CN102476245A - Cutting head for laser cutting machine - Google Patents
Cutting head for laser cutting machine Download PDFInfo
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- CN102476245A CN102476245A CN2010105579775A CN201010557977A CN102476245A CN 102476245 A CN102476245 A CN 102476245A CN 2010105579775 A CN2010105579775 A CN 2010105579775A CN 201010557977 A CN201010557977 A CN 201010557977A CN 102476245 A CN102476245 A CN 102476245A
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Abstract
The invention relates to a cutting head for a laser cutting machine. A fixed sleeve is fixedly arranged on a cutting head connector through a coupling nut; the fixed sleeve is connected with a protecting sheet mounting base; the protecting sheet mounting base is fixed through the coupling nut; a positioning pin is embedded on the protecting sheet mounting base; a protecting sheet is mounted in the protecting sheet mounting base; an air tap is arranged under the protecting sheet mounting base; a moving ring is connected with a quick connecting plug and an adjusting screw rod; the quick connecting plug is connected with a spring pressing rod; the spring pressing rod is connected with a water-cooling ring; the water-cooling ring is sleeved on a focus lens base; a focus lens is arranged in the focus lens base; a spring sleeve and a spring are sleeved on the spring pressing rod; one end of the adjusting screw rod is resisted against the water-cooling ring while the other end is fixed on the moving ring through a screw sleeve; a locking nut is arranged on the adjusting screw rod; an adapter is located on the lower part of the fixed sleeve; the fixed sleeve is also connected with a driving pin; the driving pin is connected with a moveable sleeve and an adjusting sleeve; and the adjusting sleeve is connected with the moving ring. The cutting head for the laser cutting machine is convenient in operation, has water-cooling, air-cooling and anti-dust functions, and is high in focus adjusting precision.
Description
Technical field
The present invention relates to a kind of laser cutting head.Be specifically related to a kind of cutting head that is used for laser cutting machine.
Background technology
Before the present invention makes, when Laser Processing, be simple to be water-cooled or air-cooled, and only possess the axial adjustment function, blowing nozzle can not be regulated defocusing amount after confirming with the distance between the workpiece.Simple water-cooled and air-cooled to the cooling uniformity very big influence is arranged, cause the change of focal position of laser, at the focus lamp superjacent air space, though have the envelope light structure, can not stop the entering of dust.Because the problem of machining aspect, general cutting head can not guarantee that laser is the center incident from focus lamp, just becomes the outer light of axle this moment, and the outer light focusing of axle can cause bigger aberration, and power density reduces, and influences cutting performance and effect.
Summary of the invention
The purpose of this invention is to provide a kind of easy to operate; Adjustment focusing accuracy high laser cutting head has water-cooled, air-cooled function, at the local space of focus lamp upper surface dust reduction capability is arranged; Can be in horizontal plane two vertical direction adjustment; When blowing nozzle and workpiece distance is confirmed, can also regulate defocusing amount, and can measure defocusing amount through reading.
In order to achieve the above object, the present invention has following technical scheme:
A kind of cutting head that is used for laser cutting machine of the present invention is characterized in that: fixed cover is fixed on the cutting head connector through coupling nut, and fixed cover connects the screening glass mount pad; The screening glass mount pad is fixed through coupling nut, is embedded with alignment pin on the screening glass mount pad, in the screening glass mount pad screening glass is housed; Fix with the screening glass trim ring, valve is equipped with in the below of screening glass mount pad, and shift(ing) ring is connected with quick connector, adjusting screw(rod); Quick connector is connected with spring pressure bar, and spring pressure bar is connected with water-cooling ring, and water-cooling ring is enclosed within the outside that focuses on microscope base; Focus lamp is installed in and focuses in the microscope base, and spring housing, spring are through on the spring pressure bar, and an end of adjusting screw(rod) withstands water-cooling ring; The other end is fixed on the screw socket of shift(ing) ring through swivel nut, and the adjusting screw(rod) outermost has locking nut, and said adapter is positioned at the fixed cover bottom; First air chamber is positioned at the fixed cover bottom, and second air chamber is positioned at the outer surface of water-cooling ring, and the 3rd air chamber is positioned at and focuses on the microscope base top; Fixed cover also is connected with drive pin, and drive pin is connected with moving cover, regulating sleeve, and regulating sleeve is connected with shift(ing) ring.
