CN209206733U - Laser cutting head - Google Patents
Laser cutting head Download PDFInfo
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- CN209206733U CN209206733U CN201821849824.6U CN201821849824U CN209206733U CN 209206733 U CN209206733 U CN 209206733U CN 201821849824 U CN201821849824 U CN 201821849824U CN 209206733 U CN209206733 U CN 209206733U
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- nozzle
- focusing
- isolated tube
- pipe
- focusing lens
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Abstract
The utility model relates to a kind of laser cutting heads, including the isolated tube for focusing pipe, connection focuses the nozzle of pipe and is arranged in nozzle;It focuses in pipe and focusing lens is installed;The peripheral wall of nozzle is equipped with air inlet, and nozzle is equipped with venthole far from the one end for focusing pipe;Isolated tube is connect close to one end of focusing lens with duct occlusion is focused;The middle part of isolated tube is equipped with perforative loophole, projects from the venthole for passing through after the laser of focusing lens passes through isolated tube;The periphery wall of isolated tube and the inner wall interval of nozzle are arranged to form the gap of annular, which is connected to air inlet and venthole.Above-mentioned laser cutting head after gas enters in nozzle from air inlet, carries out water conservancy diversion to gas by isolated tube, the vapor in entry deterrence nozzle directly contacts focusing lens, plays the role of protecting focusing lens by being provided with isolated tube in nozzle;Meanwhile making to blow and more concentrate, improve processing effect.
Description
Technical field
The utility model relates to laser cutting technique fields, more particularly to a kind of laser cutting head.
Background technique
Laser cutting technique is widely used in the processing of metal and nonmetallic materials, can greatly reduce process time, drop
Low processing cost improves workpiece quality.Being cut by laser principle is that laser beam is irradiated to workpiece surface, and workpiece is made to reach fusing point or boiling
Point, while the high pressure gas coaxial with light beam will melt or gasified metal is blown away.With the movement of light beam and workpiece relative position,
Material is finally set to form joint-cutting, to achieve the purpose that cutting.
The cutting head of laser equipment generally has blowing structure, mainly plays protection focusing lens and improves cutting effect
Effect;Traditional cutting head can make the Water vapor condensation in air on focusing lens when blowing, and focusing lens is caused to damage;
In addition it blows and does not concentrate, influence processing effect.
Utility model content
Based on this, it is necessary to aiming at the problem that current traditional technology, provide a kind of laser cutting head.
A kind of laser cutting head, including focus pipe, connect it is described focus pipe nozzle and be arranged in the nozzle every
From pipe;Focusing lens are installed in the focusing pipe;The peripheral wall of the nozzle is equipped with air inlet, and the nozzle is far from the focusing
One end of pipe is equipped with venthole;The isolated tube is connect close to one end of focusing lens with the focusing duct occlusion;The isolation
The middle part of pipe is equipped with perforative loophole, penetrates from the venthole for passing through after the laser of focusing lens passes through isolated tube
Out;The inner wall interval of the periphery wall of the isolated tube and the nozzle is arranged to form the gap of annular, described in the connection of the gap
Air inlet and venthole.
Above-mentioned laser cutting head in nozzle by being provided with isolated tube, after gas enters in nozzle from air inlet, every
Water conservancy diversion is carried out to gas from pipe, gas is flowed around the periphery wall of isolated tube, then flowed towards the venthole direction of nozzle;By every
Water conservancy diversion is carried out to gas from pipe, the vapor in entry deterrence nozzle directly contacts focusing lens, plays protection focus lamp
The effect of piece;Meanwhile making to blow and more concentrate, improve processing effect.
The air inlet and the gap are just corresponding in one of the embodiments,.
In one of the embodiments, the outer focusing lens described without leave of the isolated tube towards the venthole direction gradually
Become smaller, and the clearance distance between the periphery wall of the isolated tube and the internal perisporium of nozzle is from the focusing lens towards the outlet
Hole direction becomes larger.
The isolated tube is bullet shape, cylindrical shape or the setting of square body shape in one of the embodiments,.
The nozzle is provided with ring joint, the ring far from one end of the venthole in one of the embodiments,
Shape connector is inserted into the focusing pipe.
The periphery wall of the ring joint is threadedly coupled with the internal perisporium for focusing pipe in one of the embodiments,.
The isolated tube is provided with ring block close to one end outer rim of the focusing lens in one of the embodiments,
The ring block is erected in the ring joint, and the periphery wall of the ring block is close to the peripheral wall in the focusing pipe.
The internal perisporium for focusing pipe is equipped with stepped groove, the side position of the focusing lens in one of the embodiments,
In in stepped groove.
