CN210188839U - Cutting air current direction subassembly and laser cutting head - Google Patents
Cutting air current direction subassembly and laser cutting head Download PDFInfo
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- CN210188839U CN210188839U CN201920688112.9U CN201920688112U CN210188839U CN 210188839 U CN210188839 U CN 210188839U CN 201920688112 U CN201920688112 U CN 201920688112U CN 210188839 U CN210188839 U CN 210188839U
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Abstract
The utility model relates to the technical field of auxiliary gas guiding, and provides a cutting airflow guiding assembly and a laser cutting head, which comprises a gas guide seat and a hollow first guiding piece supported on the gas guide seat, wherein the gas guide seat is provided with a gas cavity, a first gas inlet channel and a second gas inlet channel; one end of the first air inlet channel extends to the outer wall of the air guide seat to form a first air inlet, and the other end of the first air inlet channel extends to the side wall of the air cavity to form a first air outlet; one end of the second air inlet channel extends to the outer wall of the air guide seat to form a second air inlet, and the other end of the second air inlet channel extends to the side wall of the air cavity to form a second air outlet; a first air groove and a second air groove are formed between the outer wall of the first guide piece and the side wall of the air cavity, the first air groove is communicated with the first air inlet channel and the air cavity, and the second air groove is communicated with the second air inlet channel and the air cavity. Compared with the prior art, the cutting device has the advantages that the entering gas can be uniformly converted into the outlet gas flow, the flow rate of the cutting gas flow is more stable, and the cutting effect is effectively improved.
Description
Technical Field
The utility model belongs to the technical field of the technique of supplementary gas direction and specifically relates to a cutting air current direction subassembly and laser cutting head are related to.
Background
At present, laser cutting head accounts for the most of the factors of laser cutting quality in laser cutting machine, wherein, the air current direction of the nozzle of cutting head and the flowing direction of air current account for most of the influence to cutting formation, and the air current guider is not had in the air current of the business turn over cutting head of most of cutting head on the market, leads to cutting air current unstability even among the cutting process, and is formed badly to the cutting section of panel.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cutting air current direction subassembly and laser cutting head to the air current is unstable in the cutting head that exists among the solution prior art, the poor technical problem of cutting effect.
The utility model provides a pair of cutting air current direction subassembly for the air guide of laser cutting head, the laser cutting head is including a focus installation section of thick bamboo and cutting nozzle, cutting air current direction subassembly includes:
the air guide seat is connected between the focusing installation cylinder and the cutting nozzle and is provided with an air cavity, a first air inlet channel and a second air inlet channel; the gas cavity penetrates through the top surface and the bottom surface of the gas guide seat; and
a hollow first guide member supported on the air guide base;
one end of the first air inlet channel extends to the outer wall of the air guide seat to form a first air inlet, and the other end of the first air inlet channel extends to the side wall of the air cavity to form a first air outlet; one end of the second air inlet channel extends to the outer wall of the air guide seat to form a second air inlet, and the other end of the second air inlet channel extends to the side wall of the air cavity to form a second air outlet; a first air groove and a second air groove are formed between the outer wall of the first guide piece and the side wall of the air cavity, the first air groove is communicated with the first air inlet channel and the air cavity, and the second air groove is communicated with the second air inlet channel and the air cavity.
Further, the gas guide seat has a circular cross section, and the first gas inlet passage and the second gas inlet passage both extend radially from the gas cavity to an outer wall of the gas guide seat.
Further, the first air intake passage and the second air intake passage are arranged at equal intervals in the circumferential direction of the air guide seat.
Further, first guide includes the ring body that returns, the outer wall epirelief of returning the ring body is formed with a plurality of fins, and is a plurality of the fin is followed the axial extension of returning the ring body reaches the bottom of returning the ring body, the outer wall of first guide, the lateral wall in gaseous chamber and adjacent define jointly between the fin first air duct with the second air duct.
Furthermore, the outer wall of the ring body is concavely provided with a buffer groove, the buffer groove extends along the whole circumferential direction of the ring body and is respectively communicated with the first air inlet channel and the first air groove, and the second air inlet channel and the second air groove.
Furthermore, the air guide seat comprises a first air seat, a second air seat, a third air seat and a fourth air seat which are sequentially connected from top to bottom, the first air seat is fixedly connected with the focusing installation cylinder, and the cutting nozzle is fixed on the fourth air seat; the gas cavity is composed of a first cavity positioned on the first gas holder, a second cavity positioned on the third gas holder and a third cavity positioned on the fourth gas holder.
Further, the inner diameter of the gas cavity tapers towards the cutting nozzle.
Further, be provided with the second guide in the cutting nozzle, the second guide has the air guide hole, the air guide hole towards the bottom of cutting nozzle is the internal diameter and reduces the setting.
