Stainless steel casting welding equipment for curved surface chamfering and welding process

Abstract

The invention relates to the technical field of stainless steel welding, in particular to stainless steel casting welding equipment for curved surface chamfering and a welding technology.The stainless steel casting welding equipment comprises a welding table, a driving mechanism is installed on the left side of the top end of the welding table and comprises a driving box, and the bottom end of the driving box is connected with the top end of a limiting box; the right side of the limiting box is connected with the left side of a reciprocating assembly, a sliding block is arranged on the right side of the reciprocating assembly, the right side of the sliding block is arranged in the left side of a sliding rail in a sleeved mode, the top end of the sliding rail is fixedly arranged at the top end of the interior of the welding table, and a turnover mechanism is arranged at the front end of the reciprocating assembly and comprises a side plate. The angle can be conveniently adjusted, radian welding can be conveniently conducted on the stainless steel casting, the efficiency is improved, the manual labor burden is reduced, reciprocating welding of the curved surface chamfer of the stainless steel casting is achieved, the efficiency is improved, meanwhile, accurate positioning can be conducted, welding deviation is prevented, and the attractiveness is improved.

Description

Technical Field

[0001] The invention relates to the technical field of stainless steel welding, in particular to stainless steel casting welding equipment and a welding process for curved surface chamfering. Background Art

[0002] In the field of modern industrial manufacturing, stainless steel castings are widely used due to their excellent corrosion resistance, high strength and good processing performance. As a common structural feature in part design and manufacturing, curved chamfering is of great significance for improving the functionality and aesthetics of parts and reducing stress concentration. With the continuous development of industrial technology, the requirements for the quality and performance of curved chamfering of stainless steel castings are increasing. For example, in the fields of aerospace, automobile manufacturing, medical equipment, etc., the curved chamfering of parts not only needs to have good geometric accuracy and surface roughness, but also needs to maintain stable performance under extreme working environments. However, existing processing technologies still have certain limitations in meeting these diverse and stringent requirements. For example, the patent with announcement number CN117900720A discloses a stainless steel pipe welding device, which relates to the field of steel pipe welding technology. The support assembly provided by the present invention can weld steel pipes of any length and is easy to disassemble and install. In combination with the traction assembly, semi-automatic steel pipe welding can be achieved, thereby improving the efficiency of steel pipe welding. The support assembly can also adjust the entire device to a position coaxial with the steel pipe, thereby improving the welding accuracy. The present invention allows the welding part to weld a fish scale-shaped weld at the weld of two steel pipes by setting a unique motion trajectory of the welding part, thereby making the weld more beautiful and ensuring the quality. However, the stainless steel casting needs to be welded after the curved surface is chamfered. The conventional welding method is to manually fix the stainless steel casting simply and then use a handheld electric welding device to fix it by electric welding. Although this method is simple, it is extremely labor-intensive, and it is difficult to weld at the curved surface position, which affects the welding efficiency. In addition, long-term manual welding affects its accuracy and is prone to welding deviation, which affects the overall appearance. Summary of the invention

[0003] The object of the present invention is to provide a stainless steel casting welding device and a welding process for curved surface chamfering to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a stainless steel casting welding device for chamfering curved surfaces, comprising a welding table, a driving mechanism is installed on the left side of the top of the welding table, the driving mechanism comprises a driving box, the bottom end of the driving box is connected to the top of a limit box, the right side of the limit box is connected to the left side of a reciprocating component, a slider is provided on the right side of the reciprocating component, the right side of the slider is sleeved inside the left side of a slide rail, the top of the slide rail is fixed to the inner top of the welding table, a flip mechanism is provided at the front end of the reciprocating component, the flip mechanism comprises a side plate, a flip assembly is inserted into the inner bottom end of the side plate, and the The top of the side panel is fixed on the top of the welding table, and a welding assembly is fixedly installed at the center of the flipping mechanism. The welding assembly includes a welding machine, which is installed at the front end of the flipping assembly. A connecting line is provided at the top of the welding machine, and the top of the connecting line is connected to the bottom end of a power box, which is installed on the front side of the top of the welding table. A lifting mechanism is fixedly installed at the center of the table top of the welding table, and the lifting mechanism includes a pad, and a lifting assembly is installed on the top of the pad. A clamping piece is fixedly installed on the top of the lifting assembly, and the left side of the lifting assembly is connected to the right side of the transmission mechanism, and the top side of the transmission mechanism is connected to the inside of the limit box.

