Welding device for automobile manufacturing

Abstract

The invention relates to the technical field of welding, in particular to a welding device for automobile manufacturing, which comprises a fixed mounting disc, a plurality of buffer rubber rings are arranged on one side of the fixed mounting disc, a plurality of fixed mounting rings are arranged on the edge of the fixed mounting disc at equal angles, and deflection driving columns are arranged on the other sides of the fixed mounting rings. A notch circular ring is arranged at the end of the deflection driving column, and a plurality of arc-shaped anti-collision rubber strips are arranged on the outer side of the notch circular ring at equal intervals. All-position precise welding of a welding gun on a welding seam in a complex space is achieved through cooperation of a plurality of displacement adjusting mechanisms and a notch circular ring, a double-welding-head independent asynchronous operation mode is adopted, sequenced and differentiated heat input management can be conducted on dissimilar materials, a contact type vibration auxiliary function is combined, molten pool mixing is effectively promoted, crystal grains are refined, and the welding quality is improved. And the dissimilar material welding quality and the joint performance are obviously improved.

Description

Technical Field

[0001] This invention relates to the field of welding technology, and in particular to a welding apparatus for automobile manufacturing. Background Technology

[0002] In the automotive manufacturing industry, welding is a core assembly process that directly determines the structural strength, safety performance, and production efficiency of a vehicle. With the increasing diversification of car models and the trend towards lightweighting, as well as the widespread use of dissimilar materials such as aluminum alloys and high-strength steel in car body manufacturing, existing welding equipment is gradually revealing many technical bottlenecks, making it difficult to meet the production demands for high precision and high reliability.

[0003] Firstly, in terms of applicability and flexibility, traditional welding equipment mostly adopts a fixed structural design, which can only be adapted to specific models or sizes of automotive parts. Its adjustment dimensions are limited, and it cannot achieve precise, all-around adjustment of position and angle in three-dimensional space. When facing the welding requirements of parts with different shapes and spatial postures, frequent changes of tooling fixtures are necessary, which not only prolongs production preparation time but also increases equipment investment costs. This makes efficient integration into flexible production lines difficult and severely restricts the improvement of production efficiency.

[0004] Secondly, regarding the control of welding quality for dissimilar materials, existing equipment generally adopts a single welding head synchronous operation mode, which cannot independently adjust welding parameters according to the physical properties of different materials such as melting point and thermal conductivity. When welding dissimilar materials such as aluminum alloys and high-strength steel, problems such as over-melting and burn-through of low-melting-point materials or insufficient preheating of high-melting-point materials leading to uneven mixing of the molten pool are prone to occur. This results in defects such as weld composition segregation and insufficient joint strength, making it difficult to meet the stringent structural safety requirements of automobile bodies.

[0005] Furthermore, there are shortcomings in terms of welding process stability and weld performance improvement. Traditional welding methods lack effective molten pool optimization mechanisms, and defects such as porosity and cracks are easily generated during the welding process due to poor molten pool flow. At the same time, the weld grains are coarse, resulting in poor mechanical properties and density, which affects the long-term reliability of the welded joint. In addition, although some devices have attempted to introduce auxiliary functions, their complex structural designs are prone to problems such as uneven vibration transmission and poor stability, thus failing to effectively play an auxiliary role.

[0006] In terms of efficiency and automation, the single-welding-head design has low operational efficiency when welding the same material, making it difficult to match the high-paced production demands of the automotive manufacturing industry. Furthermore, the adjustment and power supply systems of some devices are poorly designed, with insufficient precision in automated adjustment. Power outages or fluctuations are prone to occur during continuous welding, requiring frequent manual intervention. This not only increases labor costs but may also affect the consistency of welding quality due to human error.

