CN114012163B

CN114012163B - Metal pipe synchronous cutting robot and cutting method thereof

Info

Publication number: CN114012163B
Application number: CN202111247189.0A
Authority: CN
Inventors: 许金兰
Original assignee: Nanjing Yusheng Robot Technology Co Ltd
Current assignee: Zhejiang linya Leisure Products Co.,Ltd.
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-09-02
Anticipated expiration: 2041-10-26
Also published as: CN114012163A

Abstract

The invention relates to a metal pipe synchronous cutting robot and a cutting method thereof, which realize the clamping of a metal pipe and control the electrical connection of a cutting tool through a guide component with bidirectional displacement, synchronize the stable clamping of the metal pipe with the cutting tool, thereby effectively improving the cutting efficiency, prevent from touching a power switch of the cutting tool by mistake in the placement process, protect peripheral workers, form clamping spaces with different specifications by a driving component, drive the metal pipe to displace into the clamping space with corresponding size through a transmission device, thereby effectively improving the universality of the cutting tool, the guide component and the driving component are combined and distributed on the upper surface and the lower surface of a worktable, the driving component drives the metal pipe to relatively displace along the radial direction of the cutting tool, the displacement component fixedly arranged at the end part of the driving component effectively controls the stable displacement and works synchronously with the cutting tool, effectively reduces the no-load loss of the cutting tool and improves the cutting efficiency.

Description

Metal pipe synchronous cutting robot and cutting method thereof

Technical Field

The invention relates to the field of metal pipe cutting, in particular to a metal pipe synchronous cutting robot and a cutting method thereof.

Background

The hydraulic system is widely applied to various mechanical equipment, the power is transmitted through a hydraulic pipe in a liquid circulation mode, the hydraulic pipeline is usually sealed effectively by adopting a metal seamless pipeline, a small hydraulic cylinder is usually adopted in the field of automobiles to provide driving force, and the cutting size of the hydraulic pipeline is small.

When the existing cutting tool cuts the metal pipe fitting, the metal pipe fitting is placed on the workbench and pushed to the cutting tool to work, the part of the cutting tool protrudes out of the workbench to complete cutting, the lower half part of the cutting tool is in no-load operation at the moment, power loss is improved, meanwhile, the metal pipe fitting is in an actual production process, and as the blank piece of the metal pipe fitting is longer in length, the metal pipe fitting needs to be conveyed through a conveying device, the integral structure size is increased, and space waste is caused.

Disclosure of Invention

The purpose of the invention is as follows: the utility model provides a metal pipe synchronous cutting robot, and further provides a cutting method of the metal pipe synchronous cutting robot, so as to solve the problems in the prior art.

The technical scheme is as follows: a metal pipe synchronous cutting robot, comprising: the cutting device comprises a sliding rail axially and fixedly connected to a workbench at a preset distance, and a cutting tool which is parallel to the sliding rail and is fixedly connected to the middle part of the workbench through a middle rotating shaft, wherein the cutting tool rotates around the middle rotating shaft to form an upper cutting area and a lower cutting area; and the working units are symmetrically and movably connected along the central axial direction of the sliding rail and linearly move along the radial direction of the cutting tool and are used for conveying the metal pipe and synchronously starting the cutting tool. The cutting tool uses the workbench as a center, a cutting area is divided, and the cutting tool is matched with the working units distributed in the cutting area for use, so that synchronous working of the cutting area is realized, the working units linearly move along the sliding rail, simultaneously, the working state of the cutting tool is controlled, stable cutting of a workpiece is realized, the cutting tool intermittently works, no-load power consumption during machining is effectively reduced, and the resource utilization rate is improved. Meanwhile, the working unit prevents the metal pipe fitting from moving due to tangential resistance in the cutting process to influence the cutting effect, the working unit is symmetrically arranged along the sliding rails and synchronously moves, the cutting tool is used for cutting the metal pipe fitting at the same time, the working efficiency of the cutting tool is effectively improved, the upper space part and the lower space part of the cutting tool are fully utilized by the working unit, the space utilization rate of the device is improved, and the production and processing efficiency is improved.

