An automatic welding apparatus for a generator stator

Abstract

The application relates to an automatic welding device for a generator stator, and relates to the technical field of automatic welding, which comprises a welding main machine, a protection assembly and a clamping assembly, a ring body, the clamping assembly is arranged on the top of the welding main machine, the protection assembly is arranged on the top of the welding main machine, the protection assembly is located outside the clamping assembly, and the protection assembly is arranged on the top of the ring body. By arranging a second electric push rod in a groove on the top of the welding main machine and connecting the ring body with the bottom of the electric push rod, the height of the ring body and the protection assembly and the clamping assembly above the ring body can be adjusted through the extension and retraction of the electric push rod, so that the welding requirements of the generator stator with different thicknesses or specifications can be adapted, the limitation that the traditional equipment can only adapt to a single specification stator is broken, the protection assembly adopts the structure that a protection ring is clamped in a clamping groove, the protection ring can be quickly disassembled and assembled, the reinforcing net frame in the protection ring can enhance the structural strength of the protection ring without affecting the observation of the welding process, and the protection ring is prevented from being deformed due to high welding temperature or external force impact.

Description

Technical Field

[0001] This application relates to automatic welding, and more particularly to an automatic welding device for generator stators. Background Technology

[0002] As the stationary core component of a generator or motor, the stator mainly consists of three parts: the stator core, the stator windings, and the frame. Its core function is to generate a rotating magnetic field, which directly affects the overall operating performance and efficiency of the motor. In the manufacturing process of generator stators, the welding process of stator laminations is a key link that determines product quality. Welding precision not only affects the integrity of the stator core but also affects the subsequent winding installation and magnetic field stability. Therefore, the demand for automation and precision in stator welding is becoming increasingly prominent, driving the application and improvement of automatic welding technology in this field.

[0003] Existing generator stator welding processes largely rely on manual operation. Specifically, workers manually stack stator laminations one by one and then use a welding torch to weld along the stator edge in a straight line. The key drawback is that when manually positioning the stator laminations, there is a lack of stable positioning references, which can easily lead to the laminations shifting due to operational errors. Furthermore, existing equipment cannot achieve stable rotation of the stator during the welding process, which means that the welding torch can only weld along a fixed straight trajectory. This makes it difficult to adapt to the welding requirements of stators of different specifications or non-straight welds, which not only limits the applicability of the equipment but also further reduces welding efficiency and consistency.

[0004] To address the issues of low accuracy in manual positioning and the inability of the stator to rotate, the innovation of this application lies in designing a structure that can precisely position the stator, ensuring no offset when the loose pieces are stacked. At the same time, through a suitable rotating mechanism, the stator can be stably and controllably rotated during the welding process, thereby breaking the limitations of traditional linear welding, providing support for diverse weld trajectories, improving the adaptability of stator welding, and laying the foundation for the optimization of subsequent automated welding processes. Utility Model Content

[0005] The purpose of this application is to provide an automatic welding device for generator stators, which has the advantages of easy positioning and solves the problem that when manually positioning stator laminations, there is a lack of stable positioning references and the laminations are prone to displacement due to operational errors.

[0006] The automatic welding equipment for generator stators provided in this application adopts the following technical solution: it includes a welding host, a protective component and a clamping component, and a ring body. The clamping component is disposed on the top of the welding host, the protective component is disposed on the top of the welding host, the protective component is located outside the clamping component, and the protective component is disposed on the top of the ring body.

[0007] By adopting the above technical solution, the welding point can be protected during welding by setting up protective components to prevent sparks from flying, and the stator can be positioned by setting up clamping components.

[0008] Preferably, the top of the welding host is provided with two sets of grooves, and each set of grooves is provided with a first electric push rod. The other end of the two sets of first electric push rods is fixedly connected to the bottom of the ring body, and the top of the ring body is provided with a slot.

[0009] By adopting the above technical solution, by setting a second electric push rod in the groove at the top of the welding host and connecting it to the bottom of the ring body, the height of the ring body and the upper protective components and clamping components can be adjusted by the extension and retraction of the electric push rod, thereby adapting to the welding needs of generator stators of different thicknesses or specifications, breaking the limitation of traditional equipment that can only adapt to a single specification of stator.

[0010] Preferably, the protective component includes a protective ring that is snapped into a slot, a reinforcing mesh frame is provided inside the protective ring, and two sets of through slots are provided on the surface of the protective ring. Welding guns are provided on both sides of the welding host, and the two sets of welding guns are respectively arranged in the two sets of through slots.

[0011] By adopting the above technical solution, the protective component uses a structure in which the protective ring is snapped into the slot, which facilitates quick assembly and disassembly. The reinforcing mesh frame inside the protective ring can enhance the structural strength of the protective ring without affecting the observation of the welding process, and prevent the protective ring from deforming due to high welding temperature or external impact.

