CN117123912B - Automatic production process and system of metal honeycomb - Google Patents
Automatic production process and system of metal honeycomb Download PDFInfo
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- CN117123912B CN117123912B CN202311394537.6A CN202311394537A CN117123912B CN 117123912 B CN117123912 B CN 117123912B CN 202311394537 A CN202311394537 A CN 202311394537A CN 117123912 B CN117123912 B CN 117123912B
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 102
- 239000002184 metal Substances 0.000 title claims abstract description 102
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 56
- 238000003466 welding Methods 0.000 claims abstract description 97
- 238000005520 cutting process Methods 0.000 claims abstract description 30
- 239000007769 metal material Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 19
- 230000008569 process Effects 0.000 claims abstract description 14
- 238000005096 rolling process Methods 0.000 claims abstract description 11
- 238000001514 detection method Methods 0.000 claims description 24
- 230000007246 mechanism Effects 0.000 claims description 24
- 230000000007 visual effect Effects 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 15
- 238000005516 engineering process Methods 0.000 claims description 6
- 241000264877 Hippospongia communis Species 0.000 claims 20
- 239000000463 material Substances 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 239000011888 foil Substances 0.000 abstract description 2
- 238000009740 moulding (composite fabrication) Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000011179 visual inspection Methods 0.000 description 6
- 238000007689 inspection Methods 0.000 description 5
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005034 decoration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 235000001968 nicotinic acid Nutrition 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 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
- B23K26/0093—Working by laser beam, e.g. welding, cutting or boring combined with mechanical machining or metal-working covered by other subclasses than B23K
-
- 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
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/06—Metal-working plant comprising a number of associated machines or apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/02—Honeycomb structures
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention belongs to the technical field of metal foil processing and manufacturing, and provides an automatic production process and system of metal honeycomb, wherein the production system comprises a feeding module, a roll forming module, a cutting module, a grabbing and overturning module and a laser welding module which are sequentially arranged along the front end to the tail end of the process; the feeding module conveys the metal material belt into the rolling forming module, and the fin plate is obtained through rolling forming according to the set honeycomb core cell size by the rolling forming module; the cutting module cuts the fin obtained by cutting the fin plate, and the grabbing and overturning module grabs the fin and then transfers the fin to the laser welding module for laser welding or transfers the fin to the laser welding module for laser welding. The automatic production process of the metal honeycomb comprises the following steps: material belt, forming, cutting, welding and detecting. The automatic production system provided by the invention has the advantages that the process is simple, each module is in a modularized design, independent installation and debugging can be performed, good interchangeability is realized, and equipment maintenance and maintenance are facilitated.
Description
Technical Field
The invention belongs to the technical field of processing and manufacturing of metal foil, and relates to an automatic production process and system of metal honeycomb.
Background
The metal honeycomb is a novel high-strength composite material developed according to the bionics of a honeycomb structure, and is widely applied to the fields of aviation, aerospace, ships, trains, buildings, chemical industry and the like by virtue of various excellent performances. From the appearance, the metal honeycomb is formed by connecting a plurality of fins and provided with countless hexagonal holes, and each hole is provided with the mechanical property of I-steel, so that the metal honeycomb has extremely high specific strength, specific rigidity, bending resistance and shearing resistance under the same weight condition compared with the traditional material; meanwhile, the holes which are mutually closed can block the transmission of air, heat and sound, and have good sound insulation and heat insulation capabilities; furthermore, as the metal honeycomb is made of metal materials, the metal honeycomb has better fireproof and dampproof performances than the traditional decoration materials.
The specific stiffness of the metal honeycomb is very high, but the strength of the metal honeycomb itself depends on the strength of the connection between the fins, and the current production mode of the metal honeycomb comprises gluing or welding.
The gluing mode is to connect a plurality of fins with certain glue at designated positions, and then to obtain the honeycomb structure through integral stretching until the number of designated layers is reached, the process is complex, the brittleness of the honeycomb is high, the size of the core cells is difficult to control, and certain severe environments such as strict requirements on the size of the core cells, high requirements on the purity of materials or high temperature are difficult to meet the requirements. For example, chinese patent No. 112171187a discloses an aluminum honeycomb production device based on a combined glue, which has complicated process and complicated device constitution, and cannot guarantee the size of the honeycomb cells.
