New energy automobile stator and rotor laser welding device

Abstract

The application relates to the field of laser welding of stators and rotors, in particular to a new energy automobile stator and rotor laser welding device. The device comprises a conveying frame, a bearing plate and a stop block. The upper end of the conveying frame is provided with a limiting groove. The bearing plate is slidably embedded in the limiting groove. The sliding direction of the bearing plate is parallel to the length direction of the limiting groove. The outer wall of the bearing plate abuts against the groove wall of the limiting groove. The bearing plate is used for fixing a workpiece. The groove bottom of the limiting groove is provided with a containing groove. The stop block slides up and down in the containing groove. The stop block is used for abutting against the bearing plate to block the movement of the bearing plate. The bearing plate fixes the workpiece. The limiting groove limits the sliding of the bearing plate, reduces the probability of position deviation of the bearing plate, the stop block limits the position of the limiting groove, the bearing plate moves to a specified welding position, and the welding precision is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the field of stator-rotor laser welding, in particular to a new energy automobile stator-rotor laser welding device. BACKGROUND

[0002] The new energy automobile refers to an automobile adopting unconventional vehicle fuel as a power source or using conventional vehicle fuel and adopting a new type of vehicle-mounted power device, and comprehensively adopting advanced technologies of vehicle power control and driving to form an automobile with advanced technical principles and new technologies and new structures. The new energy automobile includes a pure electric automobile, a range-extender electric automobile, a hybrid electric automobile and a fuel cell electric automobile.

[0003] Among them, the electric automobile needs to use a motor to provide power, and the motor needs to use a stator-rotor. The motor stator is a fixed part in the motor and is made of silicon steel sheets and embedded with coil windings. The windings generate a rotating magnetic field to drive the rotor to rotate. The stator-rotor needs to be punched and then welded to improve the overall structural strength of the stator-rotor.

[0004] Manual welding consumes manpower. In order to reduce the labor intensity of workers, a mechanical welding device appears. Generally, the stator-rotor needs to be transported to a specified position, and then a welding head is mechanically moved to weld the stator-rotor. The position of the stator-rotor will affect the welding precision. SUMMARY

[0005] In order to improve the welding precision, the application provides a new energy automobile stator-rotor laser welding device.

[0006] The new energy automobile stator-rotor laser welding device provided by the application adopts the following technical scheme:

[0007] A new energy automobile stator-rotor laser welding device, comprising a conveying frame, a bearing plate and a stop block, the upper end of the conveying frame is provided with a limiting groove, the bearing plate is slidingly embedded in the limiting groove, the outer wall of the bearing plate abuts against the groove wall of the limiting groove, the bearing plate is used for fixing a workpiece, the groove bottom of the limiting groove is provided with a containing groove, the stop block slides up and down in the containing groove, and the stop block is used for abutting against the bearing plate to block the movement of the bearing plate.

[0008] By adopting the above technical scheme, the bearing plate fixes the workpiece, the limiting groove limits the sliding of the bearing plate, the probability of position deviation of the bearing plate is reduced, the stop block limits the position of the limiting groove, the bearing plate moves to a specified welding position, and the welding precision is improved.

[0009] Preferably, the new energy automobile stator and rotor laser welding device further comprises a limiting assembly, the limiting assembly comprises a limiting plate, one groove wall of the limiting groove is provided with two positioning openings, the two positioning openings are arranged at intervals along the length direction of the limiting groove, the limiting plate is provided with a plurality of limiting plates, the limiting plate is arranged one by one with the positioning opening, the limiting plate is slidingly connected to the inner wall of the positioning opening, the sliding direction of the limiting plate is perpendicular to the length direction of the limiting groove, the bearing plate is arranged between the two limiting plates, and the two ends of the bearing plate abut against the limiting plates.

[0010] By adopting the above technical scheme, the limiting plate limits the position of the bearing plate, reduces the probability of uneven height of the bearing plate, and improves the welding precision.

