CN213378783U

CN213378783U - One drags two to open material pipe end return bend all-in-one

Info

Publication number: CN213378783U
Application number: CN202020911975.0U
Authority: CN
Inventors: 孟伟; 杨永杰; 沈鹏; 宋敬儒
Original assignee: Sumaite Intelligent Technology Jiangsu Co ltd
Current assignee: Sumaite Intelligent Technology Jiangsu Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-06-08
Anticipated expiration: 2030-05-27

Abstract

The utility model provides a two-in-one opens material pipe end return bend all-in-one, including frame, alignment unit, pay-off portion, clamping mechanism, cutting assembly, breaking portion, frame top left side front end is fixed with the alignment unit, the alignment unit with pay-off portion links to each other, the end-to-end connection of pay-off portion has clamping mechanism, clamping mechanism with cutting assembly connects, cutting assembly's end is provided with breaking portion, breaking portion's both sides are connected with the bent pipe portion respectively, the frame both sides are fixed with material loading frame and material return portion respectively, the last portion of unloading of installing of material loading frame, the pipe fitting after the portion of unloading will process the completion place in material return portion, bent pipe portion, material loading frame, the portion of unloading and material return portion respectively for alignment unit and pay-off portion central position are line axial symmetry. The utility model discloses blowing, school circle, alignment, pay-off, the chipless cutting of scale, the automatic integration of bending, material returned of pipe fitting can be realized.

Description

One drags two to open material pipe end return bend all-in-one

Technical Field

The utility model discloses metal pipe fitting processing equipment technical field, in particular to one drags two to open material pipe end return bend all-in-one.

Background

A pipe bender for bending thin-wall copper pipe features that the pipe is clamped to a bending die and rotates with the die, and when the pipe is pulled by a press block, the press block is used to bend the pipe around the die. Along with the development of the numerical control machine tool industry, the advanced numerical control pipe bending machine tool is adopted to realize the bending process, so that the production efficiency can be greatly improved, and the product quality is ensured. Because the process parameters can be conveniently adjusted, the numerical control pipe bending machine can accurately and stably complete the actions of straightening, rounding, feeding, bending and the like, and the bending accuracy of the pipe workpiece is ensured. However, the quality of the bent copper tube is more sensitive to the process parameters, so that sufficient preliminary preparation and trial-manufacture work are required, and particularly, if the process parameters are not properly selected, the wrinkling phenomenon is easy to occur, so that the parts are scrapped. At present, most of pipe bending machines in common use bend pipes with prefabricated fixed sizes, operate in steps in the production process, and cannot timely, efficiently and automatically complete the processes of feeding, rounding, straightening, feeding, cutting to length without scraps, bending, returning and the like of the pipes from an initial reel, so that the processing procedures are complex in flow operation, time is wasted, and the production efficiency is greatly reduced. In addition, the copper pipe processing requirement is fine, the surface has no obvious defects such as dent, bulge, corrugation, crack (opening), scratch, clamping (pressing) mark and the like, and the pipe opening is smooth and flat and has no burr, crack and the like. In addition, the common pipe bender has low processing efficiency and cannot automatically bend a plurality of groups of pipes simultaneously.

Based on the situation, it is necessary to design a cutting pipe end and bending integrated machine, which can automatically and accurately adjust and position the pipes such as copper pipes, realize automatic integrated bending processing of pipe feeding, circle correction, straightening, feeding, fixed-length chipless cutting, bending and material returning, and simultaneously can perform automatic bending processing of pipe grouping and simultaneously.

Disclosure of Invention

In order to solve the bending machine among the above-mentioned prior art and can not realize the processing of bending of complete assembly line integration, production machining efficiency is low to and copper pipe processing technology quality subalternation technical problem, the utility model provides a one drags two to open material pipe end return bend all-in-one.

The technical scheme of the utility model is that: a one-driving-two cutting pipe end pipe bending integrated machine comprises a machine frame, a straightening unit, a feeding part, a clamping mechanism, a cutting assembly and a breaking part, a straightening unit is fixed at the front end of the left side above the middle part of the machine frame and is connected with the feeding part, the tail end of the feeding part is connected with a clamping mechanism, the clamping mechanism is connected with the cutting assembly, the tail end of the cutting component is provided with a snapping part which completes the separation of the cutting and breaking piece, two sides of the breaking part are respectively connected with a bent pipe part, the bent pipe part comprises a machine head, a die clamping assembly and a die changing part, the machine head controls the die clamping assembly to bend the pipe fitting, the die changing part can finish the movement and replacement of the die clamping assembly, a feeding frame and a material returning part are respectively fixed on two sides of the rack, a discharging part is mounted on the feeding frame, and the discharging parts are respectively positioned above the bent pipe parts; the discharging part is used for placing the processed pipe fitting in the material returning part, and the bent pipe part, the feeding frame, the discharging part and the material returning part are respectively in axial symmetry with respect to the connecting lines of the center positions of the straightening unit and the feeding part.

