Fan shaft disc machining device and fan shaft disc for conveying corrosive gas

Abstract

The invention relates to a fan shaft disc machining device and a fan shaft disc used for conveying corrosive gas, and relates to the technical field of fan shaft discs. The machining device comprises a workbench, a through hole used for containing a chassis is formed in the workbench, the diameter of the through hole is larger than that of a mounting hole, and a supporting column is arranged below the workbench; a supporting table is arranged at the upper end of the supporting column, the upper end of the workbench is movably connected with a first welding gun, and the lower end of the workbench is movably connected with a second welding gun. The first welding gun and the second welding gun are matched to conduct welding machining on the fan shaft disc, and machining of the fan shaft disc is convenient.

Description

Technical Field

[0001] The present application relates to the technical field of fan shaft discs, and in particular to a fan shaft disc processing device and a fan shaft disc for conveying corrosive gases. Background Art

[0002] The shaft disc is the sleeve part where the impeller and the drive shaft are installed. The shaft disc can bear the weight of the impeller, transmit torque, and reduce vibration and noise. Usually, the fan impeller is sleeved on the outside of the shaft disc, and the shaft disc is sleeved on the outside of the drive shaft. Then, the drive shaft can be driven to rotate, thereby driving the impeller to rotate, and the fan can operate efficiently.

[0003] If the blower conveys corrosive gas, when the blower is running, the shaft disc in the prior art will be greatly affected by corrosion, which can easily lead to the shaft disc being damaged due to corrosion.

[0004] Therefore, how to make a shaft disc with simple structure and convenient processing has become a technical problem that needs to be solved urgently. Summary of the invention

[0005] In order to solve the above problems, the present application provides a fan shaft disc processing device and a fan shaft disc for conveying corrosive gases.

[0006] In a first aspect, the present application provides a fan shaft disc for conveying corrosive gas, which adopts the following technical solution: A fan shaft disc for conveying corrosive gas comprises a chassis, a mounting hole is provided on the axis center of the chassis, a through column is provided in the mounting hole, the through column is welded to the chassis, a clearance hole is provided at the axis center of the through column, a reinforcing arc plate is provided on the outer sleeve of the through column, one side of the reinforcing arc plate is welded to the chassis, and the other side of the reinforcing arc plate is welded to the through column.

[0007] By adopting the above technical solution, when making the shaft disc, the through-column is passed through the chassis, and then the through-column and the chassis are welded, and then the reinforcing arc plate is put on the outside of the through-column. At this time, one side of the reinforcing arc plate abuts against the chassis, and the other side abuts against the through-column, and then the reinforcing arc plate is welded to the chassis and the through-column. The structure is simple and the processing is convenient.

[0008] Optionally, the chassis, penetrating columns and reinforced arc plates are all made of stainless steel.

[0009] By adopting the above technical solution, the fan shaft disc made of a stainless steel chassis, through-columns and reinforced arc plates has good corrosion resistance during use, thereby increasing the service life of the shaft disc and thus increasing the service life of the fan.

[0010] In the second aspect, the present application provides a fan shaft disc processing device, which adopts the following technical solution: The fan shaft disc processing device includes a workbench, the workbench is provided with a through hole for placing a chassis, the diameter of the through hole is larger than the diameter of the mounting hole, a support column is arranged below the workbench, a support platform is arranged at the upper end of the support column, a welding gun 1 is movably connected to the upper end of the workbench, and a welding gun 2 is movably connected to the lower end of the workbench.

[0011] By adopting the above technical scheme, when processing the shaft disc, first place the chassis in the through hole, then pass the through column through the mounting hole, place the through column on the support platform, and then use welding gun one and welding gun two to weld the through column and the chassis; then remove the chassis and the through column, then put the reinforcing arc plate on the outside of the through column, and then put the through column, the chassis and the reinforcing arc plate upside down in the through hole, at this time, the reinforcing arc plate abuts against the side wall of the through hole, and the through column abuts against the support platform, and then use welding gun one and welding gun two again to weld the reinforcing arc plate to the through column and the chassis, so that the fan shaft disc processing is more convenient.

[0012] Optionally, a sliding block 1 is horizontally slidably connected to the workbench, a cylinder 1 is arranged at the upper end of the sliding block 1, and a welding gun 1 is arranged at an end of the cylinder 1 away from the workbench.

