Lightweight motor shell welding equipment for new energy automobile
By combining the arc-shaped clamping plate with the adaptive base clamping plate, a high degree of fit and rapid locking of the motor housing of new energy vehicles is achieved, which solves the shortcomings of existing equipment in clamping and precision, improves the stability and adaptability of welding equipment, and is suitable for mass production of new energy vehicles.
Patent Information
- Application Number
- CN202511755962.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-27
- Publication Date
- 2026-01-30
AI Technical Summary
Existing welding equipment is unable to effectively clamp the arc-shaped or irregularly shaped outer surface of the motor housing of new energy vehicles, resulting in surface damage and low welding accuracy. Furthermore, it cannot adaptively adjust the clamping position, affecting the efficiency of mass production.
It adopts an arc-shaped clamping plate and an adaptive base clamping plate structure, combined with an adaptive height adjustment and angle adjustment mechanism. Through the interlocking structure of the rotating fixing frame and the fixing hole, it achieves high-fit clamping and quick locking, enhancing clamping stability and accuracy.
It improves welding accuracy and equipment versatility, reduces shaking during welding, simplifies operation steps, adapts to the compatibility of workpieces of different specifications, and meets the needs of efficient mass production.
Smart Images
Figure CN121423958A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of welding clamping, in particular to a light-weight motor shell welding device for new energy vehicles. BACKGROUND
[0002] With the development of new energy vehicles towards low energy consumption and high endurance, the lightweight and high-precision welding of motor shell becomes the key. At present, aluminum alloy has become the mainstream material of motor shell due to its comprehensive performance advantages. However, the common welding equipment adopts flat clamping plate or standard V-shaped block for clamping, which is difficult to fit the arc-shaped or special-shaped outer surface of the motor shell, and only point or line contact force is applied, which is easy to cause surface damage of the shell. In addition, the clamping position cannot be adjusted automatically according to the size of the workpiece, and the universality is poor. During the welding process, the shell is easy to shake, which affects the precision and efficiency, and it is difficult to meet the needs of batch production of new energy vehicles. Therefore, the present application provides a light-weight motor shell welding device for new energy vehicles. Through the arc-shaped clamping plate and the self-adaptive base clamping plate structure, high fitting clamping with the shell shape is realized, the contact area is increased, surface damage is avoided, and the self-adaptive height and angle adjustment mechanism is combined. Different specifications of shells can be quickly adapted, the clamping stability and welding precision are improved, the universality and operation convenience of the equipment are effectively enhanced, and the efficient batch production requirements are met. SUMMARY
[0003] The present application provides a light-weight motor shell welding device for new energy vehicles.
[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a light-weight motor shell welding device for new energy vehicles, comprising a welding device and a motor shell on the welding device. The upper end of the welding device is connected with an arc-shaped clamping plate for clamping the motor shell. The arc-shaped clamping plate and the welding device are connected with a self-adaptive base clamping plate which provides a base for clamping the motor shell. The left side of the self-adaptive base clamping plate is connected with a clamping connection frame which adjusts the clamping state of the arc-shaped clamping plate. The clamping connection frame is connected with a retaining frame which fixes the welding angle of the arc-shaped clamping plate and the self-adaptive base clamping plate. The upper end of the clamping connection frame is provided with an operation slot.
[0005] As a further scheme of the present application: the lower end of the self-adaptive base clamping plate is connected with a self-adaptive height adjusting plate which adjusts the height of the self-adaptive base clamping plate. The upper end of the self-adaptive height adjusting plate is provided with an arc-shaped slot. The lower end of the self-adaptive base clamping plate is connected with a rotating slider which cooperates with the arc-shaped slot. The side of the arc-shaped clamping plate close to the clamping connection frame is installed with an arc-shaped slider. The side of the clamping connection frame close to the arc-shaped clamping plate is provided with an arc-shaped sliding groove. The outer wall of the arc-shaped slider is slidingly connected with the inner wall of the arc-shaped sliding groove.