[0005] Preferably, a fixing plate is fixedly provided at the rear end of the welding table, a transverse plate is provided at the front side of the top end of the fixing plate, and an extension opening is provided at the right side of the center of the transverse plate.

[0006] Preferably, the top of the limit box is fixed on the left side of the top of the horizontal plate, and the third rotating shaft is inserted in the center of the top of the limit box, the top of the third rotating shaft is connected to the bottom of the driving box, the bottom side of the third rotating shaft is sleeved with the center of the upper vertical bevel gear, the right side of the upper vertical bevel gear engages with the top of the upper horizontal bevel gear, the left end of the fourth rotating shaft is fixed to the center of the upper horizontal bevel gear, and the right side of the fourth rotating shaft passes through the central inner wall of the vertical plate, and the upper and lower ends of the vertical plate are fixed on the left side of the center of the table top of the welding table.

[0007] Preferably, the reciprocating assembly includes a main rotating shaft, the left side of the main rotating shaft is connected to the right end of the fourth rotating shaft, the upper and lower sides of the main rotating shaft are provided with auxiliary rotating shafts, the left sides of the auxiliary rotating shafts are inserted into the right outer wall of the vertical plate, the centers of the main rotating shaft and the auxiliary rotating shaft are provided with chain group connecting sleeves, the right side of the auxiliary rotating shaft is provided with half-gears in the same direction, the center of the half-gears is provided with a double-gear plate, and the right center of the double-gear plate is fixedly provided with a connecting slider.

[0008] Preferably, the flipping assembly includes a limiting rotating shaft, both ends of which are inserted into the inner side of the bottom end of the side plate, parallel externally toothed semicircular plates are fixed on both sides of the limiting rotating shaft, a connecting block is fixed on the inner side of the externally toothed semicircular plate, and the front end of the connecting block is fixed to the rear side of the welding machine.

[0009] Preferably, the lifting assembly includes a limit box, a lifting cylinder is inserted in the center of the limit box, a fixed block is fixed to the left side of the bottom end of the lifting cylinder, the rear end of the first rotating shaft is inserted in the front end of the fixed block, and the first gear is fixed in the center of the first rotating shaft.

[0010] Preferably, the lifting cylinder comprises a hollow cylinder, a square groove is provided on the left side of the bottom end of the hollow cylinder, a sliding column is provided inside the hollow cylinder, a side opening is provided on the left side of the sliding column, and a short tooth plate is fixed on the inner wall of the side opening.

[0011] Preferably, the clamping member comprises a U-shaped frame, the bottom end of the U-shaped frame is fixedly arranged on the top end of the sliding column, and both sides of the top end of the U-shaped frame are threadedly sleeved with the center of the limiting bolt.

