Large sheet metal part welding device with automatic overturning function

Abstract

The invention discloses a large sheet metal part welding device with an automatic overturning function, which belongs to the technical field of sheet metal part welding processing and comprises an overturning positioning mechanism for positioning and overturning a sheet metal part and a welding mechanism for welding the sheet metal part, the overturning positioning mechanism comprises a rotating disc arranged in a rotating mode, a sliding base arranged on the rotating disc in a sliding mode, a side baffle arranged on the sliding base, a lifting air cylinder arranged on the side baffle and an abutting block capable of abutting against the side face of the sheet metal part, the abutting block is fixed to an output shaft of the lifting air cylinder, and a material passing hole is formed in the side face of the rotating disc. The sheet metal part overturning device has the effects that sheet metal parts of different sizes can be automatically overturned, and the overturning and positioning difficulty is reduced.

Description

Technical Field

[0001] This invention relates to the field of sheet metal welding processing technology, and in particular to a large sheet metal welding device with an automatic flipping function. Background Technology

[0002] In modern manufacturing, especially in the field of high-end equipment manufacturing, such as the automotive industry, aerospace, rail transportation, shipbuilding, and heavy machinery, the welding and processing of large sheet metal structural components plays a crucial role.

[0003] However, the flipping of large sheet metal parts still relies on cranes or manual assistance, which results in poor flipping accuracy and long time consumption. Some companies use fixed positioners, but due to limitations in load-bearing capacity and flexibility, they are unable to meet the needs of sheet metal parts of different sizes.

[0004] In response to the aforementioned technologies, there is an urgent need to design and develop a large sheet metal welding device with an automatic flipping function, which can automatically flip sheet metal parts of different sizes, reducing the difficulty of flipping and positioning. Summary of the Invention

[0005] In order to enable automatic flipping of sheet metal of different sizes and reduce the difficulty of flipping and positioning, this application provides a welding device for large sheet metal parts with automatic flipping function.

[0006] This application provides a welding device for large sheet metal parts with automatic flipping function, which adopts the following technical solution: A welding device for large sheet metal parts with automatic flipping function includes a flipping and positioning mechanism for positioning and flipping the sheet metal parts and a welding mechanism for welding the sheet metal parts. The flipping and positioning mechanism includes a turntable that is rotatably arranged, a slide seat that is slidably arranged on the turntable, a side baffle arranged on the slide seat, a lifting cylinder arranged on the side baffle, and an abutting block that can abut against the side of the sheet metal parts. The abutting block is fixed on the output shaft of the lifting cylinder. A material passage hole is opened on the side of the turntable.

[0007] By adopting the above technical solution, the turntable is rotated and has a material passage hole on its side. A slide block is slidably mounted on the turntable, a side baffle is mounted on the slide block, a lifting cylinder is mounted on the side baffle, and a stop block is fixed on the output shaft of the lifting cylinder. When it is necessary to weld sheet metal parts, the sheet metal parts are placed on the slide block through the material passage hole, and the lifting cylinder is driven to move the stop block to abut against the side of the sheet metal parts. This facilitates the fixing of sheet metal parts of different sizes, reduces the difficulty of flipping and positioning, and the rotation of the turntable causes the sheet metal parts to rotate. The welding mechanism then welds the sheet metal parts, improving welding efficiency.

[0008] Preferably, the welding mechanism includes a mounting ring slidably sleeved outside the slide block, a rotating ring rotatably sleeved on the mounting ring, and a welding torch for welding sheet metal parts, wherein the welding torch is rotatably mounted on the rotating ring.

[0009] By adopting the above technical solution, the mounting ring is slidably sleeved on the outside of the slide block, the rotating ring is rotatably sleeved on the mounting ring, and the welding torch is rotatably mounted on the rotating ring. During the welding process of sheet metal parts, driving the mounting ring to slide can drive the welding torch to slide, and driving the rotating ring to rotate can drive the welding torch to rotate, which facilitates welding of sheet metal parts from multiple angles and improves the welding quality of sheet metal parts.

