Blowing mechanism and laser processing equipment

Abstract

The utility model provides an air blowing mechanism and laser processing equipment, the air blowing mechanism comprises an air guide assembly and an air outlet piece, the air guide assembly is provided with an air guide channel, the air guide channel is provided with a first opening and a second opening which are communicated, and the air guide assembly can be connected with an air source through the first opening; the air outlet piece is provided with a flow slowing cavity, the flow slowing cavity is provided with an air inlet and an air outlet which are communicated with the cavity, the second opening is communicated with the air inlet, and the air inlet is arranged opposite to the cavity wall of the flow slowing cavity so that airflow entering the flow slowing cavity can be blown to the cavity wall; the cavity wall, opposite to the air outlet, of the slow flow cavity is light-transmitting, and laser can sequentially pass through the cavity wall and the air outlet to penetrate through the air outlet piece. According to the air blowing mechanism, the air guiding channel of the air guiding assembly is utilized, the air source inputs the air into the air guiding channel from the first opening, the air is guided by the air guiding channel, the air flows out from the second opening and flows into the slow flow cavity of the air outlet piece from the air inlet of the slow flow cavity of the air outlet piece, and the air is cached in the slow flow cavity; and the air flows out of the air outlet of the slow flow cavity in a uniform and slow air flow state.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of laser processing, and more particularly relates to a blowing mechanism and a laser processing device. BACKGROUND

[0002] With the rapid development of the laser processing manufacturing industry, the market has put forward higher requirements for the laser processing process and the processing effect, especially the cooperation between various processes in the processing.

[0003] The blowing mechanism disclosed in the related art for the laser processing process cannot uniformly blow away the air in the laser processing area of the substrate when the laser is used to process the substrate due to the unreasonable arrangement of the blowing mechanism, resulting in color difference in the processing area of the substrate. CONTENT OF THE UTILITY MODEL

[0004] The application provides a blowing mechanism which can effectively improve the color difference in the processing area of the substrate when used for blowing during laser processing of the substrate.

[0005] The technical scheme adopted by the application is as follows: a blowing mechanism for blowing during laser processing is provided, which comprises a gas guiding assembly and a gas outlet piece, the gas guiding assembly is provided with a gas guiding channel, the gas guiding channel has a first opening and a second opening which are communicated, the gas guiding assembly is connectable to a gas source through the first opening; the gas outlet piece is provided with a flow buffering cavity and is provided with a gas inlet and a gas outlet which are communicated with the flow buffering cavity, the second opening is communicated with the gas inlet, and the gas flow entering the flow buffering cavity from the gas inlet acts on the cavity wall of the flow buffering cavity; the cavity wall of the flow buffering cavity opposite to the gas outlet is provided with a light transmission, and the laser can pass through the gas outlet piece in sequence through the cavity wall provided with the light transmission and the gas outlet.

[0006] Further, the gas guiding channel is arranged in a zigzag manner.

[0007] Further, the gas guiding assembly comprises a gas guiding piece and a gas inlet piece which are arranged in communication, the second opening is arranged on the gas guiding piece, and the first opening is arranged on the gas inlet piece; the corresponding gas guiding channel on the gas guiding piece is arranged in a zigzag manner.

[0008] Further, the gas inlet piece comprises a gas inlet part and a gas uniformizing part which are both hollow structures, the first opening is arranged on the gas inlet part, the gas inlet part is further provided with a gas outlet hole, the gas outlet hole is communicated with the first opening through the hollow chamber of the gas inlet part; the gas uniformizing part is arranged in communication with the gas guiding piece, and the gas inlet part is sealingly arranged in the hollow chamber of the gas uniformizing part.

[0009] Further, the gas inlet part is provided with a plurality of gas outlet holes, and the plurality of gas outlet holes are uniformly distributed on the cavity wall of the hollow chamber of the gas inlet part.

[0010] Further, the corner of the inner wall of the flow buffering cavity is arc-shaped, and the air inlet is arranged opposite the arc-shaped corner of the flow buffering cavity.