[0013] By adopting the above technical solution, when welding the fan shaft disc, the sliding block is operated to move in the direction close to the fan shaft disc, thereby driving the welding gun to move in the direction of the fan shaft disc, and then welding the upper end of the fan shaft disc. The structure is simple, the drive is convenient, and the convenience of welding the fan shaft disc is relatively high.

[0014] Optionally, a motor 1 is horizontally arranged on the piston rod of the cylinder 1, and the welding gun 1 is fixedly connected to the output shaft of the motor 1.

[0015] By adopting the above technical solution, the welding gun can be driven to rotate by manipulating the rotation of the output shaft of the motor, thereby adjusting the direction of the welding gun head, and then welding the upper end of the fan shaft disc. The structure is simple, the drive is convenient, and the convenience of welding the fan shaft disc is relatively high.

[0016] Optionally, a rack is provided at the upper end of the sliding block, and the teeth on the rack are arranged in a direction away from the perforation. A rotating rod is rotatably connected to the output shaft of the cylinder, and a gear is provided at one end of the rotating rod in the length direction. The gear is meshed with the rack, and one side of the gear is fixedly connected to a welding gun.

[0017] By adopting the above technical solution, the piston rod of the cylinder 1 is extended to drive the rotating rod, the gear 1 and the welding gun 1 to move. As the piston rod of the cylinder 1 is extended, the gear 1 and the rack 1 cooperate with each other, and the gun head of the welding gun 1 is tilted toward the direction close to the perforation. At this time, the gun head of the welding gun 1 is aimed at the junction of the penetration column and the chassis, and then the sliding block 1 can be slid to slide the welding gun 1 to the position where welding is required between the penetration column and the chassis, and then the welding gun 1 can be used to weld the chassis and the penetration column, and the convenience of adjusting the gun head of the welding gun 1 is relatively high; if the reinforcement arc plate is welded When welding, the reinforcing arc plate is sleeved on the outside of the penetration column, and then the reinforcing arc plate, the penetration column and the chassis are turned upside down at the penetration. At this time, the reinforcing arc plate is in contact with the side wall of the penetration. At this time, the piston rod of the cylinder is operated to retract. With the cooperation of the gear and the rack, the gun head of the welding gun and the workbench gradually become parallel. The gun head of the welding gun is aligned with the junction of the reinforcing arc plate and the chassis, and then the sliding block can be operated to move in the direction close to the reinforcing arc plate, so as to weld the reinforcing arc plate and the chassis. The convenience of welding the fan shaft disc is relatively high, and there is no need to adjust the angle of the welding gun many times.

[0018] Optionally, a bearing is provided at the output shaft of the cylinder one, the piston rod of the cylinder one is fixedly connected to the outer ring of the bearing, and the rotating rod is fixedly connected to the inner ring of the bearing.

[0019] By adopting the above technical solution, as the piston rod of cylinder one extends and as gear one cooperates with rack one, the rotating rod will rotate, and the bearing is used to reduce the friction generated by the rotation of the rotating rod, thereby increasing the service life of the rotating rod.

[0020] Optionally, a chamber is opened in the support column, and a lifting cylinder is arranged in the chamber. The output shaft of the lifting cylinder is arranged in the direction of the workbench. A second motor is arranged at the output shaft of the lifting cylinder. The output shaft of the second motor is fixedly connected to the axis center of the support platform. A three-jaw chuck for clamping the penetration column is arranged at the upper end of the support platform. The diameter of the three-jaw chuck is smaller than the diameter of the perforation.

[0021] By adopting the above technical solution, the three-jaw chuck is operated to clamp the penetration column, and the welding guns 1 and 2 are operated to align with the fan shaft disc, and then the fan shaft disc can be welded, and the output shaft of the motor 2 is operated to rotate, thereby driving the support platform to rotate; the circumferential welding of the fan shaft disc can be completed; after welding, the piston rod of the cylinder can be operated to extend, thereby driving the fan shaft disc to move out to the outside of the perforation, so as to facilitate the removal of the fan shaft disc, which is very convenient.

[0022] Optionally, a sliding block 2 is horizontally slidably connected to the workbench, a cylinder 2 is provided at the lower end of the sliding block 2, a welding gun 2 is provided at the end of the cylinder 2 away from the workbench, the welding gun 2 is tilted toward the direction of the workbench, and the gun head of the welding gun 2 is located at the end close to the workbench.

