Automatic welding system for bulldozer rack

Abstract

The invention relates to the technical field of welding, and particularly discloses an automatic welding system for a bulldozer frame, the automatic welding system for the bulldozer frame achieves the purposes of fixing a main beam and adjusting at different angles, an equipment base integrally supports equipment, and a mechanical arm drives a welding gun, so that welding at different angles is realized; the heat dissipation device conducts pneumatic heat dissipation on the welding gun and cools the welding position, so that thermal deformation caused by the completion of the welding machine is restrained, the welding point is pneumatically cleaned in a pneumatic mode, so that it is kept that the welding point is easy to observe, the fixing device fixes the main beam and deviates at different angles, and the self-locking function of the main beam is achieved. Therefore, the situation that extra driving force needs to be added to restrain movement of the main beam during welding is avoided, the main beam is fixedly welded, and welding errors are reduced.

Description

Technical Field

[0001] The invention relates to the technical field of welding, in particular to an automatic welding system for a bulldozer frame. Background Art

[0002] As the core load-bearing component of the entire bulldozer machine, the quality of its welding is directly related to the strength, rigidity, durability, and safety of the equipment. The emergence and development of automated bulldozer frame welding systems aims to address the numerous challenges faced by traditional welding methods in frame manufacturing. With the continuous advancement of infrastructure construction, the demand for construction machinery such as bulldozers is increasing. To improve production efficiency and ensure product quality, advanced welding technology and equipment are required to achieve automated welding of bulldozer frames.

[0003] Traditional manual welding methods have certain limitations in terms of welding quality and efficiency. Manual welding is easily affected by factors such as the welder's technical level and labor intensity, resulting in unstable weld quality and low production efficiency. Summary of the Invention

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: an automatic welding system for a bulldozer frame, comprising an equipment base, the top of the equipment base is fixedly connected to the fixed end of a mechanical arm, the movable end of the mechanical arm is fixedly connected to a heat sink, the bottom of the heat sink is fixedly connected to a welding gun, the side of the equipment base is fixedly connected to a fixing device, and the welding gun is arranged at a position above the fixing device; The heat dissipation device includes an air duct, an inner wall side surface of the air duct is fixedly connected to a first motor through a bracket, an upper fan blade is fixedly connected to the driving shaft of the first motor, the bottom of the upper fan blade is fixedly connected to an upper gear ring, the bottom of the upper gear ring is meshed with a changing gear, the side of the changing gear is rotatably connected to a fixed shaft, the bottom of the changing gear is meshed with a lower gear ring, the bottom of the lower gear ring is fixedly connected to the lower fan blade, a ventilation hole is opened at the bottom of the inner wall of the air duct, the bottom of the air duct is fixedly connected to the top of the welding gun, the side of the air duct is fixedly connected to the movable end of the robotic arm, the first motor, the driving shaft of the first motor drives the upper fan blade to rotate, and the rotation of the upper fan blade drives The upper gear ring rotates, and the rotation of the upper gear ring drives the rotation of the changing gear, and the rotation of the changing gear drives the lower gear ring to rotate, and the rotation of the lower gear ring drives the rotation of the lower fan blades. Under the joint action of the upper fan blades and the lower fan blades, the air is driven to flow, thereby driving the air from the top of the air duct to the ventilation hole and flowing along the surface of the welding gun, thereby cooling the welding gun, and cooling and cleaning the welding position by blowing air directly at the welding point, thereby facilitating rapid forming of the welding machine position and preventing welding errors caused by thermal deformation. The upper fan blades and the lower fan blades rotate in opposite directions, thereby offsetting the vibration caused by the torque when the upper fan blades and the lower fan blades are started, thereby preventing welding errors from increasing due to vibration during welding.

