CN114505581B - Laser welding machine for mechanical manufacturing metal material - Google Patents
Laser welding machine for mechanical manufacturing metal material Download PDFInfo
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- CN114505581B CN114505581B CN202210151732.5A CN202210151732A CN114505581B CN 114505581 B CN114505581 B CN 114505581B CN 202210151732 A CN202210151732 A CN 202210151732A CN 114505581 B CN114505581 B CN 114505581B
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- dust removal
- water spraying
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- 238000003466 welding Methods 0.000 title claims abstract description 200
- 239000007769 metal material Substances 0.000 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 239000000428 dust Substances 0.000 claims abstract description 158
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 87
- 238000005507 spraying Methods 0.000 claims abstract description 56
- 238000004140 cleaning Methods 0.000 claims abstract description 22
- 239000007921 spray Substances 0.000 claims abstract description 22
- 230000005484 gravity Effects 0.000 claims description 25
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 239000002699 waste material Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 230000001133 acceleration Effects 0.000 claims description 3
- 230000001680 brushing effect Effects 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 229910000897 Babbitt (metal) Inorganic materials 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 23
- 238000010586 diagram Methods 0.000 description 15
- 239000012535 impurity Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 238000004590 computer program Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 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
- 230000004044 response Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The embodiment of the invention discloses a laser welding machine for manufacturing metal materials mechanically, and relates to the technical field of laser welding. The laser welding machine includes: the laser welding device comprises a laser welding host, a welding table and a dust removing device, wherein the laser welding host comprises a laser, and the welding table is used for bearing metal materials to be welded; the dust removing device includes: 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 the water spraying port is opposite to the laser welding position; the control module is used for controlling the dust removal water spraying device to spray water to cool 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 manufacturing metal materials mechanically.
Background
A laser welder, also commonly referred to as a laser welder, is a machine used in laser welding of materials. The welding method is a novel welding mode, mainly aims at welding thin-wall materials and precision parts, and can realize spot welding, butt welding, stitch welding, seal welding and the like.
The laser welding machine can produce a large amount of heat energy at the welding position of welding materials in the welding material process, and simultaneously can also produce impurities and dust, and the welding quality and efficiency are directly influenced. At present, the cooling and dedusting and impurity removing method of the welding part is mainly finished by welding personnel according to experience by using some cooling and dust removing equipment, so that labor is consumed, and meanwhile, the cooling and impurity removing effects are poor. With the development of automation technology, new cooling and dedusting equipment also appears, and welding personnel control the power of the cooling and dedusting equipment through parameter setting in advance, but once welding materials change or welding environment changes, parameters are required to be reset, so that time is long, and meanwhile, the parameters are relatively fixed, so that the environment change cannot be dealt with, and the welding quality is relatively poor.
Disclosure of Invention
In view of the above, the embodiment of the invention provides a laser welding machine for manufacturing metal materials by machinery, which is used for solving the problems that the existing cooling and dust removing equipment and scheme are not intelligent enough, not only consume manpower and time, but also have poor cooling, dust removing and impurity removing effects, and the welding quality is not ideal. According to the invention, the temperature of the welding part can be intelligently and automatically controlled by the dust removing device to cool and remove dust, so that the welding quality is effectively improved.
The embodiment of the invention provides a laser welding machine for manufacturing metal materials by machinery, which comprises a laser welding host and a welding table, wherein the laser welding host comprises a laser, and the welding table is used for bearing the metal materials to be welded; the dust removing device is also included;
the dust removing apparatus includes: 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 the 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 cleaning the laser welding part according to the temperature of the laser welding part when receiving a dust removal instruction.
In an alternative embodiment, the dust removing device further includes:
the dust removal air gun is arranged on the inner wall of the shell, and the air nozzle of the dust removal air gun is opposite to the laser welding part;
the control module is also used for starting the dust removal air gun after the dust removal water spraying device is controlled to spray water each time, and controlling the dust removal air gun to dry and clean the laser welding part.