[0011] Preferably, the limiting assembly further comprises a sliding block, a support, a gear, a sliding rack, a connecting block and a limiting rack, the groove wall of the limiting groove is provided with a sliding opening, the sliding opening and the positioning opening both penetrate the conveying frame along the width direction of the limiting groove, the sliding block is slidingly connected to the inner wall of the sliding opening, the lower end of the sliding block is provided with a guide surface, the upper end of the bearing plate is used for abutting against the guide surface, the bearing plate slides upward to push the sliding block to slide away from one end of the limiting groove, the support is fixedly connected to the outer wall of the conveying frame, the gear is rotatably arranged on the support about its own axis, the sliding rack is fixedly connected to one end of the sliding block facing the gear, the connecting block is fixedly connected to the limiting plate and the limiting rack, and the limiting rack and the sliding rack are respectively engaged with both ends of the gear.

[0012] By adopting the above technical scheme, the bearing plate slides upward to push the sliding block to move away from the limiting groove, the sliding of the sliding block drives the sliding of the sliding rack, the gear rotates, the limiting rack drives the limiting plate to move close to the limiting groove through the connecting block, the limiting of the bearing plate is realized, and the welding precision is improved.

[0013] Preferably, the new energy automobile stator and rotor laser welding device further comprises a fixing plate, a driving cylinder and a lifting plate, the fixing plate is fixedly connected to the groove wall of the accommodating groove, the cylinder body of the driving cylinder is fixedly connected to the upper end of the fixing plate, the piston rod of the driving cylinder is fixedly connected to the lifting plate, the driving cylinder controls the lifting plate to move up and down in the accommodating groove, and the lifting plate is used for supporting the bearing plate.

[0014] By adopting the above technical scheme, the driving cylinder stably drives the lifting plate to slide up and down, so as to stably control the lifting of the bearing plate, the bearing plate slides while being limited by the limiting assembly, and the welding precision is improved.

[0015] Preferably, the new energy automobile stator and rotor laser welding device further comprises a seat body and a laser welding head, the laser welding head is slidingly connected to the seat body, the sliding direction of the laser welding head is vertical, and the laser welding head is used for welding workpieces.

[0016] By adopting the technical scheme, the carrying plate transports the workpiece to the correct position, and then the laser welding head slides up and down to weld the workpiece, the laser welding head runs stably, and the welding efficiency and welding quality are improved.

[0017] Preferably, the new energy automobile stator and rotor laser welding device further comprises a reciprocating screw rod and a driving motor, one end of the seat body towards the workpiece is provided with a guide groove, the outer wall of the laser welding head is connected with a guide block, the guide block is slidingly embedded in the guide groove, the outer wall of the seat body towards the workpiece is connected with a connecting plate, the reciprocating screw rod is rotationally connected to the connecting plate around its own axis, the rotation axis of the reciprocating screw rod is vertical, the laser welding head is provided with a connecting port, the reciprocating screw rod is threadedly connected to the inner wall of the connecting port, and the driving motor drives the reciprocating screw rod to rotate through a transmission assembly.

[0018] By adopting the technical scheme, the driving motor drives the reciprocating screw rod to rotate through the transmission assembly, so that the laser welding head slides up and down, the guide groove guides the sliding of the guide block, the laser welding head slides up and down stably and is not easy to deviate, and the welding precision is improved.

[0019] Preferably, the new energy automobile stator and rotor laser welding device further comprises a fixed frame, a switch and a driving rod, the fixed frame is fixedly connected to the outer wall of the conveying frame, the switch is fixedly connected to the fixed frame, one end of the driving rod is fixedly connected to one end of the sliding block away from the limiting groove, the other end of the driving rod is used for abutting against the switch, and the switch is electrically connected to the driving motor and the laser welding head.

[0020] By adopting the technical scheme, when the carrying plate slides upward, the sliding block moves away from the limiting groove, the driving rod moves synchronously to abut against the switch, the driving motor and the laser welding head are started, the workpiece is welded, and the welding precision is improved.

[0021] Preferably, the new energy automobile stator and rotor laser welding device further comprises a mounting seat and a pressing block, the mounting seat is fixedly connected to the upper end of the fixed plate, the stop block is slidingly connected to the mounting seat, the sliding direction of the stop block is vertical, the stop block is provided with a mounting groove, the length direction of the mounting groove is parallel to the length direction of the limiting groove, the pressing block is slidingly connected to the groove wall of the mounting groove, the sliding direction of the pressing block is parallel to the length direction of the mounting groove, the upper surface of the pressing block is flush with the upper surface of the stop block, one end of the pressing block towards the carrying plate is used for abutting against the carrying plate, and the upper end of the pressing block is used for abutting against the lower end of the lifting plate.

