CN106271064A - Improve the auxiliary device of Laser Processing ability and improve method - Google Patents

Improve the auxiliary device of Laser Processing ability and improve method Download PDF

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Publication number
CN106271064A
CN106271064A CN201510290656.6A CN201510290656A CN106271064A CN 106271064 A CN106271064 A CN 106271064A CN 201510290656 A CN201510290656 A CN 201510290656A CN 106271064 A CN106271064 A CN 106271064A
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China
Prior art keywords
laser
negative pressure
spout
processing
head
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CN201510290656.6A
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Chinese (zh)
Inventor
张天润
张文武
王斌
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Ningbo Institute of Material Technology and Engineering of CAS
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Ningbo Institute of Material Technology and Engineering of CAS
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Priority to CN201510290656.6A priority Critical patent/CN106271064A/en
Publication of CN106271064A publication Critical patent/CN106271064A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/16Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36Removing material

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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 belongs to technical field of laser processing, especially relate to a kind of auxiliary device improving Laser Processing ability and raising method.It solve prior art and cannot discharge the problem such as processing waste and damage focus lamp in time.The auxiliary device of this raising Laser Processing ability includes the secondary process head having laser through passage, laser is laser beam entrance port through one end of passage, the other end is laser beam exit wound of bullet, secondary process head is provided with and is positioned at laser and through the laser beam entrance port end of passage and is able to receive that the laser optical unit that laser beam is incident, secondary process head is provided with and compound is discharged to mechanism.Raising method includes: the processing waste in A, tap or groove;B, it is sucked away from processing waste.It is an advantage of the current invention that: in time processing waste can be discharged and be avoided that processing waste damages focus lamp.

Description

Improve the auxiliary device of Laser Processing ability and improve method
Technical field
The invention belongs to technical field of laser processing, especially relate to a kind of laser that improves and add The auxiliary device of work ability and raising method.
Background technology
Laser Processing is a kind of contactless processing method being widely used.It is typically Low intensity parallel laser energy is focused into by condenser lens the high intensity energy of very small diameter Amount field, acts on workpiece, by workpiece heat, fusing, or directly distils, thus reaches Purpose is processed to deform, harden, weld, cut, punch or mark etc..One complete Whole laser-processing system includes laser instrument, optic path unit, laser Machining head, fortune Move and control system and other aid systems.Along with the development of laser technology, laser adds Speed and the quality of work constantly improve, but laser is also met in the actual course of processing simultaneously Some problems are arrived.Such as, when laser boring and microfabrication, due to laser energy Act on work piece surface so that work piece be stripped matrix, formed the thinnest Little granule.Tiny granule Laser Processing moment produce Impulse under with necessarily Speed upwardly away from matrix, can fall the most again.When hole or groove When the degree of depth reaches certain threshold value, the initial velocity that laser momentum produces is not enough so that fine particle Overcoming action of gravity ejection aperture or groove, these granules will be deposited in hole or groove, be connect down The pulse laser reprocessabilty come.So the laser energy that practical function is on workpiece substrate To be substantially reduced, in this case, the efficiency of Laser Processing can decline to a great extent, and then Limit the working depth of hole and groove.
It addition, the splash that Laser Processing produces has the biggest breaking to the eyeglass of focusing system Bad effect.The way that traditional means is used at present is to increase by one after laser optical unit The protective gas (coaxial interpolation protects gas) of individual malleation, or add one at laser head side The protective gas of individual lateral malleation.Both approaches has they self problem, coaxially The method adding protection gas is to have added an air-flow blown downwards, this gas below eyeglass The downward thrust of miscarriage life is same direction with gravity, so makes pulsed laser energy Act on matrix produce moment momentum to the active force of granule will less than or equal to gravity in Airflow thrust sum, is not damaged by although so solving eyeglass, be unfavorable for granule from Hole or groove are discharged, and reduce working (machining) efficiency and working depth the most to a certain extent.Laterally Although the method adding protection gas can play in time by particulate matter tap in one direction or Groove, but just seem unable to do what one wishes during to micropore, deep hole and the situation such as microflute, deep trouth.
Therefore to protection laser optical unit is from flue dust and the damage of splash, in time The dust being deposited in hole or groove and nano-particle are discharged to greatest extent so that laser Energy can act on the surface of work piece always, reduces because dust accumulation is at hole or groove In can not discharge in time and affect the degree of depth and the quality of laser boring, it is necessary to propose one The obvious method and apparatus of practical, effect, thus be greatly improved laser punching or The degree of depth of groove, working (machining) efficiency, break through the limitation of the laser boring degree of depth.