[0012] The present invention also discloses a stainless steel casting welding device and a welding process for chamfering curved surfaces, wherein the driving box drives the third rotating shaft at the bottom end to rotate, and the rotation of the third rotating shaft drives the upper vertical bevel gear fixed on the bottom side to rotate and mesh with the upper horizontal bevel gear on the right side to rotate. The rotation of the upper horizontal bevel gear can drive the fourth rotating shaft to rotate, and the fourth rotating shaft can rotate with the main rotating shaft connected and fixed thereto. When the main rotating shaft rotates, the auxiliary rotating shafts inserted at the upper and lower ends are driven to rotate under the fixed arrangement of the sleeved chain group. When the auxiliary rotating shaft rotates, the two groups of half-mouth gears are driven to respectively mesh with the double-mouth rack plate in the center. The double-mouth rack plate reciprocates and meshes with the outer tooth semicircular plate at the front end under the sequential meshing of the half-mouth gears. The outer tooth semicircular plate is connected to another group of outer tooth semicircular plates through a connecting block, and then the arc is rotated and reciprocatedly welded by a welding machine installed at the front end of the connecting block.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. By setting a driving mechanism, the driving box provided in the driving mechanism can drive the third rotating shaft and the fourth rotating shaft inside the limit box to engage and rotate, and then the main rotating shaft and the auxiliary rotating shaft provided in the reciprocating assembly rotate, so that the half-gear fixed on the right side reciprocates and engages with the double-gear rack plate in turn to move. Through this device, the flip mechanism can be reciprocated while rotating, so as to facilitate the adjustment of the angle, facilitate the arc welding of stainless steel castings, improve efficiency and reduce the burden of manual labor; 2. By setting up a flip mechanism and a welding assembly, the outer toothed semicircular plates on both sides of the limit rotating shaft provided inside the flip assembly in the flip mechanism are reciprocated under the meshing of the double-mouth rack plate, thereby driving the welding assembly fixed at the front end to rotate in a certain arc, thereby realizing reciprocating welding of the curved chamfer of the stainless steel casting, improving efficiency and accurately positioning to prevent welding deviation and improve aesthetics; 3. By setting a lifting mechanism and a transmission mechanism, the lifting assembly provided in the lifting mechanism can drive the transmission rod at the bottom to rotate under the connection of the second belt group connected in the transmission mechanism, and the first belt group is driven to drive the first rotating shaft inside the lifting assembly to rotate through the rotation of the transmission rod, so that the sliding column at the top is raised to support the stainless steel casting, thereby reducing manual limiting and facilitating welding operations; 4. In addition to the above structural design, a clamping piece is provided, and a simple-to-operate U-shaped frame and a threaded limiting bolt can be used to quickly clamp and limit the stainless steel casting, making it easier for the welding machine to perform welding and improving efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic front view of the structure of the present invention; Figure 2 It is a schematic side view of the structure of the present invention; Figure 3 It is a front view schematic diagram of the main structure of the present invention; Figure 4 It is a front cross-sectional schematic diagram of the lifting mechanism of the present invention; Figure 5 It is a side view schematic diagram of the transmission mechanism of the present invention; Figure 6 It is an enlarged schematic diagram of the welding assembly structure of the present invention; Figure 7 It is an enlarged schematic diagram of the turning mechanism of the present invention; Figure 8 It is a schematic top view of the driving mechanism structure of the present invention.

[0016] In the figure: 1, welding table; 11, fixed plate; 12, horizontal plate; 13, extension port; 2, driving mechanism; 21, driving box; 22, limit box; 221, third rotating shaft; 222, upper vertical bevel gear; 223, upper horizontal bevel gear; 224, fourth rotating shaft; 225, vertical plate; 23, reciprocating assembly; 231, main rotating shaft; 232, chain group; 233, auxiliary rotating shaft; 234, half-mouth gear; 235, double-mouth rack plate; 24, slider; 25, slide rail; 3, turning mechanism; 31, turning assembly; 311, limit rotating shaft; 312, outer tooth semicircular plate; 313, connecting block; 32, side plate; 4, welding assembly; 4 1. Power box; 42. Connecting wire; 43. Welding machine; 5. Lifting mechanism; 51. Pad; 52. Lifting assembly; 521. Limit box; 522. Lifting cylinder; 5221. Hollow cylinder; 5222. Square groove; 5223. Sliding column; 5224. Side opening; 5225. Short tooth plate; 523. Fixed block; 524. First rotating shaft; 525. First gear; 6. Clamp; 61. U-shaped frame; 62. Limit bolt; 7. Transmission mechanism; 71. First belt group; 72. Transmission rod; 73. Limit block; 74. Lower horizontal bevel gear; 75. Lower longitudinal bevel gear; 76. Second rotating shaft; 77. Second belt group. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-Figure 8An embodiment of the present invention is a stainless steel casting welding device for chamfering a curved surface, comprising a welding table 1, characterized in that a driving mechanism 2 is installed on the left side of the top of the welding table 1, the driving mechanism 2 comprises a driving box 21, the bottom end of the driving box 21 is connected to the top of a limit box 22, the right side of the limit box 22 is connected to the left side of a reciprocating component 23, a slider 24 is provided on the right side of the reciprocating component 23, the right side of the slider 24 is sleeved inside the left side of a slide rail 25, the top of the slide rail 25 is fixedly arranged on the top of the inner part of the welding table 1, a flip mechanism 3 is provided at the front end of the reciprocating component 23, the flip mechanism 3 comprises a side plate 32, the flip assembly 31 is inserted into the inner bottom end of the side plate 32, and the side plate The top of 32 is fixed on the top of the welding table 1, and the center of the flipping mechanism 3 is fixedly installed with a welding component 4, which includes a welding machine 43, which is installed at the front end of the flipping component 31. The top of the welding machine 43 is provided with a connecting line 42, and the top of the connecting line 42 is connected to the bottom of the power box 41, and the power box 41 is installed on the front side of the top of the welding table 1. A lifting mechanism 5 is fixedly installed at the center of the table top of the welding table 1, and the lifting mechanism 5 includes a pad 51, and a lifting component 52 is installed on the top of the pad 51. A clamping part 6 is fixed on the top of the lifting component 52, and the left side of the lifting component 52 is connected to the right side of the transmission mechanism 7, and the top side of the transmission mechanism 7 is connected to the inside of the limit box 22.