[0006] As a further scheme of the present application: the upper end of the welding device is provided with an adjusting through slot for slidingly connecting the adaptive height adjusting plate, and the upper end of the welding device is provided with an adaptive fixing groove on one side of the adjusting through slot, and an adaptive fixing plate for triggering the fixing of the height position of the adaptive height adjusting plate is slidingly connected in the adaptive fixing groove.
[0007] As a further scheme of the present application: the upper end of the welding device is provided with an adjusting through slot for slidingly connecting the adaptive height adjusting plate, and the upper end of the welding device is provided with an adaptive fixing groove on one side of the adjusting through slot, and an adaptive fixing plate for triggering the fixing of the height position of the adaptive height adjusting plate is slidingly connected in the adaptive fixing groove.
[0008] As a further scheme of the present application: the upper end of the welding device is provided with an adjusting through slot for slidingly connecting the adaptive height adjusting plate, and the upper end of the welding device is provided with an adaptive fixing groove on one side of the adjusting through slot, and an adaptive fixing plate for triggering the fixing of the height position of the adaptive height adjusting plate is slidingly connected in the adaptive fixing groove.
[0009] As a further scheme of the present application: the upper end of the welding device is provided with an adjusting through slot for slidingly connecting the adaptive height adjusting plate, and the upper end of the welding device is provided with an adaptive fixing groove on one side of the adjusting through slot, and an adaptive fixing plate for triggering the fixing of the height position of the adaptive height adjusting plate is slidingly connected in the adaptive fixing groove.
[0010] As a further scheme of the present application: the upper end of the welding device is provided with an adjusting through slot for slidingly connecting the adaptive height adjusting plate, and the upper end of the welding device is provided with an adaptive fixing groove on one side of the adjusting through slot, and an adaptive fixing plate for triggering the fixing of the height position of the adaptive height adjusting plate is slidingly connected in the adaptive fixing groove.
[0011] As a further scheme of the present application: the upper end of the welding device is provided with an adjusting through slot for slidingly connecting the adaptive height adjusting plate, and the upper end of the welding device is provided with an adaptive fixing groove on one side of the adjusting through slot, and an adaptive fixing plate for triggering the fixing of the height position of the adaptive height adjusting plate is slidingly connected in the adaptive fixing groove.
[0012] As a further scheme of the present application: the upper end of the welding device is provided with an adjusting through slot for slidingly connecting the adaptive height adjusting plate, and the upper end of the welding device is provided with an adaptive fixing groove on one side of the adjusting through slot, and an adaptive fixing plate for triggering the fixing of the height position of the adaptive height adjusting plate is slidingly connected in the adaptive fixing groove.
[0013] With the above technical scheme, compared with the prior art, the present application has the following beneficial effects: 1. The arc-shaped clamping plate and the self-adaptive base clamping plate are used for clamping and fixing the motor shell, the structure can better fit the shape of the motor shell, increase the contact area with the motor shell, improve the stability of clamping, reduce the shaking of the motor shell during welding, enhance the universality and adaptability of the device, provide convenient operation space for the operator, facilitate clamping, adjustment and other operations, realize the adjustment of the overall height and angle of the welding device, and meet different welding requirements; 2. The clamping structure of the rotating fixing frame and the fixed hole can quickly lock the position after height adjustment is completed. The design of the reset spring ensures that the rotating fixing frame always maintains a locked state without external force, avoids position deviation caused by welding vibration, simplifies the operation steps, reduces manual intervention during adjustment, ensures the compatibility of various specifications of workpieces, and reserves space for subsequent function expansion. Through the ingenious linkage and self-adaptive design of the mechanical structure, the operation convenience and structural durability are considered while ensuring the adjustment accuracy and fixing stability, and the device is suitable for high-precision welding requirements of arc-shaped workpieces such as motor shells; 3. The rotating fixing hole and the through hole arranged in an arc shape are matched, and the convex block of the rotating fixing frame is combined, so that the arc-shaped clamping plate can be quickly locked after being adjusted to any angle. The arc-shaped distribution of the multiple hole positions ensures the continuity and flexibility of angle adjustment, realizes the automatic connection of adjustment, fixation and unlocking, improves the stability of angle positioning, facilitates the operator to make fine adjustment from below, and enhances the adaptability of the device to complex working conditions.