[0005] Preferably, the fixing device includes a fixed base, the side surface of the fixed base is fixedly connected to the fixed end of the two-way slide, the movable end of the two-way slide is fixedly connected to the deflection assembly, the bottom of the inner wall of the deflection assembly is fixedly connected to the support assembly, the inner wall side of the deflection assembly is fixedly connected to the self-locking assembly, the top of the fixed base is fixedly connected to the lifting assembly, and the side surface of the lifting assembly is fixedly connected to the side surface of the deflection assembly. In the field of industrial production and mechanical manufacturing, in order to achieve efficient, precise and stable operation, there are extremely high requirements for the design and application of various devices, among which the fixing device plays a vital role. The fixing device we mentioned is extremely scientific and reasonable in structural design. Its basic component is the fixed base, which is like a solid cornerstone, providing a stable support for the entire fixing device. The fixed end of the two-way slide is carefully fixedly connected to the side of the fixed base. The two-way slide is an important transmission component of the entire device. Its fixed end is closely connected to the fixed base to ensure its stability during operation. The movable end of the two-way slide is fixedly connected Next is the deflection assembly. The deflection assembly is like a flexible joint and can be adjusted at multiple angles according to actual needs. At the bottom of the inner wall of the deflection assembly, a support assembly is firmly fixed and connected. The support assembly is like a loyal guard, providing additional support for the device and ensuring that there will be no shaking or deviation during operation. At the same time, a self-locking assembly is fixedly connected to the side of the inner wall of the deflection assembly. The self-locking assembly is a safety guarantee for the device. It can automatically lock after the device reaches the predetermined position to prevent it from accidental movement or shaking, greatly improving the safety and stability of the device. The top of the fixed base is fixedly connected with a lifting assembly. The lifting assembly is like a powerful power source and can flexibly adjust the height of the device according to actual work needs. Moreover, the side of the lifting assembly is fixedly connected to the side of the deflection assembly. This ingenious connection method enables the various components to work together to form an organic whole, thereby achieving more efficient and precise operation. Through such a carefully designed fixing device, it can play a huge role in many industrial scenarios and provide more reliable guarantees for production and manufacturing.

[0006] Preferably, the deflection assembly includes a fixed bracket, the top of the fixed bracket is fixedly connected to an arc slide rail, the side of the arc slide rail is sleeved and slidably connected to a sliding shell, the side of the sliding shell is fixedly connected to a guide shell, the bottom of the fixed bracket is fixedly connected to the movable end of the two-way slide, the side of the sliding shell is fixedly connected to the side of the lifting assembly, the sliding shell rotates along the trajectory of the arc slide rail under the action of driving, so that the sliding shell drives the two to adjust the positions at different angles, the setting of the guide shell guides the position when the main beam is introduced, so that the main beam is easy to introduce and install, and the sliding shell is driven by the lifting assembly to deflect the angle, thereby realizing the welding requirements of the main beam at different positions during welding.

[0007] Preferably, the support assembly includes a first hydraulic rod, the movable end of the first hydraulic rod is fixedly connected to the support base plate, the side of the support base plate is rotatably connected to the first guide wheel via a rotating shaft, the side of the first guide wheel is provided with a first slot, the side of the first hydraulic rod is connected to an oil supply pipe, the fixed end of the first hydraulic rod is fixedly connected to the bottom of the inner wall of the sliding shell, in the design of the mechanical structure, the support assembly plays a vital role, which is related to the stability and reliability of the entire device, the support assembly mentioned here has an exquisite design and layout, one of the cores of the support assembly is the first hydraulic rod, as a key component of power output, it has a strong telescopic ability, its movable end is firmly fixedly connected to the support base plate, the support base plate is like a solid cornerstone, which evenly disperses the force of the first hydraulic rod, providing a stable support surface for the entire support assembly, on the side of the support base plate, it is rotatably connected to the first guide wheel via a rotating shaft, the first guide wheel is like a "navigator" of the device operation, it can flexibly rotate according to the moving direction of the device, and Moreover, a first slot is provided on the side of the first guide wheel. This slot design is by no means accidental. It can be coordinated with a specific track or component to further enhance the accuracy of the guide and ensure that the device moves smoothly along the predetermined path. Looking at the side of the first hydraulic rod, it is connected to the oil supply pipe. The oil supply pipe is the "lifeline" of the first hydraulic rod. It continuously supplies hydraulic oil to the first hydraulic rod, thereby ensuring that the first hydraulic rod can work normally. The hydraulic oil transported by the oil supply pipe can accurately control the extension and retraction degree of the first hydraulic rod, thereby realizing precise adjustment of the height and position of the support assembly. The fixed end of the first hydraulic rod is fixedly connected to the bottom of the inner wall of the sliding shell. The sliding shell provides a safe and stable working environment for the first hydraulic rod, protecting it from interference and damage from external factors. This tight connection method makes the support assembly and the sliding shell form an organic whole, which improves the structural strength and stability of the entire device. In summary, the design of this support assembly fully considers the functions and synergy of each component, and provides a strong guarantee for the stable operation of related devices.

