CN215696464U - Laser cleaning device - Google Patents
Laser cleaning device Download PDFInfo
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- CN215696464U CN215696464U CN202122382880.1U CN202122382880U CN215696464U CN 215696464 U CN215696464 U CN 215696464U CN 202122382880 U CN202122382880 U CN 202122382880U CN 215696464 U CN215696464 U CN 215696464U
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Abstract
The application discloses laser belt cleaning device, including focus equipment, pulse laser and the equipment that shifts, pulse laser is connected with focus equipment, and the equipment that shifts is equipped with the fixed knot who is used for fixed metal work piece's first end and constructs, and focus equipment is located metal work piece's second end at metal work piece's projection. The first end of the metal workpiece is fixed on the displacement device, the pulse laser is connected with the focusing device, the projection of the focusing device on the metal workpiece is located at the second end of the metal workpiece, so that the laser beam provided by the pulse laser is focused on the second end of the metal workpiece by the focusing device to strip the insulating layer on the surface of the second end of the metal workpiece.
Description
Technical Field
The application relates to the technical field of laser cleaning, in particular to a laser cleaning device.
Background
Along with the improvement of the awareness of energy conservation, the electric automobile is more and more favored by people.
The motor is a core device of an electric automobile, the copper stator is an important element of the motor, in an actual production process, the motor and other devices need to be welded through the copper stator, and before welding, in order to realize electrical isolation of the copper stator, insulation between the copper stator and the outside needs to be ensured, so that an insulating layer (including a paint layer or an organic insulating layer) is usually coated on the surface of the copper stator, and the insulating layer in a welding area of the copper stator needs to be removed during welding.
Currently, a mechanical stripping mode is usually adopted to remove the insulating layer in the welding area of the copper stator, and the mechanical stripping mode can cause the base material of the copper stator to be damaged, so that the stripping quality of the insulating layer cannot be ensured, and the stripping efficiency of the insulating layer is low.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a laser cleaning device, which can effectively relieve the technical problem that the current insulating layer is low in stripping efficiency.
The embodiment of the application provides a laser belt cleaning device, its characterized in that includes:
a focusing device;
a pulsed laser;
a displacement device;
the pulse laser is connected with the focusing device;
the displacement equipment is provided with a fixing structure for fixing the first end of the metal workpiece;
the projection of the focusing device on the metal workpiece is located at a second end of the metal workpiece.
In some embodiments of the present application, the laser cleaning apparatus further includes a water cooling device, and the focusing device includes a laser galvanometer and a laser field lens;
the pulse laser passes through the water cooling equipment, in proper order with the laser galvanometer with the laser field lens is connected.
In some embodiments of the present application, the power of the pulsed laser is 500W and the focal length of the laser field lens is 170 mm.
In some embodiments of the present application, the water cooling device includes a water cooler, a pulsed laser water cooling pipeline, a focusing device water cooling pipeline, and a displacement device water cooling pipeline;
the pulse laser is connected with one end of the water cooling machine through the pulse laser water cooling pipeline;
the focusing equipment is connected with the other end of the water cooling machine through a focusing equipment water cooling pipeline;
and the displacement equipment is connected with the other end of the water cooler through the displacement equipment water cooling pipeline.
In some embodiments of the present application, the head of the water cooler is 58.5M;
the internal diameter of pulse laser water cooling pipeline is 24mm, the internal diameter of focus equipment water cooling pipeline is 6mm, the internal diameter of the equipment water cooling pipeline that shifts is 12 mm.
In some embodiments of the present application, the laser cleaning apparatus further comprises a displacement control device connected to the displacement device.
In some embodiments of the present application, the indexing device comprises a rotating body and a lifting body;
the fixing structure is arranged on the rotating body, and the metal workpiece fixed on the fixing structure is parallel to the rotating body.
In some embodiments of the present application, the surface of the metal workpiece is coated with an insulating layer;
and the focus of the laser beam emitted by the laser field lens is positioned on the insulating layer on the second end surface of the metal workpiece.
In some embodiments of the present application, the metal workpiece comprises a stator made of copper.
