Processing aid of laser device and laser processing system
By integrating the liquid and gas auxiliary units, the problem of large space occupation in semiconductor laser systems is solved, improving space utilization efficiency and expanding functionality, making it suitable for laser processing systems.
Patent Information
- Application Number
- CN202510578257.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-07
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2045-05-07
AI Technical Summary
The existing semiconductor lasers have separate cooling water channels and air-assisted systems, which occupy a large amount of space and result in low overall space utilization efficiency.
By integrating the liquid and gas auxiliary units together, and through the coordination of control valves and pumps, liquid and gas can be transported to each other. The integrated design reduces space occupation and expands auxiliary functions such as drainage, fire extinguishing and cooling.
This has improved the space utilization efficiency of the laser device, diversified its functions, facilitated laser replacement and fire extinguishing operations, and reduced costs.
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Figure CN120095317B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of laser processing, in particular to a processing auxiliary device of a laser device and a laser processing system. BACKGROUND
[0002] As a high-performance optoelectronic device, semiconductor lasers have been widely used in many fields such as industry, medicine and military due to their small size, long life, high electro-optical conversion efficiency, wide wavelength adjustment range and good reliability. However, with the increasing requirements of application scenarios on the output power and performance of semiconductor lasers, the heat dissipation problem has gradually become one of the key factors restricting the development of semiconductor lasers.
[0003] At present, there are two auxiliary systems for semiconductor lasers: heat dissipation waterway and air assistance. The heat dissipation waterway system can effectively reduce the temperature of the chip and maintain its stable operation by circulating the cooling liquid to take away the heat generated by the laser chip. The air assistance system uses air to blow away the molten material during laser processing, so that deeper laser processing can be achieved. At present, the heat dissipation waterway and air assistance of the semiconductor laser are two separate systems, which occupy a large space in the whole system. SUMMARY
[0004] The main purpose of the present application is to provide a processing auxiliary device of a laser device and a laser processing system, which can solve the problem of large space occupied by the processing auxiliary system in the prior art.
[0005] To achieve the above-mentioned purpose, the first aspect of the present application provides a processing auxiliary device of a laser device, which comprises:
[0006] a liquid path auxiliary unit and an air path auxiliary unit;
[0007] The gas outlet of the air path auxiliary unit is connected with the liquid inlet of the laser device, and is connected with the air inlet of the laser device;
[0008] The liquid outlet of the liquid path auxiliary unit is connected with the liquid inlet of the laser device, and is connected with the air inlet of the laser device.
[0009] In a feasible implementation manner, when receiving a liquid discharge instruction, the liquid outlet of the liquid auxiliary unit is controlled to stop delivering the first liquid to the liquid inlet of the laser device, and the gas outlet of the air path auxiliary unit is controlled to deliver the first gas to the liquid inlet of the laser device, so that the first gas discharges the first liquid from the liquid outlet of the laser device, to perform the liquid discharge operation of the first liquid in the laser device.
[0010] In an implementation, when receiving a fire extinguishing instruction, the liquid outlet of the liquid auxiliary unit is controlled to deliver the second liquid to the gas inlet of the laser device, and the gas outlet of the gas auxiliary unit is controlled to deliver the second gas to the gas inlet of the laser device, so that the second gas expels the second liquid from the gas outlet of the laser device to perform the fire extinguishing operation.
[0011] In an implementation, when receiving a cooling instruction, the liquid outlet of the liquid auxiliary unit is controlled to deliver the third liquid to the liquid inlet of the laser device, so that the third liquid is expelled from the liquid outlet of the laser device to perform the cooling operation of the laser device.
[0012] In an implementation, the gas outlet of the laser device is coaxially arranged with the laser generating port of the laser device.
[0013] When receiving an air assistance instruction, the gas outlet of the gas auxiliary unit is controlled to deliver the third gas to the gas inlet of the laser device, so that the third gas is expelled from the gas outlet of the laser device to perform the air assistance operation of the laser device.
[0014] In an implementation, the liquid auxiliary unit includes at least a first two-position three-way electromagnetic valve and a first three-way, and the gas auxiliary unit includes at least a second two-position three-way electromagnetic valve and a second three-way.
