CN214813909U

CN214813909U - Flanging machine of round tube type air pipe

Info

Publication number: CN214813909U
Application number: CN202120750994.4U
Authority: CN
Inventors: 袁则怀
Original assignee: Foshan Nanhai Lichuan Cold Rolling Machinery Co ltd
Current assignee: Foshan Nanhai Lichuan Cold Rolling Machinery Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-11-23
Anticipated expiration: 2031-04-13

Abstract

The utility model discloses a flanging machine of a circular tube type air pipe, which comprises a left die frame, a right die frame, a left compression assembly and a right compression assembly, the left profiling component comprises a plurality of left pressing wheels arranged at the bottom of a left die frame, the right profiling component comprises a plurality of right pressing wheels arranged at the bottom of a right die frame at intervals from front to back, the outer peripheral wall of each left pressing wheel is provided with a left profiling conical surface with the outer diameter gradually reduced from top to bottom, the inclination of the left profiling conical surface on the left pressing wheels is gradually reduced from front to back, the outer periphery of each right pressing wheel is provided with a right profiling conical surface with the outer diameter gradually increased from top to bottom, the guiding support component comprises two guiding support components arranged at the front end and the rear end between the left die frame and the right die frame, and the profiling clamping drive component enables the left die frame and the right die frame to be close to or far away from each other; the profiling moves the drive assembly such that the pressure wheel rotates. The utility model discloses can be applied to the turn-ups of tuber pipe.

Description

Flanging machine of round tube type air pipe

Technical Field

The utility model relates to a field of machining equipment, in particular to flanger of pipe formula tuber pipe.

Background

In actual processing production, need splice the tuber pipe of pipe formula, the tradition is generally linked together two pipe formula's tuber pipes through the welded mode, this maintenance of being not convenient for, for the ease of dismouting, prior art sets up flange between two pipe formula's tuber pipe and fixes, so add man-hour at pipe formula's tuber pipe, need carry out the turn-ups at the tip of tuber pipe, and form the connection structure of flange formula, so that subsequent equipment, present all turn-ups through the manual work, machining efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flanger of tubular tuber pipe to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a flanger of pipe formula tuber pipe, its includes: the left die frame and the right die frame which are oppositely arranged from left to right, the left pressing assembly, the right pressing assembly, the pressing clamping driving assembly, the pressing moving driving assembly and the guiding supporting assembly, the left pressing assembly comprises a plurality of left pressing wheels which axially extend from top to bottom, the left pressing wheels are sequentially rotatably arranged at the bottom of the left die frame at intervals from front to back, the right pressing assembly comprises a right pressing wheel which axially extends from top to bottom, the right pressing wheels are sequentially rotatably arranged at the bottom of the right die frame at intervals from front to back, the left pressing wheels and the right pressing wheels are oppositely arranged from left to right one by one, each pair of right pressing wheel and left pressing wheel which are oppositely arranged are a pressing wheel shaping wheel set, the outer peripheral wall of the left pressing wheel is provided with a left pressing conical surface with the gradually reduced outer diameter from top to bottom, and the inclination of the left pressing conical surface on the left pressing wheel is gradually reduced from front to back, the periphery of the right pinch roller is provided with a right profiled conical surface with the outer diameter gradually increasing from top to bottom, the inclination of the left profiled conical surface on each pinch roller shaping wheel set is equal to that of the right profiled conical surface, the left profiled conical surface and the right profiled conical surface are oppositely arranged, the guide support assembly comprises two guide support members, the two guide support members are respectively arranged on the upper sides of the front ends and the upper sides of the rear ends of the pinch roller shaping wheel sets, the guide support members are arranged on the left die frame or the right die frame, and the horizontal height of the guide support members on the front side is higher than the horizontal height of the guide support members on the rear side; the profiling clamping driving assembly enables the left die frame and the right die frame to be close to or far away from each other; the profiling movement driving assembly is in transmission connection with one or more of the left pinch roller and the right pinch roller, so that the left pinch roller and/or the right pinch roller can rotate around the axis of the profiling movement driving assembly.