[0019] Furthermore, a fixing plate 11 is fixedly provided at the rear end of the welding table 1, a transverse plate 12 is provided at the front side of the top end of the fixing plate 11, and an extension opening 13 is provided at the right side of the center of the transverse plate 12 for easy operation.

[0020] As a further feature of the present invention, the top of the limit box 22 is fixed on the left side of the top of the horizontal plate 12, and a third rotating shaft 221 is inserted in the center of the top of the limit box 22. The top of the third rotating shaft 221 is connected to the bottom of the driving box 21, and the bottom side of the third rotating shaft 221 is sleeved with the center of the upper vertical bevel gear 222. The right side of the upper vertical bevel gear 222 engages with the top of the upper horizontal bevel gear 223. The left end of the fourth rotating shaft 224 is fixed to the center of the upper horizontal bevel gear 223. The right side of the fourth rotating shaft 224 passes through the central inner wall of the vertical plate 225. The upper and lower ends of the vertical plate 225 are fixed on the left side of the center of the table top of the welding table 1. This device is beneficial to driving the reciprocating component to work, improving efficiency and reducing energy consumption.

[0021] Furthermore, the reciprocating assembly 23 includes a main rotating shaft 231, the left side of the main rotating shaft 231 is connected to the right end of the fourth rotating shaft 224, the upper and lower sides of the main rotating shaft 231 are provided with auxiliary rotating shafts 233, the left sides of the auxiliary rotating shafts 233 are inserted into the right outer wall of the vertical plate 225, the centers of the main rotating shaft 231 and the auxiliary rotating shaft 233 are provided with a chain group 232 for connection, the right side of the auxiliary rotating shaft 233 is provided with a half-gear 234 with the same direction, the center of the half-gear 234 is provided with a double-gear plate 235, and the right center of the double-gear plate 235 is fixedly provided with a connecting slider 24, which is beneficial for adjusting the angle and facilitating arc welding of stainless steel castings.

[0022] Furthermore, the flip assembly 31 includes a limit shaft 311, both ends of which are inserted into the inner side of the bottom end of the side plate 32, and parallel outer tooth semicircular plates 312 are fixed on both sides of the limit shaft 311, and a connecting block 313 is fixed on the inner side of the outer tooth semicircular plate 312, and the front end of the connecting block 313 is fixed to the rear side of the welding machine 43. Through continuous reciprocating rotation, the chamfered parts of the curved surface of the stainless steel casting are welded, thereby improving efficiency and reducing the burden of manual labor.

[0023] As a further feature of the present invention, the lifting assembly 52 includes a limit box 521, a lifting cylinder 522 is inserted in the center of the limit box 521, a fixing block 523 is fixedly provided on the left side of the bottom end of the lifting cylinder 522, the rear end of the first rotating shaft 524 is inserted in the front end of the fixing block 523, a first gear 525 is fixedly provided in the center of the first rotating shaft 524, the lifting cylinder 522 includes a hollow cylinder 5221, a square groove 5222 is provided on the left side of the bottom end of the hollow cylinder 5221, a sliding column 5223 is provided inside the hollow cylinder 5221, a side opening 5224 is provided on the left side of the sliding column 5223, a short tooth plate 5225 is fixedly provided on the inner wall of the side opening 5224, which is beneficial for lifting the stainless steel casting to facilitate welding by the welding machine.