[0023] By adopting the above technical solution, the sliding block 2 is manipulated to slide, thereby driving the cylinder 2 to slide in the horizontal direction, and the piston rod of the cylinder 2 is manipulated to extend and retract, thereby driving the welding gun 2 to move in the vertical direction. The structure is simple and the driving is convenient.

[0024] Optionally, a supporting arc platform is provided below the through hole, and the supporting arc platform is fixedly connected to the lower end of the workbench.

[0025] By adopting the above technical solution, when the reinforcing arc plate, the through-column and the chassis are inverted at the through-hole, the reinforcing arc plate abuts against the supporting arc platform, thereby improving the convenience and stability of placing the reinforcing arc plate.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. When processing the shaft disc, first place the chassis in the through hole, then pass the through column through the mounting hole, place the through column on the support platform, and then use welding gun 1 and welding gun 2 to weld the through column and the chassis; then remove the chassis and the through column, then put the reinforcing arc plate on the outside of the through column, and then put the through column, chassis and reinforcing arc plate upside down in the through hole, at this time, the reinforcing arc plate abuts against the side wall of the through hole, and the through column abuts against the support platform, and then use welding gun 1 and welding gun 2 again to weld the reinforcing arc plate to the through column and the chassis, and the fan shaft disc processing is more convenient; 2. Operate the three-jaw chuck to clamp the piercing column, operate the welding gun 1 and welding gun 2 to align with the fan shaft disc, and then start welding the fan shaft disc, operate the output shaft of motor 2 to rotate, and then drive the support to rotate; the circumferential welding of the fan shaft disc can be completed; after welding, the piston rod of the cylinder can be operated to extend, and then the fan shaft disc can be driven to move out of the perforation, so as to facilitate the removal of the fan shaft disc, which is very convenient.

[0027] 3. By operating the piston rod of the cylinder to extend, the rotating rod, gear one and welding gun one can be driven to move. As the piston rod of the cylinder extends, the head of the welding gun one tilts toward the direction close to the perforation under the cooperation of gear one and rack one. At this time, the head of the welding gun one is aimed at the junction of the penetration column and the chassis, and then the sliding block one can be slid to slide the welding gun one to the position where welding is required between the penetration column and the chassis, and then the welding gun one can be used to weld the chassis and the penetration column. It is more convenient to adjust the head of the welding gun one; if the reinforcement arc plate is welded, the reinforcement arc plate will be welded. After the arc-fixing plate is sleeved on the outside of the penetration column, the arc-reinforced plate, the penetration column and the chassis are buckled upside down at the penetration hole. At this time, the arc-reinforced plate abuts against the side wall of the penetration hole. At this time, the piston rod of the cylinder 1 is operated to retract. Under the cooperation of the gear 1 and the rack 1, the gun head of the welding gun 1 and the workbench gradually tend to be parallel. The gun head of the welding gun 1 is aligned with the junction of the arc-reinforced plate and the chassis. Then, the sliding block 1 can be operated to move in the direction close to the arc-reinforced plate, and then the arc-reinforced plate and the chassis are welded. The convenience of welding the fan shaft disc is high, and there is no need to adjust the angle of the welding gun 1 many times. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 The present invention is a schematic diagram of the overall structure of a fan shaft disc used for conveying corrosive gases.

[0028] Figure 2 It is a schematic diagram of the overall structure of the first embodiment of the fan shaft disc processing device.

[0029] Figure 3 It is a cross-sectional schematic diagram of the first embodiment of the fan shaft disc processing device.

[0030] Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the fan shaft disc processing device.

[0031] Figure 5 It is a schematic diagram highlighting the rack in the second embodiment of the fan shaft disc processing device.

[0032] Figure 6 It is a cross-sectional schematic diagram of the second embodiment of the fan shaft disc processing device.

[0033] Explanation of the reference numerals in the accompanying drawings: 1. chassis; 11. mounting hole; 2. through-hole; 21. clearance hole; 3. reinforcement arc plate; 4. workbench; 41. through-hole; 42. support arc table; 5. support column; 51. support table; 52. chamber; 53. lifting cylinder; 54. motor two; 55. three-jaw chuck; 6. welding gun one; 61. sliding block one; 62. cylinder one; 63. motor one; 64. rack one; 65. rotating rod; 66. gear one; 67. bearing; 68. first push cylinder; 7. welding gun two; 71. sliding block two; 72. cylinder two; 73. second push cylinder. DETAILED DESCRIPTION

[0034] The present application is further described in detail below in conjunction with all the accompanying drawings.

