CN109894755A - A kind of cooling laser cutting head - Google Patents
A kind of cooling laser cutting head Download PDFInfo
- Publication number
- CN109894755A CN109894755A CN201910278449.7A CN201910278449A CN109894755A CN 109894755 A CN109894755 A CN 109894755A CN 201910278449 A CN201910278449 A CN 201910278449A CN 109894755 A CN109894755 A CN 109894755A
- Authority
- CN
- China
- Prior art keywords
- nozzle
- cooling
- cooling block
- cutting head
- laser cutting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 77
- 238000003698 laser cutting Methods 0.000 title claims abstract description 18
- 239000012212 insulator Substances 0.000 claims abstract description 21
- 230000006698 induction Effects 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 230000008676 import Effects 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 description 10
- 239000000498 cooling water Substances 0.000 description 7
- 239000000112 cooling gas Substances 0.000 description 4
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Landscapes
- Lasers (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a kind of cooling laser cutting heads, including nozzle and insulator, nozzle axle center is provided with the light channel passed through for laser, induction electrode of the nozzle as capacitance sensor, nozzle is provided with connector, insulator is connect with connector, the nozzle is connected by insulator and the insulation of laser rack, cooling block is provided between nozzle and insulator, cooling block and nozzle mutually contradict setting, by the way that cooling block is arranged on the nozzle as capacitance electrode, its cooling block contacts setting with nozzle, while cooling block carries out heat exchange, the nozzle to contact with each other with cooling block also carries out heat exchange, nozzle raised temperature during the work time is offset by setting cooling block, nozzle as capacitance electrode is able to maintain that a stable temperature, to guarantee that directly distance keeps stablizing for nozzle and plate, so that cutting effect is smooth It is even.
Description
Technical field
The present invention relates to laser cutting fields, and in particular to arrives a kind of cooling laser cutting head.
Background technique
High power laser light cutting has become the mainstay equipment of current sheet metal processing, high in machining efficiency, essence
The advantages that high is spent to favor by market.It is cut by laser not contactless cutting, laser cutting system passes through between nozzle and plate
Capacitor come incude cutting nozzles between plate at a distance from.Nozzle between plate at a distance from change and then influence the quality of cutting effect,
Such as laser is in carbon steel, gauged distance of the nozzle from plate is 0.7mm, and gauged distance is 0.5 milli when cutting stainless steel
Rice.
And when cutting thicker carbon steel (20 millimeters or more), plate temperature can persistently increase with the progress of cutting.This
When as induction electrode nozzle (material is red copper) it is also hot therewith, hot rear nozzle resistance becomes larger, between nozzle and plate
Capacitor also changes correspondingly.Nozzle then becomes unstable with a distance from plate, and then cut quality also declines therewith.
Summary of the invention
In view of the deficienciess of the prior art, it is an object of the invention to provide a kind of water cooling laser of effective cooling nozzles to cut
Head is cut, to keep the temperature of nozzle to stablize, and the stability as capacitance electrode of nozzle is kept, so that nozzle is from plate
Stable distance.
To achieve the above object, the present invention provides a kind of cooling laser cutting head, including nozzle and insulator, the nozzle
Axle center is provided with the light channel passed through for laser, induction electrode of the nozzle as capacitance sensor, and the nozzle is provided with
Connector, insulator are connect with connector, which is connected by insulator and the insulation of laser rack, the nozzle and insulator
Between be provided with cooling block, the cooling block and nozzle mutually contradict setting.
As a further improvement of the present invention, the cooling block includes cooling cycle channel, cooling cycle channel packet
Include the inlet and outlet for being located at cooling block periphery wall.
As a further improvement of the present invention, mounting hole is arranged in the cooling block, and mounting hole is set in nozzle or connection
External wall, cooling block and nozzle or connector outer wall are bonded to each other setting.
As a further improvement of the present invention, the cooling cycle channel is arranged in hole is fitted around.
As a further improvement of the present invention, the import relative level height is higher than the relative level height of outlet.
As a further improvement of the present invention, the material of the cooling block uses metal material, including but not limited to copper, copper
Alloy, aluminium, aluminium alloy.
As a further improvement of the present invention, the insulator is provided with the through-hole penetrated through on axial direction, which uses
It passes through in conducting wire and is conductively connected with nozzle.
As a further improvement of the present invention, the inlet and outlet is provided with connector, which is provided with mounting base
And adapter tube, the adapter tube is in cannula structure, and the adapter tube is set in inside mounting base, and is integrally formed with mounting base, described to connect
Pipe is connect for being mutually aligned with outer carrier pipe, and the mounting base and inlets or outlets are tightly connected, and the mounting base is to cold
But block outer exterior wall is extended with flange connector, and the flange connector is for being socketed outer carrier pipe.
As a further improvement of the present invention, it is coated with metal shell on the outside of the nozzle, metal shell ground connection setting,
Collets are provided between the metal shell and nozzle.