In some embodiments of the present application, the laser cleaning apparatus further comprises a cleaning device comprising an air knife and a dust suction cleaner;
the second end of the metal workpiece is positioned between the air knife and the dust suction cleaner;
the air outlet direction of the air knife is vertical to the second end of the metal workpiece;
and the second end of the metal workpiece is positioned at one side where the dust suction port of the dust suction purifier is positioned.
The laser cleaning device that this application embodiment provided, including focus equipment, pulse laser and the equipment that shifts, pulse laser is connected with focus equipment, and the equipment that shifts is equipped with the fixed knot who is used for fixed metal work piece's first end and constructs, and focus equipment is located metal work piece's second end at metal work piece's projection. The first end of the metal workpiece is fixed on the displacement device, the pulse laser is connected with the focusing device, the projection of the focusing device on the metal workpiece is located at the second end of the metal workpiece, so that the laser beam provided by the pulse laser is focused on the second end of the metal workpiece by the focusing device to strip the insulating layer on the surface of the second end of the metal workpiece.
Drawings
Fig. 1 is a schematic structural diagram of a laser cleaning apparatus provided in an embodiment of the present application.
Fig. 2 is another schematic structural diagram of the laser cleaning apparatus according to the embodiment of the present application.
Fig. 3 is a schematic path diagram of a laser beam according to an embodiment of the present disclosure.
Detailed Description
Specific structural and functional details disclosed herein are merely representative and are provided for purposes of describing example embodiments of the present application. This application may, however, be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.
In the description of the present application, it is to be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and therefore should not be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
The present application is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1, fig. 1 is a schematic structural diagram of a laser cleaning apparatus provided in an embodiment of the present application, and includes a focusing device 1, a pulse laser 2, and a displacement device 3, where the pulse laser 2 is connected to the focusing device 1, the displacement device 3 is provided with a fixing structure (not shown) for fixing a first end 41 of a metal workpiece, and a projection of the focusing device 1 on the metal workpiece 4 is located at a second end 42 of the metal workpiece.
The metal workpiece 4 includes a copper stator (including a regular shape or an irregular shape), the copper stator is often used for welding of the motor, before welding, in order to achieve electrical isolation of the copper stator, it is necessary to ensure that the copper stator is insulated from the outside, therefore, an insulating layer (including a paint layer or an organic insulating layer) is usually coated on the surface of the copper stator, and the insulating layer in the welding area of the copper stator needs to be removed during welding.
In the prior art, the insulating layer in the welding area of the copper stator is usually removed by adopting a mechanical stripping mode, and the mechanical stripping mode can cause the substrate of the copper stator to be damaged, so that the stripping quality of the insulating layer cannot be ensured, and the stripping efficiency of the insulating layer is low.
In the embodiment, the first end of the copper stator is fixed to the displacement device 3, the pulse laser 2 is connected to the focusing device 1, and the projection of the focusing device 1 on the copper stator is located at the second end of the copper stator, so that the focusing device 1 focuses the laser beam provided by the pulse laser 2 on the second end of the copper stator to strip the insulating layer on the surface of the second end of the copper stator.
Specifically, the principle of stripping the insulating layer on the surface of the metal workpiece by a laser cleaning mode is as follows: by utilizing the characteristics of large energy density, controllable direction, strong convergence capability and the like of the laser beam, the insulating layer rapidly expands after absorbing the energy of the laser beam, so that the bonding force between the insulating layer and the metal substrate is damaged (or the insulating layer is gasified to reduce the bonding strength between the insulating layer and the metal substrate), and the purpose of stripping the insulating layer is achieved.
Wherein the fixing structure comprises a hole groove or a clamp, etc., optionally, in order to make the fixing structure capable of fixing metal workpieces with different sizes, the fixing structure can be set in an adjustable form, for example, the hole groove with adjustable hole diameter is used as the fixing structure.
