Frame assembly welding tool

Abstract

The invention is suitable for the technical field of automobile production, and provides a frame assembly welding tool which comprises a base arranged beside frame assembly welding equipment, a placing plate is arranged over the base and used for placing a frame assembly, a plurality of supporting rods are fixedly installed between the placing plate and the base, and a containing groove is formed in the base; the swing arm is arranged in the containing groove, can swing and is used for adjusting the fixing position of the frame assembly during swinging; and the extension arm is arranged on the swing arm and can slide along the swing arm. According to the frame assembly welding tool provided by the scheme, through swinging of the swing arm and stretching and retracting of the extension arm, flexible adjustment of the position of the fixing mechanism is achieved, the frame assembly welding tool can adapt to frame assemblies of different sizes, and the universality and flexibility of equipment are improved; and meanwhile, hindering of a fixing part to welding operation is avoided, it is ensured that the working path of welding equipment is not limited, and the welding quality and the production efficiency are remarkably improved.

Description

Technical Field

[0001] The invention belongs to the technical field of automobile production, and in particular relates to a frame assembly welding tool. Background Art

[0002] In the process of automobile production and processing, the welding of frame assembly is one of the important production and processing links.

[0003] Traditional frame assembly welding tooling has fixed positions on the frame assembly and lacks flexibility. When producing different types of cars and needing to adapt to frame assemblies of different sizes, the tooling cannot be adjusted in time, and the fixed parts of the tooling are often designed to be fixed, which may conflict with the working path of the welding equipment, limit the working space of the welding equipment, and reduce welding efficiency and quality. Summary of the invention

[0004] In order to solve the technical problems that the fixing parts of the frame assembly in the traditional frame assembly welding tool are often designed to be fixed, which makes it difficult to adapt to frame assemblies of different sizes, and its non-adjustability may hinder the welding path of the welding equipment, the present invention provides a frame assembly welding tool.

[0005] The present invention is implemented as follows: a frame assembly welding tool comprises: a base arranged beside the frame assembly welding equipment, a placement plate arranged just above the base for placing the frame assembly, a plurality of support rods fixedly installed between the placement plate and the base, a receiving groove being provided on the base; a swing arm arranged in the receiving groove and capable of swinging, for adjusting the fixed position of the frame assembly during swinging; an extension arm arranged on the swing arm and capable of sliding along the swing arm, a height adjustment mechanism being provided on the extension arm for timely adjustment according to the height of the frame assembly; a fixing mechanism arranged on the height adjustment mechanism for fixing the frame assembly; and the fixing mechanism can be adjusted according to the size of different frame assemblies through the cooperation of the swinging of the swing arm and the extension of the extension arm. The position of the structure can be adjusted, and at the same time, it can also avoid obstruction to the welding operation; wherein, the swing arm and the extension arm are each provided with four, and the base is equipped with a swing mechanism for swinging the four swing arms simultaneously, and the swing mechanism comprises: a central shaft that is rotatably mounted on the bottom of the base and extends into the accommodating groove, and the four swing arms are rotatably sleeved on the four central shafts respectively, and one end of the four swing arms are semicircular and fixedly mounted with semicircular gears, and the four semicircular gears are meshed in pairs; a double-axis motor fixedly mounted on the bottom of the base; two connecting shafts respectively fixedly mounted on the two output shafts of the double-axis motor; four bevel gears respectively fixedly sleeved on the ends of the two connecting shafts away from each other and the bottom ends of the corresponding two central shafts, and the four bevel gears are meshed in pairs.

[0006] Preferably, a mounting groove is provided on the swing arm, and first sliding grooves are opened on the inner walls on both sides of the mounting groove, the two sides of the extension arm are located in the two first sliding grooves and are respectively slidably connected to the two first sliding grooves, and a telescopic mechanism is provided in the mounting groove for telescoping the extension arm.

[0007] Preferably, the telescopic mechanism includes an adjusting motor and a screw, the adjusting motor is fixedly installed in the mounting groove of the swing arm, the screw is fixedly connected to the output shaft of the adjusting motor, an opening is provided on the extension arm, the adjusting motor passes through the opening, and the opening allows the extension arm to be telescoped without being hindered by the adjusting motor. The extension arm is threadedly sleeved on the screw.

[0008] Preferably, a plurality of first bearing seats are fixedly installed at the bottom of the base, and the two connecting shafts are rotatably connected to the plurality of first bearing seats respectively; two second bearing seats are fixedly installed in the mounting groove of the swing arm, and the screw rod is rotatably connected to the two second bearing seats.