[0024] Furthermore, the clamping member 6 includes a U-shaped frame 61, the bottom end of the U-shaped frame 61 is fixed to the top of the sliding column 5223, and both sides of the top of the U-shaped frame 61 are threadedly sleeved with the center of the limiting bolt 62, which is beneficial to clamping the stainless steel casting to facilitate welding and improve stability.

[0025] Furthermore, the transmission mechanism 7 includes a first belt group 71, the right end of the first belt group 71 is connected to the central rear end of the first rotating shaft 524, the left side of the first belt group 71 is connected to the front end of the transmission rod 72, the front and rear sides of the transmission rod 72 are both sleeved on the inner center of the limit block 73, the rear side of the transmission rod 72 is fixed with a lower transverse bevel tooth 74, the right end of the lower transverse bevel tooth 74 engages with the lower longitudinal bevel tooth 75, the lower longitudinal bevel tooth 75 is fixed on the left end of the second rotating shaft 76, the right end of the second rotating shaft 76 is inserted on the left side of the bottom end of the vertical plate 225, the bottom end of the second belt group 77 is provided on the right side of the center of the second rotating shaft 76, and the top of the second belt group 77 is fixed on the center of the fourth rotating shaft 224, thereby reducing manual limiting and facilitating welding operations.

[0026] Working principle: During operation, when it is necessary to weld the chamfered surface of the stainless steel casting, it is only necessary to place the stainless steel casting on the top of the U-shaped frame 61 in the clamp 6, and then rotate the limit bolt 62 to fix it, and then start the drive box 21 to drive the third rotating shaft 221 connected to the bottom end to rotate, and the rotation of the third rotating shaft 221 drives the upper vertical bevel gear 222 fixed on the bottom side to rotate and engage the upper horizontal bevel gear 223 on the right side to rotate, and then the upper horizontal bevel gear 223 rotates to drive the fourth rotating shaft 224 to rotate, and the fourth rotating shaft 224 that passes through the inner wall of the vertical plate 225 can rotate to engage with the fixed The main rotating shaft 231 is synchronously rotated. When the main rotating shaft 231 rotates, the chain group 232 fixed at the center of the main rotating shaft 231 drives the auxiliary rotating shaft 233 inserted at the upper and lower ends to rotate. When the auxiliary rotating shaft 233 rotates, it drives the two groups of half-mouth gears 234 to respectively mesh with the double-mouth rack plate 235 in the center to mesh and move in sequence. The double-mouth rack plate 235 reciprocates and meshes with the outer tooth semicircular plate 312 at the front end under the sequential meshing of the half-mouth gears 234. The outer tooth semicircular plate 312 is connected to another group of outer tooth semicircular plates 312 through a connecting block 313, and then the welding machine 43 installed at the front end of the connecting block 313 is used for welding. The fourth rotating shaft 224 rotates in an arc. When the welding machine 43 rotates, the fourth rotating shaft 224 drives the second belt group 77 at the top to rotate. When the second belt group 77 rotates, it drives the second rotating shaft 76 inserted at the bottom on the left side of the vertical plate 225 to rotate. When the second rotating shaft 76 rotates, it can drive the lower longitudinal bevel gear 75 fixed at the front end to engage with the lower transverse bevel gear 74 on the left front side to rotate. The rotation of the lower transverse bevel gear 74 can drive the rotating rod 72 to rotate. The transmission rod 72 rotates in place while being inserted into the inner walls of the limit blocks 73 at both ends. When the transmission rod 72 rotates, it drives the first belt group 76 fixed at the front end 76 to rotate. 1 drives the first rotating shaft 524 at the right end to rotate, and the first rotating shaft 524 rotates in the limit box 521. When the first rotating shaft 524 rotates, the first gear 525 fixed at the center can engage with the short tooth plate 5225 in the sliding column 5223 inside the square groove 5222 on the left side of the hollow cylinder 5221 on the right side to engage and rise. When the engaged short tooth plate 5225 drives the sliding column 5223 to rise in the hollow cylinder 5221, it can drive the fixed clamping member 6 to be pushed to the bottom end of the welding machine 43. Finally, the power box 41 is started to drive the electric welder 43 to work under the connection of the connecting line 42 to weld the stainless steel casting.

