a second lens; 22. a compressed air pipe; 23. Necking; 24. a sliding cover plate; 3. adjusting the strut; 31. A magnetic base; 32. a telescopic rod; 4. moving the mirror frame; 41. moving the lens; 5. and (4) lining.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
an optical system integrated device for laser processing of this embodiment, as shown in fig. 1-5, is installed at a laser emitting port end, and is characterized in that: the device comprises a protective cylinder 1, a gas barrier lens barrel 2 and an adjusting strut 3 for supporting and adjusting the protective cylinder 1 and the gas barrier lens barrel 2; the laser emission port end is connected with the light inlet end of the protection barrel 1, the light outlet end of the protection barrel 1 is connected with the light inlet end of the gas barrier lens barrel 2, and the light outlet end of the gas barrier lens barrel 2 is provided with a necking 23; the light path channels of the protective cylinder 1, the gas barrier lens barrel 2 and the necking 23 are parallel and the central lines of the light path channels are collinear; a lens 21 is arranged in the gas barrier lens barrel 2, the lens 21 is positioned on the cross section of the light path channel, and the center of the lens 21 is superposed with the center line of the light path channel; a through pipeline connecting port is arranged on the side wall of the gas barrier lens barrel 2 and is positioned between the lens 21 and the necking 23; the air barrier lens barrel 2 is externally connected with a compressed air system through a compressed air pipe 22, one end of which is communicated with the pipeline connecting port.
In the embodiment, the device forms a totally-enclosed or semi-enclosed light path, so that the effect of physically purifying the light path is achieved, the laser energy loss caused by water mist, dust and metal powder is reduced, and the laser efficiency is guaranteed; compressed air is introduced into the inner cavity of the air barrier lens barrel 2 through a compressed air pipe 22, positive pressure is formed at the tail section of the inner cavity of the air barrier lens barrel 2, and the light outlet end of the air barrier lens barrel 2 is a throat 23 for communicating the tail section of the inner cavity of the lens barrel with the external space, so that water mist, dust, metal powder and the like can be effectively prevented from flowing backwards, and an air shielding effect is achieved; the lenses in the gas barrier lens barrel 2 have good concentricity and straightness, and do not need manual adjustment;
example 2:
the present embodiment is further optimized based on embodiment 1, as shown in fig. 4 and 5, a sliding cover 24 capable of sliding to open and close so as to put in a lens 21 is disposed on the air barrier lens barrel 2, the lens 21 includes a first lens 211 and a second lens 212, the first lens 211 is fixed in position, the second lens 212 is movable along a central line of a cross section of an optical path channel of the air barrier lens barrel 2, and a distance between the second lens 212 and the first lens 211 is 5cm-20 cm. During the use, can adjust the distance of first lens 211 and second lens 212 as required, reach the effect of adjustment focal length to the realization is to laser action scope and the regulation of laser intensity in the unit area.
As shown in fig. 1-3, the protective cylinder 1 is further provided with an electric gate 11; the electric gate 11 is detachably provided with a baffle 112, and when the electric gate 11 drives the baffle 112 to open, the light path channel of the protective cylinder 1 is unblocked; when the electric gate 11 drives the baffle 112 to close, the optical path channel of the protective cylinder 1 is cut off. In an emergency, the electric gate 11 can be used for driving the baffle 112 to close, so that the damage caused by the excessive irradiation of the laser to the surface of the workpiece to be processed is avoided, and a good protection effect is achieved.
As shown in fig. 2 and 3, the device further comprises a moving frame 4 mounted on the adjustment column 3; the movable lens frame 4 is provided with a movable lens 41, the movable lens 41 is located between the light outlet end of the protective cylinder 1 and the light inlet end of the air barrier lens barrel 2, and the center of the movable lens 41 is located on a straight line on which a central line of the cross section of the light path channel of the protective cylinder 1 is located. The number of the movable lenses 41 is 2 or more. The movable lens 41 with large focal length can be selected according to actual conditions or the use requirements of multiple movable lens 41 groups can be met.
As shown in fig. 6, the adjusting column 3 includes a magnetic base 31 and a telescopic rod 32 vertically mounted on the magnetic base 31, and the telescopic rod 32 can rotate along its own circumference and adjust its vertical height. The adjusting support 3 is placed on the surface of a metal workbench, the magnetic base 31 with magnetic force can be conveniently fixed at a determined position of the metal workbench and prevented from sliding, and meanwhile, the adjusting support is convenient to detach after being used; the telescopic rod 32 can meet the requirements of angle and height adjustment of the movable lens 41, the protective cylinder 1 or the gas barrier lens barrel 2 in actual use.
Other parts of this embodiment are the same as embodiment 1, and thus are not described again.