[0011] Further, the air guide assembly comprises a first mounting part and a second mounting part, the first mounting part is detachably arranged with the second mounting part, the first mounting part is provided with a first passage wall, the second mounting part is provided with a second passage wall, and the first passage wall and the second passage wall cooperate to form the air guide passage after the first mounting part and the second mounting part are mounted.

[0012] Further, the air outlet part comprises a third mounting part and a fourth mounting part, the third mounting part is detachably arranged with the fourth mounting part, the third mounting part is provided with a first cavity wall, the fourth mounting part is provided with a second cavity wall, and the first cavity wall and the second cavity wall cooperate to form the flow buffering cavity after the third mounting part and the fourth mounting part are mounted.

[0013] Further, the first mounting part and the third mounting part are an integral structure, and the second mounting part and the fourth mounting part are an integral structure.

[0014] The application also provides a laser processing device, comprising a laser processing mechanism and the air blowing mechanism as described above, the laser processing mechanism is arranged on the side of the air blowing mechanism away from the air outlet of the air outlet part, and the laser emitted by the laser processing mechanism can pass through the air outlet part through the light-transmitting cavity wall of the flow buffering cavity and the air outlet in sequence.

[0015] In the air blowing process for laser processing, the air guide channel of the air guide assembly is used, the air source inputs the gas from the first opening into the air guide channel, guides the gas through the air guide channel, and the gas flows out from the second opening and flows into the flow buffering cavity of the air outlet part from the air inlet of the flow buffering cavity of the air outlet part. After the gas is buffered in the flow buffering cavity, the gas flows out from the air outlet of the flow buffering cavity in a uniform and moderate flow state.

[0016] In the laser processing process, the air outlet of the air outlet part is arranged to blow air to the laser processing position, generally outputs inert gas or stable gas, so as to blow away the air in the environment of the laser processing position, thereby effectively preventing the processed part of the processed workpiece from being in contact with the air to produce chemical reactions such as oxidation, thereby affecting the processing quality.

[0017] In the blowing mechanism of this application, an air guiding component is combined with an air outlet component with a slow flow cavity. The slow flow cavity of the air outlet component can slow down the airflow before it is blown out to a more uniform state. The airflow flowing out from the air guiding component has a large flow rate and concentration. After being slowed down by the slow flow cavity, the airflow can gradually fill the slow flow cavity and then overflow from the slow flow cavity through the air outlet in a more uniform and gentle state to the laser processing area.

[0018] Specifically, the air inlet of the slow-flow cavity is positioned relative to the cavity wall. This means that the airflow entering the slow-flow cavity from the inlet first hits the inner wall of the cavity, where it is blocked, slowing the airflow and facilitating its diffusion within the cavity. Related technologies disclose a scheme that directly blows a faster airflow to the laser processing area. This results in turbulent airflow and uneven oxygen content in the gas environment, leading to varying degrees of oxidation and other chemical reactions in different directions on the workpiece during processing. For example, on a substrate, this results in noticeable color differences at the laser-processed area. In contrast, the airflow from the blowing mechanism of this application achieves uniform airflow in all directions at the laser processing area. Therefore, during laser processing, the blowing mechanism of this application ensures that the processed area of ​​the workpiece is in a uniform gas environment, i.e., uniform oxygen content in all directions, thus contributing to a more uniform appearance of the processed workpiece.

[0019] Furthermore, the cavity wall of the slow-flow cavity opposite the air outlet is designed to be transparent, allowing the laser to pass through the cavity wall and the air outlet sequentially. This design of the blowing mechanism does not obstruct the laser beam path, and the air outlet of the blowing mechanism can blow towards the laser processing area along the direction of the laser beam. This helps to apply the blowing force to the laser processing area more efficiently and evenly, and also helps to improve the gas uniformity in the gas environment at the laser processing area. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 A three-dimensional structural schematic diagram of the air blowing mechanism provided in the embodiments of this application;

[0022] Figure 2 For along Figure 1 Cross-sectional view of line AA in the middle;

[0023] Figure 3 for Figure 2 A magnified view of the area at point B;

[0024] Figure 4 For Figure 2 Structural decomposition schematic diagram.