In an alternative embodiment, the welding table includes 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 welding machine further comprises: the dust collecting device comprises a dust collecting bin;
the dust collection bin is arranged below the metal material to be welded in the hollow structure.
In an alternative embodiment, the dust collecting device further comprises:
the gravity sensor is arranged at the outer side of the bottom of the dust collection bin and is used for measuring the weight of laser welding waste falling into the dust collection bin.
In an alternative embodiment, the infrared thermometer, the dust-removing water spraying device and the dust-removing air gun are all positioned at the top of the inner wall of the shell.
In an alternative embodiment, the dust removing device further includes:
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 the weight of the laser welding waste collected by the dust collection bin is sent to the control module in real time;
the control module is also connected with the dust removing brush, and is further used for closing the dust removing air gun and opening the dust removing brush when the weight value sent by the gravity sensor is not changed any more within a preset time length, and controlling the dust removing brush to move unidirectionally to clean the laser welding part.
In an alternative embodiment, the control module is specifically configured to calculate a water spraying control speed according to a first formula, and control the dust-removing water spraying device to spray water according to the calculated water spraying control speed; the control module is also specifically used for calculating the air injection control speed according to a second formula and controlling the dust removal air gun to perform air injection according to the calculated air injection control speed; the control module is also specifically used for calculating the cleaning control times according to a third formula and controlling the dust removing brush to clean the laser welding part according to the calculated cleaning control times;
wherein, the first formula is:
in the first formula, V w (t) represents the water spray control speed at the present time; v (V) w,max Indicating a preset maximum water spraying speed which can be achieved by the dust removal water spraying device; q (t) represents the temperature value of the laser welding part measured by the infrared thermometer at the current moment; q (Q) 0 Representing the cold water temperature value in the dust removal water spraying device; q (t) 0 ) Representing the temperature value of the welding part measured by the infrared thermometer when the control module receives the dedusting instruction; u represents the front and back union symbol;
the second formula is:
in the second formula, V c (t) represents the current jet control speed; v (V) c,max Representing a preset maximum jet speed of the dust removal air gun; g (t) represents the weight value acquired by the gravity sensor at the current moment; g (T-T) represents the value acquired by the gravity sensor at the moment T-T; t represents a sampling period of the data collected by the gravity sensor;m h representing the quality value of the welding material used by the laser welding machine at the time; g represents gravitational acceleration;
the third formula is:
in the third formula, n represents the number of times of cleaning control; n is n 0 Representing a preset minimum brushing frequency; g represents the weight value acquired by the gravity sensor when the dust removal air gun is closed;representing rounding up symbols.
In an alternative embodiment, the control module is specifically configured to control the control signal in V w When (t) =0, the dust removing air gun is started.
The laser welding machine for the mechanical manufacturing metal materials can measure the temperature of a laser welding position in real time, and when a dust removal instruction is received, the dust removal water spraying device is 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, so that the effects of cooling and dust removal are achieved. According to the invention, the power of the dedusting and cooling module can be intelligently and automatically controlled to cool and dedust the welding part according to the temperature of the laser welding part, so that the welding quality is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a first embodiment of a laser welding machine for manufacturing metal materials by machine according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a second embodiment of a laser welding machine for manufacturing metal materials by machine according to the present invention;
FIG. 3 is a schematic diagram of a third embodiment of a laser welding machine for manufacturing metal materials by machine according to the present invention;
FIG. 4 is a schematic diagram of a fourth embodiment of a laser welding machine for manufacturing metal materials by machine according to the present invention;
fig. 5 is a schematic structural diagram of a fifth embodiment of a laser welding machine for manufacturing metal materials mechanically 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 merely some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 1 is a schematic structural diagram of a first embodiment of a laser welding machine for manufacturing metal materials mechanically according to an embodiment of the present invention. Referring to fig. 1, the laser welder 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 figures); the welding table 1 is used for bearing a metal material 2 to be welded; the dust removing apparatus includes: the device comprises a shell 3, an infrared thermometer 4, a control module (not shown in the figure) and a dust removal 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 source, and the like. Laser welding is generally divided 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. The welding table 1 can be designed according to specific motion control requirements, and aiming at the first and third motion control modes, the welding table 1 is a movable welding table, such as an axle linkage welding table, a gantry welding table, a manipulator motion system, a two-dimensional, three-dimensional welding table, a cantilever welding table and the like, and precise welding motion control can be realized.