[0022] By adopting the technical scheme, when the bearing plate slides to abut against the stopper, the pressing block is arranged in the mounting groove, the lifting plate drives the bearing plate to slide upward to a height greater than the height of the pressing block, the pressing block slides out to the lower side of the lifting plate, after the workpiece is welded, the lifting plate drives the bearing plate to slide downward to press the pressing block downward, reducing the blocking of the stopper to the sliding of the bearing plate, when the bearing plate leaves the stopper, the pressing block slides back to the original position, and the stopper slides back to the original position upward, facilitating repeated use.

[0023] Preferably, the new energy automobile stator and rotor laser welding device further comprises an abutting block, the stopper is provided with a reset groove, the length direction of the reset groove is vertical, the abutting block is slidingly embedded in the reset groove, the sliding direction of the abutting block is vertical, the upper end of the abutting block is provided with a first abutting surface, the first abutting surface is used for abutting against the bearing table, the lower end of the abutting block is provided with a second abutting surface, the end of the pressing block away from the lifting table is connected with a reset block, the end of the reset block towards the abutting block is provided with a third abutting surface, and the first abutting surface is used for abutting against the third abutting surface.

[0024] By adopting the technical scheme, in the sliding process of the bearing table, the first abutting surface is abutted against, so that the abutting block slides downward, the second abutting surface abuts against the third abutting surface, so that the pressing block slides away from the lifting table, and the stopper slides upward to complete reset.

[0025] Preferably, the new energy automobile stator and rotor laser welding device further comprises a first spring, the upper end of the mounting seat is provided with a placing groove, the stopper is slidingly embedded in the placing groove, one end of the first spring is fixedly connected to the groove bottom of the placing groove, and the other end of the first spring is fixedly connected to the stopper.

[0026] By adopting the technical scheme, the first spring facilitates the stopper to complete reset, without the need of using an additional power source, and energy consumption is reduced.

[0027] In summary, the present application has at least one of the following beneficial technical effects:

[0028] 1. The bearing plate fixes the workpiece, the limiting groove limits the sliding of the bearing plate, the probability of position deviation of the bearing plate is reduced, the stopper limits the position of the limiting groove, the bearing plate moves to a specified welding position, and the welding precision is improved.

[0029] 2. The bearing plate slides upward, the sliding block is driven to move away from the limiting groove, the sliding block drives the sliding rack to slide, the gear rotates, the limiting rack drives the limiting plate to move towards the limiting groove through the connecting block, the limiting of the bearing plate is realized, and the welding precision is improved.

[0030] 3. When the bearing plate slides upward, the sliding block moves away from the limiting groove, and the driving rod moves synchronously to abut against the switch, so that the driving motor and the laser welding head are started to weld the workpiece, thereby improving the welding precision. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 is a schematic diagram of the overall structure of the new energy automobile stator and rotor laser welding device.

[0032] Figure 2 is a schematic diagram of the overall structure of the conveying assembly, the welding assembly and the transmission assembly.

[0033] Figure 3 is a schematic diagram of the overall structure of the fixing assembly, the blocking assembly, the limiting assembly and the welding assembly.

[0034] Figure 4 is an exploded view of the blocking assembly.

[0035] BRIEF DESCRIPTION OF DRAWINGS: 1, conveying frame; 11, limiting groove; 12, containing groove; 13, driving groove; 14, positioning port; 15, sliding port; 16, through port; 2, conveying assembly; 21, servo motor; 22, driving shaft; 23, chain wheel; 24, chain; 3, fixing assembly; 31, bearing plate; 32, positioning block; 33, positioning column; 4, blocking assembly; 41, fixed plate; 42, mounting seat; 421, placing groove; 43, blocking block; 431, mounting groove; 432, reset groove; 44, first spring; 451, driving cylinder; 452, lifting plate; 46, pressing block; 461, reset block; 462, third abutting surface; 47, second spring; 48, abutting block; 481, first abutting surface; 482, second abutting surface; 49, third spring; 5, limiting assembly; 51, limiting plate; 52, sliding block; 521, guide surface; 531, fixed frame; 532, fourth spring; 54, support; 55, gear; 56, sliding rack; 57, connecting block; 58, limiting rack; 59, mounting block; 591, positioning groove; 6, welding assembly; 61, seat body; 611, guide groove; 612, connecting plate; 62, laser welding head; 621, guide block; 622, connecting port; 63, driving motor; 64, switch; 65, driving rod; 66, reciprocating screw rod; 7, transmission assembly; 71, synchronous wheel; 72, synchronous belt. DETAILED DESCRIPTION

[0036] The following will be described in detail in combination with the drawings Figures 1-4 The application is further described in detail.