[0010] Preferably, the mounting ring has a sliding ring groove, and the side of the mounting ring has a rotating groove that communicates with the sliding ring groove. The welding mechanism includes a first motor mounted on the mounting ring, a drive gear fixed on the output shaft of the first motor, a transition ring mounted in the sliding ring groove, and a third gear ring mounted on the transition ring. The rotating ring is mounted in the rotating groove and is connected to the transition ring. The third gear ring meshes with the drive gear.

[0011] By adopting the above technical solution, a sliding ring groove is provided inside the mounting ring, and a rotating groove is provided on the side of the mounting ring. The rotating groove is connected to the sliding ring groove. The first motor is mounted on the mounting ring, and the drive gear is fixed on the output shaft of the first motor. The adapter ring is located in the sliding ring groove, and the rotating ring is located in the rotating groove. The rotating ring is connected to the adapter ring, and the third gear ring is located on the adapter ring. When it is necessary to drive the welding torch to rotate, the first motor is driven to drive the drive gear to rotate. With the connection of the drive gear, the third gear ring, the adapter ring, and the rotating ring, the rotating ring drives the welding torch to rotate, which facilitates the rotation of the welding torch.

[0012] Preferably, the welding mechanism includes a second motor disposed within the rotating ring, a placement seat fixed to the output shaft of the second motor, a third motor disposed on the placement seat, a flipping seat fixed to the output shaft of the third motor, and a sliding cylinder disposed on the flipping seat. The placement seat is rotatably disposed on the rotating ring, the flipping seat is rotatably disposed within the placement seat, and the welding torch is disposed on the sliding cylinder.

[0013] By adopting the above technical solution, the second motor is set inside the rotating ring, the placement seat is fixed on the output shaft of the second motor, the placement seat is rotatably set on the rotating ring, the third motor is set on the placement seat, the tilting seat is fixed on the output shaft of the third motor, the tilting seat is rotatably set inside the placement seat, the sliding cylinder is set on the tilting seat, and the welding torch is set on the sliding cylinder. When it is necessary to adjust the angle of the welding torch, the second motor is driven to rotate the placement seat, and the third motor is driven to rotate the tilting seat. Under the connected action of the placement seat, the third motor, the tilting seat, the sliding cylinder, and the welding torch, it is convenient to adjust the angle of the welding torch.

[0014] Preferably, the welding mechanism includes a mounting base, a mounting plate disposed on the mounting base, a placement plate disposed next to the mounting plate, a fourth motor disposed on the mounting plate, a screw fixed to the output shaft of the fourth motor, and a limiting rod disposed on the mounting base. The placement plate is disposed on the mounting base, the mounting ring is threaded onto the screw, the mounting ring is slidably disposed on the limiting rod, the mounting ring is located between the mounting plate and the placement plate, and the mounting ring is slidably disposed within the mounting base.

[0015] By adopting the above technical solution, the mounting plate is set on the mounting base, the placement plate is set on the mounting base, the placement plate is set next to the mounting plate, the fourth motor is set on the mounting plate, the screw is fixed on the output shaft of the fourth motor, the mounting ring is threaded onto the screw, the limiting rod is set on the mounting base, the mounting ring is slidably fitted onto the limiting rod, the mounting ring is located between the mounting plate and the placement plate, and the mounting ring is slidably set inside the mounting base. When it is necessary to adjust the horizontal distance of the welding torch, the fourth motor is driven to drive the screw to rotate. Under the limiting action of the limiting rod, the mounting ring drives the welding torch to move horizontally, which facilitates the adjustment of the horizontal position of the welding torch, thereby improving the welding effect on sheet metal parts.

[0016] Preferably, the top surface of the mounting base is provided with a storage groove, the side surface of the mounting plate is provided with a transition groove, the bottom surface of the mounting plate is provided with a sliding groove, the turntable is rotatably disposed in the transition groove, and the bottom wall of the material passage hole is provided with a sliding groove. The storage groove, transition groove, sliding groove, and sliding groove are connected to each other. The flipping positioning mechanism includes a lifting cylinder disposed in the storage groove and a sealing plate for sealing the material passage hole. The sealing plate is fixed on the output shaft of the lifting cylinder and is vertically slidably disposed in the storage groove, sliding groove, transition groove, sliding groove, and material passage hole.

