A flanging device for stainless steel chimney processing and a using method thereof

Abstract

The application discloses a flanging device for stainless steel chimney processing and a use method, which comprises two support plates, a placing seat is arranged at the top of the support plate, a placing groove is formed in the top of the placing seat, a receiving groove is formed in the left side of the placing groove, a pushing assembly connected with the support plate is arranged below the receiving groove, two first push rod motors are arranged at the top of the placing seat, a pressing seat is fixedly connected with the output shaft of the first push rod motor, first guide assemblies are arranged on the two sides of the pressing seat, a rotating shaft is rotatably arranged on the left side of the pressing seat, a disc is fixedly arranged on the rotating shaft, and a driving turning assembly is arranged on the right side of the disc. The chimney opening is heated and softened before being extruded and flanged, so that the subsequent flanging is prevented from being broken, the chimney can be rotated and polished during extrusion, the flanged opening is ensured to be smooth, and automatic unloading can be realized after the extrusion is completed, so that manual unloading is not needed, and labor is saved and efficiency is improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of chimney processing, and particularly relates to a flanging device for stainless steel chimney processing and a use method. BACKGROUND

[0002] A chimney is a structure for providing draft, draft or draw, to an attached building, furnace, stove, boiler or fireplace, by providing ventilation to an otherwise confined fire box. The design of chimneys varies depending on their function. Some chimneys are common features of buildings. Some locations commonly have chimneys for electrical power plant facilities.

[0003] The existing stainless steel chimney needs to be flanged when produced. The existing operation is to directly extrude the chimney opening to make it flange. However, direct extrusion can easily cause the chimney opening to break, and inconsistent expansion marks can easily appear during extrusion, resulting in a not smooth flange opening. Therefore, we propose a flanging device for stainless steel chimney processing and a use method. SUMMARY

[0004] In order to solve the above problems, the purpose of the present application is to provide a flanging device for stainless steel chimney processing and a use method. By extruding and rotating the chimney opening, the smoothness of the flange opening is ensured, and the chimney opening is heated and softened to prevent extrusion from breaking, thereby solving the problems raised in the background art.

[0005] To achieve the above purpose, the present application provides a flanging device for stainless steel chimney processing, comprising two support plates, the top of the support plate is provided with a placing seat, the top of the placing seat is provided with a placing groove, the left side of the placing groove is provided with a receiving groove, the lower part of the receiving groove is provided with a pushing assembly connected with the support plate, the top of the placing seat is provided with two first push rod motors, the output shaft of the first push rod motor is fixedly connected with a pressing seat, the both sides of the pressing seat are provided with a first guide assembly;

[0006] The left side of the pressing seat is provided with a rotating shaft, the rotating shaft is fixedly provided with a disc, the right side of the disc is provided with a driving steering assembly, the lower part of the disc is provided with a second guide assembly, the left side of the disc is fixedly connected with a horizontal moving assembly, the horizontal moving assembly is fixedly provided with a sleeve in the inside, and the sleeve is movably provided on the outside of the rotating shaft, the bottom of the horizontal moving assembly is provided with an electric heating ring, the left end of the sleeve is fixedly connected with a vertical plate, the vertical plate is rotatably provided with a flattening block and an expanding cone on one side, and the flattening block and the expanding cone are provided with a driving transmission assembly.

[0007] Preferably, the pushing assembly comprises a first driving motor fixedly connected to the supporting plate, an output shaft of the first driving motor is fixedly connected with a screw rod, an outer thread of the screw rod is sleeved with a push plate, and one side of the push plate is provided with a supporting plate.

[0008] Preferably, an opening is formed in the supporting plate on the right side, the push plate penetrates through the opening, and a guide groove is formed in the bottom of the placing seat, and the push plate is slidingly arranged in the guide groove.

[0009] Preferably, the first guide assembly comprises a positioning plate fixedly connected to one side of the pressing seat, a guide hole is formed in the positioning plate, a guide rod is movably sleeved in the guide hole, and the guide rod is fixedly connected to the placing seat.

[0010] Preferably, the driving and turning assembly comprises a second bevel gear fixedly sleeved outside the rotating shaft, the top of the pressing seat is fixedly connected with a fixed plate, the fixed plate is fixedly connected with a second driving motor, an output shaft of the second driving motor is fixedly connected with a first bevel gear, and the first bevel gear is in meshing transmission with the second bevel gear.

