A chassis support frame welding apparatus

Abstract

The application relates to the technical field of welding equipment, and specifically discloses a support framework welding equipment for automobile chassis, which comprises a base, a machine shell is arranged on the top of the base, feeding holes are arranged at the two ends of the machine shell, placing grooves are arranged at the two ends of the top of the base close to the feeding holes, a rotating plate is movably arranged in the placing grooves, a first fixing hole is arranged on the top side of the rotating plate in the length direction, a second fixing hole is arranged on the side of the rotating plate below the first fixing hole, rubber clamping sleeves are arranged on the inner walls of the two sides of the first fixing hole and the second fixing hole, a plurality of grooves are arranged on the side of the rotating plate close to the machine shell, rollers are rotatably arranged on the inner walls of the grooves, and the side outer walls of the rollers penetrate through the grooves. The rotating plate can be used for clamping automobile chassis with different lengths and specifications and conveying the automobile chassis for feeding and discharging.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of welding equipment, in particular to a support framework welding equipment for automobile chassis. BACKGROUND

[0002] The automobile chassis refers to the combination of the drive train, the running gear, the steering system and the brake system on the automobile. The automobile chassis supports and installs the automobile engine and its components and assemblies. The automobile chassis forms the overall shape of the automobile, bears the power of the engine and guarantees normal driving. The automobile chassis is composed of multiple components which need to be assembled through welding process to ensure firm connection between them.

[0003] The existing welding equipment has low welding efficiency when welding the automobile chassis because of the complexity of the support framework of the automobile chassis. A clamp is needed for welding the support framework of the automobile chassis at different angles for each component. The size and model of the automobile chassis are not the same, and the clamp needs to be adjusted frequently when clamping the support framework of the automobile chassis of various models. The existing clamp can only clamp the support framework of the automobile chassis, and the overall size of the support framework of the automobile chassis is large, so the position of the support framework of the automobile chassis needs to be adjusted manually by the worker. SUMMARY

[0004] The present application aims to solve the problems in the prior art and provides a support framework welding equipment for automobile chassis.

[0005] To achieve the above-mentioned purpose, the present application adopts the following technical scheme:

[0006] The support framework welding equipment for automobile chassis comprises a base, a machine shell is installed on the top of the base, feed holes are formed at both ends of the machine shell, placing grooves are formed at both ends of the top of the base near the feed holes, a rotating plate is movably installed in the placing grooves, a first fixing hole is formed in the length direction on the top end side of the rotating plate, a second fixing hole is formed below the first fixing hole on the side of the rotating plate, rubber clamping sleeves are installed on the inner walls of both sides of the first fixing hole and the second fixing hole, a plurality of grooves are formed on the side of the rotating plate close to the inside of the machine shell, rollers are rotatably installed on the inner walls of the grooves, and the outer walls of the rollers penetrate the grooves.

[0007] Preferably, guide grooves are formed in the length direction on the inner walls of both ends of the placing grooves, a supporting rod is rotatably installed at the bottom end of the rotating plate, electric sliding blocks are installed at both ends of the supporting rod, the two electric sliding blocks are slidably installed in the two guide grooves, respectively, and the top end and the middle end of the rotating plate are located inside the feed holes.

[0008] Preferably, the rotating plate is provided with a connecting block at both ends of the side away from the inside of the shell, the two connecting blocks are located at both ends of the second fixed hole, the inner bottom of the placing groove is provided with a fixed groove at both ends of the side away from the rotating plate, the inner wall of the fixed groove is rotatably provided with a fixed block, the top of the fixed block is provided with a first hydraulic cylinder, and the top end of the first hydraulic cylinder is rotatably connected with the connecting block.

[0009] Preferably, the inner top of the shell is rotatably provided with a rotating shaft, the bottom end of the rotating shaft is provided with a top plate, the outer wall of the rotating shaft is provided with a fixed sleeve, the outer wall of the fixed sleeve is provided with a plurality of connecting grooves, the top of the top plate is provided with a plurality of mounting holes matched with the connecting grooves at the position close to the outer wall, and one end of the mounting hole penetrates through the top plate.