Furthermore, the straightening unit comprises a base frame, a base plate, a rounding roller, a straightening wheel and a straightening bearing, wherein the base frame is installed above the front end of the rack, a pair of guide wheels are fixed at the front end of the base frame, the base plate is detachably installed on the base frame behind the guide wheels, a plurality of groups of straightening wheels are installed on the base plate in the vertical direction and the horizontal direction respectively, and the straightening wheel is internally provided with two bearings.

Furthermore, the feeding part comprises an alternating current servo motor, a ball screw and a feeding guide rod, the alternating current servo motor is fixed on the rack, a motor shaft of the alternating current servo motor is fixedly connected with the ball screw, a nut push block is fixed on the ball screw, the feeding guide rod is arranged above the ball screw in parallel, a machining pipe fitting is sleeved on the feeding guide rod, and the nut push block pushes the machining pipe fitting to slide on the feeding guide rod.

Furthermore, the clamping mechanism comprises a fixed clamping die, a clamping cylinder and a clamping seat, the clamping seat is an annular supporting seat, the clamping seat is fixed on the rack, the inner wall of the clamping seat is connected with the fixed clamping die through the clamping cylinder, and the fixed clamping die is a three-piece chuck.

Furthermore, the cutting assembly comprises an external rotation type cutter and a cutting supporting seat, the cutting supporting seat is fixed on the rack, the external rotation type cutter is rotatably installed on the cutting supporting seat, and the inner wall of the external rotation type cutter is connected with a cutting tool bit through a feeding air cylinder.

Furthermore, the cutting assembly further comprises an intermittent blade oil injection device, the intermittent blade oil injection device is installed on the inner wall of the cutting support seat and close to the feed cylinder, and a volatile oil lubricating nozzle is arranged on the intermittent blade oil injection device and faces the cutting tool bit.

Furthermore, the discharging part comprises a manipulator, the manipulator is installed on the feeding frame, and the manipulator clamps the machined pipe fittings in the material returning part.

Furthermore, the material returning part comprises a material supporting part, a tail charging part, a trolley part and a tail seat part, the discharging part is used for placing the processed pipe fittings in the material supporting part, the material supporting part is used for regularly placing the processed pipe fittings in the tail charging part, the tail charging part is connected with the trolley part, and the trolley part can automatically walk on the rack from front to back to convey the pipe fittings in the tail charging part to the tail seat part.

Furthermore, the tail end of the snapping portion is provided with a first rotary punching portion, and the first rotary punching portion carries out rotary punching processing on the pipe fitting conveyed by the feeding portion.

Furthermore, the front end of the bent pipe part is provided with a second rotary punching part respectively, and the second rotary punching part is right the pipe fitting after the bent pipe part is processed is subjected to rotary punching treatment.

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

(1) the one-to-two cutting pipe end bending integrated machine provided by the utility model can timely, efficiently and automatically complete the processes of discharging, rounding, straightening, feeding, fixed-length chipless cutting, bending, returning and the like of the pipe fitting from the initial reel, and the processing process is integrated into a production line, thereby saving working hours and greatly improving the production efficiency; further, this the utility model discloses a one drags two to open material pipe end return bend all-in-one carries out the unloading through the frame middle part and carries, and the quantity of unloading is processed to the bent pipe portion of redistribution to both sides, has realized that a feeding two punishments do not process, has further improved processing production efficiency.

(2) The utility model provides a one drags two and opens material pipe end return bend all-in-one sets up multiunit alignment wheel through the equidirectional setting on the alignment unit, and the pipe fitting can carry out the alignment of a plurality of and alignment direction difference to the pipe fitting when passing through the alignment passageway, has improved the alignment precision of alignment unit, and then has improved the straightness of pipe fitting after the alignment;

(3) the utility model provides a two-by-one division material pipe end return bend all-in-one carries out the pay-off steadily continuously through ball screw, three lamella formula chucks through clamping mechanism can firmly press from both sides tight pipe fitting under the die clamping cylinder effect, and can prevent that the pipe fitting is rotatory, can realize cutting off fast of pipe fitting through the outer formula of spiraling cutter, the feed is steady, the back of a knife is rapid, and the cutter head feed amount is adjustable, change with the different wearing and tearing of adaptation cutter, ensure that each mouth of pipe throat rate is unanimous, the cutting edge increase of service life can be protected to the tool bit oil spout.