[0009] Preferably, the height adjustment mechanism is also set to four, and the height adjustment mechanism includes: a first L-shaped seat fixedly installed on the top of the extension arm, and a second slide groove is opened on the top of the first L-shaped seat; a second L-shaped seat is slidably installed in the second slide groove, and the second L-shaped seat is adapted to the second slide groove; a lifting cylinder fixedly installed on the first L-shaped seat, and the top end of the output rod of the lifting cylinder is fixedly connected to the second L-shaped seat.

[0010] Preferably, the fixing mechanism is also set to four, and the fixing mechanism includes: an L-shaped plate fixedly installed on the top of the second L-shaped seat, a support block is arranged on the top of the L-shaped plate, the support block is integrally formed with the L-shaped plate, and a fixed shaft is fixedly installed on one side of the support block; a fixed cylinder is arranged above the L-shaped plate, and two hinged hinge blocks are fixedly installed between the fixed cylinder and the L-shaped plate; an hinge seat fixedly installed on the top of the output rod of the fixed cylinder; a pressure rod hinged on the hinge seat, and the pressure rod is rotatably sleeved on the fixed shaft; a pressure block used to contact the frame assembly and apply pressure to it, the pressure block is fixedly installed on the pressure rod, and the pressure block is made of rubber.

[0011] Preferably, the tops of the four extension arms are each provided with auxiliary support mechanisms that cooperate with each other and are used to support the frame assembly. The four auxiliary support mechanisms can adjust the support range according to the swinging of the swing arm and the extension and retraction of the extension arm. The auxiliary support mechanism comprises: a support column fixedly mounted on the top of the extension arm, a mounting shaft fixedly mounted on the top of the support column; a support plate rotatably mounted on the mounting shaft, two rotating rods rotatably mounted on the bottom of the support plate; two connecting blocks rotatably mounted on the two rotating rods respectively; fixed rods are fixedly mounted on the two connecting blocks; two support plates fixedly mounted on the two fixed rods respectively, the two support plates have the same thickness and different widths, the tops of the support plate and the two support plates are flush with the top of the placement plate, and are used to support the frame assembly at the same time; wherein any two adjacent support plates are slidably connected to each other and are retractable.

[0012] Preferably, among any two adjacent support plates, the support plate with a wider width is provided with a accommodating opening, and third sliding grooves are provided on the inner walls on both sides of the accommodating opening; the support plate with a narrower width is arranged in the accommodating opening, and sliding bars are provided on both sides, the two sliding bars are integrally formed with the support plate, and the two sliding bars are respectively slidably connected with the two third sliding grooves, thereby realizing the extension and retraction of the two support plates.

[0013] Preferably, a plurality of supporting legs are fixedly mounted on the bottom of the base for supporting the base, and anti-slip pads are fixedly mounted on the bottom ends of the supporting legs.

[0014] Compared with the related art, the frame assembly welding tool provided by the present invention has the following beneficial effects: Flexibility of the swing arm and the extension arm: The swing arm can be swung and adjusted by setting a swing mechanism, and the extension arm can be extended and retracted by setting a telescopic mechanism, so as to realize flexible adjustment of the fixing point of the frame assembly to adapt to the fixation of frame assemblies of different sizes, and the position of the fixing mechanism can be adjusted according to the welding path of the welding equipment, avoiding the conflict between the fixing mechanism and the operation path of the welding equipment; Through the height adjustment mechanism, the height of the fixing mechanism can be adjusted according to the height of the fixing point of the workshop assembly to meet the actual production needs; By setting four auxiliary support mechanisms to cooperate with the adjustment of the swing arm and the extension arm, the support range of the frame assembly can be adjusted to provide stable support for it and avoid instability of the frame during welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A front view structural schematic diagram of a frame assembly welding tool provided by the present invention; Figure 2 A schematic diagram of the formal cross-sectional structure of a vehicle frame assembly welding tool provided by the present invention; Figure 3 Another front view structural schematic diagram of a vehicle frame assembly welding tool provided by the present invention; Figure 4 It is a schematic diagram of the structure of the height adjustment mechanism and the fixing mechanism in the present invention; Figure 5 A bottom view structural schematic diagram of a vehicle frame assembly welding tool provided by the present invention; Figure 6 A schematic diagram of a cross-sectional structure of a frame assembly welding tool provided by the present invention; Figure 7 for Figure 6 An enlarged structural diagram of part A shown in FIG. Figure 8 It is a schematic diagram of a top view and cross-section structure of the base in the present invention; Fig. 9 It is a schematic diagram of the three-dimensional structure of the L-shaped plate, the support block and the fixed shaft in the present invention; Fig.10 It is a schematic diagram of the cross-sectional structure of the telescopic mechanism, the swing arm and the extension arm in the present invention; Fig.11 It is a side view structural schematic diagram of the swing arm in the present invention; Fig.12 It is a side view assembly diagram of the swing arm and the extension arm in the present invention; Fig.13 A front structural schematic diagram of another embodiment of a frame assembly welding tool provided by the present invention; Fig.14 It is a schematic diagram of a top view and a cross-sectional structure of the auxiliary support mechanism in the present invention; Fig.15 It is a bottom view of the assembly of the support disc and the support plate in the present invention.