[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A stainless steel casting welding device for curved surface chamfering, comprising a welding table (1), characterized in that: A driving mechanism (2) is installed on the left side of the top of the welding table (1), the driving mechanism (2) comprising a driving box (21), the bottom end of the driving box (21) being connected to the top of a limit box (22), the right side of the limit box (22) being connected to the left side of a reciprocating assembly (23), the right side of the reciprocating assembly (23) being provided with a slider (24), the right side of the slider (24) being sleeved inside the left side of a slide rail (25), the top of the slide rail (25) being fixedly mounted on the top of the welding table (1), the front end of the reciprocating assembly (23) being provided with a flipping mechanism (3), the flipping mechanism (3) comprising a side plate (32), the bottom end of the side plate (32) being inserted with a flipping assembly (31), the top of the side plate (32) being fixedly mounted on the top of the welding table (1), the flipping mechanism (3) A welding assembly (4) is fixedly installed at the center of the welding table (1), the welding assembly (4) comprising a welding machine (43), the welding machine (43) being installed at the front end of the flip assembly (31), a connecting wire (42) being provided at the top end of the welding machine (43), the top end of the connecting wire (42) being connected to the bottom end of a power supply box (41), the power supply box (41) being installed at the front side of the top end of the welding table (1), a lifting mechanism (5) being fixedly installed at the center of the table top of the welding table (1), the lifting mechanism (5) comprising a pad (51), a lifting assembly (52) being installed at the top end of the pad (51), a clamping member (6) being fixedly installed at the top end of the lifting assembly (52), the left side of the lifting assembly (52) being connected to the right side of a transmission mechanism (7), and the top side of the transmission mechanism (7) being connected to the inside of a limit box (22).

2. The stainless steel casting welding equipment for curved surface chamfering according to claim 1 is characterized by: A fixing plate (11) is fixedly provided at the rear end of the welding table (1), a transverse plate (12) is provided at the front side of the top end of the fixing plate (11), and an extension opening (13) is provided at the right side of the center of the transverse plate (12).

3. The stainless steel casting welding equipment for curved surface chamfering according to claim 1 is characterized in that: The top end of the limit box (22) is fixedly arranged on the left side of the top end of the horizontal plate (12); a third rotating shaft (221) is inserted into the center of the top end of the limit box (22); the top end of the third rotating shaft (221) is connected to the bottom end of the driving box (21); the center of the upper vertical bevel gear (222) is sleeved on the bottom side of the third rotating shaft (221); the right side of the upper vertical bevel gear (222) is engaged with the top end of the upper horizontal bevel gear (223); the left end of the fourth rotating shaft (224) is fixedly arranged in the center of the upper horizontal bevel gear (223); the right side of the fourth rotating shaft (224) passes through the central inner wall of the vertical plate (225); and the upper and lower ends of the vertical plate (225) are fixedly arranged on the left side of the center of the table top of the welding table (1).

4. The stainless steel casting welding equipment for curved surface chamfering according to claim 1 is characterized in that: The reciprocating assembly (23) comprises a main rotating shaft (231), the left side of the main rotating shaft (231) is connected to the right end of the fourth rotating shaft (224), the upper and lower sides of the main rotating shaft (231) are provided with auxiliary rotating shafts (233), the left side of the auxiliary rotating shaft (233) is inserted into the right outer wall of the vertical plate (225), the center of the main rotating shaft (231) and the auxiliary rotating shaft (233) is provided with a chain group (232) for connection and sleeve, the right side of the auxiliary rotating shaft (233) is sleeved with a half-gear (234) with the same direction, the center of the half-gear (234) is provided with a double-gear rack plate (235), and the right center of the double-gear rack plate (235) is fixedly provided with a connecting slider (24).