Drawings

Fig. 1 is a schematic perspective view of a one-to-two cutting pipe end bending machine of the present invention;

fig. 2 is a front view of the one-to-two cutting pipe end bending machine of the present invention;

fig. 3 is a top view of the one-to-two cutting pipe end bending machine of the present invention;

the reference numbers are as follows:

1. a frame; 2. a straightening unit; 3. a feeding part; 4. a clamping mechanism; 5. a cutting assembly; 6. a snapping portion; 7. a first spinning section; 8. a second spinning section; 9. a first head; 10. a second head; 11. a first clamp die assembly; 12. a second die clamping component 13 and a first trolley part; 14. a second carriage section; 15. a first mold changing part; 16. a second mold changing part; 17. a first feeding frame; 18. a first discharge unit; 19. a second discharge section; 20. a first tail charging portion; 21. a second tail charging portion; 22. a first tail seat portion; 23. a second tail seat portion; 24. a first material supporting part; 25. a second material supporting part; 26. and the second feeding frame.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1-3, the utility model provides a two draw material pipe end return bend all-in-one, including frame 1, alignment unit 2, pay-off portion 3, clamping mechanism 4, cutting assembly 5, snap 6, frame middle part top left side front end is fixed with the alignment unit, the alignment unit with the pay-off portion links to each other, the end-to-end connection of pay-off portion has clamping mechanism, clamping mechanism with the cutting assembly is connected, cutting assembly's end is provided with snap, snap accomplishes the separation of cutting off the piece, snap's both sides are connected with first bent pipe portion and second bent pipe portion respectively, first bent pipe portion includes first aircraft nose 9, first die clamping component 11 and first retooling portion 15, second bent pipe portion includes first aircraft nose 10, second die clamping component 12 and second retooling portion 16, first aircraft nose 9 and first aircraft nose 10 control respectively first die clamping component 11 and second die clamping component 12 are carried out the pipe fitting to the pipeline Bending, wherein the first die changing part 15 and the second die changing part 16 can complete the movement and replacement of the first die clamping assembly 11 and the second die clamping assembly 12, a first feeding frame 17, a second feeding frame 26, a first material returning part and a second material returning part are respectively fixed on two sides of the rack, a first discharging part 18 and a second discharging part 19 are respectively installed on the first feeding frame 17 and the second feeding frame 26, and the first discharging part 18 and the second discharging part 19 are respectively positioned above the first bent pipe part and the second bent pipe part; the first discharging part 18 and the second discharging part 19 are used for placing the machined pipe fittings in the first material returning part and the second material returning part respectively, and the first bent pipe part and the second bent pipe part, the first material loading frame 17 and the second material loading frame 26, the first discharging part 18 and the second discharging part 19, and the first material returning part and the second material returning part are in axial symmetry relative to the center positions of the straightening unit and the feeding part respectively.

The utility model discloses a straightening unit 2, pay-off portion 3, clamping mechanism 4, cutting assembly 5, snap 6, elbow portion, the portion of unloading and the equipment setting of material returned portion can be in time high-efficient automatic completion from initial reel to the pipe fitting via processes such as blowing, school circle, alignment, pay-off, scale chipless cutting, bend, material returned, the manufacturing procedure assembly line integration is practiced thrift man-hour, has improved production efficiency greatly. In addition, two sets of bending processing and unloading conveying assemblies are symmetrically arranged on two sides of the rack, unloading conveying is carried out through the middle of the rack, the quantity of unloading is distributed to the bent pipe parts on two sides for processing, two feeding positions are respectively processed, and processing production efficiency is further improved.

The utility model discloses an in some embodiments, alignment unit 2 includes base frame, base plate, school circle and rolls round wheel, alignment wheel and alignment bearing, the base frame is installed frame 1 front end top, the base frame front end is fixed with a pair of leading wheel, the leading wheel rear is in detachably installs the base plate on the base frame, install multiunit alignment wheel along vertical direction and horizontal direction respectively on the base plate, be equipped with two bearings in the alignment wheel.

