CN113649702A - Device and method for testing action time of laser ablation metal material - Google Patents
Device and method for testing action time of laser ablation metal material Download PDFInfo
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- CN113649702A CN113649702A CN202111041706.9A CN202111041706A CN113649702A CN 113649702 A CN113649702 A CN 113649702A CN 202111041706 A CN202111041706 A CN 202111041706A CN 113649702 A CN113649702 A CN 113649702A
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- 238000012360 testing method Methods 0.000 title claims abstract description 64
- 239000007769 metal material Substances 0.000 title claims abstract description 54
- 238000000608 laser ablation Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 54
- 238000002679 ablation Methods 0.000 claims abstract description 41
- 238000001514 detection method Methods 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 11
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 238000004154 testing of material Methods 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 2
- 230000015556 catabolic process Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 2
- 108010066114 cabin-2 Proteins 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000010979 ruby Substances 0.000 description 1
- 229910001750 ruby Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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Abstract
The invention belongs to the technical field of laser ablation, in particular to a device and a method for testing the action time of a laser ablation metal material, aiming at the problem of poor test effect of laser ablation time length, the invention provides the following scheme, which comprises a base, wherein the base is a supporting piece of the whole equipment; the laser storehouse, the laser storehouse is located top outer wall one side of base, and the outside sliding connection in laser storehouse has the casing, the inner wall in laser storehouse is equipped with group battery, laser generator, steers to pipe and connector, laser generator's output and the bottom that steers to the pipe are connected, and the group battery is connected with laser generator through the wire. The strength of the material is tested by using the time length for breaking down the material, wherein the fixed thickness of the material is at the same height of the laser, the bombardment breakdown moment is the strength of the material, the laser action energy can be obtained by the product of the output energy per second of the laser and the time length, and the ablation parameters of the metal material are accurately obtained.
Description
Technical Field
The invention relates to the technical field of laser ablation, in particular to a device and a method for testing the action time of laser ablation of a metal material.
Background
The laser ablation is to make a solid sample into a sheet shape and place the sheet on a sample table, and focus a laser beam on the surface of the sample. A ruby laser is used for primary laser bombardment, a pit with a small diameter can be generated on a sample, plasma gas flows through the surface of the sample when the sample is consumed, then the plasma gas is guided into a plasma torch through a guide pipe, and the sample is ionized in the torch.
The device and the method for testing the action time of the laser ablation metal material, disclosed in the publication No. CN109352181B, comprise a constant voltage source or a constant current source, the metal material, an oscilloscope, a signal generator, a laser, a current tester and a voltage tester, wherein the constant voltage source or the constant current source is used for providing voltage or current for the metal material.
After the metal material is bombarded by the laser, the voltage, the current and the laser value at two ends of the bombarded residual metal are utilized, but the detection ablation problem can be influenced due to the overlong or overlong laser action time, for example, the bombarded residual metal is a tiny pit, the change range of the numerical value is too small, the reference value is not high, the material is punctured for overlong time, but the bombardment is still carried out, the long-time recording failure can be caused, and the change of the ablation parameter of the material has no significance.
Therefore, the material breakdown is adopted as the ablation degree, and different material thicknesses and laser ablation paths are changed, so that the action time of the laser ablation is more significant.
Disclosure of Invention
The device and the method for testing the action time of the laser ablation metal material solve the problem of poor test effect of laser ablation time.
In order to achieve the purpose, the invention adopts the following technical scheme:
a testing device for laser ablation metal material action time comprises a base, wherein the base is a supporting piece of integral equipment; the laser bin is positioned on one side of the outer wall of the top of the base, the outer edge of the laser bin is connected with the shell in a sliding mode, the inner wall of the laser bin is provided with a battery pack, a laser generator, a steering tube and a connector, the output end of the laser generator is connected with the bottom end of the steering tube, the battery pack is connected with the laser generator through a wire, and the connector is positioned on the inner wall of the end portion of the steering tube; the other end of the connector is connected with a connecting pipe, the end part of the connecting pipe is connected with a laser box, the bottom side of the laser box is provided with a laser lens, the bottom side of the outer wall of the laser bin is provided with an on-off switch, and the on-off switch is connected with a battery pack through a wire; the outer wall of the laser box is provided with a console, and a signal end of the console is electrically connected with the laser generator, the laser sensor, the timer and the circuit breaker;
the outer wall of the laser bin is provided with a slide rail, the outer wall of the material placing assembly is connected to the outer wall of the slide rail in a sliding mode, the outer wall of the top of the base is fixedly connected with a lifting hydraulic cylinder, and one end of a piston rod of the lifting hydraulic cylinder is connected to the bottom side of the material placing assembly;
the detection assembly is positioned below the laser lens and is used for detecting an instantaneous point of the laser lens ablated metal; the inner wall of the detection assembly is inserted with a transparent carrying plate, and the transparent carrying plate is used for carrying ablated metal drips;
the detection assembly comprises a supporting plate frame and a laser sensor, the laser sensor is located below the supporting plate frame, a through hole is formed in the outer wall of the top of the supporting plate frame, the transparent receiving plate is located on the inner side of the through hole of the supporting plate frame, a signal end of the laser sensor is connected with a timer and a circuit breaker, and the signal end of the circuit breaker is electrically connected with the laser generator.