[0007] Finally, regarding structural reliability and all-position welding capabilities, existing devices often employ simple sliding joints for their moving parts, resulting in insufficient operational stability and precision. Long-term use leads to wear and increased adjustment errors. Furthermore, their low modularity makes welding head replacement and maintenance inconvenient, hindering rapid adaptation to different welding processes such as laser welding and plasma welding. In addition, for complex three-dimensional curved welds or circumferential butt joints and other all-position welding scenarios, existing devices often suffer from welding dead zones, preventing continuous, dead-zone-free precision welding and failing to meet the welding requirements of complex structural components in automotive manufacturing.

[0008] The present invention aims to solve the technical problems existing in the prior art, and to this end, a welding device for automobile manufacturing is proposed. Summary of the Invention

[0009] The purpose of this invention is to provide a welding apparatus for automobile manufacturing to solve the technical problems existing in the prior art.

[0010] By adopting the above technical solution, the present invention has the following beneficial effects: The present invention provides a welding device for automobile manufacturing, including a fixed mounting plate, a plurality of buffer rubber rings provided on one side of the fixed mounting plate, a plurality of fixed mounting rings provided at equal angles on the edge of the fixed mounting plate, a deflection drive column provided on the other side of the fixed mounting ring, a notched circular ring provided at the end of the deflection drive column, and a plurality of arc-shaped anti-collision rubber strips provided at equal intervals on the outer side of the notched circular ring, and further including: a multi-position adjustment mechanism and a sequential adjustment welding mechanism.

[0011] As a further embodiment of the present invention: the multiple displacement adjustment mechanism includes an arc-shaped moving plate that is movably arranged inside the notched ring, and arc-shaped guide covers are symmetrically arranged at both ends of the outer side of the arc-shaped moving plate. C-shaped limiting guide rails are arranged on both sides of the notched ring in conjunction with the arc-shaped guide covers, and C-shaped power supply guide grooves are arranged on the outer side of the C-shaped limiting guide rails. Arc-shaped conductive sliders are arranged on the inner side of the arc-shaped guide covers in conjunction with the C-shaped power supply guide grooves. As a further embodiment of the present invention: both ends of the notched annulus are provided with limiting arc panels; As a further aspect of the present invention: C-shaped racks are symmetrically arranged on both sides of the notched ring, and several synchronous driving components are arranged at equal angles on the outer side of the arc-shaped guide cover. Each synchronous driving component is provided with a synchronous driving gear through an output shaft, and the synchronous driving gear and the C-shaped rack on the same side mesh and drive each other. As a further embodiment of the present invention: the inner two ends of the arc-shaped moving plate are symmetrically provided with displacement mounting brackets, a primary steering drive column is rotatably provided on the displacement mounting bracket, a drive telescopic column is provided on the primary steering drive column, a secondary steering drive column is provided at the outer end of the drive telescopic column, the secondary steering drive column and the primary steering drive column are arranged in parallel, and a working mounting bracket is rotatably provided in cooperation with the secondary steering drive column. As a further aspect of the present invention: the sequential adjustment welding mechanism is set on the work mounting frame, including a deflection drive motor set on the work mounting frame, a deflection guide mounting cylinder is set directly opposite the outer end of the deflection drive motor, the deflection drive motor is connected to the middle position of the deflection guide mounting cylinder through the output shaft, a middle partition plate is set in the middle position inside the deflection guide mounting cylinder, and adaptive adjustment welding modules are set in the deflection guide mounting cylinders on both sides of the middle partition plate. As a further aspect of the present invention: two sets of accompanying mounting frames are symmetrically arranged on the working mounting frame, and each accompanying mounting frame is rotatably equipped with an accompanying drive column. Each accompanying drive column is equipped with a reset arc-shaped rubber rod, and a vibration generator is provided at the outer end of each reset arc-shaped rubber rod. A spherical transmission disk is provided at the outer end of each vibration generator. Several synchronous transmission columns are arranged at equal angles on the outer side of the vibration generator, and the synchronous transmission columns are fitted to the outer side of the spherical transmission disk.