Set up multiunit alignment wheel through alignment unit 2 upward equidirectional not, the pipe fitting can carry out the alignment of a plurality of and alignment orientation differences to the pipe fitting when passing through the alignment passageway and handle, can be simultaneously according to the soft, hard attitude difference of copper pipe, adjust alignment deflection respectively, every alignment wheel surface is smooth and two bearings are equipped with in inside, has effectively guaranteed alignment precision and stability, and then has improved the straightness of alignment back pipe fitting.

In some embodiments of the utility model, pay-off portion 3 includes alternating current servo motor, ball screw and pay-off guide arm, alternating current servo motor fixes in frame 1, alternating current servo motor's motor shaft fixedly connected with ball screw, be fixed with the nut ejector pad on the ball screw, ball screw top parallel arrangement has the pay-off guide arm, the cover is equipped with the processing pipe fitting on the pay-off guide arm, the nut ejector pad promotes the processing pipe fitting is in slide on the pay-off guide arm.

The horizontal conveying of pipe fittings is realized through the rotary motion of ball screw, and the spacing steady propulsion of pipe fittings is realized to the pay-off guide arm adoption wear-resisting polished rod, and ball screw passes through rotary motion and turns into translational motion, and friction loss is little, transmission efficiency is high, and the drive accuracy is high, the energy saving consumed the festival.

The utility model discloses an in some embodiments, clamping mechanism 4 includes fixation clamp mould, die clamping cylinder and presss from both sides tight seat, it is annular supporting seat to press from both sides tight seat and fix in frame 1, it is connected with the fixation clamp mould through die clamping cylinder to press from both sides tight seat inner wall, the fixation clamp mould is three lamella formula chucks.

The pipe fitting ring direction multi-angle uniform clamping is realized through the clamping mechanism 4, sufficient clamping force, mechanical strength and service life can be provided, and the local deformation of the pipe fitting can not be caused.

The utility model discloses an in some embodiments, cutting assembly 5 includes outer rotary cutter and cutting supporting seat, the cutting supporting seat is fixed in frame 1, outer rotary cutter is rotatory to be installed on the cutting supporting seat, outer rotary cutter inner wall is connected with the cutter head through the feed cylinder.

In this embodiment, the cutting assembly 5 further includes an intermittent blade oil spraying device, the intermittent blade oil spraying device is installed on the inner wall of the cutting support seat and close to the feed cylinder, the intermittent blade oil spraying device is provided with a volatile oil lubrication nozzle, and the nozzle is aligned to the cutting head in the direction.

Through adopting the external rotation type cutter, the cutter head is propelled and returned under the action of the feed cylinder, the annular rapid cutting of the pipe fitting is realized, the feed is stable, the withdrawal is rapid, the feed amount of the cutter head is adjustable, the different abrasion changes of the cutter are adapted, the pipe orifice necking rate is ensured to be consistent, an intermittent type blade oil injection device is provided, and each cutter head is provided with a volatile oil lubrication nozzle so as to prolong the service life of the cutting edge.

The utility model discloses an in some embodiments, first portion of unloading 18 and second portion of unloading 19 all include the manipulator, the manipulator is installed respectively on work or material rest 26 is gone up to first work or material rest 17 and second, the manipulator is placed in first material returned portion and second material returned portion with the pipe fitting centre gripping respectively after the processing is accomplished.

The manipulator can realize the accurate positioning and clamping function under the action of the pneumatic element, and can quickly and efficiently complete the automatic operation of clamping, pushing and unloading the bent pipe fitting.

In some embodiments of the present invention, the first material returning portion includes a first material supporting portion 24, a first tail material loading portion 20, a first cart portion 13 and a first tail seat portion 22, the second material returning portion includes a second material supporting portion 25, a second tail material loading portion 21, a second cart portion 14 and a second tail seat portion 23, the first unloading portion 18 and the second unloading portion 19 place the processed pipe fittings in the first material supporting portion 24 and the second material supporting portion 25 respectively, the first material supporting portion 24 and the second material supporting portion 25 place the processed pipe fittings regularly in the first tail material loading portion 20 and the second tail material loading portion 21, the first tail material loading portion 20 and the second tail material loading portion 21 respectively connect with the first cart portion 13 and the second cart portion 14, the first cart portion 13 and the second cart portion 14 can walk around on the frame 1 automatically, and the tailstock in the first tail material loading portion 20 and the second tail material loading portion 21 is transported to the first tail material loading portion 21 respectively 22 and a second tail seat portion 23.

