CN216137990U - Flanging device of flanging machine for stainless steel chimney processing - Google Patents

Abstract

The utility model discloses a flanging device of a flanging machine for processing a stainless steel chimney, which comprises a rack, a rotating device, a flaring device and a movable flanging unit, wherein the rotating device is rotatably arranged on the rack and is used for driving a metal cylinder to be flanged to rotate; the flaring device is rotatably arranged on the frame or on the rotating device and is used for flaring the caliber of the port to be flanged of the metal cylinder to be flanged, which is rotated by the rotating device; the movable flanging unit is movably arranged on the machine frame and can move outwards from the inside of the metal cylinder along the radial direction of the metal cylinder to be flanged so as to flange the expanded metal wall of the flaring device. When the flanging device is used, the flanging unit is moved along the radial direction of the metal cylinder to be flanged and moves outwards from the inside of the metal cylinder to be flanged under the condition that the flaring device expands the caliber of the port to be flanged of the metal cylinder to be flanged, so that the metal wall expanded by the flaring device is flanged outwards, and the effect of realizing quick flanging is achieved.

Description

Flanging device of flanging machine for stainless steel chimney processing

Technical Field

The utility model relates to the field of flanging equipment, in particular to a flanging device of a flanging machine for processing a stainless steel chimney.

Background

At present, an embedded non-co-body process is adopted during installation, connection and forming of a port of a stainless steel chimney, the matching precision is poor, and the firmness, the strength, the sealing performance and the like can not meet the requirements. Therefore, in order to improve the connection firmness between the port of the stainless steel chimney barrel and the equipment interface, the port of the stainless steel chimney barrel needs to be flanged. However, in the prior art, the mode generally adopted when the stainless steel chimney port is flanged is rigid flanging, namely, the flanging process is completed by manual hammering or manual extrusion, the flanging efficiency is low, the labor intensity is high, and the quality of the processed stainless steel chimney cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide a flanging device of a flanging machine for processing a stainless steel chimney, which is characterized in that a flanging unit is moved outwards along the radial direction of a metal cylinder to be flanged in order to flanging the expanded metal wall of a flaring device by moving the flanging unit outwards from the inside of the metal cylinder to be flanged in the radial direction of the metal cylinder to be flanged in the state that the flaring device expands the caliber of a port to be flanged of the metal cylinder to be flanged, so that the effect of realizing quick flanging is achieved.

The purpose of the utility model is realized by adopting the following technical scheme:

the utility model provides a flanging device of flanger is used in processing of stainless steel chimney, includes:

a frame;

the rotating device is arranged on the rack and used for driving the metal cylinder to be flanged to rotate;

the flaring device is arranged on the rack or the rotating device and is used for expanding the caliber of the port to be flanged of the metal cylinder to be flanged, which rotates by the rotating device;

and the movable flanging unit is arranged on the rack and can move outwards along the radial direction of the metal cylinder to be flanged so as to flanging the expanded metal wall of the flaring device.

Furthermore, the rotating device comprises a first rotating wheel and a second rotating wheel which are oppositely arranged on the rack and synchronously rotate, the rotating directions of the first rotating wheel and the second rotating wheel are the same, and the thick wall of the metal tube to be flanged is tightly attached and pressed by the first rotating wheel and the second rotating wheel, so that the thick wall is driven to rotate under the rotating acting force of the first rotating wheel and the second rotating wheel.

Furthermore, the flaring device is formed by a protruding part arranged on the first rotating wheel and a recessed part arranged on the second rotating wheel, the protruding part is arranged on the circumferential surface of the first rotating wheel and arranged along the circumferential direction of the first rotating wheel, the recessed part is arranged on the circumferential surface of the second rotating wheel and matched with the protruding part, and the second rotating wheel is movably arranged on the rack and can move towards the direction close to the first rotating wheel, so that the caliber of the port of the rotating flanging metal cylinder can be expanded to form a horn mouth.

Furthermore, an annular protruding part is further arranged on the circumferential surface of the first rotating wheel along the circumferential direction of the first rotating wheel, the annular protruding part and the protruding part are arranged at intervals, and an annular groove matched with the annular protruding part is further formed in the second rotating wheel, so that when the second rotating wheel moves towards the direction close to the first rotating wheel, reinforcing ribs can be formed on the flanging metal cylinder in a rotating state.

Furthermore, the flaring device is a flaring wheel which is rotatably arranged on the rack, the flaring wheel is arranged in the inner cavity of the metal tube to be flanged and is positioned at a port of the metal tube to be flanged so as to expand the caliber of the port of the rotating metal tube to form a bell mouth.