[0037] The embodiment of the application discloses a new energy automobile stator and rotor laser welding device. Figure 1The new energy automobile stator-rotor laser welding device comprises a conveying frame 1, a conveying assembly 2, a fixing assembly 3, a blocking assembly 4, a limiting assembly 5, a welding assembly 6 and a transmission assembly 7.

[0038] The upper end of the conveying frame 1 is provided with a limiting groove 11 penetrating through the conveying frame 1 along the length direction of the conveying frame 1, the groove bottom of the limiting groove 11 is provided with an accommodating groove 12 penetrating through the conveying frame 1 along the length direction of the conveying frame 1, the groove bottom of the limiting groove 11 is provided with a driving groove 13 penetrating through the conveying frame 1 along the length direction of the conveying frame 1, and the driving groove 13 is provided with two driving grooves 13 respectively arranged on the two sides of the accommodating groove 12.

[0039] Referring to Figure 1 and Figure 2 , the conveying assembly 2 comprises a servo motor 21, a driving shaft 22, a chain wheel 23 and a chain 24, the motor shell of the servo motor 21 is fixedly connected to the outer wall of the conveying frame 1, the motor shaft of the servo motor 21 is coaxially fixedly connected to the driving shaft 22, the driving shaft 22 is rotationally connected to the conveying frame 1 around the axis line thereof, the rotation axis line of the driving shaft 22 is parallel to the width direction of the conveying frame 1, the driving shaft 22 penetrates through the driving groove 13, the chain wheel 23 is arranged in the driving groove 13, two chain wheels 23 are arranged in one driving groove 13, the two chain wheels 23 are arranged at the two ends of the driving groove 13, one chain wheel 23 is coaxially fixedly connected to the outer wall of the driving shaft 22, and the other chain wheel 23 is rotationally connected to the groove wall of the driving groove 13 around the axis line thereof, the chain 24 is sleeved on the outer periphery of the two chain wheels 23, and the height of the upper end of the chain 24 is greater than the height of the groove bottom of the limiting groove 11.

[0040] Referring to Figure 1 and Figure 3 , the fixing assembly 3 comprises a bearing plate 31, a positioning block 32 and a positioning column 33, the bearing plate 31 is slidingly embedded in the limiting groove 11, the lower end of the bearing plate 31 abuts against the upper end of the chain wheel 23, and the outer wall of the bearing plate 31 abuts against the groove wall of the limiting groove 11; the positioning block 32 is fixedly connected to the upper end of the bearing plate 31 and is used for sleeving the stator-rotor; and the positioning column 33 is fixedly connected to the upper end of the bearing plate 31 and is provided with three positioning columns 33 which are uniformly and spacedly arranged around the axis line of the positioning block 32 and are used for penetrating through the port on the stator-rotor to fix the stator-rotor.

[0041] Referring to Figure 1 and Figure 4The blocking assembly 4 comprises a fixed plate 41, a mounting seat 42, a block 43, a first spring 44, a driving cylinder 451, a lifting plate 452, a pressing block 46, a second spring 47, an abutting block 48 and a third spring 49. The fixed plate 41 is fixedly connected to the groove wall of the accommodating groove 12, the mounting seat 42 is fixedly connected to the upper end of the fixed plate 41, the upper end of the mounting seat 42 is provided with a placing groove 421, the block 43 is slidingly embedded in the placing groove 421, the sliding direction of the block 43 is vertical, one end of the first spring 44 is fixedly connected to the groove bottom of the placing groove 421, and the other end of the first spring 44 is fixedly connected to the block 43.