[0011] Preferably, the second guide assembly comprises a cross plate fixedly connected to one side of the pressing seat, one side of the cross plate is fixedly connected with a pull plate, the top of the pull plate is provided with a guide groove, and the disc is slidingly arranged in the guide groove.

[0012] Preferably, the horizontal moving assembly comprises two second push rod motors fixedly connected to one side of the disc, an output shaft of each second push rod motor is fixedly connected with a moving plate, the moving plate is fixedly sleeved outside the sleeve pipe, and the electric heating ring is fixedly connected to the moving plate.

[0013] Preferably, the driving transmission assembly comprises a positioning shaft arranged on the flattening block and the flaring cone and penetrating through the vertical plate, the other end of the positioning shaft is fixedly connected with a belt pulley, an outer sleeve of the two belt pulleys is sleeved with a belt, one side of the vertical plate is fixedly connected with a fixed rod, the other end of the fixed rod is fixedly connected with a third driving motor, and an output shaft of the third driving motor is fixedly connected with the belt pulley.

[0014] A use method of a flanging device for stainless steel chimney processing, comprising the following steps:

[0015] Step one: place the stainless steel chimney to be processed into the placing groove, and drive the pressing seat to move downward to press and fix the position through the first push rod motor, at this time, the electric heating ring first heats the chimney opening;

[0016] Step two: the horizontal moving assembly drives the vertical plate to move, the flaring cone on the vertical plate first extrudes and expands the chimney opening, after the expansion is completed, the horizontal moving assembly drives the vertical plate to reset, the driving steering assembly drives the rotating shaft to rotate, and then drives the vertical plate to rotate, at this time the horizontal moving assembly drives the flattening block to extrude the chimney expansion opening to flatten it;

[0017] Step three: when expanding and flattening, the driving transmission assembly drives the flattening block and the flaring cone to rotate to synchronously polish the chimney opening, ensuring the smoothness of the chimney opening;

[0018] Step four: after the flanging process is completed, the first push rod motor drives the pressing seat to move up, at this time the pushing assembly pushes the chimney to one side to automatically unload.

[0019] The flanging device for stainless steel chimney processing and the use method can bring the following beneficial effects:

[0020] The chimney is heated and softened by the electric heating ring, so that the flattening block and the flaring cone driven by the horizontal moving assembly extrude and flange the softened chimney, which can avoid the breakage of the flanged opening;

[0021] The flattening block and the flaring cone are driven by the driving transmission assembly to rotate when extruding and flanging, which can polish the flanged opening to ensure the smoothness of the flanged opening;

[0022] The first push rod motor drives the pressing seat to move up to release the positioning, and the pushing assembly pushes the chimney to one side to automatically unload, so that manual unloading is not required, which is labor-saving and convenient;

[0023] In summary, the present scheme has the advantages of simple structure, novel design, heating and softening the chimney opening before extruding and flanging, which avoids the breakage of the subsequent flanging, and can also be polished during extrusion, which ensures the smoothness of the flanged opening, and can automatically unload after extrusion, without the need for manual unloading, which is labor-saving and efficient. BRIEF DESCRIPTION OF DRAWINGS

[0024] The accompanying drawings, which are included to provide a further understanding of the application and constitute a part of this application, illustrate certain illustrative embodiments of the application and together with the description serve to explain the application.

[0025] In the drawings:

[0026] Figure 1 It is a front view structural schematic diagram of the present application.

[0027] Figure 2 It is a side view structural schematic diagram of the present application.

[0028] Figure 3 It is a top view structural schematic diagram of the present application.

[0029] Figure 4 It is a left view schematic diagram of the present application.

[0030] Figure 5 It is a right view schematic diagram of the present application.

[0031] Figure 6 It is an exploded schematic diagram of the placing seat and the pressing seat of the present application.

[0032] Figure 7 It is a schematic diagram of the horizontal moving assembly and the driving steering assembly of the present application.

[0033] Figure 8 It is a schematic diagram of the pushing plate and the supporting plate of the present application.