The pipe fittings which are unloaded are placed to the first tail loading part 20 and the second tail loading part 21 in order through the first material supporting part 24 and the second material supporting part 25, the first tail loading part 20 and the second tail loading part 21 are respectively driven by the first trolley part 13 and the second trolley part 14 to transport back and forth on the rack 1, the pipe fittings which are processed are transported to the first tail seat part 22 and the second tail seat part 23, so that the pipe fittings are timely placed in a storage box outside the rack 1, and the automatic efficient flow operation of the double-unloading material returning process is realized.

In some embodiments of the present invention, the end of the snapping portion 6 is provided with a first spinning portion 7, and the first spinning portion 7 performs spinning processing on the pipe transported by the feeding portion 3.

Further, the front ends of the first bent pipe part and the second bent pipe part are respectively provided with a second rotary punching part 8, and the second rotary punching part 8 is right the pipe fitting after the bent pipe part is machined is subjected to rotary punching treatment.

Through after accomplishing at feeding stage fixed length cutting, set up first portion 7 of stringing soon and carry out the processing of stringing soon around the front end of pipe fitting, set up second portion 8 of stringing soon and handle around the rear end of pipe fitting, defects such as deburring, double-layered trace, breach improve pipe fitting integrality and pleasing to the eye degree.

The utility model discloses a return material subassembly of bending's theory of operation as follows: the pipe fitting is fed into a straightening unit 2 from an initial reel through discharging, the straightening unit 2 can straighten the pipe fitting and simultaneously carry out corresponding roundness correction under the action of a guide wheel and a straightening wheel, then the pipe fitting enters a feeding part 3, the feeding part 3 can stably and accurately convey and advance the pipe fitting under the action of a ball screw and a feeding guide rod, the conveying is stopped when the pipe fitting is conveyed to a specified length, then a clamping mechanism 4 clamps the pipe fitting under the action of a clamping cylinder and a fixed clamping die, a cutting assembly 5 can rapidly cut the pipe fitting under the action of an outward rotary cutter, the cut pipe fitting is rapidly separated under the action of a breaking part 6, a first rotary punching part and a second rotary punching part are driven to carry out rotary punching processing on a pipe fitting feeding port, then the pipe fitting enters a bent pipe part, a first machine head 9 and a first machine head 10 respectively control a first clamping die assembly 11 and a second clamping die assembly 12 to bend the pipe fitting, the first mold changing portion 15 and the second mold changing portion 16 can realize timely replacement of a mold clamping assembly, the first unloading portion 18 and the second unloading portion 19 which are fixed on the first feeding frame 17 and the second feeding frame 26 above the bent pipe portions at two sides are fixed, the processed pipe fittings are placed in the material returning portion through the pneumatic manipulator, the pipe fittings are placed regularly through the first material supporting portion 24 and the second material supporting portion 25, and the pipe fittings are respectively conveyed to the first tail seat portion 22 and the second tail seat portion 23 through the first trolley portion 13 and the second trolley portion 14 so as to be timely returned into a storage box outside the rack 1.

To sum up, the utility model discloses a one drags two to open material pipe end return bend all-in-one can carry out automatic accurate regulation location to a kind of pipe fitting of copper pipe, realizes pipe fitting blowing, school circle, alignment, pay-off, the chipless cutting of scale, bend, the automatic integration of material returned and bend the processing, realizes the processing of bending respectively of two punishments of a feeding through grouping modular design, practices thrift man-hour, has improved production efficiency greatly, has also guaranteed the precision and the process quality that the pipe fitting processed of bending simultaneously.

It is to be noted that, in the attached drawings or in the description, the implementation modes not shown or described are all the modes known by the ordinary skilled person in the field of technology, and are not described in detail. Furthermore, the above definitions of the various elements and methods are not limited to the specific structures, shapes, or configurations shown in the examples.