[0042] The cylinder body of the driving cylinder 451 is fixedly connected to the upper end of the fixed plate 41, the piston rod of the driving cylinder 451 is fixedly connected to the lifting plate 452, the driving cylinder 451 is used for controlling the lifting plate 452 to slide up and down, the lifting plate 452 is arranged on one side of the block 43 close to the inlet of the conveying frame 1, and in the state that the first spring 44 is not subjected to external force, one end of the block 43 close to the lifting plate 452 abuts against the outer wall of the lifting plate 452.

[0043] The outer wall of the block 43 is provided with a mounting groove 431, the length direction of the mounting groove 431 is parallel to the length direction of the limiting groove 11, the mounting groove 431 extends to one end of the lifting plate 452, the pressing block 46 is slidingly embedded in the mounting groove 431, the sliding direction of the pressing block 46 is parallel to the length direction of the mounting groove 431, the mounting groove 431 is a trapezoidal groove, the pressing block 46 is a trapezoidal block, one end of the second spring 47 is fixedly connected to the groove wall of the mounting groove 431 close to the lifting plate 452, the other end of the second spring 47 is fixedly connected to the pressing block 46, the upper end face of the pressing block 46 is flush with the upper end face of the block 43, one end of the pressing block 46 close to the bearing plate 31 is used for abutting against the bearing plate 31, and the upper end of the pressing block 46 is used for abutting against the lower end of the lifting plate 452.

[0044] The outer wall of the block 43 is provided with a reset groove 432, the reset groove 432 and the mounting groove 431 are arranged on the same outer wall of the block 43, the length direction of the reset groove 432 is vertical, the reset groove 432 extends upward, the abutting block 48 is slidingly embedded in the reset groove 432, the sliding direction of the abutting block 48 is vertical, the reset groove 432 is a trapezoidal groove, the abutting block 48 is a trapezoidal block, one end of the third spring 49 is fixedly connected to the upward groove wall of the reset groove 432, and the other end of the third spring 49 is fixedly connected to the abutting block 48. One end of the abutting block 48 close to the lifting plate 452 is provided with a first abutting face 481, one end of the abutting block 48 away from the lifting plate 452 is provided with a second abutting face 482, the pressing block 46 away from the lifting plate 452 is connected with a reset block 461, one end of the reset block 461 away from the lifting plate 452 is arranged on one side of the abutting block 48 away from the lifting plate 452, one end of the reset block 461 close to the abutting block 48 is provided with a third abutting face 462, and the second abutting face 482 is used for abutting against the third abutting face 462.

[0045] When the first spring 44 is not subjected to external force, the pressing block 46 is used to abut against the lifting plate 452 and the bearing plate 31, when the lifting plate 452 slides upward, the second spring 47 makes the pressing block 46 pop out below the lifting plate 452, when the lifting plate 452 slides downward, the pressing block 46 makes the stop block 43 slide downward synchronously, the bearing plate 31 slides to the outlet of the conveying frame 1, the abutment block 48 slides downward, the second abutment surface 482 abuts against the third abutment surface 462, the reset block 461 moves away from the side of the lifting plate 452, so that the pressing block 46 moves synchronously, the first spring 44 resets the stop block 43, facilitating secondary utilization.

[0046] With reference to Figure 3 , the limiting assembly 5 comprises a limiting plate 51, a sliding block 52, a fixed frame 531, a fourth spring 532, a support 54, a gear 55, a sliding rack 56, a connecting block 57, a limiting rack 58 and a mounting block 59.

[0047] With reference to Figure 1 and Figure 3 , one groove wall of the limiting groove 11 is provided with two positioning ports 14, the limiting plate 51 is provided with a plurality of limiting plates 51, the limiting plate 51 is provided in one-to-one correspondence with the positioning port 14, the limiting plate 51 is slidingly connected to the inner wall of the positioning port 14, and the sliding direction of the limiting plate 51 is parallel to the width direction of the conveying frame 1; when the sliding of the bearing plate 31 is blocked by the stop block 43, the two positioning ports 14 are arranged on both sides of the bearing plate 31, and the two ends of the bearing plate 31 abut against the limiting plate 51.