[0010] Preferably, the inside of the mounting hole is provided with a guide rod, one end of the guide rod close to the rotating shaft is rotatably provided with a fixed rod, the two ends of the fixed rod are respectively mounted on the inner walls of the two sides of the mounting hole, one end of the guide rod away from the fixed rod is provided with a stop block, and the stop block is located in the inside of the mounting hole.

[0011] Preferably, the inner wall of the connecting groove is rotatably provided with a second hydraulic cylinder, the top end of the second hydraulic cylinder away from the fixed sleeve is rotatably connected with the stop block, the bottom of the top plate is provided with a convex electric slide at the position below the plurality of mounting holes, and the top end of the electric slide is located in the inside of the mounting hole.

[0012] Preferably, the top end of the electric slide is slidably mounted on the outer wall of the guide rod, the bottom of the electric slide is provided with a laser welding head, the top of the shell is provided with a motor, and the output shaft of the motor penetrates through the shell and is connected with the top end of the rotating shaft through a shaft coupling.

[0013] Preferably, the two sides of the shell are provided with through holes, and the inner top of the through hole is provided with a plurality of flexible rubber plates, and the two through holes are located below the two sides of the top plate.

[0014] Preferably, the rotating plate is provided with a convex exhaust machine at the side away from the inside of the shell, the exhaust machine is located at the side of the second fixed hole, one end of the exhaust machine is located in the inside of the second fixed hole, and the rubber clamping sleeves located on the inner walls on both sides of the second fixed hole are located at the side of the exhaust machine and abut each other.

[0015] Preferably, the inner walls of both ends of the shell are obliquely provided with a plurality of scanners, the scanners are located above the feeding hole, and the plurality of scanners located on the inner walls of both ends of the shell are respectively located on both sides of the top plate, and the bottom of the base is provided with a supporting column at the position close to the corner.

[0016] Compared with the prior art, the beneficial effects of the present application are:

[0017] 1. The both ends of the automobile chassis are respectively abutted with a plurality of rollers on the opposite sides of the two rotating plates after the automobile chassis is placed inside the shell, the top end of the rotating plate is pulled down by the first hydraulic cylinder, and the bottom end of the rotating plate is moved towards the inside of the shell by the electric sliding block, so that the connecting block is moved towards the inside of the shell at a short distance, preventing the both ends of the automobile chassis from moving out of the first fixed hole when the top end of the rotating plate is pulled down by the first hydraulic cylinder, and the electric sliding block moves the two rotating plates to clamp the automobile chassis, and the first fixed hole on the side of the top end of the rotating plate is inclined when the top end of the rotating plate is pulled down by the first hydraulic cylinder, so that the automobile chassis is clamped and fixed by the inner walls on both sides of the inclined first fixed hole, and the fixed hole position on the two rotating plates can clamp automobile chassis of different lengths when in use, and the clamping force of the automobile chassis can be adjusted by the inclination of the rotating plate and the fixed hole thereon.

[0018] 2. Rubber sleeves are installed on the inner walls on both sides of the first fixed hole and the second fixed hole, which can protect the surface of the automobile chassis when clamping the automobile chassis, preventing the surface of the automobile chassis from being indented due to excessive clamping force, and when installing the exhaust machine, one end of the exhaust machine is inserted into the inside of the second fixed hole, the rubber sleeves on the inner walls on both sides of the second fixed hole clamp the exhaust machine by their elasticity, and the end of the exhaust machine away from the shell is connected with the gas conveying pipe outside, which can discharge harmful gases generated during welding of the automobile chassis to a designated position or container, preventing harmful gases from harming the workers around the shell, and the position of the exhaust machine can be adjusted or installed and removed at any time during use.

[0019] 3. The motor, the second hydraulic cylinder and the electric sliding block can cooperate with each other to adjust the height, horizontal position and angle of the laser welding head at the same time, a plurality of electric sliding blocks are installed at the bottom of the laser welding head, and the laser welding head can be installed at an angle at the bottom of the electric sliding block or vertically at the bottom of the electric sliding block, which facilitates welding of gaps of different angles on the surface of the automobile chassis, and the scanner on the inner walls at both ends of the shell can scan the welding position in real time during welding of the automobile chassis, so that the position accuracy and welding effect of the welding position can be known, and the position of the laser welding head can be adjusted by the cooperation of the motor, the second hydraulic cylinder and the electric sliding block.