As a further scheme of the invention, the material placing assembly comprises a supporting plate, sliding frames, supports, side sliding rails and fixing pieces, wherein the supports are symmetrically arranged on the outer walls of the two sides of the supporting plate, the bottom side of the supporting plate is connected to the sliding rails through the L-shaped sliding frames, the side sliding rails are vertically connected to the inner side of the supports, and the two ends of the fixing pieces are slidably connected between the side sliding rails on the two sides.
As a further scheme of the invention, one side of the supporting plate, which is close to the detection assembly, is provided with a slot, and the laser lens is positioned right above the slot.
As a further scheme of the invention, the fixing piece comprises a pressing plate and a locking screw rod, two ends of the pressing plate are connected between the side sliding rails on two sides in a sliding mode, and the locking screw rod is vertically connected to the connecting position of the pressing plate and the side sliding rails through bolts.
As a further scheme of the invention, the side edge of the side slide rail is provided with thickness scales.
As a further scheme of the invention, the middle part of the outer wall of the laser cabin is provided with lifting scales, and the bottom end of the laser lens is flush with the scales at the top end of the lifting scales.
As a further scheme of the invention, the outer wall of one side of the laser bin, which is far away from the laser box, is provided with a heat dissipation groove, and the inner wall of the laser bin, which is positioned at the same horizontal side of the heat dissipation groove, is fixedly connected with a fan.
As a further scheme of the invention, the steering tube is L-shaped, the right angle of the steering tube is provided with an adjuster, and the inner wall of the adjuster is provided with a reflector of one degree.
As a further scheme of the invention, the inner edge of the bottom side of the laser lens is clamped with the lens cover, and the lens cover is connected with the outer wall of the laser lens through a rope belt.
A method for testing the action time of laser ablation metal materials is carried out according to the following steps:
s1: cutting a metal material to be ablated into a standard sample wafer, and placing the testing end of the sample wafer at the opening end of the supporting plate to enable the laser lens to be positioned right above the testing point;
s2: then pressing the end face of the material by using a pressing plate in the fixing piece, fixing the position of the pressing plate by using a locking screw rod, and reading the thickness of a corresponding material testing end at the moment;
s3: then, a lifting hydraulic cylinder is utilized to position the supporting plate at an initial scale, an opening and closing switch is turned on, parameters of laser are set on a control console, and then after the control console is started, a laser generator is vertically shot at an ablation position after two reflections;
s4: when the ablation thickness of the ablation material is reached, the laser reaches the position of the laser sensor, the laser generator stops, and the timer stops timing at the same time, so that the ablation time length of the material under a certain thickness is obtained, and the ablation parameters of the metal material are obtained;
s5: reading parameters through a control console, then taking down the ablative metal material, drawing out the transparent carrying plate on the supporting plate frame, and removing the metal ablative melt;
s6: under the action of a lifting hydraulic cylinder, the supporting plate is lifted, so that the distance between the bottom end of the laser lens and the material on the supporting plate is changed, ablation duration tests of different laser ablation heights are realized, and a group of data is obtained;
s7: meanwhile, the same metal material is replaced by different thicknesses to be tested, the ablation and punch-through duration of different thicknesses under laser is obtained, a group of data is obtained, and the ablation test data of the metal material can be obtained by combining multiple groups of data such as S, S.