[0016] 1. Base; 2. Swing arm; 3. Extension arm; 4. Height adjustment mechanism; 5. Fixing mechanism; 11. Support rod; 12. Placement plate; 13. Receiving groove; 14. Support leg; 21. Middle axis; 22. Semicircular gear; 23. Double-axis motor; 24. Connecting shaft; 25. Bevel gear; 31. Adjusting motor; 32. Screw; 41. First L-shaped seat; 42. Second L-shaped seat; 43. Lifting cylinder; 51. L-shaped plate; 52. Fixed cylinder; 53. Articulated block; 54. Articulated seat; 55. Pressure rod; 56. Support block; 57. Fixed shaft; 58. Pressure block; 61. Support column; 62. Mounting shaft; 63. Support plate; 64. Turntable; 65. Connecting block; 66. Fixed rod; 67. Support plate; 68. Slide bar. DETAILED DESCRIPTION

[0017] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification of this application and the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0018] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0019] The embodiment of the present invention provides a frame assembly welding tool, such as Figure 1-15 As shown, the frame assembly welding tool comprises: a base 1 arranged beside the frame assembly welding equipment, a placement plate 12 is arranged directly above the base 1 for placing the frame assembly, a plurality of support rods 11 are fixedly installed between the placement plate 12 and the base 1, and a receiving groove 13 is opened on the base 1; a swing arm 2 arranged in the receiving groove 13 and swingable, for adjusting the fixed position of the frame assembly during swinging; an extension arm 3 installed on the swing arm 2 and slidable along the swing arm 2, and a height adjustment mechanism 4 is installed on the extension arm 3 for timely adjustment according to the height of the frame assembly; a fixing mechanism 5 arranged on the height adjustment mechanism 4 for adjusting the frame assembly The fixing mechanism 5 is fixed; through the swinging of the swing arm 2 and the extension of the extension arm 3, the position of the fixing mechanism 5 can be adjusted according to the size of different frame assemblies, and the welding operation can also be avoided from being hindered; wherein, the swing arm 2 and the extension arm 3 are each provided with four, and the base 1 is equipped with a swing mechanism for swinging the four swing arms 2 at the same time, and the swing mechanism comprises: a central shaft 21 which is rotatably mounted on the bottom of the base 1 and extends into the receiving groove 13, and the four swing arms 2 are rotatably sleeved on the four central shafts 21 respectively, and one end of the four swing arms 2 is semicircular and fixedly mounted with a semicircular gear 22, and the four semicircular gears 22 are meshed in pairs (as shown in the attached figure). Figure 7 As shown, the four swing arms 2 are respectively arranged as two 2a and two 2b, and the semicircular gears 22 on the two 2a are meshed with each other, as shown in the attached Figure 8As shown); a dual-axis motor 23 fixedly mounted on the bottom of the base 1; two connecting shafts 24 respectively fixedly mounted on the two output shafts of the dual-axis motor 23; four bevel gears 25 respectively fixedly mounted on the ends of the two connecting shafts 24 away from each other and the bottom ends of the corresponding two middle shafts 21, and the four bevel gears 25 are meshed in pairs.

