A laser cutting head with an integrated gas circuit

Abstract

The utility model provides a kind of laser cutting head with integrated gas circuit structure, including by upper to lower setting laser connector, laser mirror module and cutting nozzle, installation step is provided on laser connector, and installation step is provided with blowing interface, first air passage, second air passage and third air passage are respectively provided in laser connector, laser mirror module and cutting nozzle, first air passage, second air passage and third air passage are sequentially communicated, blowing interface is communicated with first air passage, first air passage, second air passage and third air passage are provided with first air passage sealing element at adjacent air passage connection, blowing interface can be accessed gas and be processed blowing by third air passage auxiliary cutting nozzle.Affirmative effect is: by fixing blowing interface on installation step, it can effectively avoid blowing interface to interfere with both sides of laser cutting head, and can flexibly adapt to the use demand of different users, improve the flexibility of laser cutting head use and user's use experience.

Description

Technical Field

[0001] This utility model relates to the field of laser cutting device technology, specifically to a laser cutting head with an integrated gas path structure. Background Technology

[0002] With the development of science and technology, my country's manufacturing industry is facing a transformation towards high-end and intelligent manufacturing. As a basic processing technology, laser technology is increasingly penetrating all aspects of industrial production. Laser cutting is a technology that uses a high-power-density fiber laser beam to irradiate the material being cut, causing the irradiated part of the material to vaporize and form tiny holes. As the fiber laser beam moves, the holes are continuously formed to complete the cutting process.

[0003] Laser cutting heads typically have a blow-through port on the cutting nozzle, to which a gas tube connects. The cutting nozzle contains a blow-through channel, into which gas is introduced through the gas tube. As the laser cutting head cuts, the gas blows away debris and dust generated during the cutting process, keeping the working area clear and preventing a decline in cutting quality. Furthermore, certain types of gases (such as nitrogen or argon) can also be used as protective gases to prevent undesirable chemical reactions between the cutting part and oxygen in the air at high temperatures.

[0004] However, most existing air blowing interfaces are installed on the left or right side of the laser cutting head. This makes it easy for the air blowing interface to interfere with the movement of the laser cutting head, and the air blowing interface is prone to collision during the movement. In addition, depending on the usage needs of different users, the air blowing interface may be required to be set on the left or right side. This results in low flexibility in the use of the laser cutting head and fails to meet the usage needs of users. Utility Model Content

[0005] To address the problems in the existing technology, this utility model provides a laser cutting head with an integrated air path structure, which solves the problem of low flexibility in the use of laser cutting heads where the air blowing interface is located on both sides.

[0006] This utility model discloses a laser cutting head with an integrated air circuit structure, comprising a laser connector, a laser mirror module, and a cutting nozzle arranged from top to bottom. The laser connector has an installation step, and an air blowing interface is provided on the installation step. The laser connector, laser mirror module, and cutting nozzle are respectively provided with a first air channel, a second air channel, and a third air channel, which are sequentially connected. The air blowing interface is connected to the first air channel. A first air channel seal is provided at the connection point of the first, second, and third air channels to improve the sealing performance at the connection point of the first, second, and third air channels. The air blowing interface can receive gas and blow it through the third air channel to assist the cutting nozzle in processing.

[0007] This utility model is further improved, and the laser mirror module includes a collimation protection mirror assembly, an adjustment mirror assembly, and a focusing protection mirror assembly.

[0008] The present invention is further improved in that the collimation protection mirror assembly includes a collimation protection mirror mounting bracket and a collimation protection mirror drawer, and the collimation protection mirror mounting bracket is provided with a first airflow channel that penetrates the upper and lower surfaces of the collimation protection mirror mounting bracket.

[0009] The present invention is further improved in that the adjustment mirror assembly includes an adjustment mirror mounting bracket, a collimation component and a focusing mirror component, and the adjustment mirror mounting bracket is provided with a second airflow channel that penetrates the upper and lower surfaces of the adjustment mirror mounting bracket.

[0010] This utility model is further improved. The focusing protection lens assembly includes a focusing protection lens mounting bracket and a focusing protection lens drawer. The focusing protection lens mounting bracket is provided with a third airflow channel that runs through the upper and lower surfaces of the focusing protection lens mounting bracket. The second airflow channel is composed of a first airflow channel, a second airflow channel and a third airflow channel.

[0011] This utility model is further improved by providing a second air passage seal at the connection between the first air passage, the second air passage, and the third air passage. The second air passage seal can improve the sealing performance at the connection between the first air passage, the second air passage, and the third air passage.

[0012] This utility model is further improved. The cutting nozzle includes an airtight sleeve and a cutting nozzle body. A laser channel is provided inside the cutting nozzle body. A connector is provided at the upper end of the cutting nozzle body. A connecting cavity for accommodating the connector is provided on the laser mirror module. Multiple air inlets are provided on the airtight sleeve, and the air inlets communicate with the second air channel. A sealing boss that mates with the inner wall of the airtight sleeve is provided on the connector. The airtight sleeve is fitted on the connector. A guide flange that mates with the upper end of the airtight sleeve is provided. The sealing boss can improve the airtightness of the fit between the airtight sleeve and the lower end of the connector. The guide flange can guide the airflow through the air inlets into the laser channel. The third air channel is composed of the inner wall of the airtight sleeve and the outer wall of the connector. The two ends of the third air channel are respectively connected to the air inlets and the laser channel.