The utility model has the advantages that: when the flanging press is used, the end edge of an air pipe to be flanged is arranged between a left die frame and a right die frame, then the left die frame and the right die frame can be mutually close through a profiling clamping driving assembly, so that a right pinch roller and a left pinch roller on each pinch roller shaping wheel set are mutually close, the right pinch roller and the left pinch roller on the front end side are mutually clamped on two sides of the end edge of the air pipe, then the profiling moving driving assembly drives the left pinch roller and/or the right pinch roller to rotate around the axis of the profiling moving driving assembly, so as to drive the whole flanging machine to move forwards along the edge of the end part of the air pipe, under the mutual clamping of the left profiling conical surface and the right profiling conical surface, and because the inclination of the left profiling conical surfaces on a plurality of the left pinch rollers is gradually reduced from front to back, the inclination of the left profiling conical surface on each pinch roller shaping wheel set is equal to that of the right profiling conical surface, so that the edge of the end part of the air pipe is bent and deformed towards the right side, and the degree of bending deformation increases gradually from the past backward, realizes the turn-ups function, and at the in-process that the turn-ups removed, the direction supporting mechanism that is in the front side slides with the tuber pipe tip border that still does not have the turn-ups and contradicts, and the tuber pipe tip border that is in the back side direction supporting mechanism behind and the turn-ups slides and contradicts to improve the stability that the flanger removed, make the turn-ups go on continuously, avoid appearing the slope and lead to the flanger to break away from tuber pipe tip border.

As a further improvement of the technical scheme, the guide supporting mechanism comprises a first guide supporting roller which is axially arranged in a left-right extending mode, the first guide supporting roller is rotatably installed on the left die frame or the right die frame, and the first guide supporting roller stretches across between the right pressing wheel and the left pressing wheel.

This scheme supports the running roller through two first directions and comes to realize the slip conflict with the border of tuber pipe tip, reduces the turn-ups and removes the frictional force of in-process.

As a further improvement of the technical scheme, the outer peripheral wall of the left pinch roller is provided with a guide cylindrical surface, and the left profiling conical surface and the guide cylindrical surface are sequentially arranged from top to bottom.

Because the flanging is mainly folded towards the right side during processing, the left pressure roller can also be abutted against the peripheral wall of the air pipe through the guide cylindrical surface, and the stability of the flanging machine in the moving process is further improved.

As the further improvement of above-mentioned technical scheme, right side die mould subassembly still includes that the axial is the design pinch roller that extends the setting from top to bottom, is the level and sets up in right die carrier bottom and be close to the first design mesa of one side of left side die carrier, the design pinch roller rotationally installs in the bottom of right die carrier, first design mesa sets up in a plurality of with the design pinch roller the rear end side of right side pinch roller, design pinch roller periphery is provided with annular design step face, first design mesa is personally submitted interval setting from top to bottom with the design step, first design mesa is provided with the first design clearance that is the level setting with the design step face in the upper and lower direction.

Generally, the flanging which needs to be folded and turned over is 90-degree bent and arranged with the pipe wall of the air pipe, in order to realize 90-degree flanging, the scheme is that a shaping pressing wheel and a first shaping table board are arranged on the rear side of a pressing wheel shaping wheel set, specifically, when the flanging is folded and turned over to be close to 90 degrees, the flanging can enter a first shaping gap, and at the moment, under the shaping of the first shaping table board and a shaping step surface, the flanging is enabled to keep 90-degree folding and turning output, so that 90-degree folding and turning is realized.

As a further improvement of the technical scheme, the outer edge of the periphery of the shaped step surface is provided with a guide chamfer with an arc-shaped cross section. The guide chamfer is more favorable for the turned-over edges folded and turned over by the plurality of pinch roller shaping wheel sets to enter the first shaping gap.

As another improvement of above-mentioned technical scheme, right side die mould subassembly is still including setting up to be close to in right die carrier bottom the stereotype board of one side of left side die carrier the lower surface of stereotype board is provided with the second design mesa that is the level setting, the front end of second design mesa is provided with the leading-in inclined plane that the slope set up backward in the past, the design board sets up in a plurality of the rear end side of right side pinch roller.

When the flanging is folded to be close to 90 degrees, the flanging passes through the second shaping table board under the guide of the guide-in inclined plane, and the flanging is output in a 90-degree folded mode under the shaping of the second shaping table board, so that the 90-degree folded mode can be realized.