In a further embodiment, the working unit comprises guide assemblies which are symmetrically movably connected in the axial direction of the slide rail and move synchronously, an upper cutting working area and a lower cutting working area are formed, and a driving assembly which moves synchronously with the guide assemblies, wherein each guide assembly comprises a moving block which is movably connected along the slide rail and moves oppositely, a supporting seat which is fixedly connected along the surface of the moving block, an electric connector which is fixedly connected with the end part of the slide rail, and a telescopic assembly which is movably connected with the supporting seat and moves synchronously with the moving block. Slide rail tip fixed connection's electricity connects and movable block synchronous motion, thereby the electric connection state of direction subassembly control cutting tool, movable block displacement drives supporting seat and telescopic link synchronous displacement simultaneously, the supporting seat links up and makes telescopic link and a slide rail parallel synchronous motion, and link up the direction subassembly and be convenient for its effective work, change the linear motion of telescopic link into the rotation with the drive assembly of supporting seat connection, thereby the operating condition of effective control drive assembly, realize the fastening to metal pipe spare, the inside gas push rod that adopts of flexible subassembly, make along sharp working process, further drive assembly and stabilize the displacement, protect drive assembly, prevent that it from striking the impact force too big and leading to the metal pipe spare surface impaired with metal pipe spare.

In a further embodiment, the driving assembly includes a first driving assembly and a second driving assembly, which respectively rotate around the supporting seat, and are used for controlling a connection signal of the cutting tool and converting the linear displacement of the working unit into an electrical signal, the first driving assembly is located in the upper cutting working area, and the second driving assembly is located in the lower cutting working area. The first driving assembly and the second driving assembly are distributed on two sides of the sliding rail, effective clamping of the metal pipe fittings is completed, the moving block moves to drive the upper cutting work area and the lower cutting work area to work simultaneously, and the metal pipe fittings are clamped relatively to realize simultaneous cutting, so that the dead time of a cutting tool is reduced, and the processing work efficiency is improved.

In a further embodiment, first drive assembly and second drive assembly all include fixed connection and be in join seat on the workstation, the symmetric connection is in join the dwang of seat both sides, with join seat other end swing joint's fixed block, with the perpendicular swing joint's of fixed block connecting plate is followed perpendicular fixed connection of rotation rod tip and with dwang synchronous motion's first clamp plate, with connecting plate surface axial extension fixed connection's second clamp plate forms first centre gripping space. The connecting seat is fixedly connected with the workbench, stably supports the whole driving assembly, the rotating rod is coaxially connected with the supporting seat, the rotating rod is driven to rotate in a preset direction through the displacement of the supporting seat, the connecting plate on the first driving assembly supports the metal pipe fitting, the metal pipe fitting is placed completely, and the moving block drives the rotating rod to be attached to the second pressing plate to form a first clamping space, so that the metal pipe fitting is effectively prevented from moving and the cutting effect is influenced.

In a further embodiment, the rotating rod and the corner of the pressure rod are fixedly connected with a first buffer block, and the rotating rod and the side end face of the fixed block are fixedly connected with a second buffer block, and extend at right angles to the axial direction in the fixed block to form a second clamping space with the first buffer block. First buffer block and second buffer block adopt elasticity material fixed connection to rotate the in-process at the dwang, effectively cushion the metal pipe fitting in the second centre gripping space, and its elastic contraction forms positive negative difference with metal pipe fitting specification and dimension, thereby realize the centre gripping to different specification and dimension, and at the metal cutting in-process, effectively alleviate cutting blade's vibration, prevent to influence clamping device's stability. The second clamping space is larger than the first clamping space, so that the space formed by the device is effectively utilized, the whole structure is more compact, and the clamping range of the whole device is enlarged.

In a further embodiment, a displacement assembly is fixedly connected with the inner end face of the workbench in an axially extending manner at the side end between the connecting seats, and comprises a box body, electromagnets uniformly and sequentially arranged along the middle end part of the box body, a gas pipe connected between the electromagnets, and an air flow valve fixedly connected along the radial direction of the inner wall of the gas pipe, wherein the end part electromagnet is fixedly connected with the driving assembly, and the middle part electromagnet is electrically connected with the cutting tool. Electromagnet initial position is located box middle part and both ends, form the predetermined distance through the gas pipe fitting between the electro-magnet, the electromagnetic field exists the predetermined distance each other, thereby effectively prevent that drive assembly displacement from influencing the cutting work of cutting tool to the metal pipe fitting, and simultaneously, middle part electro-magnet and cutting tool electric connection, make its and cutting tool synchronous operation, middle part electro-magnet circular telegram magnetic coil reinforcing, thereby effectively adsorb the end electro-magnet, drive assembly along gas pipe fitting synchronous motion, speed when the valve control electro-magnet of concurrent flow removed the process, thereby prevent to lead to the direct striking cutting tool of metal pipe fitting because of the acceleration is too fast, effectively guarantee cutting tool's cutting effect.