[0035] The embodiment of the present application discloses a fan shaft disc for conveying corrosive gas.

[0036] Reference Figure 1 A fan shaft disc for conveying corrosive gas comprises a chassis 1, a mounting hole 11 is provided on the axis of the chassis 1, a through-hole 2 is provided in the mounting hole 11, when the shaft disc is manufactured, the through-hole 2 is passed through the chassis 1, and then the through-hole 2 and the chassis 1 are welded, a clearance hole 21 is provided on the axis of the through-hole 2, and a reinforcing arc plate 3 is provided on the outer cover of the through-hole 2 (refer to Figure 1 ), and then reinforce the arc plate 3 (refer to Figure 1 ) is placed on the outside of the penetrating column 2, and the arc plate 3 (refer to Figure 1 ) with one side in contact with the chassis 1 and the other side in contact with the through-column 2, and then the reinforcing arc plate 3 (refer to Figure 1 ) can be welded with the chassis 1 and the through-column 2 to complete the processing of the fan shaft disc. The structure is simple and the processing is convenient.

[0037] Among them, the chassis 1, the through column 2 and the reinforced arc plate 3 (refer to Figure 1 ) are all made of stainless steel; through the stainless steel chassis 1, through the column 2 and the reinforcement arc plate 3 (refer to Figure 1 ) The fan shaft disc produced has good corrosion resistance during use, thereby increasing the service life of the shaft disc and thus increasing the service life of the fan; other materials can also be used to make the fan shaft disc as long as they have good corrosion resistance.

[0038] The embodiment of the present application also discloses a fan shaft disc processing device.

[0039] Embodiment 1: Reference Figure 2 and Figure 3 The fan shaft disc processing device includes a workbench 4, a through hole 41 for placing the chassis 1 is opened on the workbench 4, the diameter of the through hole 41 is larger than the diameter of the mounting hole 11, a support column 5 is arranged below the workbench 4, and a support platform 51 is arranged at the upper end of the support column 5. A welding gun 1 6 is movably connected to the upper end of the workbench 4, and a welding gun 2 7 is movably connected to the lower end of the workbench 4. When processing the shaft disc, the chassis 1 is first placed in the through hole 41, and then the through column 2 is passed through the mounting hole 11, and the through column 2 is placed on the support platform 51, and then the through column 2 and the chassis 1 can be welded by using the welding gun 1 6 and the welding gun 2 7; then the chassis 1 and the through column 2 are removed, and then the reinforcing arc plate 3 (refer to Figure 1 ) is placed on the outside of the penetration column 2, and then the penetration column 2, the chassis 1 and the reinforcement arc plate 3 (refer to Figure 1) is placed upside down in the perforation 41, and the arc plate 3 (refer to Figure 1 ) abuts against the side wall of the through hole 41, the through-column 2 abuts against the support platform 51, and then the welding gun 1 6 and the welding gun 2 7 are used again to strengthen the arc plate 3 (refer to Figure 1 ) is welded to the through-column 2 and the chassis 1, and the fan shaft disc is easy to process.

[0040] Reference Figure 2 and Figure 3 A chamber 52 is provided in the support column 5, and a lifting cylinder 53 is provided in the chamber 52. The output shaft of the lifting cylinder 53 is arranged in the direction of the workbench 4. A motor 2 54 is provided at the output shaft of the lifting cylinder 53. The output shaft of the motor 2 54 is fixedly connected to the axis of the support platform 51. A three-jaw chuck 55 for clamping the piercing column 2 is provided at the upper end of the support platform 51. The piercing column 2 is clamped by the three-jaw chuck 55, and then the piston rod of the lifting cylinder 53 is operated to extend or retract to adjust the piercing column 2 to the position where it needs to be welded with the chassis 1.

