CN214108137U - Protection type laser cleaning head - Google Patents
Protection type laser cleaning head Download PDFInfo
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- CN214108137U CN214108137U CN202022741008.7U CN202022741008U CN214108137U CN 214108137 U CN214108137 U CN 214108137U CN 202022741008 U CN202022741008 U CN 202022741008U CN 214108137 U CN214108137 U CN 214108137U
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Abstract
The utility model provides a protection type laser cleaning head, it includes the casing, be provided with interconnect's laser collimator and laser mirror that shakes in the casing, the casing lateral wall is provided with outside casing, outside casing is just to the laser mirror that shakes, install the laser field lens in the outside casing, the light-emitting side fixed mounting of laser field lens has the protective glass, the open end of outside casing is provided with upper barrel holder and lower barrel holder along laser field lens optical axis direction in order, upper barrel holder and lower barrel holder axial lead department all are provided with the through hole, the outer terminal surface of upper barrel holder encloses with the interior terminal surface of lower barrel holder and closes annular cavity, be provided with the air outlet channel who is linked together with the through hole on the annular cavity lateral wall, air outlet channel is the slope setting, and barrel holder export direction slope down, be provided with at least one air inlet joint who is linked together with annular cavity on the upper barrel holder outer peripheral face. The utility model discloses can blow away the dust before the protective glass, avoid the dust gathering on the protective glass surface, laser irradiation is heated and is burnt the protective glass, plays the effect of protection inner assembly.
Description
Technical Field
The utility model relates to a laser cleaning technical field especially relates to a protection type laser cleaning head.
Background
The laser cleaning is a novel cleaning technology in recent years, high-energy laser beams are utilized to irradiate the surface of a workpiece, so that dirt, rusty spots or a coating on the surface are instantaneously evaporated or peeled, attachments or surface coatings on the surface of the workpiece are effectively removed, and the laser cleaning is widely applied to the industries of aerospace, ships, automobiles, production and processing, tire rubber and plastic and the like.
In the cleaning operation process of the existing laser cleaning head, although any chemical agent and cleaning agent are not needed, the waste materials cleaned from the surface of a workpiece are basically solid powder, the powder is suspended around the laser cleaning head and easily enters the laser cleaning head and is gathered on the surface of a protective lens, and the protective lens is easily burnt after laser irradiation is heated, so that the laser cleaning operation is influenced. At the present stage, the laser cleaning head that the market has dust safeguard function mostly adopts and increases the air knife in the cleaning head outside, and the air knife blows away the dust that produces among the cleaning process from the cleaning head side, but there is the dead angle in this kind of protection mode, and inside unable omnidirectional avoiding the dust entering cleaning head, still can have the protective glass to receive dust pollution, the problem of being heated the damage.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a protection type laser cleaning head can all-roundly avoid the dust after the washing to get into the inside protective glass surface that gathers of laser cleaning head, causes the protective glass to be heated and damages to the protection of realization protective glass.
The technical scheme of the utility model is realized like this: the utility model provides a protective laser cleaning head, which comprises a casing, a laser collimator and a laser galvanometer which are connected with each other are arranged in the casing, the protective laser cleaning head also comprises an outer casing which is fixedly arranged on the outer side wall of the casing, the outer casing is just opposite to the laser galvanometer, a laser field lens which is connected with the laser galvanometer is arranged in the outer casing, a protective lens is fixedly arranged on the light emitting side of the laser field lens, the open end of the outer casing is provided with an upper barrel seat and a lower barrel seat in sequence along the optical axis direction of the laser field lens, the axial lines of the upper barrel seat and the lower barrel seat are provided with through holes, the outer end surface of the upper barrel seat and the inner end surface of the lower barrel seat enclose an annular cavity, the side wall of the annular cavity is provided with a gas outlet channel which is communicated with the through holes, the gas outlet channel is inclined and is inclined towards the outlet direction of the lower barrel seat, the outer peripheral surface of the upper barrel seat is provided with at least one gas inlet joint which is communicated with the annular cavity, the air inlet joint is used for connecting an air source.
On the basis of the technical scheme, preferably, an annular groove is formed in the outer end face of the upper barrel seat, the air inlet connector is arranged on the outer peripheral face of the upper barrel seat and communicated with the annular groove, the inner end face of the lower barrel seat and the annular groove are enclosed to form the annular cavity, a first annular convex rib is arranged between the through hole where the upper barrel seat is located and the annular groove, a second annular convex rib aligned with the first annular convex rib is arranged on the inner end face of the through hole where the lower barrel seat is located, and a gap for forming the air outlet channel is formed between the first annular convex rib and the second annular convex rib.
