CN114505581A - Laser welding machine for mechanical manufacturing metal material - Google Patents
Laser welding machine for mechanical manufacturing metal material Download PDFInfo
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- CN114505581A CN114505581A CN202210151732.5A CN202210151732A CN114505581A CN 114505581 A CN114505581 A CN 114505581A CN 202210151732 A CN202210151732 A CN 202210151732A CN 114505581 A CN114505581 A CN 114505581A
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- 238000003466 welding Methods 0.000 title claims abstract description 210
- 239000007769 metal material Substances 0.000 title claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 176
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 238000005507 spraying Methods 0.000 claims abstract description 47
- 239000007921 spray Substances 0.000 claims abstract description 29
- 238000004140 cleaning Methods 0.000 claims abstract description 16
- 230000005484 gravity Effects 0.000 claims description 25
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 8
- 230000001680 brushing effect Effects 0.000 claims description 7
- 239000002699 waste material Substances 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 22
- 238000010586 diagram Methods 0.000 description 18
- 239000012535 impurity Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 238000004590 computer program Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000008187 granular material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- -1 and meanwhile Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
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- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
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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
-
- 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
- B23K26/703—Cooling arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The embodiment of the invention discloses a laser welding machine for mechanically manufacturing metal materials, and relates to the technical field of laser welding. The laser welding machine includes: the laser welding device comprises a laser welding host machine, a welding table and a dust removal device, wherein the welding host machine comprises a laser, and the welding table is used for bearing a metal material to be welded; the dust removing device comprises: the device comprises a shell, an infrared thermometer, a control module and a dust removal water spraying device; the shell is arranged on the welding table, and the metal material to be welded is arranged in the shell; the infrared thermometer is positioned on the inner wall of the shell, the temperature measuring window is opposite to the laser welding position, and the infrared thermometer is used for measuring the temperature of the laser welding position in real time and sending the temperature to the control module; the dust removal water spraying device is arranged on the inner wall of the shell, and a water spraying port of the dust removal water spraying device is opposite to the laser welding position; the control module is used for controlling the dust removal water spraying device to spray water for cooling the laser welding part and cleaning the laser welding part according to the temperature of the laser welding part when receiving the dust removal instruction. The invention effectively improves the welding quality.
Description
Technical Field
The invention belongs to the technical field of laser welding, and particularly relates to a laser welding machine for mechanically manufacturing metal materials.
Background
Laser welding machines, also commonly called laser welding machines and laser welding machines, are machines used in material processing laser welding. The welding method is a novel welding mode, mainly aims at the welding of thin-wall materials and precision parts, can realize spot welding, butt welding, stitch welding, seal welding and the like, has high depth-width ratio, small weld width, small heat affected zone, small deformation, high welding speed, flat and attractive weld seams, does not need treatment or only needs simple treatment after welding, has high weld seam quality, no air holes, can be accurately controlled, has small focused light spots, high positioning precision and is easy to realize automation.
In the process of welding materials by the laser welding machine, a large amount of heat energy is generated at the welding position of the welding materials, and meanwhile, impurities and dust are generated, so that the welding quality and efficiency are directly influenced. At present, the method for cooling, dedusting and removing impurities of the welded part is mainly completed by welding personnel according to experience by using some cooling and dedusting equipment, so that not only is manpower consumed, but also the effects of cooling, dedusting and removing impurities are poor. With the development of automation technology, some new cooling and dedusting devices are also provided, welding personnel control the power of the cooling and dedusting devices through parameter setting in advance, but once a welding material changes or a welding environment changes, the parameters need to be set again, so that not only is time consumed long, but also the parameters cannot deal with the environmental changes due to the fact that the parameters are fixed, and the welding quality is poor.
Disclosure of Invention
In view of this, the embodiment of the invention provides a laser welding machine for a mechanical manufacturing metal material, which is used for solving the problems that the existing cooling and dust removing equipment and scheme are not intelligent enough, not only labor and time are consumed, but also the effects of cooling, dust removal and impurity removal are poor, and the welding quality is not ideal. The invention can intelligently and automatically control the dust removal device to cool and remove dust at the welding position according to the temperature at the laser welding position, thereby effectively improving the welding quality.