[0014] Other advantages, objects and features of the present application will be set forth in part in the following specification, and in part will be apparent from the examination of the following specification, or can be learned from practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a whole three-dimensional schematic view in the embodiment of the present application; Figure 2 It is a welding device three-dimensional schematic view in the embodiment of the present application; Figure 3 It is an arc-shaped clamping plate three-dimensional schematic view in the embodiment of the present application; Figure 4 It is a self-adaptive height adjustment plate three-dimensional schematic view in the embodiment of the present application; Figure 5 It is a self-adaptive base clamping plate three-dimensional schematic view in the embodiment of the present application; Figure 6 It is a clamping link frame three-dimensional schematic view in the embodiment of the present application; Figure 7 It is a retaining frame three-dimensional schematic view in the embodiment of the present application; Figure 8 It is a three-dimensional schematic view of the angle fixing frame in the embodiment of the present application. Figure 9 It is a three-dimensional schematic view of the position control frame in the embodiment of the present application.
[0016] In the figure: 1, welding device; 11, motor housing; 2, arc-shaped clamping plate; 21, adaptive basic clamping plate; 22, clamping connection frame; 23, retaining frame; 3, adaptive height adjusting plate; 31, adjusting through slot; 33, adaptive fixing slot; 34, adaptive fixing plate; 35, linkage plate; 36, trigger rotating shaft; 37, rotating fixing frame; 38, return spring; 39, fixing slot; 4, driving motor; 41, lifting screw; 6, rotating fixing hole; 61, angle fixing frame; 62, position control frame; 63, control sliding groove; 64, upward extension plate. DETAILED DESCRIPTION
[0017] The specific embodiments of the present application will be further described below in conjunction with the accompanying drawings, and it should be noted that the description of these embodiments is used to help understand the present application, but does not constitute a limitation on the present application.
[0018] In addition, the technical features involved in each of the embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.
[0019] Embodiment one The light-weight motor housing welding equipment for new energy vehicles is used in the motor assembly line in the new energy vehicle production workshop, and high-precision welding operation is required for the light-weight motor housing to ensure the sealing performance and structural strength of the housing and meet the requirements of motor heat dissipation and vibration resistance; However, the traditional welding equipment uses a flat clamping plate or a standard size V-shaped block to clamp, which cannot fit the arc shape and irregular outer surface of the motor housing, and only applies force through local point and line contact, which is easy to cause the surface of the housing to be concave and scratched, and the clamping position is difficult to adaptively adjust according to different specifications of the motor housing. At the same time, the housing is easy to shake during welding, which affects the welding precision, and manual repeated adjustment of the clamping angle and height is required, which reduces the efficiency of the assembly line and cannot match the rhythm of mass production of new energy vehicles. At this time, the light-weight motor housing welding equipment for new energy vehicles is enabled, which fits the shape of the motor housing through the arc-shaped clamping plate and the adaptive basic clamping plate, increases the contact area, and stabilizes the clamping of the housing to reduce welding shaking; With the help of the adaptive height adjusting plate, the driving motor and the lifting screw, the clamping height can be adaptively adjusted according to the specifications of the housing, and the welding angle and position can be quickly locked with the cooperation of the rotating fixing frame, the angle fixing frame and other structures, without the need for manual repeated debugging. Meanwhile, the operation groove clamped on the upper end of the adapter frame provides convenient space for welding operation, effectively improves welding precision and work efficiency, and guarantees stable motor shell welding quality. Specifically, the motor shell 11 is clamped and fixed by the arc-shaped clamping plate 2 and the adaptive base clamping plate 21, the arc-shaped clamping plate 2 and the clamping adapter frame 22 are in sliding connection, the adaptive height adjusting plate 3 is in sliding connection with the welding device 1 through the structure at the lower part thereof and is fixed through the rotating fixing frame 37 and other structures, and height adjustment is realized.