[0012] As a further aspect of the present invention: the adaptive adjustment welding module includes a displacement guide mounting plate that is configured to cooperate with the deflection guide mounting cylinder. Two sets of directional guide rails are symmetrically arranged on the inner side of the deflection guide mounting cylinder, and a directional guide groove is configured on the outer side of the displacement guide mounting plate in cooperation with the directional guide rails. As a further embodiment of the present invention: two sets of power supply guide rails are symmetrically arranged on the inner side of the deflection guide mounting cylinder, and guide power supply grooves are provided on the outer side of the displacement guide mounting plate in conjunction with the power supply guide rails. As a further embodiment of the present invention: the two ends of the deflection guide mounting cylinder are symmetrically provided with a spacing adjustment drive motor, and a spacing adjustment stud is provided in the deflection guide mounting cylinder on both sides of the middle partition plate. One end of the spacing adjustment stud is connected to the output shaft of the spacing adjustment drive motor, and the other end of the spacing adjustment stud is rotatably mounted on the middle partition plate. The displacement guide mounting plate is provided with a spacing adjustment screw hole through the spacing adjustment stud. As a further embodiment of the present invention: the displacement guide mounting plate is provided with a working mounting column, a steering motor is provided at one end of the working mounting column extending out of the deflection guide mounting cylinder, a steering mounting frame is provided on the steering motor through the output shaft, a working drive column is rotatably provided on the steering mounting frame, a working telescopic column is provided on one side of the working drive column, and two positioning mounting plates are provided opposite each other at the end of the working telescopic column. The two positioning mounting plates are fixed by bolts, one positioning mounting plate is connected to the working telescopic column, and the other positioning mounting plate is provided with a welding head; As a further embodiment of the present invention: a connecting sleeve is provided on one side of the welding head, and a power supply sleeve is provided on the displacement guide mounting plate, and the connecting sleeve and the power supply sleeve are connected by a telescopic power supply line.

[0013] Compared with the prior art, the beneficial effects of the present invention are: 1. High flexibility and wide applicability Through the coordinated operation of the fixed mounting plate, the notched ring, and multiple displacement adjustment mechanisms, the sequential adjustment welding mechanism achieves omnidirectional adjustment of its position and angle in three-dimensional space. This allows the device to precisely adapt to the welding requirements of automotive parts with different shapes, sizes, and spatial orientations, demonstrating strong versatility.

[0014] Workpieces can be fed in through the notch of the notched ring or mated from both sides, offering flexible clamping options and facilitating integration into the production line.

[0015] 2. Significantly improves the welding quality of dissimilar materials. The core advantage lies in the sequential adjustment welding mechanism, which employs a dual-welding-head independent asynchronous operation mode. This is particularly useful when welding dissimilar materials. The power, distance from the workpiece, and front-to-back offset angle of the two welding heads can be adjusted independently, enabling preheating and melting of high-melting-point materials and subsequent precise heating and heat preservation of low-melting-point materials.

[0016] This welding strategy of "sequential order and different parameters" effectively avoids the problems of excessive melting of low-melting-point materials, melt-through, or uneven weld composition caused by traditional synchronous welding with equal parameters. It ensures that dissimilar materials are fully mixed in the molten pool, greatly improving the strength and reliability of the welded joint.

[0017] 3. Enhance welding process stability and weld performance It innovatively integrates vibration-assisted welding functionality. By driving a spherical transmission disk to contact the workpiece and transmit vibration through a vibration generator, a stirring effect is generated in the weld pool.

[0018] Promote the metallurgical integration of dissimilar materials in the molten pool and reduce component segregation.

[0019] Refining the weld grains reduces defects such as porosity and cracks, thereby improving the overall mechanical properties and density of the weld.

[0020] 4. Improve welding efficiency and automation level The dual-welding head design allows for parallel welding of the same material, significantly improving welding efficiency compared to single-head welding.

[0021] The entire device achieves automated adjustment through multiple motors. Combined with the continuous power supply design such as C-shaped power supply guide groove and power supply rail, it can realize continuous, stable and automated welding operations along the welding path, reduce manual intervention and improve production cycle.

[0022] 5. Ingenious structural design and high reliability All moving parts use guide rails / slots to ensure smooth and precise movement.