The mode of welding stacks a plurality of fins and then welds the metal honeycomb, and this mode can improve the joint strength between the fins, but the incomplete hexagon hole structure appears very easily in the metal honeycomb in the production process, has influenced the performance of metal honeycomb.
In summary, the metal honeycomb produced by the existing method and equipment has the technical problems of complex process, complex structure and difficult guarantee of the size and performance of the core lattice.
Disclosure of Invention
In order to solve the technical problems that the existing mode and equipment for producing the metal honeycomb are complex in process, complex in structure and difficult to ensure the size and performance of the core lattice, the invention discloses an automatic production process and system of the metal honeycomb, which can meet the strict requirements of the fine size of the metal honeycomb and can ensure the specific strength, specific rigidity, bending resistance, shearing resistance and other performance requirements of the metal honeycomb.
The embodiment of the invention provides an automatic production system of a metal honeycomb, which comprises a feeding module, a roll forming module, a cutting module, a grabbing and overturning module and a laser welding module which are sequentially arranged along the front end to the tail end of a process;
the feeding module conveys the metal material belt into the roll forming module, and the fin plate is obtained through roll forming by the roll forming module according to the set honeycomb core cell size;
the cutting module is used for cutting the fin plate to obtain the fin, and the grabbing and overturning module is used for grabbing the fin and then transferring the fin or grabbing and overturning the fin and then transferring the fin to the position of the laser welding module for laser welding;
the laser welding module comprises a laser welding head, a lifting assembly positioned in a welding frame is arranged right below the laser welding head, a supporting plate for placing the fins is arranged on the lifting assembly, an alignment assembly positioned on the side face of the supporting plate is arranged on the welding frame, and the alignment assembly is used for aligning the fins on the supporting plate.
Further, the roll forming module comprises a forming gear structure, an adjusting gear structure, a guide channel and a power source;
the forming gear structure comprises a driving shaft and a driven shaft which are arranged on a forming mechanism frame, wherein a driving forming gear is fixed on the driving shaft, and a driven forming gear matched with the driving forming gear is fixed on the driven shaft;
the adjusting gear structure comprises a differential gear and a driven adjusting gear which are meshed with each other, the differential gear is fixed on the driving shaft, and the driven adjusting gear is fixed on the driven shaft;
the guide channel is arranged on the forming mechanism frame and is positioned between the driving forming gear and the driven forming gear;
the power source is connected with the driving shaft and used for driving the driving shaft to rotate.
Further, the lifting assembly comprises a first lead screw guide rail arranged along the vertical direction, one end of the first lead screw guide rail is connected with the output end of the first servo motor, and the other end of the first lead screw guide rail is connected with the supporting plate.
Further, the alignment assembly comprises a second lead screw guide rail which is arranged along the horizontal direction and penetrates through the welding frame, one end of the second lead screw guide rail is connected with the output end of the second servo motor, the other end of the second lead screw guide rail is connected with a baffle plate, and the baffle plate is located on the side face of the supporting plate.
Further, the laser welding module further comprises a pressing component arranged on the welding frame, the pressing component is located between the supporting plate and the laser welding head, and the pressing component is used for pressing and fixing the fins located on the supporting plate.
Still further, the pressure holding assembly comprises a lever mechanism arranged on the welding frame, one end of the lever mechanism is connected with the output end of the third servo motor, and the other end of the lever mechanism is connected with a pressing plate positioned above the supporting plate.
Still further, the automated production system of metal honeycomb further comprises a visual detection module, wherein the visual detection module is positioned at the rear end of the welding module and is used for visually detecting the metal honeycomb obtained after welding.
The embodiment of the invention also provides an automatic production process of the metal honeycomb, which comprises the following steps:
s1, rolling a metal material belt by adopting a rolling forming mode to prepare a fin plate, and cutting the fin plate to obtain fins with preset lengths;
s2, grabbing a fin according to the fin sequence, transferring the fin to a welding area, grabbing a fin, horizontally turning the fin, transferring the fin to the welding area, and stacking the fin grabbed later and the fin grabbed earlier;
s3, compacting the stacked fins, and welding the stacked fins by adopting a laser welding technology;
s4, repeating the step S2 and the step S3 until the set size parameter of the metal honeycomb is obtained.
In an improved embodiment, the automated production process of the metal honeycomb further comprises:
before compacting the stacked fins, the latter and the former captured fins are aligned.