As shown in fig. 1, a housing 3 is provided on a welding table 1, and a metal material 2 to be welded is provided inside the housing 3.
The infrared thermometer 4 is located on the inner wall of the 3, and a temperature measuring window of the infrared thermometer 4 is opposite to the laser welding position, and the infrared 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 at the 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, be convenient for follow-up according to this temperature, control dust removal water jet equipment is cooled down to laser welding department and is removed dust.
The dust removal water spraying device 5 is arranged on the inner wall of the shell 3, and the water spraying port of the dust removal water spraying device is opposite to the laser welding position. Preferably, the dust removal water spraying device 5 is positioned at the top of the inner wall of the shell. In this embodiment, the dust removal water spray device 5 is specifically used for spraying water to cool down the laser welding part, and can also play a part of cleaning role, so that the welding part 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 the dust removal instruction.
The laser welding machine for the mechanical manufacturing metal materials provided by the embodiment of the invention can measure the temperature of a laser welding position in real time, and when a dust removal instruction is received, the dust removal water spraying device is 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, so that the effects of cooling and dust removal are achieved. According to the invention, the power of the dedusting and cooling module can be intelligently and automatically controlled to cool and dedust the welding part according to the temperature of the laser welding part, so that the welding quality is effectively improved.
Fig. 2 is a schematic structural diagram of a second embodiment of a laser welding machine for manufacturing metal materials by machine according to an embodiment of the present invention. As shown in fig. 2, the device of this embodiment is based on the device structure shown in fig. 1, and further, the dust removing device further includes: the dust removal air gun 6 is arranged on the inner wall of the shell 3, and the air nozzle of the dust removal air gun is opposite to the laser welding position. Preferably, the dust removing air gun 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-removing air gun 6 after the dust-removing water spraying device 5 is controlled to spray water each time, and control the dust-removing air gun 6 to dry and clean the laser welding part.
The embodiment provides a laser welding machine for machine-building metal material, when receiving the dust removal instruction, can control dust removal water jet equipment and carry out water spray cooling and wash laser welding department to laser welding department according to the temperature of laser welding department, reaches the effect of cooling dust removal. Further, 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 due to water spraying of the water spraying 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 manufacturing metal materials by machine 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, further, the welding table 1 includes a left support member 11 and a right support member 12, and a hollow structure 7 is formed between the left support member 11 and the right support member 12; the metallic material 2 to be welded is arranged 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 collection bin 8 is used for collecting impurities and dust at the welding position and water for cooling, so that the environmental quality of welding operation is effectively improved. In addition, through the quality change of the dust collection bin 8, the subsequent adjustment of the cooling and dust removal working time can be facilitated, so that the welding quality can be improved, and meanwhile, the resource can be effectively saved.
According to the laser welding machine for the mechanical manufacturing metal materials, when the dedusting instruction is received, the dedusting 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 dedusting air gun is started to spray the welding position for drying and dedusting after the cooling and cleaning are finished. In the whole dust removal cooling work, set up the dust bin and collected impurity and the dust of welding department, not only improved welding quality effectively, also improved welding working environment quality.
Fig. 4 is a schematic structural diagram of a fourth embodiment of a laser welding machine for manufacturing metal materials by machine according to an embodiment of the present invention. As shown in fig. 4, the device of this embodiment is based on the structure of the device shown in fig. 3, and further, the dust collecting device further includes:
the gravity sensor 9 is arranged at the outer side of the bottom of the dust collection bin 8 and is used for measuring the weight of the laser welding waste falling into the dust collection bin.
