Reliable welding equipment based on new energy automobile motor shell machining

Abstract

The invention relates to the field of welding equipment, in particular to reliable welding equipment for new energy automobile motor shell machining, which comprises a base, a mechanical arm and a friction welding mechanism, a motor cavity is formed in the base, a driving motor is mounted in the motor cavity, a rotating disc is rotatably mounted at the top of the base, and the output end of the driving motor is connected with the rotating disc; the mechanical arm comprises a first rotating arm, a second rotating arm and a third rotating arm, the first rotating arm is fixedly installed on the rotating disc, the second rotating arm is rotatably installed at the end of the first rotating arm, and due to the multi-stage rotating design (the first rotating arm, the second rotating arm and the third rotating arm) of the mechanical arm and cooperative work of the first motor, the second motor and the third motor, the position and angle of the welding mechanism can be flexibly adjusted; and the design of a main arm and an extension arm is adopted for a third rotary arm, telescopic adjustment of the extension arm is achieved by adjusting a motor and an adjusting lead screw, the adjusting range of the welding equipment is widened, and the flexibility of the welding equipment is improved.

Description

Technical Field

[0001] The invention relates to the field of welding equipment, in particular to reliable welding equipment for processing motor housings of new energy vehicles. Background Art

[0002] With the rapid development of the new energy vehicle industry, the motor, as one of the core components of new energy vehicles, has a significant impact on the performance and reliability of the vehicle. As the protective structure of the motor, the motor housing is not only required to have sufficient strength and rigidity, but also to have good sealing and aesthetics. Therefore, the processing quality of the motor housing is directly related to the service life of the motor and the performance of the vehicle.

[0003] In the processing of new energy vehicle motor housing, welding is a crucial link. Traditional welding methods often have problems such as unstable welding quality, low welding efficiency, and large welding deformation, which are difficult to meet the high-precision and high-efficiency processing requirements of new energy vehicle motor housing. In particular, with the complexity of motor housing structure and the diversification of materials, the requirements for welding equipment are getting higher and higher.

[0004] In response to the above problems, although there are some welding equipment in the prior art, they often have the following shortcomings: First, the structure of the welding equipment is complex and the operation is cumbersome, which makes it difficult to achieve automated and intelligent control; second, the heat dissipation problem during the welding process is difficult to solve, which can easily lead to equipment overheating and affect the welding quality and equipment life; third, the adjustment range and flexibility of the welding equipment are limited, making it difficult to adapt to the welding requirements of motor casings of different shapes and sizes; fourth, the positioning and movement during the welding process are not precise enough, which can easily lead to welding deviations and unstable welding quality. Summary of the invention

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the present invention provides a reliable welding device for processing motor housings of new energy vehicles.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a reliable welding device for processing the motor housing of a new energy vehicle according to the present invention comprises a base, a mechanical arm and a friction welding mechanism, the base is provided with a motor cavity, a driving motor is installed in the motor cavity, a rotating disk is rotatably installed on the top of the base, the output end of the driving motor is connected to the rotating disk, the mechanical arm comprises swing arm 1, swing arm 2 and swing arm 3, the swing arm 1 is fixedly installed on the rotating disk, the swing arm 2 is rotatably installed at the end of the swing arm 1, the end of the swing arm 1 is fixedly installed with motor 1, the output end of the motor 1 passes through the swing arm 1 and is connected to the swing arm 2 through a bearing, and the swing arm 3 rotates It is installed at the end of the second swing arm, and the end of the second swing arm is fixedly installed with a motor. The output end of the motor passes through the second swing arm and is connected to the third swing arm. The front end of the third swing arm is provided with a hinge groove, and an hinge frame is hinged in the hinge groove. The welding mechanism is installed on the hinge frame. The end of the third swing arm is fixedly installed with a motor. The output end of the motor passes through the third swing arm and is connected to the hinge frame. The welding mechanism includes a machine base, a high-speed motor, a reducer, a main shaft and a stirring needle. The high-speed motor and the reducer are fixedly installed on the machine base. The output end of the high-speed motor is connected to the input end of the reducer. The main shaft is installed at the output end of the reducer, and the stirring needle is fixed at the front end of the main shaft.

[0009] Preferably, the machine base adopts a cylindrical structure, the high-speed motor and the reducer are fixedly installed inside the machine base, and the reducer is located below the high-speed motor.

[0010] Further preferably, heat dissipation holes are symmetrically provided on both sides of the base, and heat dissipation fans are installed in the heat dissipation holes.