[0020] In this embodiment, the base 1 is used as the basic structure of the entire tooling, and a swingable swing arm 2 is installed in the receiving groove 13 provided thereon. The swinging ability of the swing arm 2 enables the fixed position of the frame assembly to be flexibly adjusted. The extension arm 3 installed on the swing arm 2 can not only slide along the swing arm 2, but also be equipped with a height adjustment mechanism 4 to ensure timely adjustment according to the height of the frame assembly. The fixing mechanism 5 is arranged on the height adjustment mechanism 4 to firmly fix the frame assembly. Its position can be adjusted by the swinging of the swing arm 2 and the telescopic extension arm 3, effectively adapting to frame assemblies of different sizes, avoiding obstruction to the welding operation, and significantly improving the flexibility and operation efficiency of welding. The placement plate 12 is fixedly connected to the base 1 through a plurality of support rods 11, providing a stable placement platform for the frame assembly, and the coordinated use of the swing arm 2 and the extension arm 3 realizes the versatility and flexibility of the tooling, ensures the freedom of the operation path of the welding equipment, thereby improving the welding quality and production efficiency, and providing an efficient and flexible welding solution for the automobile manufacturing industry.

[0021] In addition, by setting four swing arms 2 and four extension arms 3, the adaptability and stability of the tooling are significantly enhanced. The swing mechanism assembled on the base 1 includes a dual-axis motor 23 fixed to the bottom of the base 1, and two connecting shafts 24 respectively fixed to the two output shafts of the dual-axis motor 23. The connecting shaft 24 is connected to the four bevel gears 25 at the bottom of the four middle shafts 21, ensuring the synchronous swing of the four swing arms 2. One end of each swing arm 2 is semicircular and fixed with a semicircular gear 22. The design of two-to-two meshing makes the swing of the swing arm 2 more precise and coordinated. Driven by the dual-axis motor 23, the four swing arms 2 can swing synchronously, effectively adjusting the fixed position of the frame assembly, cooperating with the sliding of the extension arm 3 to achieve the adjustment of the fixing mechanism 5, realizing flexible adaptation to frame assemblies of different sizes, avoiding obstacles to welding operations, greatly improving the flexibility and operating efficiency of the welding process, and providing a more efficient and accurate welding solution for automobile manufacturing.

[0022] In a further preferred embodiment of the present invention, a mounting groove is provided on the swing arm 2, and first sliding grooves are opened on the inner walls on both sides of the mounting groove, the two sides of the extension arm 3 are located in the two first sliding grooves and are respectively slidably connected to the two first sliding grooves, and a telescopic mechanism is provided in the mounting groove for telescoping the extension arm 3.

[0023] In this embodiment, the frame assembly welding tooling is further optimized, and the specially designed installation groove on the swing arm 2 and the first slide grooves on both sides thereof allow the extension arm 3 to slide therein, thereby realizing the flexible extension and retraction of the extension arm 3 along the swing arm 2. The ingenious design of the telescopic mechanism ensures that the extension arm 3 is adjusted in time according to the size of the frame assembly, which not only enhances the adaptability of the tooling, but also ensures the barrier-free progress of the welding operation. Through the swing of the swing arm 2 and the telescopic coordination of the extension arm 3, the tooling can accurately position frame assemblies of different sizes, ensure the precise adjustment of the fixing mechanism 5, avoid obstruction to the welding path, effectively improve the welding quality and efficiency, and provide a more flexible and efficient welding solution for the automobile manufacturing industry.

[0024] In a further preferred embodiment of the present invention, the telescopic mechanism includes an adjusting motor 31 and a screw 32, the adjusting motor 31 is fixedly installed in the mounting groove of the swing arm 2, the screw 32 is fixedly connected to the output shaft of the adjusting motor 31, an opening is provided on the extension arm 3, the adjusting motor 31 passes through the opening, and the opening allows the extension arm 3 to be telescoped without being hindered by the adjusting motor 31. The extension arm 3 is threadedly sleeved on the screw 32.

[0025] In this embodiment, the frame assembly welding tooling realizes efficient automatic extension and retraction of the extension arm 3 through the ingenious design of the telescopic mechanism, including the adjustment motor 31 and the screw 32. The adjustment motor 31 is fixed in the mounting groove of the swing arm 2, and its output shaft is fixedly connected to the screw 32, and the extension arm 3 is threadedly sleeved on the screw 32. This design allows the extension arm 3 to perform precise linear motion along the screw 32 under the drive of the adjustment motor 31, which not only ensures the smoothness of the extension and retraction, but also avoids mutual obstruction with the adjustment motor 31, and realizes the rapid adaptation of the tooling to the size changes of the frame assembly. This high-precision telescopic adjustment, combined with the swing of the swing arm 2, enables the fixing mechanism 5 to accurately fix frame assemblies of different sizes, avoiding obstructions in welding operations.