[0025] In the drawings, each of the reference signs:

[0026] 10, blowing mechanism; 11, air guide assembly; 111, air guide channel; 1111, first opening; 1112, second opening; 112, air guide piece; 113, air inlet piece; 1131, air inlet portion; 11311, air outlet hole; 1132, air uniformizing portion; 114, first mounting portion; 1141, first channel wall; 115, second mounting portion; 1151, second channel wall; 12, air outlet piece; 121, flow slowing cavity; 1211, air inlet; 1212, air outlet; 122, third mounting portion; 1221, first cavity wall; 123, fourth mounting portion; 1231, second cavity wall. DETAILED DESCRIPTION

[0027] In order to make the technical problems to be solved, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not intended to limit the present application.

[0028] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0029] It should be understood that the terms "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0030] In addition, the terms "first", "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0031] Please refer to Figure 1 and Figure 2The blowing mechanism 10 provided by the embodiment of the present application will be described. The blowing mechanism 10 provided by the embodiment of the present application comprises a gas guiding assembly 11 and a gas outlet member 12. The gas guiding assembly 11 is provided with a gas guiding channel 111 having a first opening 1111 and a second opening 1112 in communication. The gas guiding assembly 11 is connectable to a gas source through the first opening 1111. The gas outlet member 12 is provided with a flow slowing cavity 121 having an air inlet 1211 and an air outlet 1212 in communication with the cavity. The second opening 1112 is in communication with the air inlet 1211, and the air inlet 1211 is arranged opposite to the cavity wall of the flow slowing cavity 121, so that the gas flow entering the flow slowing cavity 121 blows against the cavity wall. The cavity wall of the flow slowing cavity 121 opposite to the air outlet 1212 is arranged to be light-transmissive, and the laser can pass through the air outlet member 12 through the cavity wall and the air outlet 1212 in sequence.

[0032] In the blowing process for laser processing, the blowing mechanism 10 provided by the embodiment of the present application uses the gas guiding channel 111 of the gas guiding assembly 11. The gas source inputs the gas from the first opening 1111 into the gas guiding channel 111, and guides the gas through the gas guiding channel 111. The gas flows out from the second opening 1112, and flows into the flow slowing cavity 121 of the gas outlet member 12 from the air inlet 1211 of the flow slowing cavity 121. After being stored in the flow slowing cavity 121, the gas flows out from the air outlet 1212 of the flow slowing cavity 121 in a uniform and moderate gas flow state.

[0033] In the laser processing process, the air outlet 1212 of the gas outlet member 12 is arranged to blow against the laser processing position, and generally outputs inert gas or stable gas, so as to blow away the air in the environment of the laser processing position, thereby effectively preventing the processed position of the processed workpiece from contacting the air to cause chemical reactions such as oxidation, and affecting the processing quality.

[0034] In the blowing mechanism 10 of the embodiment of the present application, the gas guiding assembly 11 is combined with the gas outlet member 12 having the flow slowing cavity 121. The flow slowing cavity 121 of the gas outlet member 12 can moderate the gas flow before blowing to a relatively uniform state. The gas flow has a large flow rate and concentration when flowing out from the gas guiding assembly 11, and is slowed down in the flow slowing cavity 121, so as to gradually fill the flow slowing cavity 121, and then overflow from the air outlet 1212 of the flow slowing cavity 121 to the laser processing position in a uniform and moderate state.

[0035] Specifically, the air inlet 1211 of the slow-flow cavity 121 is arranged opposite the cavity wall of the slow-flow cavity 121, that is, the airflow flowing into the slow-flow cavity 121 from the air inlet 1211 first blows to the inner wall of the slow-flow cavity 121, and the airflow is slowed down by the inner wall and helps the airflow to diffuse in the slow-flow cavity 121. The related art discloses a setting scheme of directly blowing the faster airflow to the laser processing position, which causes the airflow at the laser processing position to be relatively turbulent, and the oxygen content in the gas environment is uneven, thereby causing the workpiece to produce different degrees of chemical reactions in various directions during processing. For example, the substrate, the laser processing position of the substrate produces obvious color difference. Compared with the related art, when the airflow output by the gas blowing mechanism 10 of the embodiment of the application blows to the laser processing position, the laser processing position can be uniformly blown away from the air in various directions, so that during the laser processing process, the gas blowing mechanism 10 of the application can make the processed position of the workpiece be in a uniform gas environment, that is, the oxygen content in various directions is uniform, thereby helping the workpiece to be processed more uniformly in various directions.