[0020] 4. The rotating plate in the application can be used for conveying the automobile chassis in and out of the material, clamping and fixing the automobile chassis of different specifications, sealing the material holes at both ends of the machine shell when the welding equipment is idle, protecting the top plate inside the machine shell and the laser welding heads thereon, and fixing the automobile chassis of different specifications when the automobile chassis is wide at both ends and the fixing position is at the corner of the automobile chassis. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 A perspective view of a support framework welding equipment for an automobile chassis is proposed in the application;

[0022] Figure 2 A machine shell sectional view of a support framework welding equipment for an automobile chassis is proposed in the application;

[0023] Figure 3 A rotating plate installation structure diagram of a support framework welding equipment for an automobile chassis is proposed in the application;

[0024] Figure 4 A rotating plate structure diagram of a support framework welding equipment for an automobile chassis is proposed in the application;

[0025] Figure 5 A base structure diagram of a support framework welding equipment for an automobile chassis is proposed in the application;

[0026] Figure 6 A machine shell structure diagram of a support framework welding equipment for an automobile chassis is proposed in the application;

[0027] Figure 7 A top plate structure diagram of a support framework welding equipment for an automobile chassis is proposed in the application;

[0028] Figure 8 A guide rod structure diagram of a support framework welding equipment for an automobile chassis is proposed in the application.

[0029] In the figure: 1, base; 2, casing; 3, feed hole; 4, placing groove; 5, rotating plate; 6, support column; 7, first hydraulic cylinder; 8, motor; 9, through hole; 10, flexible rubber plate; 11, connecting block; 12, top plate; 13, rotating shaft; 14, first fixed hole; 15, second fixed hole; 16, exhaust machine; 17, rubber sleeve; 18, support rod; 19, groove; 20, roller; 21, guide groove; 22, electric sliding block; 23, scanner; 24, fixed sleeve; 25, second hydraulic cylinder; 26, laser welding head; 27, mounting hole; 28, stop block; 29, guide rod; 30, connecting groove; 31, electric sliding seat; 32, fixed rod; 33, fixed groove; 34, fixed block. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments of the present application.

[0031] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "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 device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0032] Reference Figures 1-8 A kind of support framework welding equipment of automobile chassis, including base 1, the top of base 1 is equipped with casing 2, both ends of casing 2 are equipped with feed hole 3, the top of base 1 is equipped with placing groove 4 near the both ends of feed hole 3, placing groove 4 is movably installed with rotating plate 5 in the inside, the top end side of rotating plate 5 is equipped with first fixed hole 14 according to length direction, second fixed hole 15 is equipped in the side of rotating plate 5 below first fixed hole 14, the both sides inner wall of first fixed hole 14 and second fixed hole 15 are all equipped with concave rubber sleeve 17, rotating plate 5 is equipped with several grooves 19 on the side close to the inside of casing 2, roller 20 is rotatably installed on the inner wall of groove 19, the side outer wall of roller 20 penetrates groove 19.

[0033] As a technical optimization scheme of the present application, guide grooves 21 are formed in the length direction on the inner walls of both ends of the placing groove 4, a support rod 18 is rotatably installed at the bottom end of the rotating plate 5, electric sliding blocks 22 are installed at both ends of the support rod 18, the two electric sliding blocks 22 are respectively slidably installed inside the two guide grooves 21, and the top end and the middle end of the rotating plate 5 are located inside the feeding hole 3; the electric sliding blocks 22 are used in cooperation with the first hydraulic cylinders 7 to adjust the position and the inclination angle of the bottom end of the rotating plate 5, so that the automobile chassis can be clamped and fixed through the first fixing hole 14 and the second fixing hole 15 on the rotating plate 5.

[0034] As a technical optimization scheme of the present application, connecting blocks 11 are installed at both ends of the side away from the inside of the shell 2 of the rotating plate 5, the two connecting blocks 11 are located at both ends of the second fixing hole 15, fixed grooves 33 are formed at both ends of the side away from the rotating plate 5 of the inner bottom of the placing groove 4, fixed blocks 34 are rotatably installed on the inner walls of the fixed grooves 33, the first hydraulic cylinders 7 are installed on the top of the fixed blocks 34, and the top end of the first hydraulic cylinders 7 is rotatably connected with the connecting blocks 11; in use, the first hydraulic cylinders 7 can support the rotating plate 5 when the rotating plate 5 clamps and fixes the automobile chassis, so that the two rotating plates 5 do not shake in use.