Furthermore, the utility model also comprises a moving device which is used for driving the second rotating wheel to move.

Furthermore, the utility model also comprises a transmission device which is used for enabling the first rotating wheel and the second rotating wheel to rotate synchronously.

Furthermore, the utility model also comprises a driving device, and the output end of the driving device is in driving connection with the transmission device.

Furthermore, the utility model also comprises a speed reducing device, wherein the speed reducing device is used for connecting the driving device and the transmission device.

Furthermore, the flanging device comprises an auxiliary positioning device, wherein the auxiliary positioning device comprises an installation shaft and a third rotating wheel, the installation shaft is movably arranged on the rack, and the third rotating wheel is rotatably arranged on the installation shaft so as to enable the third rotating wheel to be in rolling fit with the outer wall of the metal cylinder to be flanged under the rotating action force of the metal cylinder to be flanged.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the caliber of the port to be flanged of the metal cylinder to be flanged is expanded through the flaring device, and the flanging unit is moved outwards along the radial direction of the metal cylinder to be flanged and from the inside of the metal cylinder to be flanged based on the expanded caliber of the port to be flanged of the metal cylinder to be flanged, so that the metal wall expanded by the flaring device is flanged outwards, thereby achieving the effect of realizing rapid flanging.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of another embodiment of the present invention;

FIG. 3 is a schematic view of a connection structure between a mobile device and a rotating device according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a mobile device according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a driving device, a transmission device and a reduction gear in the embodiment of the utility model.

In the figure: 1. a frame; 2. a rotating device; 20. a first runner; 200. an annular protrusion; 201. a first rotating shaft; 202. a first pedestal bearing; 21. a second runner; 210. an annular groove; 211. a second rotating shaft; 212. a second rolling bearing; 3. a flaring device; 30. a recessed portion; 31. a projection; 4. a movable flanging unit; 40. a power plant; 41. a first mounting seat; 410. mounting a plate; 4100. a waist-shaped hole; 42. a first slider; 5. a mobile device; 50. a power source; 51. a moving member; 52. a guide device; 520. a first guide shaft; 521. a second guide shaft; 522. a third guide shaft; 523. a fourth guide shaft; 6. an output gear; 60. a second gear; 61. a reversing gear; 62. a first gear; 7. a reduction gear; 8. a drive device; 9. an auxiliary positioning device; 90. a third rotating wheel; 900. installing a shaft; 91. a second slider; 92. a second mounting seat; 93. a drive member.

Detailed Description

The present invention will be described with reference to the accompanying drawings and the detailed description, and it should be noted that, in the following description, various embodiments or technical features may be arbitrarily combined to form a new embodiment without conflict.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The implementation mode is as follows:

as shown in fig. 1-5, the present invention shows a flanging device of a flanging machine for stainless steel chimney processing, comprising a frame 1, a rotating device 2, a flaring device 3 and a movable flanging unit 4; the rotating device 2 is rotatably arranged on the frame 1 and is used for driving the metal cylinder to be flanged to rotate; the flaring device 3 is rotatably arranged on the frame 1 or the rotating device 2 and is used for expanding the caliber of the port to be flanged of the metal cylinder to be flanged, which is rotated by the rotating device 2; and the movable flanging unit 4 is movably arranged on the rack 1 and can move outwards from the inside of the metal cylinder along the radial direction of the metal cylinder to be flanged so as to flanging the expanded metal wall of the flaring device 3. Also can understand, remove turn-ups unit 4 and be located treat in the turn-ups metal cylinder and be close to the position of treating the turn-ups port, when treating that turn-ups metal cylinder rotates under rotating device 2's the driving, flaring device 3 will treat that the bore of treating the turn-ups port of turn-ups metal cylinder expands, treat that the bore of turn-ups port is under the expanded state based on treating the turn-ups metal cylinder, through removing turn-ups unit 4 along treating the radial direction of turn-ups metal cylinder and from treating turn-ups's metal cylinder inside-out motion, in order to carry out the flanging with the metal wall of flaring device 3 expansion, thereby reach the effect of realizing quick turn-ups.