In an improved embodiment, the automated production process of the metal honeycomb further comprises:
the method comprises the steps of acquiring global size parameters of a metal honeycomb by adopting a visual detection technology, and comparing the acquired global size parameters of the metal honeycomb with preset size parameters to judge whether the metal honeycomb is qualified, wherein the global size parameters of the metal honeycomb comprise the length and the width of the metal honeycomb and the length, the width and the angle of each honeycomb cell in the metal honeycomb.
Compared with the prior art, the beneficial effects that above-mentioned at least one technical scheme that this description embodiment adopted can reach include at least:
1. the automatic production system designed by the invention has simple process, each module is in modularized design, can be independently installed and debugged, has good interchangeability, and is convenient for equipment maintenance;
2. the automatic production system adopts a gear rolling forming mode to manufacture the metal material strip into the fin plate, so that the size of the honeycomb core lattice can be strictly ensured;
3. the automatic production system adopts a laser welding mode to weld the fin which is grabbed later and the fin which is grabbed earlier, so that the self strength of the metal honeycomb can be greatly enhanced, and meanwhile, as other mediums are not introduced in the laser welding, the use environment is not influenced;
4. the automatic production system integrates the visual detection function into the production line, so that the automation degree of the metal honeycomb production process is improved, and the labor cost can be greatly reduced;
5. before laser welding, the fins which are grabbed after the fins are aligned with the fins which are grabbed before the fins are grabbed, so that the integrity and consistency of honeycomb cells in the metal honeycomb can be ensured, and the stability and the self strength of the metal honeycomb structure are further ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, 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 diagram of an automated production system for metal honeycomb in an embodiment of the invention;
FIG. 2 is a simplified schematic diagram of a laser welding module according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a roll forming module according to an embodiment of the invention;
FIG. 4 is a simplified schematic diagram of a roll forming module according to an embodiment of the present invention;
FIG. 5 is a simplified schematic diagram of a cutting module according to an embodiment of the present invention;
FIG. 6 is a simplified schematic diagram illustrating a front view of a visual inspection module according to an embodiment of the present invention;
FIG. 7 is a simplified schematic diagram illustrating a top view of a visual inspection module according to an embodiment of the present invention;
FIG. 8 is a schematic illustration of an automated production process for metal honeycomb in an embodiment of the invention;
FIG. 9 is a schematic view of a metal honeycomb in an embodiment of the invention;
wherein, 1, a feeding module; 2. a roll forming module; 21. a forming mechanism frame; 22. a driving shaft; 23. actively forming a gear; 24. angular contact ball bearings; 25. a driven shaft; 26. a driven forming gear; 27. a power source; 28. a differential gear; 29. a driven adjusting gear; 3. a cutting module; 4. grabbing and overturning the module; 43. cutting the module frame; 44. a sliding table; 45. a knife switch; 46. a lower knife switch; 5. a laser welding module; 51. a first servo motor; 52. welding the frame; 53. a first lead screw guide rail; 54. a supporting plate; 55. a lever mechanism; 56. a laser welding head; 57. a pressing plate; 58. a fin; 59. a baffle; 510. a second lead screw guide rail; 511. a second servo motor; 512. a third servo motor; 71. a detection platform; 72. a metal honeycomb; 73. detecting a camera; 74. a lateral movement mechanism; 75. a longitudinal movement mechanism.
Detailed Description
Embodiments of the present application are described in detail below with reference to the accompanying drawings.
Other advantages and effects of the present application will become apparent to those skilled in the art from the present disclosure, when the following description of the embodiments is taken in conjunction with the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. The present application may be embodied or carried out in other specific embodiments, and the details of the present application may be modified or changed from various points of view and applications without departing from the spirit of the present application. It should be noted that the following embodiments and features of the embodiments may be combined with each other without conflict. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
The embodiment of the invention provides an automatic production system of metal honeycomb, which is shown in fig. 1, and comprises a feeding module 1, a roll forming module 2, a cutting module 3, a grabbing and overturning module 4 and a laser welding module 5 which are sequentially arranged from the front end to the tail end of the process.
The feeding module 1 conveys a metal material belt into the roll forming module 2, and the fin plate is obtained through roll forming by the roll forming module 2 according to the set honeycomb core cell size. The cutting module 3 cuts the fin 58 obtained by cutting the fin plate, and the grabbing and overturning module 4 grabs and overturns the fin 58 and then transfers the fin 58 to the position of the laser welding module 5 for laser welding;
referring to fig. 2, the laser welding module 5 includes a laser welding head 56, a lifting assembly located in the welding frame 52 is disposed under the laser welding head 56, a supporting plate 54 for placing the fins 58 is disposed on the lifting assembly, and an alignment assembly located on a side surface of the supporting plate 54 is disposed on the welding frame 52, and the alignment assembly is used for aligning the fins 58 on the supporting plate 54.
