CN114453744A - Laser welding equipment and welding method for motor iron core - Google Patents
Laser welding equipment and welding method for motor iron core Download PDFInfo
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- CN114453744A CN114453744A CN202210384348.XA CN202210384348A CN114453744A CN 114453744 A CN114453744 A CN 114453744A CN 202210384348 A CN202210384348 A CN 202210384348A CN 114453744 A CN114453744 A CN 114453744A
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- 238000003466 welding Methods 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims description 144
- 230000003993 interaction Effects 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 18
- 238000003780 insertion Methods 0.000 claims description 12
- 230000037431 insertion Effects 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000010959 steel 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
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- Automatic Assembly (AREA)
Abstract
The invention relates to the technical field of motor core welding, and provides laser welding equipment and a welding method for a motor core. The beneficial effects of the invention are: when the number of the discs on the motor iron core is increased or reduced, the third driving motor can drive the rotating ring to rotate in the circular guide rail on the annular fixing plate through the meshing between the fifth driving gear and the second gear, the rotating ring drives the internal threaded pipe to rotate through the meshing between the first gear and the second transmission gear, and then the external threaded pipe is driven to do linear motion, so that the function of automatically adjusting the extending height of the external threaded pipe along with the number of the discs is realized.
Description
Technical Field
The invention relates to the technical field of motor core welding, in particular to laser welding equipment and a welding method for a motor core.
Background
The disc is the most common part in motor production, is used for being stacked together and welded to form a motor iron core, and is formed by punching a thin steel sheet (silicon steel sheet). Different types and sizes of motor iron cores are made of discs with different sizes and shapes. In the process of the motor iron core, hundreds of discs are stacked together to be welded.
The existing laser welding equipment for the motor core generally limits the position of a disc through a fixed limiting column, and the fixed limiting column has the following three defects: firstly, when the number or the diameter of the discs changes, the original limiting columns need to be disassembled again, and then the limiting columns with another size are installed according to the number or the diameter of the discs, so that time and labor are wasted; the problem that the disc is easily scratched by a limiting column in the disc placing process is easily caused no matter the discs are manually stacked or stacked by a manipulator, so that the discs are easily damaged; thirdly, the fixed spacing post that sets up does not possess the problem of the dust of automatic clearance adhesion on the video disc surface, and the dust reduces welding quality easily, and above three defect just makes current laser welding equipment for motor core have the problem that the practicality is relatively poor.
Disclosure of Invention
The invention aims to provide laser welding equipment and a welding method for a motor iron core, and aims to solve the problems of inconvenience in use and poor practicability when the existing laser welding equipment and the existing welding method for the motor iron core are used.
In order to achieve the above object, the present invention provides a laser welding apparatus for a motor core, comprising a carrying mechanism, a laser welding mechanism, a disc grabbing mechanism, a human-computer interface, and a disc supporting assembly, wherein the laser welding mechanism, the disc grabbing mechanism, and the human-computer interface are all mounted on the carrying mechanism, the laser welding mechanism and the disc grabbing mechanism are all electrically connected to the human-computer interface, the laser welding apparatus further comprises a clamping mechanism, a gas conveying mechanism, a third driving assembly, and a rotating ring, the third driving assembly is connected to the rotating ring, a housing is disposed in the carrying mechanism, the clamping mechanism, the gas conveying mechanism, the third driving assembly, and the rotating ring are all mounted on the housing, the clamping mechanism comprises a first driving assembly, a linkage assembly, and a telescopic assembly, the first driving assembly is connected to the telescopic assembly through the linkage assembly, the disc supporting assembly is provided with a disc, the telescopic assembly is in contact connection with the side wall of the disc, one side of the rotating ring, far away from the third driving assembly, is also connected with the telescopic assembly, and the end part of the telescopic assembly is connected with the gas conveying mechanism.
As a further scheme of the present invention, the third driving assembly includes a fifth driving gear and a third driving motor, the fifth driving gear is connected to the third driving motor through a motor shaft, the third driving motor is mounted on an outer wall of the housing, the housing is provided with an avoidance hole, the fifth driving gear is located in the avoidance hole, an annular fixing plate is mounted on an inner wall of the housing, a circular guide rail is disposed on a surface of the annular fixing plate, an annular guide bar is mounted on one side of the rotating ring close to the annular fixing plate, the annular guide bar is rotatably connected in the circular guide rail, a plurality of first gear teeth and second gear teeth are respectively and uniformly mounted on one side of the rotating ring close to the telescopic assembly and the fifth driving gear, the first gear teeth are connected to the telescopic assembly, the second gear teeth are meshed with the fifth driving gear, the telescopic assembly includes an internal threaded tube, a third driving motor, and a fourth driving motor, Second drive gear and external screw thread pipe, one end threaded connection of external screw thread pipe is intraductal at the internal thread, install second drive gear on the internal thread pipe, second drive gear is connected with the meshing of first teeth of a cogwheel.
As a further scheme of the invention, an air inlet is formed in one end of the internal threaded pipe, which is far away from the external threaded pipe, and is communicated with an air conveying mechanism, the air conveying mechanism comprises an inserting pipe, a sealing gasket, a fixed air guide branch pipe, a telescopic air guide branch pipe, an air guide main pipe, an air pump and an air inlet pipe, the air inlet end of the air pump is connected with the air inlet pipe, the air outlet end of the air pump is connected with the air guide main pipe, the air guide main pipe is connected with the fixed air guide branch pipe through the telescopic air guide branch pipe, one end of the fixed air guide branch pipe, which is far away from the telescopic air guide branch pipe, is connected with the inserting pipe, the inserting pipe is connected with the air inlet in an inserting and combining manner, the inserting pipe is further fixedly sleeved with the sealing gasket which is in attaching connection with the end face of the internal threaded pipe, and an opening is formed in one end of the external threaded pipe, which is located at the internal threaded pipe. A plurality of exhaust holes are uniformly formed in one side, close to the disc, of the outer threaded pipe.