In this embodiment, the rotating device 2 includes two first rotating wheels 20 and two second rotating wheels 21 which are oppositely disposed on the frame 1 and can rotate synchronously, the first rotating wheels 20 are rotatably disposed on the frame 1 through a first rotating shaft 201 and a first belt bearing 202, and the second rotating wheels 21 are rotatably disposed on the frame 1 through a second rotating shaft 211 and a second belt bearing 212. Certainly, a gap for driving the metal cylinder to be flanged to rotate exists between the first rotating wheel 20 and the second rotating wheel 21, so that the rotating directions of the first rotating wheel 20 and the second rotating wheel 21 are the same, and thus, when the thick wall of the metal cylinder to be flanged is attached and compressed by the first rotating wheel 20 and the second rotating wheel 21, that is, the outer wall of the metal cylinder to be flanged is attached and compressed by the circumferential surface of the first rotating wheel 20, and the inner wall of the metal cylinder to be flanged is attached and compressed by the circumferential surface of the second rotating wheel 21, the metal cylinder to be flanged can be driven to rotate under the rotating acting force of the first rotating wheel 20 and the second rotating wheel 21, and the effect of rotating the metal cylinder to be flanged is further achieved.

Of course, in other embodiments, the metal tube to be flanged may be driven to rotate by other rotating structures, for example, two ports of the metal tube to be flanged may be driven by the driving wheel, so as to drive the metal tube to be flanged to rotate, therefore, for those skilled in the art, it should also fall into the protection scope of the present invention to reasonably change the structure of the rotating device 2 and the rotating structure with the same functions.

In this embodiment, the flaring device 3 is formed by a protrusion 31 disposed on the first runner 20 and a recess 30 disposed on the second runner 21, the protrusion 31 is disposed on the circumferential surface of the first runner 20 and disposed along the circumferential direction of the first runner 20, the recess 30 is disposed on the circumferential surface of the second runner 21 and adapted to the protrusion 31, and the second runner 21 is further movably disposed on the frame 1 and can move in a direction close to the first runner 20, so that the caliber of the port of the rotating flanging metal cylinder can be expanded to form a flare opening. That is, it is understood that a recessed portion 30 is also provided on the circumferential surface of the second runner 21 along the circumferential direction thereof, the recessed portion 30 corresponding to the position of the projecting portion 31 and being capable of engaging with the projecting portion 31. On this basis, because the bulge 31 is located the outer wall of treating the turn-ups metal cylinder and is close to the position of treating the turn-ups port of treating the turn-ups metal cylinder, the recess 30 is located the inner wall of treating the turn-ups metal cylinder and is close to the position of treating the turn-ups port of treating the turn-ups metal cylinder and corresponds with bulge 31, therefore, treat that turn-ups metal cylinder carries out under the pivoted state under the rotatory effort of first runner 20 and second runner 21, when moving second runner 21 to the direction that is close to first runner 20, treat that turn-ups metal cylinder can expand the bore of treating the turn-ups port of treating the turn-ups metal cylinder under the mating reaction of bulge 31 and recess 30, thereby can expand and be formed with the horn mouth, and then reach the quick turn-ups effect of realization, and the effect preferred that the turn-ups came out.

In other embodiments, the flaring device 3 may also be a flaring wheel (not shown) rotatably disposed on the frame 1, the flaring wheel is disposed in an inner cavity of the metal tube to be flanged and located at a port of the metal tube to be flanged, and the flaring wheel is driven to rotate by a driving device (not shown), so that the caliber of the port of the rotating flanged metal tube can be expanded to form a flared port. Therefore, it is obvious to those skilled in the art that the structure of the flaring device 3 and the flaring structure of the same function can be modified reasonably and should fall within the protection scope of the present invention.

In this embodiment, the circumferential surface of the first rotor 20 is further provided with an annular protruding member 200 along the circumferential direction thereof, the annular protruding member 200 is arranged at an interval with the protruding portion 31, and the second rotor 21 is further provided with an annular groove 210 adapted to the annular protruding member 200, so that when the second rotor 21 moves toward the first rotor 20, a reinforcing rib can be formed on the flanging metal cylinder in a rotating state. That is to say, when the second runner 21 is moved toward the direction close to the first runner 20 in the state that the metal cylinder to be flanged rotates under the rotating action force of the first runner 20 and the second runner 21, the metal cylinder to be flanged is formed with the reinforcing ribs on the rotating metal cylinder under the matching action of the annular protruding part 200 and the annular groove 210, so as to achieve the effect of reinforcing the rigidity of the metal cylinder (stainless steel chimney section).