[0008] Preferably, the self-locking assembly includes a second hydraulic rod, the side surface of the movable end of the second hydraulic rod is fixedly connected to the supporting side plate, the side bottom of the supporting side plate is rotatably connected to the second guide wheel through a rotating shaft, the side surface of the second guide wheel is provided with a second slot, the top of the supporting side plate is fixedly connected to the driving assembly, the fixed end of the second hydraulic rod is connected to an oil inlet pipe, the fixed end of the second hydraulic rod is fixedly connected to the inner wall side of the sliding shell, the end of the oil inlet pipe away from the second hydraulic rod is connected to the oil delivery pipe, when the main beam is placed, the bracket is pressed on the top of the first guide wheel, and the first guide wheel is compressed under the action of the main beam, thereby driving the hydraulic oil along the oil delivery pipe into the interior of the second hydraulic rod, and the top of the first guide wheel is connected to the main beam The surface is in direct contact, thereby supporting the main beam. At this time, the second hydraulic rod is driven by the hydraulic oil to move, so that the movable end of the second hydraulic rod drives the supporting side plate to move, so that the supporting side plate drives the second guide wheel to move. The second guide wheel moves to contact the side of the main beam, thereby fixing the side of the main beam, and the setting of the second slot and the first slot increases the friction on the surface of the main beam, thereby preventing the main beam from accidentally sliding during the movement. The setting of the guide tube and the upper fixed tube increases the guiding effect on the side of the main beam, thereby guiding the main beam, thereby suppressing the main beam, thereby preventing the main beam from accidentally sliding, and under the driving action of the second motor, the main beam is driven to adjust to different welding positions.

[0009] Preferably, the drive assembly includes a lower fixed tube, the top of the lower fixed tube is fixedly connected to a guide tube, the top of the guide tube is fixedly connected to an upper fixed tube, the bottom of the inner wall of the lower fixed tube is fixedly connected to a second motor, and the drive shaft of the second motor is fixedly connected to the support side plate.

[0010] Preferably, the lifting assembly includes a moving seat, the top of the moving seat passes through and is threadedly connected to an electric screw, the side of the moving seat is fixedly connected to the fixed end of the first telescopic rod, the movable end of the first telescopic rod is sleeved and rotatably connected to the rotating seat, the inner wall side of the rotating seat is fixedly connected to the fixed end of the second telescopic rod, the fixed end of the second telescopic rod is fixedly connected to the side of the sliding shell, the bottom of the electric screw is fixedly connected to the top of the fixed base, the electric screw is started, the electric screw rotates to drive the moving seat to rise or fall, the movement of the moving seat drives the first telescopic rod to move, and the first telescopic rod The movement drives the rotating seat to move, and the movement of the rotating seat drives the second telescopic rod to move, so that the second telescopic rod drives the sliding shell to move, thereby driving the sliding shell to slide along the side of the arc slide rail, thereby realizing the offset of the main beam angle, and the threaded connection between the electric screw and the moving seat is realized to maintain a stationary state after the angle adjustment, thereby preventing the main beam from moving, and after the main beam angle is offset, the vertical component force always presses the first hydraulic rod, thereby driving the second hydraulic rod to always maintain a compressed state, so that the main beam remains in a fixed position after the angle is offset, thereby facilitating welding.