As a further scheme of the present invention, the first driving assembly includes a first driving motor and a lead screw, the first driving motor is connected to the lead screw through a motor shaft, the first driving motor is installed in the housing, the linkage assembly includes a nut block, a connecting rod and a fixing ring, the nut block is movably sleeved on the lead screw, two ends of the connecting rod are respectively hinged to the nut block and the fixing ring, and the internal threaded pipe is installed in the fixing ring.
As a further scheme of the invention, the number of the internal thread tubes, the number of the external thread tubes, the number of the fixing rings, the number of the fixed air guide branch tubes and the number of the telescopic air guide branch tubes are all a plurality, the number of the internal thread tubes, the number of the external thread tubes and the number of the fixing rings are centrosymmetric with respect to the disc support assembly and the first driving assembly, the number of the fixed air guide branch tubes and the number of the telescopic air guide branch tubes are centrosymmetric with respect to the air guide main pipe, the surfaces of the shell, which are close to the external thread tubes and the fixed air guide branch tubes, are both provided with second chutes, two ends of the internal thread tubes are slidably connected to the inner wall of the shell, and the external thread tubes and the fixed air guide branch tubes are slidably connected in the second chutes.
As a further scheme of the invention, a second flexible hose is further sleeved on the outer side of the external threaded pipe, a plurality of air holes are uniformly formed in the surface of the second flexible hose, a limiting rod is mounted at one end, far away from the internal threaded pipe, of the external threaded pipe, an insertion hole is formed in one end of the second flexible hose, the second flexible hose is sleeved on the limiting rod through the insertion hole, a first sliding groove is further formed in the shell, a second sliding groove, close to one side of the external threaded pipe, of the shell is located in the first sliding groove, and one end, far away from the insertion hole, of the second flexible hose is connected in the first sliding groove in a sliding mode.
As a further scheme of the present invention, the disc support assembly includes a support plate, a third transmission gear, a fourth drive gear, a second drive motor, and a rotation rod, the support plate is connected to the housing through the rotation rod, the rotation rod is provided with the third transmission gear, the housing is provided with the second drive motor, the second drive motor is connected to the fourth drive gear through a motor shaft, and the third transmission gear is meshed with the fourth drive gear.
As a further scheme of the invention, the bearing mechanism further comprises a base, a first fixing frame and a second fixing frame, the shell is arranged on the base, the first fixing frame and the second fixing frame are positioned at two sides of the shell, the first fixing frame and the second fixing frame are both connected with the shell and the base, the laser welding mechanism is arranged on the second fixing frame, the laser welding mechanism comprises a transverse guide rail, a longitudinal guide rail, a laser welding instrument, an installation block, a first driving gear and a second toothed plate, the laser welding instrument is arranged on the installation block, a fourth driving motor is arranged on the installation block, the first driving gear is connected with the fourth driving motor through a motor shaft, the installation block is connected in the longitudinal guide rail in a sliding manner, the second toothed plate is arranged on the inner wall of the longitudinal guide rail, the first driving gear is meshed with the second toothed plate, and the transverse guide rail is arranged on the second fixing frame, the longitudinal guide rail is connected in the transverse guide rail in a sliding mode.
As a further scheme of the invention, the first fixed frame is provided with a disc grabbing mechanism, the disc grabbing mechanism comprises a rotating pipe, a movable rod, a first transmission gear, a third drive gear, a cross rod, a hanging rod and a grabbing assembly, the grabbing assembly is connected with the cross rod through the hanging rod, the cross rod is connected to the movable rod, the movable rod is provided with a limiting rib along the axis direction of the movable rod, the movable rod is connected in the rotating pipe in a sliding manner through the limiting rib, the rotating pipe is arranged on the first fixed frame, the rotating pipe is provided with the first transmission gear, the first fixed frame is also provided with a fifth drive motor, the third drive gear is connected with the fifth drive motor through a motor shaft, the first transmission gear is meshed with the third drive gear, one end of the movable rod, which is far away from the cross rod, is arranged in a bearing pre-installed on the fixed block, still install sixth driving motor on the fixed block, sixth driving motor is connected with second drive gear through the motor shaft, install first rack board on the first mount, second drive gear is connected with first rack board meshing, it includes fixed frame, vacuum pump, telescopic link, first expansion hose, vacuum suction nozzle installation casing and vacuum suction nozzle to snatch the subassembly, fixed frame and jib are connected, the vacuum pump is installed in fixed frame, the vacuum pump is through first expansion hose connection vacuum suction nozzle installation casing, vacuum suction nozzle installation casing surface evenly is connected with a plurality of vacuum suction nozzle, still be connected with the telescopic link between vacuum suction nozzle installation casing and the fixed frame.
A laser welding method for a motor core, comprising the steps of:
and 3, starting the laser welding mechanism through the human-computer interaction interface, wherein the laser welding mechanism can weld the stacked discs along the axis direction of the discs.