[0011] Again preferably, the swing arm three includes a main arm and an extension arm, an adjustment cavity is provided in the main arm, an adjustment motor is fixedly installed in the adjustment cavity, an adjustment screw is provided at the output end of the adjustment motor, and the extension arm is sleeved on the adjustment screw.

[0012] Preferably, a plurality of guide grooves are disposed around the inner wall of the adjustment cavity, and a plurality of guide rods are disposed around the outer wall of the extension arm, and the guide rods are adapted to the guide grooves.

[0013] Further preferably, a damping roller is rotatably mounted on the guide rod, and the damping roller is adapted to the guide groove.

[0014] Again preferably, a pressing tube is provided at the bottom of the machine base, the pressing tube sleeve is arranged on the outside of the main shaft, a friction welding head is provided at the bottom of the stirring needle, the bottom of the pressing tube is located above the friction welding head, and the pressing tube is used to flatten the welding point, and an opening is provided on the pressing tube, and the opening is adapted to the welding seam of the welding point.

[0015] Preferably, it also includes a displacement track, which is provided with a track groove, in which a threaded screw is rotatably installed, a servo motor is fixedly installed at one end of the displacement track, the output end of the servo motor is connected to the threaded screw, and the base is sleeved on the threaded screw through a slider.

[0016] Further preferably, slide grooves are provided on both sides of the displacement track, a pulley is hinged on the bottom of the base, and the pulley is adapted to the slide grooves.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the present invention provides a reliable welding device for processing the motor housing of new energy vehicles, which has the following beneficial effects:

[0019] Efficient and stable welding process:

[0020] Through the driving motor and rotating disk on the base, the stable rotation of the welding equipment on the horizontal plane is achieved, providing a stable support and rotation basis for welding.

[0021] The multi-stage rotation design of the robotic arm (arm one, arm two, arm three) and the coordinated work of motor one, motor two, and motor three enable the welding mechanism to flexibly adjust the position and angle to adapt to the welding needs of motor casings of different shapes and sizes.

[0022] Optimized welding mechanism design:

[0023] The welding mechanism adopts a combination of high-speed motor, reducer and spindle, which realizes high-speed rotation and precise control of the stirring needle, improving welding quality and efficiency.

[0024] The machine base adopts a cylindrical structure with a high-speed motor and reducer installed inside. The structure is compact and stable. At the same time, the reducer is located below the high-speed motor, which is conducive to heat dissipation and lowering the center of gravity, thereby improving equipment stability.

[0025] Enhanced Thermal Performance:

[0026] There are symmetrical heat dissipation holes on both sides of the machine base, and a cooling fan is installed, which effectively reduces the heat generated by the equipment during operation and improves the reliability and service life of the equipment.

[0027] Flexible adjustment function:

[0028] The three-arm rotary machine adopts the design of main arm and extension arm. The extension arm can be adjusted by adjusting the motor and the screw rod, which increases the adjustment range and flexibility of the welding equipment.

[0029] A guide groove is arranged on the inner wall of the adjustment cavity, a guide rod is arranged on the outer wall of the extension arm, and a damping roller is provided, which improves the accuracy and stability of the adjustment and reduces the shaking and error during the adjustment process.

[0030] Improved welding quality:

[0031] A pressing tube is provided at the bottom of the machine base, which is sleeved on the outside of the main shaft and is used to flatten the welding position, thereby improving the flatness and aesthetics of the welding.

[0032] The pressing tube is provided with an opening adapted to the welding seam, so that the pressing tube can fit closely to the welding position, further improving the welding quality.

[0033] Convenient displacement and positioning functions:

[0034] Through the combination of the displacement track, the track groove, the threaded screw and the servo motor, the precise movement and positioning of the base on the displacement track are realized, and the automation degree and positioning accuracy of the welding equipment are improved.

[0035] There are slide grooves on both sides of the displacement track, and the hinged pulley at the bottom of the base is adapted to the slide groove, making the base more stable and smooth during movement, reducing friction and resistance during movement.

[0036] In summary, the welding equipment achieves efficient, stable, precise and beautiful welding of the motor housing of new energy vehicles by optimizing the design of the base, robotic arm and welding mechanism, and adding functions such as heat dissipation, adjustment, welding quality and displacement positioning, thereby improving the reliability and service life of the welding equipment and meeting the high requirements for the processing of motor housings of new energy vehicles. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0038] Figure 2 It is a schematic diagram of the three-section structure of the rotary arm of the present invention;

[0039] Figure 3 It is a schematic diagram of the cross-sectional structure of the welding mechanism of the present invention;

[0040] Figure 4 This is a schematic diagram of the assembly structure of the base and the displacement track of the present invention;

[0041] Figure 5 This is a schematic diagram of the structure of the base of the present invention when viewed from above;