[0041] Reference Figure 2 and Figure 3 A sliding block 61 is horizontally slidably connected to the workbench 4, a first pushing cylinder 68 is horizontally arranged at the upper end of the workbench 4, and the piston rod of the first pushing cylinder 68 is fixedly connected to the sliding block 61; a cylinder 62 is arranged at the upper end of the sliding block 61, a welding gun 6 is arranged at the end of the cylinder 62 away from the workbench 4, a motor 63 is horizontally arranged on the piston rod of the cylinder 62, and the welding gun 6 is fixedly connected to the output shaft of the motor 63; a sliding block 71 is horizontally slidably connected to the lower end of the workbench 4, a second pushing cylinder 73 is horizontally arranged at the lower end of the workbench 4, and the piston rod of the second pushing cylinder 73 is fixedly connected to the sliding block 71; the piston rods of the first pushing cylinder 68 and the second pushing cylinder 73 are both arranged in the direction of the through hole 41.

[0042] By operating the output shaft of the motor 63 to rotate, the direction of the gun head of the welding gun 6 is adjusted, and the gun head of the welding gun 6 is adjusted to be aligned with the junction of the penetration column 2 and the chassis 1; then the piston rod of the first push cylinder 68 is extended, and the piston rod of the cylinder 62 is retracted, driving the sliding block 61 to move toward the direction close to the penetration column 2.

[0043] Referring to the figure, a cylinder 2 72 is provided at the lower end of the sliding block 2 71, and the welding gun 2 7 is arranged at the end of the cylinder 2 72 away from the workbench 4. The welding gun 2 7 is tilted toward the direction of the workbench 4, and the gun head of the welding gun 2 7 is located at the end close to the workbench 4; the piston rod of the second pushing cylinder 73 is extended to adjust the position of the welding gun 2 7, and the sliding block 2 71 slides, thereby driving the cylinder 2 72 to slide in the horizontal direction; the height of the gun head of the welding gun 2 7 is adjusted by extending or retracting the piston rod of the cylinder 2 72, and the structure is simple and easy to drive.

[0044] Reference Figure 2 and Figure 3 , the gun heads of welding gun 1 6 and welding gun 2 7 are both brought into contact with the junction of the chassis 1 and the penetration column 2, and then the welding gun 1 6 and welding gun 2 7 can be used to weld the chassis 1 and the penetration column 2. During welding, the upper end junction and the lower end junction of the chassis 1 and the penetration column 2 can be welded at the same time, which is very convenient.

[0045] Reference Figure 2 and Figure 3 By operating the output shaft of the second motor 54 to rotate, the support platform 51 is driven to rotate, and then the three-jaw chuck 55, the penetration column 2 and the chassis 1 are driven to rotate, and the welding gun 1 6 and the welding gun 2 7 are used to weld the fan shaft disc at multiple angles; the structure is simple and the welding is convenient.

[0046] Reference Figure 2 and Figure 3 The diameter of the three-jaw chuck 55 is smaller than the diameter of the through hole 41. After the welding of the piercing column 2 and the chassis 1 is completed, the piston rod of the lifting cylinder 53 is extended by operating the lifting cylinder 53, thereby driving the piercing column 2 and the chassis 1 to rise; the staff can easily remove it, or use a robotic arm or other mobile components to remove the piercing column 2 and the chassis 1.

[0047] Reference Figure 2 and Figure 3 , reinforced arc plate 3 (refer to Figure 1 ) is set in an arc shape, and the reinforcement arc plate 3 (refer to Figure 1 ) is sleeved on the outside of the penetrating column 2, and the reinforcing arc plate 3 (refer to Figure 1 ) is in contact with the chassis 1, and the reinforcing arc plate 3 (refer to Figure 1 ) on the other side of the through-hole 41 is provided below the arc support 42, the arc support 42 is fixedly connected to the lower end of the workbench 4, the reinforcement arc plate 3 (reference Figure 1 ), when the column 2 is penetrated and the chassis 1 is inverted at the penetration hole 41, the arc plate 3 is reinforced (refer to Figure 1 ) abuts against the supporting arc platform 42, thereby raising the placement of the reinforcing arc plate 3 (refer to Figure 1 ) convenience and stability.