[0015] The first liquid outlet of the first two-position three-way electromagnetic valve is connected to the liquid inlet of the first three-way, the second liquid outlet of the first two-position three-way electromagnetic valve is connected to the liquid inlet of the second three-way, the gas inlet of the first three-way is connected to the first gas outlet of the second two-position three-way electromagnetic valve, and the outlet of the first three-way is connected to the liquid inlet of the laser device.
[0016] The second gas outlet of the second two-position three-way electromagnetic valve is connected to the gas inlet of the second three-way, and the outlet of the second three-way is connected to the gas inlet of the laser device.
[0017] In an implementation, the liquid auxiliary unit further includes a liquid tank, a liquid pump, a check valve, and a cooling structure.
[0018] The liquid outlet of the liquid tank is connected to the liquid inlet of the liquid pump, the liquid outlet of the liquid pump is connected to the liquid inlet of the check valve, and the liquid outlet of the check valve is connected to the liquid inlet of the first two-position three-way electromagnetic valve.
[0019] The liquid outlet of the laser device is connected to the liquid inlet of the cooling structure, and the liquid outlet of the cooling structure is connected to the liquid inlet of the liquid tank.
[0020] In a feasible implementation manner, the gas path auxiliary unit further comprises a gas pump, and an outlet of the gas pump is connected with an inlet of the second two-position three-way electromagnetic valve.
[0021] To achieve the above object, the second aspect of the present application provides a laser processing system, which comprises a laser device and a processing auxiliary device of the laser device as shown in the first aspect and any feasible implementation manner.
[0022] By using the embodiment of the present application, the following beneficial effects are achieved:
[0023] The present application provides a processing auxiliary device of a laser device, which comprises a liquid path auxiliary unit and a gas path auxiliary unit; an outlet of the gas path auxiliary unit is connected with a liquid inlet of the laser device and an air inlet of the laser device; and an outlet of the liquid path auxiliary unit is connected with the liquid inlet of the laser device and the air inlet of the laser device. By connecting the outlet of the gas path auxiliary unit with the liquid inlet of the laser device and connecting the outlet of the liquid path auxiliary unit with the air inlet of the laser device, the liquid path auxiliary unit, the gas path auxiliary unit and the laser device are integrated, and compared with two auxiliary units arranged for the laser device, the space occupation is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only show some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.
[0025] In the drawings:
[0026] Figure 1 The figure is a structural block diagram of a processing auxiliary device of a laser device in an embodiment of the present application.
[0027] Figure 2 The figure is another structural block diagram of a processing auxiliary device of a laser device in an embodiment of the present application. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.
[0029] Please refer to Figure 1 ,Figure 1 Fig. 1 is a structural diagram of a processing auxiliary device of a laser device according to an embodiment of the present application; Figure 1 The device 00 includes a liquid auxiliary unit 10 and an air auxiliary unit 20.
[0030] The air outlet of the air auxiliary unit 20 is connected to the liquid inlet of the laser device 30 and the air inlet of the laser device 30.
[0031] The liquid outlet of the liquid auxiliary unit 10 is connected to the liquid inlet of the laser device 30 and the air inlet of the laser device 30.
[0032] In this way, the air auxiliary unit and the liquid auxiliary unit are connected in series, and the space occupied by the separate devices is reduced. The liquid auxiliary unit can be a water auxiliary unit, and the air auxiliary unit can be an air auxiliary unit. When the laser needs to be cooled, the liquid auxiliary unit can provide cooling water to cool the laser. When the laser needs air assistance, the air auxiliary unit can output air to blow away the melted material.
[0033] It can be understood that the air auxiliary unit and the liquid auxiliary unit each have at least one power device, at least one on-off device, and at least one conveying pipeline. The power device can be a pump, and the on-off device can be a valve. The present application is not limited to these examples.
[0034] Further, after the two auxiliary units are connected in series, in addition to the above-mentioned laser cooling and air assistance auxiliary processing functions, the two auxiliary units can also be cooperated with each other to expand the auxiliary processing mode. In addition to laser cooling and air assistance, liquid discharge assistance, fire extinguishing assistance, and the like can also be realized.