Further, as shown in fig. 2, the displacement device (not shown in the figure) includes a rotating body 31 and a lifting body 32, the fixed structure is disposed on the rotating body 31, the metal workpiece 4 fixed to the fixed structure is parallel to the rotating body 31, the laser cleaning apparatus provided in the embodiment of the present application further includes a displacement control device 5, the displacement control device 5 is connected to the displacement device, the lifting body 32 is controlled to drive the rotating body 31 (i.e., one end of the metal workpiece 4 fixed to the rotating body 31) to move in the vertical direction through the displacement control device 5 in the cleaning process, and the rotating body 31 is controlled to drive the metal workpiece 4 with one end fixed to the rotating body 31 to turn over in the horizontal direction by 0-360 degrees.
Specifically, the focusing apparatus 1 includes a laser galvanometer 11 and a laser field lens 12, and the pulse laser 2 is connected to the laser galvanometer 11 and the laser field lens 12 in turn. The laser galvanometer 11 is used for adjusting the direction of a laser beam provided by the pulse laser 2, the laser field lens 12 is used for emitting the laser beam, and in the laser cleaning process, the laser galvanometer 11 and the laser field lens 12 can be controlled to enable the emitted laser beam to regularly scan in a certain area, and the displacement device 3 is adjusted by the displacement control device 5 to adjust the position of the metal workpiece 4, so that the focus of the laser beam emitted by the laser field lens 12 is located on an insulating layer on the surface of the second end of the metal workpiece, and the scanning cleaning is carried out in the certain area of the insulating layer.
In this embodiment, the power of the pulse laser 2 used is 500W, the shape of the metal workpiece is a rectangular body, the insulating layers on the four sides of the second end of the metal workpiece need to be cleaned, the power of the pulse laser 2 is set to 500W in advance, the pulse width of the pulse laser 2 is set to 100ns, the frequency of the pulse laser 2 is set to 10kHz, the laser field lens 12 with the focal length of 170mm is used, the scanning track of the laser galvanometer 11 is set to "8", and the speed of the laser galvanometer 11 is set to 5000 mm/s.
As shown in fig. 2 and 3, when cleaning the first side surface, under the control of the displacement device 3, the laser galvanometer 11 and the laser field lens 12, the focal point of the laser beam is made to fall on the insulating layer 43 of the side surface, and scanning cleaning is performed a plurality of times within a certain area of the insulating layer 43 to strip the insulating layer of the first side surface of the second end of the metal workpiece 4.
Since the surface of the stripped area is rough after the insulating layer is stripped, optionally, after the insulating layer on the first side surface of the second end of the metal workpiece 4 is stripped, the power of the pulse laser 2 can be set to 250W, the pulse width of the pulse laser 2 can be set to 30ns, the frequency of the pulse laser 2 can be set to 50kHz, and the speed of the laser galvanometer 11 can be adjusted to 8000mm/s, so as to polish the surface of the stripped area, reduce the roughness of the surface of the stripped area, and further make the surface of the stripped area smoother and brighter.
When cleaning the second side, first, the rotary body 31 in the displacement device 3 is adjusted to rotate the metal workpiece 4 by 90 ° so that the second side of the metal workpiece 4 faces the laser field lens 12, and the distance between the second side of the metal workpiece 4 and the laser field lens 12 is adjusted by the elevating body 32 of the displacement device 3 so that the focal point of the laser beam emitted from the laser field lens 12 falls on the insulating layer 43 of the side, and scanning cleaning is performed a plurality of times in a certain area of the insulating layer 43 to strip the insulating layer of the second side of the second end of the metal workpiece 4, the power of the pulse laser 2 is adjusted to 250W, the pulse width of the pulse laser 2 is adjusted to 30ns, the frequency of the pulse laser 2 is adjusted to 50kHz, and the speed of the laser oscillating mirror 11 is adjusted to 8000mm/s to polish the surface of the stripped area.