The present invention further includes a moving device 5, wherein the moving device 5 is disposed on the frame 1 and is configured to drive the second rotating wheel 21 to move, that is, the moving device 5 drives the second rolling bearing 212 to move, so as to drive the second rotating shaft 211 to move, thereby achieving an effect of moving the second rotating wheel 21 on the second rotating shaft 211.

Specifically, the moving device 5 includes a guiding device 52, a moving member 51 and a power source 50; wherein, the guiding device 52 is arranged on the frame 1 and arranged along the movable direction of the second rotating wheel 21; the moving member 51 is used to connect the second seated bearing 212, of course, the moving member 51 is movably disposed on the guiding device 52 and the movable direction thereof is the same as the movable direction of the second runner 21; the power source 50 is fixed on the frame 1 and used for driving the moving member 51 to move. Therefore, the power source 50 drives the moving member 51 to move along the guiding device 52, so as to drive the second seated bearing 212 to move, and the second seated bearing 212 is used for fixing the second rotating shaft 211, so that the movement of the second seated bearing 212 can drive the movement of the second rotating shaft 211, and further drive the movement of the second runner 21. The power source 50 of this embodiment is preferably a hydraulic cylinder, and compared with other power sources 50 (such as an air cylinder), the air cylinder drives the moving member 51 to move along the guiding device 52, and a rebound condition occurs due to the action of air pressure, so that the stability effect of the movement of the second wheel 21 driven by the hydraulic cylinder driving the moving member 51 is better.

Of course, in other embodiments, the power source 50 of the moving device 5 may also be other power sources 50, such as an air cylinder or an electric push rod, and therefore, it should be within the scope of the present invention for those skilled in the art to reasonably modify the power source 50 of the moving device 5.

In this embodiment, the guiding device 52 includes a first guiding component and a second guiding component, the first guiding component is disposed on the frame 1 and has the same movable direction as the second runner 21, and the first end of the moving member 51 is movably disposed on the first guiding component; the second guiding assembly is disposed on the frame 1 and symmetrically disposed with respect to the first guiding assembly with the rotation axis of the second rotation shaft 211 as a reference, and the second end of the moving member 51 is movably disposed on the second guiding assembly. That is, it can be understood that, by movably disposing one end of the moving member 51 on the first guide assembly and movably disposing the other end of the moving member 51 on the second guide assembly, the moving stability of the moving member 51 driven by the hydraulic oil cylinder along the first guide assembly and the second guide assembly can be better.

In this embodiment, the first guiding assembly includes a first guiding shaft 520 and a second guiding shaft 521, the first guiding shaft 520 and the second guiding shaft 521 are disposed oppositely along the rotation axis of the rotating device 2, a first side of the moving member 51 is slidably connected to the first guiding shaft 520, and a second side of the moving member 51 is slidably connected to the second guiding shaft 521; the second guiding assembly comprises a third guiding shaft 522 and a fourth guiding shaft 523, the third guiding shaft 522 is arranged opposite to the first guiding shaft 520, the fourth guiding shaft 523 is arranged opposite to the second guiding shaft 521, the first side of the moving member 51 is further connected with the third guiding shaft 522 in a sliding manner, and the second side of the moving member 51 is further connected with the fourth guiding shaft 523 in a sliding manner. That is to say, the second strip-seat bearing 212 is located between the first guide shaft 520 and the second guide shaft 521 and also located between the third guide shaft 522 and the fourth guide shaft 523, and when the hydraulic cylinder drives the moving member 51 to drive the second pulley 21 to move, the moving member 51 moves stably under the action of the first guide shaft 520, the second guide shaft 521, the third guide shaft 522 and the fourth guide shaft 523, so as to further improve the moving stability of the second pulley 21.

In this embodiment, the movable flanging unit 4 is a flanging wheel, and the present invention further includes a first sliding device, which is fixed on the frame 1 through the mounting plate 410. Of course, in order to avoid interference of the mounting plate 410 with the movement of the second rotating shaft 211, a slotted hole 4100 is formed in the mounting plate 410, and the second rotating shaft 211 can move in the slotted hole 4100 through the slotted hole 4100. The first sliding device comprises a first mounting seat 41, a first sliding block 42 and a power device 40, the first mounting seat 41 is fixedly arranged on the upper surface of the mounting plate 410, the first sliding block 42 is connected with the first mounting seat 41 in a sliding mode and can move along the radial direction of the metal tube to be flanged, the flanging wheel is rotatably arranged on the first sliding block 42, and the power device 40 drives the first sliding block 42 to move along the radial direction of the metal tube to be flanged, so that the moving purpose of the flanging wheel can be achieved. Because the flanging wheel is rotatably arranged on the first sliding block 42, when the flanging wheel is contacted with the thick wall of the metal cylinder to be flanged, the flanging wheel also rotates along with the thick wall of the metal cylinder to be flanged, so that the flanging effect is better.