[0035] In a feasible implementation manner, when a liquid discharge instruction is received, the liquid outlet of the liquid auxiliary unit is controlled to stop conveying the first liquid to the liquid inlet of the laser device, and the air outlet of the air auxiliary unit is controlled to convey the first gas to the liquid inlet of the laser device, so that the first gas discharges the first liquid from the liquid outlet of the laser device, to perform the liquid discharge operation of the first liquid in the laser device.
[0036] Exemplary, when there is a need to drain the liquid, the cooperation of the two systems can realize the draining operation of the liquid in the laser device, for example, when it is necessary to replace the laser device, the liquid in the laser device is emptied, and the laser device can be drained by the gas path auxiliary unit. Specifically, the user can start the "water removal button" to issue a draining instruction. When receiving the draining instruction, first, the liquid auxiliary unit needs to stop delivering liquid to the laser device, that is, the liquid outlet of the liquid auxiliary unit stops delivering the first liquid to the liquid inlet of the laser device. Then, the liquid inlet and the liquid outlet are connected, and the gas path auxiliary unit can pressurize the liquid inlet of the laser device by inflating it, so that the liquid is drained from the liquid outlet of the laser device, that is, the gas outlet of the gas path auxiliary unit delivers the first gas to the liquid inlet of the laser device, so that the first gas drains the first liquid from the liquid outlet of the laser device, to perform the draining operation of the first liquid in the laser device. The problem of difficult waterway pipeline water removal is solved, and the replacement of the laser or the pipe is facilitated.
[0037] In a feasible implementation, when receiving the fire extinguishing instruction, the liquid outlet of the liquid auxiliary unit delivers the second liquid to the gas inlet of the laser device, and the gas outlet of the gas path auxiliary unit delivers the second gas to the gas inlet of the laser device, so that the second gas drains the second liquid from the gas outlet of the laser device, to perform the fire extinguishing operation. When a fire occurs, the liquid in the waterway can be used to extinguish the fire in time.
[0038] Exemplary, when there is a need to extinguish the fire, the cooperation of the two systems can realize the fire extinguishing operation, for example, when a processing position suddenly catches fire during processing, the liquid of the laser device can be drained by the gas path auxiliary unit to extinguish the fire. Specifically, when a processing position suddenly catches fire during processing, the fire extinguishing instruction is triggered. First, when receiving the fire extinguishing instruction, the extinguishable liquid needs to be delivered to the gas inlet of the laser device, that is, the liquid outlet of the liquid auxiliary unit delivers the second liquid to the gas inlet of the laser device, and then the gas inlet and the gas outlet are connected, and the gas outlet of the laser device is coaxially arranged with the laser generating port of the laser device. When the processing position catches fire, the gas path auxiliary unit can spray liquid to extinguish the fire, that is, the gas outlet of the gas path auxiliary unit delivers the second gas to the gas inlet of the laser device, so that the second gas drains the second liquid from the gas outlet of the laser device, to perform the fire extinguishing operation.
[0039] In a feasible implementation, when receiving the cooling instruction, the liquid outlet of the liquid path auxiliary unit delivers the third liquid to the liquid inlet of the laser device, so that the third liquid is drained from the liquid outlet of the laser device, to perform the cooling operation of the laser device.
[0040] The liquid path auxiliary unit also cools the laser device. Specifically, when a cooling instruction is received, the liquid outlet of the liquid path auxiliary unit is controlled to deliver the third liquid to the liquid inlet of the laser device, so that the third liquid is discharged from the liquid outlet of the laser device, thereby performing the cooling operation of the laser device.
[0041] In an implementation, the gas outlet of the laser device is coaxially arranged with the laser generation port of the laser device.
[0042] When an air assistance instruction is received, the gas outlet of the gas path auxiliary unit is controlled to deliver the third gas to the gas inlet of the laser device, so that the third gas is discharged from the gas outlet of the laser device, thereby performing the air assistance operation of the laser device.