[0042] In the figure: 1. base; 2. pulley; 3. swing arm 1; 4. swing arm 2; 5. swing arm 3; 6. motor 1; 7. motor 2; 8. main arm; 9. extension arm; 10. articulated frame; 11. motor 3; 12. machine base; 13. cooling fan; 14. pressure pipe; 15. high-speed motor; 16. reducer; 17. main shaft; 18. stirring needle; 19. friction welding head; 20. heat dissipation hole; 21. guide rod; 22. damping roller; 23. hinge groove; 24. adjustment cavity; 25. adjustment motor; 26. adjustment screw; 27. displacement track; 28. track groove; 29. ​​threaded screw; 30. slide groove; 31. servo motor; 32. motor cavity; 33. drive motor; 34. slider; 35. guide groove. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0044] See also Figure 1-5 The present invention provides a reliable welding device for processing motor housing of new energy vehicles, comprising a base 1, a mechanical arm and a friction welding mechanism, wherein a motor cavity 32 is provided on the base 1, a driving motor 33 is installed in the motor cavity 32, a rotating disk is rotatably installed on the top of the base 1, and the output end of the driving motor 33 is connected to the rotating disk, the mechanical arm comprises a rotary arm 3, a rotary arm 4 and a rotary arm 3 5, the rotary arm 3 is fixedly installed on the rotating disk, the rotary arm 2 4 is rotatably installed at the end of the rotary arm 3, a motor 6 is fixedly installed at the end of the rotary arm 3, the output end of the motor 6 passes through the rotary arm 3 through a bearing and is connected to the rotary arm 2 4, the rotary arm 3 5 is rotatably installed at the end of the rotary arm 2 4, and the end of the rotary arm 2 4 is fixedly installed A motor 2 7 is installed, and the output end of the motor 2 7 passes through the swing arm 2 4 and is connected to the swing arm 3 5. The front end of the swing arm 3 5 is provided with a hinge groove 23, and an hinge frame 10 is hinged in the hinge groove 23. The welding mechanism is installed on the hinge frame 10. The end of the swing arm 3 5 is fixedly installed with a motor 3 11, and the output end of the motor 3 11 passes through the swing arm 3 5 and is connected to the hinge frame 10. The welding mechanism includes a machine base 12, a high-speed motor 15, a reducer 16, a main shaft 17 and a stirring needle 18. The high-speed motor 15 and the reducer 16 are fixedly installed on the machine base 12, the output end of the high-speed motor 15 is connected to the input end of the reducer 16, the main shaft 17 is installed at the output end of the reducer 16, and the stirring needle 18 is fixed at the front end of the main shaft 17.

[0045] The working principle of this reliable welding equipment for new energy vehicle motor housing processing is:

[0046] Base 1:

[0047] Structure: A motor cavity 32 is provided on the base 1, and a driving motor 33 is installed in the motor cavity 32. A rotating disk is rotatably installed on the top of the base 1, and the output end of the driving motor 33 is connected to the rotating disk.

[0048] Function: The driving motor 33 realizes the rotation of the base 1 through the rotating disk, ensuring that the welding equipment can be operated in multiple directions, thereby improving the flexibility and adaptability of welding.

[0049] Robotic Arm:

[0050] Structure: The mechanical arm includes a swing arm 1 3, a swing arm 2 4 and a swing arm 3 5. The swing arm 1 3 is fixedly mounted on the rotating disk, the swing arm 2 4 is rotatably mounted on the end of the swing arm 1 3, a motor 1 6 is fixedly mounted on the end of the swing arm 1 3, and the output end of the motor 1 6 passes through the swing arm 1 3 and is connected to the swing arm 2 4 through a bearing. The swing arm 3 5 is rotatably mounted on the end of the swing arm 2 4, a motor 2 7 is fixedly mounted on the end of the swing arm 2 4, and the output end of the motor 2 7 passes through the swing arm 2 4 and is connected to the swing arm 3 5. The front end of the swing arm 3 5 is provided with an articulation groove 23, an articulation frame 10 is articulated in the articulation groove 23, a welding mechanism is mounted on the articulation frame 10, a motor 3 11 is fixedly mounted on the end of the swing arm 3 5, and the output end of the motor 3 11 passes through the swing arm 3 5 and is connected to the articulation frame 10.

[0051] Function: Through the coordinated work of motor 1 6, motor 2 7 and motor 3 11, multi-degree-of-freedom movement of swing arm 1 3, swing arm 2 4 and swing arm 3 5 is realized, ensuring that the welding mechanism can accurately locate the welding point, thereby improving the accuracy and flexibility of welding.