[0012] Preferably, the protective ring is made of stainless steel and the reinforcing mesh frame is made of aluminum alloy.

[0013] By adopting the above technical solution, the protective ring is made of stainless steel, which has good high temperature resistance and corrosion resistance. It can withstand the high temperature environment and welding fume erosion during the welding process for a long time, ensuring the service life of the protective ring.

[0014] Preferably, the clamping assembly includes a base plate, a second electric push rod is provided on the top of the base plate, a turntable is provided at the top of the second electric push rod, multiple sets of movable rods are provided on the top of the base plate, the other ends of the multiple sets of movable rods are movably connected to connecting rods via pins, multiple sets of movable frames are movably connected to the surface of the turntable via pins, clamping plates are provided on the top of the multiple sets of movable frames, and the multiple sets of connecting rods are respectively movably connected to the surface of the multiple sets of movable frames via pins.

[0015] By adopting the above technical solution, the clamping assembly drives the turntable to rise and fall through the second electric push rod at the top of the base plate. When the turntable rises and falls, it drives the surface movable frame to move synchronously. With the linkage of the movable rod and the connecting rod, the clamping plate at the top of the movable frame can be synchronously closed or opened. When the clamping plate is closed, it can form a uniform clamping force on stators of different diameters, and can position the stator.

[0016] Preferably, a drive motor is provided at the bottom of the welding host, and the other end of the output shaft of the drive motor is fixedly connected to the bottom of the base plate through a rotating shaft.

[0017] By adopting the above technical solution, the drive motor is fixedly connected to the base plate through the rotating shaft, which can drive the base plate, the upper clamping components, and the stator to rotate synchronously and stably, so that the stator can be adjusted as needed during the welding process without manually rotating the stator or moving the welding gun.

[0018] Preferably, the bottom of the welding host is equipped with casters near the four corners, and brake pads are installed inside the casters.

[0019] By adopting the above technical solution, the casters at the four corners of the bottom of the welding host can make the whole equipment move flexibly, making it easy to adjust the position of the equipment according to the layout of the production workshop, without relying on lifting equipment for transportation, reducing the difficulty of moving the equipment; the brake pads inside the casters can lock the casters during the equipment welding operation to prevent the equipment from sliding due to slight ground vibration or welding impact.

[0020] Preferably, a handle is provided on one side of the welding host, and the surface of the handle is provided with an anti-slip sleeve.

[0021] By adopting the above technical solution, the anti-slip sleeve can increase the friction between the hand and the handle, preventing it from falling off during movement.

[0022] In summary, this application includes at least one of the following beneficial technical effects: This automatic welding equipment for generator stators features a protective component that protects the welding area during welding, preventing sparks from flying. A clamping component positions the stator. A second electric push rod, located in a groove on the top of the welding host and connected to the bottom of the ring body, allows for height adjustment of the ring body, the protective component, and the clamping component. This adapts to welding requirements of generator stators of different thicknesses and specifications, breaking the limitation of traditional equipment that can only handle a single stator size. The protective component uses a structure where the protective ring is snapped into a slot for quick assembly and disassembly. The reinforcing mesh frame inside the protective ring enhances its structural strength without affecting observation of the welding process, preventing deformation due to high welding temperatures or external impacts. The clamping component drives the turntable to rise and fall via the second electric push rod on the top of the base plate. The rise and fall of the turntable causes the surface movable frame to move synchronously. Combined with the linkage of the movable rod and connecting rod, the clamping plates on the top of the movable frame can simultaneously close or open. When the clamping plates close, they create a uniform clamping force on stators of different diameters, effectively positioning the stator. Attached Figure Description

[0023] Figure 1 This is a bottom-view cross-sectional structural diagram of this application; Figure 2 This is a side-view perspective three-dimensional structural diagram of this application; Figure 3 This is a rear-view stereoscopic structural diagram of the present application; Figure 4 This is a schematic diagram of the clamping component in this application; Figure 5 This is a schematic diagram of the protective component in this application.

[0024] In the diagram: 1. Welding host; 2. Drive motor; 3. First electric push rod; 4. Groove; 5. Clamping assembly; 501. Base plate; 502. Turntable; 503. Second electric push rod; 504. Movable rod; 505. Connecting rod; 506. Clamping plate; 507. Movable frame; 6. Ring body; 601. Slot; 7. Protective assembly; 701. Reinforcing mesh frame; 702. Through groove; 703. Protective ring; 8. Handle; 9. Anti-slip sleeve; 10. Caster wheel; 11. Welding torch; 12. Brake pad. Detailed Implementation

[0025] The following is in conjunction with the appendix Figure 1 -Appendix Figure 5 This application will be described in further detail below.