In specific implementation, a metal material belt is put on the middle rotary table of the upper material module 1, and after the material metal material belt is removed for packaging, a stub bar of the metal material belt is pulled to the position of a feed inlet of the roll forming module 2. The feeding structure is provided with a speed-adjustable device, and the feeding beat can be adjusted according to the production efficiency requirement.
In particular, the roll forming module 2 includes a forming gear structure, an adjusting gear structure, a guide channel and a power source 27. Referring to fig. 3 and 4, the forming gear structure includes a driving shaft 22 and a driven shaft 25 disposed on a forming mechanism frame 21, a driving forming gear 23 is fixed on the driving shaft 22, and a driven forming gear 26 engaged with the driving forming gear 23 is fixed on the driven shaft 25.
The adjusting gear structure comprises a differential gear 28 and a driven adjusting gear 29 which are meshed with each other, the differential gear is fixed on the driving shaft 22, and the driven adjusting gear 29 is fixed on the driven shaft 25.
The guide channel is provided on the forming mechanism frame 21 between the driving forming gear 23 and the driven forming gear 26.
The power source 27 is connected to the driving shaft 22 and is used for driving the driving shaft 22 to rotate.
The working principle of the roll forming module 2 is as follows: the metal material belt is led into the space between the driving forming gear 23 and the driven forming gear 26 of the forming gear structure with adjusted gaps from the guide channel, the rotating speed of the power source 27 is set according to the production rhythm, the power source 27 drives the driving shaft 22 to rotate, the driving forming gear 23 and the differential gear 28 synchronously rotate, the differential gear 28 drives the driven adjusting gear 29 meshed with the driving forming gear 23 to rotate, the driven adjusting gear 29 drives the driven shaft 25 to rotate during rotation, the driven forming gear 26 is further enabled to rotate, the metal material belt is rolled and formed through the synchronous rotation of the driving forming gear 23 and the driven forming gear 26, and fin plates are led out from the guide channel. The rotation clearance between the driving forming gear 23 and the driven forming gear 26 can be adjusted and controlled through adjusting the gear structure, and the consistency of metal material belt deformation is better ensured.
It should be noted that, in addition to the roll forming die set 2 having the above structure, any roll forming die set 2 having any known structure may be used in the embodiment of the present invention.
In the concrete implementation, as shown in fig. 4, the driven shaft 25 and the driving shaft 22 in the roll forming module 2 may be mounted on the forming mechanism frame 21 through angular contact ball bearings 24, and may also be mounted on the forming mechanism frame 21 through tapered roller bearings.
In specific implementation, referring to fig. 5, the feeding hole of the cutting module 3 is directly connected with the discharging hole of the roll forming module 2, and the fin plate can be conveyed to the cutting module 3 by means of driving of the forming gear structure. The cutting module 3 cuts the fin plate material by adopting a mode of two blades, an upper blade 45 is arranged on a sliding table 44 of the cutting module 3, and can move in the vertical direction, and a lower blade 46 is fixed on a cutting module frame 43 of the cutting module 3. When the fin plate cutting device works, when the length of the fin plate passing through the two blades reaches the set length, the servo motor of the cutting module 3 drives the sliding table 44 to move through the lead screw, and then drives the upper blade 45 to move, and the fin plate is cut off to obtain fins 58 with the set length by means of friction between the upper blade 45 and the lower blade 46.
In an embodiment not shown in the drawings, the grabbing and overturning module 4 is used for grabbing the fin 58 obtained after the cutting module 3 cuts, and directly transferring the fin to the position of the laser welding module 5 or transferring the fin to the position of the laser welding module after overturning. Specifically, the cut fin 58 may be grasped by a first mechanical arm and placed on the pallet 54 of the laser welding module 5 to wait for welding with the sub-sheet. Meanwhile, in order to realize the hexagonal hole of each core lattice of the metal honeycomb, when the previous fin 58 is directly grabbed and then transferred onto the supporting plate 54 of the laser welding module 5, the next fin 58 needs to be horizontally overturned for 180 degrees and then stacked with the previous fin 58 to be aligned for welding, so that the fin 58 can be grabbed onto the overturning module of the grabbing overturning module 4 through the first mechanical arm to be overturned, and then grabbed and transferred onto the supporting plate 54 of the laser welding module 5 through the first mechanical arm or other mechanical arms to be stacked with the previous fin 58 for laser welding operation.