[0048] The groove wall of the limiting groove 11 is provided with a sliding port 15, the sliding port 15 and the positioning port 14 both penetrate through the conveying frame 1 along the width direction of the limiting groove 11, the sliding port 15 is arranged between the two positioning ports 14, the sliding block 52 is slidingly connected to the inner wall of the sliding port 15, the sliding direction of the sliding block 52 is parallel to the width direction of the conveying frame 1, one end of the sliding block 52 towards the groove bottom of the limiting groove 11 is provided with a guide surface 521, and the upper end of the bearing plate 31 is used to abut against the guide surface 521, so that the sliding block 52 moves away from the limiting groove 11.

[0049] With reference to Figure 1 and Figure 3 , the fixed frame 531 is fixedly connected to the outer wall of the conveying frame 1, one end of the fourth spring 532 is fixedly connected to the fixed frame 531, and the other end of the fourth spring 532 is fixedly connected to the sliding block 52.

[0050] The support 54 is fixedly connected to the outer wall of the conveying frame 1, and two supports 54 are arranged on the two sides of the sliding opening 15. The support 54 is arranged between the sliding opening 15 and the positioning opening 14. The gear 55 is rotationally connected to the support 54 around the axis thereof, and the rotation axis of the gear 55 is vertical. The sliding rack 56 is fixedly connected to one end of the sliding block 52 away from the limiting groove 11. Two sliding racks 56 are arranged, and the sliding racks 56 are arranged in one-to-one correspondence with the gears 55. The sliding rack 56 is engaged with the gear 55.

[0051] One end of the connecting block 57 is fixedly connected to one end of the limiting plate 51 away from the limiting groove 11. The other end of the connecting block 57 is fixedly connected to the limiting rack 58. The mounting block 59 is fixedly connected to the outer wall of the conveying frame 1 and is arranged between the gear 55 and the positioning opening 14. One end of the mounting block 59 away from the support 54 is provided with a positioning groove 591. The limiting rack 58 is slidingly connected to the positioning groove 591, and the limiting rack 58 is engaged with one end of the gear 55 away from the sliding block 52.

[0052] Referring to Figure 2 and Figure 3 , the welding assembly 6 comprises a seat body 61, a laser welding head 62, a driving motor 63, a switch 64, a driving rod 65 and a reciprocating screw rod 66.

[0053] Referring to Figure 1 and Figure 2 , the seat body 61 is fixedly connected to the ground, and three seat bodies 61 are arranged. Two seat bodies 61 are arranged on one side of the conveying frame 1, and one seat body 61 is arranged on the other side of the conveying frame 1. One end of the seat body 61 away from the limiting groove 11 is provided with a guide groove 611. The outer wall of the laser welding head 62 is connected with a guide block 621, and the guide block 621 is slidingly embedded in the guide groove 611. The outer wall of the seat body 61 away from the limiting groove 11 is connected with a connecting plate 612. Two connecting plates 612 are arranged at the two ends of the seat body 61. The reciprocating screw rod 66 is rotationally connected to the two connecting plates 612 around the axis thereof, and the rotation axis of the reciprocating screw rod 66 is vertical. The laser welding head 62 is provided with a connecting opening 622, and the reciprocating screw rod 66 is threadedly connected to the inner wall of the connecting opening 622. Three laser welding heads 62 correspond to three weld seams on the stator respectively.

[0054] Referring to Figure 1 and Figure 2The transmission assembly 7 comprises a synchronous wheel 71 and a synchronous belt 72, the outer wall of the conveying frame 1 is provided with a through opening 16 which is communicated with the accommodating groove 12, the driving motor 63 is arranged below the fixed plate 41, the motor shell of the driving motor 63 is fixedly connected to the groove bottom of the accommodating groove 12, the motor shaft of the driving motor 63 is coaxially fixedly connected to the synchronous wheel 71, the reciprocating lead screw 66 is coaxially fixedly connected to the other synchronous wheel 71, the synchronous belt 72 is arranged around the outer periphery of the two synchronous wheels 71, and the driving motor 63 drives the three reciprocating lead screws 66 to synchronously rotate through the three sets of transmission assemblies 7.

[0055] With reference to Figure 2 and Figure 3 The switch 64 is fixedly connected to the fixed frame 531, one switch 64 is electrically connected to the driving motor 63, and the other switch 64 is electrically connected to the laser welding head 62, one end of the driving rod 65 is fixedly connected to the end of the sliding block 52 away from the bearing plate 31, the other end of the driving rod 65 is used for abutting against the switch 64, and the fourth spring 532 is sleeved on the outer periphery of the driving rod 65.