[0052] Welding mechanism:

[0053] Structure: The welding mechanism includes a machine base 12, a high-speed motor 15, a reducer 16, a spindle 17 and a stirring needle 18. The high-speed motor 15 and the reducer 16 are fixedly mounted on the machine base 12, the output end of the high-speed motor 15 is connected to the input end of the reducer 16, the spindle 17 is mounted at the output end of the reducer 16, and the stirring needle 18 is fixed at the front end of the spindle 17.

[0054] Function: The high-speed motor 15 drives the main shaft 17 to rotate through the reducer 16, and the stirring needle 18 performs stir friction welding at the welding point to ensure the stability and quality of welding.

[0055] How the Optimal Technology Solution Works

[0056] Frame 12 structure:

[0057] Structure: The machine base 12 adopts a cylindrical structure, and the high-speed motor 15 and the reducer 16 are fixedly installed inside the machine base 12 , and the reducer 16 is located below the high-speed motor 15 .

[0058] Function: The cylindrical structure of the machine base 12 can provide better rigidity and stability, ensuring the reliable operation of the high-speed motor 15 and the reducer 16.

[0059] Heat dissipation holes 20 and cooling fans 13:

[0060] Structure: The base 12 is symmetrically provided with heat dissipation holes 20 on both sides, and a heat dissipation fan 13 is installed in the heat dissipation hole 20.

[0061] Function: The heat dissipation holes 20 and the heat dissipation fan 13 can effectively dissipate heat, prevent the high-speed motor 15 and the reducer 16 from overheating, and extend the service life of the equipment.

[0062] Adjustment mechanism of arm three 5:

[0063] Structure: The swing arm 3 5 includes a main arm 8 and an extension arm 9. An adjustment cavity 24 is provided in the main arm 8. An adjustment motor 25 is fixedly installed in the adjustment cavity 24. An adjustment screw rod 26 is provided at the output end of the adjustment motor 25. The extension arm 9 is sleeved on the adjustment screw rod 26.

[0064] Function: The adjusting motor 25 controls the extension and retraction of the extension arm 9 by adjusting the screw rod 26, thereby adjusting the length of the rotary arm 3 5 and improving the adaptability and flexibility of the welding equipment.

[0065] Guide groove 35 and guide rod 21:

[0066] Structure: A plurality of guide grooves 35 are arranged around the inner wall of the adjusting cavity 24 , and a plurality of guide rods 21 are arranged around the outer wall of the extension arm 9 , and the guide rods 21 are adapted to the guide grooves 35 .

[0067] Function: The guide groove 35 and the guide rod 21 ensure that the extension arm 9 maintains linear motion during the adjustment process, thereby improving the accuracy and stability of the adjustment.

[0068] Damping roller 22:

[0069] Structure: A damping roller 22 is rotatably mounted on the guide rod 21 , and the damping roller 22 is adapted to the guide groove 35 .

[0070] Function: The damping roller 22 can reduce the friction between the guide rod 21 and the guide groove 35, thereby improving the smoothness and reliability of the adjustment.

[0071] Pressed tube 14 and friction welding joint 19:

[0072] Structure: A pressing tube 14 is provided at the bottom of the machine base 12, and the pressing tube 14 is sleeved on the outside of the main shaft 17. A friction welding head 19 is provided at the bottom of the stirring needle 18. The bottom of the pressing tube 14 is located above the friction welding head 19. An opening is provided on the pressing tube 14, and the opening is adapted to the welding seam at the welding location.

[0073] Function: The pressing tube 14 is used to flatten the welding position to ensure the flatness and beauty of the welding seam and improve the welding quality.

[0074] Displacement Track 27:

[0075] Structure: A track groove 28 is provided on the displacement track 27, a threaded screw 29 is rotatably installed in the track groove 28, a servo motor 31 is fixedly installed at one end of the displacement track 27, the output end of the servo motor 31 is connected to the threaded screw 29, and the base 1 is sleeved on the threaded screw 29 through a slider 34.

[0076] Function: The servo motor 31 controls the movement of the base 1 on the displacement track 27 through the threaded screw 29, so as to achieve accurate movement of the welding equipment over a long distance and improve the range and flexibility of welding.

[0077] Slide 30 and pulley 2:

[0078] Structure: Slide grooves 30 are provided on both sides of the displacement track 27 , and a pulley 2 is hinged at the bottom of the base 1 , and the pulley 2 is adapted to the slide grooves 30 .

[0079] Function: The slide groove 30 and the pulley 2 ensure the smooth movement of the base 1 on the displacement track 27, reduce friction, and improve the accuracy and reliability of movement.