Summary of the invention
It is an object of the invention to for the problems referred to above, it is provided that a kind of design is more reasonable, can improve The auxiliary dress of the Laser Processing ability that improves of the punching degree of depth and working (machining) efficiency and length in service life Put.
Another object of the present invention is for the problems referred to above, it is provided that a kind of method is simple And the auxiliary device improving Laser Processing ability of the punching degree of depth and working (machining) efficiency can be improved.
For reaching above-mentioned purpose, present invention employs following technical proposal: this raising laser The auxiliary device of working ability includes the secondary process head having laser through passage, laser Being laser beam entrance port through one end of passage, the other end is laser beam exit wound of bullet, auxiliary Help processing head to be provided with to be positioned at laser and through the laser beam entrance port end of passage and be able to receive that The laser optical unit that laser beam is incident, when laser beam can be after laser optical unit Process at least one hole or groove on workpiece, secondary process head is provided with and can will add in real time The processing waste being trapped in hole or groove during work discharges and forces processing waste remote From laser optical unit thus described processing waste is sucked away to laser outside passage Compound it is discharged to mechanism.
In the above-mentioned auxiliary device improving Laser Processing ability, described compound row Structure of disembarking includes through channel partition, described laser to be become malleation chamber and negative pressure cavity Separation structure, described malleation chamber between laser optical unit and negative pressure cavity and this just Pressure chamber connects the compound die cavity of formation with negative pressure cavity, is provided with and malleation chamber on secondary process head At least one positive pressure protection gas entrance of connection, is additionally provided with and negative pressure on secondary process head At least one negative pressure of chamber connection is sucked away from mouth.
In the above-mentioned auxiliary device improving Laser Processing ability, described separation structure Including being arranged on laser spacer body in passage, the axial centre at spacer body is provided with The first spout that malleation chamber connects can be made with negative pressure cavity.
In the above-mentioned auxiliary device improving Laser Processing ability, described spacer body is Taper spacer body, and the external diameter of this spacer body is gradually reduced from lateral negative pressure cavity side, malleation chamber. Taper spacer body has two effects separated with water conservancy diversion.
In the above-mentioned auxiliary device improving Laser Processing ability, described secondary process Head has, away from one end of laser optical unit, the second spout that little the inner, outer end is big, and first Spout and the second spout all big taper in the little the inner spout structure in outer end, described second spout Axial line and the first spout axial line overlap and the little head end of the first spout bore less than or etc. Bore in the second little head end of spout.
In the above-mentioned auxiliary device improving Laser Processing ability, described positive pressure protection Gas entrance is arranged on the circumference of secondary process head and is supplied with positive pressure protection gas by the first pipeline It is connected to parts;Described negative pressure is sucked away from mouthful quantity at least two and along secondary process head Circumference is uniformly distributed, and described negative pressure is sucked away from mouth by the second pipeline and negative pressure generation part It is connected, the second pipeline is provided with and is sucked away between mouth and negative pressure generation part in negative pressure The aspiration of negative pressure parts.The aspiration of negative pressure parts are sucked away from mouth inhaling from negative pressure for filtering and precipitating The processing waste taken, prevents processing waste from entering in negative pressure generation part.
In the above-mentioned auxiliary device improving Laser Processing ability, described secondary process Head includes having the processing head upper cavity in malleation chamber and have the processing head cavity of resorption of negative pressure cavity Body, detachably connects by first between described processing head upper cavity and processing head lower chamber Access node structure or welding manner are connected;Or described secondary process head includes having compound Chamber and be the integral type processing head matrix of integral type structure.
In the above-mentioned auxiliary device improving Laser Processing ability, described laser optics Unit includes at least one focusing being arranged on laser through the laser beam entrance port end of passage Eyeglass, by detachable attachment mechanism phase between described secondary process head and focusing lens Even.Detachable attachment mechanism includes the laser beam entrance port end being arranged on laser through passage Annular the shaft shoulder is installed, install in annular and be provided with annular mounting seat on the shaft shoulder, described is poly- In focus lens is arranged on annular mounting seat and lower surface abuts in annular and installs on the shaft shoulder.Ring Shape is installed the shaft shoulder and is connected with annular mounting seat screw thread, annular mounting seat and focusing lens screw thread It is connected.Or described annular mounting seat is provided with the first flange, in annular mounting seat It is provided with the second flange, the first described flange and the second flange to be bolted to by some Together.