[0023] The modular design allows for quick installation and replacement of the welding head via a positioning mounting plate and bolts, facilitating maintenance and adaptability to different welding processes, such as laser welding and plasma welding.

[0024] The design of the limiting arc panel and buffer rubber ring provides mechanical limiting and buffering, enhancing the safety and durability of the system operation.

[0025] 6. Achieve all-position precision welding By combining circumferential rotational motion with the angle and extension fine-tuning of the welding head itself, this device can perform continuous, dead-angle-free, all-position welding of complex three-dimensional curved welds or annular butt joints, meeting the stringent requirements for precision welding in automobile manufacturing. Attached Figure Description

[0026] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0027] Figure 1 This is a top-view three-dimensional structural diagram of a welding device used in automobile manufacturing.

[0028] Figure 2 This is a side view of the three-dimensional structure of a welding device used in automobile manufacturing.

[0029] Figure 3 This is a cross-sectional schematic diagram of a welding device used in automobile manufacturing at the notched circular ring.

[0030] Figure 4 for Figure 3 An enlarged schematic diagram of point a in the middle.

[0031] Figure 5 This is a three-dimensional structural diagram of a multi-position adjustment mechanism and a sequential adjustment welding mechanism in a welding device for automobile manufacturing.

[0032] Figure 6 This is a three-dimensional structural diagram of a multi-position adjustment mechanism in a welding device for automobile manufacturing.

[0033] Figure 7 This is a schematic diagram of a welding device used in automobile manufacturing.

[0034] Figure 8 This is a three-dimensional structural diagram of a sequential adjustment welding mechanism in a welding device for automobile manufacturing.

[0035] Figure 9This is a partial cross-sectional schematic diagram of a welding device for automobile manufacturing at the deflection guide mounting cylinder.

[0036] Figure 10 This is a three-dimensional schematic diagram of an adaptive adjustment welding module in a welding apparatus for automobile manufacturing.

[0037] 1-Fixed mounting plate, 2-Fixed mounting ring, 3-Deflection drive column, 4-Notched ring, 5-Arc-shaped moving plate, 6-Limiting arc panel, 7-Arc-shaped anti-collision rubber strip, 8-Drive telescopic column, 9-C-type rack, 10-C-type limiting guide rail, 11-Working mounting bracket, 12-Buffer rubber ring, 13-Arc-shaped conductive slider, 14-Synchronous drive component, 15-Synchronous drive gear, 16-Modified mounting bracket, 17-First-stage steering drive column, 18-Second-stage steering drive column, 19-Deflection drive motor, 20-Accompanying mounting bracket, 21-Reset arc-shaped rubber rod, 22-Arc-shaped guide cover, 23-C-type power supply guide groove, 24-Accompanying drive column 25-Vibration generator, 26-Spherical transmission disc, 27-Deflection guide mounting cylinder, 28-Displacement guide mounting plate, 29-Steering motor, 30-Steering mounting bracket, 31-Working telescopic column, 32-Welding head, 33-Center partition plate, 34-Spacing adjustment drive motor, 35-Synchronous transmission column, 36-Spacing adjustment stud, 37-Directional guide rail, 38-Working mounting column, 39-Working drive column, 40-Power supply guide rail, 41-Directional guide groove, 42-Guided power supply groove, 43-Spacing adjustment screw hole, 44-Positioning mounting disc, 45-Bolt, 46-Connecting plug, 47-Telescopic power supply line, 48-Power supply plug. Detailed Implementation

[0038] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0039] The following disclosure provides numerous different embodiments or examples for implementing various structures of the invention. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the scope of the invention. Furthermore, reference numerals and / or letters may be repeated in different examples. Such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed.