[0011] The present invention provides an automatic welding system for a bulldozer frame, which has the following beneficial effects: 1. The automatic welding system of the bulldozer frame is provided with a first motor. The driving shaft of the first motor drives the upper fan blade to rotate. The rotation of the upper fan blade drives the upper gear ring to rotate. The rotation of the upper gear ring drives the changing gear to rotate. The rotation of the changing gear drives the lower gear ring to rotate. The rotation of the lower gear ring drives the lower fan blade to rotate. Under the joint action of the upper fan blade and the lower fan blade, the air is driven to flow, thereby driving the air from the top of the air duct to the ventilation hole and flowing along the surface of the welding gun, thereby realizing cooling of the welding gun, and cooling and cleaning the welding position by blowing air directly at the position of the welding point, thereby facilitating rapid forming of the welding position and preventing welding errors caused by thermal deformation. The upper fan blade and the lower fan blade have opposite rotation directions, thereby offsetting the vibration caused by the torque when the upper fan blade and the lower fan blade are started, thereby preventing welding errors from increasing due to vibration during welding.

[0012] 2. The automatic welding system of the bulldozer frame is provided with a sliding shell. The sliding shell rotates along the track of the arc slide rail under the action of the drive, so that the sliding shell drives the two parts to adjust their positions at different angles. The setting of the guide shell guides the position when the main beam is introduced, so that the main beam is easy to introduce and install, and the sliding shell is driven by the lifting component to deflect the angle, thereby realizing the welding requirements of different positions of the main beam during welding.

[0013] 3. The automatic welding system of the bulldozer frame is provided with a first guide wheel. When the main beam is placed, the bracket is pressed on the top of the first guide wheel. The first guide wheel is compressed under the action of the main beam, thereby driving the hydraulic oil along the oil supply pipe to enter the inside of the second hydraulic rod. The top of the first guide wheel is in direct contact with the surface of the main beam, thereby supporting the main beam. At this time, the second hydraulic rod is driven to move under the drive of the hydraulic oil, so that the movable end of the second hydraulic rod drives the supporting side plate to move, so that the supporting side plate drives the second guide wheel to move. The movement of the second guide wheel contacts the side of the main beam, thereby fixing the side of the main beam, and the setting of the second slot and the first slot increases the friction force on the surface of the main beam, thereby preventing the main beam from accidentally sliding during movement. The setting of the guide tube and the upper fixed tube increases the guiding effect on the side of the main beam, thereby guiding the main beam, thereby suppressing the main beam, thereby preventing the main beam from accidentally sliding, and under the driving action of the second motor, the main beam is driven to adjust to different welding positions.

[0014] 4. The automatic welding system of the bulldozer frame is provided with an electric screw. The rotation of the electric screw drives the moving seat to rise or fall. The movement of the moving seat drives the first telescopic rod to move. The movement of the first telescopic rod drives the rotating seat to move. The movement of the rotating seat drives the second telescopic rod to move, so that the second telescopic rod drives the sliding shell to move, thereby driving the sliding shell to slide along the side of the arc-shaped slide rail, thereby achieving the offset of the main beam angle, and the threaded connection between the electric screw and the moving seat is achieved by maintaining a stationary state after the angle is adjusted, thereby preventing the main beam from moving, and after the main beam angle is offset, the vertical component of force is always pressed against the first hydraulic rod, thereby driving the second hydraulic rod to always maintain a pressed state, so that the main beam remains in a fixed position after the angle is offset, thereby facilitating welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of the automatic welding system for a bulldozer frame according to the present invention; Figure 2 This is a schematic structural diagram of the heat dissipation device of the present invention; Figure 3 This is a schematic structural diagram of the fixing device of the present invention; Figure 4 This is a schematic structural diagram of the deflection assembly of the present invention; Figure 5 This is a schematic diagram of the support assembly structure of the present invention; Figure 6 This is a schematic structural diagram of the self-locking assembly of the present invention; Figure 7 This is a schematic diagram of the structure of the drive assembly of the present invention; Figure 8 This is a schematic diagram of the lifting component structure of the present invention.