The laser welding machine for the metal material manufactured by the machinery comprises a laser welding host machine and a welding table, wherein the laser welding host machine comprises a laser, and the welding table is used for bearing the metal material to be welded; also comprises a dust removing device;
the dust removing device comprises: the device comprises a shell, an infrared thermometer, a control module and a dust removal water spraying device;
the shell is arranged on the welding table, and the metal material to be welded is arranged in the shell;
the infrared thermometer is positioned on the inner wall of the shell, a temperature measuring window of the infrared thermometer is opposite to the laser welding position, and the infrared thermometer is used for measuring the temperature of the laser welding position in real time and sending the temperature to the control module;
the dust removal water spraying device is arranged on the inner wall of the shell, and a water spraying port of the dust removal water spraying device is opposite to the laser welding position;
and the control module is used for controlling the dust removal water spraying device to spray water to cool the laser welding part and clean the laser welding part according to the temperature of the laser welding part when receiving a dust removal instruction.
In an optional embodiment, the dust removing device further includes:
the dust removal air gun is arranged on the inner wall of the shell, and an air jet of the dust removal air gun is opposite to the laser welding position;
the control module is also used for starting the dust removal air gun after controlling the dust removal water spraying device to spray water each time, and controlling the dust removal air gun to dry and clean the laser welding position.
In an alternative embodiment, the welding station comprises a left support and a right support, and a hollow structure is formed between the left support and the right support; the metal material to be welded is arranged above the hollow structure;
the laser-beam welding machine still includes: a dust collecting device including a dust collecting bin;
the dust collection bin is arranged below the metal material to be welded in the hollow structure.
In an optional embodiment, the dust collecting apparatus further comprises:
and the gravity sensor is arranged on the outer side of the bottom of the dust collection bin and is used for measuring the weight of the laser welding wastes falling into the dust collection bin.
In an optional embodiment, the infrared thermometer, the dust removal water spray device and the dust removal air gun are all positioned at the top of the inner wall of the shell.
In an optional embodiment, the dust removing device further comprises:
the dust removing brush is arranged on the inner wall of the shell and can move relative to the surface of the metal material to be welded;
the gravity sensor is also connected with the control module and is used for sending the weight of the laser welding wastes collected by the dust collection bin to the control module in real time;
the control module is further connected with the dust removal brush, and the control module is further used for closing the dust removal air gun and opening the dust removal brush when the weight value sent by the gravity sensor does not change within a preset time length, and controlling the dust removal brush to move in a single direction to clean the laser welding position.
In an optional embodiment, the control module is specifically configured to calculate a water spray control speed according to a first formula, and control the dust removal water spray device to spray water according to the calculated water spray control speed; the control module is further specifically used for calculating an air injection control speed according to a second formula and controlling the dust removal air gun to inject air according to the calculated air injection control speed; the control module is further specifically used for calculating the cleaning control times according to a third formula and controlling the dust removing brush to clean the laser welding position according to the calculated cleaning control times;
wherein the first formula is:
in the first formula, Vw(t) represents a water spray control speed at the present time; vw,maxRepresenting the preset maximum water spraying speed of the dust removal water spraying device; q (t) represents the temperature value of the laser welding position measured by the infrared thermometer at the current moment; q0The cold water temperature value in the dust removal water spraying device is represented; q (t)0) The temperature value of the welding position measured by the infrared thermometer at the moment when the control module receives the dust removal instruction is represented; u represents a front and back union symbol;
the second formula is:
in the second formula, Vc(t) represents the jet control speed at the present time; vc,maxRepresenting the preset maximum air injection speed of the dust removal air gun; g (t) represents the weight value collected by the gravity sensor at the current moment; g (T-T) represents a value acquired by the gravity sensor at the T-T moment; t represents the sampling period of the gravity sensor for collecting data; m ishRepresenting the quality value of the welding material used by the laser welding machine at this time; g represents the gravitational acceleration;
the third formula is:
in the third formula, n represents the number of brushing control times; n is0Representing a preset minimum brushing frequency; g represents the weight value collected by the gravity sensor when the dust removal air gun is closed;
indicating a rounded up symbol.
In an alternative embodiment, the control module is specifically adapted to be used at VwAnd when the t is 0, starting the dust removal air gun.