[0040] Example 1, please refer to Figures 1-5In this embodiment of the invention, a welding device for automobile manufacturing includes a fixed mounting plate 1. A plurality of buffer rubber rings 12 are provided on one side of the fixed mounting plate 1, and a plurality of fixed mounting rings 2 are provided at equal angles on the edge of the fixed mounting plate 1. A deflection drive column 3 is provided on the other side of the fixed mounting ring 2. A notched circular ring 4 is provided at the end of the deflection drive column 3, and a plurality of arc-shaped anti-collision rubber strips 7 are provided at equal intervals on the outer side of the notched circular ring 4. The device also includes a multi-position adjustment mechanism and a sequential adjustment welding mechanism.

[0041] The mounting plate 1 is fixed to the target station by the mounting ring 2. The target station is the welding joint of the parts in automobile manufacturing. Then, the deflection angle of the notched ring 4 on the deflection drive column 3 is adjusted to adjust the initial angle of the multi-position adjustment mechanism. Then, the spatial position and spatial angle of the sequential adjustment welding mechanism are further adjusted by the multi-position adjustment mechanism, so that the sequential adjustment welding mechanism can rotate around the welding joint to adapt to the welding operation of automobile parts of different materials and shapes. The automotive parts to be welded can be clamped by mating together from both sides of the notched ring 4, or they can be moved into the notch of the notched ring 4 after being mated and clamped. The sequential adjustment welding mechanism can fill the adjustment blank area at the notch of the notched ring 4, realizing the turnover welding operation.

[0042] Example 2, based on Example 1, please refer to... Figures 3-6 In this embodiment of the invention, the multiple displacement adjustment mechanism includes an arc-shaped moving plate 5 that is movably arranged inside the notched ring 4. Arc-shaped guide covers 22 are symmetrically arranged at both ends of the outer side of the arc-shaped moving plate 5. C-shaped limiting guide rails 10 are arranged on both sides of the notched ring 4 in conjunction with the arc-shaped guide covers 22. C-shaped power supply guide grooves 23 are arranged on the outer side of the C-shaped limiting guide rails 10. Arc-shaped conductive sliders 13 are arranged on the inner side of the arc-shaped guide covers 22 in conjunction with the C-shaped power supply guide grooves 23. Limiting arc panels 6 are arranged at both ends of the notched ring 4. C-shaped racks 9 are also symmetrically arranged on both sides of the notched ring 4. A plurality of synchronous driving components 14 are arranged at equal angles on the outer side of the arc-shaped guide covers 22. Synchronous driving components 14 are all provided with synchronous driving gears 15 through output shafts. Synchronous driving gears 15 and C-shaped racks 9 on the same side mesh and drive each other. The inner ends of the arc-shaped moving plate 5 are symmetrically provided with displacement mounting brackets 16. A primary steering drive column 17 is rotatably provided on the displacement mounting bracket 16. A drive telescopic column 8 is provided on the primary steering drive column 17. A secondary steering drive column 18 is provided at the outer end of the drive telescopic column 8. The secondary steering drive column 18 and the primary steering drive column 17 are arranged in parallel. A working mounting bracket 11 is rotatably provided in cooperation with the secondary steering drive column 18. The synchronous drive gear 15 is driven to rotate by the synchronous drive component 14. The synchronous drive gear 15 on the same side meshes with the C-shaped rack 9 on the same side, so that the arc-shaped moving plate 5 moves and shifts along the notched ring 4 under the cooperation of the C-shaped limiting guide rail 10 and the arc-shaped guide cover 22. While the arc-shaped guide cover 22 moves on the C-shaped limiting guide rail 10, the C-shaped limiting guide rail 10 and the C-shaped power supply guide groove 23 cooperate to achieve coupled power supply. The limiting arc panel 6 at both ends of the notched ring 4 can restrict the movement of the arc-shaped moving plate 5 and the arc-shaped guide cover 22 on it. As the curved moving plate 5 moves, the sequential adjustment welding mechanism connected to it also moves and changes position. Then, the angle of the drive telescopic column 8 is adjusted by the first-level steering drive column 17. The distance between the sequential adjustment welding mechanism and the automotive parts is controlled by adjusting the length of the drive telescopic column 8. Then, the angle of the work mounting frame 11 is adjusted by the second-level steering drive column 18, thereby adjusting the angle between the sequential adjustment welding mechanism and the welding point of the automotive parts.