Furthermore, a cooling water path is arranged in the air guide seat.
The utility model provides a pair of laser cutting head, including foretell cutting air current direction subassembly.
Compared with the prior art, the utility model provides a cutting air current direction subassembly, including air guide seat and first guide, the air guide seat has the gas chamber, first inlet channel and second inlet channel, is formed with first gas tank and second gas tank between the lateral wall in the outer wall of first guide and gas chamber, like this, through air guide seat and first guide, can make the gas of entering evenly turn into the export air current, the velocity of flow of cutting air current is more stable, has improved the cutting effect effectively.
Compared with the prior art, the laser cutting head provided by the utility model adopts the cutting airflow guide component, so that the cutting airflow is smoother and more stable, the forming effect of the cutting section of the plate is effectively improved, and the cutting quality is improved; in addition, the gas pressure at the outlet is increased, and the probability that cutting slag splashes to enter the interior of the laser cutting head is reduced.
Drawings
Fig. 1 is a schematic cross-sectional view of a laser cutting head according to an embodiment of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
Description of the main elements
100: cutting airflow guide assembly
10: air guide seat 11: gas cavity
111: first cavity 112: second cavity
113: third cavity
1 a: first gas tank 1 b: second air tank
12: first air intake passage 13: second air intake passage
121: first air inlet 122: first air outlet
131: second air intake port 132: second air outlet
14: first air seat 15: second air seat
16: third air seat 17: fourth air seat
18: connecting ring 19: cooling water channel
20: first guide 21: limit flange
22: the convex ribs 23: buffer tank
30: second guide 31: air guide hole
200: laser cutting head 201: focusing installation cylinder
202: the cutting nozzle 203: focusing mirror assembly
204: protective mirror assembly
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It is to be understood that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description is provided for the implementation of the present invention with reference to the specific drawings.
For convenience of description, the terms "upper" and "lower" are used in the same direction as the upper and lower directions of the drawings, but do not limit the structure of the present invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.
As shown in fig. 1 and 2, a preferred embodiment of the present invention is provided.
The cutting airflow guide assembly 100 provided by the present embodiment is used for guiding air of a laser cutting head 200, the laser cutting head 200 comprises a focusing installation cylinder 201 and a cutting nozzle 202, wherein the cutting airflow guide assembly 100 comprises an air guide seat 10 and a hollow first guide 20 supported on the air guide seat 10, the air guide seat 10 is connected between the focusing installation cylinder 201 and the cutting nozzle 202, and has an air cavity 11, a first air inlet channel 12 and a second air inlet channel 13; the gas cavity 11 is arranged through the top surface and the bottom surface of the gas guide seat 10; one end of the first air inlet channel 12 extends to the outer wall of the air guide seat 10 and forms a first air inlet 121, and the other end extends to the side wall of the air cavity 11 and forms a first air outlet 122; one end of the second air inlet channel 13 extends to the outer wall of the air guide seat 10 and forms a second air inlet 131, and the other end extends to the side wall of the gas cavity 11 and forms a second air outlet 132; a first air groove 1a and a second air groove 1b are formed between the outer wall of the first guide 20 and the side wall of the gas chamber 11, the first air groove 1a communicates the first air inlet passage 12 with the gas chamber 11, and the second air groove 1b communicates the second air inlet passage 13 with the gas chamber 11.
The cutting gas flow guide assembly 100 comprises the gas guide seat 10 and the first guide member 20, wherein the gas guide seat 10 is provided with the gas cavity 11, the first gas inlet channel 12 and the second gas inlet channel 13, and the first gas groove 1a and the second gas groove 1b are formed between the outer wall of the first guide member 20 and the side wall of the gas cavity 11, so that the gas guide seat 10 and the first guide member 20 can uniformly convert the entering gas into the outlet gas flow, the flow rate of the cutting gas flow is more stable, and the cutting effect is effectively improved.
Referring to fig. 1 and 2, the cutting gas flow guide assembly 100 of the present embodiment includes a gas guide 10 and a first guide member 20, and the first guide member 20 is supported on the gas guide 10. In this embodiment, the upper end (upper end shown in the figure) of the air guide 10 is fixedly connected to the focus mounting cylinder 201, the cutting nozzle 202 is mounted at the lower end (lower end shown in the figure) of the air guide 10, the air guide 10 has a circular cross section, and the air guide 10 has an air cavity 11, a first air inlet channel 12 and a second air inlet channel 13. The gas cavity 11 is disposed through the top and bottom surfaces of the gas guide 10, the laser path in the focusing mounting tube 201 can be emitted out of the cutting nozzle 202 through the gas cavity 11 of the gas guide 10, the gas cavity 11 is substantially in a conical shape, and the inner diameter thereof is gradually reduced toward the cutting nozzle 202. One end of the first air inlet channel 12 extends to the outer wall of the air guide seat 10 and forms a first air inlet 121, and the other end extends to the side wall of the air cavity 11 and forms a first air outlet 122; one end of the second air inlet channel 13 extends to the outer wall of the air guide seat 10 and forms a second air inlet 131, and the other end extends to the side wall of the gas cavity 11 and forms a second air outlet 132. The first air inlet channel 12 and the second air inlet channel 13 are respectively connected with an air source (not shown), so that air enters the air cavity 11 from the first air inlet channel 12 and the second air inlet channel 13 respectively and is blown out from the cutting nozzle 202, and the first air inlet channel 12 and the second air inlet channel 13 are adopted, so that the effect of stable air inlet can be achieved.