[0056] The implementation principle of the new energy automobile stator-rotor laser welding device is as follows: the servo motor 21 drives the driving shaft 22 to rotate and drive the chain wheel 23 to synchronously rotate, the chain 24 on the bearing plate 31 is conveyed, the positioning block 32 and the positioning column 33 on the bearing plate 31 fix the stator-rotor, when the bearing plate 31 is transported to be blocked by the blocking block 43, the bearing plate 31 cannot move forward any more, the driving cylinder 451 drives the bearing plate 31 to synchronously slide upward through the lifting plate 452, the pressing block 46 is popped out below the lifting plate 452 by the second spring 47, the bearing plate 31 slides upward to abut against the first guide surface 521, so that the sliding block 52 moves away from the limiting groove 11, the cooperation of the sliding rack 56, the gear 55 and the limiting rack 58 drives the limiting plate 51 to move to the direction of the limiting groove 11, the bearing plate 31 is limited, the driving rod 65 abuts against the switch 64, the driving motor 63 drives the laser welding head 62 to slide up and down along the axis of the reciprocating lead screw 66, the laser welding head 62 starts to weld the stator-rotor, after the welding is completed, the driving cylinder 451 drives the lifting plate 452 to move downward, the fourth spring 532 resets the sliding block 52, the pressing block 46 slides downward with the lifting plate 452, the bearing plate 31 slides to the outlet end of the conveying frame 1, the bearing plate 31 abuts against the first abutting surface 481, so that the abutting block 48 slides downward, the second abutting surface 482 abuts against the third abutting surface 462, the pressing block 46 moves away from the lifting plate 452 through the reset block 461, the first spring 44 resets the blocking block 43, and the bearing plate 31 is convenient for secondary use.

[0057] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, so: any equivalent changes made on the basis of the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A laser welding device for stators and rotors of new energy vehicles, characterized in that: The utility model provides a conveying frame (1), bearing plate (31) and stopper (43), the upper end of conveying frame (1) is equipped with limit groove (11), bearing plate (31) is slidably embedded in limit groove (11), the outer wall of bearing plate (31) is butt joint groove wall of limit groove (11), bearing plate (31) is used for fixed work piece, the groove bottom of limit groove (11) is equipped with accommodating groove (12), stopper (43) is slid in accommodating groove (12) up and down, stopper (43) is used for butt joint bearing plate (31), realizes the blocking bearing plate (31) movement; Still include limit component (5), the limit component (11) of limit groove (51) one groove wall is equipped with two locating port (14), two locating port (14) are spaced apart along the length direction of limit groove (11), limit plate (51) are equipped with multiple, limit plate (51) are set up one by one with locating port (14) correspondence, limit plate (51) are slidably connected in the inner wall of locating port (14), the sliding direction of limit plate (51) is perpendicular to the length direction of limit groove (11), bearing plate (31) is located between two limit plates (51), and both ends of bearing plate (31) butt joint limit plate (51); The limit component (5) still includes sliding block (52), support (54), gear (55), sliding rack (56), connecting block (57) and limit rack (58), the groove wall of limit groove (11) is equipped with sliding port (15), both sliding port (15) and locating port (14) are along the width direction of limit groove (11) and are through conveying frame (1), sliding block (52) is slidably connected in the inner wall of sliding port (15), the lower end of sliding block (52) is equipped with guide surface (521), the upper end of bearing plate (31) is used for butt joint guide surface (521), bearing plate (31) is slid upward and pushes sliding block (52) to slide away from one end of limit groove (11), support (54) is fixedly connected to the outer wall of conveying frame (1), gear (55) is rotatably arranged on support (54) around its axis, sliding rack (56) is fixedly connected to one end of sliding block (52) towards gear (55), connecting block (57) is fixedly connected to limit plate (51) and limit rack (58), limit rack (58) and sliding rack (56) are engaged in both ends of gear (55) respectively; Still include fixed plate (41), drive cylinder (451) and lifting plate (452), the groove wall of accommodating groove (12) is fixedly connected with fixed plate (41), the cylinder body of drive cylinder (451) is fixedly connected with the upper end of fixed plate (41), the piston rod of drive cylinder (451) is fixedly connected with lifting plate (452), drive cylinder (451) controls lifting plate (452) to move up and down in accommodating groove (12), lifting plate (452) is used for supporting bearing plate (31).