[0043] Example 3, based on Example 1, please refer to... Figures 7-10 In this embodiment of the invention, the sequential adjustment welding mechanism is set on the work mounting frame 11, including a deflection drive motor 19 set on the work mounting frame 11. A deflection guide mounting cylinder 27 is set directly opposite the outer end of the deflection drive motor 19. The deflection drive motor 19 is connected to the middle position of the deflection guide mounting cylinder 27 through the output shaft. A middle partition plate 33 is set in the middle position inside the deflection guide mounting cylinder 27. An adaptive adjustment welding module is set in the deflection guide mounting cylinder 27 on both sides of the middle partition plate 33. Two sets of accompanying mounting frames 20 are symmetrically arranged on the working mounting frame 11. Each accompanying mounting frame 20 is rotatably equipped with an accompanying drive column 24. Each accompanying drive column 24 is equipped with a reset arc-shaped rubber rod 21. Each reset arc-shaped rubber rod 21 is equipped with a vibration generator 25 at its outer end. Each vibration generator 25 is equipped with a spherical transmission disk 26 at its outer end. Several synchronous transmission columns 35 are arranged at equal angles on the outer side of the vibration generator 25. The synchronous transmission columns 35 are fitted to the outer side of the spherical transmission disk 26. While multiple displacement adjustment mechanisms perform rotation and position adjustment on the sequential adjustment welding mechanism, the angle of the deflection guide mounting cylinder 27 is adjusted by the deflection drive motor 19 to adjust the degree of misalignment of the adaptive adjustment welding modules at both ends and their distance from the docking point. This allows the welding heads 32 at both ends to perform staggered welding operations at the docking point, adapting to the welding operations of automotive parts made of different materials. Based on the difference in melting points of different materials, as the rotation progresses, the welding head 32 at one end performs a sweeping heat fusion treatment on the high-melting-point automotive parts. At this time, the shortest distance between the welding head 32 at this point and the docking point is greater than that at the welding head 32 at the low-melting-point automotive parts, causing the molten pool on the high-melting-point automotive parts to extend to the low-melting-point automotive parts. The surface of the car parts has not yet been heated by the welding head 32. Under the action of heat transfer and partial heat radiation in the molten pool of the high-melting-point car parts, they slowly melt. As one welding head 32 rotates, the other welding head 32 heats and keeps the low-melting-point car parts, which have initially melted under the action of heat conduction in the high-temperature molten pool, warms and keeps them warm. This ensures that the molten pools of the two car parts have enough time to mix, ensuring the quality of the weld. As the rotation continues, the welding operation is carried out sequentially at the joint of the two car parts. The power of the welding heads 32 at both ends is adjusted according to different materials, which can avoid the traditional device from performing welding operations on the joint of the car parts at the same power at the same time, resulting in an excessively large molten pool of the low-melting-point material, or even melting through, which affects the quality of the weld. When the two materials are the same, the distance between the welding heads 32 at both ends and the joint is the same, and the power is the same. The double welding heads 32 can also significantly improve the welding efficiency.

[0044] As the drive column 24 adjusts the angle of the reset arc-shaped rubber rod 21, the spherical transmission disk 26 at its end comes into contact with the automotive parts on both sides of the docking point. During rotation, it remains in sliding contact with the automotive parts. As the rotation continues, the vibration generator 25 transmits vibration to the spherical transmission disk 26 through the synchronous transmission column 35, causing the automotive parts in contact with it to vibrate locally. This increases the depth of the molten pool and the mixing degree of dissimilar materials in the molten pool per unit time, further improving the welding quality.