Compared with the prior art, the invention has the beneficial effects that:
1. the time testing device adopts the method that the strength of a material is tested by using the time length of the breakdown material, wherein the fixed thickness of the material is at the same height of laser, the bombardment breakdown is instantly the strength of the material, and the laser action energy can be obtained by the product of the output energy per second of the laser and the time length, so as to obtain the ablation parameter of the metal material;
2. the time testing device utilizes the laser receiving sensor at the bottom side, laser breakdown is simultaneously induced by the rear sensor and then stops, the error of stopping when the whole breakdown reaches the length is within 0.001S, the whole laser action energy and the ablation parameters of the metal material are not influenced during calculation, and the time testing device is more accurate;
3. the time testing device has various adjustable parameters, can adjust various laser parameters, laser intensity, laser action distance, material parameters, material thickness, shapes of material breakdown positions and the like, and has practical significance for the research of laser ablation materials.
Drawings
Fig. 1 is a schematic perspective view of an embodiment 1 of a device and a method for testing an action time of a laser-ablated metal material according to the present invention;
FIG. 2 is a schematic side view of a device and a method for testing the action time of a laser ablation metal material according to an embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a starting-up case in embodiment 1 of an apparatus and a method for testing an action time of a laser ablation metal material according to the present invention;
FIG. 4 is a side view of the structure of FIG. 3;
fig. 5 is a schematic perspective view of an adjusting structure of a material placement module in embodiment 1 of an apparatus and a method for testing an action time of a laser ablation metal material according to the present invention;
fig. 6 is a schematic front view of an adjusting structure of a material placement module in embodiment 1 of the apparatus and method for testing the action time of laser ablation of a metal material according to the present invention;
fig. 7 is a schematic perspective view of an embodiment 2 of an apparatus and a method for testing an action time of a laser ablation metal material according to the present invention;
fig. 8 is a schematic structural diagram of a test piece in embodiment 2 of an apparatus and a method for testing an action time of a laser ablation metal material according to the present invention.
In the figure: 1. a base; 2. a laser bin; 21. a battery pack; 22. a laser generator; 23. a steering tube; 24. a regulator; 25. a fan; 3. a housing; 4. a laser box; 5. a console; 6. a laser lens; 7. a mirror cover; 8. lifting scales; 9. a connecting pipe; 10. a material placement assembly; 101. a support plate; 102. a fixing member; 1021. pressing a plate; 1022. locking the screw rod; 103. a side slide rail; 104. a support; 105. a carriage; 11. a detection component; 111. a laser receiving sensor; 112. a pallet frame; 12. a transparent receiving plate; 13. a lifting hydraulic cylinder; 14. a slide rail; 15. a heat sink; 16. opening and closing a switch; 17. a clamping block; 18. testing the piece; 181. a high temperature resistant cylinder; 182. testing the material bar; 183. an overflow aperture; 184. and breaking down the laser receiving sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to FIGS. 1-6: a testing device for laser ablation metal material action time comprises a base 1, wherein the base 1 is a supporting piece of integral equipment; the laser cabin 2 is positioned on one side of the outer wall of the top of the base 1, the outer edge of the laser cabin 2 is connected with the shell 3 in a sliding mode, the inner wall of the laser cabin 2 is provided with a battery pack 21, a laser generator 22, a steering tube 23 and a connector, the steering tube 23 is L-shaped, the right angle of the steering tube 23 is provided with a regulator 24, the inner wall of the regulator 24 is provided with a 45-degree reflector, the output end of the laser generator 22 is connected with the bottom end of the steering tube 23, the battery pack 21 is connected with the laser generator 22 through a lead, and the connector is positioned on the inner wall of the end portion of the steering tube 23; the other end of the connector is connected with a connecting pipe 9, the end part of the connecting pipe 9 is connected with a laser box 4, the bottom side of the laser box 4 is provided with a laser lens 6, the inner side of the bottom side of the laser lens 6 is clamped with a mirror cover 7, the mirror cover 7 is connected with the outer wall of the laser lens 6 through a rope belt, the bottom side of the outer wall of the laser bin 2 is provided with an opening and closing switch 16, and the opening and closing switch 16 is connected with a battery pack 21 through a wire; the outer wall of the laser box 4 is provided with a console 5, and the signal end of the console 5 is electrically connected with the laser generator 22, the laser receiving sensor 111, the timer and the breaker; the middle part of the outer wall of the laser cabin 2 is provided with a lifting scale 8, and the bottom end of the laser lens 6 is flush with the scale at the top end of the lifting scale 8;