As a further improvement of the above technical scheme, the profiling clamping driving assembly comprises a base and a clamping driving unit, the right die carrier is fixed on the base, the left die carrier is arranged on the base in a left-right sliding manner, and the clamping driving unit is in transmission connection with the left die carrier, so that the left die carrier can move left and right relative to the base.

According to the scheme, the left die carrier is driven by the clamping driving unit to move left and right relative to the base, so that the left die carrier and the right die carrier are close to or far away from each other, wherein the clamping driving unit can adopt a linear driving structure, for example, the clamping driving unit can be an electric push rod, a cylinder, an oil cylinder and the like, and the left die carrier can be further connected with the base in a sliding manner.

As a further improvement of the technical scheme, the guide support assembly further comprises a plurality of second guide support rollers axially extending up and down, the second guide support rollers are rotatably arranged at the bottom of the left die frame, and the second guide support rollers are arranged side by side with the left pinch roller.

In order to further improve the stability that flanger removed, this scheme comes to slide with the pipe wall of tuber pipe through a plurality of second direction supporting roller wheels and contradicts.

As a further improvement of the technical scheme, the profiling movable driving assembly comprises a movable motor arranged on the right die frame, and the movable motor is in transmission connection with one of the right pinch rollers.

This scheme drives right pinch roller through the removal motor and rotates, realizes the removal of flanger.

As a further improvement of the technical scheme, the number of the moving motors is multiple, and the multiple moving motors are in one-to-one corresponding transmission connection with the multiple right pinch rollers respectively.

As a further improvement of the technical scheme, the left pinch rollers and the right pinch rollers are arranged at intervals in an arc shape on the horizontal projection plane, and the right side is arranged at the centroid of the arc shape. The left pressing wheels and the right pressing wheels are arranged at intervals in an arc shape, so that the air pipe can be further matched with a circular pipe type air pipe, and the extrusion deformation of the air pipe in the flanging process is reduced.

Drawings

The present invention will be further explained with reference to the drawings and examples;

fig. 1 is a bottom view of an embodiment of a flanger for a circular tube type air duct provided by the present invention, wherein two arrows respectively indicate a forward direction and a backward direction, and wherein two arrows respectively indicate a left direction and a right direction;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1, wherein the arrows indicate upward and downward directions, respectively, and wherein the arrows indicate left and right directions, respectively;

FIG. 3 is a cross-sectional view B-B of FIG. 1, wherein the two arrows indicate upward and downward directions, respectively, and wherein the two arrows indicate left and right directions, respectively;

fig. 4 is a bottom view of the flanger of the circular tube type air duct according to the present invention, wherein two arrows respectively indicate the forward direction and the backward direction, and wherein two arrows respectively indicate the left direction and the right direction.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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 thus, should not be construed as limiting the present invention.

In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 3, the flanger of the circular tube type air duct of the present invention makes the following embodiments:

the flanging machine of the embodiment comprises a left die frame 100, a right die frame 200, a left profiling assembly, a right profiling assembly, a profiling clamping driving assembly, a profiling moving driving assembly and a guiding supporting assembly which are oppositely arranged left and right.

The left profiling component comprises a plurality of left press wheels 300 axially extending up and down, the left press wheels 300 are sequentially arranged at the bottom of the left die carrier 100 in a rotating mode at front and back intervals, the right profiling component comprises a right press wheel 400 axially extending up and down, the right press wheel 400 is sequentially arranged at the bottom of the right die carrier 200 in a rotating mode at front and back intervals, the left press wheels 300 and the right press wheels 400 are arranged at left and right one-to-one opposite intervals, each pair of right press wheel 400 and left press wheel 300 oppositely arranged are press wheel shaping wheel sets, the outer peripheral wall of the left press wheel 300 is provided with a left profiling conical surface 310 with the outer diameter gradually reduced from top to bottom, the inclination of the left profiling conical surface 310 on the left press wheel 300 is gradually reduced from front to back, the outer periphery of the right press wheel 400 is provided with a right profiling conical surface 410 with the outer diameter gradually increased from top to bottom, and the inclination of the left profiling conical surface 310 on each press wheel shaping wheel set and the inclination of the right profiling conical surface 410 The left profiling conical surface 310 and the right profiling conical surface 410 are arranged oppositely,