The power device 40 of the present embodiment is preferably a hydraulic cylinder, and in other embodiments, the power device 40 may also use other power, such as an air cylinder or an electric push rod, and therefore, it should be within the scope of the present invention for those skilled in the art to reasonably modify the power device 40.

In addition to the above structure, the present invention further includes a driving device 8, wherein the driving device 8 is used for driving the first rotating shaft 201 and the second rotating shaft 211 to rotate, so as to drive the first rotating wheel 20 and the second rotating wheel 21 to rotate. Because the rotation directions of the first rotating wheel 20 and the second rotating wheel 21 are the same, that is, the first rotating wheel 20 and the second rotating wheel 21 rotate clockwise or counterclockwise at the same time, in order to save the number of the driving devices 8, the present invention further includes a transmission device, and the first rotating wheel 20 and the second rotating wheel 21 can rotate synchronously through the transmission device, so as to achieve the effect of saving cost. The driving device 8 of the present embodiment is preferably a driving motor, and an output end of the driving motor is in driving connection with a transmission device, and the driving motor drives the transmission device to transmit power, so as to drive the first rotating wheel 20 and the second rotating wheel 21 to rotate synchronously. In addition, in order to enable the effect that the first rotating wheel 20 and the second rotating wheel 21 drive the metal cylinder to be flanged to rotate to be more stable, the metal cylinder flanging device further comprises a speed reducing device 7, wherein the speed reducing device 7 is a speed reducer, the speed reducer is used for connecting a driving motor and a transmission device, namely the output end of the driving motor is in driving connection with the input end of the speed reducer through a coupler, and the output end of the speed reducer is in driving connection with the transmission device, so that the speed reducing effect is achieved.

In this embodiment, the transmission device includes an output gear 6, a reversing gear 61, a first gear 62 and a second gear 60, the output gear 6 is connected to an output key of the speed reducer, the reversing gear 61 is rotatably disposed on the frame 1 and is engaged with the output gear 6, the first gear 62 is fixedly disposed at an end of the first rotating shaft 201 away from the first rotating wheel 20 and is engaged with the reversing gear 61, and the second gear 60 is fixedly disposed at an end of the second rotating shaft 211 away from the second rotating wheel 21 and is engaged with the output gear 6. It can be seen that when the output gear 6 rotates clockwise, the second gear 60 rotates clockwise, the reversing gear 61 rotates counterclockwise, and the first gear 62 also rotates clockwise under the action of the reversing gear 61 in the same direction as the second gear 60, so as to achieve the same purpose of turning the first and second wheels 20 and 21.

In this embodiment, the present invention further includes an auxiliary positioning device 9, and the auxiliary positioning device 9 is movably disposed on the frame 1 to assist in positioning the metal cylinder to be flanged in a rotating state. Specifically, the auxiliary positioning device includes an installation shaft 900 and a third rotating wheel 90, the installation shaft 900 is movably disposed on the frame 1, and the third rotating wheel 90 is rotatably disposed on the installation shaft 900, so that the third rotating wheel 90 is in rolling fit with the outer wall of the metal tube to be flanged under the rotating action force of the metal tube to be flanged.

Further, the auxiliary positioning device further includes a second sliding device, and the second sliding device is disposed on the mounting plate 410 and is used for driving the third rotating wheel 90 to move. Specifically, the second sliding device includes a second mounting seat 92, a second sliding block 91 and a driving element 93, the second mounting seat 92 is fixed on the mounting plate 410, the second sliding block 91 is slidably connected with the second mounting seat 92 and can move along the movable direction of the second rotating wheel 21, and the mounting shaft 900 is fixed on the second sliding block 91. Therefore, the position of the third rotating wheel 90 can be adjusted by driving the second sliding block 91 to move along the movable direction of the second rotating wheel 21 through the driving piece 93, so that the rolling surface of the third rotating wheel 90 can be in rolling fit with the outer wall of the metal tube to be flanged, the auxiliary positioning is completed, and the metal tube to be flanged is driven to rotate more stably under the rotating action force of the first rotating wheel 20 and the second rotating wheel 21. Of course, it will be understood by those skilled in the art that the third runner 90 has the same and corresponding configuration as the second runner 21 on the circumferential surface thereof so that the rolling surface of the third runner 90 can always roll against the outer wall of the rotating metal cylinder.