Wherein, said shift(ing) ring has four threaded openings, is " ten " word, and 2 quick connectors and 2 adjusting screw(rod)s are housed respectively, and wherein, each quick connector is corresponding with an adjusting screw(rod).
Wherein, said first air chamber is by fixed cover, screening glass, and the screening glass trim ring, focus lamp focuses on microscope base, the moving space of forming of overlapping.
Wherein, said second air chamber by the bottom and the below inwall of the outer surface of water-cooling ring, moving cover, focus on the space that microscope base is formed.
Wherein, on the whole circumference digital calibration is set evenly below the said regulating sleeve.
Owing to taked above technical scheme, the invention has the advantages that:
1 the present invention can cool off the side of focus lamp, and can carry out simultaneously air-cooledly, and dustproof effect can be played in the part.
2 the present invention can be along two vertical direction independent regulation in horizontal plane.
3 when blowing nozzle and workpiece relative position remain unchanged, and can change the defocusing amount of cut, and scale tolerance defocusing amount is arranged.
4, easy to operate, the precision that adjustment laser focuses on is high.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the sketch map of adapter of the present invention.
Among the figure: 1 valve; 2 screening glass mount pads; 3 coupling nuts; 4 alignment pins; 5 screening glass trim rings; 6 fixed covers; 7 focus on microscope base; 8 packing rings; 9 trim rings; 10 water-cooling rings; 11 quick connectors; 12 spring pressure bars; 13 adjusting rings; 14 spring housings; 15 springs; 16 shift(ing) rings; 17 regulating sleeves; 18 drive pins; 19 coupling nuts; 20 cutting head connectors; 21 connecting plates; 22 moving covers; 23 trim rings; 24 packing rings; 25 pads; 26 swivel nuts; 27 locking nuts; 28 adjusting screw(rod)s; 29 adapters; 30 the 3rd air chambers; 31 second air chambers; 32 first air chambers; 33 focus lamps; 34 screening glass.
The specific embodiment
Following examples are used to explain the present invention, but are not used for limiting scope of the present invention.
Referring to accompanying drawing 1, Fig. 2; The present invention is a kind of multifunction laser cutting head that is used for laser cutting machine, by valve 1, screening glass mount pad 2, coupling nut 3, alignment pin 4, screening glass trim ring 5, fixed cover 6, focus on microscope base 7, packing ring 8, trim ring 9, water-cooling ring 10, quick connector 11, spring pressure bar 12, adjusting ring 13, spring housing 14, spring 15, shift(ing) ring 16, regulating sleeve 17, drive pin 18, coupling nut 19, cutting head connector 20, connecting plate 21, moving cover 22, trim ring 23, packing ring 24, pad 25, swivel nut 26, locking nut 27, adjusting screw(rod) 28, adapter 29, the 3rd air chamber 30, second air chamber 31, first air chamber 32, focus lamp 33, screening glass 34 is formed.The integral cutting head is the main body with fixed cover 6, and fixed cover 6 is fixed on cutting head connector 20 with above the connecting plate 21 through coupling nut 19.Below fixed cover 6, connecting screening glass mount pad 2, screening glass mount pad 2 leans on coupling nut 3 fixing, on screening glass mount pad 2, is embedded with alignment pin 4, on fixed cover 6, has groove, so that the location when installing.Screening glass mount pad 2 below, valve 1 is housed, screening glass 34 is housed in the screening glass mount pad 2, fixing with screening glass trim ring 5.The water-cooled funtion part is by quick connector 11, spring pressure bar 12, and adjusting ring 13, shift(ing) ring 16, water-cooling ring 10 focuses on microscope base 7, focus lamp 33, packing ring 8 is formed with trim ring 9.Wherein shift(ing) ring 16 has four threaded openings, is " ten " word, and 2 quick connectors 11 and 2 adjusting screw(rod)s 12 are housed respectively, each quick connector and an adjusting screw(rod) correspondence.In one group of correspondence, quick connector 11 is connected on the spring pressure bar 12, and spring pressure bar 12 is hollow, and there is water channel the inside, the end quick connector 11 of ining succession, and the other end is connected on the water-cooling ring 10, and water-cooling ring 10 is enclosed within the outside that focuses on microscope base 7.Focusing on the microscope base, the position that spring pressure bar 12 hollow water channels face has groove, constitutes cooling-water duct.After cooling water is full of this part space, from another one spring pressure bar 12, flow out, both are orthogonal again.Focus lamp 33 is installed in and focuses in the microscope base 7, is lined with packing ring 8 above, and fixing by trim ring 9.Cooling water flows in tank, cools off through heat conducting mode to focus on microscope base 7, and same mode focuses on microscope base 7 also with heat conducting mode, cooling focus lamp 33, the function of realization water-cooled.