[0016] In the figure: 1. Equipment base; 2. Robotic arm; 3. Heat dissipation device; 4. Welding gun; 5. Fixing device; 301. Air duct; 302. First motor; 303. Upper fan blade; 304. Upper gear ring; 305. Direction-changing gear; 306. Fixed shaft; 307. Lower gear ring; 308. Lower fan blade; 309. Ventilation hole; 501. Fixed base; 502. Bidirectional slide; 503. Deflection assembly; 504. Support assembly; 505. Self-locking assembly; 506. Lifting assembly; 5031. Fixed bracket; 5032. Arc slide rail; 5033. Sliding shell; 5034. Guide shell; 5 041. First hydraulic rod; 5042. Support base plate; 5043. First guide wheel; 5044. First slot; 5045. Oil supply pipe; 5051. Second hydraulic rod; 5052. Support side plate; 5053. Second guide wheel; 5054. Second slot; 5055. Drive assembly; 5056. Oil inlet pipe; 50551. Lower fixed pipe; 50552. Guide pipe; 50553. Upper fixed pipe; 50554. Second motor; 5061. Moving seat; 5062. Electric screw; 5063. First telescopic rod; 5064. Rotating seat; 5065. Second telescopic rod. DETAILED DESCRIPTION

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] See also Figure 1-Figure 2 The present invention provides a technical solution: an automatic welding system for a bulldozer frame, comprising an equipment base 1, the top of the equipment base 1 is fixedly connected to the fixed end of a mechanical arm 2, the movable end of the mechanical arm 2 is fixedly connected to a heat dissipation device 3, the bottom of the heat dissipation device 3 is fixedly connected to a welding gun 4, the side of the equipment base 1 is fixedly connected to a fixing device 5, and the welding gun 4 is arranged at a position above the fixing device 5.

[0019] The equipment base 1 supports the equipment as a whole, the robotic arm 2 drives the welding gun 4 to achieve welding at different angles, the heat dissipation device 3 performs pneumatic heat dissipation on the welding gun 4 and cools the welding position, thereby suppressing thermal deformation caused by the completion of the welding machine, and pneumatically cleans the welding points to keep the welding points easy to observe, the fixing device 5 fixes the main beam and offsets it at different angles, and realizes the self-locking function of the main beam, thereby avoiding the need to add additional driving force to suppress the movement of the main beam during welding, thereby fixing the main beam for welding, thereby reducing welding errors.

[0020] The heat dissipation device 3 includes an air duct 301, and the inner wall side of the air duct 301 is fixedly connected to the first motor 302 through a bracket, and the upper fan blade 303 is fixedly connected to the driving shaft of the first motor 302, and the bottom of the upper fan blade 303 is fixedly connected to the upper gear ring 304, and the bottom of the upper gear ring 304 is engaged with a changing gear 305, and the side of the changing gear 305 is rotatably connected to a fixed shaft 306, and the bottom of the changing gear 305 is engaged with a lower gear ring 307, and the bottom of the lower gear ring 307 is fixedly connected to the lower fan blade 308, and a ventilation hole 309 is provided at the bottom of the inner wall of the air duct 301, and the bottom of the air duct 301 is fixedly connected to the top of the welding gun 4, and the side of the air duct 301 is fixedly connected to the movable end of the robotic arm 2.

[0021] The first motor 302 is started, and the drive shaft of the first motor 302 drives the upper fan blade 303 to rotate. The rotation of the upper fan blade 303 drives the upper gear ring 304 to rotate. The rotation of the upper gear ring 304 drives the direction-changing gear 305 to rotate. The rotation of the direction-changing gear 305 drives the lower gear ring 307 to rotate. The rotation of the lower gear ring 307 drives the lower fan blade 308 to rotate. Under the joint action of the upper fan blade 303 and the lower fan blade 308, air is driven to flow, thereby driving air from the top of the air duct 301 to the ventilation hole 309 and flowing along the surface of the welding gun 4, thereby cooling the welding gun 4, and cooling and cleaning the welding position by blowing air directly at the position of the welding point, thereby facilitating rapid forming of the welding machine position and preventing welding errors caused by thermal deformation. The rotation directions of the upper fan blade 303 and the lower fan blade 308 are opposite, thereby offsetting the vibration effect caused by the torque when the upper fan blade 303 and the lower fan blade 308 are started, thereby preventing welding errors from being increased due to vibration during welding.

