Edge welding equipment for processing barbecue oven shell

Abstract

The invention discloses edge welding equipment for processing a barbecue oven shell, and relates to the technical field of welding. Edge welding equipment for barbecue oven shell machining comprises a workbench, a conveying device is installed on the workbench, a belt rotating device is installed on the conveying device, and the belt rotating device is configured to be capable of containing a shell and a bottom plate and driving the shell and the bottom plate to rotate; a first feeding device, a second feeding device and a welding device are further sequentially installed on the workbench in the conveying direction of the conveying device, the first feeding device is used for placing a bottom plate on the belt rotating device, the second feeding device is used for placing a shell on the bottom plate, and the welding device is used for welding the rotating shell and the bottom plate. The welding efficiency of the shell and the bottom plate can be improved.

Description

Technical Field

[0001] The present application relates to the technical field of welding, and in particular to an edge welding device for processing a barbecue oven shell. Background Art

[0002] A barbecue grill is a device used for grilling food, and an electric grill is one of them. Generally, it can be divided into household electric grills and industrial electric grills according to different application scenarios. Usually, a household electric grill is composed of a furnace body, a heater, a baking tray, a timer and other structures, wherein the furnace body includes at least a cylindrical shell structure, and the shell structure is composed of a circular outer shell and a circular bottom plate. To manufacture the shell, after the outer shell and the bottom plate are processed, the outer shell needs to be welded and fixed to the bottom plate. At present, workers usually use a general welding device to connect and fix the outer shell and the bottom plate. Specifically, during the welding process, the worker needs to place the outer shell on the bottom plate, and then press the outer shell and operate the welding device such as a welding gun to move the outer shell and the bottom plate to weld to form the shell. This welding method is inefficient and cannot meet the needs of large-scale processing of the shell. Summary of the invention

[0003] In order to improve the welding efficiency of the outer shell and the bottom plate, the present application provides a welding edge device for processing the shell of a barbecue oven.

[0004] The present application provides a welding edge device for processing a barbecue oven shell, which adopts the following technical solution: A welding device for processing a barbecue grill shell, comprising a workbench, a conveying device installed on the workbench, a belt rotating device installed on the conveying device, and the belt rotating device is configured to place a shell and a bottom plate and drive the shell and the bottom plate to rotate; The workbench is also equipped with a loading device 1, a loading device 2 and a welding device in sequence along the conveying direction of the conveying device. The loading device 1 is used to place the base plate on the belt rotating device, the loading device 2 is used to place the shell on the base plate, and the welding device is used to weld the rotating shell and the base plate.

[0005] By adopting the above technical solution, the first feeding device can be used to place the bottom plate on the belt rotating device, the second feeding device can be used to place the shell on the bottom plate, and then the conveying device can be used to convey the shell and the bottom plate to one side of the welding device. At this time, when the bottom plate and the shell are driven to rotate by the belt rotating device, the welding device can be used to complete the welding of the rotating shell and the bottom plate. This application can improve the welding efficiency of the shell and the bottom plate.

[0006] Preferably, the belt rotation device includes a connecting block installed on the conveying device, the connecting block is connected to a supporting seat for placing the outer shell and the base plate; the supporting seat is connected to a receiving block, the receiving block is equipped with a belt rotation assembly, the belt rotation assembly is connected to a linkage column, the linkage column is connected to a rotating plate, the rotating plate is equipped with a clamping assembly, the clamping assembly is configured to be able to clamp the outer shell and the base plate on the supporting seat, and the belt rotation assembly is configured to be able to drive the rotating plate to rotate through the linkage column, thereby driving the clamping assembly to rotate and then driving the outer shell and the base plate to rotate.

[0007] By adopting the above technical solution, after placing the shell and the base plate on the supporting seat, the shell and the base plate can be clamped by the clamping assembly, and then the shell and the base plate can be driven to rotate by the belt rotating assembly to cooperate with the welding of the welding device.

[0008] Preferably, the clamping assembly includes a rotating ring rotatably connected to a rotating plate, and a plurality of clamping claws are slidably connected to the rotating plate along its own circumferential direction, each of the clamping claws is hinged to a transmission rod, and each end of the transmission rod away from the clamping claw is hinged to the rotating ring; a mounting frame is installed on the linkage column, and a feed rotation member is installed on the mounting frame, and the feed rotation member is connected to the rotating ring, and the feed rotation member is configured to drive the rotating ring to rotate, thereby driving the plurality of clamping claws to retract or spread through a plurality of transmission rods.