Air-cooled funtion part is by fixed cover 6, screening glass mount pad 2, and screening glass 34, screening glass trim ring 5, moving cover 22 focuses on microscope base 7, focus lamp 33, water-cooling ring 16 is formed with adapter 29.Bottom at fixed cover 6 has screw socket, and an end of adapter 29 is connected on this screw socket, and the other end connects the quick connector of refrigerating gas.In the inside of fixed cover 6, by fixed cover 6, screening glass 34, screening glass trim ring 5, focus lamp 33 focuses on microscope base 7 and forms first air chamber 31 with moving cover 22.Refrigerating gas through adapter 29 directly gets into this air chamber.Through heat conducting mode, the lower surface of cooling focus lamp.Bottom at moving cover 22 has an aperture, after refrigerating gas is full of first air chamber 31, through this aperture, flow to second air chamber, and second air chamber is by the outer surface of water-cooling ring 10, and the bottom and the below inwall of moving cover 22 focus on microscope base 7 and form.Second air chamber is that refrigerating gas flows to the place of focus lamp 33 upper surface transition.After refrigerating gas is full of second air chamber 31, get into the 3rd air chamber 30 from the opening that focuses on microscope base 7 tops.At the 3rd air chamber 30, refrigerating gas is through heat conducting mode, and the upper surface of cooling focus lamp 33 upwards is full of then gradually.After being full of the 3rd air chamber 30, form malleation, discharge gas, make extraneous dust can't enter into the 3rd air chamber, play local dustproof effect through the gap with the external world.
Described fixed cover 6 has circular hole at a lateral surface, and drive pin 18 passes from circular hole, and an end is fixed on the moving cover 22, and the other end is stuck in the rectangular thread of regulating sleeve 17.Regulating sleeve 17 is blocked by following shift(ing) ring 16, and when regulating sleeve 17 rotations, moving cover 22 moves up and down, and then the drive focus lamp moves up and down.Owing to valve 1 is connected in above the fixed cover 6, when regulating sleeve 17 rotations, valve 1 does not move, the focusing function that historical facts or anecdotes is fixed when valve 1 at present.Evenly scribble digital calibration on the regulating sleeve 17 below whole circumference, " 0 " in the centre, left and right sides uniform labelling all has 10 little lattice to numeral " 5 " between each adjacent numeral, and wherein numeral " 5 " is shared, and " 0 " and " 5 " is on same straight line at this moment.At shift(ing) ring 16 top edges, scribble the isosceles triangle mark, the angle (wedge angle) of triangle two isosceles points to digital calibration.Rotate regulating sleeve 17, make focus lamp 33 move to minimumly, measure the distance that focus lamp 33 moves, read the number of division that triangular marker slips over again, just can confirm a ratio from the highest.And do suitable adjustment, make that the triangle wedge angle just points to " 0 " graduation mark on the regulating sleeve 17 when amount of focus moves in the middle of whole stroke.Add man-hour when actual, reading and this ratio according to the reading mark have conversed actual defocusing amount.Realize quantizing the function of defocusing amount.