A cutting method of a metal pipe synchronous cutting robot comprises the following steps:

s1, the guide assembly is located at an initial position, and the first pressure plate is far away from the slide rail at a preset angle;

s2, judging the relative position with the clamping space according to the actual size of the metal pipe fitting to be processed,

s3, the telescopic rod displaces to drive the first driving assembly and the second driving assembly to move synchronously, and the first pressing plate rotates to be in contact with the metal pipe fitting to form a clamping space;

s4, simultaneously, the telescopic rod drives the electric connector to be connected with a power supply, and the cutting tool is started;

s5, the cutting tool works, and the displacement assembly works to drive the metal pipe fitting to radially displace along the cutting tool, so that the metal pipe fitting is cut up and down simultaneously.

In a further embodiment, the determining the relative position to the clamping space includes:

s101, the diameter of the metal pipe fitting to be processed is larger than the size range of the first clamping space, and the metal pipe fitting is placed on the outer side of the conveying device and corresponds to the second clamping space;

s102, the diameter of the metal pipe fitting to be machined is suitable for the size range of the first clamping space, and the metal pipe fitting is placed to correspond to the first clamping space.

Has the advantages that: the invention relates to a metal pipe synchronous cutting robot and a cutting method thereof, which realize the clamping of a metal pipe and control the electrical connection of a cutting tool through a guide component with bidirectional displacement, synchronize the stable clamping of the metal pipe with the cutting tool, thereby effectively improving the cutting efficiency, prevent from touching a power switch of the cutting tool by mistake in the placement process, protect peripheral workers, form clamping spaces with different specifications by a driving component, drive the metal pipe to displace into the clamping space with corresponding size through a transmission device, thereby effectively improving the universality of the cutting tool, the guide component and the driving component are combined and distributed on the upper surface and the lower surface of a worktable, the driving component drives the metal pipe to relatively displace along the radial direction of the cutting tool, the displacement component fixedly arranged at the end part of the driving component effectively controls the stable displacement and works synchronously with the cutting tool, effectively reduces the no-load loss of the cutting tool and improves the cutting efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall structure of the guide assembly of the present invention.

Fig. 3 is a schematic view of the overall structure of the driving assembly of the present invention.

Fig. 4 is a schematic view of the overall structure of the displacement assembly of the present invention.

The various reference numbers in the figures are: the cutting device comprises a sliding rail 1, a cutting tool 2, a workbench 3, a working unit 4, a moving block 4011, a supporting seat 4012, an expansion rod 4013, an electric connector 4014, a connecting seat 4021, a rotating rod 4022, a fixing block 4023, a connecting plate 4024, a first pressing plate 4025, a second pressing plate 4026, a first buffering block 4027, a second buffering block 4028, a displacement assembly 5, a middle electromagnet 501, an end electromagnet 502, an airflow valve 503 and a gas pipe 504.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.

The applicant designs a metal pipe synchronous cutting robot, including: the cutting device comprises a sliding rail 1 axially and fixedly connected to a workbench 3 at a preset distance, and a cutting tool 2 parallel to the sliding rail 1 and fixedly connected to the middle of the workbench 3 through a middle rotating shaft, wherein the cutting tool 2 rotates around the middle rotating shaft to form an upper cutting area and a lower cutting area; and the working units 4 are symmetrically and movably connected along the central axial direction of the sliding rail 1 and linearly move along the radial direction of the cutting tool 2, and are used for conveying the metal pipe and synchronously starting the cutting tool 2.