[0034] In the figure: 1 supporting plate, 2 placing seat, 3 placing groove, 4 receiving groove, 5 first driving motor, 6 screw rod, 7 pushing plate, 8 first pushing rod motor, 9 pressing seat, 10 positioning plate, 11 guide rod, 12 fixed plate, 13 second driving motor, 14 first bevel gear, 15 rotating shaft, 16 second bevel gear, 17 disc, 18 horizontal plate, 19 pull plate, 20 second pushing rod motor, 21 moving plate, 22 sleeve, 23 electric heating ring, 24 vertical plate, 25 flattening block, 26 flared cone, 27 positioning shaft, 28 belt pulley, 29 belt, 30 fixed rod, 31 third driving motor, 32 supporting plate. DETAILED DESCRIPTION

[0035] In order to more clearly illustrate the overall concept of the present application, the following will be described in detail with reference to the accompanying drawings.

[0036] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0037] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features referred to. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0038] In the present application, unless specifically defined and limited otherwise, the terms "mount", "connect", "connection", "fixed", and the like, should be construed broadly and do not necessarily mean fixedly connected, but can also mean detachably connected, or integrated; can be mechanical connection, or electrical connection, or communication; can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] In the present application, unless specifically defined and limited otherwise, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. In the description of the present application, the description of the terms "one scheme", "some schemes", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more schemes or examples in a suitable manner.

[0040] As shown in Figures 1-8 The embodiment of the present application proposes a flanging device for stainless steel chimney processing, which comprises two support plates 1, the top of the support plate 1 is provided with a placing seat 2, the top of the placing seat 2 is provided with a placing groove 3, the left side of the placing groove 3 is provided with a receiving groove 4, the lower side of the receiving groove 4 is provided with a pushing assembly connected with the support plate 1, the top of the placing seat 2 is provided with two first push rod motors 8, the output shaft of the first push rod motor 8 is fixedly connected with a pressing seat 9, the two sides of the pressing seat 9 are provided with a first guide assembly, the first guide assembly can guide the lifting of the pressing seat 9, reduce the lateral force received by the first push rod motor 8, and the first push rod motor 8 can drive the pressing seat 9 to press the stainless steel chimney to be processed in the placing groove 3;

[0041] The left side of the pressing seat 9 is rotatably provided with a rotating shaft 15, a disc 17 is fixedly sleeved on the rotating shaft 15, the right side of the disc 17 is provided with a driving turning assembly, the lower side of the disc 17 is provided with a second guiding assembly, the left side of the disc 17 is fixedly connected with a transverse moving assembly, the inside of the transverse moving assembly is fixedly sleeved with a sleeve pipe 22, the sleeve pipe 22 is movably sleeved on the outside of the rotating shaft 15, the bottom of the transverse moving assembly is provided with an electric heating ring 23, the left end of the sleeve pipe 22 is fixedly connected with a vertical plate 24, the vertical plate 24 is rotatably provided with a flattening block 25 and a flaring cone 26 on one side, the driving transmission assembly is arranged between the flattening block 25 and the flaring cone 26, the driving turning assembly can drive the vertical plate 24 to rotate, so that the flattening block 25 and the flaring cone 26 can be switched and used, the transverse moving assembly can drive the flattening block 25 and the flaring cone 26 to turn over and flatten the chimney, and the driving transmission assembly can drive the flattening block 25 and the flaring cone 26 to rotate and polish during the turning over and flattening, so that the smoothness of the turned over port is ensured.

[0042] As shown in Figure 1 , the pushing assembly comprises a first driving motor 5 fixedly connected to the support plate 1, an output shaft of the first driving motor 5 is fixedly connected with a screw rod 6, the outside of the screw rod 6 is threadedly sleeved with a push plate 7, one side of the push plate 7 is provided with a supporting plate 32, the first driving motor 5 drives the screw rod 6 to rotate, the screw rod 6 rotates to drive the push plate 7 to move, the push plate 7 pushes the chimney to the left side, so that the chimney is automatically unloaded from the placing groove 3.

[0043] As shown in Figure 5 , the support plate 1 on the right side is provided with an opening, and the push plate 7 penetrates through the opening, the bottom of the placing seat 2 is provided with a guide groove, and the push plate 7 is slidably arranged in the guide groove, the push plate 7 is guided through the guide groove to avoid rotating with the screw rod 6.