[0022] See also Figures 1-4 The present invention provides a technical solution: the fixing device 5 includes a fixed base 501, the side of the fixed base 501 is fixedly connected to the fixed end of the bidirectional slide 502, the movable end of the bidirectional slide 502 is fixedly connected to the deflection assembly 503, the bottom of the inner wall of the deflection assembly 503 is fixedly connected to the support assembly 504, the side of the inner wall of the deflection assembly 503 is fixedly connected to the self-locking assembly 505, the top of the fixed base 501 is fixedly connected to the lifting assembly 506, and the side of the lifting assembly 506 is fixedly connected to the side of the deflection assembly 503.

[0023] The deflection assembly 503 includes a fixed bracket 5031, the top of the fixed bracket 5031 is fixedly connected to an arc-shaped slide rail 5032, the side of the arc-shaped slide rail 5032 is sleeved and slidably connected to a sliding shell 5033, the side of the sliding shell 5033 is fixedly connected to a guide shell 5034, the bottom of the fixed bracket 5031 is fixedly connected to the movable end of the bidirectional slide 502, and the side of the sliding shell 5033 is fixedly connected to the side of the lifting assembly 506.

[0024] The sliding shell 5033 rotates along the track of the arc-shaped slide rail 5032 under the action of driving, so that the sliding shell 5033 drives the two to adjust the positions at different angles. The setting of the guide shell 5034 guides the position when the main beam is introduced, so that the main beam is easy to import and install, and the lifting component 506 drives the sliding shell 5033 to deflect the angle, thereby realizing the welding requirements of different positions of the main beam during welding.

[0025] See also Figure 1-Figure 7 The present invention provides a technical solution: the support assembly 504 includes a first hydraulic rod 5041, the movable end of the first hydraulic rod 5041 is fixedly connected to the support base plate 5042, the side of the support base plate 5042 is rotatably connected to the first guide wheel 5043 through a rotating shaft, the side of the first guide wheel 5043 is provided with a first slot 5044, the side of the first hydraulic rod 5041 is connected to the oil supply pipe 5045, and the fixed end of the first hydraulic rod 5041 is fixedly connected to the bottom of the inner wall of the sliding shell 5033.

[0026] The self-locking assembly 505 includes a second hydraulic rod 5051, and the side surface of the movable end of the second hydraulic rod 5051 is fixedly connected to the supporting side plate 5052, and the bottom of the side surface of the supporting side plate 5052 is rotatably connected to the second guide wheel 5053 through a rotating shaft. The side surface of the second guide wheel 5053 is provided with a second slot 5054, and the top of the supporting side plate 5052 is fixedly connected to the driving assembly 5055. The fixed end of the second hydraulic rod 5051 is connected to the oil inlet pipe 5056, and the fixed end of the second hydraulic rod 5051 is fixedly connected to the inner wall side surface of the sliding shell 5033, and the end of the oil inlet pipe 5056 away from the second hydraulic rod 5051 is connected to the oil delivery pipe 5045.

[0027] The driving assembly 5055 includes a lower fixed tube 50551, the top of the lower fixed tube 50551 is fixedly connected to a guide tube 50552, the top of the guide tube 50552 is fixedly connected to an upper fixed tube 50553, the bottom of the inner wall of the lower fixed tube 50551 is fixedly connected to a second motor 50554, and the driving shaft of the second motor 50554 is fixedly connected to the support side plate 5052.