the material placing assembly 10 comprises a supporting plate 101, a sliding frame 105, a support 104, side sliding rails 103 and a fixing piece 102, wherein the support 104 is symmetrically arranged on the outer walls of two sides of the supporting plate 101, the bottom side of the supporting plate 101 is connected to a sliding rail 14 through an L-shaped sliding frame 105, the side sliding rails 103 are vertically connected to the inner side of the support 104, two ends of the fixing piece 102 are slidably connected between the side sliding rails 103 on two sides, one side, close to the detection assembly 11, of the supporting plate 101 is provided with a groove, the laser lens 6 is located right above the groove, the fixing piece 102 comprises a pressing plate 1021 and locking screws 1022, two ends of the pressing plate 1021 are slidably connected between the side sliding rails 103 on two sides, and the locking screws 1022 are vertically connected to the connection positions of the pressing plate 1021 and the side sliding rails 103 through bolts; the side edge of the side sliding rail 103 is provided with thickness scales, the outer wall of the laser bin 2 is provided with a sliding rail 14, the outer wall of the material placing component 10 is connected to the outer wall of the sliding rail 14 in a sliding manner, the outer wall of the top of the base 1 is fixedly connected with a lifting hydraulic cylinder 13, and one end of a piston rod of the lifting hydraulic cylinder 13 is connected to the bottom side of the material placing component 10; the outer wall of one side, far away from the laser box 4, of the laser bin 2 is provided with a heat dissipation groove 15, and the inner wall of the laser bin 2 is located on one side, horizontal to the heat dissipation groove 15, of the fixedly connected fan 25
The detection assembly 11 is positioned below the laser lens 6, and the detection assembly 11 is used for detecting the instantaneous point of the metal ablated by the laser lens 6; a transparent carrying plate 12 is inserted into the inner wall of the detection assembly 11, and the transparent carrying plate 12 is used for carrying ablation metal drips;
the detection assembly 11 comprises a supporting plate frame 112 and a laser receiving sensor 111, the model of the laser receiving sensor 111 is HS0038B7, the laser receiving sensor 111 is located below the supporting plate frame 112, a through hole is formed in the outer wall of the top of the supporting plate frame 112, the transparent bearing plate 12 is located on the inner side of the through hole of the supporting plate frame 112, a signal end of the laser receiving sensor 111 is connected with a timer and a breaker, the signal end of the breaker is electrically connected with the laser generator 22, and the timer adopts a Miroad DS3231 high-precision clock module.
The method for testing the action time of the laser ablation metal material is carried out according to the following steps:
s1: cutting a metal material to be ablated into a standard sample wafer, and placing the testing end of the sample wafer at the opening end of the supporting plate 101 to enable the laser lens 6 to be positioned right above the testing point;
s2: then, the end face of the material is pressed by the pressing plate 1021 in the fixing part 102, and the position of the pressing plate 1021 is fixed by the locking screw 1022, so that the thickness of the corresponding material testing end can be read;
s3: then, the supporting plate 101 is positioned at the initial scale by using the lifting hydraulic cylinder 13, the on-off switch 16 is turned on, the parameters of laser are set on the console 5, and then after the starting, the laser generator 22 is vertically shot at the ablation position after twice reflection;
s4: when the ablation thickness of the ablation material is reached, the laser reaches the position of the laser receiving sensor 111, the laser generator 22 stops at the moment, and the timer stops timing at the same time, so that the ablation time length of the material under a certain thickness is obtained, and the ablation parameters of the metal material are obtained;
s5: reading parameters through the console 5, then taking down the ablative metal material, drawing out the transparent carrying plate 12 on the pallet 112, and removing the metal ablative melt;
s6: under the action of the lifting hydraulic cylinder 13, the supporting plate 101 is lifted, so that the distance between the bottom end of the laser lens 6 and the material on the supporting plate 101 is changed, ablation duration tests of different laser ablation heights are realized, and a group of data is obtained;
s7: meanwhile, the same metal material is replaced by different thicknesses to be tested, the ablation penetration duration of different thicknesses under laser is obtained, a group of data is obtained, and the ablation test data of the metal material can be obtained by combining multiple groups of data such as S4 and S6.