[0044] As shown in Figure 2 , the first guiding assembly comprises a positioning plate 10 fixedly connected to one side of the pressing seat 9, the positioning plate 10 is provided with a guide hole, the inside of the guide hole is movably sleeved with a guide rod 11, and the guide rod 11 is fixedly connected with the placing seat 2, the pressing seat 9 is movably arranged along the guide rod 11 through the positioning plate 10.

[0045] As shown in the figure, the driving turning assembly comprises a second bevel gear 16 fixedly sleeved on the outside of the rotating shaft 15, the top of the pressing seat 9 is fixedly connected with a fixed plate 12, the fixed plate 12 is fixedly connected with a second driving motor 13, the output shaft of the second driving motor 13 is fixedly connected with a first bevel gear 14, and the first bevel gear 14 is in meshing transmission with the second bevel gear 16, the second driving motor 13 drives the first bevel gear 14 to rotate, the first bevel gear 14 drives the second bevel gear 16 in meshing transmission to rotate, the second bevel gear 16 drives the rotating shaft 15 to rotate, the rotating shaft 15 drives the vertical plate 24 to rotate, so that the flattening block 25 and the flaring cone 26 can be switched and used.

[0046] As Figure 4 shown, the second guide assembly includes a transverse plate 18 fixedly connected to one side of the pressing seat 9, one side of the transverse plate 18 is fixedly connected with a pull plate 19, the top of the pull plate 19 is provided with a guide groove, and the disc 17 is slidingly arranged in the guide groove, so that the disc 17 can slide in the guide groove on the pull plate 19, thereby reducing the lateral force received by the rotating shaft 15.

[0047] As Figure 1 shown, the horizontal moving assembly includes two second push rod motors 20 fixedly connected to one side of the disc 17, the output shaft of the second push rod motor 20 is fixedly connected with a moving plate 21, the moving plate 21 is fixedly sleeved outside the sleeve pipe 22, the electric heating ring 23 is fixedly connected with the moving plate 21, the second push rod motor 20 drives the moving plate 21 to move, the moving plate 21 drives the sleeve pipe 22 to move horizontally outside the rotating shaft 15, and the sleeve pipe 22 can drive the electric heating ring 23 and the vertical plate 24 to move synchronously.

[0048] As Figure 4 shown, the driving transmission assembly includes a positioning shaft 27 arranged on the flattening block 25 and the flaring cone 26 and penetrating through the vertical plate 24, the other end of the positioning shaft 27 is fixedly connected with a belt pulley 28, the outer part of the two belt pulleys 28 is sleeved with a belt 29, one side of the vertical plate 24 is fixedly connected with a fixed rod 30, the other end of the fixed rod 30 is fixedly connected with a third driving motor 31, and the output shaft of the third driving motor 31 is fixedly connected with the belt pulley 28, the third driving motor 31 drives the belt pulley 28 to rotate, the two belt pulleys 28 and the belt 29 drive the positioning shaft 27 to rotate, and the positioning shaft 27 drives the flattening block 25 and the flaring cone 26 to rotate to realize polishing.

[0049] A method for using a flanging device for stainless steel chimney processing, comprising the following steps:

[0050] Step one: place the stainless steel chimney to be processed into the placing groove 3, and drive the flattening block 25 to move downward by the first push rod motor 8 to press and position, at this time the electric heating ring 23 first heats the chimney opening;

[0051] Step two: move the vertical plate 24 by the horizontal moving assembly, the flaring cone 26 on the vertical plate 24 first extrudes and expands the chimney opening, after the expansion is completed, the horizontal moving assembly drives the vertical plate 24 to reset, the driving turning assembly is driven to rotate the rotating shaft 15, thereby driving the vertical plate 24 to rotate, at this time the horizontal moving assembly drives the flattening block 25 to extrude the chimney expansion opening to flatten it;

[0052] Step three: when expanding and flattening, the driving transmission assembly drives the flattening block 25 and the flaring cone 26 to rotate to polish the chimney opening synchronously, so as to ensure the smoothness of the chimney opening;

[0053] Step four: after the completion of the flanging process, the first push rod motor 8 drives the compression seat 9 to move up, at this time the push assembly will push the chimney to one side to automatically unload.