[0009] By adopting the above technical solution, the driving feed member can drive the rotating ring to rotate, thereby driving multiple clamping claws to close through multiple transmission rods to clamp the outer shell and the base plate; the process of clamping the outer shell and the base plate using multiple clamping claws distributed along the circumferential direction is also the process of adjusting the position of the outer shell and the base plate. The positioning of the outer shell and the base plate can ensure the reliability of subsequent welding.

[0010] Preferably, the number of the clamping claws is eight, and the eight clamping claws are evenly distributed along the circumferential direction of the rotating ring.

[0011] Preferably, the clamping claw comprises a horizontal plate portion slidably connected to the rotating ring, the horizontal plate portion is connected to a vertical plate portion, and an elastic pad is installed on the vertical plate portion.

[0012] By adopting the above technical solution, the transmission rod will drive the horizontal plate part and the vertical plate part to move, thereby driving the elastic pad to contact the outer shell, and the elastic pad can protect the outer shell structure.

[0013] Preferably, the belt rotation assembly includes a worm, a receiving cavity is opened in the receiving block, the worm is located in the receiving cavity and is rotatably connected to the receiving block, the worm is connected to a driving member, the worm is connected to a worm wheel, the worm wheel is connected to a linkage column, and the worm wheel and the linkage column can rotate together.

[0014] By adopting the above technical solution, the driving rotating member can drive the worm to rotate, thereby driving the worm wheel to rotate, and the rotation of the worm wheel will drive the linkage column to rotate.

[0015] Preferably, the second feeding device includes a rotating driving member arranged on the workbench, a receiving table is installed on the rotating driving member, the receiving table includes a plurality of receiving blind holes evenly distributed along the circumferential direction at the top end, and the receiving blind holes are used to place the outer shell; a mechanical arm is also installed on the workbench, a fixed plate is installed on the mechanical arm, a plurality of reciprocating feeding members are installed on the fixed plate along the circumferential direction, each of the reciprocating feeding members is connected to a suction cup, and the reciprocating feeding member is configured to drive the suction cup to suck the inner wall of the outer shell.

[0016] By adopting the above technical solution, the shell can be placed in the receiving blind hole, and then the receiving platform can be driven to rotate by driving the rotating driving member to rotate the shell, and then the fixed plate is driven to move by the mechanical arm so that the suction cup is driven to reach the inside of the shell, and the reciprocating driving member can be driven to drive the suction cup to suck the shell to move the shell. The above method of moving the shell can prevent the shell structure from being damaged.

[0017] Preferably, the welding device comprises a connecting frame arranged on the workbench, a transverse driving member is installed on the connecting frame, a vertical driving member is installed on the transverse driving member, and a welding head is installed on the vertical driving member.

[0018] By adopting the above technical solution, driving the horizontal driving member and the vertical driving member can drive the welding head to move so as to weld the outer shell and the bottom plate.

[0019] In summary, the present invention includes at least one of the following beneficial technical effects: 1. The first feeding device can be used to place the bottom plate on the belt rotating device, and the second feeding device can be used to place the shell on the bottom plate. Then, the conveying device can be used to convey the shell and the bottom plate to one side of the welding device. At this time, when the bottom plate and the shell are driven to rotate by the belt rotating device, the welding device can be used to complete the welding of the rotating shell and the bottom plate. This application can improve the welding efficiency of the shell and the bottom plate; 2. The driving rotating member can drive the rotating ring to rotate, thereby driving multiple clamping claws to close through multiple transmission rods to clamp the outer shell and the base plate, and then the driving driving member can drive the worm to rotate, thereby driving the worm wheel to rotate, the rotation of the worm wheel will drive the linkage column to rotate, and the linkage column will drive the rotating plate to rotate, thereby rotating the clamped outer shell and the base plate. At this time, the use of a welding head can facilitate welding of the connection between the outer shell and the base plate; the process of clamping the outer shell and the base plate using multiple clamping claws distributed along the circumferential direction is also the process of adjusting the outer shell and the base plate. The positioning of the outer shell and the base plate can ensure the reliability of subsequent welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of a welding edge device used for processing a barbecue oven shell in an embodiment of the present application; Figure 2 It is a structural schematic diagram for reflecting the first feeding device; Figure 3 It is a schematic diagram for reflecting the structure of the feeding device 2; Figure 4 It is a schematic diagram for reflecting the structure of the belt transfer device; Figure 5 It is a cross-sectional view used to reflect the belt rotating device; Figure 6 It is a cross-sectional view used to reflect the belt rotating assembly; Figure 7 It is a structural schematic diagram used to reflect the welding device.