In an alternative embodiment of the lifting assembly of the laser welding module 5, see fig. 2, the lifting assembly comprises a first screw guide 53 arranged in the vertical direction, one end of the first screw guide 53 is connected to the output end of the first servo motor 51, and the other end is connected to the pallet 54.
In an alternative embodiment of the alignment assembly of the laser welding module 5, see fig. 2, the alignment assembly comprises a second screw guide 510 arranged in a horizontal direction and passing through the welding frame 52, one end of the second screw guide 510 being connected to the output end of the second servomotor 511, the other end being connected to a baffle 59, the baffle 59 being located at the side of the pallet 54. In practice, it is necessary to ensure that the width of the baffle 59 is greater than the thickness of the metal honeycomb to ensure that the baffle 59 is able to align the fins 58 that are grasped later with the fins 58 that are grasped earlier or the metal honeycomb semifinished product that has been welded during production.
In a modified embodiment of the laser welding module 5, the laser welding module 5 further includes a pressing assembly disposed on the welding frame 52, the pressing assembly being located between the pallet 54 and the laser welding head 56, the pressing assembly pressing the fins 58 located on the pallet 54.
In an alternative embodiment of the above-mentioned press-and-hold assembly, see fig. 2, the press-and-hold assembly comprises a lever mechanism 55 provided on the welding frame 52, one end of the lever mechanism 55 is connected to the output end of the third servo motor 512, and the other end is connected to a pressing plate 57 above the supporting plate 54.
In specific implementation, the working process of the laser welding module 5 is as follows: firstly, after the first fin 58 is placed on the supporting plate 54, the lifting assembly works to enable the supporting plate 54 to descend by a designated height, then the baffle 59 of the alignment assembly moves to push the fin 58 to be aligned, and the aligned rear baffle 59 retreats; second, after the second fin 58 is placed, the shutter 59 is moved again to push the two fins 58 into alignment; then, the third servo motor 512 of the pressing assembly moves the pressing plate 57 through the lever mechanism 55 to compact the two layers of stacked and aligned fins 58, the laser welding head 56 starts to work, and the two layers of fins 58 are welded together; finally, the welded pressing plate 57 is lifted, the baffle plate 59 is retracted, the supporting plate 54 drives the welded metal honeycomb semi-finished product to descend again by a designated height, the next fin 58 is waited for being put in, and the welding is performed repeatedly until the outline size of the metal honeycomb meets the requirement, and the welded metal honeycomb product is shown in fig. 9.
In an embodiment of the foregoing automated metal honeycomb production system, the automated metal honeycomb production system further includes a visual inspection module, where the visual inspection module is located at a process rear end of the welding module, and is configured to perform visual inspection on the metal honeycomb obtained after welding.
Specifically, the visual detection module is used for detecting the size of the welded metal honeycomb finished product, and is used for detecting through a visual photographing mode, and obtaining the overall size of the honeycomb through photographing by a camera, wherein the overall size comprises the size and the angle of a core lattice and the length and the width of the honeycomb. Referring to fig. 6 and 7, the visual inspection module includes an inspection platform 71, a lateral movement mechanism 74 and a longitudinal movement mechanism 75 are disposed on the inspection platform 71, an inspection camera 73 is disposed above the inspection platform 71, and the welded metal honeycomb 72 is disposed on the inspection platform 71. When the visual detection module works, the welded metal honeycomb 72 can be grabbed onto the detection platform 71 of the visual detection module through the second mechanical arm, the detection camera 73 starts to shoot and measure the size data of the metal honeycomb 72 in the current visual field range, after the size of the metal honeycomb 72 in the current visual field range is detected, the detection camera 73 is fixed, the detection platform 71 drives the metal honeycomb 72 to move through the transverse movement mechanism 74 and the longitudinal movement mechanism 75, shooting detection of the whole metal honeycomb 72 is completed, the overall size of the metal honeycomb 72 is obtained, acquired data are output as files and are stored in a production line control center for analysis, and the qualified metal honeycomb and the unqualified metal honeycomb can be classified into different blanking carts through the third mechanical arm for blanking.