The auxiliary device of this raising Laser Processing ability comprises the steps:
Processing waste in A, tap or groove: malleation chamber and negative pressure cavity are by the first spray Mouth connection, positive pressure protection gas sequentially passes through positive pressure protection gas entrance, malleation chamber, the first spray Mouth, negative pressure cavity and the second spout also blow to workpiece, by processing during positive pressure protection QI excess During be trapped in hole or groove processing waste be expelled to outside hole or groove, and malleation chamber Interior air pressure is more than the air pressure in negative pressure cavity thus prevents processing waste from entering to malleation chamber In;Malleation chamber is prevented from the course of processing processing waste of splashing and is discharged to hole Or the processing waste outside groove enters in malleation chamber.
B, it is sucked away from processing waste: the effect being sucked away from gas by negative pressure makes adding in negative pressure cavity Work garbage is sucked away from mouth from negative pressure and is expelled to negative pressure cavity.Processing waste includes processed Splashing processing waste in journey and the processing waste being discharged to outside hole or groove.
In the above-mentioned raising method improving Laser Processing ability, in above-mentioned step A In, the first described spout is the structure that little the inner, outer end is big, and the second described spout is The structure that little the inner, outer end is big, the first described spout axial line and the second spout axial line The bore of coincidence and the little head end of the first spout is less than or equal to the mouth of the second little head end of spout Footpath.
Compared with prior art, the auxiliary device of this raising Laser Processing ability and raising The advantage of method is: 1, design is more reasonable, it is possible to effectively by the processing in hole or groove Garbage is discharged, and improves punching or the degree of depth of groove, further increases scanning galvanometer System processing hole or the working ability of groove, meanwhile, improve product processing quality and add Work efficiency rate, reduces the production cost of enterprise virtually.2, can effectively prevent processing useless Gurry damage laser optical unit, extends the service life of laser optical unit, secondly, Also reducing follow-up maintenance cost, use cost reduces.3, simple in construction and be prone to system Make, practical, it is easy to expanded application.4, the Developing Tendency of current social technology is met Gesture.
Accompanying drawing explanation
The structural representation that Fig. 1 provides for the present invention.
The first structural representation of spout that Fig. 2 provides for the present invention.
Spout the second structural representation that Fig. 3 provides for the present invention.
Embodiment two structural representation that Fig. 4 provides for the present invention.
Embodiment three structural representation that Fig. 5 provides for the present invention.
In figure, laser optical unit 1, focusing lens 11, annular mounting seat 12, auxiliary Processing head 2, laser through passage 21, malleation chamber 22, processing head upper cavity 22a, add Foreman lower chamber 22b, negative pressure cavity 23, positive pressure protection gas entrance 24, negative pressure be sucked away from mouth 25, Second spout 26, annular install the shaft shoulder 27, compound be discharged to mechanism 3, spacer body 31, First spout the 32, first pipeline 41, positive pressure protection gas supply part the 42, second pipeline 43, negative pressure generation part 44, the aspiration of negative pressure parts 45, fixed support 5, workpiece a.
Detailed description of the invention
The following is the specific embodiment of invention and combine accompanying drawing, to technical scheme It is further described, but the present invention is not limited to these embodiments.
Embodiment one
As it is shown in figure 1, the auxiliary device of this raising Laser Processing ability includes having laser Through the secondary process 2 of passage 21, laser is laser beam through one end of passage 21 Entrance port, the other end is laser beam exit wound of bullet, secondary process 2 is provided be positioned at sharp Light is through the laser beam entrance port end of passage 21 and is able to receive that the laser that laser beam is incident Optical unit 1, when laser beam can be processed after laser optical unit 1 on workpiece a Going out at least one hole or groove, specifically, the laser optical unit 1 of the present embodiment includes setting Put at laser through at least one focusing lens 11 of the laser beam entrance port end of passage 21, By detachable attachment mechanism phase between described secondary process 2 and focusing lens 11 Even.Here detachable attachment mechanism includes that being arranged on laser enters through the laser beam of passage The annular of loophole end installs the shaft shoulder 27, installs in annular and is provided with annular mounting seat on the shaft shoulder 12, in described focusing lens is arranged on annular mounting seat and lower surface abuts in annular peace On the dress shaft shoulder.Annular install the shaft shoulder with annular mounting seat screw thread be connected, annular mounting seat and Focusing lens screw thread is connected.Or described annular mounting seat is provided with the first flange, Annular mounting seat is provided with the second flange, if the first described flange and the second flange pass through Bolt stem is fixed together.