Further, preferably, an air guide member is further arranged on the outer end face of the lower cylinder seat, the air guide member comprises a disc-shaped base and a guide cylinder, the disc-shaped base is fixed at an outlet of the outer end face of the lower cylinder seat, and the guide cylinder is fixed on the outer end face of the disc-shaped base and is communicated with the tube through hole of the lower cylinder seat.
Further, preferably, the guide shell is duckbilled.
Preferably, a first sealing element is further arranged between the disc-shaped base and the outer end face of the lower barrel base.
Preferably, a second sealing element is arranged between the outer end face of the upper cylinder seat and the inner end face of the lower cylinder seat.
Preferably, a third sealing element is arranged between the opening end of the outer shell and the inner end surface of the upper cylinder base.
Preferably, the casing is provided with an optical fiber connector connected with the laser collimator.
The utility model discloses following beneficial effect has for prior art:
(1) the utility model discloses a protection type laser cleaning head, through setting up the air inlet joint on last stack shell seat outer peripheral face, let in gas in to the ring cavity through connecting the air supply, gas flows through the air outlet channel that the slope set up in the ring cavity, form high impact force, and form fan-shaped guard air current along lower stack shell seat outlet end direction, the flow direction of guard air current is coaxial with the emergent ray of laser field lens, thereby the messenger can blow away the dust before the guard lens, avoid the dust gathering on the guard lens surface, laser irradiation is heated and burns out the guard lens, play the effect of protection inner assembly.
(2) The gas guide piece is arranged on the outer end face of the lower cylinder seat, so that fan-shaped protection gas flow is blown out from the duckbilled guide cylinder to form a gas curtain, the blown gas is uniform, the inner space of the guide cylinder is guaranteed to be in a positive pressure state, and dust is prevented from entering the pollution protection lens.
(3) Through setting up first sealing member, second sealing member and third sealing member, avoid the dust to get into from each part clearance, improve whole laser cleaning head sealing performance.
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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a protective laser cleaning head of the present invention;
fig. 2 is an exploded schematic view of the protective laser cleaning head disclosed in the present invention;
fig. 3 is a schematic plan view of the protective laser cleaning head of the present invention;
fig. 4 is a partially enlarged view of a portion a in fig. 3.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1, combine fig. 2-4, the embodiment of the utility model discloses a protection type laser cleaning head, including casing 1, be provided with interconnect's laser collimator 2 and laser galvanometer 3 in the casing 1, still including fixed outside casing 4 that sets up at casing 1 lateral wall, outside casing 4 is just to laser galvanometer 3, installs the laser field lens 5 that is connected with laser galvanometer 3 in the outside casing 4. Under the structural arrangement, the laser collimator 2 is used for receiving laser beams through optical fibers and changing divergent light paths into parallel light paths, the laser galvanometer 3 is used for controlling the deflection of the parallel light paths on an X-Y plane, and the laser field lens 5 is used for focusing the deflected parallel laser beams to obtain laser spots meeting cleaning conditions.
The light-emitting side of the laser field lens 5 is fixedly provided with a protective lens 51, and the protective lens 51 is used for protecting the focusing lens inside the laser field lens 5 and preventing the focusing lens from being polluted or damaged.
Because of the laser cleaning head is carrying out the workpiece surface when wasing, the waste material that workpiece surface washs and gets off produces the dust easily, and inside the dust can enter into the cleaning head, causes the pollution to the protective glass 51 piece, consequently, the embodiment of the utility model provides a some solutions:
an upper barrel seat 6 and a lower barrel seat 7 are sequentially arranged at the opening end of the outer shell 4 along the direction of an optical axis of the laser field lens 5, through holes 60 are formed in the axial lead of the upper barrel seat 6 and the axial lead of the lower barrel seat 7, emergent light of the laser field lens 5 is sequentially emitted along the through holes 60 of the upper barrel seat 6 and the lower barrel seat 7, an annular cavity 8 is enclosed between the outer end face of the upper barrel seat 6 and the inner end face of the lower barrel seat, an air outlet channel 81 communicated with the through holes 60 is arranged on the side wall of the annular cavity 8, the air outlet channel 81 is obliquely arranged and is inclined towards the outlet direction of the lower barrel seat 7, at least one air inlet joint 61 communicated with the annular cavity 8 is arranged on the outer peripheral face of the upper barrel seat 6, and the air inlet joint 61 is used for being connected with an air source.