In the prior art, a cutting tool 2 of a cutting device is positioned on a workbench 3 at a preset distance, the lower half part of the rotating part of the cutting tool 2 is in an idle-load state in the process, the blank of a traditional cutting metal pipe fitting has overlarge length size, occupies a large amount of processing space, and has limitation in one-time processing amount, the cutting tool 2 takes the workbench 3 as the center, a cutting area is divided and is matched with working units 4 distributed in the cutting area for use, when the cutting tool 2 is started, the working units 4 drive the metal pipe fitting to move relatively and close to a sliding rail 1, so that synchronous working of the cutting area is realized, the working units 4 linearly move along the sliding rail 1 and simultaneously control the working state of the cutting tool 2 and realize stable cutting of a workpiece, the cutting tool 2 intermittently works, so that the cutting tool 2 is automatically started when the working units 4 are loaded, and the safety of workers is effectively prevented from being influenced by synchronous working of the operation and the cutting tool 2, effectively reduces the power consumption of processing no load and improves the resource utilization rate. Meanwhile, the working unit 4 prevents the metal pipe fitting from moving due to tangential resistance in the cutting process to affect the cutting effect, the working unit 4 is symmetrically arranged along the sliding rail 1 and synchronously moves, the cutting tool 2 is used for cutting the metal pipe fitting at the same time, the working efficiency of the cutting tool 2 is effectively improved, meanwhile, the working unit 4 makes full use of the upper space part and the lower space part of the cutting tool 2, the space utilization rate of the device is improved, and the production and machining efficiency is improved.

Among the prior art cutting tool 2 distributes on workstation 3, through convey the metal pipe fitting to preset position and after stabilizing the centre gripping, restart cutting tool 2 to guarantee cutting tool 2's operating mass, nevertheless its in the cutting work process, cutting tool 2 and metal pipe fitting contact's impact force transfer to clamping device, make clamping device be again after accomplishing work to the metal pipe fitting and receive reverse impact force, and influence clamping device's clamping effect. The working unit 4 comprises guide assemblies which are axially symmetrically movably connected and move synchronously along the sliding rail 1, an upper cutting working area and a lower cutting working area are formed, and a driving assembly moves synchronously with the guide assemblies, wherein each guide assembly comprises a moving block 4011 which is movably connected along the sliding rail 1 and moves oppositely, a supporting seat 4012 which is fixedly connected along the surface of the moving block 4011, an electric connector 4014 which is fixedly connected with the end part of the sliding rail 1, and a telescopic assembly which is movably connected with the supporting seat 4012 and moves synchronously with the moving block 4011. An electric connector 4014 fixedly connected with the end part of the sliding rail 1 and a moving block 4011 move synchronously, so that the guide assembly controls the electric connection state of the cutting tool 2, meanwhile, the moving block 4011 moves to drive a supporting seat 4012 and a telescopic rod 4013 to move synchronously, the moving block synchronously drives the guide assembly in a cutting working area to move synchronously, the moving block connected with one end of the guide assembly moves, the supporting seat 4012 is connected to enable the telescopic rod 4013 and the sliding rail 1 to move synchronously in parallel, the guide assembly is connected to facilitate effective work, the linear motion of the telescopic rod 4013 is converted into the rotation of a driving assembly connected with the supporting seat 4012, so that the working state of the driving assembly is effectively controlled, the fastening of metal pipe fittings is realized, a gas push rod is adopted in the telescopic assembly, the linear working process is further driven to drive the driving assembly to move stably, the driving assembly is protected, the gas pushing effectively improves the displacement stability of the supporting seat 4012 driving the driving assembly, avoid 1 draw-in groove friction of slide rail to lead to metal pipe along the inside rocking of drive assembly, cause drive assembly inner wall wearing and tearing, influence later stage result in, prevent that it from striking with metal pipe too big and leading to metal pipe surface impaired.

The driving assembly comprises a first driving assembly and a second driving assembly which respectively rotate around the supporting seat 4012, the first driving assembly and the second driving assembly are used for controlling a connecting signal of the cutting tool 2 and converting linear displacement of the working unit 4 into an electric signal, the first driving assembly is located in the upper cutting working area, and the second driving assembly is located in the lower cutting working area. First drive assembly and second drive assembly distribute in slide rail 1 both sides, accomplish effective centre gripping and movable block 4011 displacement drive to metal pipe spare and cut the regional simultaneous working of cutting from top to bottom, and relative centre gripping metal pipe spare realizes cutting simultaneously to reduce cutting tool 2 dead time, improve processing work efficiency.