[0026] In a further preferred embodiment of the present invention, a plurality of first bearing seats are fixedly installed at the bottom of the base 1, and the two connecting shafts 24 are rotatably connected to the plurality of first bearing seats respectively; two second bearing seats are fixedly installed in the mounting groove of the swing arm 2, and the screw 32 is rotatably connected to the two second bearing seats.

[0027] In this embodiment, the frame assembly welding fixture ensures that the two connecting shafts 24 of the dual-axis motor 23 can rotate stably through the first bearing seat fixed at the bottom of the base 1, thereby enhancing the stability and reliability of the swing mechanism. At the same time, the second bearing seat arranged in the mounting groove of the swing arm 2 enables the screw rod 32 to rotate smoothly, ensuring the smoothness and accuracy of the extension arm 3. The ingenious application of this series of bearing seats not only improves the overall mechanical performance of the fixture, but also ensures the flexibility and stability of the swing of the swing arm 2 and the extension of the extension arm 3, thereby realizing the precise positioning and stable fixation of the frame assembly by the fixing mechanism 5.

[0028] In a further preferred embodiment of the present invention, the height adjustment mechanism 4 is also provided in four pieces, and the height adjustment mechanism 4 includes (as shown in the attached Figure 4 As shown): a first L-shaped seat 41 fixedly mounted on the top of the extension arm 3, a second slide groove is opened on the top of the first L-shaped seat 41; a second L-shaped seat 42 is slidably mounted in the second slide groove, and the second L-shaped seat 42 is adapted to the second slide groove; a lifting cylinder 43 fixedly mounted on the first L-shaped seat 41, and the top end of the output rod of the lifting cylinder 43 is fixedly connected to the second L-shaped seat 42.

[0029] In this embodiment, the frame assembly welding fixture is further optimized, and four height adjustment mechanisms are adopted, each of which includes a first L-shaped seat 41 fixed on the top of the extension arm 3, a second slide groove is provided on the top, a second L-shaped seat 42 slidingly matched with the first L-shaped seat 41, and a lifting cylinder 43 fixed on the first L-shaped seat 41, whose output rod is connected to the second L-shaped seat 42. This design allows the fixing mechanism 5 to be adjusted quickly and accurately in the vertical direction to adapt to frame assemblies of different heights, ensures the unobstructed welding path, and significantly improves the flexibility and efficiency of the welding operation. At the same time, the use of the L-shaped seat not only provides stable support, but also ensures smoothness during the adjustment process, further optimizes the performance of the welding fixture, provides an efficient and accurate welding solution for the automotive manufacturing industry, and effectively improves production efficiency and welding quality.

[0030] In a further preferred embodiment of the present invention, the fixing mechanism 5 is also provided with four, and the fixing mechanism 5 includes (as shown in the attached Figure 4As shown): an L-shaped plate 51 fixedly mounted on the top of the second L-shaped seat 42, a support block 56 is arranged on the top of the L-shaped plate 51, the support block 56 is integrally formed with the L-shaped plate 51, and a fixed shaft 57 is fixedly mounted on one side of the support block 56; a fixed cylinder 52 is arranged above the L-shaped plate 51, and two hinged hinge blocks 53 are fixedly mounted between the fixed cylinder 52 and the L-shaped plate 51; an articulated seat 54 fixedly mounted on the top of the output rod of the fixed cylinder 52; a pressure rod 55 hinged on the articulated seat 54, and the pressure rod 55 is rotatably sleeved on the fixed shaft 57; a pressure block 58 for contacting with the frame assembly to apply pressure thereto, the pressure block 58 is fixedly mounted on the pressure rod 55, and the pressure block 58 is made of rubber.

[0031] In this embodiment, the number of fixing mechanisms 5 of the frame assembly welding fixture is four, and each fixing mechanism 5 is composed of an L-shaped plate 51 fixed on the top of the second L-shaped seat 42, on which a support block 56 and a fixed shaft 57 integrally formed therewith are provided. The fixing cylinder 52 is located above the L-shaped plate 51, and is connected to the L-shaped plate 51 through two hinge blocks 53. The output rod of the fixing cylinder 52 is connected to the hinge seat 54, and a pressure rod 55 is hinged on the hinge seat 54. The pressure rod 55 is rotatably sleeved on the fixed shaft 57, and a pressure block 58 is fixedly installed on the pressure rod 55, and the pressure block 58 is made of rubber. This design ensures that the fixing mechanism can accurately and stably apply pressure to fix the frame assembly, and the rubber pressure block 58 can provide sufficient fixing force while avoiding damage to the frame assembly, thereby ensuring the stability and integrity of the frame assembly during welding. By extending the output rod of the fixed cylinder 52, the pressure rod 55 is driven to rotate on the fixed shaft 57, so that one end of the pressure rod 55 and the pressure block 58 thereon are lowered, thereby achieving pressure fixation of the frame assembly. This design significantly improves the fixing efficiency of the frame assembly.