Adopt above-mentioned technical scheme, through setting up air inlet joint 61 on last stack base outer peripheral face, let in gas in to toroidal cavity 8 through connecting the air supply, gas flows through the air outlet channel 81 that the slope set up in toroidal cavity 8, form high impact force, and form fan-shaped guard flow along lower 7 exit end directions of stack base, the flow direction of guard flow is coaxial with laser field lens 5's emergent ray, thereby the messenger can blow away the dust before the protective glass 51 at laser cleaning's in-process, avoid the dust gathering on protective glass 51 surface, laser irradiation is heated and burns protective glass 51, play the effect of protection inner assembly.
Specifically, the utility model discloses still realize through following technical scheme.
In this embodiment, an annular groove 62 is disposed at an outer end surface of the upper barrel seat 6, the air inlet joint 61 is disposed on an outer peripheral surface of the upper barrel seat and communicated with the annular groove 62, an inner end surface of the lower barrel seat 7 and the annular groove 62 enclose to form the annular cavity 8, a first annular convex rib 63 is disposed between the through hole 60 where the upper barrel seat 6 is located and the annular groove 62, a second annular convex rib 71 aligned with the first annular convex rib 63 is disposed on the inner end surface of the through hole 60 where the lower barrel seat 7 is located, and a gap forming the air outlet channel 81 is disposed between the first annular convex rib 63 and the second annular convex rib 71.
By adopting the technical scheme, the annular groove 62 is arranged at the outer end surface of the upper barrel seat 6, the annular cavity 8 is formed by enclosing the inner end surface of the lower barrel seat 7 and the annular groove 62, so that the upper barrel seat 6 and the lower barrel seat 77 are convenient to disassemble and assemble, the annular cavity 8 capable of storing airflow is formed, the first annular convex rib 63 on the upper barrel seat 6 is matched with the second annular convex rib 71 on the lower barrel seat 77, and a certain inclined gap is reserved between the first annular convex rib and the second annular convex rib, so that the air outlet channel 81 is formed, therefore, the air is connected with an air source through the air inlet connector 61 and introduced into the annular cavity 8, the air flows in the annular cavity 8 and flows out through the air outlet channel 81 arranged in a gap to form high impact force, meanwhile, the air outlet channel 81 inclines towards the outlet direction of the lower barrel seat 77, therefore, the airflow flowing out of the air outlet channel 81 is in a fan shape and is coaxial with the emergent light of the laser field lens 5, thereby enabling dust in front of the protective mirror 51 to be blown away during laser cleaning.
In the embodiment, two air inlet joints 61 are provided, the air inlet joints 61 are uniformly distributed on the upper barrel seat at 180 degrees, and the air inlet joints 61 can be connected with an air pump. In this way, a greater impact force can be created on the gas flow entering the annular cavity 8. Of course, in this embodiment, a plurality of air inlet joints 61 may also be adopted, and the present invention is not limited thereto.
In some preferred embodiments, the outer end surface of the lower cylindrical seat 7 is further provided with a gas guiding member 9, the gas guiding member 9 includes a disk-shaped base 91 and a guiding cylinder 92, the disk-shaped base 91 is fixed at an outlet of the outer end surface of the lower cylindrical seat 7, and the guiding cylinder 92 is fixed at the outer end surface of the disk-shaped base 91 and is communicated with the tube through hole of the lower cylindrical seat 7. In this embodiment, the pod 92 is duckbilled. Adopt above-mentioned technical scheme, can carry out the shutoff to lower bobbin base 7 exit end through disk type base 91 to make draft tube 92 as the air current circulation passageway, the protection air current of sector-shaped blows off from duckbilled form draft tube 92 and forms the gas curtain, and the gas that blows off is even, guarantees that draft tube 92 inner space is in the malleation state, prevents that the dust from getting into pollution protective glass 51 head.
As some optional embodiments, a first sealing member 10 is further disposed between the disc-shaped seat 91 and the outer end face of the lower cylinder seat 7; a second sealing element 11 is arranged between the outer end surface of the upper cylinder seat 6 and the inner end surface of the lower cylinder seat 7; a third sealing element 12 is arranged between the open end of the outer casing 4 and the inner end surface of the upper cylinder base. By the arrangement, dust can be prevented from entering from the gap at the joint of each part, and the sealing performance of the whole laser cleaning head is improved.