[0017] By adopting the above technical solution, a storage groove is provided on the top surface of the mounting base, a transition groove is provided on the side of the mounting plate, and a sliding groove is provided on the bottom surface of the mounting plate. The turntable is rotatably set in the transition groove, and a sliding groove is provided on the bottom wall of the material passage hole. The storage groove, transition groove, sliding groove, and sliding groove are connected. A lifting cylinder is set in the storage groove, and a sealing plate is fixed on the output shaft of the lifting cylinder. The sealing plate is vertically slidably set in the storage groove, sliding groove, transition groove, sliding groove, and material passage hole. When the sheet metal part is placed on the slide, the lifting cylinder is driven to move the sealing plate up to block the material passage hole, thereby improving the stability of the sheet metal part rotation during the turntable rotation and preventing the possibility of the sheet metal part detaching from the turntable along the material passage hole.

[0018] Preferably, the flipping positioning mechanism includes a rotating motor mounted on the mounting plate, a rotating column fixed on the output shaft of the rotating motor, a rotating plate rotatably mounted inside the placement plate, a first gear ring sleeved on the turntable, a second gear ring sleeved on the rotating plate, a first gear mounted on the rotating column, and a second gear rotatably mounted inside the placement plate. The rotating column is rotatably mounted on the mounting plate and the placement plate. The first gear ring is rotatably mounted inside the mounting plate and meshes with the first gear. The second gear ring is rotatably mounted inside the placement plate and the second gear is mounted on the rotating column and meshes with the second gear.

[0019] By adopting the above technical solution, the rotating motor is mounted on the mounting plate, the rotating column is fixed on the output shaft of the rotating motor, the first gear is mounted on the rotating column, the second gear is mounted on the rotating column, the first gear ring is sleeved on the turntable, the first gear ring is rotatably mounted inside the mounting plate, and the first gear ring meshes with the first gear. The rotating plate is rotatably mounted inside the placement plate, the second gear ring is sleeved on the rotating plate, the second gear ring is rotatably mounted inside the placement plate, and the second gear ring meshes with the second gear. When it is necessary to drive the turntable to rotate the sheet metal part, the rotating motor drives the rotating column to rotate. Under the connected action of the first gear, the first gear ring, the turntable, the second gear, the second gear ring, and the rotating plate, the turntable drives the slide to rotate, thereby facilitating the rotation of the sheet metal part.

[0020] Preferably, the flipping positioning mechanism includes a shelf on the turntable, a fifth motor in the shelf, and a stud fixed to the output shaft of the fifth motor. A sliding groove is provided on the top surface of the shelf, the fifth motor and the stud are disposed in the sliding groove, the slide is threaded onto the stud, and the slide is slidably disposed in the sliding groove.

[0021] By adopting the above technical solution, the shelf is set on the turntable, and a sliding groove is opened on the top surface of the shelf. The fifth motor is set inside the shelf, and the stud is fixed on the output shaft of the fifth motor. The fifth motor and the stud are set inside the sliding groove, and the slide block is threaded onto the stud. The slide block is slidably set inside the sliding groove. When it is necessary to drive the slide block to move the sheet metal part, the fifth motor is driven to drive the stud to rotate. Under the limiting action of the sliding groove, the slide block drives the sheet metal part to slide along the shelf, which facilitates the adjustment of the horizontal position of the sheet metal part, so as to better weld the sheet metal part.

[0022] Preferably, the flipping positioning mechanism includes a sliding column slidably disposed on the slide block, a sliding cylinder disposed on the sliding column, and an abutment plate that can abut against the side of the sheet metal part. The sliding column is disposed next to the side baffle, and the abutment plate is fixed to the output shaft of the sliding cylinder.

[0023] By adopting the above technical solution, the sliding column is slidably set on the slide block, the sliding column is set next to the side baffle, the sliding cylinder is set on the sliding column, and the abutment plate is fixed on the output shaft of the sliding cylinder. When fixing the sheet metal part, the sliding cylinder is driven to drive the abutment plate to abut against the side of the sheet metal part, which further improves the stability of fixing the sheet metal part and prevents the sheet metal part from sliding to the side.

[0024] Preferably, a sliding groove is provided on the top surface of the slide block, and the flipping positioning mechanism includes a sixth motor disposed on the slide block and a screw fixed on the output shaft of the sixth motor. The screw is rotatably disposed in the sliding groove, and the sliding column is threadedly sleeved on the screw and slidably disposed in the sliding groove.