In conclusion, the beneficial effects of the invention are as follows:
1. when the number of the discs on the motor iron core is increased or decreased, the third driving motor can drive the rotating ring to rotate in the circular guide rail on the annular fixing plate through the meshing between the fifth driving gear and the second gear teeth, the rotating ring drives the inner threaded pipe to rotate through the meshing between the first gear teeth and the second transmission gear, and further drives the outer threaded pipe to do linear motion, so that the function of automatically adjusting the extending height of the outer threaded pipe along with the number of the discs is realized, and the disc-type automatic adjusting device has the characteristics of wide application range and strong practicability;
2. after the discs are stacked, the gas conveying mechanism is started through the human-computer interaction interface, gas generated by a gas pump in the gas conveying mechanism can be conveyed into a telescopic component in the clamping mechanism through the gas guide main pipe, the telescopic gas guide branch pipe and the fixed gas guide branch pipe, and finally the gas is blown to the surfaces of the discs through the plurality of exhaust holes in the external threaded pipe, so that the external threaded pipe can automatically clean dust adhered to the surfaces of the discs while clamping the discs, the dust is prevented from reducing the welding quality of the motor iron core, and the disc stacking device has the characteristics of strong practicability and good welding effect;
3. when the disc grabbing mechanism grabs a disc and moves to a position right above the clamping mechanism, the first driving component in the clamping mechanism drives the telescopic component to move towards a direction far away from the disc supporting component through the linkage component, so that a large enough space is reserved for the disc grabbing mechanism to place the disc on the disc supporting component, the disc damage caused by rubbing between the disc and the telescopic component is prevented, after the disc grabbing mechanism leaves the clamping mechanism, the first driving component in the clamping mechanism drives the telescopic component to move towards a direction close to the disc supporting component through the linkage component, so that the disc is clamped and fixed through the telescopic component, the reciprocating is performed, the first driving component in the clamping mechanism drives the telescopic component to move towards a direction far away from the disc supporting component through the linkage component, and the function of automatically adjusting the position of the telescopic component according to the diameter of the disc can be realized, the method has the characteristics of strong practicability and wide application range;
4. the second driving motor can drive the supporting plate and the disc positioned on the supporting plate to rotate through the meshing between the fourth driving gear and the third transmission gear, and after the second driving motor rotates for a certain angle each time, the plurality of exhaust holes in the external threaded pipe can blow air to the disc positioned at the exhaust hole, so that the disc cleaning device has the characteristics of thorough dust cleaning and good effect; meanwhile, the laser welding mechanism can weld the disc at the position.
5. The human-computer interaction interface is electrically connected with the fifth driving motor, the sixth driving motor and the vacuum pump, the fifth driving motor can drive the rotating pipe and the movable rod to rotate by a certain angle, the sixth driving motor drives the movable rod to do lifting motion, so that the functions of automatically adjusting the rotating angle and the lifting height of the grabbing component are realized, the vacuum pump can control the vacuum suction nozzle to suck and loosen the disc, the function of automatically grabbing the disc is realized, and the automatic grabbing device has the characteristic of high automation degree.
Drawings
Fig. 1 is a schematic plan view of a laser welding apparatus and a welding method for a motor core according to an embodiment of the present invention.
Fig. 2 is an assembly view of the housing, clamping mechanism and gas delivery mechanism in an embodiment of the invention.
Fig. 3 is a distribution diagram of positions of the first sliding groove and the second sliding groove on the housing according to the embodiment of the invention.
FIG. 4 is an assembly view of the clamping mechanism and gas delivery mechanism in an embodiment of the present invention.
FIG. 5 is a perspective view of a clamping mechanism in an embodiment of the invention.
FIG. 6 is an assembly view of the first drive assembly and linkage assembly in an embodiment of the present invention.
FIG. 7 is a perspective view of an externally threaded tube in an embodiment of the present invention.
Fig. 8 is a perspective view of a second bellows in an embodiment of the present invention.
FIG. 9 is a perspective view of a gas delivery mechanism in an embodiment of the present invention.
Fig. 10 is a diagram showing a connection relationship between the second transmission gear and the rotating ring in the embodiment of the present invention.
Fig. 11 is a schematic structural view of a rotating ring and an annular fixing plate according to an embodiment of the present invention.
FIG. 12 is a perspective view of a disc support assembly according to an embodiment of the present invention.
Fig. 13 is a partial enlarged view of a in fig. 1 according to the present invention.
Fig. 14 is a partial enlarged view of b of fig. 1 according to the present invention.
Fig. 15 is a partial enlarged view of c of fig. 1 according to the present invention.
Reference numerals: 1-bearing mechanism, 11-base, 12-shell, 121-first sliding chute, 122-second sliding chute, 123-annular fixed plate, 13-first fixed frame, 131-first rack plate, 14-second fixed frame, 2-laser welding mechanism, 21-transverse guide rail, 22-longitudinal guide rail, 23-laser welding instrument, 24-mounting block, 25-first driving gear, 26-second rack plate, 3-disc grabbing mechanism, 31-rotating pipe, 32-movable rod, 321-limiting rib, 322-bearing, 323-fixed block, 324-second driving gear, 33-first driving gear, 34-third driving gear, 35-transverse rod, 36-suspension rod, 37-grabbing component, 371-fixed frame, 372-vacuum pump, 373-telescopic rod, 374-first telescopic hose, 375-vacuum suction nozzle mounting shell, 376-vacuum suction nozzle, 4-clamping mechanism, 41-first driving component, 411-first driving motor, 412-lead screw, 42-linkage component, 421-nut block, 422-connecting rod, 423-fixing ring, 43-telescopic component, 431-internal thread pipe, 4311-second transmission gear, 4312-air inlet hole, 432-external thread pipe, 4321-air outlet hole, 4322-limiting rod, 44-second telescopic hose, 441-air hole, 442-plug hole, 5-gas conveying mechanism, 51-plug pipe, 52-sealing gasket, 53-fixed gas guide branch pipe, 54-telescopic gas guide branch pipe, 54-vacuum suction nozzle mounting shell, 55-an air guide manifold, 56-an air pump, 57-an air inlet pipe, 6-a man-machine interaction interface, 7-a disc supporting assembly, 71-a supporting plate, 72-a third transmission gear, 73-a fourth driving gear, 74-a second driving motor, 75-a rotating rod, 8-a third driving assembly, 81-a fifth driving gear, 82-a third driving motor, 9-a rotating ring, 91-a first gear tooth, 92-a second gear tooth and 93-an annular guide bar.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Referring to fig. 1, 2, 4 and 5, a laser welding apparatus for a motor core according to an embodiment of the present invention includes a carrying mechanism 1, a laser welding mechanism 2, a disc grabbing mechanism 3, a man-machine interface 6 and a disc supporting assembly 7, where the laser welding mechanism 2, the disc grabbing mechanism 3 and the man-machine interface 6 are all installed on the carrying mechanism 1, the laser welding mechanism 2 and the disc grabbing mechanism 3 are both electrically connected to the man-machine interface 6, the laser welding apparatus further includes a clamping mechanism 4, a gas conveying mechanism 5, a third driving assembly 8 and a rotating ring 9, the third driving assembly 8 is connected to the rotating ring 9, a housing 12 is disposed in the carrying mechanism 1, the clamping mechanism 4, the gas conveying mechanism 5, the third driving assembly 8 and the rotating ring 9 are all installed on the housing 12, and the clamping mechanism 4 includes a first driving assembly 41, The first driving assembly 41 is connected with the telescopic assembly 43 through the linkage assembly 42, a disc is placed on the disc supporting assembly 7, the telescopic assembly 43 is in contact connection with the side wall of the disc, one side of the rotating ring 9, far away from the third driving assembly 8, is also connected with the telescopic assembly 43, and the end part of the telescopic assembly 43 is connected with the gas conveying mechanism 5.