Nut is also equipped in the focusing pipe in one of the embodiments, the nut is located at the focusing lens
Towards the side of the nozzle, the periphery wall of the nut is close to the internal perisporium for focusing pipe.
Washer is also equipped in the focusing pipe in one of the embodiments, the washer is located at the focusing lens
Between the nut, and the focusing lens and nut setting are close in the two sides of the washer respectively.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the laser cutting head of a better embodiment of the utility model;
Fig. 2 is the cross-sectional view of the laser cutting head of Fig. 1;
Fig. 3 is the exploded view of the laser cutting head of Fig. 1.
The meaning of each label in attached drawing are as follows:
Focusing pipe 10, focusing lens 11, stepped groove 12, nut 13, washer 14, nozzle 20, air inlet 21, venthole 22,
Ring joint 23, gas-tpe fitting 24, isolated tube 30, gap 31, ring block 32, loophole 33.
Specific embodiment
The utility model will be described more fully below for the ease of understanding the utility model,.But this is practical
It is novel to realize in many different forms, however it is not limited to embodiment described herein.On the contrary, providing these implementations
The purpose of example is to make the understanding of the disclosure of the utility model more thorough and comprehensive.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper",
There is no intermediary elements.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement are
For illustrative purposes.
Fig. 1 to Fig. 3 is please referred to, is the laser cutting head of one better embodiment of the utility model, including focuses pipe 10, connect
Connect the isolated tube 30 for focusing the nozzle 20 of pipe 10 and being arranged in nozzle 20;Fig. 2 and Fig. 3 is please referred to, focuses and is equipped in pipe 10
Focusing lens 11;The peripheral wall of nozzle 20 is equipped with air inlet 21, and ambient atmos enter in nozzle 20 from air inlet 21;Nozzle 20 is remote
It is equipped with venthole 22 from the one end for focusing pipe 10, the gas in nozzle 20 is blown on cutting workpiece from venthole 22;Isolated tube 30
One end and focus pipe 10 closing connect;The middle part of isolated tube 30 is equipped with perforative loophole 33, for passing through focusing lens 11
Laser pass through isolated tube 30 after projected from venthole 22;The inner wall interval of the periphery wall of isolated tube 30 and nozzle 20 be arranged with
The gap 31 of annular is formed, which is connected to air inlet 21 and venthole 22.Gas enters in nozzle 20 from air inlet 21
Afterwards, isolated tube 30 carries out water conservancy diversion to gas, and gas 21 is flowed around the periphery wall of isolated tube 30, then towards the venthole 22 of nozzle 20
Direction flowing.Further, air inlet 21 is positive corresponding with gap 31.
Referring to FIG. 2, the internal perisporium for focusing pipe 10 is equipped with stepped groove 12, the side of focusing lens 11 is located at stepped groove 12
It is interior.It focuses in pipe 10 and is also equipped with nut 13 and washer 14, nut 13 is located at focusing lens 11 towards the side of nozzle 20, nut
13 periphery wall is close to the internal perisporium for focusing pipe 10, and nut 13 with stepped groove 12 by cooperating washer 14 and focusing lens 11
It is fixed on and focuses in pipe 10.Washer 14 is between focusing lens 11 and nut 13, and the two sides of washer 14 are close to focus respectively
The setting of eyeglass 11 and nut 13, washer 14 are rubber material, have good resiliency, so that the setting of washer 14 is to prevent spiral shell
Mother 13 directly contacts focusing lens 11 and wears focusing lens 11.
Nozzle 20 is provided with ring joint 23 far from one end of venthole 22, and ring joint 23, which is inserted into, to be focused in pipe 10,
In the present embodiment, the periphery wall of ring joint 23 is threadedly coupled with the internal perisporium for focusing pipe 10.Gas is inserted in air inlet 21
One end of pipe fitting 24, gas-tpe fitting 24 is threadedly coupled with air inlet 21, and air inlet 21, gas are extended in one end of gas-tpe fitting 24
Pipe fitting is used to connect with extraneous tracheae.
Isolated tube 30 can be bullet shape, cylindrical shape, square body shape or other shapes setting;In the present embodiment,
Isolated tube 30 is circular cone shape, and the outer diameter self-focusing eyeglass 11 of isolated tube 30 gradually becomes smaller towards the direction of venthole 22, and every
With a distance from gap 31 between periphery wall from pipe 30 and the internal perisporium of nozzle 20 readme focusing lens 11 towards 22 direction of venthole by
Gradual change is big, has certain diversion effect towards the flowing of 22 direction of venthole to gap 31.Further, isolated tube 30 leans on proximity focused
One end outer rim of eyeglass 11 is provided with ring block 32, and ring block 32 is erected in ring joint 23, and the periphery wall of ring block 32
It is close to the internal perisporium for focusing pipe 10.