Secondary process 2 is provided with and can will the course of processing be trapped in hole or groove in real time Processing waste discharge and force processing waste away from laser optical unit 1 thus will Described processing waste is sucked away to compound outside passage 21 of laser being discharged to mechanism 3. Processing waste processing waste including dust, flue dust and nano-particle etc.. Owing to being provided with the compound mechanism 3 that is discharged to, the compound mechanism 3 that is discharged to has: 1. can The processing waste being trapped in hole or groove is expelled to outside hole or groove;2. processing can be prevented During processing waste outside the processing waste that splashes and tap or groove upwards Splash thus damage laser optical unit 12;3. processing waste can be discharged to auxiliary Three effects outside processing head 2.
Specifically, the compound mechanism 3 that is discharged to of the present embodiment includes being swashed by described Light is separated into malleation chamber 22 and the separation structure of negative pressure cavity 23, malleation chamber through passage 21 22 between laser optical unit 12 and negative pressure cavity 23 and this malleation chamber 22 and negative pressure Chamber 23 connection forms compound die cavity, malleation chamber 22 here in funnel-shaped structure, negative pressure The V-shaped structure in chamber 23.Prioritization scheme, this separation structure includes that being arranged on laser passes through Spacer body 31 in passage 21, the axial centre at spacer body 31 is provided with and can make malleation chamber 22 the first spouts 32 connected with negative pressure cavity 23.Secondly, spacer body 31 separates for taper Body, and the external diameter of this spacer body 31 is gradually reduced from lateral negative pressure cavity 23 side, malleation chamber 22. The outer surface of taper spacer body is an annular slant leading surface, this annular slant leading surface energy Enough improve the smoothness that processing waste is discharged to, be also greatly improved simultaneously and be discharged to efficiency. Spacer body 31 is connected as a single entity structure with secondary process 2.
In order to improve absorbability and be discharged to speed, in secondary process 2 away from swashing One end of light optical unit 12 has the second spout 26 that little the inner, outer end is big, the first spray Mouth 32 and the second spout 26 all big taper in little the inner spout structures in outer end, described second Spout 26 axial line and the first spout 32 axial line overlap and the first little head end of spout 32 Bore is less than the bore of the second little head end of spout 26.This structure is possible not only to prevent processing useless Gurry enters in malleation chamber, simultaneously, additionally it is possible to that improves negative pressure cavity is sucked away from ability, separately Outward, axial line overlaps and can be easy to manufacture and assemble, and can also improve simultaneously and be sucked away from efficiency. Further, the first spout 32 is identical with the cross sectional shape of the second spout 26, it is possible to further Improve the high efficiency being discharged to.First spout 32 and the cross sectional shape of the second spout 26 and chi Very little size is according to the size of the scanning galvanometer sweep limits needed for conventional workpiece laser processing Form a series, in actual laser processing procedure, may be selected by suitable cross section Shape and size, i.e. described secondary process 2 can be changed.Such as Fig. 2-3 Shown in, it addition, the cross sectional shape of the first spout 32 and the second spout 26 include rectangle, Square and circle in any one, can also is that various irregular shape equally, And laser beam range of movement and direction require to be set according to actual Product processing.
Connect at least as it is shown in figure 1, be provided with in secondary process 2 with malleation chamber 22 One positive pressure protection gas entrance 24, positive pressure protection gas entrance 24 is arranged on secondary process 2 Circumference and be connected with positive pressure protection gas supply part 42 by the first pipeline 41.First Spout 32 can improve positive pressure protection gas entrance 24 and enter to negative pressure cavity from malleation chamber 22 Air pressure pressure in 23.Positive pressure protection gas bag includes any one in nitrogen and argon.Just Pressure protection gas forms malleation P after entering to malleation chamber 22 in malleation chamber 221.? Malleation P1Effect under make processing waste upwards cannot pass the first spout 32.