In the embodiment of the present invention, the disc grabbing mechanism 3 grabs a disc and moves to the position right above the clamping mechanism 4, through the preset program in the human-computer interface 6, at this time, the first driving component 41 in the clamping mechanism 4 drives the telescopic component 43 to move towards the direction far away from the disc support component 7 through the linkage component 42, so as to reserve a sufficient space for the disc grabbing mechanism 3 to place the disc on the disc support 7, after the disc grabbing mechanism 3 leaves the clamping mechanism 4, the first driving component 41 in the clamping mechanism 4 drives the telescopic component 43 to move towards the direction close to the disc support component 7 through the linkage component 42, so as to clamp and fix the disc through the telescopic component 43, and the cycle is repeated until a certain number of discs are all placed on the disc support component 7, when the number of stacked discs changes, the human-computer interaction interface 6 enables the third driving assembly 8 to drive the telescopic assembly 43 to move through the rotating ring 9 by opening the third driving assembly 8, so as to adjust the height of the telescopic assembly 43;
referring to fig. 7, 10, 11 and 15, in an embodiment of the present invention, the third driving assembly 8 includes a fifth driving gear 81 and a third driving motor 82, the fifth driving gear 81 is connected to the third driving motor 82 through a motor shaft, the third driving motor 82 is installed on an outer wall of the housing 12, an avoiding hole is formed in the housing 12, the fifth driving gear 81 is located in the avoiding hole, an annular fixing plate 123 is installed on an inner wall of the housing 12, a circular guide rail is formed on a surface of the annular fixing plate 123, an annular guide bar 93 is installed on one side of the rotating ring 9 close to the annular fixing plate 123, the annular guide bar 93 is rotatably connected in the circular guide rail, a plurality of first gear teeth 91 and second gear teeth 92 are respectively and uniformly installed on one side of the rotating ring 9 close to the telescopic assembly 43 and the fifth driving gear 81, the first gear teeth 91 are connected to the telescopic assembly 43, the second gear 92 is meshed with the fifth driving gear 81, the telescopic assembly 43 comprises an internal threaded pipe 431, a second transmission gear 4311 and an external threaded pipe 432, one end of the external threaded pipe 432 is in threaded connection with the internal threaded pipe 431, the internal threaded pipe 431 is provided with the second transmission gear 4311, and the second transmission gear 4311 is meshed with the first gear 91.
In the embodiment of the present invention, when the number of discs on the motor core is increased or decreased, the third driving motor 82 can drive the rotating ring 9 to rotate in the circular guide rail on the annular fixing plate 123 through the engagement between the fifth driving gear 81 and the second gear 92, and the rotating ring 9 drives the internal threaded pipe 431 to rotate through the engagement between the first gear 91 and the second transmission gear 4311, so as to drive the external threaded pipe 432 to make a linear motion, thereby implementing the function of automatically adjusting the extension height of the external threaded pipe 432 according to the number of discs, and having the characteristics of wide application range and strong practicability.
Referring to fig. 4, 5, 7 and 9, in an embodiment of the present invention, an air inlet hole 4312 is formed in an end of the internal threaded pipe 431, which is far away from the external threaded pipe 432, the air inlet hole 4312 is communicated with the air delivery mechanism 5, the air delivery mechanism 5 includes an insertion pipe 51, a sealing gasket 52, a fixed air guide branch pipe 53, a telescopic air guide branch pipe 54, an air guide main pipe 55, an air pump 56 and an air inlet pipe 57, an air inlet pipe 57 is connected to an air inlet end of the air pump 56, an air outlet end of the air pump 56 is connected to the air guide main pipe 55, the air guide main pipe 55 is connected to the fixed air guide branch pipe 53 through the telescopic air guide branch pipe 54, an insertion pipe 51 is connected to an end of the fixed air guide branch pipe 53, which is far away from the telescopic air guide branch pipe 54, the insertion pipe 51 is inserted into the air inlet hole 4312, and the insertion pipe 51 is further fixedly sleeved with the sealing gasket 52, which is attached to an end face of the internal threaded pipe 431, an opening is designed at one end of the external threaded pipe 432 positioned at the internal threaded pipe 431. A plurality of vent holes 4321 are uniformly arranged on one side of the external thread pipe 432 close to the disc.