[0048] Reference Figure 2 and Figure 3 , operate the lifting cylinder 53 to extend again, use the three-claw chuck 55 to clamp the penetration column 2, adjust the welding gun 6 to align the gun head with the reinforcement arc plate 3 (refer to Figure 1 ) and the junction of the bottom plate, adjust the tip of the welding gun 7 to align with the reinforcement arc plate 3 (refer to Figure 1 ) and the junction of the through column 2, the reinforcement arc plate 3 (refer to Figure 1 ) for welding, and then the motor 2 54 is operated to rotate to complete the multi-angle welding of the reinforcement guard plate. The structure is simple and the processing is convenient. After the processing is completed, the piston rod of the lifting cylinder 53 can be operated to extend to push out the welded fan extraction plate, and the fan shaft disc can be easily removed, which is very convenient.

[0049] The working principle of the fan shaft disc processing device of the embodiment of the present application is as follows: when processing the shaft disc, first place the chassis 1 in the through hole 41, then pass the through-hole 2 through the mounting hole 11, place the through-hole 2 on the support 51, clamp the through-hole 2 with the three-jaw chuck 55, adjust the position of the through-hole 2 by lifting the cylinder 53, and then use the welding gun 1 6 and the welding gun 2 7 to weld the through-hole 2 and the chassis 1, and then drive the through-hole 2 and the chassis 1 to rotate by operating the rotation of the motor 2 54, and weld the through-hole 2 and the chassis 1 at multiple angles, which has a simple structure and is easy to process; then remove the chassis 1 and the through-hole 2, and then remove the reinforcing arc plate 3 (refer to Figure 1 ) is placed on the outside of the penetration column 2, and then the penetration column 2, the chassis 1 and the reinforcement arc plate 3 (refer to Figure 1 ) is inverted in the perforation 41, and the arc plate 3 (refer to Figure 1 ) abuts against the side wall of the through hole 41, and the three-jaw chuck 55 is used again to clamp the through column 2, and then the welding gun 1 6 and the welding gun 2 7 are used again to cooperate with the reinforcement arc plate 3 (refer to Figure 1 ) is welded to the through-column 2 and the chassis 1, and the fan shaft disc is easy to process.

[0050] Embodiment 2: Reference Figures 4 to 6 The difference between the second embodiment and the first embodiment is that the driving method of the welding gun 6 is different.

[0051] Reference Figures 4 to 6A rack 64 is provided at the upper end of the sliding block 61, and the gear teeth on the rack 64 are arranged in a direction away from the through hole 41. A rotating rod 65 is rotatably connected to the output shaft of the cylinder 62. A bearing 67 is provided at the output shaft of the cylinder 62. The piston rod of the cylinder 62 is fixedly connected to the outer ring of the bearing 67, and the rotating rod 65 is fixedly connected to the inner ring of the bearing 67. A gear 66 is provided at one end of the rotating rod 65 in the length direction. The gear 66 is meshed with the rack 64, and one side of the gear 66 is fixedly connected to the welding gun 6.

[0052] Reference Figures 4 to 6 By operating the piston rod of the cylinder 62 to extend, the rotating rod 65, the gear 66 and the welding gun 6 can be driven to move. As the piston rod of the cylinder 62 extends, the gear 66 and the rotating rod 65 rotate under the action of the rack 64. The bearing 67 is used to reduce the friction generated by the rotation of the rotating rod 65, thereby increasing the service life of the rotating rod 65.

[0053] Reference Figures 4 to 6 , the gun head of the welding gun 6 is tilted toward the direction close to the through hole 41. At this time, the gun head of the welding gun 6 is aligned with the junction of the penetration column 2 and the chassis 1. Then, the sliding block 61 can be slid to slide the welding gun 6 to the position where welding is required between the penetration column 2 and the chassis 1. Then, the welding gun 6 can be used to weld the chassis 1 and the penetration column 2. The convenience of adjusting the gun head of the welding gun 6 is relatively high.

[0054] Reference Figures 4 to 6 , in the reinforcement arc plate 3 (refer to Figure 1 ) When welding, the reinforcing arc plate 3 (refer to Figure 1 ) is placed on the outside of the through-column 2, and then the reinforcing arc plate 3 (refer to Figure 1 ), through the column 2, the chassis 1 is inverted at the hole 41, and the arc plate 3 is reinforced (refer to Figure 1 ) abuts against the side wall of the through hole 41, at this time, the piston rod of the operating cylinder 62 retracts, and under the cooperation of the gear 66 and the rack 64, the gun head of the welding gun 6 and the workbench 4 gradually become parallel, and the gun head of the welding gun 6 and the reinforcing arc plate 3 (refer to Figure 1 ) and the junction of the chassis 1, and then the sliding block 61 can be manipulated to approach the reinforcement arc plate 3 (refer to Figure 1 ) direction, and then the reinforcement arc plate 3 (refer to Figure 1 ) and chassis 1 for welding; welding the fan shaft disc is very convenient. Before use, the position where the welding gun 6 needs to stay can be preset. There is no need to adjust the angle of the welding gun 6 many times, and the processing convenience is relatively high.