With continued reference to fig. 1 and 2, a first air groove 1a and a second air groove 1b are formed between the outer wall of the first guide 20 and the side wall of the gas cavity 11, the first air groove 1a communicates the first air inlet channel 12 with the gas cavity 11, and the second air groove 1b communicates the second air inlet channel 13 with the gas cavity 11, it can be understood that the first guide 20 disposed in the gas cavity 11 enables the air inlet to be uniformly converted into the outlet air flow, the flow rate of the cutting air flow is more stable, and the cutting effect is better.
Referring to fig. 1 and 2, in the present embodiment, the first air inlet channel 12 and the second air inlet channel 13 both extend radially from the air cavity 11 to the outer wall of the air guide seat 10, and the central line of the first air inlet channel 12 and the central line of the second air inlet channel 13 are both located on the same cross section, and the first air inlet channel 12 and the second air inlet channel 13 are arranged at equal intervals in the circumferential direction of the air guide seat 10, that is, the first air inlet channel 12 and the second air inlet channel 13 are arranged symmetrically left and right and are spaced by 180 °, so that the air flow of the air inlet is increased by changing a single air inlet into two symmetrical air inlets left and right.
Referring to fig. 1 and 2, in the present embodiment, the first guide member 20 includes a loop body, a limiting flange 21 extending outward is formed on an outer wall of a top end of the loop body, and a limiting groove into which the limiting flange 21 is inserted is formed at a top end of the air guide seat 10. The outer wall of the loop body is convexly provided with a plurality of convex ribs 22, the plurality of convex ribs 22 extend to the bottom end of the loop body along the axial direction of the loop body, and a first air groove 1a and a second air groove 1b are defined between the outer wall of the first guide 20, the side wall of the air cavity 11 and the adjacent convex ribs 22. It is worth mentioning that the guiding effect of the incoming gas can be mentioned by the ribs 22 formed on the outer wall.
Referring to fig. 1 and 2, in the present embodiment, a buffer groove 23 is concavely formed on the outer wall of the loopback body, and the buffer groove 23 extends along the entire circumference of the loopback body and communicates the first air inlet channel 12 and the first air groove 1a, and the second air inlet channel 13 and the second air groove 1b, respectively. It should be noted that, the buffer groove 23 is used to buffer and guide the entering gas, so that the gas flow is more stable.
Referring to fig. 1 and 2, in the present embodiment, the air guide seat 10 includes a first air seat 14, a second air seat 15, a third air seat 16 and a fourth air seat 17, which are sequentially connected from top to bottom, the first air seat 14 is connected and fixed with the focusing installation cylinder 201, and the cutting nozzle 202 is fixed on the fourth air seat 17; the gas chamber 11 is formed by a first chamber 111 located on the first gas holder 14, a second chamber 112 located on the third gas holder 16, and a third chamber 113 located on the fourth gas holder 17. The first air seat 14 and the focusing installation cylinder 201, the first air seat 14 and the second air seat 15, the second air seat 15 and the third air seat 16, the third air seat 16 and the fourth air seat 17, and the fourth air seat 17 and the cutting nozzle 202 are hermetically connected, and a connecting ring 18 is arranged between the first air seat 14 and the second air seat 15.
Referring to fig. 1 and 2, in the present embodiment, a cooling water path 19 is provided in the gas guide 10, so that heat generated during cutting can be taken away by water circulating in the cooling water path 19 to lower the temperature of the laser cutting head 200.
Referring to fig. 1 and 2, in the present embodiment, a second guide 30 is provided in the cutting nozzle 202, and the second guide 30 has air holes 31, and the air holes 31 are arranged with a reduced inner diameter toward the bottom end of the cutting nozzle 202.