the profiling clamping driving assembly is used for enabling the left die carrier 100 and the right die carrier 200 to approach or move away from each other, and specifically: die mould centre gripping drive assembly includes frame 1000, centre gripping drive unit, right side die carrier 200 is fixed in on the frame 1000, but left side die carrier 100 installs on frame 1000 with horizontal slip, centre gripping drive unit is connected with the transmission of left die carrier 100, makes left side die carrier 100 can for remove about frame 1000, and when processing, this embodiment through left die carrier 100 of centre gripping drive unit drive for remove about frame 1000, realize that left die carrier 100 is close to or keeps away from each other with right die carrier 200, and wherein centre gripping drive unit can adopt sharp drive structure, for example can be electric putter, cylinder, hydro-cylinder etc. and left side die carrier 100 still can with frame 1000 sliding connection. When the air pipe flanging device is used, the end edge of an air pipe to be flanged is arranged between the left die carrier 100 and the right die carrier 200, then the left die carrier 100 and the right die carrier 200 can be close to each other through the profiling clamping driving assembly, so that the right pinch roller 400 and the left pinch roller 300 on each pinch roller shaping wheel set are close to each other, and the right pinch roller 400 and the left pinch roller 300 on the front end side are made to mutually clamp the two sides of the end edge of the air pipe.

The profiling movement driving assembly is in transmission connection with one or more of the left pressing wheel 300 and the right pressing wheel 400, so that the left pressing wheel 300 and/or the right pressing wheel 400 can rotate around the axis thereof, specifically: the profiling movable driving assembly of the embodiment comprises a movable motor 900 installed on the right die frame 200, wherein the movable motor 900 is in transmission connection with one of the right pressing wheels 400, and the movable motor 900 drives the right pressing wheel 400 to rotate so as to realize the movement of the flanging machine.

Under the mutual centre gripping of left die mould conical surface 310 and right die mould conical surface 410, and because the slope of left die mould conical surface 310 on a plurality of left pinch rollers 300 diminishes from the past backward gradually, the slope of left die mould conical surface 310 on each pinch roller plastic wheelset is equal with the slope of right die mould conical surface 410 for the edge of tuber pipe tip is to the bending deformation of right side, and the degree of bending deformation increases from the past backward gradually, realizes the function of turn-ups.

In order to improve the stability of the flanging machine in the flanging moving process, the guiding and supporting assembly of the embodiment comprises two guiding and supporting members, the two guiding and supporting members are respectively arranged on the upper sides of the front end and the rear end of the pinch roller shaping wheel set, the guiding and supporting members are installed on the left die frame 100 or the right die frame 200, the horizontal height of the guiding and supporting structure at the front side is higher than the horizontal height of the guiding and supporting structure at the rear side, the guiding and supporting structure at the front side is in sliding conflict with the edge of the air pipe end without flanging, the guiding and supporting structure at the rear side is in sliding conflict with the edge of the air pipe end after flanging, so that the moving stability of the flanging machine is improved, the flanging can be continuously carried out, and the phenomenon that the flanging machine is separated from the edge of the air pipe end due to the inclination is avoided.

The direction supporting mechanism of this embodiment includes that the axial is the first direction supporting roller 500 that extends the setting about, first direction supporting roller 500 rotationally installs on left die carrier 100 or right die carrier 200, first direction supporting roller 500 stretches across between right pinch roller 400 and left pinch roller 300, comes to realize the slip conflict with the border of tuber pipe tip through two first direction supporting roller 500, reduces the turn-ups and removes the frictional force of in-process.

In order to improve the stability of the flanging machine in the moving process, the outer peripheral wall of the left pressing wheel 300 is provided with a guide cylindrical surface 320, the left profiling conical surface 310 and the guide cylindrical surface 320 are arranged in sequence from top to bottom, and the flanging is mainly folded towards the right side during processing, so that the left pressing wheel 300 can also abut against the peripheral wall of the air pipe through the guide cylindrical surface 320. And the direction supporting component still includes that a plurality of axial are the second direction supporting roller 800 that extends the setting from top to bottom, second direction supporting roller 800 rotationally installs in the bottom of left die carrier 100, and is a plurality of second direction supporting roller 800 sets up side by side with a plurality of left pinch roller 300, comes to slide with the pipe wall of tuber pipe through a plurality of second direction supporting roller 800 and contradicts.