In the embodiment of the present invention, after the discs are stacked, the air conveying mechanism 5 is turned on through the human-computer interface 6, the air generated by the air pump 56 in the air conveying mechanism 5 can be conveyed into the telescopic assembly 43 in the clamping mechanism 4 through the air guide main pipe 55, the telescopic air guide branch pipe 54 and the fixed air guide branch pipe 53, and finally the air is blown to the surfaces of the discs through the plurality of air vents 4321 on the external threaded pipe 432, so that the external threaded pipe 432 can automatically clean off the dust adhered to the surfaces of the discs while clamping the discs, thereby preventing the dust from reducing the welding quality of the motor core.
Referring to fig. 6, in an embodiment of the present invention, the first driving assembly 41 includes a first driving motor 411 and a lead screw 412, the first driving motor 411 is connected to the lead screw 412 through a motor shaft, the first driving motor 411 is installed in the housing 12, the linkage assembly 42 includes a nut block 421, a connecting rod 422 and a fixing ring 423, the nut block 421 is movably sleeved on the lead screw 412, two ends of the connecting rod 422 are respectively hinged to the nut block 421 and the fixing ring 423, and the internal threaded pipe 431 is installed in the fixing ring 423.
In the embodiment of the present invention, when the disc grabbing mechanism 3 grabs a disc and moves to a position right above the gripping mechanism 4, the first driving component 41 in the gripping mechanism 4 drives the telescopic component 43 to move in a direction away from the disc support component 7 through the linkage component 42, so as to reserve a sufficient space for the process that the disc grabbing mechanism 3 places the disc on the disc support component 7, and prevent the disc from being damaged due to rubbing between the disc and the telescopic component 43, when the disc grabbing mechanism 3 leaves the gripping mechanism 4, the first driving component 41 in the gripping mechanism 4 drives the telescopic component 43 to move in a direction close to the disc support component 7 through the linkage component 42, so as to clamp and fix the disc through the telescopic component 43, and thus, when the disc grabbing mechanism 3 circulates repeatedly, the first driving component 41 in the gripping mechanism 4 drives the telescopic component 43 to move in a direction away from the disc support component 7 through the linkage component 42, and further, automatic movement according to the diameter of the disc can be realized The function of the position of adjusting flexible subassembly 43 possesses the characteristics that the practicality is strong and application scope is wide.
Referring to fig. 1 and 3, in an embodiment of the present invention, the number of the internal threaded pipes 431, the external threaded pipes 432, the fixing rings 423, the fixed air guide branch pipes 53 and the telescopic air guide branch pipes 54 is several, the number of the internal threaded pipes 431, the external threaded pipes 432 and the fixing rings 423 are centrosymmetric with respect to the disc support assembly 7 and the first driving assembly 41, the number of the fixed air guide branch pipes 53 and the telescopic air guide branch pipes 54 are centrosymmetric with respect to the air guide main pipe 55, the surfaces of the casing 12 close to the external threaded pipes 432 and the fixed air guide branch pipes 53 are respectively provided with the second sliding grooves 122, two ends of the internal threaded pipes 431 are slidably connected to the inner wall of the casing 12, and the external threaded pipes 432 and the fixed air guide branch pipes 53 are slidably connected in the second sliding grooves 122.
In the embodiment of the present invention, the second chute 122 is designed to ensure the stability of the movement of the internal threaded pipe 431, the external threaded pipe 432, the fixing ring 423, the fixed air guide branch pipe 53 and the telescopic air guide branch pipe 54.
Referring to fig. 1, fig. 2 and fig. 8, in an embodiment of the present invention, a second flexible tube 44 is further sleeved on an outer side of the external threaded tube 432, a plurality of vent holes 441 are uniformly formed in a surface of the second flexible tube 44, a limit rod 4322 is installed at an end of the external threaded tube 432 away from the internal threaded tube 431, an insertion hole 442 is designed at one end of the second flexible tube 44, the second flexible tube 44 is sleeved on the limit rod 4322 through the insertion hole 442, a first sliding groove 121 is further formed in the housing 12, a second sliding groove 122 on a side of the housing 12 close to the external threaded tube 432 is located in the first sliding groove 121, and an end of the second flexible tube 44 away from the insertion hole 442 is slidably connected in the first sliding groove 121.
In the embodiment of the present invention, the second flexible tube 44 is made of a flexible material, and the purpose of the flexible material is to protect the disc, so as to prevent the thread on the surface of the external threaded tube 432 from scratching the disc when the disc is clamped, when the external threaded tube 432 performs a lifting motion, the second flexible tube 44 can be driven by the limit rod 4322 to fold and unfold, and when the external threaded tube 432 performs a radial motion, the second flexible tube 44 can be driven to move in the first sliding groove 121.
Referring to fig. 1, 2 and 12, in an embodiment of the present invention, the disc support assembly 7 includes a support plate 71, a third transmission gear 72, a fourth drive gear 73, a second drive motor 74 and a rotation rod 75, the support plate 71 is connected to the housing 12 through the rotation rod 75, the rotation rod 75 is mounted with the third transmission gear 72, the housing 12 is mounted with the second drive motor 74, the second drive motor 74 is connected to the fourth drive gear 73 through a motor shaft, and the third transmission gear 72 is engaged with the fourth drive gear 73.
In the embodiment of the present invention, the second driving motor 74 can drive the supporting plate 71 and the disc on the supporting plate 71 to rotate through the engagement between the fourth driving gear 73 and the third driving gear 72, and the human-computer interface 6 is electrically connected to the second driving motor 74 for controlling the angle of a single rotation of the supporting plate 71, which has two purposes: firstly, after rotating a certain angle each time, the plurality of vent holes 4321 on the external thread pipe 432 can blow air to the disc at the positions of the vent holes 4321, and the device has the characteristics of thorough dust cleaning and good effect; secondly, after rotating a certain angle each time, the laser welding mechanism 2 can weld the disc in the position.