[0035] As a technical optimization scheme of the present application, a rotating shaft 13 is rotatably installed on the inner top of the shell 2, a top plate 12 is installed at the bottom end of the rotating shaft 13, a fixed sleeve 24 is installed on the outer wall of the rotating shaft 13, a plurality of connecting grooves 30 are formed in the outer wall of the fixed sleeve 24, a plurality of mounting holes 27 matched with the connecting grooves 30 are formed in the top of the top plate 12 close to the outer wall, and one end of the mounting hole 27 penetrates through the top plate 12; in use, the rotating shaft 13 can drive the top plate 12 to rotate, so that the laser welding head 26 installed on the top plate 12 can laser weld different positions on the automobile chassis, and the laser welding head 26 is more flexible in position adjustment during welding.

[0036] As a technical optimization scheme of the present application, a guide rod 29 is installed inside the mounting hole 27, a fixed rod 32 is rotatably installed at the end of the guide rod 29 away from the fixed rod 32, the fixed rod 32 is installed on the inner walls of both sides of the mounting hole 27, a stop block 28 is installed at the end of the guide rod 29 away from the fixed rod 32, and the stop block 28 is located inside the mounting hole 27; in use, the fixed rod 32 can stably support the bottom end of the second hydraulic cylinder 25 through the stop block 28, so that the laser welding head 26 can accurately weld the specified position of the automobile chassis.

[0037] As a technical optimization scheme of the present application, the inner wall of the connecting groove 30 is rotatably connected with the second hydraulic cylinder 25, the end of the second hydraulic cylinder 25 away from the fixed sleeve 24 is rotatably connected with the top end of the stop block 28, the bottom of the top plate 12 is below the plurality of mounting holes 27 and is connected with the convex electric sliding seat 31, and the top end of the electric sliding seat 31 is inside the mounting hole 27; the electric sliding seat 31 can move on the outer wall of the guide rod 29 during use, facilitating the horizontal position adjustment of the laser welding head 26, and the second hydraulic cylinder 25 and the guide rod 29 can cooperate to simultaneously adjust the horizontal position and the height position of the laser welding head 26.

[0038] As a technical optimization scheme of the present application, the top end of the electric sliding seat 31 is slidably connected with the outer wall of the guide rod 29, the bottom of the electric sliding seat 31 is connected with the laser welding head 26, the top of the casing 2 is connected with the motor 8, the bottom end of the output shaft of the motor 8 penetrates the casing 2 and is connected with the top end of the rotating shaft 13 through the shaft coupling; the motor 8, the second hydraulic cylinder 25 and the electric sliding seat 31 can cooperate to simultaneously move during use, so that the laser welding head 26 can quickly move to the designated position for welding the automobile chassis.

[0039] As a technical optimization scheme of the present application, the two sides of the casing 2 are provided with the through holes 9, the inner top of the through hole 9 is connected with the plurality of flexible rubber plates 10, and the two through holes 9 are located below the two sides of the top plate 12; the flexible rubber plate 10 is transparent, facilitating the understanding of the welding process of the automobile chassis by the staff through the flexible rubber plate 10 on the two sides of the casing 2, and the flexible rubber plate 10 can isolate the smell generated during the welding of the automobile chassis to a certain extent, protecting the staff and facilitating the staff to adjust the position of the automobile chassis inside the casing 2 through the through hole 9.

[0040] As a technical optimization scheme of the present application, the side of the rotating plate 5 away from the inside of the casing 2 is connected with the convex exhaust machine 16, the exhaust machine 16 is located on the side of the second fixed hole 15, one end of the exhaust machine 16 is located inside the second fixed hole 15, and the rubber clamping sleeves 17 on the inner walls on both sides of the second fixed hole 15 are located on the sides of the exhaust machine 16 and abut each other; when the first fixed hole 14 clamps and fixes the automobile chassis, the staff installs the exhaust machine 16 inside the second fixed hole 15, when the second fixed hole 15 fixes the position of the automobile chassis, the staff installs the exhaust machine 16 inside the first fixed hole 14, and the rubber clamping sleeves 17 on the inner walls on both sides of the first fixed hole 14 and the second fixed hole 15 can protect the automobile chassis when clamping and fixing the automobile chassis and can clamp and fix the exhaust machine 16 through the elasticity thereof.