[0020] Therefore, in order to effectively solve the above problems, the present application proposes a light-weight motor shell welding device for new energy vehicles, as shown in the drawings Figures 1-9 The upper end of the welding device 1 is connected with an arc-shaped clamping plate 2 for clamping the motor shell 11, the arc-shaped clamping plate 2 and the welding device 1 are connected with an adaptive base clamping plate 21 for providing a base for clamping the motor shell 11, the left side of the adaptive base clamping plate 21 is connected with a clamping adapter frame 22 for adjusting the clamping state of the arc-shaped clamping plate 2, the clamping adapter frame 22 is connected with a retaining frame 23 for fixing the welding angle of the arc-shaped clamping plate 2 and the adaptive base clamping plate 21, and an operation groove is formed in the upper end of the clamping adapter frame 22. Specifically, the motor shell 11 is clamped and fixed by the arc-shaped clamping plate 2 and the adaptive base clamping plate 21, the arc-shaped clamping plate 2 and the clamping adapter frame 22 are in sliding connection, the lower end of the welding device 1 is provided with an air pump, the upper end of the air pump is connected with a jacking block, and the upper end of the jacking block is in contact with two adaptive height adjusting plates 3.
[0021] Embodiment two The lower end of the adaptive base clamping plate 21 is connected with an adaptive height adjusting plate 3 for adaptively adjusting the height of the adaptive base clamping plate 21, the upper end of the adaptive height adjusting plate 3 is provided with an arc-shaped groove, the lower end of the adaptive base clamping plate 21 is connected with a rotating sliding block for cooperating with the arc-shaped groove, one side of the arc-shaped clamping plate 2 close to the clamping adapter frame 22 is provided with an arc-shaped sliding block, one side of the clamping adapter frame 22 close to the arc-shaped clamping plate 2 is provided with an arc-shaped sliding groove, and the outer wall of the arc-shaped sliding block is in sliding connection with the inner wall of the arc-shaped sliding groove. The upper end of the welding device 1 is provided with an adjusting through groove 31 for slidingly connecting the adaptive height adjusting plate 3, one side of the upper end of the welding device 1 located at the adjusting through groove 31 is provided with an adaptive fixing groove 33, and the adaptive fixing groove 33 is slidingly connected with an adaptive fixing plate 34 for triggering the fixing of the height position of the adaptive height adjusting plate 3; The upper end of the welding device 1 is provided with a driving bin at the front end of the adaptive height adjusting plate 3, the left side wall of the driving bin is connected with a trigger shaft 36, the outer wall of the trigger shaft 36 is connected with a rotating fixing frame 37 for fixing the height position of the adaptive height adjusting plate 3, and the left and right ends of the rotating fixing frame 37 are connected with the left and right side walls of the driving bin through reset springs 38 respectively; The left end of the adaptive fixing plate 34 is connected with a linkage plate 35 for pressing the rotating fixing frame 37 to rotate along the trigger shaft 36, and the front and back sides of the adaptive height adjusting plate 3 are provided with fixed notches 39 for mutual cooperation with the rotating fixing frame 37; When the adaptive fixing plate 34 is pressed by the motor shell 11, it will move downward, thereby driving the linkage plate 35 to move downward, and the linkage plate 35 is above the rotating fixing frame 37, when the linkage plate 35 moves downward, it will press the rotating fixing frame 37 to rotate along the trigger shaft 36, thereby rotating the rotating fixing frame 37 to the inside of the fixed notch 39 and contacting the inner wall of the fixed notch 39, and at this time, the adaptive height adjusting plate 3 continuously moves downward, so that the upper side wall of the fixed notch 39 contacts the upper end of the rotating fixing frame 37, thereby forming a fixed platform with the rotating fixing frame 37 and the fixed notch 39, so that the adaptive height adjusting plate 3 cannot continue to move downward, thereby fixing the height position of the adaptive height adjusting plate 3, and at this time, the height position of the