[0055] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A fan shaft disc for conveying corrosive gas, comprising a chassis (1), characterized in that: The chassis (1) is provided with a mounting hole (11) at the axis center thereof, a through-hole (2) is provided in the mounting hole (11), the through-hole (2) is welded to the chassis (1), a clearance hole (21) is provided at the axis center thereof, a reinforcing arc plate (3) is provided on the outer sleeve of the through-hole (2), one side of the reinforcing arc plate (3) is welded to the chassis (1), and the other side of the reinforcing arc plate (3) is welded to the through-hole (2).

2. The fan shaft disc for conveying corrosive gas according to claim 1, characterized in that: The chassis (1), the penetration column (2) and the reinforcement arc plate (3) are all made of stainless steel.

3. Fan shaft disc processing device, characterized in that: A fan shaft disc for conveying corrosive gases as described in claim 1 is processed, comprising a workbench (4), the workbench (4) is provided with a through hole (41) for placing a chassis (1), the diameter of the through hole (41) is larger than the diameter of the mounting hole (11), a support column (5) is arranged below the workbench (4), a support platform (51) is arranged at the upper end of the support column (5), a welding gun 1 (6) is movably connected to the upper end of the workbench (4), and a welding gun 2 (7) is movably connected to the lower end of the workbench (4).

4. The fan shaft disc processing device according to claim 3 is characterized in that: A sliding block (61) is horizontally slidably connected to the workbench (4); a cylinder (62) is disposed at the upper end of the sliding block (61); and a welding gun (6) is disposed at an end of the cylinder (62) away from the workbench (4).

5. The fan shaft disc processing device according to claim 4 is characterized in that: A motor 1 (63) is horizontally arranged on the piston rod of the cylinder 1 (62), and the welding gun 1 (6) is fixedly connected to the output shaft of the motor 1 (63).

6. The fan shaft disc processing device according to claim 4 is characterized in that: A rack (64) is disposed at the upper end of the sliding block (61), the gear teeth on the rack (64) are disposed in a direction away from the through hole (41), a rotating rod (65) is rotatably connected to the output shaft of the cylinder (62), a gear (66) is disposed at one end in the length direction of the rotating rod (65), the gear (66) is meshed with the rack (64), and one side of the gear (66) is fixedly connected to the welding gun (6).

7. The fan shaft disc processing device according to claim 6, characterized in that: A bearing (67) is provided at the output shaft of the cylinder one (62), the piston rod of the cylinder one (62) is fixedly connected to the outer ring of the bearing (67), and the rotating rod (65) is fixedly connected to the inner ring of the bearing (67).

8. The fan shaft disc processing device according to claim 3 is characterized in that: The support column (5) is provided with a chamber (52), and a lifting cylinder (53) is arranged in the chamber (52). The output shaft of the lifting cylinder (53) is arranged in the direction of the workbench (4). A second motor (54) is arranged at the output shaft of the lifting cylinder (53). The output shaft of the second motor (54) is fixedly connected to the axis of the support platform (51). The upper end of the support platform (51) is provided with a three-jaw chuck (55) for clamping the penetration column (2), and the diameter of the three-jaw chuck (55) is smaller than the diameter of the through hole (41).

9. The fan shaft disc processing device according to claim 3, characterized in that: The workbench (4) is horizontally slidably connected to a second sliding block (71), a second cylinder (72) is arranged at the lower end of the second sliding block (71), a second welding gun (7) is arranged at an end of the second cylinder (72) away from the workbench (4), the second welding gun (7) is inclined toward the direction of the workbench (4), and the gun head of the second welding gun (7) is located at an end close to the workbench (4).

10. The fan shaft disc processing device according to claim 3, characterized in that: A supporting arc platform (42) is provided below the through hole (41), and the supporting arc platform (42) is fixedly connected to the lower end of the workbench (4).

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