Further, the right press-type assembly of this embodiment further includes a shaping pressing wheel 600 extending axially and vertically, and a first shaping table 700 horizontally disposed at one side of the bottom of the right mold frame 200 close to the left mold frame 100, the shaping pressing wheel 600 is rotatably mounted at the bottom of the right mold frame 200, the first shaping table 700 and the shaping pressing wheel 600 are disposed at the rear end sides of the plurality of right pressing wheels 400, an annular shaping step surface 610 is disposed at the periphery of the shaping pressing wheel 600, the first shaping table 700 and the shaping step surface 610 are vertically spaced, a first shaping gap 1100 horizontally disposed is disposed between the first shaping table 700 and the shaping step surface 610 in the vertical direction, a folded flange is generally disposed at 90 degrees to the pipe wall of the air pipe, and in order to realize a 90-degree flange, the shaping pressing wheel 600 and the first shaping table 700 are disposed at the rear side of the pressing wheel shaping wheel set, specifically, when the flanging is folded to be close to 90 degrees, the flanging enters the first shaping gap 1100, and the flanging is output in a 90-degree folded manner under the shaping of the first shaping table 700 and the shaping step surface 610, so that the 90-degree folding is realized. Meanwhile, the outer edge of the periphery of the shaping step surface 610 is provided with a guide chamfer 620 with an arc-shaped cross section. The guiding chamfer 620 is more favorable for the turned-over edge folded by a plurality of pinch roller shaping wheel sets to enter the first shaping gap 1100.

In other embodiments, as shown in fig. 4, the right profiling assembly further includes a shaping plate 1200 disposed at the bottom of the right mold frame 200 and close to one side of the left mold frame, a second shaping table 1201 disposed horizontally is disposed on a lower surface of the shaping plate 1200, an introduction inclined plane 1202 disposed obliquely downward from front to back is disposed at a front end of the second shaping table 1201, the shaping plate 1200 is disposed at a rear end side of the plurality of right pressing wheels 400, when the flanging is folded to be close to 90 degrees, the flanging passes through the second shaping table 1201 under the guidance of the introduction inclined plane 1202, and at this time, the flanging keeps 90 degrees folded and output under the shaping of the second shaping table 1201, and 90 degrees folding can also be achieved.

In some embodiments, the number of the moving motors 900 is multiple, and the multiple moving motors 900 are in one-to-one transmission connection with the multiple right pressing wheels 400 respectively.

In some embodiments, the left pressing wheels 300 and the right pressing wheels 400 are arranged in an arc shape at intervals on a horizontal projection plane, and the centroid of the arc shape is provided with a right side. The left pressing wheels 300 and the right pressing wheels 400 are arranged at intervals in an arc shape, so that the air pipe can be further matched with a circular pipe type air pipe, and the extrusion deformation of the air pipe in the flanging process is reduced.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. The utility model provides a flanger of pipe formula tuber pipe which characterized in that: it includes: the left die frame (100) and the right die frame (200), the left profiling assembly, the right profiling assembly, the profiling clamping driving assembly, the profiling moving driving assembly and the guiding supporting assembly are oppositely arranged on the left side and the right side, the left profiling assembly comprises a plurality of left press wheels (300) axially extending from top to bottom, the left press wheels (300) are sequentially arranged at the bottom of the left die frame (100) in a front-back interval rotatable mode, the right profiling assembly comprises right press wheels (400) axially extending from top to bottom, the right press wheels (400) are sequentially arranged at the bottom of the right die frame (200) in a front-back interval rotatable mode, the left press wheels (300) and the right press wheels (400) are arranged in a left-right one-to-one relative interval mode, each pair of right press wheel (400) and left press wheel (300) which are oppositely arranged are a press wheel shaping wheel set, the peripheral wall of the left press wheel (300) is provided with a left profiling conical surface (310) with an outer diameter gradually reduced from top to bottom, the inclination of a left profiling conical surface (310) on the left pinch rollers (300) is gradually reduced from front to back, a right profiling conical surface (410) with the outer diameter gradually increased from top to bottom is arranged on the periphery of the right pinch roller (400), the inclination of the left profiling conical surface (310) on each pinch roller shaping wheel set is equal to that of the right profiling conical surface (410), the left profiling conical surface (310) and the right profiling conical surface (410) are oppositely arranged, the guide support assembly comprises two guide support members, the two guide support members are respectively arranged on the upper sides of the front ends and the upper sides of the rear ends of the pinch roller shaping wheel sets, the guide support members are arranged on the left die frame (100) or the right die frame (200), and the horizontal height of the guide support members on the front side is higher than the horizontal height of the guide support members on the rear side; the profiling clamping driving assembly enables the left die frame (100) and the right die frame (200) to be close to or far away from each other; the profiling movement driving assembly is in transmission connection with one or more of the left pressing wheel (300) and the right pressing wheel (400), so that the left pressing wheel (300) and/or the right pressing wheel (400) can rotate around the axis of the profiling movement driving assembly.