[0032] In a further preferred embodiment of the present invention, the tops of the four extension arms 3 are all provided with auxiliary support mechanisms (such as the attached Figure 13-15As shown), it is used to support the frame assembly, and the four auxiliary support mechanisms can adjust the support range according to the swing of the swing arm 2 and the extension and retraction of the extension arm 3. The auxiliary support mechanism includes: a support column 61 fixedly mounted on the top of the extension arm 3, and a mounting shaft 62 is fixedly mounted on the top of the support column 61; a support plate 63 rotatably mounted on the mounting shaft 62, and two rotating rods 64 are rotatably mounted on the bottom of the support plate 63; two connecting blocks 65 rotatably mounted on the two rotating rods 64 respectively; a fixing rod 66 is fixedly mounted on the two connecting blocks 65; two support plates 67 fixedly mounted on the two fixing rods 66 respectively, and the two support plates 67 have the same thickness and different widths, and the tops of the support plate 63 and the two support plates 67 are flush with the top of the placement plate 12, and are used to support the frame assembly at the same time; wherein, any two adjacent support plates 67 are slidably connected to each other and are retractable.

[0033] In this embodiment, the welding fixture of the vehicle frame assembly is further optimized, and the tops of the four extension arms 3 are equipped with mutually cooperating auxiliary support mechanisms, which can adjust the support range according to the swing of the swing arm 2 and the telescopic extension of the extension arm 3. The auxiliary support mechanism includes a support column 61 fixed to the top of the extension arm 3, and a mounting shaft 62 is installed on the top of the support column 61, and a support plate 63 is rotatably sleeved on the mounting shaft 62. Two rotating rods 64 are installed at the bottom of the support plate 63, and a connecting block 65 is sleeved on the rotating rod 64. A fixing rod 66 is fixed on the connecting block 65, and a supporting plate 67 is sleeved on the fixing rod 66. The supporting plate 67 has the same thickness but different widths, and the tops of the supporting plate 63 and the supporting plate 67 are flush with the placement plate 12, and jointly support the vehicle frame assembly. Any two adjacent support plates 67 are slidably connected to each other and are retractable, which ensures the flexibility and adaptability of the auxiliary support mechanism and can adjust the support range as the size of the frame assembly changes, which not only improves the stability of the frame assembly placement, but also ensures the barrier-free welding operation, significantly improves the welding quality and production efficiency, provides a more flexible and efficient welding tooling solution for the automobile manufacturing industry, and meets the demand for high adaptability of tooling in modern automobile manufacturing.

[0034] In a further preferred embodiment of the present invention, (as shown in the attached Fig.14 Among any two adjacent support plates 67 (as shown in the figure), the wider support plate 67 is provided with a receiving opening, and third sliding grooves are provided on the inner walls on both sides of the receiving opening; the narrower support plate 67 is arranged in the receiving opening, and sliding bars 68 are provided on both sides, and the two sliding bars 68 are integrally formed with the support plate 67, and the two sliding bars 68 are respectively slidably connected with the two third sliding grooves, thereby realizing the extension and retraction of the two support plates 67.

[0035] In this embodiment, in the auxiliary support mechanism of the frame assembly welding tooling, any two adjacent support plates 67 are cleverly designed, a wider support plate 67 is provided with a receiving port, and the inner walls on both sides thereof are provided with a third slide groove, while the narrower support plate 67 is arranged in the receiving port, and a slide bar 68 is integrally formed on both sides thereof, and the slide bar 68 is slidably connected with the third slide groove, so as to realize the telescopic function between the two support plates 67. This design ensures that the auxiliary support mechanism can flexibly adapt to frame assemblies of different sizes, and through a simple and effective sliding connection, it not only provides accurate size adjustment capability, but also ensures the stability of the support and the flatness of the frame assembly placement, avoids any displacement during the welding process, and significantly improves the welding accuracy and efficiency. At the same time, this telescopic mechanism further optimizes the space utilization of the tooling, enhances the adaptability to frame assemblies of various specifications, provides a more efficient and flexible welding tooling solution for the automotive manufacturing industry, and meets the needs of modern production lines for high adaptability of tooling.