The laser welding machine for the metal material manufactured by the machine can measure the temperature of a laser welding position in real time, and controls the dust removal water spraying device to spray water to cool the laser welding position and clean the laser welding position according to the temperature of the laser welding position when a dust removal instruction is received, so that the effects of cooling and removing dust are achieved. The invention can intelligently and automatically control the power of the dust removal and cooling module to cool and remove dust at the welding position according to the temperature at the welding position, thereby effectively improving the welding quality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a first embodiment of a laser welding machine for mechanically manufacturing a metal material according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of a laser welding machine for mechanically manufacturing a metal material according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a third embodiment of a laser welding machine for mechanically manufacturing a metal material according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a fourth embodiment of a laser welding machine for mechanically manufacturing a metal material according to the present invention;
fig. 5 is a schematic structural diagram of an embodiment five of a laser welding machine for mechanically manufacturing a metal material according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a first embodiment of a laser welding machine for mechanically manufacturing a metal material according to an embodiment of the present invention. Referring to fig. 1, the laser welding machine includes: a laser welding host (not shown in the figure), a welding table 1 and a dust removing device. The laser welding host comprises a laser (not shown in the figure); the welding table 1 is used for bearing a metal material 2 to be welded; the dust removing device comprises: a shell 3, an infrared thermometer 4, a control module (not shown in the figure) and a dust-removing and water-spraying device 5.
In this embodiment, the laser welding host mainly generates a laser beam for welding, and is composed of a laser, a light path portion, a power supply, and other main portions. Laser welding is generally classified into three motion control modes, including: the first metal material 2 to be welded moves, and the laser is fixed; the second metal material 2 to be welded is fixed, and the laser moves; the third metal material to be welded and the laser are both moved. Welding bench 1 can design according to concrete motion control demand, and to first kind and third kind motion control mode, welding bench 1 is movable welding bench, for example the shaft linkage welding bench, planer-type welding bench, manipulator motion system, two-dimentional, three-dimensional welding bench, cantilever type welding bench etc. all can realize accurate welding motion control.
As shown in fig. 1, a case 3 is provided on a welding stage 1, and a metal material 2 to be welded is provided in the case 3.
And the infrared thermometer 4 is positioned on the inner wall of the laser welding device 3, a temperature measuring window of the infrared thermometer 4 is over against the laser welding position, and the thermometer 4 is used for measuring the temperature of the laser welding position in real time and sending the temperature to the control module (not shown in the figure). Preferably, the infrared thermometer 4 is located on top of the inner wall of the housing. In this embodiment, the infrared thermometer has advantages such as response time is fast, non-contact, safe in utilization and long service life for can obtain the temperature of laser welding department fast, accurately, the follow-up according to this temperature of being convenient for, control dust removal water jet equipment and cool down the dust removal to laser welding department.
And the dust removal water spraying device 5 is arranged on the inner wall of the shell 3, and a water spraying port of the dust removal water spraying device is right opposite to the laser welding position. Preferably, the dust removing and water spraying device 5 is positioned on the top of the inner wall of the shell. In this embodiment, the dust removal water jet equipment 5 is specifically used for spraying water to cool the laser welding position, and simultaneously can play a part of cleaning role, so that the welding position of the metal material is in a dust-free state, and the welding quality of the metal material is effectively improved.
And the control module is used for controlling the dust removal water spraying device 5 to spray water to cool the laser welding part and clean the laser welding part according to the temperature of the laser welding part when receiving a dust removal instruction.
The laser welding machine for the metal material manufactured by the machine, provided by the embodiment of the invention, can measure the temperature of a laser welding position in real time, and control the dust removal water spraying device to spray water to cool the laser welding position and clean the laser welding position according to the temperature of the laser welding position when a dust removal instruction is received, so that the effects of cooling and removing dust are achieved. The invention can intelligently and automatically control the power of the dust removal and cooling module to carry out temperature reduction and dust removal on the welding position according to the temperature of the welding position, thereby effectively improving the welding quality.
Fig. 2 is a schematic structural diagram of a second embodiment of a laser welding machine for mechanically manufacturing a metal material according to an embodiment of the present invention. As shown in fig. 2, the device of the present embodiment further includes, on the basis of the structure of the device shown in fig. 1, a dust removing device, further including: and the dust removal air gun 6 is arranged on the inner wall of the shell 3, and an air jet of the dust removal air gun is opposite to the laser welding position. Preferably, the dust extraction air lance 6 is located at the top of the inner wall of the housing 3. In this embodiment, the control module is further configured to start the dust removal air gun 6 after controlling the dust removal water spraying device 5 to spray water each time, and control the dust removal air gun 6 to dry and clean the laser welding part.
The laser welding machine for the machine-building metal material that this embodiment provided can spray water the cooling and wash laser welding department according to the temperature of laser welding department, control dust removal water jet equipment, reaches the effect that the cooling was removed dust. Furthermore, after cooling and cleaning are finished, the dust removal air gun is started to spray the welding position, so that water drops attached to the welding position by the water spray of the water spray device can be dried, impurities and dust at the welding position can be further sprayed, and the welding quality is effectively improved.