A kind of cooling laser cutting head provided by the invention, by the way that cooling block is arranged on the nozzle as capacitance electrode,
Its cooling block contacts setting with nozzle, and while cooling block carries out heat exchange, the nozzle to contact with each other with cooling block is also carried out
Heat exchange offsets nozzle raised temperature during the work time by setting cooling block, and the nozzle as capacitance electrode can
A stable temperature is maintained, to guarantee that directly distance keeps stablizing for nozzle and plate, so that cutting effect even uniform.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is schematic cross-sectional view of the invention.
Detailed description of the invention: 1, nozzle；2, insulator；3, light channel；4, connector；5, cooling block；6, cooling cycle channel；
7, import；8, it exports；9, mounting hole；10, through-hole；11, connector；12, mounting base；13, it takes over；14, flange connector；15, metal
Shell；16, collets.
Specific embodiment
The present invention is described in further detail below in conjunction with attached drawing and embodiment and effect example, rather than limits this hair
It is bright.
As shown in Figs. 1-2, a kind of cooling laser cutting head, including nozzle 1 and insulator 2,1 axle center of nozzle are provided with confession
The light channel 3 that laser passes through, induction electrode of the nozzle 1 as capacitance sensor, nozzle 1 are electrically connected with capacitance sensing
Device, the capacitance sensor are mounted on cutting head, and for detecting the nozzle 1 at a distance from plate, the capacitance sensor
The control unit of the control system of control cutting head oscilaltion is sent a message to, which is adjusted by control unit
For cutting head at a distance from plate, the nozzle 1 is provided with connector 4, and insulator 2 is connect with connector 4, which passes through exhausted
Edge body 2 and the insulation of laser rack connect, and cooling block 5, the cooling block 5 and nozzle are provided between the nozzle 1 and insulator 2
1 mutually contradicts setting, and the specific heat exchange mode of cooling block 5 can be by the way of the exchange of water cooling heat or using air
The mode of cooling heat exchange, cooling block 5 is bonded setting with it according to the shape of different nozzles 1, but does not limit both
Specific mounting structure, 1 lateral surface of nozzle can be set in, also can be set among nozzle 1 and insulator 2, so that cooling
Block 5 is stably mounted on cutting head, and insulator 2 is preferably ceramic body, plays buffer insulation effect.
As a kind of improved specific embodiment, the cooling block 5 includes cooling cycle channel 6, the cooling cycle
Channel 6 includes the import 7 and outlet 8 for being located at 5 periphery wall of cooling block, and cooling cycle channel 6 is arranged inside cooling block 5, uniformly
Heat exchange is carried out to cooling block 5, import 7 connects cooling delivery pipe perhaps cooling gas delivery pipe cooling water or cooling air
Body can control heat exchanger effectiveness by control cooling water or the flow velocity of cooling gas, cooling water and cooling gas
Booster pump is preferably connected on conveyance conduit, at the same be arranged regulating valve carry out coutroi velocity, it is additionally preferred to cooling water can use
Endless form, cooling water can install refrigeration auxiliary device on cooling water conveyance conduit if necessary.
As a kind of improved specific embodiment, mounting hole 9 is arranged in the cooling block 5, and mounting hole 9 is set in nozzle 1
Outer wall, when connector 4 is that nozzle 1 is wholely set, mounting hole 9 is set in 4 outer wall of connector, 5 lower end surface of cooling block and nozzle 1
Fitting setting, and it is bonded to each other setting with 4 outer wall of connector, by being arranged structure, more stable being mounted on of cooling block 5 is cut
It cuts on head, and big with the contact area of nozzle 1.
As a kind of improved specific embodiment, the cooling cycle channel 6 is in the setting of hole 9 is fitted around, so that cold
But the area of circulation canal 6 can greatly improve, and cooling cycle channel 6 is preferably circular passage, so that cooling medium is passing through
When frictional resistance it is smaller, and then improve heat conduction efficiency.
As a kind of improved specific embodiment, the 7 relative level height of import is higher than the relative level of outlet 8
Highly, under the auxiliary of not increasing pump, enable cooling water or cooling gas quickly through cooling cycle channel 6.
As a kind of improved specific embodiment, the material of the cooling block 5 uses metal material, including but not limited to
Copper, copper alloy, aluminium, aluminium alloy preferably use red copper, and red copper here refers to the industrial pure copper containing 99.9%.
As a kind of improved specific embodiment, the insulator 2 is provided with the through-hole 10 penetrated through on axial direction, should
Through-hole 10 is passed through for conducting wire and is conductively connected with nozzle 1, and the other end of conducting wire connects circuit board, connects electricity by circuit board
Source and capacitance sensor, it is compact-sized.
As a kind of improved specific embodiment, the import 7 and outlet 8 are provided with connector 11, which sets
Be equipped with mounting base 12 and adapter tube 13, the adapter tube 13 is in cannula structure, and the adapter tube 13 is set in inside mounting base 12, and with peace
Seat 12 is filled to be integrally formed, the adapter tube 13 is connect for being mutually aligned with outer carrier pipe, the mounting base 12 and import 7 or
Outlet 8 is tightly connected, which is extended with flange connector 14 to 5 outer exterior wall of cooling block, and the flange connector 14 is for covering
Outer carrier pipe is connect, by setting connector 11 to guarantee that delivery pipe and cooling block 5 are tightly connected, to prevent cooling medium from sewing.