The embodiment of the invention also provides an automatic production process of the metal honeycomb, which comprises the following steps:
s1, rolling a metal material belt by adopting a rolling forming mode to prepare a fin plate, and cutting the fin plate to obtain fins with preset lengths;
s2, grabbing a fin according to the fin sequence, transferring the fin to a welding area, grabbing a fin, horizontally turning the fin, transferring the fin to the welding area, and stacking the fin grabbed later and the fin grabbed earlier;
s3, compacting the stacked fins, and welding the stacked fins by adopting a laser welding technology;
s4, repeating the step S2 and the step S3 until the set size parameter of the metal honeycomb is obtained.
In an improved embodiment, the automated production process of the metal honeycomb further comprises:
before compacting the stacked fins, the latter and the former captured fins are aligned.
In an improved embodiment, the automated production process of the metal honeycomb further comprises:
the method comprises the steps of acquiring global size parameters of a metal honeycomb by adopting a visual detection technology, and comparing the acquired global size parameters of the metal honeycomb with preset size parameters to judge whether the metal honeycomb is qualified, wherein the global size parameters of the metal honeycomb comprise the length and the width of the metal honeycomb and the length, the width and the angle of each honeycomb cell in the metal honeycomb.
Referring to fig. 8, the route of the automated production process of the metal honeycomb is as follows: the method comprises the steps of material belt forming, cutting, welding and detecting, and specifically comprises the following steps:
step 1: placing a metal material belt on a feeding module 1, and dragging a material head of the metal material belt to a feeding end of a guide channel of a roll forming module 2;
step 2: the roll forming module 2 carries out roll forming on the metal material belt and processes the metal material belt into fin plates with required sizes;
step 3: when the formed fin plate material reaches the preset length, cutting is carried out to obtain fins 58 with the preset length;
step 4: the mechanical arm of the grabbing and overturning module 4 grabs the cut fin 58 and directly transfers the fin to the laser welding module 5;
step 5: the mechanical arm of the grabbing and overturning module 4 grabs the next fin 58, transfers the next fin 58 to the overturning module of the grabbing and overturning module 4 to horizontally overturn the fin 58 by 180 degrees, grabs and sends the next fin 58 to the laser welding module 5 after overturning, and stacks and laminates the next fin 58;
step 6: the laser welding head 56 of the laser welding module 5 carries out laser welding on the attached fins;
step 7: repeating the steps 3 to 6 until the metal honeycomb reaches the required overall size;
step 8: the mechanical arm of the visual detection module takes the welded metal honeycomb out of the laser welding module 5, sends the metal honeycomb to the detection platform 71 of the visual detection module, photographs the metal honeycomb and each core lattice and the appearance size thereof through the detection camera 73, and sends the acquired data to the production line control center for detection and analysis;
step 9: and the mechanical arm of the visual detection module takes out the metal honeycomb obtained after detection, screens the honeycomb according to the size requirement, and sorts the honeycomb and places the honeycomb into a discharging car.
The embodiment of the invention realizes the following technical effects:
1. the automatic production system designed by the invention has simple process, each module is in modularized design, can be independently installed and debugged, has good interchangeability, and is convenient for equipment maintenance;
2. the automatic production system adopts a gear rolling forming mode to manufacture the metal material strip into the fin plate, so that the size of the honeycomb core lattice can be strictly ensured;
3. the automatic production system adopts a laser welding mode to weld the fin which is grabbed later and the fin which is grabbed earlier, so that the self strength of the metal honeycomb can be greatly enhanced, and meanwhile, as other mediums are not introduced in the laser welding, the use environment is not influenced;
4. the automatic production system integrates the visual detection function into the production line, so that the automation degree of the metal honeycomb production process is improved, and the labor cost can be greatly reduced.
5. Before laser welding, the fins which are grabbed after the fins are aligned with the fins which are grabbed before the fins are grabbed, so that the integrity and consistency of honeycomb cells in the metal honeycomb can be ensured, and the stability and the self strength of the metal honeycomb structure are further ensured.