When cleaning the third side, firstly, the rotating body 31 in the displacement device 3 is adjusted to rotate the metal workpiece 4 by 90 degrees (corresponding to 180 degrees based on the first side), so that the third side of the metal workpiece 4 faces the laser field lens 12, and the distance between the third side of the metal workpiece 4 and the laser field lens 12 is adjusted by the lifting body 32 of the displacement device 3, so that the focus of the laser beam emitted from the laser field lens 12 falls on the insulating layer 43 of the side, and the scanning cleaning is performed for a plurality of times in a certain area of the insulating layer 43, so that the insulating layer of the third side of the second end of the metal workpiece 4 is stripped, the power of the pulse laser 2 is adjusted to 250W, the pulse width of the pulse laser 2 is adjusted to 30ns, the frequency of the pulse laser 2 is adjusted to 50kHz, and the speed of the laser galvanometer 11 is adjusted to 8000mm/s, to polish the surface of the strip area.
When cleaning the fourth side, firstly, the rotating body 31 in the displacement device 3 is adjusted to rotate the metal workpiece 4 by 90 degrees (corresponding to 270 degrees based on the first side), so that the fourth side of the metal workpiece 4 faces the laser field lens 12, and the distance between the fourth side of the metal workpiece 4 and the laser field lens 12 is adjusted by the lifting body 32 of the displacement device 3, so that the focus of the laser beam emitted from the laser field lens 12 falls on the insulating layer 43 of the side, and the scanning cleaning is performed for a plurality of times in a certain area of the insulating layer 43, so that the insulating layer of the fourth side of the second end of the metal workpiece 4 is stripped, the power of the pulse laser 2 is adjusted to 250W, the pulse width of the pulse laser 2 is adjusted to 30ns, the frequency of the pulse laser 2 is adjusted to 50kHz, and the speed of the laser galvanometer 11 is adjusted to 8000mm/s, to polish the surface of the strip area.
Because in the laser cleaning process, can carry out accurate adjustment to the technological parameter of focusing equipment 1, pulse laser 2 and equipment 3 that shifts according to actual conditions, when the insulating layer of different materials or different thickness need be peeled off, correspond the technological parameter of adjusting each equipment can, therefore, the laser cleaning device that this application embodiment provided does not receive the restriction of insulating layer material and thickness, can all effectively peel off to the insulating layer of arbitrary material or arbitrary thickness, and the stripping precision of metal work piece insulating layer is higher, under the prerequisite of guaranteeing the stripping efficiency of metal work piece insulating layer, furthest has avoided metal substrate not to receive the damage.
Optionally, the metal workpiece 4 may also be in an irregular shape, and in a practical application process, the displacement device 3 is only required to be controlled to adjust a distance from the insulating layer to be stripped in the metal workpiece 4 to the laser field lens 12, so that a focal point of a laser beam emitted by the laser field lens 12 is located on the insulating layer of the metal workpiece 4.
Further, in the practical application process, because the laser cleaning device can generate a large amount of energy in the long-term operation process, the laser cleaning device is in a heating state, the normal operation of each device in the laser cleaning device is influenced, the laser cleaning efficiency is reduced, and the service life of the laser cleaning device can be even shortened.
In order to avoid adverse effects caused by heat generation of the laser cleaning device, the temperature of the laser cleaning device needs to be timely reduced in the operation process of the laser cleaning device. As shown in fig. 2, the laser cleaning apparatus provided in the embodiment of the present application further includes a water cooling device (not shown), and the water cooling device is respectively connected to the focusing device 1, the pulse laser 2, and the displacement device 3, so as to reduce energy generated during the operation of the focusing device 1, the pulse laser 2, and the displacement device 3.
The water cooling equipment comprises a water cooling machine 61, a pulse laser water cooling pipeline 62, a focusing equipment water cooling pipeline 63 and a displacement equipment water cooling pipeline 64.
Specifically, the pulse laser 2 is sequentially connected with the laser galvanometer 11 and the laser field lens 12 through a water cooling device, wherein the pulse laser 2 is connected with one end of the water cooling machine 61 through a pulse laser water cooling pipeline 62, the laser galvanometer 11 and the laser field lens 12 are connected with the other end of the water cooling machine 61 through a focusing device water cooling pipeline 63, and the displacement device 3 is connected with the other end of the water cooling machine 61 through a displacement device water cooling pipeline 64.