Example 2
Referring to FIGS. 7-8: relative to embodiment 1, the main difference of the embodiment is that the embodiment further comprises a clamping block 17, a sliding groove is formed in the bottom side of the clamping block 17, a locking screw is arranged on the outer wall of the clamping block 17, a test piece 18 is clamped and fixed between the clamping blocks 17, and the test piece 18 is of a rod-shaped structure.
The test piece 18 comprises a high-temperature-resistant cylinder 181, an overflow hole 183 is formed in the outer wall of the high-temperature-resistant cylinder 181 and used for detecting overflow of a metal material ablation melting material, meanwhile, a test material rod 182 structure matched with the length and thickness of the high-temperature-resistant cylinder 181 is made of the test metal material and then clamped between clamping blocks 17 for testing, and a breakdown laser receiving sensor 184 used when the material is broken down is arranged at the bottom of the test material rod to ensure that laser of the test material rod cannot be excessively ablated.
The test method is carried out according to the following steps:
s1: cutting a metal material to be ablated into a test material rod 182, and placing a test end of the test material rod 182 at the opening end of the high-temperature resistant cylinder 181, so that the laser lens 6 is positioned right above the test point;
s2: then, the supporting plate 101 is positioned at the initial scale by utilizing the clamping blocks 17 which are vertically fixed between the supporting plates, the end surfaces of the supporting plates are flush with the clamping blocks 17 at the moment, the lifting hydraulic cylinder 13 is utilized to adjust the distance between the end surface of the test piece 18 and the laser lens 6, the on-off switch 16 is opened, the parameters of laser are set on the console 5, and then after the starting, the laser generator 22 is vertically shot at the ablation position after twice reflection;
s3: when the ablation material is timed, the ablation parameters of the metal material can be obtained by correspondingly ablating two different lengths of the residual rod body after ablation;
s5: the whole rod body is broken down through ablation, and then the state and duration of ablation of the material in the limit thickness are obtained, so that the ablation resistance degree of the metal material is obtained;
s6: under the action of the lifting hydraulic cylinder 13, the supporting plate 101 is lifted, so that the distance between the bottom end of the laser lens 6 and the material on the supporting plate 101 is changed, the ablation duration test of different laser ablation heights is realized, and the material ablation parameters under the action of different laser energies are obtained.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A laser ablation metal material action time testing device is characterized by comprising:
the base (1), the said base (1) is the support of the integral apparatus;
the laser cabin (2), the laser cabin (2) is located on one side of the outer wall of the top of the base (1), the outer edge of the laser cabin (2) is connected with the shell (3) in a sliding mode, the inner wall of the laser cabin (2) is provided with a battery pack (21), a laser generator (22), a steering pipe (23) and a connector, the output end of the laser generator (22) is connected with the bottom end of the steering pipe (23), the battery pack (21) is connected with the laser generator (22) through a conducting wire, and the connector is located on the inner wall of the end portion of the steering pipe (23); the other end of the connector is connected with a connecting pipe (9), the end part of the connecting pipe (9) is connected with a laser box (4), a laser lens (6) is arranged at the bottom side of the laser box (4), an opening and closing switch (16) is arranged at the bottom side of the outer wall of the laser bin (2), and the opening and closing switch (16) is connected with a battery pack (21) through a wire; the outer wall of the laser box (4) is provided with a console (5), and the signal end of the console (5) is electrically connected with the laser generator (22), the laser receiving sensor (111), the timer and the circuit breaker;
the laser bin comprises a material placing component (10), a sliding rail (14) is arranged on the outer wall of the laser bin (2), the outer wall of the material placing component (10) is connected to the outer wall of the sliding rail (14) in a sliding mode, a lifting hydraulic cylinder (13) is fixedly connected to the outer wall of the top of the base (1), and one end of a piston rod of the lifting hydraulic cylinder (13) is connected to the bottom side of the material placing component (10);
the detection assembly (11), the detection assembly (11) is positioned below the laser lens (6), and the detection assembly (11) is used for detecting the instantaneous point of the metal ablated by the laser lens (6); the inner wall of the detection assembly (11) is inserted with a transparent bearing plate (12), and the transparent bearing plate (12) is used for bearing the ablation metal dropping;
detection element (11) are including bracket (112) and laser receiving sensor (111), laser receiving sensor (111) are located the below of bracket (112), the top outer wall of bracket (112) is opened there is the through-hole, and the transparent through-hole inboard that is located bracket (112) of accepting board (12), the signal end of laser receiving sensor (111) is connected with time-recorder and circuit breaker, and electric connection between the signal end of circuit breaker and laser generator (22).