As a kind of improved specific embodiment, it is coated with metal shell 15 on the outside of the nozzle 1, the metal shell 15
Ground connection setting, is provided with collets 16 between the metal shell 15 and nozzle 1, by the way that metal shell 15 is arranged, prevents from operating
It is accidentally touched when contact, guarantees safety of workers.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of cooling laser cutting head, it is characterised in that: including nozzle (1) and insulator (2), nozzle (1) axle center is opened
There are the light channel (3) passed through for laser, induction electrode of the nozzle (1) as capacitance sensor, nozzle (1) setting
Have connector (4), insulator (2) is connect with connector (4), which is connected by insulator (2) and the insulation of laser rack
It connects, is provided with cooling block (5) between the nozzle (1) and insulator (2), the cooling block (5) mutually contradicts with nozzle (1) and sets
It sets.
2. a kind of cooling laser cutting head according to claim 1, which is characterized in that the cooling block (5) includes cold
But circulation canal (6), the cooling cycle channel (6) include the import (7) and outlet (8) for being located at cooling block (5) periphery wall.
3. a kind of cooling laser cutting head according to claim 2, which is characterized in that cooling block (5) the setting installation
Hole (9), mounting hole (9) are set in nozzle (1) perhaps connector (4) outer wall cooling block (5) and nozzle (1) or connector (4)
Outer wall is bonded to each other setting.
4. a kind of cooling laser cutting head according to claim 3, which is characterized in that the cooling cycle channel (6) is in
It is fitted around hole (9) setting.
5. a kind of cooling laser cutting head according to claim 4, which is characterized in that import (7) relative level is high
Degree is higher than the relative level height of outlet (8).
6. a kind of cooling laser cutting head according to claim 1, which is characterized in that the material of the cooling block (5) is adopted
With metal material, including but not limited to copper, copper alloy, aluminium, aluminium alloy.
7. a kind of cooling laser cutting head according to claim 1, which is characterized in that the insulator (2) is provided with axis
The through-hole (10) penetrated through on direction, the through-hole (10) are passed through for conducting wire and are conductively connected with nozzle (1).
8. a kind of cooling laser cutting head according to claim 2, which is characterized in that the import (7) and outlet (8) are equal
Connector (11) are provided with, which is provided with mounting base (12) and adapter tube (13), and the adapter tube (13) is in cannula structure, institute
It states adapter tube (13) and is set in mounting base (12) inside, and be integrally formed with mounting base (12), the adapter tube (13) is used for and outside
Delivery pipe is mutually aligned connection, and the mounting base (12) and import (7) or outlet (8) are tightly connected, the mounting base (12) to
Cooling block (5) outer exterior wall is extended with flange connector (14), and the flange connector (14) is for being socketed outer carrier pipe.
9. a kind of cooling laser cutting head according to claim 1, which is characterized in that be coated on the outside of the nozzle (1)
Metal shell (15), the metal shell (15) ground connection setting, is provided with collets between the metal shell (15) and nozzle (1)
(16)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910278449.7A CN109894755A (en) | 2019-04-09 | 2019-04-09 | A kind of cooling laser cutting head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910278449.7A CN109894755A (en) | 2019-04-09 | 2019-04-09 | A kind of cooling laser cutting head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109894755A true CN109894755A (en) | 2019-06-18 |
Family
ID=66955450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910278449.7A Pending CN109894755A (en) | 2019-04-09 | 2019-04-09 | A kind of cooling laser cutting head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109894755A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110421276A (en) * | 2019-08-30 | 2019-11-08 | 佛山市宏石激光技术有限公司 | A kind of laser cutting head aqueous vapor one cooling device |
| CN111014989A (en) * | 2019-12-13 | 2020-04-17 | 济南邦德激光股份有限公司 | Cooling system, laser cutting system and cooling method |
| 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 |
| CN113245730A (en) * | 2021-06-15 | 2021-08-13 | 徐州诺派激光技术有限公司 | Laser device and laser device cladding capable of treating smoke and dust splash |
| WO2024045907A1 (en) * | 2022-08-29 | 2024-03-07 | 上海嘉强自动化技术有限公司 | Cooling structural body |
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2019
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110421276A (en) * | 2019-08-30 | 2019-11-08 | 佛山市宏石激光技术有限公司 | A kind of laser cutting head aqueous vapor one cooling device |
| CN110421276B (en) * | 2019-08-30 | 2023-09-19 | 广东宏石激光技术股份有限公司 | Water-air integrated cooling device for laser cutting head |
| CN111014989A (en) * | 2019-12-13 | 2020-04-17 | 济南邦德激光股份有限公司 | Cooling system, laser cutting system and cooling method |
| 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 |
| CN113245730A (en) * | 2021-06-15 | 2021-08-13 | 徐州诺派激光技术有限公司 | Laser device and laser device cladding capable of treating smoke and dust splash |
| WO2024045907A1 (en) * | 2022-08-29 | 2024-03-07 | 上海嘉强自动化技术有限公司 | Cooling structural body |
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