[0054] Working principle: the stainless steel chimney to be processed is placed in the placing groove 3, at this time the output shaft of the second push rod motor 20 is fully extended, so that the electric heating ring 23 is away from the chimney. When processing, the first push rod motor 8 drives the compression seat 9 to move down to press and position the chimney, and the right end of the chimney is blocked by the compression seat 9. Before flanging, the second push rod motor 20 drives the vertical plate 24 and the electric heating ring 23 to move to the right, so that the electric heating ring 23 is just outside the chimney opening. At this time, the electric heating ring 23 works to heat the chimney opening. When the chimney opening is red and softened, stop heating. At this time, the second push rod motor 20 continues to drive the vertical plate 24 to move to the right, and the vertical plate 24 drives the flaring cone 26 to extrude and flange the chimney opening. In this way, the softened chimney opening is conveniently and evenly flanged, avoiding tearing and breaking. During the flanging process, the third drive motor 31 drives the pulley 28 to rotate, and the two pulleys 28 and the belt 29 drive the positioning shaft 27 to rotate, and the positioning shaft 27 drives the flattening block 25 and the flaring cone 26 to rotate to achieve polishing. After the preliminary flanging of the chimney is completed, the second push rod motor 20 drives the vertical plate 24 to move left to reset. At this time, the second drive motor 13 drives the first bevel gear 14 to rotate, which in turn drives the second bevel gear 16 to rotate, and the second bevel gear 16 drives the rotating shaft 15 to rotate, which in turn drives the vertical plate 24 to rotate 180 degrees. In this way, the flattening block 25 and the flaring cone 26 can be switched for use. At this time, the second push rod motor 20 drives the vertical plate 24 to move to the right, and the vertical plate 24 drives the flattening block 25 to flatten the flanged opening of the chimney. The flattening block 25 also rotates and polishes when flattening, which ensures the smoothness of the flanged opening.

[0055] After the flanging of the chimney is completed, the second push rod motor 20 drives the vertical plate 24 to move left, so that the electric heating ring 23 is completely separated from the chimney. At this time, the first push rod motor 8 drives the compression seat 9 to move up to release the extrusion, and the first drive motor 5 drives the screw rod 6 to rotate, which in turn drives the push plate 7 to move. The push plate 7 pushes the chimney to the left, so that the chimney is automatically unloaded from the placing groove 3. After the chimney slides to the left, the left side will be inclined to the supporting plate 32 to avoid falling and deforming. After automatic unloading is completed, the first drive motor 5 drives the push plate 7 to move right to reset. At this time, a new chimney is placed in the placing groove 3 to continue flanging and extrusion, and the above operation can be repeated.

[0056] The various embodiments described in this specification are intended to be exemplary only. The same elements having the same reference numerals designate the same elements throughout the various embodiments. Each embodiment described in this specification is intended to be exemplary only. The same elements having the same reference numerals designate the same elements throughout the various embodiments. Each embodiment described in this specification is intended to be exemplary only, and each embodiment highlights the differences from other embodiments. In particular, the system embodiments are described more simply, as they are substantially similar to the method embodiments, and reference is made to the relevant parts of the method embodiments.

[0057] The above description is merely illustrative of the embodiments of the present application and is not intended to limit the present application. The present application can be modified and changed in various ways by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A flanged device for processing stainless steel chimneys, comprising two support plates (1), characterized in that, The support plate (1) is provided with a placement seat (2) at the top, and a placement groove (3) is provided at the top of the placement seat (2). A storage groove (4) is provided on the left side of the placement groove (3). A push assembly connected to the support plate (1) is provided below the storage groove (4). The push assembly is used to push the chimney to move. Two first push rod motors (8) are provided at the top of the placement seat (2). The output shaft of the first push rod motor (8) is fixedly connected to a clamping seat (9). First guide assemblies are provided on both sides of the clamping seat (9). The left side of the pressing seat (9) is provided with a rotating shaft (15), and a disc (17) is fixedly sleeved on the rotating shaft (15). A drive steering assembly is provided on the right side of the disc (17) for driving the rotating shaft (15) to rotate. A second guide assembly is provided below the disc (17). A transverse component is fixedly connected to the left side of the disc (17). A sleeve (22) is fixedly sleeved inside the transverse component, and the sleeve (22) is movably sleeved outside the rotating shaft (15). A heating coil (23) is provided at the bottom of the transverse component. A vertical plate (24) is fixedly connected to the left end of the sleeve (22). A flattening block (25) and a flared cone (26) are rotatably provided on one side of the vertical plate (24). A drive transmission assembly is provided between the flattening block (25) and the flared cone (26).