In this embodiment, the housing 1 is provided with an optical fiber connector 11 connected to the laser collimator 2. Through the fiber connection 11, the laser light source can be transmitted into the laser collimator 2 through the fiber connection 11.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a protection type laser cleaning head, its includes casing (1), is provided with interconnect's laser collimator (2) and laser galvanometer (3) in casing (1), its characterized in that: the laser vibration mirror is characterized by further comprising an external shell (4) fixedly arranged on the outer side wall of the machine shell (1), the external shell (4) is right opposite to the laser vibration mirror (3), a laser field lens (5) connected with the laser vibration mirror (3) is installed in the external shell (4), a protective lens (51) is fixedly installed on the light emitting side of the laser field lens (5), an upper barrel seat (6) and a lower barrel seat (7) are sequentially arranged at the open end of the external shell (4) along the direction of the optical axis of the laser field lens (5), through holes (60) are formed in the axial line of the upper barrel seat (6) and the axial line of the lower barrel seat (7), an annular cavity (8) is enclosed by the outer end face of the upper barrel seat (6) and the inner end face of the lower barrel seat (7), an air outlet channel (81) communicated with the through holes (60) is arranged on the side wall of the annular cavity (8), and the air outlet channel (81) is obliquely arranged, and the air inlet joint is inclined towards the outlet direction of the lower barrel seat (7), at least one air inlet joint (61) communicated with the annular cavity (8) is arranged on the peripheral surface of the upper barrel seat (6), and the air inlet joint (61) is used for connecting an air source.
2. A protective laser cleaning head according to claim 1, wherein: go up the outer terminal surface department of barrel holder (6) and be provided with annular groove (62), air inlet joint (61) set up on last barrel holder (6) outer peripheral face and with annular groove (62) are linked together, the interior terminal surface and the annular groove (62) of barrel holder (7) enclose to close and form down toroidal cavity (8), be provided with first annular protruding muscle (63) between through hole (60) and annular groove (62) at last barrel holder (6) place, be provided with second annular protruding muscle (71) that align with first annular protruding muscle (63) on through hole (60) the interior terminal surface at lower barrel holder (7) place, be provided with between first annular protruding muscle (63) and second annular protruding muscle (71) and form the gap of air outlet channel (81).
3. A protective laser cleaning head according to claim 2, wherein: the outer end face of the lower barrel seat (7) is further provided with a gas flow guide piece (9), the gas flow guide piece (9) comprises a disc-shaped base (91) and a flow guide cylinder (92), the disc-shaped base (91) is fixed at an outlet of the outer end face of the lower barrel seat (7), and the flow guide cylinder (92) is fixed on the outer end face of the disc-shaped base (91) and is communicated with a pipe perforation of the lower barrel seat (7).
4. A protective laser cleaning head according to claim 3, wherein: the guide shell (92) is in a duckbill shape.
5. A protective laser cleaning head according to claim 3, wherein: and a first sealing element (10) is also arranged between the disc-shaped base (91) and the outer end surface of the lower cylinder seat (7).
6. A protective laser cleaning head according to claim 1, wherein: and a second sealing element (11) is arranged between the outer end surface of the upper cylinder seat (6) and the inner end surface of the lower cylinder seat (7).
7. A protective laser cleaning head according to claim 1, wherein: and a third sealing piece (12) is arranged between the opening end of the outer shell (4) and the inner end surface of the upper cylinder seat (6).
8. A protective laser cleaning head according to claim 1, wherein: and an optical fiber joint (14) connected with the laser collimator (2) is arranged on the machine shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022741008.7U CN214108137U (en) | 2020-11-24 | 2020-11-24 | Protection type laser cleaning head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022741008.7U CN214108137U (en) | 2020-11-24 | 2020-11-24 | Protection type laser cleaning head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214108137U true CN214108137U (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022741008.7U Active CN214108137U (en) | 2020-11-24 | 2020-11-24 | Protection type laser cleaning head |
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| Country | Link |
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| CN (1) | CN214108137U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113634911A (en) * | 2021-10-15 | 2021-11-12 | 苏州市瑞思特智能制造有限公司 | Laser marking system, marking method and batch detection method for metallurgical plates |
| CN115041470A (en) * | 2022-06-29 | 2022-09-13 | 成都迈锐捷激光技术有限公司 | Remote laser cleaning and derusting equipment for transformer substation |
-
2020
- 2020-11-24 CN CN202022741008.7U patent/CN214108137U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113634911A (en) * | 2021-10-15 | 2021-11-12 | 苏州市瑞思特智能制造有限公司 | Laser marking system, marking method and batch detection method for metallurgical plates |
| CN113634911B (en) * | 2021-10-15 | 2022-01-04 | 苏州市瑞思特智能制造有限公司 | Laser marking system, marking method and batch detection method for metallurgical plates |
| CN115041470A (en) * | 2022-06-29 | 2022-09-13 | 成都迈锐捷激光技术有限公司 | Remote laser cleaning and derusting equipment for transformer substation |
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