The laser cutting head of the utility model is entered by being provided with isolated tube 30, gas in nozzle 20 from air inlet 21
After in nozzle 20, isolated tube 30 carries out water conservancy diversion to gas, and gas is flowed around the periphery wall of isolated tube 30, then towards nozzle 20
The flowing of 22 direction of venthole;Water conservancy diversion is carried out to gas by isolated tube 30, the vapor in entry deterrence nozzle 20 directly contacts
To focusing lens 11, play the role of protecting focusing lens 11;Meanwhile making to blow and more concentrate, improve processing effect;In addition,
Reduce the resistance of gas, increase throughput, and reduce the space of 20 inner cavity of nozzle, indirectly increase air pressure, with
It is more energy saving under conditions of the same tolerance demand of conventional laser cutting head.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of laser cutting head, which is characterized in that including focusing pipe, connecting the nozzle for focusing pipe and setting described
Isolated tube in nozzle;Focusing lens are installed in the focusing pipe;The peripheral wall of the nozzle is equipped with air inlet, and the nozzle is remote
Venthole is equipped with from described one end for focusing pipe;The isolated tube connects close to one end of focusing lens and the focusing duct occlusion
It connects;The middle part of the isolated tube is equipped with perforative loophole, passes through after isolated tube for passing through the laser of focusing lens from described
It is projected in venthole;The inner wall interval of the periphery wall of the isolated tube and the nozzle is arranged to form the gap of annular, between being somebody's turn to do
Gap is connected to the air inlet and venthole.
2. a kind of laser cutting head according to claim 1, which is characterized in that the air inlet and the gap face
It answers.
3. a kind of laser cutting head according to claim 1, which is characterized in that the outer focusing described without leave of the isolated tube
Eyeglass gradually becomes smaller towards the venthole direction, and the clearance distance between the periphery wall of the isolated tube and the internal perisporium of nozzle
It is become larger from the focusing lens towards the venthole direction.
4. a kind of laser cutting head according to claim 1, which is characterized in that the isolated tube is bullet shape, cylinder
Body shape or the setting of square body shape.
5. a kind of laser cutting head according to claim 1, which is characterized in that the nozzle far from the venthole one
End is provided with ring joint, and the ring joint is inserted into the focusing pipe.
6. a kind of laser cutting head according to claim 5, which is characterized in that the periphery wall of the ring joint with it is described
The internal perisporium for focusing pipe is threadedly coupled.
7. a kind of laser cutting head according to claim 5, which is characterized in that the isolated tube is close to the focusing lens
One end outer rim be provided with ring block, the ring block is erected in the ring joint, and the periphery wall of the ring block with
The internal perisporium for focusing pipe is close to.
8. a kind of laser cutting head according to claim 1, which is characterized in that the internal perisporium for focusing pipe is equipped with ladder
The side of slot, the focusing lens is located in stepped groove.
9. a kind of laser cutting head according to claim 8, which is characterized in that it is also equipped with nut in the focusing pipe,
The nut is located at the focusing lens towards the side of the nozzle, the periphery wall of the nut and the inner circumferential for focusing pipe
Wall is close to.
10. a kind of laser cutting head according to claim 9, which is characterized in that it is also equipped with washer in the focusing pipe,
The washer between the focusing lens and the nut, and the two sides of the washer be close to respectively the focusing lens and
The nut setting.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821849824.6U CN209206733U (en) | 2018-11-09 | 2018-11-09 | Laser cutting head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821849824.6U CN209206733U (en) | 2018-11-09 | 2018-11-09 | Laser cutting head |
Publications (1)
Publication Number | Publication Date |
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CN209206733U true CN209206733U (en) | 2019-08-06 |
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ID=67458898
Family Applications (1)
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CN201821849824.6U Active CN209206733U (en) | 2018-11-09 | 2018-11-09 | Laser cutting head |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113798694A (en) * | 2021-09-10 | 2021-12-17 | 奔腾激光(温州)有限公司 | 2-kilowatt low-pressure cutting process |
-
2018
- 2018-11-09 CN CN201821849824.6U patent/CN209206733U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113798694A (en) * | 2021-09-10 | 2021-12-17 | 奔腾激光(温州)有限公司 | 2-kilowatt low-pressure cutting process |
CN113798694B (en) * | 2021-09-10 | 2023-08-25 | 奔腾激光(浙江)股份有限公司 | Low-pressure cutting process of 2W |
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