[0025] By adopting the above technical solution, a sliding groove is provided on the top surface of the slide block, the sixth motor is set on the slide block, the screw is fixed on the output shaft of the sixth motor, the screw is rotatably set in the sliding groove, the sliding column is threaded on the screw, and the sliding column is slidably set in the sliding groove. When it is necessary to fix sheet metal parts of different widths, the sixth motor is driven to rotate the screw in the forward or reverse direction. Under the limiting action of the sliding groove, the sliding column drives the abutment plate to move, which facilitates the fixing of sheet metal parts of different widths.

[0026] In summary, this application includes at least one of the following beneficial technical effects: 1. The turntable is designed to rotate. A material passage hole is provided on the side of the turntable. A slide block is slidably mounted on the turntable. A side baffle is mounted on the slide block. A lifting cylinder is mounted on the side baffle. A stop block is fixed on the output shaft of the lifting cylinder. When it is necessary to weld sheet metal parts, the sheet metal parts are placed on the slide block through the material passage hole. The lifting cylinder is driven to move the stop block to abut against the side of the sheet metal parts. This makes it easy to fix sheet metal parts of different sizes and reduces the difficulty of flipping and positioning. Rotating the turntable causes the sheet metal parts to rotate, and the welding mechanism welds the sheet metal parts, improving welding efficiency. 2. A sliding ring groove is provided inside the mounting ring, and a rotating groove is provided on the side of the mounting ring. The rotating groove is connected to the sliding ring groove. The first motor is mounted on the mounting ring, and the drive gear is fixed on the output shaft of the first motor. The adapter ring is located in the sliding ring groove, and the rotating ring is located in the rotating groove. The rotating ring is connected to the adapter ring. The third gear ring is located on the adapter ring. When it is necessary to drive the welding torch to rotate, the first motor is driven to drive the drive gear to rotate. With the connection of the drive gear, the third gear ring, the adapter ring, and the rotating ring, the rotating ring drives the welding torch to rotate, which facilitates the rotation of the welding torch. 3. A storage slot is provided on the top surface of the mounting base, a transition slot is provided on the side of the mounting plate, and a sliding groove is provided on the bottom surface of the mounting plate. The turntable is rotatably set in the transition slot, and a sliding groove is provided on the bottom wall of the material passage hole. The storage slot, transition slot, sliding groove, and sliding groove are connected. A lifting cylinder is set in the storage slot, and a sealing plate is fixed on the output shaft of the lifting cylinder. The sealing plate is vertically slidably set in the storage slot, sliding groove, transition slot, sliding groove, and material passage hole. When the sheet metal part is placed on the slide, the lifting cylinder is driven to move the sealing plate up to block the material passage hole, thereby improving the stability of the sheet metal part rotation during the turntable rotation and preventing the possibility of the sheet metal part detaching from the turntable along the material passage hole. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of a welding device for large sheet metal parts with automatic flipping function in an embodiment of this application.

[0028] Figure 2 This is a schematic diagram of the internal structure of the mounting ring in an embodiment of this application.

[0029] Figure 3 This is a schematic diagram of the connection structure between the slide and the shelf in an embodiment of this application.

[0030] Figure 4 This is a schematic diagram of the internal structure of the mounting plate in an embodiment of this application.

[0031] Explanation of reference numerals in the attached figures: 1. Tilting and positioning mechanism; 11. Turntable; 12. Slide; 13. Side baffle; 14. Lifting cylinder; 15. Abutting block; 16. Lifting cylinder; 17. Sealing plate; 18. Rotating motor; 19. Rotating column; 110. Rotating plate; 113. First gear; 115. Storage plate; 1151. Sliding groove; 116. Fifth motor; 117. Stud; 118. Sliding column; 119. Sliding cylinder; 120. Abutting plate; 121. Sixth motor; 2. Welding Mechanism; 21. Mounting base; 22. Mounting plate; 221. Adapter groove; 222. Slide groove; 23. Placement plate; 24. Fourth motor; 25. Screw; 26. Limiting rod; 27. Mounting ring; 28. Rotating ring; 29. ​​Welding torch; 210. First motor; 211. Drive gear; 212. Adapter ring; 213. Third gear ring; 214. Second motor; 215. Placement seat; 216. Third motor; 217. Tilting seat; 218. Sliding cylinder. Detailed Implementation

[0032] The present application will be further described in detail below with reference to the accompanying drawings.