First drive assembly and second drive assembly all include fixed connection in the joint seat 4021 on the workstation 3, the symmetric connection in the dwang 4022 of joint seat 4021 both sides, with the fixed block 4023 of joint seat 4021 other end swing joint, with the perpendicular swing joint's of fixed block 4023 connecting plate 4024 follows the perpendicular fixed connection of dwang 4022 tip and with dwang 4022 synchronous motion's first clamp plate 4025, with connecting plate 4024 surface axial extension fixed connection's second clamp plate 4026 forms first centre gripping space. The connecting seat 4021 is fixedly connected with the workbench 3 and stably supports the integral driving assembly, the rotating rod 4022 is coaxially connected with the supporting seat 4012 and is pulled to rotate in a preset direction through the displacement of the supporting seat 4012, the connecting plate 4024 on the first driving assembly plays a supporting role on the metal pipe fitting, and the metal pipe fitting is conveyed to the lower part of the cutting tool 2 through the conveying device in the production process.

The traditional clamping device is limited aiming at the clamping range of the metal pipe fittings, so that the cutting tool 2 can only process the metal pipe fittings with the same specification and size in one-step processing, and the processing efficiency of small-batch production is influenced. The rotating rod 4022 and a corner of the pressing rod are fixedly connected with a first buffer block 4027, a side end face of the fixed block 4023 is fixedly connected with a second buffer block 4028, and a second clamping space is formed by the rotating rod 4022, the axial direction inside the fixed block 4023 and the first buffer block 4027 in a right-angle extending mode. First buffer block 4027 is very easily extremely easy second buffer block 4028 reuse elastic material fixed connection to in the dwang 4022 rotation process, effectively cushion the metal pipe fitting in the second centre gripping space, and its elastic contraction forms positive negative difference with metal pipe fitting specification and size, thereby realizes the centre gripping to different specification and size, and at the metal cutting in-process, effectively alleviates cutting blade's vibration, prevents to influence clamping device's stability. The second clamping space is larger than the first clamping space, so that the space formed by the device is effectively utilized, the whole structure is more compact, and the clamping range of the whole device is enlarged.

Cutting tool 2 rotates its work area and is semi-circular to when carrying out cutting work, the cutting effect of metal pipe spare has been decided with cutting area's crossing scope in metal pipe spare plane, cutting tool 2 rigidity, thereby based on above-mentioned technical scheme, first centre gripping space width and second centre gripping space width sum are less than cutting tool 2 diameters, make drive assembly drive metal pipe spare straight line along the work area displacement, accomplish the cutting, concrete scheme is: a displacement assembly 5 is fixedly connected with the inner end face of the workbench 3 in an axially extending manner at the side end between the engagement seats 4021, the displacement assembly 5 comprises a box body, electromagnets uniformly and sequentially arranged along the middle end of the box body, a gas pipe 504 connected between the electromagnets, and an airflow valve 503 fixedly connected along the radial direction of the inner wall of the gas pipe 504, wherein the end electromagnets 502 are fixedly connected with the driving assembly, and the middle electromagnets 501 are electrically connected with the cutting tools 2. The initial position of the electromagnet is positioned at the middle part and two ends of the box body, a preset distance is formed between the electromagnets through the gas pipe fitting 504, a preset distance exists between the electromagnetic fields, thereby effectively preventing the displacement of the driving component from influencing the cutting work of the cutting tool 2 on the metal pipe fitting, meanwhile, the middle part electromagnet 501 is electrically connected with the cutting tool 2, so that the middle part electromagnet and the cutting tool 2 synchronously work, the middle part electromagnet 501 is enhanced by an electrified magnetic coil, thereby effectively adsorbing the end part electromagnet 502, driving the driving component to synchronously move along the gas pipe fitting 504, simultaneously, the flow valve controls the speed of the electromagnet in the moving process, the gas flow valve 503 opens and communicates a gas medium to the gas pipe fitting 504 after the electromagnetic valve is electrified, thereby providing a damping effect when the electromagnets at two ends of the middle part electromagnet 501 are simultaneously electrified, and preventing the metal pipe fitting from directly impacting the cutting tool 2 due to the over-high acceleration, effectively ensuring the cutting effect of the cutting tool 2.