[0021] The symbols in the accompanying drawings are: 1, workbench; 11, conveying device; 2, belt rotating device; 21, connecting block; 22, supporting seat; 221, trough; 222, mounting shaft; 223, rotating support member; 23, receiving block; 231, receiving chamber; 24, belt rotating assembly; 241, worm; 242, driving member; 243, worm wheel; 25, linkage column; 26, rotating plate; 27, clamping assembly; 271, rotating ring; 272, clamping claw; 2721, horizontal plate portion; 2722, vertical plate portion; 2723, elastic pad; 273 , transmission rod; 274, slide; 275, mounting frame; 276, feeding and rotating member; 3, feeding device one; 31, power member; 32, supporting platform; 321, accommodating blind hole; 33, manipulator; 34, plate; 35, suction member; 4, feeding device two; 41, rotating driving member; 42, accommodating platform; 421, accommodating blind hole; 43, manipulator; 44, fixed plate; 45, reciprocating feeding member; 46, suction cup; 5, welding device; 51, connecting frame; 52, horizontal driving member; 53, vertical driving member; 54, welding head. DETAILED DESCRIPTION

[0022] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0023] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] The embodiment of the present application discloses a welding device for processing a barbecue grill shell, which is used to weld the shell and the bottom plate to form the shell. In this embodiment, the inner wall of the shell and the outer periphery of the bottom plate are welded.

[0025] Reference Figure 1 A welding device for processing a barbecue grill shell includes a workbench 1, a conveying device 11 is installed on the workbench 1, and a plurality of belt rotating devices 2 are installed on the conveying device 11. The belt rotating device 2 can place an outer shell and a bottom plate and drive the outer shell and the bottom plate to rotate. The conveying device 11 can drive the outer shell and the bottom plate to be transported along the plate surface direction of the workbench 1. Specifically, the conveying device 11 is a belt conveyor mechanism in this embodiment. The specific structure of the belt conveyor mechanism is the prior art and is not described here. A feeding device 3, a feeding device 4 and a welding device 5 are also installed on the workbench 1 in sequence along the conveying direction of the conveying device 11. The feeding device 3 is used to place the bottom plate on the belt rotating device 2, the feeding device 4 is used to place the outer shell on the bottom plate, and the welding device 5 is used to weld the rotating outer shell and the bottom plate.

[0026] First, use the loading device 1 3 to place the base plate on the belt rotating device 2, and then use the loading device 2 4 to place the shell on the base plate. Then, drive the conveying device 11 to convey the base plate and the shell to the side of the welding device 5, drive the belt rotating device 2 to drive the base plate and the shell to rotate, and use the welding device 5 to weld the rotating shell and the base plate.

[0027] Reference Figure 1 The feeding device 3 includes a power member 31 disposed on the workbench 1. The power member 31 is preferably a cam splitter. The power member 31 is installed with a support platform 32. The support platform 32 includes a receiving blind hole 321 uniformly opened at the top along its own circumferential direction. The receiving blind hole 321 is used to place the bottom plate. The feeding device 3 also includes a manipulator 33 disposed on the workbench 1 and located on one side of the support platform 32. Figure 2 A plate body 34 is installed on the manipulator 33, and a plurality of suction members 35 are installed on the plate body 34. The suction members 35 are preferably suction cups.

[0028] First, a worker places the bottom plate in the accommodating blind hole 321 , drives the power part 31 to rotate the supporting platform 32 so that the bottom plate reaches the side of the manipulator 33 , and drives the manipulator 33 to drive the suction part 35 to move and suck the bottom plate and place it on the belt rotating device 2 .