[0045] The adaptive adjustment welding module includes a displacement guide mounting plate 28 that is configured to cooperate with the displacement guide mounting plate 28. Two sets of directional guide rails 37 are symmetrically arranged on the inner side of the deflection guide mounting cylinder 27. A directional guide groove 41 is provided on the outer side of the displacement guide mounting plate 28 in cooperation with the directional guide rails 37. Two sets of power supply guide rails 40 are also symmetrically arranged on the inner side of the deflection guide mounting cylinder 27. A guide power supply groove 42 is provided on the outer side of the displacement guide mounting plate 28 in cooperation with the power supply guide rails 40. As the displacement guide mounting plate 28 moves, the directional guide rails 37 and the directional guide grooves 41 cooperate to realize the directional displacement of the displacement guide mounting plate 28. While the displacement moves, the power supply guide rails 40 slide in cooperation with the guide power supply grooves 42 to realize continuous power supply to the displacement guide mounting plate 28. The two ends of the deflection guide mounting cylinder 27 are symmetrically provided with a spacing adjustment drive motor 34. A spacing adjustment stud 36 is provided in the deflection guide mounting cylinder 27 on both sides of the middle partition plate 33. One end of the spacing adjustment stud 36 is connected to the output shaft of the spacing adjustment drive motor 34, and the other end of the spacing adjustment stud 36 is rotatably mounted on the middle partition plate 33. The displacement guide mounting plate 28 is provided with a spacing adjustment screw hole 43 through the spacing adjustment stud 36. The displacement guide mounting plate 28 is provided with a working mounting column 38. A steering motor 29 is provided at one end of the working mounting column 38 that extends out of the deflection guide mounting cylinder 27. A steering mounting bracket 30 is provided on the steering motor 29 through the output shaft. A working drive column 39 is rotatably mounted on the steering mounting bracket 30. A working telescopic column 31 is provided on one side of the working drive column 39. Two positioning mounting discs 44 are provided opposite each other at the end of the working telescopic column 31. The two positioning mounting discs 44 are fixed by bolts 45. One positioning mounting disc 44 is connected to the working telescopic column 31. A welding head 32 is provided on the other positioning mounting disc 44. A connecting plug 46 is provided on one side of the welding head 32. A power supply plug 48 is provided on the displacement guide mounting plate 28. The connecting plug 46 and the power supply plug 48 are connected by a telescopic power supply line 47.

[0046] Specifically, the spacing adjustment drive motors 34 at both ends drive the spacing adjustment studs 36 at both ends respectively, so that the spacing adjustment screw holes 43 cooperate with the rotation of the spacing adjustment studs 36 to move the displacement guide mounting plate 28 within the deflection guide mounting cylinder 27, thereby changing the spacing between the two displacement guide mounting plates 28. Then, the steering motor 29 drives the steering mounting bracket 30 for further angle adjustment, and at the same time, the working telescopic column 31 adjusts the spacing between the welding head 32 and the automotive parts, allowing for independent adjustment of the welding heads 32 at both ends. The welding head 32 can be laser welded or plasma welded. It is fixed to the working telescopic column 31 by two opposing positioning mounting plates 44 and bolts 45. At the same time, it is connected to the power supply socket 48 and the connecting socket 46 respectively through the telescopic power supply line 47 to provide power to the welding head 32.

[0047] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0048] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A welding device for automobile manufacturing, comprising a fixed mounting disc, one side of the fixed mounting disc is provided with a plurality of buffer rubber rings, and the edges of the fixed mounting disc are provided with a plurality of fixed mounting rings at equal angles, characterized in that, The other side of the fixed mounting ring is provided with a deflection driving column, the end of the deflection driving column is provided with a notched ring, the outer side of the notched ring is provided with a plurality of arc-shaped anti-collision rubber strips at equal intervals, and the notched ring further comprises: A plurality of displacement adjusting mechanisms are arranged, including an arc surface moving plate movably arranged on the inner side of the notched ring, two ends of the inner side of the arc surface moving plate are symmetrically provided with displacement mounting frames, a first steering driving column is rotatably arranged on the displacement mounting frame, a driving telescopic column is arranged on the first steering driving column, a second steering driving column is arranged on the outer end of the driving telescopic column, the second steering driving column and the first steering driving column are arranged in parallel, and a work mounting frame is rotatably arranged in cooperation with the second steering driving column; A sequential adjusting and welding mechanism is arranged on the work mounting frame and comprises a deflection driving motor arranged on the work mounting frame, a deflection guide mounting cylinder is oppositely arranged on the outer end of the deflection driving motor, the deflection driving motor is connected with the middle position of the deflection guide mounting cylinder through an output shaft, a middle partition plate is arranged at the inner middle position of the deflection guide mounting cylinder, and adaptive adjusting and welding modules are arranged in the deflection guide mounting cylinder on both sides of the middle partition plate.