Secondary process 2 is additionally provided with at least one negative pressure connected with negative pressure cavity 23 inhale From mouth 25.The negative pressure of the present embodiment is sucked away from mouth 25 quantity at least two and along secondary process The circumference of 2 is uniformly distributed, described negative pressure be sucked away from mouth 25 by the second pipeline 43 with Negative pressure generation part 44 is connected, and is provided with and is positioned at negative pressure and is sucked away from mouth 25 on the second pipeline 43 And the aspiration of negative pressure parts 45 between negative pressure generation part 44.Negative pressure generation part 44 opens Time dynamic, negative pressure cavity 23 forms negative pressure P2, workpiece a produces in Laser Processing The processing waste given birth to and be discharged to outside hole or groove is in negative pressure P2Under adsorption, processing Garbage is sucked away from mouth 25 by negative pressure and is sucked from outside secondary process 2.It addition, by adjusting Whole negative pressure P2Size so that processing waste can be sucked away from mouth 25 by negative pressure to be had Effect is sucked away from.And the aspiration of negative pressure parts 45 are sucked away from mouth 25 from negative pressure for filtering and precipitating The processing waste drawn, prevents processing waste from entering in negative pressure generation part 44. First spout 32 is pyramidal structure, first spout 32 under negative pressure is sucked away from the effect of mouth 25 Absorbability can be improved.The equally distributed negative pressure of circumference is sucked away from mouth 25 and ensure that and be sucked away from High efficiency.
Prioritization scheme, for the ease of dismounting, the secondary process 2 of the present embodiment includes tool There is the processing head upper cavity 22a in malleation chamber 22 and there is the processing head cavity of resorption of negative pressure cavity 23 Body 22b, passes through between described processing head upper cavity 22a and processing head lower chamber 22b First Detachable connection structure is connected.First Detachable connection structure includes being arranged on processing External screw thread on head upper cavity 22a, is provided with described on processing head lower chamber 22b The female thread that external screw thread screw thread is connected.Certainly, external screw thread here can also be arranged on and add On foreman lower chamber 22b, female thread then can be arranged on processing head upper cavity 22a. Can be designed manufacturing according to actual requirement.First Detachable connection structure also includes The flange cooperated.
The operation principle of the present embodiment is as follows: the incoming laser beam warp successively of the laser instrument come Cross the laser of laser optical unit 1 and secondary process 2 through passage 21, then beat On workpiece a, by the effect of laser optical unit 1 thus process on workpiece a and portal Or groove;
When hole or groove depth are constantly deepened, by positive pressure protection gas supply part 42 Start, by crossing the first pipeline 41, positive pressure protection gas is defeated from positive pressure protection gas entrance 24 Enter to malleation chamber 22, in malleation chamber 22, form malleation P1, meanwhile, malleation The processing waste being trapped in hole or groove is expelled to outside hole or groove by protection gas, Malleation P1Effect under make processing waste upwards cannot pass the first spout 32;
Start negative pressure generation part 44 and make negative pressure cavity 23 is formed negative pressure P2, workpiece a In Laser Processing, produce and be discharged to the processing waste outside hole or groove in negative pressure P2Inhale Under attached effect, processing waste is sucked away from mouth 25 by the second pipeline 43 and negative pressure and is sucked from Outside secondary process 2, in order to prevent processing waste from entering into negative pressure generation part 44 Neutralizing the environment ensureing production operation, being provided with the aspiration of negative pressure parts 45 can effectively prevent Processing waste enters in negative pressure generation part 44, meanwhile, by periodically cleaning The aspiration of negative pressure parts 45 disclosure satisfy that the requirement of the production order.
Separate and two effects of water conservancy diversion it addition, taper spacer body has.
The raising method of this raising scanning galvanometer system working ability comprises the steps:
Processing waste in A, tap or groove: malleation chamber 22 and negative pressure cavity 23 pass through First spout 32 connects, and positive pressure protection gas sequentially passes through positive pressure protection gas entrance 24, just Pressure chamber the 22, first spout 32, negative pressure cavity 23 and the second spout 26 also blow to workpiece, logical The processing waste row being trapped in the course of processing in hole or groove when crossing positive pressure protection QI excess Go out outside hole or groove, and the air pressure in malleation chamber 22 more than the air pressure in negative pressure cavity 23 from And prevent processing waste from entering in malleation chamber 22;Malleation chamber is prevented from the course of processing The processing waste of middle splashing and the processing waste being discharged to outside hole or groove just enter to In pressure chamber.
B, it is sucked away from processing waste: the effect being sucked away from gas by negative pressure is made in negative pressure cavity 23 Processing waste be sucked away from mouth 25 from negative pressure and be expelled to negative pressure cavity 23.