2. The new energy vehicle stator and rotor laser welding device according to claim 1, characterized in that: The new energy automobile stator and rotor laser welding device further comprises a seat body (61) and a laser welding head (62), the laser welding head (62) is slidably connected to the seat body (61), the sliding direction of the laser welding head (62) is vertical, and the laser welding head (62) is used for welding workpieces. 3.The new energy vehicle stator and rotor laser welding device according to claim 2, characterized in that: The new energy automobile stator and rotor laser welding device further comprises a reciprocating screw rod (66) and a driving motor (63), one end of the seat body (61) towards the workpiece is provided with a guide groove (611), the outer wall of the laser welding head (62) is connected with a guide block (621), the guide block (621) is slidably embedded in the guide groove (611), the outer wall of the seat body (61) towards the workpiece is connected with a connecting plate (612), the reciprocating screw rod (66) is rotationally connected to the connecting plate (612) around its axis, the rotation axis of the reciprocating screw rod (66) is vertical, the laser welding head (62) is provided with a connecting port (622), the reciprocating screw rod (66) is threadedly connected to the inner wall of the connecting port (622), and the driving motor (63) drives the reciprocating screw rod (66) to rotate through a transmission assembly (7).

4. The new energy vehicle stator and rotor laser welding device according to claim 3, characterized in that: The new energy automobile stator and rotor laser welding device further comprises a fixing frame (531), a switch (64) and a driving rod (65), the fixing frame (531) is fixedly connected to the outer wall of the conveying frame (1), the switch (64) is fixedly connected to the fixing frame (531), one end of the driving rod (65) is fixedly connected to the end of the sliding block (52) away from the limiting groove (11), the other end of the driving rod (65) is used for abutting against the switch (64), and the switch (64) is electrically connected to the driving motor (63) and the laser welding head (62).

5. The new energy vehicle stator and rotor laser welding device according to claim 1, characterized in that: The new energy automobile stator and rotor laser welding device further comprises a mounting seat (42) and a pressing block (46), the mounting seat (42) is fixedly connected to the upper end of the fixed plate (41), the stop block (43) is slidably connected to the mounting seat (42), the sliding direction of the stop block (43) is vertical, the stop block (43) is provided with a mounting groove (431), the length direction of the mounting groove (431) is parallel to the length direction of the limiting groove (11), the pressing block (46) is slidably connected to the groove wall of the mounting groove (431), the sliding direction of the pressing block (46) is parallel to the length direction of the mounting groove (431), the upper surface of the pressing block (46) is flush with the upper surface of the stop block (43), one end of the pressing block (46) towards the bearing plate (31) is used for abutting against the bearing plate (31), and the upper end of the pressing block (46) is used for abutting against the lower end of the lifting plate (452). 6.The new energy vehicle stator and rotor laser welding device according to claim 5, characterized in that: The new energy automobile stator and rotor laser welding device further comprises an abutting block (48), the stopper (43) is provided with a reset slot (432), the length direction of the reset slot (432) is vertical, the abutting block (48) is slidingly embedded in the reset slot (432), the sliding direction of the abutting block (48) is vertical, the upper portion of the abutting block (48) is provided with a first abutting surface (481) at one end of the lifting plate (452), the first abutting surface (481) is used for abutting the bearing table, the lower end of the abutting block (48) is provided with a second abutting surface (482) away from one end of the lifting plate (452), the pressing block (46) is connected with a reset block (461) away from one end of the lifting table, the reset block (461) is provided with a third abutting surface (462) at one end facing the abutting block (48), and the first abutting surface (481) is used for abutting the third abutting surface (462).

7. The new energy vehicle stator and rotor laser welding device according to claim 5, characterized in that: The new energy automobile stator and rotor laser welding device further comprises a first spring (44), the upper end of the mounting seat (42) is provided with a placing slot (421), the stopper (43) is slidingly embedded in the placing slot (421), one end of the first spring (44) is fixedly connected to the bottom of the placing slot (421), and the other end of the first spring (44) is fixedly connected to the stopper (43).

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