[0033] This application discloses a welding device for large sheet metal parts with an automatic flipping function. (Refer to...) Figure 1 As shown, a welding device for large sheet metal parts with automatic flipping function includes a flipping and positioning mechanism 1 and a welding mechanism 2.

[0034] Reference Figure 1 and Figure 2 As shown, the welding mechanism 2 includes a mounting base 21, a mounting plate 22, a placement plate 23, a fourth motor 24, a screw 25, a limiting rod 26, a mounting ring 27, a rotating ring 28, a welding torch 29, a first motor 210, a drive gear 211, a transition ring 212, a third gear ring 213, a second motor 214, a placement seat 215, a third motor 216, a flipping seat 217, and a sliding cylinder 218.

[0035] Reference Figure 1 and Figure 2 As shown, the mounting base 21 is horizontally positioned, with its length parallel to the ground. The mounting plate 22 is mounted on the mounting base 21, and the placement plate 23 is positioned on the top surface of the mounting base 21. The mounting plate 22 and the placement plate 23 are symmetrical about the center line of the bottom surface of the mounting base 21, and their lengths are perpendicular to the ground. A transition groove 221 is provided on the side of the mounting plate 22.

[0036] Reference Figure 1 , Figure 3 and Figure 4As shown, the flipping positioning mechanism 1 includes a turntable 11, a slide block 12, a side baffle 13, a lifting cylinder 14, abutting block 15, a lifting cylinder 16, a sealing plate 17, a rotating motor 18, a rotating column 19, a rotating plate 110, a first gear ring, a second gear ring, a first gear 113, a second gear, a placement plate 115, a fifth motor 116, a stud 117, a sliding column 118, a sliding cylinder 119, abutting plate 120, a sixth motor 121, and a threaded rod.

[0037] Reference Figure 1 As shown, the turntable 11 is rotatably disposed in the adapter groove 221, and the axis of the turntable 11 coincides with the direction of the adapter groove 221. A material passage hole is provided on the side of the turntable 11, and a placement plate 115 is disposed on the turntable 11. The length direction of the placement plate 115 is the same as the length direction of the mounting base 21.

[0038] Reference Figure 1 and Figure 3 As shown, a sliding groove 1151 is provided on the top surface of the shelf 115. The fifth motor 116 is installed inside the shelf 115. The stud 117 is fixed on the output shaft of the fifth motor 116. The fifth motor 116 and the stud 117 are installed inside the sliding groove 1151. The slide block 12 is threaded onto the stud 117 and is slidably installed inside the sliding groove 1151.

[0039] Reference Figure 1 and Figure 3 As shown, the side baffle 13 is mounted on the slide block 12, the lifting cylinder 14 is mounted on the side baffle 13, the abutment block 15 is fixed on the output shaft of the lifting cylinder 14, a sliding groove is provided on the top surface of the slide block 12, the sixth motor 121 is mounted on the slide block 12, the screw is fixed on the output shaft of the sixth motor 121, the screw is rotatably mounted in the sliding groove, the sliding column 118 is threaded onto the screw, and the sliding column 118 is slidably mounted in the sliding groove.

[0040] Reference Figure 1 and Figure 3 As shown, the sliding column 118 is located next to the side baffle 13, the sliding cylinder 119 is located on the sliding column 118, and the abutment plate 120 is fixed on the output shaft of the sliding cylinder 119. When fixing the sheet metal part, the driving lifting cylinder 14 drives the abutment block 15 to abut against the side of the sheet metal part, and the driving sliding cylinder 119 drives the abutment plate 120 to abut against the side of the sheet metal part, thereby improving the stability of fixing the sheet metal part and preventing the sheet metal part from sliding sideways.