[0036] In the embodiment of the application, the corner of the inner wall of the slow-flow cavity 121 is arc-shaped, so that when the airflow flows in the slow-flow cavity 121 to the corner of the inner wall, the arc-shaped corner is more conducive to the smooth turning of the airflow. Further, in the embodiment of the application, the air inlet 1211 is arranged opposite the arc-shaped corner of the slow-flow cavity 121, that is, the airflow flowing into the slow-flow cavity 121 from the air inlet 1211 will first blow to the arc-shaped corner of the cavity wall. In this arrangement, the arc-shaped corner can help to smoothly guide the airflow to run in the slow-flow cavity 121, and even form a relatively moderate vortex, which not only helps to fully exhaust the air in the slow-flow cavity 121, but also helps to fully slow down the airflow, thereby further helping to output uniform airflow from the air outlet 1212 of the air outlet member 12.

[0037] Further, the cavity wall of the slow-flow cavity 121 opposite the air outlet 1212 is transparently arranged, so that the laser can pass through the air outlet member 12 through the cavity wall and the air outlet 1212 in turn. The arrangement of the gas blowing mechanism 10 that does not avoid the laser light path can blow the air outlet 1212 of the air outlet member 12 towards the laser processing position along the direction of the laser light, thereby helping to more efficiently and uniformly blow the gas to the laser processing position, and also helping to improve the gas uniformity in the gas environment of the laser processing position.

[0038] It should be noted that the structure shape and size of the air outlet 1212 of the air outlet piece 12 in the embodiments of the present application are specifically determined with reference to the shape and size of the laser processing area. For example, if the range of the laser processing area is rectangular, the shape of the air outlet 1212 is also rectangular, and the size of the length and width of the air outlet 1212 is greater than or equal to the size of the length and width of the laser processing area, respectively. In this way, the laser light can conveniently pass through for processing, and the airflow of the air outlet 1212 can also be fully covered and act on the laser processing area.

[0039] Further, the air guide channel 111 in the above embodiments is provided in a zigzag shape, for example, a “∪” shape, an “S” shape, a “Z” shape, and the like. The air guide channel 111 can also be provided in other curved shapes or continuously provided in multiple bending positions. The embodiments of the present application utilize the bending positions of the air guide channel 111 to slow down the airflow, so that the airflow entering the slow-flow cavity 121 of the air outlet piece 12 is relatively slow, which is beneficial to the uniform slowing down of the airflow in the slow-flow cavity 121.

[0040] Please refer to Figure 2 Specifically, the air guide assembly 11 of the above embodiments includes the air guide piece 112 and the air inlet piece 113 which are connected in communication. The second opening 1112 is provided on the air guide piece 112, and the first opening 1111 is provided on the air inlet piece 113. The air guide channel 111 corresponding to the air guide piece 112 is provided in a zigzag shape.

[0041] It can be understood that the structure of the air guide assembly 11 is constructed in communication of the air guide piece 112 and the air inlet piece 113. After the air passage of the air guide piece 112 and the air passage of the air inlet piece 113 are connected in communication, the air guide channel 111 of the air guide assembly 11 is formed. In this way, the air guide assembly 11 is constructed in a building manner, which can reduce the construction difficulty of the air guide assembly 11, and is also beneficial to achieving more flexible settings of the air guide channel 111. For example, the communication between the air inlet piece 113 and the air outlet piece 12 needs to consider some implementation factors in the actual structure. Therefore, if the air guide assembly 11 is provided in an integrated structure, it will be limited to some extent. If the structure is provided in a detachable and assembled manner, each part not only has a reduced manufacturing difficulty, but also has a more flexible actual construction, which can achieve the construction of various air guide assemblies 11 and various air guide channels 111.