5. The stainless steel casting welding equipment for curved surface chamfering according to claim 1 is characterized in that: The flip assembly (31) comprises a limit rotating shaft (311), both ends of which are inserted into the inner side of the bottom end of the side plate (32), parallel outer tooth semicircular plates (312) are fixedly arranged on both sides of the limit rotating shaft (311), a connecting block (313) is fixedly arranged on the inner side of the outer tooth semicircular plates (312), and the front end of the connecting block (313) is fixedly arranged on the rear side of the welding machine (43).

6. The stainless steel casting welding equipment for curved surface chamfering according to claim 1, characterized in that: The lifting assembly (52) comprises a limit box (521), a lifting cylinder (522) is inserted in the center of the limit box (521), a fixing block (523) is fixedly arranged on the left side of the bottom end of the lifting cylinder (522), a rear end of a first rotating shaft (524) is inserted in the front end of the fixing block (523), and a first gear (525) is fixedly arranged in the center of the first rotating shaft (524).

7. The stainless steel casting welding equipment for curved surface chamfering according to claim 6 is characterized by: The lifting cylinder (522) comprises a hollow cylinder (5221), a square groove (5222) is provided on the left side of the bottom end of the hollow cylinder (5221), a sliding column (5223) is provided inside the hollow cylinder (5221), a side opening (5224) is provided on the left side of the sliding column (5223), and a short tooth plate (5225) is fixedly provided on the inner wall of the side opening (5224).

8. The stainless steel casting welding equipment for curved surface chamfering according to claim 1 is characterized by: The clamping member (6) comprises a U-shaped frame (61), the bottom end of the U-shaped frame (61) being fixedly mounted on the top end of the sliding column (5223), and the centers of the limiting bolts (62) being threadedly sleeved on both sides of the top end of the U-shaped frame (61).

9. The stainless steel casting welding equipment for curved surface chamfering according to claim 1, characterized in that: The transmission mechanism (7) comprises a first belt group (71), the right end of the first belt group (71) is connected to the central rear end of the first rotating shaft (524), the left side of the first belt group (71) is connected to the front end of a transmission rod (72), the front and rear sides of the transmission rod (72) are both sleeved on the inner center of a limit block (73), a lower transverse bevel tooth (74) is fixedly provided on the rear side of the transmission rod (72), the right end of the lower transverse bevel tooth (74) meshes with a lower longitudinal bevel tooth (75), the lower longitudinal bevel tooth (75) is fixedly provided on the left end of a second rotating shaft (76), the right end of the second rotating shaft (76) is inserted on the left side of the bottom end of the vertical plate (225), the bottom end of a second belt group (77) is provided on the right side of the center of the second rotating shaft (76), and the top end of the second belt group (77) is fixedly provided on the center of a fourth rotating shaft (224).

10. The welding process of a stainless steel casting welding equipment for curved surface chamfering according to any one of claims 1 to 9, characterized in that: The driving box (21) drives the third rotating shaft (221) at the bottom to rotate, and the rotation of the third rotating shaft (221) drives the upper vertical bevel gear (222) fixed on the bottom to rotate and mesh with the upper horizontal bevel gear (223) on the right to rotate. The rotation of the upper horizontal bevel gear (223) can drive the fourth rotating shaft (224) to rotate, and the fourth rotating shaft (224) can rotate with the main rotating shaft (231) connected and fixed. When the main rotating shaft (231) rotates, the upper and lower ends are driven by the fixed chain group (232). The inserted auxiliary rotating shaft (233) rotates, and the auxiliary rotating shaft (233) drives two groups of half-gears (234) to respectively mesh with the double-gear rack plate (235) at the center. The double-gear rack plate (235) meshes and rotates reciprocatingly with the outer-toothed semicircular plate (312) at the front end under the sequential meshing of the half-gears (234). The outer-toothed semicircular plate (312) is connected to another group of outer-toothed semicircular plates (312) through a connecting block (313), and then rotates in an arc and reciprocates for welding through a welding machine (43) installed at the front end of the connecting block (313).

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