[0041] Reference Figure 1 and Figure 3 As shown, when it is necessary to fix sheet metal parts of different widths, the sixth motor 121 with screws is driven to rotate in the forward or reverse direction. Under the limiting action of the sliding groove, the sliding column 118 drives the abutment plate 120 to move, which facilitates the fixing of sheet metal parts of different widths.

[0042] Reference Figure 1 and Figure 3 As shown, when it is necessary to drive the slide block 12 to slide the sheet metal part, the fifth motor 116 drives the stud 117 to rotate. Under the limiting action of the sliding groove 1151, the slide block 12 drives the sheet metal part to slide along the placement plate 115, which makes it easier to adjust the horizontal position of the sheet metal part so as to better weld the sheet metal part.

[0043] Reference Figure 1 and Figure 4 As shown, a storage groove is provided on the top surface of the mounting base 21, a sliding groove 222 is provided on the bottom surface of the mounting plate 22, and a sliding groove is provided on the bottom wall of the material passage hole. The storage groove, the transfer groove 221, the sliding groove 222, and the sliding groove are connected to each other.

[0044] Reference Figure 1 and Figure 4 As shown, the lifting cylinder 16 is installed in the storage slot, and the sealing plate 17 is fixed on the output shaft of the lifting cylinder 16. The sealing plate 17 is vertically slidably installed in the storage slot, the slide groove 222, the transition groove 221, the sliding groove, and the material passage hole. When the sheet metal part is placed on the slide block 12, the lifting cylinder 16 is driven to move the sealing plate 17 upward to block the material passage hole, thereby improving the stability of the sheet metal part rotation during the rotation of the turntable 11 and preventing the possibility of the sheet metal part detaching from the turntable 11 along the material passage hole.

[0045] Reference Figure 1 and Figure 4 As shown, the rotating motor 18 is mounted on the mounting plate 22, and the rotating column 19 is fixed on the output shaft of the rotating motor 18. The length direction of the rotating column 19 is the same as the length direction of the mounting base 21. The first gear 113 is mounted on the rotating column 19, and the second gear is mounted on the rotating column 19. The axis of the first gear 113 coincides with the axis of the second gear and the axis of the rotating column 19.

[0046] Reference Figure 1 and Figure 4 As shown, the first gear ring is fitted onto the turntable 11 and rotatably mounted within the mounting plate 22. The first gear ring meshes with the first gear 113, and the axis of the first gear ring coincides with the axis of the turntable 11. The turntable 110 is rotatably mounted within the placement plate 23. The second gear ring is fitted onto the turntable 110, and the axis of the second gear ring coincides with the axis of the turntable 110. The second gear ring is rotatably mounted within the placement plate 23 and meshes with the second gear.

[0047] Reference Figure 1 and Figure 4As shown, when it is necessary to drive the turntable 11 to rotate the sheet metal part, the drive motor 18 drives the rotating column 19 to rotate. Under the connection of the first gear 113, the first gear ring, the turntable 11, the second gear, the second gear ring, and the rotating plate 110, the turntable 11 drives the slide 12 to rotate, thereby facilitating the rotation of the sheet metal part.

[0048] Reference Figure 1 and Figure 2 As shown, the mounting ring 27 is slidably sleeved on the outside of the slide block 12. A sliding ring groove is provided inside the mounting ring 27. The axis of the sliding ring groove coincides with the axis of the mounting ring 27. A rotating groove is provided on the side of the mounting ring 27. The axis of the rotating groove coincides with the axis of the mounting ring 27. The rotating groove is connected to the sliding ring groove.

[0049] Reference Figure 1 and Figure 2 As shown, the first motor 210 is mounted on the mounting ring 27, the drive gear 211 is fixed on the output shaft of the first motor 210, the drive gear 211 is rotatably mounted inside the mounting ring 27, the adapter ring 212 is mounted inside the sliding ring groove, the axis of the adapter ring 212 coincides with the axis of the mounting ring 27, the rotating ring 28 is mounted inside the rotating groove, the axis of the rotating ring 28 coincides with the axis of the mounting ring 27, and the rotating ring 28 is connected to the adapter ring 212.

[0050] Reference Figure 1 and Figure 2 As shown, the third gear ring 213 is disposed on the adapter ring 212, and the axis of the third gear ring 213 coincides with the axis of the adapter ring 212. The third gear ring 213 meshes with the drive gear 211. The second motor 214 is disposed inside the rotating ring 28, and the placement seat 215 is fixed on the output shaft of the second motor 214. The placement seat 215 is rotatably disposed on the rotating ring 28.