In above-mentioned step A, the first described spout 32 is the knot that little the inner, outer end is big Structure, the second described spout 26 is the structure that little the inner, outer end is big, the first described spout 32 axial lines and the second spout 26 axial line overlap and the bore of the first little head end of spout 32 Bore less than the second little head end of spout 26.
Embodiment two
As shown in Figure 4, the present embodiment is essentially identical with structure and the principle of embodiment one, Gu therefore not to repeat here, and different place is: processing head upper cavity 22a and adding It is connected by welding manner between foreman lower chamber 22b.
Embodiment three
As it is shown in figure 5, the present embodiment is essentially identical with structure and the principle of embodiment one, Gu therefore not to repeat here, and different place is: secondary process 2 includes having Compound die cavity and be the integral type processing head matrix of integral type structure.
Embodiment four
The present embodiment is essentially identical with structure and the principle of embodiment one, Gu do not go to live in the household of one's in-laws on getting married at this State, and different place is: the bore of the first little head end of spout 32 is equal to the second spray The bore of mouth 26 little head ends.
Specific embodiment described herein is only to present invention spirit theory for example Bright.Those skilled in the art can be to described specific embodiment Make various amendment or supplement or use similar mode to substitute, but without departing from The spirit of the present invention or surmount scope defined in appended claims.
Although the most more employing laser optical unit 1, focusing lens 11, annular Mounting seat 12, secondary process 2, laser are through passage 21, malleation chamber 22, processing head Upper cavity 22a, processing head lower chamber 22b, negative pressure cavity 23, positive pressure protection gas entrance 24, Negative pressure is sucked away from mouth the 25, second spout 26, annular installs the shaft shoulder 27, compound be discharged to machine Structure 3, spacer body the 31, first spout the 32, first pipeline 41, positive pressure protection gas supply unit Part the 42, second pipeline 43, negative pressure generation part 44, the aspiration of negative pressure parts 45, fixing The terms such as support 5, workpiece a, but it is not precluded from using the probability of other term.Make It is only used to describe and explain more easily the essence of the present invention with these terms;It To be construed to any additional restriction be all contrary with spirit of the present invention.

Claims (10)

1. the auxiliary device improving Laser Processing ability, it is characterised in that this auxiliary Device includes the secondary process head (2) having laser through passage (21), and laser passes through One end of passage (21) is laser beam entrance port, and the other end is laser beam exit wound of bullet, Secondary process head (2) is provided with the laser beam entrance port being positioned at laser through passage (21) Hold and be able to receive that the laser optical unit (1) that laser beam is incident, when laser beam is through too drastic At least one hole or groove can be processed on workpiece (a) after light optical unit (1), Secondary process head (2) is provided with and can will be trapped in adding in hole or groove in the course of processing in real time Work garbage discharges and forces processing waste away from laser optical unit (1) thus by institute State processing waste to be sucked away to laser being discharged to mechanism (3) through passage (21) outward compound.
The auxiliary device of raising Laser Processing ability the most according to claim 1, its Be characterised by, described compound be discharged to that mechanism (3) includes can be by described laser warp Cross passage (21) and be separated into malleation chamber (22) and the separation structure of negative pressure cavity (23), Described malleation chamber (22) is positioned between laser optical unit (1) and negative pressure cavity (23) And this malleation chamber (22) connects the compound die cavity of formation with negative pressure cavity (23), add in auxiliary Foreman (2) is provided with at least one the positive pressure protection gas entrance connected with malleation chamber (22) (24), secondary process head (2) is additionally provided with connects at least with negative pressure cavity (23) One negative pressure is sucked away from mouth (25).
The auxiliary device of raising Laser Processing ability the most according to claim 2, its Being characterised by, described separation structure includes being arranged on laser in passage (21) Spacer body (31), the axial centre at spacer body (31) is provided with and can make malleation chamber (22) The first spout (32) connected with negative pressure cavity (23).
The auxiliary device of raising Laser Processing ability the most according to claim 3, its Being characterised by, described spacer body (31) is taper spacer body, and this spacer body (31) External diameter be gradually reduced from malleation chamber (22) lateral negative pressure cavity (23) side.
5. according to the auxiliary device improving Laser Processing ability described in claim 3 or 4, It is characterized in that, described secondary process head (2) is away from laser optical unit (1) One end be provided with the second spout (26), the first spout (32) and the second spout (26) all in The big taper in little the inner, outer end spout structure, described second spout (26) axial line and first Spout (32) axial line overlap and the first spout (32) little head end bore less than or etc. Bore in the second spout (26) little head end.