Referring to fig. 1, in an embodiment of the present invention, the carrying mechanism 1 further includes a base 11, a first fixing frame 13 and a second fixing frame 14, the housing 12 is installed on the base 11, the first fixing frame 13 and the second fixing frame 14 are located at two sides of the housing 12, the first fixing frame 13 and the second fixing frame 14 are both connected to the housing 12 and the base 11, the laser welding mechanism 2 is installed on the second fixing frame 14, the laser welding mechanism 2 includes a transverse guide rail 21, a longitudinal guide rail 22, a laser welding instrument 23, an installation block 24, a first driving gear 25 and a second rack 26, the laser welding instrument 23 is installed on the installation block 24, the installation block 24 is installed with a fourth driving motor, the first driving gear 25 is connected to the fourth driving motor through a motor shaft, the installation block 24 is slidably connected in the longitudinal guide rail 22, the inner wall of the longitudinal guide rail 22 is installed with the second rack 26, the first driving gear 25 is engaged with the second rack 26, the transverse rail 21 is mounted on the second fixing frame 14, and the longitudinal rail 22 is slidably connected in the transverse rail 21.
In the embodiment of the present invention, the structure in the transverse guide rail 21 and the structure in the longitudinal guide rail 22 may be designed to be the same, and the specific structure is not limited as long as the longitudinal guide rail 22 can horizontally move.
Referring to fig. 1, 13 and 14, in an embodiment of the present invention, a disc grabbing mechanism 3 is installed on the first fixing frame 13, the disc grabbing mechanism 3 includes a rotating tube 31, a movable rod 32, a first transmission gear 33, a third driving gear 34, a cross rod 35, a hanging rod 36 and a grabbing component 37, the grabbing component 37 is connected to the cross rod 35 through the hanging rod 36, the cross rod 35 is connected to the movable rod 32, a limiting rib 321 is arranged on the movable rod 32 along an axial direction thereof, the movable rod 32 is slidably connected to the rotating tube 31 through the limiting rib 321, the rotating tube 31 is installed on the first fixing frame 13, the rotating tube 31 is installed with the first transmission gear 33, the first fixing frame 13 is also installed with a fifth driving motor, the third driving gear 34 is connected to the fifth driving motor through a motor shaft, the first transmission gear 33 is engaged with the third driving gear 34, the end of the movable rod 32 remote from the cross rod 35 is mounted in a bearing 322 pre-mounted on a fixed block 323, a sixth driving motor is further mounted on the fixed block 323, the sixth driving motor is connected with a second driving gear 324 through a motor shaft, the first rack plate 131 is mounted on the first fixing frame 13, the second driving gear 324 is engaged with the first rack plate 131, the gripping assembly 37 includes a fixing frame 371, a vacuum pump 372, a telescopic rod 373, a first telescopic hose 374, a vacuum nozzle mounting housing 375 and a vacuum nozzle 376, the fixing frame 371 is connected with the suspension rod 36, the vacuum pump 372 is installed in the fixing frame 371, the vacuum pump 372 is connected to a vacuum nozzle mounting housing 375 via a first bellows 374, a plurality of vacuum nozzles 376 are uniformly connected to the surface of the vacuum nozzle mounting housing 375, an expansion rod 373 is connected between the vacuum nozzle mounting housing 375 and the fixing frame 371.
In the embodiment of the invention, the human-computer interface 6 is electrically connected with the fifth driving motor and the sixth driving motor, used for controlling the start, stop and rotation angle of a fifth driving motor and a sixth driving motor, the fifth driving motor can drive the rotating pipe 31 and the movable rod 32 to rotate for a certain angle through the meshing between the first transmission gear 33 and the third driving gear 34, meanwhile, the sixth driving motor drives the movable rod 32 to perform a lifting motion through the engagement between the second driving gear 324 and the first rack plate 131, thereby realizing the function of automatically adjusting the rotating angle and the lifting height of the grabbing component 37, the human-computer interaction interface 6 is also electrically connected with the vacuum pump 372 and is used for controlling the starting and stopping of the vacuum pump 372, thereby controlling the functions of sucking and loosening the disc by the vacuum suction nozzle 376, realizing the function of automatically grabbing the disc and having the characteristic of high automation degree.
A laser welding method for a motor core, comprising the steps of:
and 3, starting the laser welding mechanism 2 through the human-computer interaction interface 6, wherein the laser welding mechanism 2 can weld the stacked discs along the axial direction of the discs.
Although several embodiments and examples of the present invention have been described for those skilled in the art, these embodiments and examples are presented as examples and are not intended to limit the scope of the invention. These new embodiments can be implemented in other various ways, and various omissions, substitutions, and changes can be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalent scope thereof.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A laser welding device for a motor core comprises a bearing mechanism (1), a laser welding mechanism (2), a disc grabbing mechanism (3), a human-computer interaction interface (6) and a disc supporting assembly (7), wherein the laser welding mechanism (2), the disc grabbing mechanism (3) and the human-computer interaction interface (6) are all installed on the bearing mechanism (1), the laser welding mechanism (2) and the disc grabbing mechanism (3) are both electrically connected with the human-computer interaction interface (6), the laser welding device is characterized by further comprising a clamping mechanism (4), a gas conveying mechanism (5), a third driving assembly (8) and a rotating ring (9), the third driving assembly (8) is connected with the rotating ring (9), a shell (12) is arranged in the bearing mechanism (1), and the clamping mechanism (4), the gas conveying mechanism (5), the third driving assembly (8) and the rotating ring (9) are all installed on the shell (12), fixture (4) include first drive assembly (41), linkage subassembly (42) and telescopic component (43), telescopic component (43) is connected through linkage subassembly (42) in first drive assembly (41), the video disc has been placed on video disc supporting component (7), telescopic component (43) and video disc lateral wall contact are connected, the last one side of keeping away from third drive assembly (8) of swivel becket (9) still is connected with telescopic component (43), the tip and the gas conveying mechanism (5) of telescopic component (43) are connected.