[0029] Reference Figure 1 and Figure 3The feeding device 2 4 includes a rotating driving member 41 arranged on the workbench 1, and a receiving platform 42 is installed on the rotating driving member 41. The receiving platform 42 includes a plurality of receiving blind holes 421 uniformly distributed along the circumferential direction at the top, and the receiving blind holes 421 are used to place the shell; a mechanical arm 43 is also installed on the workbench 1, and a fixed disk 44 is installed on the mechanical arm 43. A plurality of reciprocating feeding members 45 are installed on the fixed disk 44 along the circumferential direction. The reciprocating feeding member 45 is preferably a cylinder, and each reciprocating feeding member 45 is connected to a suction cup 46. The reciprocating feeding member 45 can drive the suction cup 46 to approach / move away from the center of the fixed disk 44, and the reciprocating feeding member 45 can drive the suction cup 46 to suck the inner wall of the shell.

[0030] First, a worker places the shell in the receiving blind hole 421, drives the rotating driving part 41 to rotate the receiving platform 42 so that the shell reaches the side of the mechanical arm 43, drives the mechanical arm 43 to drive multiple suction cups 46 to move into the shell, and then drives multiple reciprocating feeding parts 45 to drive multiple suction cups 46 to suck the inner wall of the shell, and drives the mechanical arm 43 to place the shell on the upper end of the bottom plate.

[0031] Reference Figure 4 and Figure 5 The belt rotation device 2 includes a connecting block 21 installed on the conveying device 11, the connecting block 21 is fixedly connected to a supporting seat 22 for placing the outer shell and the bottom plate, the bottom end of the supporting seat 22 is fixedly connected to the connecting block 21, the outer shell and the bottom plate placed here are both protruding from the supporting seat 22; the supporting seat 22 is fixedly connected to a receiving block 23, the receiving block 23 is installed with a belt rotation component 24, the belt rotation component 24 is connected to a linkage column 25, the linkage column 25 is connected to a rotating plate 26, the rotating plate 26 is rotatably connected to the connecting block 21 through a bearing, a clamping component 27 is installed on the rotating plate 26, the clamping component 27 can clamp the outer wall of the outer shell and the bottom plate on the supporting seat 22, the belt rotation component 24 can drive the rotating plate 26 to rotate through the linkage column 25, thereby driving the clamping component 27 to rotate and then driving the outer shell and the bottom plate to rotate, the rotating bottom plate and the outer shell can meet the subsequent welding requirements.

[0032] Reference Figure 6 The belt rotating assembly 24 includes a worm 241, a receiving cavity 231 is opened in the receiving block 23, the worm 241 is located in the receiving cavity 231 and the worm 241 is rotatably connected to the receiving block 23, the worm 241 is connected to a driving member 242, the driving member 242 is a motor, the worm 241 is connected to a worm wheel 243, the worm wheel 243 and the worm 241 can be self-locking, the worm wheel 243 is connected to the linkage column 25, and the worm wheel 243 and the linkage column 25 can rotate together, and the worm wheel 243 and the linkage column 25 are coaxially arranged.

[0033] Reference Figure 4 and Figure 5The clamping assembly 27 includes a rotating ring 271 rotatably connected to the rotating plate 26, the rotating ring 271 is sleeved on the outer wall of the linkage column 25, and the upper end of the rotating plate 26 is slidably connected to a plurality of clamping claws 272 along its own circumferential direction, each clamping claw 272 is hinged to a transmission rod 273, and one end of each transmission rod 273 away from the clamping claw 272 is hinged to the rotating ring 271; specifically, the clamping claw 272 has a T-shaped sliding portion, the rotating plate 26 has a sliding groove 274, and the sliding portion is slidably connected to the sliding groove 274. The linkage column 25 is provided with a mounting frame 275, and the mounting frame 275 is rotatably connected with a feed member 276, which is a thin cylinder, and the output shaft of the thin cylinder can swing, and the output shaft of the feed member 276 is rotatably connected with the rotating ring 271, and the feed member 276 can drive the rotating ring 271 to rotate, thereby driving the multiple clamping claws 272 to close / spread through the multiple transmission rods 273 to maintain / release the clamping of the housing and the bottom plate. Specifically, the number of the clamping claws 272 is eight, and the eight clamping claws 272 are evenly distributed along the circumference of the rotating ring 271.