2. The device for testing the action time of the laser ablation metal material according to claim 1, wherein the material placing assembly (10) comprises a supporting plate (101), a sliding frame (105), a bracket (104), side sliding rails (103) and a fixing piece (102), the bracket (104) is symmetrically arranged on the outer walls of two sides of the supporting plate (101), the bottom side of the supporting plate (101) is connected to the sliding rails (14) through the L-shaped sliding frame (105), the side sliding rails (103) are vertically connected to the inner side of the bracket (104), and two ends of the fixing piece (102) are slidably connected between the side sliding rails (103) of two sides.
3. The device for testing the action time of the laser ablation metal material according to claim 2, wherein a slot is formed in one side of the supporting plate (101) close to the detection assembly (11), and the laser lens (6) is positioned right above the slot.
4. The device for testing the action time of the laser ablation metal material as claimed in claim 2, wherein the fixing member (102) comprises a pressing plate (1021) and a locking screw (1022), two ends of the pressing plate (1021) are slidably connected between the side rails (103) at two sides, and the locking screw (1022) is vertically connected to the connection part of the pressing plate (1021) and the side rails (103) through bolts.
5. The device for testing the action time of the laser ablation metal material according to claim 1, wherein the side edge of the side slide rail (103) is provided with a thickness scale.
6. The device for testing the action time of the laser ablation metal material according to claim 1, wherein the middle part of the outer wall of the laser cabin (2) is provided with a lifting scale (8), and the bottom end of the laser lens (6) is level with the top scale of the lifting scale (8).
7. The device for testing the action time of the laser ablation metal material according to claim 1, wherein a heat dissipation groove (15) is formed in the outer wall of the laser bin (2) on the side far away from the laser box (4), and a fan (25) is fixedly connected to the inner wall of the laser bin (2) on the same horizontal side of the heat dissipation groove (15).
8. The device for testing the action time of the laser ablation metal material according to the claim 1, characterized in that the steering tube (23) is L-shaped, the right angle of the steering tube (23) is provided with an adjuster (24), and the inner wall of the adjuster (24) is provided with a 45-degree reflector.
9. The device for testing the action time of the laser ablation metal material according to claim 1, wherein a mirror cover (7) is clamped on the inner edge of the bottom side of the laser lens (6), and the mirror cover (7) is connected with the outer wall of the laser lens (6) through a rope.
10. The testing method of the device for testing the action time of the laser ablation metal material as claimed in claim 1, characterized in that the testing method of the action time of the laser ablation metal material is carried out according to the following steps:
s1: cutting a metal material to be ablated into a standard sample wafer, and placing the testing end of the sample wafer at the opening end of the supporting plate (101) to enable the laser lens (6) to be positioned right above the testing point;
s2: then, the end face of the material is pressed by a pressing plate (1021) in the fixing piece (102), the position of the pressing plate (1021) is fixed by a locking screw rod (1022), and the thickness of the corresponding material testing end can be read;
s3: then, a lifting hydraulic cylinder (13) is utilized to position the supporting plate (101) at an initial scale, an on-off switch (16) is turned on, laser parameters are set on a control console (5), and then after the starting, a laser generator (22) is vertically shot at an ablation position after two reflections;
s4: when the ablation thickness of the material is ablated, the laser of the material reaches the position of a laser receiving sensor (111), the laser generator (22) stops at the moment, and the timer stops timing at the same time, so that the ablation time length of the material under a certain thickness is obtained, and the ablation parameter of the metal material is obtained;
s5: reading parameters through a control console (5), then taking down the ablative metal material, drawing out a transparent carrying plate (12) on a pallet (112), and removing the metal ablative melt;
s6: under the action of a lifting hydraulic cylinder (13), a supporting plate (101) is lifted, so that the distance between the bottom end of a laser lens (6) and the material on the supporting plate (101) is changed, ablation duration tests of different laser ablation heights are realized, and a group of data is obtained;
s7: meanwhile, the same metal material is replaced by different thicknesses to be tested, the ablation penetration duration of different thicknesses under laser is obtained, a group of data is obtained, and the ablation test data of the metal material can be obtained by combining multiple groups of data such as S4 and S6.
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