2. The laser welding equipment for the motor core according to claim 1, wherein the third driving assembly (8) comprises a fifth driving gear (81) and a third driving motor (82), the fifth driving gear (81) is connected with the third driving motor (82) through a motor shaft, the third driving motor (82) is installed on the outer wall of the shell (12), an avoiding hole is formed in the shell (12), the fifth driving gear (81) is located in the avoiding hole, an annular fixing plate (123) is installed on the inner wall of the shell (12), a circular guide rail is formed in the surface of the annular fixing plate (123), an annular guide bar (93) is installed on one side of the rotating ring (9) close to the annular fixing plate (123), the annular guide bar (93) is rotatably connected in the circular guide rail, and a plurality of first gear teeth (91) are respectively and uniformly installed on one side of the rotating ring (9) close to the telescopic assembly (43) and the fifth driving gear (81) ) And second teeth of a cogwheel (92), first teeth of a cogwheel (91) are connected with telescopic component (43), second teeth of a cogwheel (92) are connected with fifth drive gear (81) meshing, telescopic component (43) include internal thread pipe (431), second drive gear (4311) and external screw thread pipe (432), the one end threaded connection of external screw thread pipe (432) is in internal thread pipe (431), install second drive gear (4311) on internal thread pipe (431), second drive gear (4311) are connected with first teeth of a cogwheel (91) meshing.
3. The laser welding equipment for the motor iron core according to claim 2, wherein an air inlet hole (4312) is formed in one end of the internal thread tube (431) far away from the external thread tube (432), the air inlet hole (4312) is communicated with the air conveying mechanism (5), the air conveying mechanism (5) comprises an insertion tube (51), a sealing pad (52), a fixed air guide branch tube (53), a telescopic air guide branch tube (54), an air guide header tube (55), an air pump (56) and an air inlet tube (57), the air inlet end of the air pump (56) is connected with an air inlet tube (57), the air outlet end of the air pump (56) is connected with the air guide header tube (55), the air guide header tube (55) is connected with the fixed air guide branch tube (53) through the telescopic air guide branch tube (54), and the insertion tube (51) is connected to one end of the fixed air guide branch tube (53) far away from the telescopic air guide branch tube (54), the plug pipe (51) is connected with the air inlet hole (4312) in a plug mode, a sealing gasket (52) which is connected with the end face of the internal thread pipe (431) in a fitting mode is fixedly sleeved on the plug pipe (51), an opening is designed in one end, located on the internal thread pipe (431), of the external thread pipe (432), and a plurality of air exhaust holes (4321) are uniformly formed in one side, close to the disc, of the external thread pipe (432).
4. The laser welding apparatus for the motor core according to claim 3, wherein the first driving assembly (41) comprises a first driving motor (411) and a lead screw (412), the first driving motor (411) is connected with the lead screw (412) through a motor shaft, the first driving motor (411) is installed in the housing (12), the linkage assembly (42) comprises a nut block (421), a connecting rod (422) and a fixing ring (423), the nut block (421) is movably sleeved on the lead screw (412), two ends of the connecting rod (422) are respectively hinged with the nut block (421) and the fixing ring (423), and the internal thread pipe (431) is installed in the fixing ring (423).
5. The laser welding apparatus for motor cores according to claim 3, the number of the internal thread tubes (431), the number of the external thread tubes (432), the number of the fixing rings (423), the number of the fixed air guide branch tubes (53) and the number of the telescopic air guide branch tubes (54) are respectively a plurality, the plurality of internal thread tubes (431), the number of the external thread tubes (432) and the number of the fixing rings (423) are centrosymmetric with respect to the disc support component (7) and the first driving component (41), the plurality of the fixed air guide branch tubes (53) and the number of the telescopic air guide branch tubes (54) are centrosymmetric with respect to the air guide main pipe (55), the surfaces of the shell (12) close to the external thread pipe (432) and the fixed air guide branch pipe (53) are both provided with a second chute (122), the two ends of the internal thread pipe (431) are connected on the inner wall of the shell (12) in a sliding way, the external thread pipe (432) and the fixed air guide branch pipe (53) are connected in the second sliding groove (122) in a sliding mode.
6. The laser welding apparatus for motor cores according to claim 5, a second flexible hose (44) is sleeved on the outer side of the outer threaded pipe (432), a plurality of air holes (441) are uniformly formed in the surface of the second flexible hose (44), a limiting rod (4322) is arranged at one end of the external threaded pipe (432) far away from the internal threaded pipe (431), one end of the second flexible hose (44) is provided with an inserting hole (442), the second flexible hose (44) is sleeved on the limiting rod (4322) through the inserting hole (442), the shell (12) is also provided with a first sliding chute (121), a second sliding chute (122) on one side of the shell (12) close to the external thread pipe (432) is positioned in the first sliding chute (121), one end of the second telescopic hose (44) far away from the inserting hole (442) is connected in the first sliding groove (121) in a sliding mode.
7. The laser welding apparatus for the motor core according to claim 1, wherein the disc support assembly (7) comprises a support plate (71), a third transmission gear (72), a fourth drive gear (73), a second drive motor (74) and a rotating rod (75), the support plate (71) is connected with the housing (12) through the rotating rod (75), the third transmission gear (72) is installed on the rotating rod (75), the second drive motor (74) is installed on the housing (12), the second drive motor (74) is connected with the fourth drive gear (73) through a motor shaft, and the third transmission gear (72) is meshed with the fourth drive gear (73).