[0043] The gas path auxiliary unit also provides air assistance for the laser device. Specifically, the gas outlet of the laser device is coaxially arranged with the laser generation port of the laser device. When an air assistance instruction is received, the gas outlet of the gas path auxiliary unit is controlled to deliver the third gas to the gas inlet of the laser device, so that the third gas is discharged from the gas outlet of the laser device, thereby performing the air assistance operation of the laser device, such as blowing away the molten material at the machining position, so that the laser can fall on a deeper machining position to complete the machining.
[0044] The application provides a machining auxiliary device of a laser device, which comprises a liquid path auxiliary unit and a gas path auxiliary unit. The gas outlet of the gas path auxiliary unit is connected with the liquid inlet of the laser device and the gas inlet of the laser device. The liquid outlet of the liquid path auxiliary unit is connected with the liquid inlet of the laser device and the gas inlet of the laser device. The liquid path auxiliary unit, the gas path auxiliary unit and the laser device are integrated by connecting the gas outlet of the gas path auxiliary unit with the liquid inlet of the laser device and connecting the liquid outlet of the liquid path auxiliary unit with the gas inlet of the laser device, thereby reducing the space occupation compared with arranging two auxiliary units for the laser device. Meanwhile, the respective advantages are fully utilized to greatly improve the experience of the product and diversify the functions.
[0045] Please refer to Figure 2 , Figure 2 Another structural block diagram of the machining auxiliary device of the laser device in the embodiment of the application is shown in Figure 2 The device comprises a liquid path auxiliary unit 10 and a gas path auxiliary unit 20. The gas outlet of the gas path auxiliary unit is connected with the liquid inlet of the laser device and the gas inlet of the laser device. The liquid outlet of the liquid path auxiliary unit is connected with the liquid inlet of the laser device and the gas inlet of the laser device.
[0046] It can be understood that, Figure 2 The contents of the liquid path auxiliary unit 10 and the gas path auxiliary unit 20 in the device are similar to those shown in Figure 1 The contents of the liquid path auxiliary unit 10 and the gas path auxiliary unit 20 shown are similar, and to avoid repetition, this place is not described, and the specific can refer to Figure 1 The contents of the liquid path auxiliary unit 10 and the gas path auxiliary unit 20 shown.
[0047] Further, the liquid path auxiliary unit 10 includes at least a first two-position three-way electromagnetic valve (A) and a first three-way A; the gas path auxiliary unit 20 includes at least a second two-position three-way electromagnetic valve (B) and a second three-way B; it can be understood that the selection of the above-mentioned valve is related to the number of pipes, if the system transportation demand is large, the number of pipes is large, then the number of valves and / or the passage of the valve (such as three-way, four-way, five-way) will also increase, the above-mentioned is only an example and is not limited. Exemplarily, the first three-way and the second three-way can be T-shaped three-way.
[0048] Among them, the first liquid outlet of the first two-position three-way electromagnetic valve is connected with the liquid inlet of the first three-way; the second liquid outlet of the first two-position three-way electromagnetic valve is connected with the liquid inlet of the second three-way; the gas inlet of the first three-way is connected with the first gas outlet of the second two-position three-way electromagnetic valve; the outlet of the first three-way is connected with the liquid inlet (such as Figure 2 The water inlet shown) of the laser device;
[0049] The second gas outlet of the second two-position three-way electromagnetic valve is connected with the gas inlet of the second three-way; the outlet of the second three-way is connected with the gas inlet of the laser device.
[0050] Among them, the liquid path auxiliary unit further includes a liquid tank 11, a liquid pump 12, a one-way valve 13 and a cooling structure 14; it can be understood that the number of the above-mentioned elements is related to the scale of the liquid path auxiliary unit, if the transportation demand is large, then the number of the corresponding elements will also increase to adapt to the demand, the above-mentioned is only an example and is not limited. The liquid tank 11 can be a water tank, the liquid pump 12 can be a water pump;
[0051] Among them, the liquid outlet of the liquid tank is connected with the liquid inlet of the liquid pump, the liquid outlet of the liquid pump is connected with the liquid inlet of the one-way valve, the liquid outlet of the one-way valve is connected with the liquid inlet of the first two-position three-way electromagnetic valve; the liquid outlet of the laser device is connected with the liquid inlet of the cooling structure, and the liquid outlet of the cooling structure is connected with the liquid inlet of the liquid tank.