Fig. 3 is a schematic structural diagram of a third embodiment of a laser welding machine for mechanically manufacturing a metal material according to an embodiment of the present invention. As shown in fig. 3, the device of the present embodiment is based on the structure of the device shown in fig. 2, and further, the welding table 1 comprises a left support 11 and a right support 12, and a hollow structure 7 is formed between the left support 11 and the right support 12; the metal material 2 to be welded is disposed above the hollow structure 7. In this embodiment, the laser welding machine further includes: a dust collecting device comprising a dust collecting bin 8. The dust collection bin 8 is arranged below the metal material 2 to be welded in the hollow structure 7.
In the embodiment, the dust collecting bin 8 is arranged for collecting impurities and dust at the welding position and water for cooling, so that the environment quality of welding operation is effectively improved. In addition, the subsequent adjustment of the working time of temperature reduction and dust removal can be facilitated through the quality change of the dust collection bin 8, so that the welding quality can be improved, and the resources can be effectively saved.
According to the laser welding machine for the metal material for mechanical manufacturing, provided by the embodiment of the invention, when a dust removal instruction is received, the dust removal water spraying device can be intelligently and automatically controlled to spray water to cool the laser welding position and clean the laser welding position according to the temperature of the laser welding position, and the dust removal air gun is started to spray the welding position for drying and removing dust after the cooling and cleaning are finished. In the whole dust removal and cooling work, the dust collection bin is arranged to collect impurities and dust at the welding position, so that the welding quality is effectively improved, and the welding work environment quality is also improved.
Fig. 4 is a schematic structural diagram of a fourth embodiment of a laser welding machine for mechanically manufacturing a metal material according to an embodiment of the present invention. As shown in fig. 4, the device of the present embodiment is based on the structure of the device shown in fig. 3, and further, the dust collecting device further includes:
and the gravity sensor 9 is arranged on the outer side of the bottom of the dust collection bin 8 and used for measuring the weight of the laser welding wastes falling into the dust collection bin.
According to the laser welding machine for the metal material for mechanical manufacturing, provided by the embodiment of the invention, the gravity sensor is arranged to measure the weight of the laser welding waste falling into the dust collection bin, so that the cooling and dust removal effects of the welding part can be conveniently evaluated.
Fig. 5 is a schematic structural diagram of an embodiment five of a laser welding machine for mechanically manufacturing a metal material according to an embodiment of the present invention. As shown in fig. 5, the device of the present embodiment is based on the structure of the device shown in fig. 4, and further, the dust removing device further includes: and the dust removing brush 10 is arranged on the inner wall of the shell 3 and can move relative to the surface of the metal material 2 to be welded. In this embodiment, dust removal brush 10 is used for cleaning laser welding department, and when there was the laser welding discarded object of big granule in the welding department, dust removal water jet equipment 5 and dust removal air gun 6 were used for limitedly, through dust removal brush 10, can clear up the laser welding discarded object that large granule or viscidity are higher effectively to the welded quality has been improved effectively. The gravity sensor 9 is also connected with the control module, and is used for sending the weight of the laser welding waste collected by the dust collection bin 8 to the control module in real time. The control module is further connected with the dust removing brush 10 and is further used for closing the dust removing air gun 6 and opening the dust removing brush 10 when the weight value sent by the gravity sensor 9 does not change within a preset time length, and controlling the dust removing brush 10 to move in a single direction to clean the laser welding position.
As an optional embodiment, the control module is specifically configured to calculate a water spraying control speed according to a preset first formula, and control the dust removal water spraying device 5 to spray water according to the calculated water spraying control speed; the control module is further specifically used for calculating an air injection control speed according to a preset second formula and controlling the dust removal air gun 6 to inject air according to the calculated air injection control speed; the control module is further specifically configured to calculate the brushing control times according to a preset third formula, and control the dust removing brush 10 to clean the laser welding position according to the calculated brushing control times.
Preferably, the first formula is:
in the first formula, Vw(t) represents a water spray control speed at the present time; vw,maxRepresenting the preset maximum water spraying speed of the dust removal water spraying device; q (t) represents the laser welding position measured by the infrared thermometer at the current momentThe temperature value of (a); q0The cold water temperature value in the dust removal water spraying device is represented; q (t)0) The temperature value of the welding position measured by the infrared thermometer at the moment when the control module receives the dust removal instruction is represented; and U represents a front and back union symbol.