The laser cutting head 200 provided by the embodiment comprises a focusing installation cylinder 201, a cutting nozzle 202, a focusing mirror assembly 203, a protective mirror assembly 204 and the cutting airflow guide assembly 100. The laser cutting head 200 adopts the cutting airflow guide assembly 100, so that the cutting airflow is smoother and more stable, the forming effect of the cutting section of the plate is effectively improved, and the cutting quality is improved; in addition, the gas pressure at the outlet is increased, and the probability of cutting slag splashing into the laser cutting head 200 is reduced.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (10)
1. A cutting gas flow guide assembly for gas guiding a laser cutting head, the laser cutting head including a focusing mounting cylinder and a cutting nozzle, the cutting gas flow guide assembly comprising:
the air guide seat is connected between the focusing installation cylinder and the cutting nozzle and is provided with an air cavity, a first air inlet channel and a second air inlet channel; the gas cavity penetrates through the top surface and the bottom surface of the gas guide seat; and
a hollow first guide member supported on the air guide base;
one end of the first air inlet channel extends to the outer wall of the air guide seat to form a first air inlet, and the other end of the first air inlet channel extends to the side wall of the air cavity to form a first air outlet; one end of the second air inlet channel extends to the outer wall of the air guide seat to form a second air inlet, and the other end of the second air inlet channel extends to the side wall of the air cavity to form a second air outlet; a first air groove and a second air groove are formed between the outer wall of the first guide piece and the side wall of the air cavity, the first air groove is communicated with the first air inlet channel and the air cavity, and the second air groove is communicated with the second air inlet channel and the air cavity.
2. The cutting gas flow guide assembly of claim 1, wherein the gas block has a circular cross-section, and the first gas inlet passage and the second gas inlet passage each extend radially from the gas cavity to an outer wall of the gas block.
3. The cutting airflow guide assembly of claim 2 wherein said first and second air inlet passages are equally spaced circumferentially of said air guide.
4. The cutting gas flow guide assembly according to any one of claims 1 to 3, wherein the first guide member includes a loop body, a plurality of ribs are formed on an outer wall of the loop body, the plurality of ribs extend to a bottom end of the loop body along an axial direction of the loop body, and the outer wall of the first guide member, the side wall of the gas chamber and the adjacent ribs jointly define the first gas groove and the second gas groove.
5. The cutting gas flow guide assembly as claimed in claim 4, wherein the outer wall of the reverse ring body is recessed to form a buffer groove, the buffer groove extends along the entire circumference of the reverse ring body and is communicated with the first gas inlet channel and the first gas groove, and the second gas inlet channel and the second gas groove, respectively.
6. The cutting airflow guide assembly according to any one of claims 1 to 3, wherein the air guide seat comprises a first air seat, a second air seat, a third air seat and a fourth air seat which are sequentially connected from top to bottom, the first air seat is fixedly connected with the focusing installation cylinder, and the cutting nozzle is fixedly arranged on the fourth air seat; the gas cavity is composed of a first cavity positioned on the first gas holder, a second cavity positioned on the third gas holder and a third cavity positioned on the fourth gas holder.
7. The cutting gas flow guide assembly of any one of claims 1 to 3, wherein the inner diameter of the gas chamber tapers towards the cutting tip.
8. The cutting gas flow guide assembly according to any one of claims 1 to 3, wherein a second guide member is provided in the cutting nozzle, the second guide member having gas holes arranged with a decreasing inner diameter towards the bottom end of the cutting nozzle.
9. The cutting airflow guide assembly of any one of claims 1 to 3 wherein a cooling water path is provided in the air guide seat.
10. A laser cutting head comprising a cutting gas flow guide assembly according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920688112.9U CN210188839U (en) | 2019-05-14 | 2019-05-14 | Cutting air current direction subassembly and laser cutting head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920688112.9U CN210188839U (en) | 2019-05-14 | 2019-05-14 | Cutting air current direction subassembly and laser cutting head |
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| Publication Number | Publication Date |
|---|---|
| CN210188839U true CN210188839U (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920688112.9U Active CN210188839U (en) | 2019-05-14 | 2019-05-14 | Cutting air current direction subassembly and laser cutting head |
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| CN (1) | CN210188839U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118326521A (en) * | 2024-06-13 | 2024-07-12 | 瑶光半导体(浙江)有限公司 | Gas protection device of laser annealing equipment and laser annealing equipment |
-
2019
- 2019-05-14 CN CN201920688112.9U patent/CN210188839U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118326521A (en) * | 2024-06-13 | 2024-07-12 | 瑶光半导体(浙江)有限公司 | Gas protection device of laser annealing equipment and laser annealing equipment |
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Address after: 518000 floors 1-5, No. 8179-1, Bao'an Avenue, Digang community, Shajing street, Bao'an District, Shenzhen, Guangdong Province Patentee after: Baichao (Shenzhen) Laser Technology Co.,Ltd. Address before: 518000 No. 5 Shajing Street Center Road, Baoan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen DNE Laser Science and Technology Co.,Ltd. |