[0026] Example 1: An automatic welding device for generator stators, referring to... Figure 1The system includes a welding host 1, a protective component 7, a clamping component 5, and a ring body 6. The clamping component 5 is located on the top of the welding host 1, and the protective component 7 is located on the top of the welding host 1. The protective component 7 is located outside the clamping component 5 and on the top of the ring body 6. By setting the protective component 7, the welding point can be protected during welding to prevent sparks from flying. By setting the clamping component 5, the stator can be positioned.

[0027] Example 2: An automatic welding device for generator stators, referring to... Figure 1 , Figure 5 The welding host 1 has two sets of grooves 4 on its top, and each set of grooves 4 is equipped with a first electric push rod 3. The other end of the first electric push rod 3 is fixedly connected to the bottom of the ring body 6. The top of the ring body 6 has a slot 601. By setting a second electric push rod 503 in the groove 4 on the top of the welding host 1 and connecting it to the bottom of the ring body 6, the height of the ring body 6 and the upper protective component 7 and clamping component 5 can be adjusted by extending and retracting the electric push rod, thereby adapting to the welding needs of generator stators of different thicknesses or specifications, breaking the limitation of traditional equipment that can only adapt to a single specification of stator. The protective component 7 includes a protective ring 703, which is snapped into the slot 601. A reinforcing mesh frame 701 is set inside the protective ring 703. The surface of the protective ring 703... Two sets of through slots 702 are provided on the surface. Welding guns 11 are provided on both sides of the welding host 1. The two sets of welding guns 11 are respectively set in the two sets of through slots 702. The protective component 7 adopts the structure of protective ring 703 being snapped into slot 601, which is convenient for quick assembly and disassembly. The reinforcing mesh frame 701 inside the protective ring 703 can enhance the structural strength of the protective ring 703 without affecting the observation of the welding process, and prevent the protective ring 703 from deforming due to high welding temperature or external force collision. The protective ring 703 is made of stainless steel, and the reinforcing mesh frame 701 is made of aluminum alloy. The protective ring 703 is made of stainless steel, which has good high temperature resistance and corrosion resistance, and can withstand the high temperature environment and welding fume erosion during the welding process for a long time, ensuring the service life of the protective ring 703.

[0028] Example 3: An automatic welding device for generator stators, referring to... Figure 1 , Figure 3 and Figure 4The clamping assembly 5 includes a base plate 501. A second electric push rod 503 is provided on the top of the base plate 501. A turntable 502 is provided at the top of the second electric push rod 503. Multiple sets of movable rods 504 are provided on the top of the base plate 501. The other ends of the multiple sets of movable rods 504 are movably connected to connecting rods 505 via pins. Multiple sets of movable frames 507 are movably connected to the surface of the turntable 502 via pins. Each set of movable frames 507 has a clamping plate 506 on its top. The multiple sets of connecting rods 505 are respectively movably connected to each other via pins. Connected to the surface of multiple movable frames 507, the clamping assembly 5 drives the turntable 502 to rise and fall via the second electric push rod 503 at the top of the base plate 501. When the turntable 502 rises and falls, it drives the movable frames 507 on the surface to move synchronously. With the linkage of the movable rod 504 and the connecting rod 505, the clamping plate 506 at the top of the movable frame 507 can be synchronously closed or opened. When the clamping plate 506 is closed, it can form a uniform clamping force on stators of different diameters, which can position the stators. The bottom of the welding host 1 is equipped with a drive. The other end of the output shaft of motor 2 is fixedly connected to the bottom of base plate 501 via a rotating shaft. Motor 2 can drive base plate 501 and the clamping assembly 5 above and stator to rotate synchronously and stably, so that the stator can be adjusted as needed during welding without manual rotation of stator or movement of welding gun 11. Universal wheels 10 are provided at the four corners of the bottom of welding host 1. Brake pads 12 are provided in the universal wheels 10. The universal wheels 10 at the four corners of the bottom of welding host 1 allow the whole equipment to move flexibly, making it easy to adjust the equipment position according to the layout of the production workshop without relying on lifting equipment, reducing the difficulty of equipment relocation. The brake pads 12 in the universal wheels 10 can lock the universal wheels 10 during equipment welding operation to prevent the equipment from sliding due to slight ground vibration or welding impact. A handle 8 is provided on one side of welding host 1. The surface of handle 8 is provided with anti-slip sleeve 9. Anti-slip sleeve 9 can increase the friction between the hand and handle 8 to prevent it from falling off during movement.