[0051] Reference Figure 1 and Figure 2 As shown, the third motor 216 is mounted on the placement seat 215, the flipping seat 217 is fixed on the output shaft of the third motor 216, the flipping seat 217 is rotatably mounted inside the placement seat 215, the sliding cylinder 218 is mounted on the flipping seat 217, and the welding torch 29 is mounted on the sliding cylinder 218. When it is necessary to adjust the angle of the welding torch 29, the second motor 214 is driven to rotate the placement seat 215, and the third motor 216 is driven to rotate the flipping seat 217. Under the connected action of the placement seat 215, the third motor 216, the flipping seat 217, the sliding cylinder 218, and the welding torch 29, it is convenient to adjust the angle of the welding torch 29.

[0052] Reference Figure 1 and Figure 2As shown, the fourth motor 24 is mounted on the mounting plate 22, the screw 25 is fixed on the output shaft of the fourth motor 24, the mounting ring 27 is threaded onto the screw 25, the limiting rod 26 is mounted on the mounting base 21, the mounting ring 27 is slidably mounted on the limiting rod 26, the mounting ring 27 is located between the mounting plate 22 and the placement plate 23, and the mounting ring 27 is slidably mounted in the mounting base 21.

[0053] Reference Figure 1 and Figure 2 As shown, when it is necessary to adjust the horizontal distance of the welding torch 29, the fourth motor 24 drives the screw 25 to rotate. Under the limiting action of the limiting rod 26, the mounting ring 27 drives the welding torch 29 to move horizontally, which facilitates the adjustment of the horizontal position of the welding torch 29, thereby improving the welding effect on sheet metal parts.

[0054] Reference Figure 1 and Figure 2 As shown, when it is necessary to drive the welding torch 29 to rotate, the first motor 210 drives the drive gear 211 to rotate. With the connection of the drive gear 211, the third gear ring 213, the adapter ring 212, and the rotating ring 28, the rotating ring 28 drives the welding torch 29 to rotate, which facilitates the rotation of the welding torch 29.

[0055] The implementation principle of a welding device for large sheet metal parts with automatic flipping function according to an embodiment of this application is as follows: The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A welding device for large sheet metal parts with automatic flipping function, comprising a flipping and positioning mechanism (1) for positioning and flipping the sheet metal parts and a welding mechanism (2) for welding the sheet metal parts, characterized in that: The flipping positioning mechanism (1) includes a rotating turntable (11), a sliding block (12) slidably disposed on the turntable (11), a side baffle (13) disposed on the sliding block (12), a lifting cylinder (14) disposed on the side baffle (13), and an abutment block (15) that can abut against the side of the sheet metal part. The abutment block (15) is fixed on the output shaft of the lifting cylinder (14), and a material passage hole is provided on the side of the turntable (11).

2. The welding device for large sheet metal parts with automatic flipping function according to claim 1, characterized in that: The welding mechanism (2) includes a mounting ring (27) slidably sleeved outside the slide (12), a rotating ring (28) rotatably sleeved on the mounting ring (27), and a welding torch (29) for welding sheet metal parts, wherein the welding torch (29) is rotatably mounted on the rotating ring (28).

3. The welding device for large sheet metal parts with automatic flipping function according to claim 2, characterized in that: The mounting ring (27) has a sliding ring groove, and the mounting ring (27) has a rotating groove on its side. The rotating groove is connected to the sliding ring groove. The welding mechanism (2) includes a first motor (210) mounted on the mounting ring (27), a drive gear (211) fixed on the output shaft of the first motor (210), a transition ring (212) mounted in the sliding ring groove, and a third gear ring (213) mounted on the transition ring (212). The rotating ring (28) is mounted in the rotating groove. The rotating ring (28) is connected to the transition ring (212), and the third gear ring (213) meshes with the drive gear (211).