Based on the technical scheme, the invention provides a cutting method of a metal pipe synchronous cutting robot, which is characterized by comprising the following specific working modes: the guide assembly is located at an initial position, the moving block 4011 drives the telescopic rod 4013 to move to a position where the telescopic rod 4025 is far away from the sliding rail 1 at a preset angle, the clamping space is in an open state, the position relative to the clamping space is judged manually according to the actual size of the metal pipe to be processed, the diameter of the metal pipe to be processed is larger than the size range of the first clamping space, the metal pipe is placed outside the transmission device and corresponds to the second clamping space, the diameter of the metal pipe to be processed is suitable for the size range of the first clamping space, the metal pipe is placed and corresponds to the first clamping space, the metal pipe is transmitted into the corresponding clamping space through the transmission device, the metal pipe is placed completely, the moving block 4011 drives the telescopic rod 4013 to move, gas in the telescopic rod 4013 is pulled to move, the first driving assembly and the second driving assembly are driven to move along the sliding rail 1 synchronously, and simultaneously the telescopic rod 4013 moves to pull the first pressing plate 4025 to rotate along the moving direction of the telescopic rod 4013, the second pressing plate 4026 is attached to the metal pipe fitting to form a clamping space; meanwhile, the telescopic rod 4013 displaces to drive an electric connector 4014 at the end part of the telescopic rod to be connected with a power supply, a cutting tool is started, the cutting tool 2 rotates, the moving assembly works to drive the metal pipe fitting to displace along the radial direction of the cutting tool 2, the cutting tool 2 is electrified and simultaneously transmitted to the electromagnet in the middle of the box body to be electrified, the magnetism of the cutting tool is enhanced, the cutting tool intersects with the electromagnet magnetic fields at two ends, the electromagnets at two ends are adsorbed to displace along the gas pipe fitting 504 in opposite directions, meanwhile, the driving assembly is driven to synchronously displace, and the cutting tool 2 cuts the metal pipe fitting up and down simultaneously.

As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited to the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a synchronous cutting robot of metal tubular product which characterized in that includes:

the sliding rail is axially and fixedly connected to the workbench at a preset distance;

the cutting tool is parallel to the sliding rail, the middle rotating shaft is fixedly connected to the middle of the workbench, and the cutting tool rotates around the middle rotating shaft to form an upper cutting area and a lower cutting area;

and

the working units are symmetrically and movably connected along the central axial direction of the sliding rail, linearly move along the radial direction of the cutting tool and are used for conveying the metal pipe and synchronously starting the cutting tool;

the working unit comprises guide assemblies which are symmetrically movably connected in the axial direction of the slide rail and move synchronously, an upper cutting working area and a lower cutting working area are formed, and a driving assembly moves synchronously with the guide assemblies;

the driving assembly comprises a first driving assembly and a second driving assembly which respectively rotate around the supporting seat and are used for controlling a connecting signal of a cutting tool and converting the linear displacement of the working unit into an electric signal, the first driving assembly is positioned in the upper cutting working area, and the second driving assembly is positioned in the lower cutting working area;

the first driving assembly and the second driving assembly respectively comprise a connecting seat fixedly connected to the workbench, rotating rods symmetrically connected to two sides of the connecting seat, a fixed block movably connected to the other end of the connecting seat, a connecting plate vertically and movably connected with the fixed block, a first pressing plate vertically and fixedly connected with the end of the rotating rod and synchronously moving with the rotating rod, and a second pressing plate axially and fixedly connected with the surface of the connecting plate in an extending mode to form a first clamping space;

the dwang with the first buffer block of first clamp plate corner fixedly connected with follows fixed block side end face fixedly connected with and second buffer block, with the inside axial right angle of fixed block extend with first buffer block forms second centre gripping space.

2. The robot for synchronously cutting the metal pipes as claimed in claim 1, wherein a displacement assembly is fixedly connected to the inner end surface of the worktable and extends axially from the side end between the engaging seats, the displacement assembly comprises a housing, electromagnets arranged in a uniform sequence along the middle end of the housing, a gas pipe connected between the electromagnets, and an air flow valve fixedly connected radially to the inner wall of the gas pipe, wherein the end electromagnets are fixedly connected to the driving assembly, and the middle electromagnet is electrically connected to the cutting tools.

3. The cutting method of the metal pipe synchronous cutting robot as claimed in claim 2, characterized by comprising the following steps:

s3, the telescopic rod moves to drive the first driving assembly and the second driving assembly to move synchronously, and the first pressing plate rotates to be in contact with the metal pipe fitting to form a clamping space;

4. The cutting method of the metal pipe synchronous cutting robot as claimed in claim 3, wherein the step of judging the relative position with the clamping space comprises the following steps:

s102, the diameter of the metal pipe fitting to be machined is suitable for the size range of the first clamping space, and the metal pipe fitting is placed corresponding to the first clamping space.