[0052] In a feasible implementation, the gas path auxiliary unit further comprises a gas pump 21, and an air outlet of the gas pump is connected with an air inlet of the second two-position three-way electromagnetic valve. It can be understood that the number of the above elements is related to the scale of the gas path auxiliary unit, and if the delivery demand is large, the number of the corresponding elements will also be increased accordingly to adapt to the demand. The above is only an example and is not limited specifically.
[0053] For example, referring to Figure 2
[0054] The water tank, the water pump, the one-way valve, the two-position three-way electromagnetic valve (A) / A interface, the three-way (A), the laser (water inlet and outlet), and the cooling structure are connected by pipes to complete the water path connection.
[0055] The gas pump, the two-position three-way electromagnetic valve (B) / D interface, the three-way (B), and the laser (air inlet) are connected by pipes to complete the gas path connection.
[0056] The two-position three-way electromagnetic valve (A) / B and the three-way (B) are connected by pipes, and the two-position three-way electromagnetic valve (B) / C and the three-way (A) are connected by pipes to complete the water and gas path connection.
[0057] Further, as shown in the structure Figure 2 After the water and gas paths are connected, the function implementation principle is as follows:
[0058] When receiving a cooling instruction: the liquid pump 12 is started, the liquid in the liquid tank 11 is input to the water inlet (liquid inlet) of the laser device 30 through the one-way valve 13, the outlet A of the two-position three-way valve (A), and the three-way A, then the water after cooling the laser is input to the water outlet (liquid outlet) of the laser device 30, and then the water after cooling the laser is input to the water outlet (liquid outlet) of the laser device 30. The water outlet (liquid outlet) of the laser device 30, and then the water after cooling the laser is input to the water outlet (liquid outlet) of the laser device 30.
[0059] When receiving an air auxiliary instruction: the gas pump 21 is started, air is input to the air inlet of the laser device 30 through the outlet D of the two-position three-way valve (B) and the three-way B, and then the air is blown away from the air outlet of the laser device 30.
[0060] When receiving the fire extinguishing instruction: the liquid pump 12 starts, and the liquid in the liquid tank 11 is input into the air inlet of the laser device 30 through the one-way valve 13, the outlet B of the two-position three-way valve (A), and the three-way B; then the air pump 21 starts, and the air is input into the air inlet of the laser device 30 through the outlet D of the two-position three-way valve (B) and the three-way B, and then the water is discharged from the air outlet of the laser device 30 to extinguish the fire. Exemplarily, the two-position three-way electromagnetic valve (A) / A interface and the two-position three-way electromagnetic valve (B) / D interface are the normally open interfaces of the electromagnetic valve, wherein the active fire extinguishing logic is that when the fire source is sensed by the flame detection plate (installed on the laser), the machine is stopped and the air outlet is aimed at the fire source, the water pump and the air pump are started by the mainboard, and the electromagnetic valve A is powered on (the B port is connected), the liquid enters the air path from the three-way (B), and then the laser air outlet sprays to the fire source to achieve fire extinguishing.
[0061] When receiving the liquid discharge instruction: the liquid pump 12 stops, and then the air pump 21 starts, and the air is input into the water inlet of the laser device 30 through the outlet C of the two-position three-way valve (B) and the three-way A, and then the water is discharged from the liquid outlet of the laser device 30 to enter the cooling structure 14 and return to the liquid tank 11 after cooling. Exemplarily, the two-position three-way electromagnetic valve (A) / A interface and the two-position three-way electromagnetic valve (B) / D interface are the normally open interfaces of the electromagnetic valve, wherein the water path water removal logic is that the “water removal button” is started, the water pump is stopped, the air pump is started, and the electromagnetic valve B is powered on (the C port is connected), the gas enters the water path from the three-way (A), and the pipeline after the three-way (A) is water removed.
[0062] The application provides a machining auxiliary device of a laser device, through the device, two sets of systems are integrated into one structure, the space occupation of accessories is reduced, and the cost is reduced. The liquid in the water path is removed by using air pressure, the replacement of the laser or the pipe is facilitated, and the liquid in the water path can be used for fire extinguishing in time when a fire occurs.