motor shell 11 during welding can be adjusted according to the radius of the different sizes of the motor shell 11; Specifically, the adaptive height adjusting plate 3 is fixedly connected with the adaptive base clamping plate 21, the driving bin is provided with a lifting groove between the adaptive fixed groove 33, the inner wall of the lifting groove is slidably connected with the outer wall of the linkage plate 35, the lifting groove provides space for the lifting of the linkage plate 35, the reset spring 38 is sleeved outside the trigger shaft 36, and when the rotating fixing frame 37 rotates along the trigger shaft 36, the reset spring 38 will be deformed, and when the rotating fixing frame 37 loses the pressure of rotating along the trigger shaft 36, the reset spring 38 drives the rotating fixing frame 37 to reset; The bottom wall of the driving bin is provided with parallel pads, which pad the angle of the rotating fixing frame 37, so that the rotating fixing frame 37 can only rotate to a state of being parallel to the bottom wall of the fixed notch 39 when rotating.
[0022] Limiting and angle calibration: the rotating movement of the rotating fixing frame 37 is provided with firm mechanical limiting, so as to ensure that it only rotates within a preset angle range, when the rotating fixing frame 37 is pressed downward by the linkage plate 35, the arm part thereof will contact the upper surface of the parallel pad, so as to be accurately blocked at the horizontal position, so that the end part of the rotating fixing frame 37 can be accurately aligned with the fixed notch 39 on the adaptive height adjusting plate 3 and inserted, thereby realizing reliable locking; Prevent over-positioning: effectively prevent the rotating fixture 37 from rotating over-positioning due to inertia or excessive force, ensure the stability and repeatability of the locking mechanism; Stress dispersion: withstand part of the stress generated from the workpiece vibration or external force impact after the rotating fixture 37 is locked, improve the durability and reliability of the entire locking structure.
[0023] Embodiment three The left side of the adaptive height adjustment plate 3 is connected with a driving motor 4 for providing power for lifting the clamping adapter 22, and the upper end of the driving motor 4 is connected with a lifting lead screw 41 for threaded connection with the clamping adapter 22; The left side of the adaptive base clamping plate 21 is connected with a position control frame 62 for limiting the position of the retaining frame 23, and the left side of the position control frame 62 is provided with a limiting sliding groove, and the side wall of the adaptive height adjustment plate 3 is provided with an angle fixing hole for fixing the angle position of the adaptive base clamping plate 21 in cooperation with the retaining frame 23; The left side of the arc-shaped clamping plate 2 is provided with a through hole in the middle, and the side wall of the operation groove is provided with a rotating fixing hole 6 matched with the through hole, and the inside of the limiting sliding groove is slidably connected with an angle fixing frame 61 inserted into the inside of the through hole through the rotating fixing hole 6; The front side of the position control frame 62 is provided with a control sliding groove 63, and the inner wall of the control sliding groove 63 is slidably connected with the outer wall of the retaining frame 23, and the lower end of the control sliding groove 63 is provided with an adjusting sliding groove for providing space for the movement of the retaining frame 23, and the inner wall of the control sliding groove 63 is connected with a push spring for pushing the retaining frame 23 to reset, and the upper end of the position control frame 62 is provided with an upper extension plate 64; Specifically, the rotating fixing hole 6 and the angle fixing hole are provided with a plurality of arc-shaped arrangements, and the centers of the rotating fixing hole 6 and the angle fixing hole are the same center point, the side close to the rotating fixing hole 6 of the angle fixing frame 61 is provided with a protruding block, the side close to the angle fixing hole of the retaining frame 23 is provided with a protruding column, and the retaining frame 23 presents a T-shaped shape and extends to the lower side of the position control frame 62 through the adjusting sliding groove.