[0034] After the base plate and the outer shell are placed on the bottom end of the supporting seat 22, the driving rotating member 276 drives the rotating ring 271 to rotate, thereby driving the multiple clamping claws 272 to close through multiple transmission rods 273 to clamp the outer shell and the base plate; then the driving rotating member 242 drives the worm 241 to rotate, thereby driving the worm wheel 243 to rotate, the rotation of the worm wheel 243 will drive the linkage column 25 to rotate, thereby driving the rotating plate 26 to rotate, the rotation of the rotating plate 26 will drive the multiple clamping claws 272 to rotate, thereby rotating the clamped base plate and outer shell.

[0035] The process of clamping the shell and the bottom plate by using eight clamping claws 272 evenly distributed along the circumferential direction is also the process of adjusting the positions of the shell and the bottom plate. The positioning of the shell and the bottom plate can ensure the reliability of subsequent welding.

[0036] Reference Figure 4 In order to protect the structure of the shell and the bottom plate, the clamping claw 272 includes a horizontal plate portion 2721 slidably connected to the rotating ring 271, the horizontal plate portion 2721 is connected to the vertical plate portion 2722, and the vertical plate portion 2722 is installed with an elastic pad 2723, and the elastic pad 2723 is preferably a rubber pad.

[0037] Reference Figure 6 In order to facilitate the rotation of the bottom plate and the shell at the upper end of the bottom plate, a plurality of grooves 221 are opened at the top of the support seat 22, and the plurality of grooves 221 are evenly distributed along the circumferential direction. A mounting shaft 222 is provided in each groove 221, and each mounting shaft 222 is rotatably connected to the support seat 22. A plurality of rotating support members 223 are installed on each mounting shaft 222 along its own axial direction. The rotating support member 223 is preferably a bearing, and the upper end of the rotating support member 223 is slightly higher than the top of the support seat 22.

[0038] Reference Figure 7 The welding device 5 includes a connecting frame 51 arranged on the workbench 1, a horizontal driving member 52 is installed on the connecting frame 51, and a vertical driving member 53 is installed on the horizontal driving member 52. The horizontal driving member 52 and the vertical driving member 53 are both cylinders, and a welding head 54 is installed on the vertical driving member 53. The specific structure of the welding head 54 is the existing technology and will not be repeated here.

[0039] The implementation principle of a welding edge device for processing a barbecue oven shell in the embodiment of the present application is: First, a worker places the bottom plate in the receiving blind hole 321, drives the power member 31 to rotate the supporting platform 32 so that the bottom plate reaches the side of the manipulator 33, drives the manipulator 33 to drive the suction member 35 to move and suck the bottom plate to place it on the upper end of the supporting seat 22; a worker places the outer shell in the receiving blind hole 421, drives the rotating driving member 41 to rotate the receiving platform 42 so that the outer shell reaches the side of the manipulator 43, drives the manipulator 43 to drive multiple suction cups 46 to move into the outer shell, then drives multiple reciprocating feeding members 45 to drive multiple suction cups 46 to suck the inner wall of the outer shell, and drives the manipulator 33 arm to place the outer shell on the upper end of the bottom plate; The bottom plate and the shell are conveyed to the bottom of the welding head 54 by the conveying device 11; the rotating member 276 is driven to drive the rotating ring 271 to rotate, thereby driving the multiple clamping claws 272 to close through the multiple transmission rods 273 to clamp the shell and the bottom plate; then the driving member 242 is driven to drive the worm 241 to rotate, thereby driving the worm wheel 243 to rotate, the rotation of the worm wheel 243 will drive the linkage column 25 to rotate, thereby driving the rotating plate 26 to rotate, and the rotation of the rotating plate 26 will drive the multiple clamping claws 272 to rotate, thereby rotating the clamped bottom plate and shell; The horizontal driving member 52 and the vertical driving member 53 are driven to drive the welding head 54 to move into the interior of the shell and align with the connection between the inner wall of the shell and the outer periphery of the bottom plate. The welding head 54 is used to weld the connection between the shell and the bottom plate while the bottom plate and the shell are rotating.