[0036] In a further preferred embodiment of the present invention, a plurality of supporting legs 14 are fixedly mounted on the bottom of the base 1 for supporting the base 1 , and anti-slip pads are fixedly mounted on the bottom ends of the supporting legs 14 .

[0037] In this embodiment, a plurality of support legs 14 are fixedly mounted at the bottom of the base 1 of the frame assembly welding tool, and a non-slip pad is installed at the bottom end of each support leg 14. This design significantly enhances the stability and non-slip performance of the tool as a whole. The setting of the support legs 14 not only provides a stable support for the base 1, ensuring the stability of the tool during use, but also the non-slip pad further enhances the friction with the ground, preventing any slight movement of the tool during welding operation, and plays a key role in improving welding accuracy and production safety.

[0038] It is worth noting that the circuits, electronic components and modules involved in the present invention are all prior art, and those skilled in the art can fully implement them. Needless to say, the content protected by the present invention does not involve improvements to software and methods. The present solution also provides a controller, which is disposed on the equipment. When in use, each electrical device can be started and operated separately through the controller. The power connection method of each electrical device is an existing mature technology, which is a well-known technology for personnel in this field. The control circuit of the controller can be realized by simple programming by technical personnel in this field, and no unnecessary details are given here.

[0039] In summary, compared with the related art, the present invention combines the swing mechanism with the telescopic mechanism, so that the swing arm 2 and the extension arm 3 can be flexibly adjusted to match the fixed points of the frame assembly of different sizes. At the same time, the position of the fixing mechanism 5 can be adjusted according to the operation path of the welding equipment, effectively avoiding the conflict with the path of the welding equipment; The setting of the height adjustment mechanism 4 enables the tooling to be adjusted according to the height of the fixed point of the frame assembly, ensuring the smooth progress of the welding operation and meeting the diversity of production needs; The linkage of the four auxiliary support mechanisms with the swing arm 2 and the extension arm 3 realizes the dynamic adjustment of the support range, provides stable support for the frame assembly, ensures the stability during the welding process, and avoids welding quality problems caused by insufficient support.

[0040] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.

[0041] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also belong to the scope of protection of the present invention.

Claims

1. A frame assembly welding tool, characterized in that: include: A base (1) is arranged next to the frame assembly welding equipment, a placement plate (12) is arranged directly above the base (1) for placing the frame assembly, a plurality of support rods (11) are fixedly installed between the placement plate (12) and the base (1), and a receiving groove (13) is provided on the base (1); A swing arm (2) disposed in the receiving groove (13) and capable of swinging, and used for adjusting the fixed position of the frame assembly when swinging; An extension arm (3) mounted on the swing arm (2) and slidable along the swing arm (2), wherein the extension arm (3) is equipped with a height adjustment mechanism (4) for timely adjustment according to the height of the frame assembly; A fixing mechanism (5) disposed on the height adjustment mechanism (4) and used for fixing the vehicle frame assembly; Wherein, the swing arms (2) and the extension arms (3) are each provided in four numbers, and the base (1) is equipped with a swing mechanism for swinging the four swing arms (2) simultaneously, and the swing mechanism comprises: A central shaft (21) is rotatably mounted on the bottom of the base (1) and extends into the receiving groove (13); four swing arms (2) are rotatably sleeved on the four central shafts (21), and one end of each of the four swing arms (2) is semicircular and fixedly mounted with a semicircular gear (22); the four semicircular gears (22) are meshed in pairs; A dual-axis motor (23) fixedly mounted on the bottom of the base (1); Two connecting shafts (24) respectively fixedly mounted on two output shafts of the dual-shaft motor (23); Four bevel gears (25) are respectively fixedly mounted on ends of the two connecting shafts (24) that are away from each other and on the bottom ends of the corresponding two middle shafts (21), and the four bevel gears (25) are meshed in pairs.

2. The frame assembly welding tool as claimed in claim 1, characterized in that: The swing arm (2) is provided with a mounting groove, and first sliding grooves are provided on both inner walls of the mounting groove. Both sides of the extension arm (3) are located in the two first sliding grooves and are respectively slidably connected to the two first sliding grooves. A telescopic mechanism is provided in the mounting groove for telescoping the extension arm (3).