Example 3:
in this embodiment, further optimization is performed on the basis of embodiment 2, as shown in fig. 3, the inner walls of the protective barrel 1 and the air barrier lens barrel 2 are both provided with a layer of lining 5, and the lining 5 is made of white polyethylene foam, and the thickness of the lining 5 is greater than 1 cm. The white polyethylene foam has a good scattering effect on laser, can prevent the laser from being gathered on the inner wall of the protective barrel 1 or the gas barrier lens barrel 2, and prevents the device from being damaged by high-energy laser.
The baffle 112 of this embodiment is made of white polyethylene foam, and the thickness thereof is greater than 2 cm. White polyethylene foam is used as the material of baffle 112, plays good scattering effect to laser, and thickness is greater than 2cm, avoids high energy laser energy to gather a bit later and just punctures baffle 112 in the short time, also because of its good scattering effect simultaneously, can directly not cause the damage with laser refraction to the device inner wall.
Other parts of this embodiment are the same as embodiment 2, and thus are not described again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (8)
1. The utility model provides an optical path system integrated device for laser beam machining installs and launches the mouth end at the laser, its characterized in that: comprises a protective cylinder (1), a gas barrier lens barrel (2) and an adjusting strut (3) for supporting and adjusting the protective cylinder (1) and the gas barrier lens barrel (2); the laser emitting port end is connected with the light inlet end of the protective cylinder (1), the light outlet end of the protective cylinder (1) is connected with the light inlet end of the air barrier lens barrel (2), and the light outlet end of the air barrier lens barrel (2) is provided with a necking opening (23); the light path channels of the protective cylinder (1), the air barrier lens barrel (2) and the necking (23) are parallel and the central lines of the light path channels are collinear; a lens (21) is arranged in the gas barrier lens barrel (2), the lens (21) is positioned on the cross section of the light path channel, and the center of the lens (21) is superposed with the central line of the light path channel; a through pipeline connecting port is arranged on the side wall of the gas barrier lens barrel (2), and the pipeline connecting port is positioned between the lens (21) and the necking (23); the air barrier lens barrel (2) is externally connected with a compressed air system through a compressed air pipe (22) with one end communicated with the pipeline connecting port.
2. An optical path system integration apparatus for laser processing according to claim 1, wherein: the air barrier lens barrel (2) is provided with a sliding cover plate (24) capable of being opened and closed in a sliding mode so as to be convenient for putting in the lens (21), the lens (21) comprises a first lens (211) and a second lens (212), the first lens (211) is fixed in position, the second lens (212) can move along the central connecting line of the cross section of the light path channel of the air barrier lens barrel (2), and the distance between the second lens (212) and the first lens (211) is 5cm-20 cm.
3. An optical path system integration apparatus for laser processing according to claim 1, wherein: the protective cylinder (1) is also provided with an electric gate (11); the electric gate (11) is detachably provided with a baffle (112), and when the electric gate (11) drives the baffle (112) to open, a light path channel of the protective cylinder (1) is smooth; when the electric gate (11) drives the baffle (112) to close, the light path channel of the protective cylinder (1) is cut off.
4. An optical path system integration apparatus for laser processing according to claim 3, wherein: the baffle (112) is made of white polyethylene foam, and the thickness of the baffle is more than 2 cm.
5. An optical path system integration apparatus for laser processing according to claim 1, wherein: the device also comprises a movable frame (4) mounted on the adjusting column (3); the movable lens frame (4) is provided with a movable lens (41), the movable lens (41) is located between the light outlet end of the protective cylinder (1) and the light inlet end of the air barrier lens barrel (2), and the center of the movable lens (41) is located on a straight line where a central connecting line of the cross section of the light path channel of the protective cylinder (1) is located.
6. An optical path system integration apparatus for laser processing according to claim 5, wherein: the number of the movable lenses (41) is 2 or more.
7. An optical path system integration apparatus for laser processing according to any one of claims 1 to 6, wherein: the adjusting support column (3) comprises a magnetic base (31) and an expansion rod (32) vertically installed on the magnetic base (31), and the expansion rod (32) can rotate in the circumferential direction of the expansion rod and adjust the vertical height.
8. An optical path system integration apparatus for laser processing according to any one of claims 1 to 6, wherein: the inner walls of the protective barrel (1) and the air barrier lens barrel (2) are respectively provided with a layer of lining (5), the lining (5) is made of white polyethylene foam cotton, and the thickness of the lining is larger than 1 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110715767.2A CN113369682A (en) | 2021-06-28 | 2021-06-28 | Light path system integration device for laser processing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110715767.2A CN113369682A (en) | 2021-06-28 | 2021-06-28 | Light path system integration device for laser processing |
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| CN113369682A true CN113369682A (en) | 2021-09-10 |
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| CN202110715767.2A Pending CN113369682A (en) | 2021-06-28 | 2021-06-28 | Light path system integration device for laser processing |
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Application publication date: 20210910 |