According to the laser welding machine for the mechanical manufacturing metal materials, provided by the embodiment of the invention, the weight of laser welding waste falling into the dust collection bin is measured by arranging the gravity sensor, so that the cooling and dust removal effects of the welding part can be evaluated conveniently.
Fig. 5 is a schematic structural diagram of a fifth embodiment of a laser welding machine for manufacturing metal materials mechanically according to an embodiment of the present invention. As shown in fig. 5, the device of this embodiment further includes, based on the device structure shown in fig. 4: 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, the dust removal brush 10 is used for cleaning the laser welding department, and when there is the laser welding waste of macroparticle in the welding department, dust removal water jet equipment 5 and dust removal air gun 6 are limited in effect, through dust removal brush 10, can clear up macroparticle or the higher laser welding waste of viscidity effectively to the welded quality has been improved effectively. The gravity sensor 9 is also connected with the control module, and sends 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 also 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 is not changed any more within a preset time length, and controlling the dust removing brush 10 to move unidirectionally to clean the laser welding part.
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-removing water spraying device 5 to spray water according to the calculated water spraying control speed; the control module is also specifically configured to calculate a jet control speed according to a preset second formula, and control the dust removal air gun 6 to jet according to the calculated jet control speed; the control module is further specifically configured to calculate a cleaning control number according to a preset third formula, and control the dust brush 10 to clean the laser welding position according to the calculated cleaning control number.
Preferably, the first formula is:
in the first formula, V w (t) represents the water spray control speed at the present time; v (V) w,max Indicating a preset maximum water spraying speed which can be achieved by the dust removal water spraying device; q (t) represents the temperature value of the laser welding part measured by the infrared thermometer at the current moment; q (Q) 0 Representing the cold water temperature value in the dust removal water spraying device; q (t) 0 ) Representing the temperature value of the welding part measured by the infrared thermometer when the control module receives the dedusting instruction; and U represents the symbol of the union of the front and back.
In the present embodiment, at V w When (t) =0, the dust-removing water spray device 5 is started after the welding part is cooled and cleaned. The first formula is utilized to control the water spraying speed of the dust removal water spraying device 5 according to the measured temperature value, and the water spraying and cooling are carried out on the welding part, so that the cooling of the welding part can be realized and the cooling of the welding part can be realized at the same timeTo the effect of partial cleaning.
Preferably, the second formula is:
in the second formula, V c (t) represents the current jet control speed; v (V) c,max Representing a preset maximum jet speed of the dust removal air gun; g (t) represents the weight value acquired by the gravity sensor at the current moment; g (T-T) represents the value acquired by the gravity sensor at the moment T-T; t represents a sampling period of the data collected by the gravity sensor; m is m h Representing the quality value of the welding material used by the laser welding machine at the time; g represents the gravitational acceleration.
In this embodiment, V is calculated according to a first formula w When (t) =0, the control module starts the dust removal air gun, and uses the second formula to control the air injection speed of the dust removal air gun 6 according to the numerical value acquired by the gravity sensor 9 below the dust collection bin 8, so that the water drops attached to the welding position due to the water injection of the dust removal water injection device 5 can be dried, and impurities and dust at the welding position can be further sprayed into the dust collection bin below.
Preferably, the third formula is:
in the third formula, n represents the number of times of cleaning control; n is n 0 Representing a preset minimum brushing frequency; g represents the weight value acquired by the gravity sensor when the dust removal air gun is closed;representing rounding up symbols.
In this embodiment, the third formula is adopted, and the cleaning times of the dust removing brush are controlled according to the total weight in the current dust collecting bin, so that the cleaning is thoroughly ensured, and the impurities and dust at the welding position are cleaned to the greatest extent.