As previously mentioned, shift(ing) ring 16 has four threaded openings, is " ten " word, and 2 quick connectors 11 and 2 adjusting screw(rod)s are housed respectively, a quick connector 11 and adjusting screw(rod) 12 correspondences.In one group of correspondence, spring pressure bar 12 1 ends are fixed on the water-cooling ring 10, the other end quick connector 11 of ining succession; Spring pressure bar 12 has the diameter at a position big slightly, just blocks the spring 15 that is through spring pressure bar 12, and the other end of spring 15 is blocked by spring housing 14; Spring housing 14 also is through on the spring pressure bar 12, and in the back of spring housing 14, adjusting ring 13 blocks spring housing 14; Adjusting ring 13 is also passed by spring pressure bar 12, and it is fixed in the screw socket of shift(ing) ring 16 through screw thread.Like this, spring 15 is compressive state between spring housing 14 and spring pressure bar 12, and is used in masterpiece on the water-cooling ring 10.On the opposite of spring pressure bar 12, an adjusting screw(rod) 28 is arranged, the one of which end withstands water-cooling ring 10; The other end is fixed on the screw socket of shift(ing) ring 16 through swivel nut 26; Adjusting screw(rod) 28 outermosts have locking nut 27, like this, and when rotation adjusting screw rod 28; Just can promote water-cooling ring 10 and move in that this side up, drive focus lamp 33 and move in that this side up.Realize the adjusting on this direction.Same reason, vertically this side up in horizontal plane, and one group of identical with it adjusting device is also arranged, and realizes locomotive function.So far, be implemented in the bidimensional regulatory function of focus lamp 33 in horizontal plane.So far, repertoire is realized.
Obviously, above-mentioned instance of the present invention only be for clearly the present invention is described and is done for example, and be not to be qualification to embodiment of the present invention.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here can't give exhaustive to all embodiments.Everyly belong to the row that conspicuous variation that technical scheme of the present invention extends out or change still are in protection scope of the present invention.
Claims (5)
1. cutting head that is used for laser cutting machine, it is characterized in that: fixed cover is fixed on the cutting head connector through coupling nut, and fixed cover connects the screening glass mount pad; The screening glass mount pad is fixed through coupling nut, is embedded with alignment pin on the screening glass mount pad, in the screening glass mount pad screening glass is housed; Fix with the screening glass trim ring, valve is equipped with in the below of screening glass mount pad, and shift(ing) ring is connected with quick connector, adjusting screw(rod); Quick connector is connected with spring pressure bar, and spring pressure bar is connected with water-cooling ring, and water-cooling ring is enclosed within the outside that focuses on microscope base; Focus lamp is installed in and focuses in the microscope base, and spring housing, spring are through on the spring pressure bar, and an end of adjusting screw(rod) withstands water-cooling ring; The other end is fixed on the screw socket of shift(ing) ring through swivel nut, and the adjusting screw(rod) outermost has locking nut, and said adapter is positioned at the fixed cover bottom; First air chamber is positioned at the fixed cover bottom, and second air chamber is positioned at the outer surface of water-cooling ring, and the 3rd air chamber is positioned at and focuses on the microscope base top; Fixed cover also is connected with drive pin, and drive pin is connected with moving cover, regulating sleeve, and regulating sleeve is connected with shift(ing) ring.
2. according to the described a kind of cutting head that is used for laser cutting machine of claim 1; It is characterized in that: said shift(ing) ring has four threaded openings, is " ten " word, and 2 quick connectors and 2 adjusting screw(rod)s are housed respectively; Wherein, each quick connector is corresponding with an adjusting screw(rod).
3. according to the described a kind of cutting head that is used for laser cutting machine of claim 1, it is characterized in that: said first air chamber is by fixed cover, screening glass, and the screening glass trim ring, focus lamp focuses on microscope base, the moving space of forming of overlapping.
4. according to the described a kind of cutting head that is used for laser cutting machine of claim 1, it is characterized in that: the space that said second air chamber is made up of bottom and below inwall, the focusing microscope base of the outer surface of water-cooling ring, moving cover.