[0024] The working principle of the device mainly includes three functional modules of clamping and fixing, height self-adaptive adjustment and angle adjustment, and the modules work cooperatively, and the specific operation process is as follows: 1. Clamping and fixing process: Step one: place the motor shell 11 to be welded between the arc-shaped clamping plate 2 and the adaptive base clamping plate 21; Step two: start the driving motor 4, and the driving motor 4 drives the lifting lead screw 41 to rotate; Step three: the lifting lead screw 41 drives the clamping adapter 22 to move downward, and pushes the arc-shaped clamping plate 2 to approach the motor shell 11; Step four: the arc-shaped clamping plate 2 and the adaptive base clamping plate 21 jointly form a uniform clamping force to complete the stable fixation of the motor shell 11.
[0025] 2. Height adaptive adjustment and locking process: Step one: during clamping, if the height of the motor shell 11 does not match the preset, the bottom thereof will contact the adaptive fixing plate 34 and apply a downward pressure; Step two: the adaptive fixing plate 34 moves downward and presses the rotary fixing frame 37 to rotate around the trigger shaft 36 through the linkage plate 35; Step three: the rotary fixing frame 37 rotates against the elastic force of the return spring 38, and the end thereof is inserted into the fixing slot 39 of the adaptive height adjustment plate 3; Step four: the position of the adaptive height adjustment plate 3 is mechanically locked, and the height adaptive adjustment and fixation are completed.
[0026] 3. Angle adjustment and locking process: Step one: when the welding angle needs to be adjusted, the retaining frame 23 is pulled outward to make it disengage from the angle fixing hole in the side wall of the adaptive height adjustment plate 3; Step two: the retaining frame 23 is moved to push the angle fixing frame 61, so that the angle fixing frame 61 is withdrawn from the rotary fixing hole 6 and the through hole of the arc-shaped clamping plate 2, and the angle locking is released; Step three: through the action of the upper extension plate 64, the arc-shaped clamping plate 2 is synchronously rotated along the arc-shaped sliding groove of the clamping connecting frame 22, and the adaptive base clamping plate 21 is synchronously rotated along the arc-shaped slot of the adaptive height adjustment plate 3; Step four: after the motor shell 11 is adjusted to the required welding angle, the retaining frame 23 is released, and it is reset under the action of the push spring and is reinserted into the angle fixing hole. At the same time, the angle fixing frame 61 is inserted into the rotary fixing hole 6, and the angle fixation is completed.
[0027] The above front, back, left, right, up, down are based on the Figure 1 in the drawings.
[0028] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the scope of protection of the present application.
[0029] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the described embodiments.
[0030] It will be apparent to those skilled in the art that various modifications, alterations, substitutions and changes can be made to the embodiments described herein without departing from the principles and spirit of the application, and that the scope of the application is not to be limited to the specific embodiments described herein.
Claims
1. A light-weight motor shell welding device for new energy vehicles, comprising a welding device (1) and a motor shell (11) on the welding device (1), characterized in that: The upper end of the welding device (1) is connected with an arc-shaped clamping plate (2) for clamping the motor shell (11), the arc-shaped clamping plate (2) and the welding device (1) are connected with an adaptive base clamping plate (21) for providing a base for clamping the motor shell (11), the left side of the adaptive base clamping plate (21) is connected with a clamping link frame (22) for adjusting the clamping state of the arc-shaped clamping plate (2), the clamping link frame (22) is connected with a retaining frame (23) for fixing the welding angle of the arc-shaped clamping plate (2) and the adaptive base clamping plate (21), and the upper end of the clamping link frame (22) is provided with an operation slot.