Of course, in other embodiments, the driving member 93 may also be selected from other driving structures, such as an air cylinder or an electric push rod, and therefore, it is within the scope of the present invention for a person skilled in the art to reasonably modify the driving member 93.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims (10)

1. The utility model provides a flanging device of flanger is used in processing of stainless steel chimney which characterized in that includes:

a frame (1);

the rotating device (2) is arranged on the rack (1) and is used for driving the metal cylinder to be flanged to rotate;

the flaring device (3) is arranged on the rack (1) or the rotating device (2) and is used for flaring the caliber of the port to be flanged of the metal cylinder to be flanged, which rotates by the rotating device (2);

the movable flanging unit (4) is arranged on the rack (1), and the movable flanging unit (4) can move outwards along the radial direction of the metal cylinder to be flanged so as to flange the expanded metal wall of the flaring device (3).

2. The flanging device of the flanging machine for processing the stainless steel chimney according to claim 1, which is characterized in that: the rotating device (2) comprises a first rotating wheel (20) and a second rotating wheel (21) which are oppositely arranged on the rack (1) and synchronously rotate, the rotating directions of the first rotating wheel (20) and the second rotating wheel (21) are the same, and the thick wall of the metal tube to be flanged is attached and pressed tightly by the first rotating wheel (20) and the second rotating wheel (21), so that the thick wall is driven to rotate under the rotating acting force of the first rotating wheel (20) and the second rotating wheel (21).

3. The flanging device of the flanging machine for processing the stainless steel chimney according to claim 2, characterized in that: flaring device (3) are by locating bulge (31) on first runner (20) and locating depressed part (30) on second runner (21) and form, bulge (31) set up in on the periphery on first runner (20) and follow the circumference setting of first runner (20), depressed part (30) set up in on the periphery of second runner (21) and with bulge (31) adaptation, second runner (21) still movably set up in on frame (1) and can be to being close to the direction removal of first runner (20) to the bore of the port that makes the pivoted turn-ups metal cylinder can expand and be formed with the horn mouth.

4. The flanging device of the flanging machine for processing the stainless steel chimney according to claim 3, characterized in that: the novel flanging die is characterized in that an annular protruding part (200) is further arranged on the circumferential surface of the first rotating wheel (20) along the circumferential direction of the first rotating wheel, the annular protruding part (200) and the protruding part (31) are arranged at intervals, and an annular groove (210) matched with the annular protruding part (200) is further formed in the second rotating wheel (21), so that reinforcing ribs can be formed on the flanging metal cylinder in the rotating state when the second rotating wheel (21) moves towards the direction close to the first rotating wheel (20).

5. The flanging device of the flanging machine for processing the stainless steel chimney according to claim 2, characterized in that: the flaring device (3) is a flaring wheel which is rotatably arranged on the rack (1), the flaring wheel is arranged in an inner cavity of the metal tube to be flanged and is positioned at a port of the metal tube to be flanged so as to expand the caliber of the port of the rotating flanged metal tube to form a horn mouth.

6. The flanging device of the flanging machine for processing the stainless steel chimney according to claim 2, characterized in that: and the moving device (5) is used for driving the second rotating wheel (21) to move.

7. The flanging device of the flanging machine for processing the stainless steel chimney according to claim 2, characterized in that: the device also comprises a transmission device which is used for enabling the first rotating wheel (20) and the second rotating wheel (21) to rotate synchronously.

8. The flanging device of the flanging machine for processing the stainless steel chimney according to claim 7, characterized in that: the device also comprises a driving device (8), and the output end of the driving device is in driving connection with the transmission device.

9. The flanging device of the flanging machine for processing the stainless steel chimney according to claim 8, characterized in that: the device also comprises a speed reducing device (7) which is used for connecting the driving device (8) and the transmission device.

10. The flanging device of the flanging machine for processing the stainless steel chimney according to claim 1, which is characterized in that: the flanging metal cylinder is characterized by further comprising an auxiliary positioning device (9), wherein the auxiliary positioning device (9) comprises an installation shaft (900) and a third rotating wheel (90), the installation shaft (900) is movably arranged on the rack (1), and the third rotating wheel (90) is rotatably arranged on the installation shaft (900) so that the third rotating wheel (90) is in rolling fit with the outer wall of the flanging metal cylinder under the rotating action force of the flanging metal cylinder.

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