2. The flange-flanging device for processing stainless steel chimneys according to claim 1, characterized in that, The pushing component includes a first drive motor (5) fixedly connected to a support plate (1), the output shaft of the first drive motor (5) is fixedly connected to a screw (6), the external thread of the screw (6) is fitted with a push plate (7), and a support plate (32) is provided on one side of the push plate (7).

3. The flange-flanging device for processing stainless steel chimneys according to claim 2, characterized in that, The support plate (1) located on the right side has a notch, and the push plate (7) passes through the notch. The bottom of the placement seat (2) has a guide groove, and the push plate (7) is slidably disposed in the guide groove.

4. The flanging device for processing stainless steel chimneys according to claim 1, characterized in that, The first guide assembly includes a positioning plate (10) fixedly connected to one side of the clamping seat (9). The positioning plate (10) has a guide hole, and a guide rod (11) is movably sleeved inside the guide hole. The guide rod (11) is fixedly connected to the placement seat (2).

5. The flanging device for processing stainless steel chimneys according to claim 1, characterized in that, The drive steering assembly includes a second bevel gear (16) fixedly sleeved on the outside of the rotating shaft (15), a fixed plate (12) fixedly connected to the top of the clamping seat (9), a second drive motor (13) fixedly connected to the fixed plate (12), a first bevel gear (14) fixedly connected to the output shaft of the second drive motor (13), and the first bevel gear (14) meshes with the second bevel gear (16) for transmission.

6. The flanging device for processing stainless steel chimneys according to claim 1, characterized in that, The second guide assembly includes a horizontal plate (18) fixedly connected to one side of the clamping seat (9), a pull plate (19) fixedly connected to one side of the horizontal plate (18), a guide groove is provided on the top of the pull plate (19), and a disc (17) is slidably disposed in the guide groove.

7. The flanging device for processing stainless steel chimneys according to claim 1, characterized in that, The transverse assembly includes two second push rod motors (20) fixedly connected to one side of the disc (17). The output shaft of the second push rod motor (20) is fixedly connected to a moving plate (21), and the moving plate (21) is fixedly sleeved on the outside of the sleeve (22). The heating coil (23) is fixedly connected to the moving plate (21).

8. The flanging device for processing stainless steel chimneys according to claim 1, characterized in that, The drive transmission assembly includes a positioning shaft (27) disposed on the flattening block (25) and the flared cone (26) and passing through the vertical plate (24). The other end of the positioning shaft (27) is fixedly connected to a pulley (28). A belt (29) is sleeved on the outside of the two pulleys (28). A fixing rod (30) is fixedly connected to one side of the vertical plate (24). The other end of the fixing rod (30) is fixedly connected to a third drive motor (31), and the output shaft of the third drive motor (31) is fixedly connected to the pulley (28).

9. A method of using the flange-flanging device for processing stainless steel chimneys as described in any one of claims 1-8, characterized in that, Includes the following steps: Step 1: Place the stainless steel chimney to be processed into the placement slot (3), and drive the pressing seat (9) to move down and press and position it through the first push rod motor (8). At this time, the electric heating coil (23) first heats the chimney opening. Step 2: The horizontal moving component drives the vertical plate (24) to move. The flaring cone (26) on the vertical plate (24) first squeezes and expands the chimney opening. After the expansion is completed, the horizontal moving component drives the vertical plate (24) to reset. The drive steering component drives the rotating shaft (15) to rotate, which in turn drives the vertical plate (24) to rotate. At this time, the horizontal moving component drives the flattening block (25) to squeeze and flatten the chimney expansion opening. Step 3: During the expansion and flattening process, the flattening block (25) and the flaring cone (26) are rotated by the drive transmission assembly to simultaneously grind the chimney opening, ensuring the smoothness of the chimney opening; Step 4: After the flanging process is completed, the first push rod motor (8) drives the pressing seat (9) to move upward. At this time, the pushing component will push the chimney to one side for automatic unloading.

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