In practical application, the flow rate of the water cooler 61 is preferably 4M2The lift is 58.5M, the inner diameter of a pulse laser water cooling pipeline 62 is 24mm, the inner diameter of a focusing equipment water cooling pipeline 63 is 6mm, and displacement equipment waterThe inner diameter of the cold pipe 64 is 12 mm.
In the actual use process, firstly, a certain amount of water is injected into a stainless steel water tank in the water cooling machine 61, and the water is cooled by a refrigerating system of the water cooling machine 61, wherein the specific cooling process is as follows: the refrigeration compressor sucks low-pressure low-temperature refrigeration gas in the evaporator into the cylinder, the low-pressure low-temperature refrigeration gas is made to work through the compressor to be gas with higher pressure and temperature, the gas enters the condenser, high-temperature high-pressure refrigerant gas exchanges heat with cooling medium cooling air, heat is transferred to the outside of the water cooler 61, the refrigerant gas is condensed into high-pressure liquid, after cooling is completed, low-temperature cooling water is pressurized by a water pump of the water cooler 61 and is respectively transferred to the pulse laser 2 to be cooled, the focusing equipment 1 and the displacement equipment 3 through the pulse laser water cooling pipeline 62, the focusing equipment water cooling pipeline 63 and the displacement equipment water cooling pipeline 64, and the effect of cooling is achieved, so that normal operation of all equipment in the laser cleaning device is guaranteed.
Further, because in the laser cleaning process, the insulating layer can expand rapidly after absorbing the energy of the laser beam, the binding force between the insulating layer and the metal substrate is damaged, the insulating layer can be separated from the metal substrate, thereby forming a large amount of dust, if the dust is not cleaned in time, the accumulated dust can cause adverse effects on the laser cleaning device, for example, the hole slot on the rotating body 31 is blocked by the large amount of accumulated dust, the friction force between the metal workpiece 4 and the inner wall of the hole slot is too large, the metal workpiece 4 is blocked, the metal workpiece 4 with the insulating layer stripped can not be taken out from the hole slot smoothly, in addition, the environment can be seriously polluted by the large amount of dust lifted, and if the dust is sucked by a human body, the serious harm can be caused to the health of the human body.
In order to avoid the adverse effect caused by the dust accumulation, as shown in fig. 2, the laser cleaning apparatus provided in the embodiment of the present application further includes a cleaning device (not shown), which includes an air knife (not shown) and a dust suction cleaner 7.
The second end of the metal workpiece 4 is located between the air knife and the dust collection purifier 7, the air outlet direction of the air knife is perpendicular to the second end of the metal workpiece 4, and the second end of the metal workpiece 4 is located on one side of the dust collection port of the dust collection purifier 7.
Specifically, air knives, including strip-type air knives and annular air knives, are devices specifically designed to blow a strong, high-velocity gas stream, which is commonly used to blow off dust and impurities during industrial processes. When the air knife is in use, compressed air enters the air knife high-pressure cavity through the air inlet of the air knife, and the compression ratio of the air knife high-pressure cavity to high-pressure air flow is 40: 1, the air flow speed loss is minimized, the pressure is maximized, and after the air flow passes through a narrow and thin nozzle, uniform air flow is formed in the length direction of the air knife.
In order to ensure the dust removing efficiency, preferably, the air flow of the air knife is greater than 50L/min, during the actual use, the air outlet of the air flow of the air knife can be vertically placed right above the second end (insulation stripping area) of the metal workpiece 4, and the side of the dust collection port of the dust collection purifier 7 is arranged at the position vertical to the second end of the metal workpiece 4, so that the air flow blown by the air knife directly blows the dust into the dust collection port of the dust collection purifier 7, and the dust collection purifier is rotated at high speed by the electric suction fan in the dust collection purifier 7 to generate higher suction force and pressure under the high-speed rotation, the air is discharged at high speed under the action of the suction force and pressure, and the air sucked from the dust collection port continuously supplements the air in the electric suction fan, so that the instant vacuum is generated inside the dust collection purifier 7, and forms a negative pressure difference with the external atmospheric pressure, under the action of the negative pressure difference, air containing dust is sucked, the dust enters a dust filtering bag in the dust collection purifier 7, so that the dust is retained in the dust filtering bag, the air is purified by a filter disc in the dust collection purifier 7 and then is discharged by the dust collection purifier 7, and the generated dust is purified in time in the laser cleaning process.