6. according to the auxiliary improving Laser Processing ability described in Claims 2 or 3 or 4 Device, it is characterised in that described positive pressure protection gas entrance (24) is arranged on auxiliary and adds The circumference of foreman (2) and by the first pipeline (41) and positive pressure protection gas supply part (42) It is connected;Described negative pressure is sucked away from mouth (25) quantity at least two and along secondary process head (2) Circumference be uniformly distributed, described negative pressure is sucked away from mouth (25) by the second pipeline (43) It is connected with negative pressure generation part (44), the second pipeline (43) is provided with and is positioned at negative pressure The aspiration of negative pressure parts (45) being sucked away between mouth (25) and negative pressure generation part (44).
7. according to the auxiliary improving Laser Processing ability described in Claims 2 or 3 or 4 Device, it is characterised in that described secondary process head (2) includes having malleation chamber (22) Processing head upper cavity (22a) and there is the processing head lower chamber (22b) of negative pressure cavity (23), By the between described processing head upper cavity (22a) and processing head lower chamber (22b) One Detachable connection structure or welding manner are connected;Or described secondary process head (2) Including having compound die cavity and the integral type processing head matrix for integral type structure.
The auxiliary device of raising Laser Processing ability the most according to claim 7, its Being characterised by, described laser optical unit (1) includes being arranged on laser through passage (21) At least one focusing lens (11) of laser beam entrance port end, described secondary process head (2) and it is connected by detachable attachment mechanism between focusing lens (11).
9. the raising method improving Laser Processing ability, it is characterised in that this method Comprise the steps:
Processing waste in A, tap or groove: malleation chamber (22) and negative pressure cavity (23) Being connected by the first spout (32), positive pressure protection gas sequentially passes through positive pressure protection gas entrance (24), malleation chamber (22), the first spout (32), negative pressure cavity (23) and the second spout And blow to workpiece, by the course of processing being trapped in hole during positive pressure protection QI excess (26) Or the processing waste in groove is expelled to outside hole or groove, and the air pressure in malleation chamber (22) More than the air pressure in negative pressure cavity (23) thus prevent processing waste from entering to malleation chamber (22) In;
B, it is sucked away from processing waste: the effect being sucked away from gas by negative pressure makes negative pressure cavity (23) In processing waste be sucked away from mouth (25) from negative pressure and be expelled to negative pressure cavity (23).
The raising method of raising Laser Processing ability the most according to claim 9, its Being characterised by, in above-mentioned step A, described the first spout (32) is that outer end is little Inner big structure, described the second spout (26) is the structure that little the inner, outer end is big, Described the first spout (32) axial line and the second spout (26) axial line overlap and the The bore of one spout (32) little head end is less than the bore of the second spout (26) little head end.
CN201510290656.6A 2015-05-30 2015-05-30 Improve the auxiliary device of Laser Processing ability and improve method Pending CN106271064A (en)

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CN110449735A (en) * 2019-07-04 2019-11-15 包头市三泰激光科技有限公司 Back flushing type laser protector and its application method
CN111604596A (en) * 2020-05-28 2020-09-01 华北水利水电大学 Welding method and clamping tool for bilateral rotation laser-TIG electric arc of cross joint
CN113427124A (en) * 2020-03-05 2021-09-24 海纳光电股份有限公司 High-temperature environment processing device and method for hard and brittle plates
CN116352259A (en) * 2023-03-27 2023-06-30 海目星激光科技集团股份有限公司 Laser welding dust collector

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Publication number Priority date Publication date Assignee Title
CN110449735A (en) * 2019-07-04 2019-11-15 包头市三泰激光科技有限公司 Back flushing type laser protector and its application method
CN113427124A (en) * 2020-03-05 2021-09-24 海纳光电股份有限公司 High-temperature environment processing device and method for hard and brittle plates
CN111604596A (en) * 2020-05-28 2020-09-01 华北水利水电大学 Welding method and clamping tool for bilateral rotation laser-TIG electric arc of cross joint
CN116352259A (en) * 2023-03-27 2023-06-30 海目星激光科技集团股份有限公司 Laser welding dust collector
CN116352259B (en) * 2023-03-27 2024-01-09 海目星激光科技集团股份有限公司 Laser welding dust collector

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Application publication date: 20170104