[0041] As a technical optimization scheme of the present application, a plurality of scanners 23 are obliquely installed on the inner walls of the two ends of the cabinet 2, the scanners 23 are located above the feeding hole 3, and the plurality of scanners 23 located on the inner walls of the two ends of the cabinet 2 are respectively located on the two sides of the top plate 12, and the bottom of the base 1 is installed with support columns 6 near the corners; the scanner 23 is used in cooperation with a plurality of laser welding heads 26 to scan the welding position of the laser welding head 26, facilitating the real-time adjustment of the position of the laser welding head 26 by the worker.

[0042] In use, the worker pulls the top end of the rotating plate 5 away from the inside of the cabinet 2 by the first hydraulic cylinder 7 located at both ends of the base 1 to rotate the top end of the rotating plate 5 away from the cabinet 2, so that the worker can place and transport the automobile chassis through the rotating plate 5. The worker places the workpiece to be welded on the automobile chassis at the designated position in advance, and fixes the automobile chassis and the welding workpiece by spot welding to prevent the welding workpiece from falling during installation and welding of the automobile chassis, and improve the stability of the automobile chassis and the welding workpiece during welding.

[0043] The worker places the automobile chassis on the side of one of the rotating plates 5 away from the first hydraulic cylinder 7, so that the bottom of the automobile chassis abuts against the plurality of rollers 20 on the side of the rotating plate 5, and the worker can push the automobile chassis to move towards the inside of the cabinet 2 until the automobile chassis enters the inside of the cabinet 2, and the two ends of the automobile chassis are located on the side of the two rotating plates 5 close to the cabinet 2, so that the two rotating plates 5 can support and protect the two ends of the automobile chassis.

[0044] The first hydraulic cylinder 7 drives the two rotating plates 5 to rotate, so that the top end of the rotating plate 5 rotates towards the inside of the cabinet 2, and the electric sliding block 22 can drive the bottom end of the rotating plate 5 to move towards the inside of the cabinet 2 through the support rod 18, so that the electric sliding block 22 and the first hydraulic cylinder 7 cooperate with each other in use to better clamp and fix the automobile chassis by the two rotating plates 5.

[0045] While the rotating plate 5 moves and rotates, the two ends of the automobile chassis slide on the opposite faces of the two rotating plates 5 through the plurality of rollers 20 until the two ends of the automobile chassis are inserted into the first fixing holes 14 on the sides of the two rotating plates 5. In use, when the two ends of the automobile chassis are wide and the fixing position is at the corner of the two ends of the automobile chassis, the two ends of the automobile chassis can slide into the first fixing holes 14, and when the two ends of the automobile chassis are narrow and the fixing position is at the middle of the two ends of the automobile chassis, the two ends of the automobile chassis can slide into the second fixing holes 15 on the two rotating plates 5, which can be used for fixing various models of automobile chassis in use.

[0046] When the two ends of the automobile chassis are moved to the inside of the first fixed hole 14 on the two rotating plates 5, the staff can make the first hydraulic cylinder 7 pull down the top end of the rotating plate 5, and the electric sliding block 22 drives the bottom end of the rotating plate 5 to move towards the inside of the shell 2, so that the connecting block 11 moves a short distance towards the inside of the shell 2 while moving downward, preventing the first hydraulic cylinder 7 from pulling the top end of the rotating plate 5 downward, and the electric sliding block 22 drives the two rotating plates 5 to clamp the automobile chassis, and the first hydraulic cylinder 7 drives the top end of the rotating plate 5 to move downward, so that the first fixed hole 14 on the side of the top end of the rotating plate 5 is inclined, and the two side walls of the inclined first fixed hole 14 clamp and fix the automobile chassis, and the rubber sleeve 17 is installed on the two side walls of the first fixed hole 14 and the second fixed hole 15, which can protect the surface of the automobile chassis when clamping the automobile chassis, preventing the automobile chassis from being damaged due to excessive clamping force.