In this example, at VwAnd when the t is equal to 0, the dust removal water spraying device 5 is indicated to finish cooling and cleaning the welding part, and the dust removal air gun is started. By utilizing the first formula, the water spraying speed of the dust removal water spraying device 5 is controlled according to the measured temperature value, and the welding position is sprayed with water for cooling, so that the effect of cooling the welding position and partial cleaning can be achieved.
Preferably, the second formula is:
in the second formula, Vc(t) represents the jet control speed at the present time; vc,maxRepresenting the preset maximum air injection speed of the dust removal air gun; g (t) represents the weight value collected by the gravity sensor at the current moment; g (T-T) represents a value acquired by the gravity sensor at the T-T moment; t represents the sampling period of the gravity sensor for collecting data; m ishRepresenting the quality value of the welding material used by the laser welding machine at this time; g represents the gravitational acceleration.
In this embodiment, V is calculated according to the first formulawWhen (t) is 0, the control module starts the dust removal air gun, and controls the air injection speed of the dust removal air gun 6 according to the numerical value collected by the gravity sensor 9 below the dust collection bin 8 by using a second formula, so that water drops attached to the welding part by the water injection of the dust removal water injection device 5 can be dried, and impurities and dust at the welding part can be further injected into the dust collection bin below.
Preferably, the third formula is:
in the third formula, n represents the number of brushing control times; n is0Representing a preset minimum brushing frequency; g represents the weight value collected by the gravity sensor when the dust removal air gun is closed;
indicating a rounded up symbol.
In the embodiment, a third formula is adopted, and the cleaning frequency of the dust removing brush is controlled according to the total weight of the dust collecting bin at present, so that the cleaning is thorough, and impurities and dust at the welding position are cleaned to the maximum extent.
The laser welding machine for the metal material for machine manufacturing provided by the embodiment of the invention has the advantages that after a dust removal instruction is received, the infrared thermometer in the dust removal structure is started to measure the temperature of the welding position, the dust removal water spraying device is controlled to spray water to the welding position according to the measured temperature value to reduce the temperature, meanwhile, the laser welding machine can play a part of cleaning function, the dust removal air gun is started after the temperature reduction and cleaning are finished, the air injection speed of the dust removal air gun is controlled according to the numerical value collected by the gravity sensor below the dust collection bin, the dust removal air gun is used for spraying the welding position, so that water drops attached to the welding position by the water sprayed by the water spraying device can be dried, impurities and dust at the welding position can be further sprayed into the dust collection bin below, the dust removal air gun is closed when the numerical value collected by the gravity sensor is not changed any more, the dust removal brush is started and the welding position is cleaned in a single direction, the cleaning frequency is automatically calculated and controlled according to the total weight in the current dust collecting bin, so that the quality of laser welding is effectively improved.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations. The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A laser welding machine for manufacturing metal materials mechanically comprises a laser welding host machine and a welding table, wherein the laser welding host machine comprises a laser, and the welding table is used for bearing the metal materials to be welded;
the dust removing device comprises: the device comprises a shell, an infrared thermometer, a control module and a dust removal water spraying device;
the shell is arranged on the welding table, and the metal material to be welded is arranged in the shell;
the infrared thermometer is positioned on the inner wall of the shell, a temperature measuring window of the infrared thermometer is opposite to the laser welding position, and the infrared thermometer is used for measuring the temperature of the laser welding position in real time and sending the temperature to the control module;
the dust removal water spraying device is arranged on the inner wall of the shell, and a water spraying port of the dust removal water spraying device is opposite to the laser welding position;
and the control module is used for controlling the dust removal water spraying device to spray water to cool the laser welding part and clean the laser welding part according to the temperature of the laser welding part when receiving a dust removal instruction.
2. The laser welding machine for machine-made metallic materials according to claim 1, wherein said dust removing device further comprises:
the dust removal air gun is arranged on the inner wall of the shell, and an air jet of the dust removal air gun is opposite to the laser welding position;
the control module is also used for starting the dust removal air gun after controlling the dust removal water spraying device to spray water each time, and controlling the dust removal air gun to dry and clean the laser welding position.