8. The laser welding apparatus for motor cores according to claim 1, wherein the carrying mechanism (1) further comprises a base (11), a first fixing frame (13) and a second fixing frame (14), the housing (12) is mounted on the base (11), the first fixing frame (13) and the second fixing frame (14) are located on two sides of the housing (12), and the first fixing frame (13) and the second fixing frame (14) are both connected with the housing (12) and the base (11), the laser welding mechanism (2) is mounted on the second fixing frame (14), the laser welding mechanism (2) comprises a transverse guide rail (21), a longitudinal guide rail (22), a laser welding instrument (23), a mounting block (24), a first driving gear (25) and a second rack plate (26), the laser welding instrument (23) is mounted on the mounting block (24), install fourth driving motor on installation piece (24), first drive gear (25) are connected fourth driving motor through the motor shaft, installation piece (24) sliding connection is in longitudinal rail (22), second rack board (26) are installed to longitudinal rail (22) inner wall, first drive gear (25) are connected with second rack board (26) meshing, install on second mount (14) transverse guide (21), longitudinal rail (22) sliding connection is in transverse guide (21).
9. The laser welding device for the motor core according to claim 8, wherein a disc grabbing mechanism (3) is installed on the first fixing frame (13), the disc grabbing mechanism (3) comprises a rotating tube (31), a movable rod (32), a first transmission gear (33), a third driving gear (34), a cross rod (35), a hanging rod (36) and a grabbing assembly (37), the grabbing assembly (37) is connected with the cross rod (35) through the hanging rod (36), the cross rod (35) is connected onto the movable rod (32), a limiting rib (321) is arranged on the movable rod (32) along the axis direction of the movable rod, the movable rod (32) is connected into the rotating tube (31) through the limiting rib (321) in a sliding manner, the rotating tube (31) is installed on the first fixing frame (13), the first transmission gear (33) is installed on the rotating tube (31), the vacuum suction device is characterized in that a fifth driving motor is further installed on the first fixing frame (13), the third driving gear (34) is connected with the fifth driving motor through a motor shaft, the first transmission gear (33) is meshed with the third driving gear (34) and connected with the movable rod (32), one end, far away from the cross rod (35), of the movable rod (32) is installed in a bearing (322) pre-installed on the fixing block (323), a sixth driving motor is further installed on the fixing block (323), the sixth driving motor is connected with a second driving gear (324) through a motor shaft, a first rack plate (131) is installed on the first fixing frame (13), the second driving gear (324) is meshed with the first rack plate (131) and connected with the grabbing assembly (37) which comprises a fixing frame (371), a vacuum pump (372), a telescopic rod (373), a first telescopic hose (374), a vacuum suction nozzle installation shell (375) and a vacuum suction nozzle (376), fixed frame (371) are connected with jib (36), install in fixed frame (371) vacuum pump (372), vacuum pump (372) are connected vacuum nozzle installation casing (375) through first bellows (374), vacuum nozzle installation casing (375) surface evenly is connected with a plurality of vacuum nozzle (376), still be connected with telescopic link (373) between vacuum nozzle installation casing (375) and fixed frame (371).
10. Laser welding method for an electric machine core, comprising a laser welding apparatus for an electric machine core according to any of claims 1-9, characterized by the steps of:
step 1, firstly, a disc is grabbed by a disc grabbing mechanism (3) and moved to the position right above a clamping mechanism (4), through a preset program in a human-computer interaction interface (6), at the moment, a first driving component (41) in the clamping mechanism (4) drives a telescopic component (43) to move towards the direction far away from a disc supporting component (7) through a linkage component (42), so that a sufficient space is reserved for the process that the disc grabbing mechanism (3) places the disc on the disc supporting component (7), after the disc grabbing mechanism (3) leaves the clamping mechanism (4), the first driving component (41) in the clamping mechanism (4) drives the telescopic component (43) to move towards the direction close to the disc supporting component (7) through the linkage component (42), so that the disc is clamped and fixed through the telescopic component (43), and the process is circulated in a reciprocating way, until a certain number of discs are all placed on the disc support assembly (7), when the number of stacked discs changes, the man-machine interaction interface (6) enables the third drive assembly (8) to drive the telescopic assembly (43) to move through the rotating ring (9) by opening the third drive assembly (8) so as to adjust the height of the telescopic assembly (43);
step 2, opening the gas conveying mechanism (5) through the human-computer interaction interface (6), conveying gas generated by the gas conveying mechanism (5) into the clamping mechanism (4), and finally discharging the gas through the telescopic assembly (43), wherein the discharged gas can clean dust adhered to the surface of the disc;
and 3, starting the laser welding mechanism (2) through the human-computer interaction interface (6), wherein the laser welding mechanism (2) can weld the stacked discs along the axial direction of the discs.
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| CN202210384348.XA CN114453744B (en) | 2022-04-13 | 2022-04-13 | Laser welding equipment and welding method for motor iron core |
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| CN202210384348.XA CN114453744B (en) | 2022-04-13 | 2022-04-13 | Laser welding equipment and welding method for motor iron core |
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Effective date of registration: 20240421 Address after: 317108 Coastal Industrial City, Puba Port Town, Sanmen County, Taizhou City, Zhejiang Province Patentee after: Taizhou City Tongshun Plastic Stock Co.,Ltd. Country or region after: China Address before: 213000 No. 185, moujia village committee, Zhenglu Town, Tianning District, Changzhou City, Jiangsu Province Patentee before: Changzhou Aolong new energy motor Co.,Ltd. Country or region before: China |