2. The new energy vehicle light weight motor shell welding device according to claim 1, characterized in that: The lower end of the adaptive base clamping plate (21) is connected with an adaptive height adjusting plate (3) for adaptively adjusting the height of the adaptive base clamping plate (21), the upper end of the adaptive height adjusting plate (3) is provided with an arc-shaped slot, and the lower end of the adaptive base clamping plate (21) is connected with a rotating sliding block for mutual cooperation with the arc-shaped slot, the side of the arc-shaped clamping plate (2) close to the clamping link frame (22) is provided with an arc-shaped sliding block, and the side of the clamping link frame (22) close to the arc-shaped clamping plate (2) is provided with an arc-shaped sliding groove, and the outer wall of the arc-shaped sliding block is in sliding connection with the inner wall of the arc-shaped sliding groove.
3. The new energy vehicle light weight motor shell welding device according to claim 1, characterized in that: The upper end of the welding device (1) is provided with an adjusting through slot (31) for slidingly connecting the adaptive height adjusting plate (3), and the upper end of the welding device (1) is provided with an adaptive fixing groove (33) on one side of the adjusting through slot (31), and the adaptive fixing groove (33) is in sliding connection with an adaptive fixing plate (34) for triggering the fixing of the height position of the adaptive height adjusting plate (3).
4. The new energy vehicle light weight motor shell welding device according to claim 3, characterized in that: The upper end of the welding device (1) is provided with a drive bin at the front end of the adaptive height adjusting plate (3), the left side wall of the drive bin is connected with a trigger rotating shaft (36), the outer wall of the trigger rotating shaft (36) is connected with a rotating fixing frame (37) for fixing the height position of the adaptive height adjusting plate (3), and the left and right ends of the rotating fixing frame (37) are connected with the left and right side walls of the drive bin through return springs (38).
5. The new energy vehicle light weight motor shell welding device according to claim 4, characterized in that: The left end of the adaptive fixing plate (34) is connected with a linkage plate (35) for pressing the rotating fixing frame (37) to rotate along the trigger rotating shaft (36), and the front and rear sides of the adaptive height adjusting plate (3) are provided with fixing notches (39) for mutual cooperation with the rotating fixing frame (37).
6. The new energy vehicle light weight motor shell welding device according to claim 2, characterized in that: The left side of the adaptive height adjusting plate (3) is connected with a drive motor (4) for providing power for the lifting of the clamping link frame (22), and the upper end of the drive motor (4) is connected with a lifting lead screw (41) for threaded connection with the clamping link frame (22).
7. The new energy vehicle light weight motor shell welding device according to claim 2, characterized in that: The left side of the adaptive base clamping plate (21) is connected with a position control frame (62) for limiting the position of the retaining frame (23), and the left side of the position control frame (62) is provided with a limiting sliding groove, and the side wall of the adaptive height adjusting plate (3) is provided with an angle fixing hole for mutual cooperation with the retaining frame (23) to fix the angular position of the adaptive base clamping plate (21). 8.The new energy vehicle light-weight motor shell welding device according to claim 7, characterized in that: The left side of the arc-shaped clamping plate (2) is provided with a through hole, and the side wall of the operation groove is provided with a rotating fixing hole (6) matched with the through hole, and the inside of the limiting sliding groove is slidably connected with an angle fixing frame (61) inserted into the inside of the through hole through the rotating fixing hole (6). 9.The new energy vehicle light-weight motor shell welding device according to claim 7, characterized in that: The front side of the position control frame (62) is provided with a control sliding groove (63), and the inner wall of the control sliding groove (63) is slidably connected with the outer wall of the fixing frame (23), the lower end of the control sliding groove (63) is provided with an adjusting sliding groove providing space for the movement of the fixing frame (23), and the inner wall of the control sliding groove (63) is connected with a push spring for pushing the fixing frame (23) to reset, and the upper end of the position control frame (62) is provided with an upper extension plate (64).