[0080] Although embodiments of the present invention have been described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reliable welding device for processing motor housing of new energy vehicles, characterized in that: The invention comprises a base (1), a mechanical arm and a friction welding mechanism, wherein a motor cavity (32) is provided on the base (1), a driving motor (33) is installed in the motor cavity (32), a rotating disk is rotatably installed on the top of the base (1), and the output end of the driving motor (33) is connected to the rotating disk, the mechanical arm comprises a rotary arm (3), a rotary arm (4) and a rotary arm (5), the rotary arm (3) is fixedly installed on the rotating disk, the rotary arm (4) is rotatably installed on the end of the rotary arm (3), a motor (6) is fixedly installed on the end of the rotary arm (3), the output end of the motor (6) passes through the rotary arm (3) and is connected to the rotary arm (4) through a bearing, the rotary arm (5) is rotatably installed on the end of the rotary arm (4), a motor (7) is fixedly installed on the end of the rotary arm (4), and the output end of the motor (7) passes through the rotary arm (3) and is connected to the rotary arm (4). The swing arm 2 (4) is connected with the swing arm 3 (5), the front end of the swing arm 3 (5) is provided with a hinge groove (23), the hinge frame (10) is hinged in the hinge groove (23), the welding mechanism is installed on the hinge frame (10), the end of the swing arm 3 (5) is fixedly installed with a motor 3 (11), the output end of the motor 3 (11) passes through the swing arm 3 (5) and is connected with the hinge frame (10), the welding mechanism comprises a machine base (12), a high-speed motor (15), a reducer (16), a main shaft (17) and a stirring needle (18), the high-speed motor (15) and the reducer (16) are fixedly installed on the machine base (12), the output end of the high-speed motor (15) is connected with the input end of the reducer (16), the main shaft (17) is installed at the output end of the reducer (16), and the stirring needle (18) is fixed at the front end of the main shaft (17).

2. A reliable welding device for processing motor housing of new energy vehicles according to claim 1, characterized in that: The machine base (12) adopts a cylindrical structure, the high-speed motor (15) and the reducer (16) are fixedly installed inside the machine base (12), and the reducer (16) is located below the high-speed motor (15).

3. A reliable welding device for processing motor housing of new energy vehicles according to claim 2, characterized in that: Heat dissipation holes (20) are symmetrically arranged on both sides of the machine base (12), and a heat dissipation fan (13) is installed in the heat dissipation hole (20).

4. A reliable welding device for processing motor housing of new energy vehicles according to claim 3, characterized in that: The swing arm three (5) comprises a main arm (8) and an extension arm (9), the main arm (8) is provided with an adjustment cavity (24), an adjustment motor (25) is fixedly installed in the adjustment cavity (24), an adjustment screw rod (26) is provided at the output end of the adjustment motor (25), and the extension arm (9) is sleeved on the adjustment screw rod (26).

5. A reliable welding device for processing motor housing of new energy vehicles according to claim 4, characterized in that: A plurality of guide grooves (35) are arranged around the inner wall of the adjustment cavity (24), and a plurality of guide rods (21) are arranged around the outer wall of the extension arm (9), wherein the guide rods (21) are adapted to the guide grooves (35).

6. A reliable welding device for processing motor housing of new energy vehicles according to claim 5, characterized in that: A damping roller (22) is rotatably mounted on the guide rod (21), and the damping roller (22) is adapted to the guide groove (35).

7. A reliable welding device for processing motor housing of new energy vehicles according to claim 6, characterized in that: A pressing tube (14) is provided at the bottom of the machine base (12), and the pressing tube (14) is sleeved on the outside of the main shaft (17). A friction welding head (19) is provided at the bottom of the stirring needle (18). The bottom of the pressing tube (14) is located above the friction welding head (19), and the pressing tube (14) is used to flatten the welding position. An opening is provided on the pressing tube (14), and the opening is adapted to the welding seam of the welding position.

8. A reliable welding device for processing motor housing of new energy vehicles according to claim 7, characterized in that: The invention also comprises a displacement track (27), wherein a track groove (28) is provided on the displacement track (27), a threaded screw (29) is rotatably mounted in the track groove (28), a servo motor (31) is fixedly mounted on one end of the displacement track (27), an output end of the servo motor (31) is connected to the threaded screw (29), and the base (1) is sleeved on the threaded screw (29) via a slider (34).

9. A reliable welding device for processing motor housing of new energy vehicles according to claim 8, characterized in that: Slide grooves (30) are provided on both sides of the displacement track (27), a pulley (2) is hingedly connected to the bottom of the base (1), and the pulley (2) is adapted to the slide grooves (30).

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