4. A welding device for large sheet metal parts with automatic flipping function according to claim 2, characterized in that: The welding mechanism (2) includes a second motor (214) disposed in the rotating ring (28), a placement seat (215) fixed on the output shaft of the second motor (214), a third motor (216) disposed on the placement seat (215), a flipping seat (217) fixed on the output shaft of the third motor (216), and a sliding cylinder (218) disposed on the flipping seat (217). The placement seat (215) is rotatably disposed on the rotating ring (28), the flipping seat (217) is rotatably disposed in the placement seat (215), and the welding torch (29) is disposed on the sliding cylinder (218).

5. A welding device for large sheet metal parts with automatic flipping function according to claim 2, characterized in that: The welding mechanism (2) includes a mounting base (21), a mounting plate (22) disposed on the mounting base (21), a placement plate (23) disposed next to the mounting plate (22), a fourth motor (24) disposed on the mounting plate (22), a screw (25) fixed on the output shaft of the fourth motor (24), and a limiting rod (26) disposed on the mounting base (21). The placement plate (23) is disposed on the mounting base (21), the mounting ring (27) is threaded onto the screw (25), the mounting ring (27) is slidably disposed on the limiting rod (26), the mounting ring (27) is located between the mounting plate (22) and the placement plate (23), and the mounting ring (27) is slidably disposed within the mounting base (21).

6. A welding device for large sheet metal parts with automatic flipping function according to claim 5, characterized in that: The mounting base (21) has a storage groove on its top surface, the mounting plate (22) has a transfer groove (221) on its side surface, the mounting plate (22) has a sliding groove (222) on its bottom surface, the turntable (11) is rotatably disposed in the transfer groove (221), and the bottom wall of the material passage hole has a sliding groove. The storage groove, transfer groove (221), sliding groove (222) and sliding groove are connected. The flipping positioning mechanism (1) includes a lifting cylinder (16) disposed in the storage groove and a sealing plate (17) for sealing the material passage hole. The sealing plate (17) is fixed on the output shaft of the lifting cylinder (16). The sealing plate (17) is vertically slidably disposed in the storage groove, sliding groove (222), transfer groove (221), sliding groove and material passage hole.

7. A welding device for large sheet metal parts with automatic flipping function according to claim 5, characterized in that: The flipping positioning mechanism (1) includes a rotating motor (18) mounted on the mounting plate (22), a rotating column (19) fixed on the output shaft of the rotating motor (18), a rotating plate (110) rotatably mounted in the placement plate (23), a first gear ring sleeved on the turntable (11), a second gear ring sleeved on the rotating plate (110), a first gear (113) mounted on the rotating column (19), and a second gear rotatably mounted in the placement plate (23). The rotating column (19) is rotatably mounted on the mounting plate (22) and the placement plate (23). The first gear ring is rotatably mounted in the mounting plate (22) and meshes with the first gear (113). The second gear ring is rotatably mounted in the placement plate (23) and the second gear is mounted on the rotating column (19) and meshes with the second gear.

8. A welding device for large sheet metal parts with automatic flipping function according to claim 1, characterized in that: The flipping positioning mechanism (1) includes a shelf (115) disposed on the turntable (11), a fifth motor (116) disposed in the shelf (115), and a stud (117) fixed on the output shaft of the fifth motor (116). A sliding groove (1151) is provided on the top surface of the shelf (115). The fifth motor (116) and the stud (117) are disposed in the sliding groove (1151). The slide block (12) is threaded onto the stud (117) and is slidably disposed in the sliding groove (1151).

9. A welding device for large sheet metal parts with automatic flipping function according to claim 8, characterized in that: The flipping positioning mechanism (1) includes a sliding column (118) slidably disposed on the slide block (12), a sliding cylinder (119) disposed on the sliding column (118), and an abutment plate (120) that can abut against the side of the sheet metal part. The sliding column (118) is disposed next to the side baffle (13), and the abutment plate (120) is fixed on the output shaft of the sliding cylinder (119).

10. A welding device for large sheet metal parts with automatic flipping function according to claim 9, characterized in that: The slide block (12) has a sliding groove on its top surface. The flipping positioning mechanism (1) includes a sixth motor (121) mounted on the slide block (12) and a screw fixed on the output shaft of the sixth motor (121). The screw is rotatably mounted in the sliding groove. The sliding column (118) is threaded onto the screw and is slidably mounted in the sliding groove.

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