According to the laser welding machine for the mechanical manufacturing metal materials, after a dust removing instruction is received, the infrared thermometer in the dust removing structure is started to measure the temperature of a welding position, the dust removing water spraying device is controlled to spray water to cool the welding position according to the measured temperature value, meanwhile, the laser welding machine can also play a part in partial cleaning, after the cooling and cleaning are finished, the dust removing air gun is started, the air spraying speed of the dust removing air gun is controlled according to the numerical value collected by the gravity sensor below the dust collecting bin, the welding position is sprayed by the dust removing air gun, so that the water drops attached to the welding position due to the water spraying of the water spraying device can be dried, impurities and dust at the welding position can be further sprayed into the dust collecting bin below, the dust removing air gun is turned off when the numerical value collected by the gravity sensor is not changed any more, the dust removing brush is started, the cleaning times of the dust removing air gun are automatically calculated and controlled according to the total weight in the current dust collecting bin, and 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 flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations 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 modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof. The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (3)
1. The laser welding machine for the mechanical manufacturing of the metal materials 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 apparatus includes: 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 the 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 to cool the laser welding part and cleaning the laser welding part according to the temperature of the laser welding part when receiving a dust removal instruction;
wherein, dust collector still includes:
the dust removal air gun is arranged on the inner wall of the shell, and the air nozzle of the dust removal air gun is opposite to the laser welding part;
the control module is also used for starting the dust removal air gun after the dust removal water spraying device is controlled to spray water each time, and controlling the dust removal air gun to dry and clean the laser welding part;
the welding table comprises a left supporting piece and a right supporting piece, and a hollow structure is formed between the left supporting piece and the right supporting piece; the metal material to be welded is arranged above the hollow structure;
the laser welding machine further comprises: the dust collecting device comprises a dust collecting bin;
the dust collection bin is arranged below the metal material to be welded in the hollow structure;
wherein, the dust collecting device further includes:
the gravity sensor is arranged at the outer side of the bottom of the dust collection bin and is used for measuring the weight of laser welding waste falling into the dust collection bin;
wherein, dust collector still includes:
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 the weight of the laser welding waste collected by the dust collection bin is sent to the control module in real time;
the control module is also connected with the dust removing brush, and is also used for closing the dust removing air gun and opening the dust removing brush when the weight value sent by the gravity sensor is not changed any more within a preset time length, and controlling the dust removing brush to move unidirectionally to clean the laser welding part;
the control module is specifically used for calculating a water spraying control speed according to a first formula and controlling the dust removal water spraying device to spray water according to the calculated water spraying control speed; the control module is also specifically used for calculating the air injection control speed according to a second formula and controlling the dust removal air gun to perform air injection according to the calculated air injection control speed; the control module is also specifically used for calculating the cleaning control times according to a third formula and controlling the dust removing brush to clean the laser welding part according to the calculated cleaning control times;
wherein, the first formula is:
in the first formula, V w (t) represents the water spray control speed at the present time; v (V) w,max Indicating a preset maximum water spraying speed which can be achieved by the dust removal water spraying device; q (t) represents the temperature value of the laser welding part measured by the infrared thermometer at the current moment; q (Q) 0 Representing the cold water temperature value in the dust removal water spraying device; q (t) 0 ) Representing the temperature value of the welding part measured by the infrared thermometer when the control module receives the dedusting instruction; u represents the front and back union symbol;
the second formula is:
in the second formula, V c (t) represents the current jet control speed; v (V) c,max Representing a preset maximum jet speed of the dust removal air gun; g (t) represents the weight value acquired by the gravity sensor at the current moment; g (T-T) represents the value acquired by the gravity sensor at the moment T-T; t represents a instituteThe gravity sensor acquires the sampling period of data; m is m h Representing the quality value of the welding material used by the laser welding machine at the time; g represents gravitational acceleration;
the third formula is:
in the third formula, n represents the number of times of cleaning control; n is n 0 Representing a preset minimum brushing frequency; g represents the weight value acquired by the gravity sensor when the dust removal air gun is closed;representing rounding up symbols.
2. The laser welding machine for manufacturing metal materials according to claim 1, 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 shell.
3. The laser welding machine for the mechanical manufacture of metallic materials according to claim 1, characterized in that said control module is in particular intended for the control of the welding machine in V w When (t) =0, the dust removing air gun is started.
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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 |
| 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 |
| 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 |
| 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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