[0042] The air inlet piece 113 of the embodiments of the present application is mainly used to connect an external air source, so as to connect the air source and the air guide piece 112, and then ventilate the air outlet piece 12. The air guide piece 112 mainly plays a flow guiding role. Therefore, in the embodiments of the present application, the zigzag setting of the air guide channel 111 is provided on the air guide piece 112, that is, the air passage of the air guide piece 112 has a bending shape to achieve a slow-flow effect. The air passage of the air inlet piece 113 is provided in a straight sliding manner, so that the airflow input by the air source can quickly and unobstructedly enter the air passage of the air guide piece 112, thereby improving the air inlet efficiency.

[0043] Please refer toFigure 2 and Figure 3 Further, the air inlet member 113 can include an air inlet portion 1131 and an air uniformization portion 1132, both of which are hollow structures, the first opening 1111 is arranged on the air inlet portion 1131, and the air inlet portion 1131 is further provided with an air outlet hole 11311, which is in communication with the first opening 1111 through the hollow chamber of the air inlet portion 1131; the air uniformization portion 1132 is arranged in communication with the air guide member 112, and the air inlet portion 1131 is sealingly arranged in the hollow chamber of the air uniformization portion 1132.

[0044] In the embodiment of the present application, the air inlet member 113 further includes an air inlet portion 1131 and an air uniformization portion 1132, both of which are provided with cavities, the air inlet portion 1131 is connected with an external air source, and the air inlet portion 1131 is arranged in the air uniformization portion 1132, the air inlet portion 1131 is provided with an air hole on the side wall of the cavity, which is in communication with the air uniformization portion 1132, and the air uniformization portion 1132 is in communication with the air guide member 112, therefore, it can be understood that the air flow output by the air source first enters the air inlet portion 1131, and then flows out from the air hole of the air inlet portion 1131 to the cavity of the air uniformization portion 1132, the cavity of the air uniformization portion 1132 plays a certain flow slowing effect on the air flow flowing into the air inlet portion 1131, this flow slowing effect can be defined as the first flow slowing effect; and then further flows to the air guide member 112, the air flow further flows through the curved air channel of the air guide member 112, which can be defined as the second flow slowing effect; and then the air flow further flows into the flow slowing cavity 121 of the air outlet member 12, the flow slowing effect of the flow slowing cavity 121 on the air flow can be understood as the third flow slowing effect. Therefore, in the embodiment of the present application, the air flow is subjected to three flow slowing effects before being output to the laser processing position, so that the air flow output from the air outlet member 12 can meet the uniformization and flow slowing requirements.

[0045] In the embodiment of the present application, the air hole 11311 arranged on the air inlet portion 1131 can be circular, strip-shaped or other shapes, and the number thereof can be one or more, which is not limited. Specifically, the embodiment of the present application takes the air inlet portion 1131 as an example, which is provided with multiple air outlet holes 11311, and the multiple air outlet holes 11311 are uniformly distributed on the cavity wall of the hollow chamber of the air inlet portion 1131, so as to help the air flow in the air inlet portion 1131 to enter the air uniformization portion 1132 in a more uniform distribution state, and help to improve the uniformization and flow slowing effect of the air flow in the air uniformization portion 1132.

[0046] Please refer to Figure 2 and Figure 4Specifically, the air guide assembly 11 of the above embodiment can further include a first mounting portion 114 and a second mounting portion 115, the first mounting portion 114 and the second mounting portion 115 are detachably arranged, the first mounting portion 114 is provided with a first passage wall 1141, the second mounting portion 115 is provided with a second passage wall 1151, and the first passage wall 1141 and the second passage wall 1151 cooperatively form the air guide passage 111 after the first mounting portion 114 and the second mounting portion 115 are mounted.

[0047] The air guide passage 111 of the air guide assembly 11 in the embodiment of the present application can be a one-time forming structure or can be constructed by splicing, and the embodiment of the present application takes the air guide passage 111 constructed by splicing as an example, that is, the first passage wall 1141 and the second passage wall 1151 cooperatively form the air guide passage 111 after the first mounting portion 114 and the second mounting portion 115 are mounted, wherein the air guide passage 111 can be the gap between the first mounting portion 114 and the second mounting portion 115 after the first mounting portion 114 and the second mounting portion 115 are mounted, thereby being used for guiding air, for example, the first air guide wall and the second air guide wall are both provided with a continuous structure of protrusions and recesses, the protrusions of the first air guide wall are inserted into the recesses of the second air guide wall, the protrusions of the second air guide wall are inserted into the recesses of the first air guide wall, and each protrusion and the corresponding recess have a spacing on each side plate, that is, the first passage wall 1141 and the second passage wall 1151 form a continuous spacing with a bend, and the continuous spacing is the air guide passage 111, and the embodiment of the present application takes this kind of setting as an example, compared with the one-time forming construction of the air guide passage 111, the embodiment of the present application can reduce the difficulty of structure processing by constructing the air guide passage 111 through the installation and splicing.