[0028] When the main beam is placed, the bracket is pressed on the top of the first guide wheel 5043. The first guide wheel 5043 is compressed under the action of the main beam, thereby driving the hydraulic oil along the oil supply pipe 5045 to enter the interior of the second hydraulic rod 5051. The top of the first guide wheel 5043 is in direct contact with the surface of the main beam, thereby supporting the main beam. At this time, the second hydraulic rod 5051 is driven by the hydraulic oil to move, so that the movable end of the second hydraulic rod 5051 drives the supporting side plate 5052 to move, and the supporting side plate 5052 drives the second guide wheel 5053 to move. The second guide wheel 5053 moves to contact the side of the main beam, thereby fixing the side of the main beam, and the setting of the second slot 5054 and the first slot 5044 increases the friction on the surface of the main beam, thereby preventing the main beam from accidentally sliding during movement. The setting of the guide tube 50552 and the upper fixed tube 50553 increases the guiding effect on the side of the main beam, thereby guiding the main beam, thereby restraining the main beam, thereby preventing the main beam from accidentally sliding, and under the driving action of the second motor 50554, the main beam is driven to adjust to different welding positions.

[0029] See also Figures 1-8 The present invention provides a technical solution: the lifting assembly 506 includes a moving seat 5061, the top of the moving seat 5061 is penetrated by and threadedly connected with an electric screw 5062, the side of the moving seat 5061 is fixedly connected to the fixed end of the first telescopic rod 5063, the movable end of the first telescopic rod 5063 is sleeved and rotatably connected to the rotating seat 5064, the inner wall side of the rotating seat 5064 is fixedly connected to the fixed end of the second telescopic rod 5065, the fixed end of the second telescopic rod 5065 is fixedly connected to the side of the sliding shell 5033, and the bottom of the electric screw 5062 is fixedly connected to the top of the fixed base 501.

[0030] Start the electric screw 5062, and the electric screw 5062 rotates to drive the moving seat 5061 to rise or fall. The movement of the moving seat 5061 drives the first telescopic rod 5063 to move. The movement of the first telescopic rod 5063 drives the rotating seat 5064 to move. The movement of the rotating seat 5064 drives the second telescopic rod 5065 to move, so that the second telescopic rod 5065 drives the sliding shell 5033 to move, thereby driving the sliding shell 5033 to slide along the side of the arc slide rail 5032, thereby achieving the offset of the main beam angle, and the threaded connection between the electric screw 5062 and the moving seat 5061 is achieved to maintain a stationary state after the angle adjustment, thereby preventing the main beam from moving, and after the main beam angle is offset, the vertical component force is always pressed against the first hydraulic rod 5041, thereby driving the second hydraulic rod 5051 to always maintain a pressed state, so that the main beam remains in a fixed position after the angle is offset, thereby facilitating welding.

[0031] Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without making creative efforts should fall within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described and explained in the present invention shall be implemented in accordance with conventional means in the field unless otherwise specified or limited.

Claims

1. An automatic welding system for a bulldozer frame, characterized by: The device comprises a device base (1), wherein the top of the device base (1) is fixedly connected to the fixed end of a mechanical arm (2), the movable end of the mechanical arm (2) is fixedly connected to a heat dissipation device (3), the bottom of the heat dissipation device (3) is fixedly connected to a welding gun (4), and the side of the device base (1) is fixedly connected to a fixing device (5), and the welding gun (4) is arranged at a position above the fixing device (5); The heat dissipation device (3) comprises an air duct (301), the inner wall side surface of the air duct (301) is fixedly connected to a first motor (302) through a bracket, an upper fan blade (303) is fixedly connected to the driving shaft of the first motor (302), the bottom of the upper fan blade (303) is fixedly connected to an upper gear ring (304), the bottom of the upper gear ring (304) is engaged with a direction-changing gear (305), the side of the direction-changing gear (305) is rotatably connected to a fixed shaft (306), the bottom of the direction-changing gear (305) is engaged with a lower gear ring (307), the bottom of the lower gear ring (307) is fixedly connected to a lower fan blade (308), a ventilation hole (309) is provided at the bottom of the inner wall of the air duct (301), the bottom of the air duct (301) is fixedly connected to the top of the welding gun (4), and the side of the air duct (301) is fixedly connected to the movable end of the robot arm (2).