[0013] This utility model is further improved by having multiple air inlets evenly arranged around the connector.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model provides a laser cutting head with an integrated air path structure. By adopting this structure, it can effectively solve the problem of low flexibility in the use of laser cutting heads in the prior art due to the air blowing interface being located on both sides. By fixing the air blowing interface on the mounting step and extending one end of the air passage to the laser head connector, it can effectively avoid interference between the air blowing interface and both sides of the laser cutting head, and can flexibly adapt to the usage needs of different users, thereby improving the flexibility of the laser cutting head and the user experience. Attached Figure Description

[0015] To more clearly illustrate the solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0016] Figure 1 A schematic diagram of the overall structure of a laser cutting head with an integrated air circuit structure; Figure 2 This is a schematic diagram of a laser cutting head with an integrated air circuit structure from another perspective. Figure 3 for Figure 2 Sectional view along the AA direction; Figure 4 This is a schematic diagram of the cutting nozzle structure; Figure 5 This is a cross-sectional view of the cutting nozzle. Detailed Implementation

[0017] Unless otherwise defined, all technical and scientific terms used in this invention have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The terms "comprising" and "having," and any variations thereof, in the specification, claims, and accompanying drawings are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, and accompanying drawings are used to distinguish different objects, not to describe a particular order.

[0018] In this invention, the reference to "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this invention. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it a mutually exclusive, independent, or alternative embodiment to other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described in this invention can be combined with other embodiments.

[0019] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0020] like Figure 1-5 As shown, this utility model discloses a laser cutting head with an integrated air path structure, comprising a laser connector 1, a laser mirror module, and a cutting nozzle 5 arranged from top to bottom. The laser connector 1 is provided with a mounting step 101, and the mounting step 101 is provided with an air blowing interface 6. The laser connector 1, the laser mirror module, and the cutting nozzle 5 are respectively provided with a first air passage 10, a second air passage 11, and a third air passage 12, which are sequentially connected. The air blowing interface 6 is connected to the first air passage 10. The first air passage 10, the second air passage 11, and the third air passage 12 are provided with a first air passage seal at the connection of adjacent air passages. The first air passage seal can improve the sealing performance of the first air passage 10, the second air passage 11, and the third air passage 12 at the connection of adjacent air passages. The air blowing interface 6 can receive gas and blow it through the third air passage 12 to assist the cutting nozzle 5 in processing.

[0021] By fixing the air blowing port 6 to the mounting step 101 and extending one end of the air passage to the laser head connector, interference between the air blowing port 6 and both sides of the laser cutting head can be effectively avoided. This also allows for flexible adaptation to the needs of different users, improving the flexibility of using the laser cutting head and enhancing the user experience.

[0022] The laser mirror module includes a collimation protection mirror assembly 2, an adjustment mirror assembly 3, and a focusing protection mirror assembly 4.

[0023] The collimation protection mirror assembly 2 includes a collimation protection mirror mounting bracket and a collimation protection mirror drawer. The collimation protection mirror mounting bracket is provided with a first airflow channel that runs through the upper and lower surfaces of the collimation protection mirror mounting bracket.

[0024] The adjustment mirror assembly 3 includes an adjustment mirror mounting bracket, a collimation component, and a focusing mirror assembly. The adjustment mirror mounting bracket is provided with a second airflow channel that penetrates the upper and lower surfaces of the adjustment mirror mounting bracket.

[0025] The focusing protection lens assembly 4 includes a focusing protection lens mounting bracket and a focusing protection lens drawer. The focusing protection lens mounting bracket is provided with a third airflow channel that runs through the upper and lower surfaces of the focusing protection lens mounting bracket. The second airflow channel 11 is composed of a first airflow channel, a second airflow channel and a third airflow channel.

[0026] A second air passage 11 sealing element is provided at the connection between the first air passage, the second air passage and the third air passage. The sealing performance of the connection between the first air passage, the second air passage and the third air passage can be improved by the provision of the second air passage 11 sealing element.

[0027] The cutting nozzle 5 includes an airtight sleeve 51 and a cutting nozzle body 52. ​​A laser channel 520 is provided inside the cutting nozzle body 52. ​​A connector 521 is provided at the upper end of the cutting nozzle body 52. ​​A connecting cavity for accommodating the connector 521 is provided on the laser mirror module. Multiple air inlets 510 are provided on the airtight sleeve 51, and the air inlets 510 communicate with the second air passage 11. A sealing boss 522 that mates with the inner wall of the airtight sleeve 51 is provided on the connector 521. The airtight sleeve 51 is fitted onto the connector 521. 1. The upper end of the airtight sleeve 51 is provided with a guide flange 511 that cooperates with the upper end of the laser channel 520. The sealing boss 522 can improve the airtightness of the airtight sleeve 51 and the lower end of the connector 521. The guide flange 511 can guide the airflow through the air inlet 510 into the laser channel 520. The third air channel 12 is composed of the inner wall of the airtight sleeve 51 and the outer wall of the connector 521, and the two ends of the third air channel 12 are respectively connected to the air inlet 510 and the laser channel 520.