[0047] When installing and fixing the automobile chassis, the staff can understand the position of the automobile chassis through the through hole 9 on both sides of the shell 2, so that the staff can adjust the position of the automobile chassis at any time, and the two rotating plates 5 can better clamp and fix the automobile chassis. When the staff finishes installing and fixing the automobile chassis, the staff inserts one end of the exhaust machine 16 into the inside of the second fixed hole 15, so that the rubber sleeve 17 on the two side walls of the second fixed hole 15 clamps the exhaust machine 16 through its elasticity, and the end of the exhaust machine 16 away from the shell 2 is connected with the gas pipe outside, so that the exhaust machine 16 can discharge harmful gases generated during welding of the automobile chassis to a designated position or a container, preventing harmful gases from harming the staff around the shell 2.

[0048] In use, the staff can drive the rotating shaft 13 and the top plate 12 to rotate through the motor 8, and adjust the position of the several laser welding joints 26 on the bottom of the top plate 12, when the staff adjusts the position of the laser welding joint 26 through the motor 8, the electric sliding seat 31 can drive the laser welding joint 26 on the bottom to slide on the outer wall of the guide rod 29, and the position of the laser welding joint 26 and the electric sliding seat 31 on the guide rod 29 can be adjusted in use, and the mounting hole 27 can play a good protection and guiding effect on the two sides of the electric sliding seat 31 when the electric sliding seat 31 moves. The staff drives the stop block 28 to move downward through the second hydraulic cylinder 25, and drives the guide rod 29 to rotate around the fixed rod 32 through the stop block 28, and the fixed rod 32 can drive the electric sliding seat 31 and the laser welding joint 26 to move downward and rotate when rotating, until the bottom end of the laser welding joint 26 is rotated to the top of the automobile chassis and above the position to be welded with the welding workpiece, and the laser welding joint 26 can weld the automobile chassis. In use, the bottom of the several electric sliding seats 31 is provided with the laser welding joint 26, and the laser welding joint 26 can be installed on the bottom of the electric sliding seat 31 at an inclination or vertically on the bottom of the electric sliding seat 31, which facilitates welding of different angle gaps on the surface of the automobile chassis, and the laser welding joint 26 uses high-energy density laser beam as heat source to heat the connecting gap between the automobile chassis and the workpiece, so that the position close to the connecting end of the automobile chassis and the workpiece is melted and connected with each other, achieving the effect of welding the automobile chassis and the workpiece, and achieving good welding effect in the production of different models of new energy automobile chassis, improving the production efficiency of new energy automobile chassis, and without manual welding of the automobile chassis and the workpiece to be welded, facilitating intelligent manufacturing and production of the automobile chassis.

[0049] When the automobile chassis is welded, the scanner 23 on the inner wall of the two ends of the casing 2 can scan the welding position in real time, and the position accuracy and welding effect of the welding can be known, so that the staff can adjust the position of the laser welding joint 26 through the cooperation of the motor 8, the second hydraulic cylinder 25 and the electric sliding seat 31. When the automobile chassis is welded, the electric sliding block 22 can drive the bottom end of the rotating plate 5 to move away from the inside of the casing 2, and the first hydraulic cylinder 7 pushes the top end of the rotating plate 5 to move upward, until the two ends of the automobile chassis are moved out of the first fixed hole 14 on the two rotating plates 5 respectively, so that the surfaces of the two ends of the automobile chassis are respectively abutted with the several rollers 20 on the opposite surfaces of the two rotating plates 5. When the two ends of the automobile chassis are moved out of the first fixed hole 14, the first hydraulic cylinder 7 pulls the top end of the rotating plate 5 downward, so that the top end of the rotating plate 5 is again inclined away from the casing 2, and the staff can pull one end of the automobile chassis, so that the automobile chassis moves out of the casing 2 through the several rollers 20 on the rotating plate 5.