3. The frame assembly welding tool as claimed in claim 2, characterized in that: The telescopic mechanism comprises an adjusting motor (31) and a screw (32); the adjusting motor (31) is fixedly mounted in a mounting groove of the swing arm (2); the screw (32) is fixedly connected to an output shaft of the adjusting motor (31); an opening is provided on the extension arm (3); the adjusting motor (31) passes through the opening; the opening allows the extension arm (3) to be telescopic without being hindered by the adjusting motor (31). The extension arm (3) is threadedly sleeved on the screw (32).

4. The frame assembly welding tool as claimed in claim 3, characterized in that: A plurality of first bearing seats are fixedly mounted on the bottom of the base (1), and the two connecting shafts (24) are rotatably connected to the plurality of first bearing seats respectively; two second bearing seats are fixedly mounted in the mounting groove of the swing arm (2), and the screw rod (32) is rotatably connected to the two second bearing seats.

5. The frame assembly welding tool as claimed in claim 1, characterized in that: The height adjustment mechanism (4) is also provided in four numbers, and the height adjustment mechanism (4) comprises: A first L-shaped seat (41) fixedly mounted on the top of the extension arm (3), wherein a second sliding groove is provided on the top of the first L-shaped seat (41); A second L-shaped seat (42) slidably mounted in the second slide groove, wherein the second L-shaped seat (42) is adapted to fit the second slide groove; A lifting cylinder (43) is fixedly mounted on the first L-shaped seat (41), and the top end of an output rod of the lifting cylinder (43) is fixedly connected to the second L-shaped seat (42).

6. The frame assembly welding tool as claimed in claim 5, characterized in that: The fixing mechanism (5) is also provided in four pieces, and the fixing mechanism (5) comprises: an L-shaped plate (51) fixedly mounted on the top of the second L-shaped seat (42), a support block (56) being arranged on the top of the L-shaped plate (51), the support block (56) being integrally formed with the L-shaped plate (51), and a fixed shaft (57) being fixedly mounted on one side of the support block (56); A fixed cylinder (52) is arranged above the L-shaped plate (51), and two hinged hinge blocks (53) are fixedly installed between the fixed cylinder (52) and the L-shaped plate (51); A hinged seat (54) fixedly mounted on the top end of the output rod of the fixed cylinder (52); A pressure rod (55) hinged on the hinge seat (54), wherein the pressure rod (55) is rotatably sleeved on the fixed shaft (57); A pressure block (58) is used for contacting the frame assembly to apply pressure thereto, wherein the pressure block (58) is fixedly mounted on the pressure rod (55), and the pressure block (58) is made of rubber.

7. The frame assembly welding tool as claimed in claim 1, characterized in that: The tops of the four extension arms (3) are each provided with auxiliary support mechanisms that cooperate with each other and are used to support the frame assembly. The four auxiliary support mechanisms can adjust the support range according to the swing of the swing arm (2) and the extension of the extension arm (3). The auxiliary support mechanisms include: A support column (61) fixedly mounted on the top of the extension arm (3), wherein a mounting shaft (62) is fixedly mounted on the top of the support column (61); A support plate (63) rotatably sleeved on the mounting shaft (62), wherein two rotating rods (64) are rotatably mounted on the bottom of the support plate (63); Rotating two connecting blocks (65) respectively sleeved on the two rotating rods (64); A fixing rod (66) is fixedly mounted on each of the two connecting blocks (65); Two support plates (67) are respectively fixedly sleeved on the two fixing rods (66), the two support plates (67) have the same thickness but different widths, the tops of the support plate (63) and the two support plates (67) are flush with the top of the placement plate (12), and are used to support the frame assembly; Any two adjacent support plates (67) are slidably connected to each other and are retractable.

8. The frame assembly welding tool as claimed in claim 7, characterized in that: Of any two adjacent support plates (67), the support plate (67) with a wider width is provided with an accommodation opening, and inner walls on both sides of the accommodation opening are provided with third sliding grooves; the support plate (67) with a narrower width is arranged in the accommodation opening, and sliding bars (68) are arranged on both sides, the two sliding bars (68) are integrally formed with the support plate (67), and the two sliding bars (68) are respectively slidably connected to the two third sliding grooves, thereby realizing the extension and retraction of the two support plates (67).

9. The frame assembly welding tool as claimed in claim 1, characterized in that: A plurality of support legs (14) are fixedly mounted on the bottom of the base (1) for supporting the base (1), and anti-slip pads are fixedly mounted on the bottom ends of the support legs (14).

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