2. The bulldozer frame automatic welding system according to claim 1, characterized in that: The fixing device (5) comprises a fixed base (501), a side surface of the fixed base (501) is fixedly connected to a fixed end of a bidirectional slide (502), a movable end of the bidirectional slide (502) is fixedly connected to a deflection assembly (503), a bottom portion of an inner wall of the deflection assembly (503) is fixedly connected to a support assembly (504), a side surface of an inner wall of the deflection assembly (503) is fixedly connected to a self-locking assembly (505), a top portion of the fixed base (501) is fixedly connected to a lifting assembly (506), and a side surface of the lifting assembly (506) is fixedly connected to a side surface of the deflection assembly (503).

3. The bulldozer frame automatic welding system according to claim 2, characterized in that: The deflection assembly (503) comprises a fixed bracket (5031), the top of the fixed bracket (5031) is fixedly connected to an arc-shaped slide rail (5032), the side of the arc-shaped slide rail (5032) is sleeved and slidably connected to a sliding shell (5033), the side of the sliding shell (5033) is fixedly connected to a guide shell (5034), the bottom of the fixed bracket (5031) is fixedly connected to the movable end of the bidirectional slide (502), and the side of the sliding shell (5033) is fixedly connected to the side of the lifting assembly (506).

4. The automatic welding system for a bulldozer frame according to claim 2, characterized in that: The support assembly (504) includes a first hydraulic rod (5041), a movable end of the first hydraulic rod (5041) is fixedly connected to a support base plate (5042), a side surface of the support base plate (5042) is rotatably connected to a first guide wheel (5043) via a rotating shaft, a side surface of the first guide wheel (5043) is provided with a first slot (5044), a side surface of the first hydraulic rod (5041) is connected to an oil delivery pipe (5045), and a fixed end of the first hydraulic rod (5041) is fixedly connected to the bottom of the inner wall of the sliding housing (5033).

5. The automatic welding system for a bulldozer frame according to claim 2, characterized in that: The self-locking assembly (505) comprises a second hydraulic rod (5051), the side surface of the movable end of the second hydraulic rod (5051) is fixedly connected to a supporting side plate (5052), the bottom of the side surface of the supporting side plate (5052) is rotatably connected to a second guide wheel (5053) via a rotating shaft, the side surface of the second guide wheel (5053) is provided with a second slot (5054), the top of the supporting side plate (5052) is fixedly connected to a driving assembly (5055), and the fixed end of the second hydraulic rod (5051) is connected to an oil inlet pipe (5056).

6. The automatic welding system for a bulldozer frame according to claim 5, characterized in that: The fixed end of the second hydraulic rod (5051) is fixedly connected to the inner wall side of the sliding housing (5033), and the end of the oil inlet pipe (5056) away from the second hydraulic rod (5051) is connected to the oil delivery pipe (5045).

7. The automatic welding system for a bulldozer frame according to claim 5, characterized in that: The driving assembly (5055) comprises a lower fixed tube (50551), the top of the lower fixed tube (50551) is fixedly connected to a guide tube (50552), the top of the guide tube (50552) is fixedly connected to an upper fixed tube (50553), the bottom of the inner wall of the lower fixed tube (50551) is fixedly connected to a second motor (50554), and the driving shaft of the second motor (50554) is fixedly connected to the supporting side plate (5052).

8. The automatic welding system for a bulldozer frame according to claim 2, characterized in that: The lifting assembly (506) includes a movable seat (5061), the top of the movable seat (5061) is penetrated by and threadedly connected to an electric screw (5062), the side of the movable seat (5061) is fixedly connected to the fixed end of a first telescopic rod (5063), the movable end of the first telescopic rod (5063) is sleeved and rotatably connected to a rotating seat (5064), and the inner wall side of the rotating seat (5064) is fixedly connected to the fixed end of a second telescopic rod (5065).

9. The automatic welding system for a bulldozer frame according to claim 8, characterized in that: The fixed end of the second telescopic rod (5065) is fixedly connected to the side of the sliding housing (5033), and the bottom of the electric screw (5062) is fixedly connected to the top of the fixed base (501).

Images