[0028] The sealing boss 522 seals the lower end of the airtight sleeve 51 and the connector 521, allowing airflow to flow out from the guide flange 511. The third air passage 12 is composed of the inner wall of the airtight sleeve 51 and the outer wall of the connector 521, making the component processing more convenient.

[0029] Multiple air inlets 510 are evenly arranged around the connector 521. This even arrangement allows airflow to flow evenly into the laser channel 520.

[0030] As can be seen from the above, the beneficial effects of this utility model are: it can effectively solve the problem of low flexibility in the use of laser cutting heads due to the air blowing interface 6 being located on both sides in the prior art. By fixing the air blowing interface 6 on the mounting step 101 and extending one end of the air passage to the laser head connector, it can effectively avoid interference between the air blowing interface 6 and both sides of the laser cutting head, and can flexibly adapt to the usage needs of different users, thereby improving the flexibility of the use of the laser cutting head and the user experience.

[0031] The specific embodiments described above are preferred embodiments of this utility model, and are not intended to limit the specific scope of this utility model. The scope of this utility model includes but is not limited to the specific embodiments described above. All equivalent changes made in accordance with this utility model are within the protection scope of this utility model.

Claims

1. A laser cutting head with an integrated gas path structure, characterized in that: The device includes a laser connector, a laser mirror module, and a cutting nozzle arranged from top to bottom. The laser connector has a mounting step, and the mounting step has an air blowing port. The laser connector, laser mirror module, and cutting nozzle each have a first air channel, a second air channel, and a third air channel, which are sequentially connected. The air blowing port is connected to the first air channel. The first air channel, second air channel, and third air channel have a first air channel seal at the connection point of adjacent air channels. The first air channel seal can improve the sealing performance of the first air channel, second air channel, and third air channel at the connection point of adjacent air channels. The air blowing port can receive gas and blow it through the third air channel to assist the cutting nozzle in processing.

2. The laser cutting head with an integrated gas path structure according to claim 1, characterized in that: The laser mirror module includes a collimation protection mirror assembly, an adjustment mirror assembly, and a focusing protection mirror assembly.

3. The laser cutting head with an integrated gas path structure according to claim 2, characterized in that: The collimation protection mirror assembly includes a collimation protection mirror mounting bracket and a collimation protection mirror drawer. The collimation protection mirror mounting bracket is provided with a first airflow channel that penetrates the upper and lower surfaces of the collimation protection mirror mounting bracket.

4. The laser cutting head with an integrated gas path structure according to claim 3, characterized in that: The adjustment mirror assembly includes an adjustment mirror mounting bracket, a collimation component, and a focusing mirror component. The adjustment mirror mounting bracket is provided with a second airflow channel that penetrates the upper and lower surfaces of the adjustment mirror mounting bracket.

5. The laser cutting head having an integrated gas path according to claim 4, characterized in that: The focusing protection lens assembly includes a focusing protection lens mounting bracket and a focusing protection lens drawer. The focusing protection lens mounting bracket is provided with a third airflow channel that runs through the upper and lower surfaces of the focusing protection lens mounting bracket. The second airflow channel is composed of the first airflow channel, the second airflow channel and the third airflow channel.

6. The laser cutting head having an integrated gas path according to claim 5, characterized in that: A second air passage seal is provided at the connection between the first air passage, the second air passage, and the third air passage. The second air passage seal can improve the sealing performance at the connection between the first air passage, the second air passage, and the third air passage.

7. The laser cutting head with integrated gas path according to any one of claims 1 to 6, characterized in that: The cutting nozzle includes an airtight sleeve and a cutting nozzle body. A laser channel is provided inside the cutting nozzle body. A connector is provided at the upper end of the cutting nozzle body. A connecting cavity for accommodating the connector is provided on the laser mirror module. The airtight sleeve is provided with multiple air inlets, which communicate with the second air passage. A sealing boss that mates with the inner wall of the airtight sleeve is provided on the connector. The airtight sleeve is fitted onto the connector. A guide flange that mates with the upper end of the laser channel is provided on the upper end of the airtight sleeve. The sealing boss can improve the airtightness of the fit between the airtight sleeve and the lower end of the connector. The guide flange can guide the airflow flowing through the air inlets into the laser channel. The third air passage is composed of the inner wall of the airtight sleeve and the outer wall of the connector. The two ends of the third air passage are respectively connected to the air inlets and the laser channel.

8. The laser cutting head with an integrated gas path structure according to claim 7, characterized in that: Multiple air inlets are evenly arranged around the connector.

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