[0063] In the embodiment of the application, a laser machining system comprises a laser device and a machining auxiliary device of the laser device as described above. Figure 1 or Figure 2 The machining auxiliary device of the laser device.
[0064] The application provides a laser machining system, through the laser machining system, two sets of systems are integrated into one structure, the space occupation of accessories is reduced, and the cost is reduced. The liquid in the water path is removed by using air pressure, the replacement of the laser or the pipe is facilitated, and the liquid in the water path can be used for fire extinguishing in time when a fire occurs.
[0065] The technical features of the above embodiments can be combined in any manner. In order to make the description concise, all possible combinations of the technical features in the above embodiments are not described, but as long as the combinations of the technical features do not exist, they should be considered as the scope of the description.
[0066] The above-described embodiments are merely illustrative of several embodiments of the present application, which are described in more detail and in a more specific and detailed manner, but should not be construed as limiting the scope of the patent of the present application. It should be noted that, for those of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.
Claims
1. A processing auxiliary device for a laser apparatus, characterized in that, The processing auxiliary device includes: Liquid circuit auxiliary unit and gas circuit auxiliary unit; The outlet of the gas path auxiliary unit is used to connect to the liquid inlet of the laser device and to the air inlet of the laser device. The liquid outlet of the liquid circuit auxiliary unit is used to connect to the liquid inlet of the laser device and to the air inlet of the laser device. The liquid circuit auxiliary unit includes at least a first two-position three-way solenoid valve and a first three-way valve; the gas circuit auxiliary unit includes at least a second two-position three-way solenoid valve and a second three-way valve. The first outlet of the first two-position three-way solenoid valve is connected to the inlet of the first three-way valve; the second outlet of the first two-position three-way solenoid valve is connected to the inlet of the second three-way valve; the air inlet of the first three-way valve is connected to the first outlet of the second two-position three-way solenoid valve; and the outlet of the first three-way valve is connected to the inlet of the laser device. The second outlet of the second two-position three-way solenoid valve is connected to the inlet of the second three-way valve; the outlet of the second three-way valve is connected to the inlet of the laser device. When a drain command is received, the liquid outlet of the liquid auxiliary unit is controlled to stop delivering the first liquid to the inlet of the laser device, and the gas outlet of the gas path auxiliary unit is controlled to deliver the first gas to the inlet of the laser device, so that the first gas will discharge the first liquid from the outlet of the laser device, thereby performing the drain operation of the first liquid in the laser device. Upon receiving a fire extinguishing command, the liquid outlet of the control liquid auxiliary unit delivers the second liquid to the air inlet of the laser device, and the air outlet of the control gas auxiliary unit delivers the second gas to the air inlet of the laser device, so that the second gas discharges the second liquid from the air outlet of the laser device to perform the fire extinguishing operation. The air outlet of the laser device is coaxially arranged with the laser generating port of the laser device; The liquid circuit auxiliary unit also includes a liquid pump and a one-way valve; wherein, the outlet of the liquid pump is connected to the inlet of the one-way valve, and the outlet of the one-way valve is connected to the inlet of the first two-position three-way solenoid valve. When a cooling command is received, the liquid outlet of the liquid circuit auxiliary unit is controlled to deliver a third liquid to the liquid inlet of the laser device, so that the third liquid is discharged from the liquid outlet of the laser device to perform the cooling operation of the laser device. When an air-assisted command is received, the outlet of the air-assisted unit is controlled to deliver a third gas to the inlet of the laser device, so that the third gas is discharged from the outlet of the laser device to perform air-assisted operation of the laser device. The liquid circuit auxiliary unit also includes a liquid tank and a cooling structure; The outlet of the liquid tank is connected to the inlet of the liquid pump; The liquid outlet of the laser device is connected to the liquid inlet of the cooling structure, and the liquid outlet of the cooling structure is connected to the liquid inlet of the liquid tank.
2. The processing auxiliary device according to claim 1, characterized in that, The air circuit auxiliary unit also includes an air pump, the air outlet of which is connected to the air inlet of the second two-position three-way solenoid valve.
3. A laser processing system, characterized in that, The system includes a laser device and a processing auxiliary device for the laser device as described in any one of claims 1-2.
Citation Information
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