[0048] Of course, the formation of the air guide passage 111 can also be that the first passage wall 1141 adopts a "∪"-shaped air guide airway structure, and the second passage wall 1151 adopts a "∩"-shaped air guide airway structure, and one port of the "∪"-shaped first passage wall 1141 and one port of the "∩"-shaped second passage wall 1151 are communicated after the first mounting portion 114 and the second mounting portion 115 are mounted, thereby forming a continuous air guide passage 111 with a bend.

[0049] Similarly, the air outlet piece 12 of the embodiment of the present application can be an integral forming structure or can be constructed by splicing, and specifically, the embodiment of the present application takes the air outlet piece 12 constructed by splicing as an example, the air outlet piece 12 includes a third mounting portion 122 and a fourth mounting portion 123, the third mounting portion 122 and the fourth mounting portion 123 are detachably arranged, the third mounting portion 122 is provided with a first cavity wall 1221, the fourth mounting portion 123 is provided with a second cavity wall 1231, and the first cavity wall 1221 and the second cavity wall 1231 cooperatively form the flow buffer cavity 121 after the third mounting portion 122 and the fourth mounting portion 123 are mounted.

[0050] In the embodiments of the present application, as long as the third mounting portion 122 and the fourth mounting portion 123 are mounted, the first cavity wall 1221 and the second cavity wall 1231 can cooperate to form a flow slowing cavity 121 structure meeting the requirements of the above-mentioned embodiments. Specifically, the flow slowing cavity 121 structure of the embodiments of the present application is taken as an example in which the gas outlet 1212 is arranged downward in the vertical direction, and the gas inlet 1211 is arranged downwardly inclined to the vertical direction. The gas source connected to the blowing mechanism 10 is taken as an example in which the gas source is nitrogen or other inert gas with a density less than that of air. In this way, when the gas flow enters the flow slowing cavity 121 from the gas inlet 1211, the gas flow is first blown to the cavity wall of the flow slowing cavity 121 downwardly inclined to the vertical direction, and the gas flow is guided by the cavity wall and flows in the flow slowing cavity 121. Since the density of the gas flow is less than that of air, the gas flow is in an upward state in the flow slowing cavity 121. As more and more gas flow enters the flow slowing cavity 121, the space in the flow slowing cavity 121 is discharged from the gas outlet 1212, so that the flow slowing cavity 121 is uniformly filled with the target inert gas.

[0051] Further, in the above-mentioned embodiments, the first mounting portion 114 and the third mounting portion 122 are taken as an example in which they are integrated, and the second mounting portion 115 and the fourth mounting portion 123 are taken as an example in which they are integrated. In this way, when the first mounting portion 114 is mounted and cooperated with the second mounting portion 115, and the third mounting portion 122 is mounted and cooperated with the fourth mounting portion 123, the gas guiding channel 111 and the flow slowing cavity 121 are simultaneously constructed and in a communication state, which can improve the installation efficiency.

[0052] The embodiments of the present application also provide a laser processing device (not shown in the figure) including a laser processing mechanism (not shown in the figure) and the blowing mechanism 10 according to any of the above-mentioned embodiments. The laser processing mechanism (not shown in the figure) is arranged on the side of the blowing mechanism 10 away from the gas outlet 1212 of the gas outlet member 12. The laser emitted by the laser processing mechanism (not shown in the figure) can pass through the light-transmitting cavity wall of the flow slowing cavity 121 and the gas outlet member 12 through the gas outlet 1212 in sequence.