It is also noted that the illustrations herein may provide examples of parameters that include particular values, but that these parameters need not be exactly equal to the corresponding values, but may be approximated to the corresponding values within acceptable error tolerances or design constraints. Directional phrases used in the embodiments, such as those referring to "upper", "lower", "front", "rear", "left", "right", etc., refer only to the orientation of the attached drawings and are not intended to limit the scope of the present application.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The utility model provides a one drags two and opens material pipe end return bend all-in-one, includes frame, alignment unit, pay-off portion, clamping mechanism, cutting assembly, snap, its characterized in that: a straightening unit is fixed at the front end of the left side above the middle of the rack, the straightening unit is connected with the feeding part, the tail end of the feeding part is connected with a clamping mechanism, the clamping mechanism is connected with the cutting assembly, the tail end of the cutting assembly is provided with a snapping part, the snapping part completes separation of the cut and broken parts, two sides of the snapping part are respectively connected with a bent pipe part, the bent pipe part comprises a machine head, a die clamping assembly and a die changing part, the machine head controls the die clamping assembly to bend the pipe fitting, the die changing part can complete movement and replacement of the die clamping assembly, a feeding rack and a material returning part are respectively fixed at two sides of the rack, a discharging part is mounted on the feeding rack, and the discharging parts are respectively positioned above the bent pipe part; the discharging part is used for placing the processed pipe fitting in the material returning part, and the bent pipe part, the feeding frame, the discharging part and the material returning part are respectively in axial symmetry with respect to the connecting lines of the center positions of the straightening unit and the feeding part.

2. The one-drive-two cutting pipe end bending integrated machine according to claim 1, wherein: the straightening unit comprises a base frame, a base plate, a straightening rolling wheel, a straightening wheel and straightening bearings, wherein the base frame is installed above the front end of the frame, a pair of guide wheels are fixed to the front end of the base frame, the base plate is detachably installed on the base frame behind the guide wheels, a plurality of groups of straightening wheels are installed on the base plate in the vertical direction and the horizontal direction respectively, and the straightening wheels are internally provided with the two bearings.

3. The one-drive-two cutting pipe end bending integrated machine according to claim 1 or 2, wherein: the feeding part comprises an alternating current servo motor, a ball screw and a feeding guide rod, the alternating current servo motor is fixed on the rack, a motor shaft of the alternating current servo motor is fixedly connected with the ball screw, a nut push block is fixed on the ball screw, the feeding guide rod is arranged above the ball screw in parallel, a machining pipe fitting is sleeved on the feeding guide rod, and the nut push block pushes the machining pipe fitting to slide on the feeding guide rod.

4. The one-drive-two cutting pipe end bending integrated machine according to claim 3, wherein: the clamping mechanism comprises a fixed clamp die, a clamping cylinder and a clamping seat, the clamping seat is an annular supporting seat, the clamping seat is fixed on the rack, the inner wall of the clamping seat is connected with the fixed clamp die through the clamping cylinder, and the fixed clamp die is a three-piece chuck.

5. The one-drive-two cutting pipe end bending machine according to claim 1 or 4, wherein: the cutting assembly comprises an outer rotary cutter and a cutting supporting seat, the cutting supporting seat is fixed on the rack, the outer rotary cutter is rotatably installed on the cutting supporting seat, and the inner wall of the outer rotary cutter is connected with a cutting tool bit through a feeding cylinder.

6. The one-drive-two cutting pipe end bending machine according to claim 5, wherein: the cutting assembly further comprises an intermittent blade oil injection device, the intermittent blade oil injection device is installed on the inner wall of the cutting support seat and close to the feed cylinder, the intermittent blade oil injection device is provided with a volatile oil lubricating nozzle, and the nozzle faces the cutting tool bit.

7. The one-drive-two cutting pipe end bending integrated machine according to claim 6, wherein: the discharging part comprises a manipulator, the manipulator is installed on the feeding frame, and the manipulator clamps the machined pipe fittings in the material returning part.

8. The one-drive-two cutting pipe end bending machine according to claim 1 or 7, wherein: the material returning part comprises a material supporting part, a tail charging part, a trolley part and a tail seat part, the discharging part is used for placing the processed pipe fittings in the material supporting part, the material supporting part is used for regularly placing the processed pipe fittings in the tail charging part, the tail charging part is connected with the trolley part, the trolley part can automatically walk on the rack from front to back, and the pipe fittings in the tail charging part are conveyed to the tail seat part.

9. The one-drive-two cutting pipe end bending machine according to claim 8, wherein: the tail end of the breaking part is provided with a first rotary punching part, and the first rotary punching part carries out rotary punching processing on the pipe fitting conveyed by the feeding part.

10. The one-drive-two cutting pipe end bending machine according to claim 9, wherein: the front end of bent pipe portion is provided with second whirling portion respectively, second whirling portion is right the pipe fitting after the bent pipe portion processing is accomplished carries out the whirling and processes.