2. The flanger of round tube air hose according to claim 1, characterized in that: the direction supporting structure includes that the axial is and extends first direction supporting roller (500) that set up about, first direction supporting roller (500) rotationally install on left die carrier (100) or right die carrier (200), first direction supporting roller (500) span between right pinch roller (400) and left pinch roller (300).

3. The flanger of round tube air hose according to claim 1, characterized in that: the outer peripheral wall of the left pinch roller (300) is provided with a guide cylindrical surface (320), and the left profiling conical surface (310) and the guide cylindrical surface (320) are sequentially arranged from top to bottom.

4. The flanger of round tube air hose according to claim 1, characterized in that: right side die mould subassembly still includes that the axial is design pinch roller (600) that extends the setting from top to bottom, is the level and sets up in right die carrier (200) bottom and be close to first design mesa (700) of one side of left side die carrier (100), design pinch roller (600) rotationally install in the bottom of right die carrier (200), first design mesa (700) set up in a plurality of with design pinch roller (600) the rear end side of right side pinch roller (400), design pinch roller (600) periphery is provided with annular design step face (610), first design mesa (700) and design step face (610) are the upper and lower interval setting, first design mesa (700) and design step face (610) are provided with first design clearance (1100) that are the level and set up in the upper and lower direction.

5. The flanger of round tube air hose according to claim 4, wherein: the outer edge around the shaping step surface (610) is provided with a guide chamfer (620) with an arc-shaped cross section.

6. The flanger of round tube air hose according to claim 1, characterized in that: the right side die mould subassembly is still including setting up in right die carrier (200) bottom and being close to the design board (1200) of one side of left side die carrier (100) the lower surface of design board (1200) is provided with second design mesa (1201) that is the level setting, the front end of second design mesa (1201) is provided with leading-in inclined plane (1202) that the slope set up backward in the past, design board (1200) set up in a plurality of the rear end side of right side pinch roller (400).

7. The flanger of round tube air hose according to claim 1, characterized in that: die mould centre gripping drive assembly includes frame (1000), centre gripping drive unit, right side die carrier (200) are fixed in on frame (1000), but left side die carrier (100) install on frame (1000) with horizontal slip, centre gripping drive unit is connected with left die carrier (100) transmission, makes left side die carrier (100) can for frame (1000) is removed about.

8. The flanger of round tube air hose according to claim 1, characterized in that: the direction supporting component still includes that a plurality of axial are second direction supporting roller (800) that extend from top to bottom and set up, second direction supporting roller (800) rotationally install in the bottom of left die carrier (100), and are a plurality of second direction supporting roller (800) and a plurality of left side pinch roller (300) set up side by side.

9. The flanger of round tube air hose according to claim 1, characterized in that: the profiling movable driving assembly comprises a movable motor (900) arranged on a right die frame (200), and the movable motor (900) is in transmission connection with one of the right pressing wheels (400).

10. The flanger of round tube air hose according to claim 1, characterized in that: the left pinch rollers (300) and the right pinch rollers (400) are arranged in an arc shape at intervals on the horizontal projection plane, and the right side is arranged at the centroid of the arc shape.