[0050] The above merely describes preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A chassis support frame welding apparatus for a vehicle comprising a base (1) characterised in that, The top of the base (1) is provided with a machine shell (2), both ends of the machine shell (2) are provided with feeding holes (3), both ends of the top of the base (1) are provided with placing grooves (4) near the feeding holes (3), the inside of the placing groove (4) is movably provided with a rotating plate (5), the top end side of the rotating plate (5) is provided with a first fixing hole (14) in the length direction, the side of the rotating plate (5) is provided with a second fixing hole (15) below the first fixing hole (14), the inside walls of the first fixing hole (14) and the second fixing hole (15) are both provided with concave rubber clamping sleeves (17), the side of the rotating plate (5) close to the inside of the machine shell (2) is provided with a plurality of grooves (19), the inside walls of the grooves (19) are rotatably provided with rollers (20), one side of the outer wall of the roller (20) penetrates the groove (19); The inside walls of both ends of the placing groove (4) are both provided with guide grooves (21) in the length direction, the bottom end of the rotating plate (5) is rotatably provided with a supporting rod (18), both ends of the supporting rod (18) are provided with electric sliding blocks (22), the two electric sliding blocks (22) are respectively slidably installed in the inside of the two guide grooves (21), the top end and the middle end of the rotating plate (5) are both located in the inside of the feeding hole (3); The side of the rotating plate (5) away from the inside of the machine shell (2) is provided with connecting blocks (11) at both ends, the two connecting blocks (11) are respectively located at both ends of the second fixing hole (15), both ends of the inside bottom of the placing groove (4) away from the rotating plate (5) are provided with fixing grooves (33), the inside walls of the fixing grooves (33) are rotatably provided with fixing blocks (34), the top of the fixing block (34) is provided with a first hydraulic cylinder (7), the top end of the first hydraulic cylinder (7) is rotatably connected with the connecting block (11); The inside top of the machine shell (2) is rotatably provided with a rotating shaft (13), the bottom end of the rotating shaft (13) is provided with a top plate (12), the outer wall of the rotating shaft (13) is provided with a fixing sleeve (24), a plurality of connecting grooves (30) are formed in the outer wall of the fixing sleeve (24), a plurality of mounting holes (27) matched with the connecting grooves (30) are formed in the top of the top plate (12) close to the outer wall, one end of the mounting hole (27) penetrates the top plate (12); The inside of the mounting hole (27) is provided with a guide rod (29), one end of the guide rod (29) close to the rotating shaft (13) is rotatably provided with a fixing rod (32), both ends of the fixing rod (32) are respectively installed on the inside walls of the two mounting holes (27), one end of the guide rod (29) away from the fixing rod (32) is provided with a stop block (28), the stop block (28) is located in the inside of the mounting hole (27); The inside walls of the connecting grooves (30) are rotatably provided with second hydraulic cylinders (25), one end of the second hydraulic cylinder (25) away from the fixing sleeve (24) is rotatably connected with the top end of the stop block (28), the bottom of the top plate (12) is provided with convex electric sliding seats (31) below the plurality of mounting holes (27), the top end of the electric sliding seat (31) is located in the inside of the mounting hole (27). The top end of the electric sliding seat (31) is slidingly installed on the outer wall of the guide rod (29), the bottom of the electric sliding seat (31) is provided with a laser welding head (26), the top of the shell (2) is provided with a motor (8), the bottom end of the output shaft of the motor (8) penetrates through the shell (2) and is connected with the top end of the rotating shaft (13) through a shaft coupling.

2. The apparatus according to claim 1, wherein The both sides of the shell (2) are provided with through holes (9), the inner top of the through hole (9) is provided with a plurality of flexible rubber plates (10), and the two through holes (9) are located below the both sides of the top plate (12).

3. The apparatus according to claim 1, wherein The side, away from the inside of the shell (2), of the rotating plate (5) is provided with a convex air blower (16), the air blower (16) is located on the side of the second fixed hole (15), one end of the air blower (16) is located in the second fixed hole (15), and the rubber clamping sleeves (17) on the two side inner walls of the second fixed hole (15) are located on the side of the air blower (16) and abut against each other.

4. The apparatus according to claim 1, wherein The both end inner walls of the shell (2) are obliquely provided with a plurality of scanners (23), the scanners (23) are located above the feeding hole (3), and the plurality of scanners (23) on the both end inner walls of the shell (2) are located on the both sides of the top plate (12) respectively, and the bottom of the base (1) is provided with support columns (6) near the corners.

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