2. The welding device for manufacturing an automobile according to claim 1, wherein Two ends of the outer side of the arc surface moving plate are symmetrically provided with arc-shaped guide covers, both sides of the notched ring are provided with C-shaped limiting guide rails in cooperation with the arc-shaped guide covers, and the outer sides of the C-shaped limiting guide rails are provided with C-shaped power supply guide grooves.

3. The welding device for manufacturing an automobile according to claim 2, wherein Both ends of the notched ring are provided with limiting arc surface plates.

4. The welding apparatus for manufacturing an automobile according to claim 3, wherein Both sides of the notched ring are also symmetrically provided with C-shaped racks, a plurality of synchronous driving members are arranged at equal angles on the outer side of the arc-shaped guide cover, the synchronous driving members are provided with synchronous driving gears through output shafts, and the synchronous driving gears on the same side are in meshing transmission with the C-shaped racks.

5. The welding device for manufacturing an automobile according to claim 1, wherein Two groups of accompanying mounting frames are symmetrically arranged on the work mounting frame, an accompanying driving column is rotatably arranged on each of the accompanying mounting frames, a reset arc-shaped rubber rod is arranged on each of the accompanying driving columns, a vibration generator is arranged on the outer end of each of the reset arc-shaped rubber rods, a spherical transmission disc is arranged on the outer end of each of the vibration generators, a plurality of synchronous transmission columns are arranged at equal angles on the outer side of the vibration generator, and the synchronous transmission columns are arranged on the outer side of the spherical transmission disc.

6. The welding apparatus for manufacturing an automobile according to claim 1, wherein The adaptive adjusting and welding module comprises a displacement guide mounting plate arranged in cooperation with the deflection guide mounting cylinder, two groups of directional guide rails are symmetrically arranged on the inner side of the deflection guide mounting cylinder, and directional guide grooves are arranged on the outer side of the displacement guide mounting plate in cooperation with the directional guide rails.

7. The welding apparatus for manufacturing an automobile according to claim 6, wherein Two groups of power supply guide rails are also symmetrically arranged on the inner side of the deflection guide mounting cylinder, and guide power supply grooves are arranged on the outer side of the displacement guide mounting plate in cooperation with the power supply guide rails.

8. The welding apparatus for manufacturing an automobile according to claim 7, wherein Interval adjusting driving motors are symmetrically arranged at both ends of the deflection guide mounting cylinder, interval adjusting studs are arranged in the deflection guide mounting cylinder on both sides of the middle partition plate, one end of the interval adjusting stud is connected with the output shaft of the interval adjusting driving motor, the other end of the interval adjusting stud is rotatably mounted on the middle partition plate, and the displacement guide mounting plate penetrates the interval adjusting stud and is provided with an interval adjusting screw hole in cooperation with the interval adjusting stud.

9. The welding apparatus for manufacturing an automobile according to claim 8, wherein The work mounting column is provided on the variable-position guide mounting plate, one end of the work mounting column extending out of the deflection guide mounting cylinder is provided with a steering motor, the steering motor is provided with a steering mounting frame through an output shaft, the steering mounting frame is rotationally provided with a work driving column, one side of the work driving column is provided with a work telescopic column, and the end of the work telescopic column is provided opposite with two positioning mounting discs.

10. The welding apparatus for manufacturing an automobile according to claim 9, wherein One side of the welding head is provided with a connecting plug, and the variable-position guide mounting plate is provided with a power supply plug, and the connecting plug and the power supply plug are connected through a telescopic power supply line.

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