3. The laser welding machine for machine-made metallic materials according to claim 2, wherein said welding station comprises a left support and a right support between which a hollow structure is formed; the metal material to be welded is arranged above the hollow structure;
the laser-beam welding machine still includes: a dust collecting device including a dust collecting bin;
the dust collection bin is arranged below the metal material to be welded in the hollow structure.
4. The laser welding machine for machine-made metallic materials according to claim 3, wherein said dust collecting means further comprises:
and the gravity sensor is arranged on the outer side of the bottom of the dust collection bin and is used for measuring the weight of the laser welding wastes falling into the dust collection bin.
5. The laser welding machine for machine-made metal materials according to claim 3, wherein the infrared thermometer, the dust-removing water-spraying device and the dust-removing air gun are all positioned on the top of the inner wall of the housing.
6. The laser welding machine for machine-made metallic materials according to claim 4, wherein said dust removing means further comprises:
the dust removing brush is arranged on the inner wall of the shell and can move relative to the surface of the metal material to be welded;
the gravity sensor is also connected with the control module and is used for sending the weight of the laser welding wastes collected by the dust collection bin to the control module in real time;
the control module is further connected with the dust removal brush, and the control module is further used for closing the dust removal air gun and opening the dust removal brush when the weight value sent by the gravity sensor does not change within a preset time length, and controlling the dust removal brush to move in a single direction to clean the laser welding position.
7. The laser welding machine for machine-made metal materials according to claim 6, wherein the control module is specifically configured to calculate a water spray control speed according to a first formula, and control the dust removal water spray device to spray water at the calculated water spray control speed; the control module is further specifically used for calculating an air injection control speed according to a second formula and controlling the dust removal air gun to inject air according to the calculated air injection control speed; the control module is further specifically used for calculating the cleaning control times according to a third formula and controlling the dust removing brush to clean the laser welding position according to the calculated cleaning control times;
wherein the first formula is:
in the first formula, Vw(t) represents a water spray control speed at the present time; vw,maxRepresenting the preset maximum water spraying speed of the dust removal water spraying device; q (t) represents the temperature value of the laser welding position measured by the infrared thermometer at the current moment; q0The cold water temperature value in the dust removal water spraying device is represented; q (t)0) The temperature value of the welding position measured by the infrared thermometer at the moment when the control module receives the dust removal instruction is represented; u represents a front and back union symbol;
the second formula is:
in the second formula, Vc(t) represents the jet control speed at the present time; vc,maxRepresenting the preset maximum air injection speed of the dust removal air gun; g (t) represents the weight value collected by the gravity sensor at the current moment; g (T-T) represents a value acquired by the gravity sensor at the T-T moment; t represents the sampling period of the gravity sensor for collecting data; m ishThe quality value of the welding material used by the laser welding machine at this time is represented; g represents the gravitational acceleration;
the third formula is:
in the third formula, n represents the number of brushing control times; n is0Indicating preset minimum clearBrushing times; g represents the weight value collected by the gravity sensor when the dust removal air gun is closed;
indicating a rounded up symbol.
8. Laser welding machine for the mechanical production of metal materials according to claim 7, characterised in that said control module is particularly adapted to operate at VwAnd when the t is 0, starting the dust removal air gun.
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| EP1092496A2 (en) * | 1999-10-12 | 2001-04-18 | Visteon Global Technologies, Inc. | Method for repairing steel spray-formed tooling with TIG welding process |
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| CN110421290A (en) * | 2019-09-01 | 2019-11-08 | 洛阳软连精密制造有限公司 | A kind of welding machine with cooling dedusting function |
| CN111843179A (en) * | 2020-07-30 | 2020-10-30 | 北京赛福斯特技术有限公司 | Multi-machine-head moving gantry friction stir welding device |
| CN213497114U (en) * | 2020-10-26 | 2021-06-22 | 重庆市大鑫雕塑有限责任公司 | Adjustable cooling device for plasma cutting machine |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1092496A2 (en) * | 1999-10-12 | 2001-04-18 | Visteon Global Technologies, Inc. | Method for repairing steel spray-formed tooling with TIG welding process |
| CN207087146U (en) * | 2017-07-27 | 2018-03-13 | 福建勤工机电科技有限公司 | A kind of laser cutting machine of good dedusting effect |
| CN110421290A (en) * | 2019-09-01 | 2019-11-08 | 洛阳软连精密制造有限公司 | A kind of welding machine with cooling dedusting function |
| CN111843179A (en) * | 2020-07-30 | 2020-10-30 | 北京赛福斯特技术有限公司 | Multi-machine-head moving gantry friction stir welding device |
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