5. according to the described a kind of cutting head that is used for laser cutting machine of claim 1, it is characterized in that: on the whole circumference of said regulating sleeve below digital calibration is set evenly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010557977.5A CN102476245B (en) | 2010-11-23 | 2010-11-23 | Cutting head for laser cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010557977.5A CN102476245B (en) | 2010-11-23 | 2010-11-23 | Cutting head for laser cutting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102476245A true CN102476245A (en) | 2012-05-30 |
| CN102476245B CN102476245B (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010557977.5A Expired - Fee Related CN102476245B (en) | 2010-11-23 | 2010-11-23 | Cutting head for laser cutting machine |
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| Country | Link |
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| CN (1) | CN102476245B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104325223A (en) * | 2014-10-08 | 2015-02-04 | 大族激光科技产业集团股份有限公司 | Laser cutting head |
| CN105108354A (en) * | 2015-09-17 | 2015-12-02 | 苏州凯锝微电子有限公司 | Laser cutting head |
| CN105364308A (en) * | 2015-12-09 | 2016-03-02 | 重庆镭宝激光智能机器人制造有限公司 | Cooling device for focusing mirror of laser cutting robot |
| CN107363419A (en) * | 2017-08-08 | 2017-11-21 | 江苏大金激光科技有限公司 | A kind of laser cutting head leaded light focusing system |
| CN108161218A (en) * | 2017-11-30 | 2018-06-15 | 沈阳工业大学 | focus adjustable mechanism laser cutting head |
| CN110000478A (en) * | 2019-03-26 | 2019-07-12 | 武汉华俄激光工程有限公司 | A kind of cooling equipment of pipeline laser cutting machine |
| CN112756810A (en) * | 2021-01-18 | 2021-05-07 | 奔腾激光(温州)有限公司 | Cutting head water-cooling forced air cooling hybrid cooling device |
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| JPS6054289A (en) * | 1983-08-31 | 1985-03-28 | Murata Mach Ltd | Follow-up moving device of working head in laser cutting machine |
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| CN1805817A (en) * | 2003-05-16 | 2006-07-19 | 拉萨格股份公司 | Apparatus for generating a rotating laser beam comprising a tiltable lens |
| CN200945547Y (en) * | 2006-08-17 | 2007-09-12 | 武汉法利莱切割***工程有限责任公司 | Cutting head apparatus for numerical control laser cutting machine tool |
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| CN202224844U (en) * | 2011-09-05 | 2012-05-23 | 武汉楚天激光（集团）股份有限公司 | Cutting head for laser cutting machine |
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2010
- 2010-11-23 CN CN201010557977.5A patent/CN102476245B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6054289A (en) * | 1983-08-31 | 1985-03-28 | Murata Mach Ltd | Follow-up moving device of working head in laser cutting machine |
| CN1805817A (en) * | 2003-05-16 | 2006-07-19 | 拉萨格股份公司 | Apparatus for generating a rotating laser beam comprising a tiltable lens |
| CN1794025A (en) * | 2005-12-22 | 2006-06-28 | 武汉楚天激光（集团）股份有限公司 | Optical fiber coupling device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104325223A (en) * | 2014-10-08 | 2015-02-04 | 大族激光科技产业集团股份有限公司 | Laser cutting head |
| CN104325223B (en) * | 2014-10-08 | 2016-08-17 | 大族激光科技产业集团股份有限公司 | Laser cutting head |
| CN105108354A (en) * | 2015-09-17 | 2015-12-02 | 苏州凯锝微电子有限公司 | Laser cutting head |
| CN105364308A (en) * | 2015-12-09 | 2016-03-02 | 重庆镭宝激光智能机器人制造有限公司 | Cooling device for focusing mirror of laser cutting robot |
| CN105364308B (en) * | 2015-12-09 | 2017-03-22 | 重庆镭宝激光智能机器人制造有限公司 | Cooling device for focusing mirror of laser cutting robot |
| CN107363419A (en) * | 2017-08-08 | 2017-11-21 | 江苏大金激光科技有限公司 | A kind of laser cutting head leaded light focusing system |
| CN108161218A (en) * | 2017-11-30 | 2018-06-15 | 沈阳工业大学 | focus adjustable mechanism laser cutting head |
| CN110000478A (en) * | 2019-03-26 | 2019-07-12 | 武汉华俄激光工程有限公司 | A kind of cooling equipment of pipeline laser cutting machine |
| CN112756810A (en) * | 2021-01-18 | 2021-05-07 | 奔腾激光(温州)有限公司 | Cutting head water-cooling forced air cooling hybrid cooling device |
| CN112756810B (en) * | 2021-01-18 | 2022-08-26 | 奔腾激光(浙江)股份有限公司 | Cutting head water-cooling forced air cooling hybrid cooling device |
Also Published As
| Publication number | Publication date |
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| CN102476245B (en) | 2015-01-21 |
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