[0029] The implementation principle of this application embodiment is as follows: When using the automatic welding equipment for generator stators, firstly, the equipment is pushed to a suitable welding position in the production workshop by using the handle 8 with anti-slip sleeve 9 on one side of the equipment and the universal wheels 10 at the four corners of the bottom. After reaching the position, the brake pads 12 inside the universal wheels 10 are locked. The welding guns 11 on both sides of the welding host 1 have respectively entered the two sets of through grooves 702 on the surface of the protective ring 703. At the same time, the reinforcing mesh frame 701 inside the protective ring 703 is not deformed, ensuring that arc light and spatter are blocked during welding. Then, the stator is loaded and positioned. The generator stator to be welded is placed between the multiple sets of clamping plates 506 of the clamping assembly 5. The second electric push rod 503 on the top of the base plate 501 is activated. The second electric push rod 503 pushes the turntable 502 to rise. During the rise of the turntable 502, it drives the multiple sets of movable frames 507 connected by pins to move synchronously. This is coordinated with the movable rod 504 and connecting rod 5 on the top of the base plate 501. The linkage of 05 causes multiple sets of movable frames 507 to converge towards the center, thereby driving the top clamping plate 506 to clamp the stator synchronously until the clamping plate 506 forms a uniform clamping force on the stator, completing the precise positioning of the stator and preventing the stator fragments from shifting. According to the thickness or specifications of the stator to be welded, the second electric push rod 503 in the groove 4 at the top of the welding host 1 is activated. The height of the adjusting ring 6 is adjusted by the extension and retraction of the second electric push rod 503. The ring 6 drives the protective component 7 and the clamping component 5 above to rise and fall synchronously until the height and angle of the welding gun 11 are adapted to the welding position of the stator, ensuring that the welding gun 11 can accurately act on the part of the stator to be welded. The welding host 1 and the drive motor 2 at the bottom are activated, and the welding gun 11 begins the welding operation. At the same time, the drive motor 2 drives the base plate 501 and the clamping component 5 above and the stator to rotate synchronously and stably through the rotating shaft, so that the welding position of the stator can be adjusted as needed during the welding process without the need for manual rotation of the stator or movement of the welding gun 11.

Claims

1. An automatic welding device for a generator stator, comprising a welding host (1), a protective assembly (7), a clamping assembly (5), and a ring body (6), characterized in that: The clamping assembly (5) is located on the top of the welding host (1), the protective assembly (7) is located on the top of the welding host (1), the protective assembly (7) is located outside the clamping assembly (5), and the protective assembly (7) is located on the top of the ring body (6).

2. The automatic welding equipment for generator stators according to claim 1, characterized in that: The welding host (1) has two sets of grooves (4) on its top. Each of the two sets of grooves (4) is provided with a first electric push rod (3). The other end of the two sets of first electric push rods (3) is fixedly connected to the bottom of the ring body (6). The top of the ring body (6) is provided with a slot (601).

3. The automatic welding equipment for generator stators according to claim 2, characterized in that: The protective component (7) includes a protective ring (703), which is snapped into a slot (601). A reinforcing mesh frame (701) is provided inside the protective ring (703). Two sets of through slots (702) are opened on the surface of the protective ring (703). Welding guns (11) are provided on both sides of the welding host (1), and the two sets of welding guns (11) are respectively arranged in the two sets of through slots (702).

4. The automatic welding equipment for generator stators according to claim 3, characterized in that: The protective ring (703) is made of stainless steel, and the reinforcing mesh frame (701) is made of aluminum alloy.

5. The automatic welding equipment for generator stators according to claim 4, characterized in that: The clamping assembly (5) includes a base plate (501), a second electric push rod (503) is provided on the top of the base plate (501), a turntable (502) is provided on the top of the second electric push rod (503), a plurality of movable rods (504) are provided on the top of the base plate (501), and the other end of each of the plurality of movable rods (504) is movably connected to a connecting rod (505) by a pin. The surface of the turntable (502) is movably connected to a plurality of movable frames (507) by a pin. The top of each of the plurality of movable frames (507) is provided with a clamping plate (506), and the plurality of connecting rods (505) are movably connected to the surface of the plurality of movable frames (507) by pins.

6. The automatic welding equipment for generator stators according to claim 5, characterized in that: The bottom of the welding host (1) is provided with a drive motor (2), and the other end of the output shaft of the drive motor (2) is fixedly connected to the bottom of the base plate (501) through a rotating shaft.

7. An automatic welding device for a generator stator according to claim 6, characterized in that: The bottom of the welding host (1) is equipped with casters (10) near the four corners, and brake pads (12) are installed inside the casters (10).

8. The automatic welding equipment for generator stators according to claim 7, characterized in that: A handle (8) is provided on one side of the welding host (1), and an anti-slip sleeve (9) is provided on the surface of the handle (8).

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