[0040] The embodiments of this specific implementation method are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A welding device for processing a barbecue grill shell, characterized in that: The invention comprises a workbench (1), wherein a conveying device (11) is installed on the workbench (1), and a belt rotating device (2) is installed on the conveying device (11), wherein the belt rotating device (2) is configured to place a shell and a bottom plate and drive the shell and the bottom plate to rotate; A loading device 1 (3), a loading device 2 (4) and a welding device (5) are also sequentially installed on the workbench (1) along the conveying direction of the conveying device (11); the loading device 1 (3) is used to place a base plate on the belt rotating device (2); the loading device 2 (4) is used to place an outer shell on the base plate; and the welding device (5) is used to weld the rotating outer shell and the base plate.

2. The edge welding device for processing a barbecue oven shell according to claim 1, characterized in that: The belt rotation device (2) comprises a connecting block (21) installed on the conveying device (11), the connecting block (21) being connected to a supporting seat (22) for placing an outer shell and a bottom plate; the supporting seat (22) being connected to a receiving block (23), the receiving block (23) being installed with a belt rotation assembly (24), the belt rotation assembly (24) being connected to a linkage column (25), the linkage column (25) being connected to a rotating plate (26), a clamping assembly (27) being installed on the rotating plate (26), the clamping assembly (27) being configured to be able to clamp the outer shell and the bottom plate on the supporting seat (22), the belt rotation assembly (24) being configured to be able to drive the rotating plate (26) to rotate through the linkage column (25), thereby driving the clamping assembly (27) to rotate and then driving the outer shell and the bottom plate to rotate.

3. The edge welding device for processing a barbecue oven shell according to claim 2, characterized in that: The clamping assembly (27) comprises a rotating ring (271) rotatably connected to a rotating plate (26); a plurality of clamping claws (272) are slidably connected to the rotating plate (26) along its own circumferential direction; each of the clamping claws (272) is hinged to a transmission rod (273); and one end of each of the transmission rods (273) away from the clamping claw (272) is hinged to the rotating ring (271); a mounting frame (275) is installed on the linkage column (25); a feeding member (276) is installed on the mounting frame (275); the feeding member (276) is connected to the rotating ring (271); and the feeding member (276) is configured to drive the rotating ring (271) to rotate, thereby driving the plurality of clamping claws (272) to close or spread through the plurality of transmission rods (273).

4. The edge welding device for processing a barbecue grill shell according to claim 3, characterized in that: The number of the clamping claws (272) is eight, and the eight clamping claws (272) are evenly distributed along the circumferential direction of the rotating ring (271).

5. The edge welding device for processing a barbecue oven shell according to claim 3, characterized in that: The clamping claw (272) comprises a horizontal plate portion (2721) slidably connected to the rotating ring (271), the horizontal plate portion (2721) is connected to a vertical plate portion (2722), and an elastic pad (2723) is installed on the vertical plate portion (2722).

6. The edge welding device for processing a barbecue oven shell according to claim 2, characterized in that: The belt rotating assembly (24) comprises a worm (241), a receiving cavity (231) is opened in the receiving block (23), the worm (241) is located in the receiving cavity (231) and is rotatably connected to the receiving block (23), the worm (241) is connected to a driving member (242), the worm (241) is connected to a worm wheel (243), the worm wheel (243) is connected to a linkage column (25), and the worm wheel (243) and the linkage column (25) can rotate together.

7. The edge welding device for processing a barbecue oven shell according to claim 1, characterized in that: The second feeding device (4) comprises a rotating driving member (41) arranged on the workbench (1), and a receiving platform (42) is installed on the rotating driving member (41), and the receiving platform (42) comprises a plurality of receiving blind holes (421) uniformly distributed along the circumferential direction at the top end, and the receiving blind holes (421) are used to place the shell; the workbench (1) is also equipped with a mechanical arm (43), and a fixed disk (44) is installed on the mechanical arm (43), and a plurality of reciprocating feeding members (45) are installed on the fixed disk (44) along the circumferential direction, and each of the reciprocating feeding members (45) is connected to a suction cup (46), and the reciprocating feeding member (45) is configured to be able to drive the suction cup (46) to suck the inner wall of the shell.

8. The edge welding device for processing a barbecue oven shell according to claim 1, characterized in that: The welding device (5) comprises a connecting frame (51) arranged on a workbench (1), a horizontal driving member (52) being mounted on the connecting frame (51), a vertical driving member (53) being mounted on the horizontal driving member (52), and a welding head (54) being mounted on the vertical driving member (53).

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