It will be apparent to those skilled in the art that the foregoing is merely a preferred embodiment of the present invention and is not intended to limit the invention, and that various modifications and variations can be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An automatic production system of metal honeycomb is characterized by comprising a feeding module (1), a roll forming module (2), a cutting module (3), a grabbing and overturning module (4) and a laser welding module (5) which are sequentially arranged along the front end to the tail end of the process;
the feeding module (1) conveys a metal material belt into the roll forming module (2), and the fin plate is obtained through roll forming by the roll forming module (2) according to the set honeycomb core cell size;
the rolling forming module (2) comprises a forming gear structure, an adjusting gear structure, a guide channel and a power source (27), wherein the forming gear structure comprises a driving shaft (22) and a driven shaft (25) which are arranged on a forming mechanism frame (21), a driving forming gear (23) is fixed on the driving shaft (22), a driven forming gear (26) matched with the driving forming gear (23) is fixed on the driven shaft (25), and the guide channel is arranged on the forming mechanism frame (21) and is positioned between the driving forming gear (23) and the driven forming gear (26); the power source (27) is connected with the driving shaft (22) and is used for driving the driving shaft (22) to rotate; the adjusting gear structure comprises a differential gear (28) and a driven adjusting gear (29) which are meshed with each other, the differential gear is fixed on the driving shaft (22), and the driven adjusting gear (29) is fixed on the driven shaft (25); the adjusting gear structure is used for adjusting a rotation gap between a driving forming gear (23) on the driving shaft (22) and a driven forming gear (26) on the driven shaft (25);
the cutting module (3) cuts the fin (58) obtained by cutting the fin plate, and the grabbing and overturning module (4) grabs the fin (58) and then transfers or grabs and overturns the fin by 180 degrees and then transfers the fin to the position of the laser welding module (5) for laser welding;
the laser welding module (5) comprises a laser welding head (56), a lifting assembly located in a welding frame (52) is arranged right below the laser welding head (56), a supporting plate (54) for placing the fins (58) is arranged on the lifting assembly, an alignment assembly located on the side face of the supporting plate (54) is arranged on the welding frame (52), and the alignment assembly is used for aligning the fins (58) on the supporting plate (54).
2. The automated production system of metal honeycombs according to claim 1, wherein the lifting assembly comprises a first screw guide (53) arranged in a vertical direction, one end of the first screw guide (53) being connected to the output of a first servo motor (51) and the other end being connected to the pallet (54).
3. The automated production system of metal honeycombs according to claim 1, wherein the alignment assembly comprises a second screw guide (510) arranged in a horizontal direction and passing through the welding frame (52), one end of the second screw guide (510) being connected to the output of a second servomotor (511), the other end being connected to a baffle (59), the baffle (59) being located at the side of the pallet (54).
4. The automated production system of metal honeycombs of claim 1, wherein the laser welding module (5) further includes a hold-down assembly disposed on the welding frame (52) between the pallet (54) and the laser welding head (56), the hold-down assembly holding down and securing the fins (58) on the pallet (54).
5. The automated metal honeycomb production system of claim 4, wherein the press-holding assembly comprises a lever mechanism (55) provided on the welding frame (52), one end of the lever mechanism (55) is connected with an output end of a third servo motor (512), and the other end is connected with a pressing plate (57) positioned above the supporting plate (54).
6. The automated production system of metal honeycomb of claim 4, further comprising:
and the visual detection module is positioned at the rear end of the welding module and is used for visually detecting the metal honeycomb obtained after welding.
7. An automated production process of metal honeycomb using the automated production system of metal honeycomb according to claim 6, comprising:
s1, adopting a roll forming mode, rolling a metal material belt by using the roll forming module to prepare a fin plate, and cutting the fin plate to obtain fins with preset lengths;
s2, grabbing a fin according to the fin sequence, transferring the fin to a welding area, grabbing a fin, horizontally turning the fin, transferring the fin to the welding area, and stacking the fin grabbed later and the fin grabbed earlier;
s3, compacting the stacked fins, and welding the stacked fins by using the laser welding module (5) through a laser welding technology;
s4, repeating the step S2 and the step S3 until the set size parameter of the metal honeycomb is obtained.
8. The automated production process of metal honeycomb according to claim 7, further comprising:
before compacting the stacked fins, the latter and the former captured fins are aligned.
9. The automated production process of metal honeycomb according to claim 7, further comprising:
the method comprises the steps of acquiring global size parameters of a metal honeycomb by adopting a visual detection technology, and comparing the acquired global size parameters of the metal honeycomb with preset size parameters to judge whether the metal honeycomb is qualified, wherein the global size parameters of the metal honeycomb comprise the length and the width of the metal honeycomb and the length, the width and the angle of each honeycomb cell in the metal honeycomb.
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| CN117123912A (en) | 2023-11-28 |
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