[0053] It can be understood that if the gas outlet 1212 of the gas outlet member 12 of the blowing mechanism 10 is downward along the vertical direction, the laser processing mechanism (not shown in the figure) is arranged vertically above the gas outlet member 12. The laser emitted by the laser processing mechanism (not shown in the figure) can be downward along the vertical direction or inclined to the vertical direction to pass through the light-transmitting cavity wall of the gas outlet member 12, and then be emitted from the gas outlet 1212 for processing.

[0054] The laser processing device (not shown in the figure) of the embodiments of the present application includes the blowing mechanism 10 in any of the above-mentioned embodiments, so it has the beneficial effects brought by the blowing mechanism 10 in any of the above-mentioned embodiments, which will not be repeated here.

[0055] The above only describes preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A blowing mechanism for blowing in laser processing, characterized by, The application relates to a laser processing device. The laser processing device comprises: a gas guiding assembly provided with a gas guiding channel, the gas guiding channel being provided with a first opening and a second opening, the gas guiding assembly being connectable to a gas source through the first opening; and a gas outlet member provided with a flow slowing cavity and provided with a gas inlet opening and a gas outlet opening, the second opening being in communication with the gas inlet opening, and a gas flow entering the flow slowing cavity through the gas inlet opening acting on a cavity wall of the flow slowing cavity; the cavity wall opposite to the gas outlet opening of the flow slowing cavity is provided with a light transmission structure, and the laser can pass through the gas outlet member through the light transmission cavity wall and the gas outlet opening in sequence.

2. The air blowing mechanism according to claim 1, characterized by, The gas guiding channel is provided in a zigzag shape.

3. The air blowing mechanism according to claim 2, characterized by, The gas guiding assembly comprises a gas guiding member and a gas inlet member, the second opening is arranged on the gas guiding member, and the first opening is arranged on the gas inlet member. The corresponding gas guiding channel on the gas guiding member is provided in a zigzag shape.

4. The air blowing mechanism according to claim 3, wherein The gas inlet member comprises a gas inlet part and a gas uniformizing part, both of which are hollow structures, the first opening is arranged on the gas inlet part, the gas inlet part is further provided with a gas outlet hole, and the gas outlet hole is in communication with the first opening through a hollow cavity of the gas inlet part. The gas uniformizing part is arranged in communication with the gas guiding member, and the gas inlet part is sealingly arranged in the hollow cavity of the gas uniformizing part.

5. The air blowing mechanism according to claim 4, wherein The gas inlet part is provided with a plurality of gas outlet holes, and the plurality of gas outlet holes are uniformly distributed on the cavity wall of the hollow cavity of the gas inlet part.

6. The air blowing mechanism according to claim 1, wherein The corner of the inner wall of the flow slowing cavity is provided in an arc shape, and the gas inlet opening is arranged opposite to the arc-shaped corner of the flow slowing cavity.

7. The air blowing mechanism according to claim 1, wherein The gas guiding assembly comprises a first mounting part and a second mounting part, the first mounting part and the second mounting part are detachably arranged, the first mounting part is provided with a first channel wall, the second mounting part is provided with a second channel wall, and the first channel wall and the second channel wall cooperatively form the gas guiding channel after the first mounting part and the second mounting part are mounted.

8. The air blowing mechanism according to claim 7, wherein The gas outlet member comprises a third mounting part and a fourth mounting part, the third mounting part and the fourth mounting part are detachably arranged, the third mounting part is provided with a first cavity wall, the fourth mounting part is provided with a second cavity wall, and the first cavity wall and the second cavity wall cooperatively form the flow slowing cavity after the third mounting part and the fourth mounting part are mounted.

9. The air blowing mechanism according to claim 8, wherein The first mounting part and the third mounting part are in an integral structure, and the second mounting part and the fourth mounting part are in an integral structure.

10. A laser processing apparatus characterized by comprising: The laser processing device comprises a laser processing mechanism and the gas blowing mechanism as claimed in any one of claims 1-9, the laser processing mechanism is arranged on the side of the gas blowing mechanism away from the gas outlet opening of the gas outlet member, and the laser emitted by the laser processing mechanism can pass through the gas outlet member through the light transmission cavity wall of the flow slowing cavity and the gas outlet opening in sequence.

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