The laser cleaning device that this application embodiment provided, including focus equipment, pulse laser and the equipment that shifts, pulse laser is connected with focus equipment, and the equipment that shifts is equipped with the fixed knot who is used for fixed metal work piece's first end and constructs, and focus equipment is located metal work piece's second end at metal work piece's projection. The first end of the metal workpiece is fixed on the displacement device, the pulse laser is connected with the focusing device, the projection of the focusing device on the metal workpiece is located at the second end of the metal workpiece, so that the laser beam provided by the pulse laser is focused on the second end of the metal workpiece by the focusing device to strip the insulating layer on the surface of the second end of the metal workpiece.
In summary, although the present application has been described with reference to the preferred embodiments, the above-mentioned preferred embodiments are not intended to limit the present application, and those skilled in the art will be able to change the embodiments and applications without departing from the spirit and scope of the present application, so that the scope of the present application shall be limited by the scope of the appended claims.
Claims (10)
1. A laser cleaning device, comprising:
a focusing device;
a pulsed laser;
a displacement device;
the pulse laser is connected with the focusing device;
the displacement equipment is provided with a fixing structure for fixing the first end of the metal workpiece;
the projection of the focusing device on the metal workpiece is located at a second end of the metal workpiece.
2. The laser cleaning device according to claim 1, further comprising a water cooling device, wherein the focusing device comprises a laser galvanometer and a laser field lens;
the pulse laser passes through the water cooling equipment, in proper order with the laser galvanometer with the laser field lens is connected.
3. The laser cleaning device according to claim 2, wherein the power of the pulse laser is 500W, and the focal length of the laser field lens is 170 mm.
4. The laser cleaning device according to claim 2, wherein the water cooling equipment comprises a water cooling machine, a pulse laser water cooling pipeline, a focusing equipment water cooling pipeline and a displacement equipment water cooling pipeline;
the pulse laser is connected with one end of the water cooling machine through the pulse laser water cooling pipeline;
the focusing equipment is connected with the other end of the water cooling machine through a focusing equipment water cooling pipeline;
and the displacement equipment is connected with the other end of the water cooler through the displacement equipment water cooling pipeline.
5. The laser cleaning device according to claim 4, wherein the head of the water cooling machine is 58.5M;
the internal diameter of pulse laser water cooling pipeline is 24mm, the internal diameter of focus equipment water cooling pipeline is 6mm, the internal diameter of the equipment water cooling pipeline that shifts is 12 mm.
6. The laser cleaning apparatus according to claim 2, further comprising a displacement control device connected to the displacement device.
7. The laser cleaning apparatus according to claim 6, wherein the displacement device includes a rotating body and a lifting body;
the fixing structure is arranged on the rotating body, and the metal workpiece fixed on the fixing structure is parallel to the rotating body.
8. The laser cleaning device according to claim 7, wherein the surface of the metal workpiece is coated with an insulating layer;
and the focus of the laser beam emitted by the laser field lens is positioned on the insulating layer on the second end surface of the metal workpiece.
9. The laser cleaning apparatus of claim 8, wherein the metal workpiece comprises a copper stator.
10. The laser cleaning apparatus according to claim 1, further comprising a cleaning device comprising an air knife and a dust suction cleaner;
the second end of the metal workpiece is positioned between the air knife and the dust suction cleaner;
the air outlet direction of the air knife is vertical to the second end of the metal workpiece;
and the second end of the metal workpiece is positioned at one side where the dust suction port of the dust suction purifier is positioned.
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| CN115488107A (en) * | 2022-09-19 | 2022-12-20 | 深圳市铭镭激光设备有限公司 | Workpiece cleaning method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115488107A (en) * | 2022-09-19 | 2022-12-20 | 深圳市铭镭激光设备有限公司 | Workpiece cleaning method |
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