CN215544359U - Chipless cutting pipe end machine - Google Patents

Abstract

The utility model discloses a chipless material pipe end cutting machine which comprises a workbench, a first pipe end machining mechanism and a conveying and cutting mechanism, wherein the workbench is provided with a first pipe end machining mechanism; the first pipe end machining mechanism is arranged on the workbench and used for machining a pipe end at one end of the pipe fitting to be machined; the conveying and cutting mechanism comprises a cutting device, a clamping device and a conveying device, the cutting device and the clamping device are movably arranged on the workbench through the conveying device, the clamping device is used for clamping a pipe fitting to be machined, the clamping device conveys a pipe head of the pipe fitting to be machined to a machining station of the first pipe end machining mechanism under the driving of the conveying device, and the cutting device performs scoring machining on the periphery of a pipe body of the pipe fitting to be machined; by the structure, the pipe to be processed can simultaneously complete cutting processing and pipe end processing, so that the processing procedure is simplified, the production time is shortened, the cost is reduced, and the production efficiency is improved; in addition, the overall structure of the pipe end cutting machine is effectively simplified, so that the pipe end cutting machine is more compact integrally, and the space occupancy rate is reduced.

Description

Chipless cutting pipe end machine

Technical Field

The utility model relates to the technical field of heat pipe manufacturing, in particular to a chipless pipe end cutting machine.

Background

The pipe end cutting machine is a machine for processing the pipe end of a fixed-length cutting belt, and can enlarge or reduce the opening of a pipe fitting on the premise of ensuring the quality of the pipe fitting, so that the processing requirement is met. At present, a pipe end cutting machine on the market comprises a rack, a circle correcting and straightening device, a cutting device, a pipe end processing device and a conveying device, wherein the circle correcting and straightening device, the cutting device and the pipe end processing device are fixedly arranged on the rack, two groups of conveying devices are arranged and are movably arranged on the rack, one group of conveying devices are arranged between the circle correcting and straightening device and the cutting device, the other group of conveying devices are arranged between the cutting device and the pipe end processing device, a pipe is conveyed to the cutting device through the conveying device after being subjected to circle correcting and straightening through the circle correcting and straightening device, the cutting device is conveyed to the pipe end processing device through the conveying device after being used for producing a cut pipe fitting with a specified length to carry out pipe end processing on the pipe fitting, and therefore, the existing pipe end cutting machine firstly carries out cutting processing on the pipe fitting and then carries out pipe end processing, so that the processing procedures are complex and complicated, the production time is long, the labor cost is increased, the manufacturing cost is also increased, and the production efficiency of the pipe fitting is greatly reduced; in addition, the whole structure of the existing material opening pipe end machine is complex, the size is large, and the occupied space occupancy rate is high.

Disclosure of Invention

The utility model aims to provide a chipless pipe end opening machine which is high in production efficiency, compact in size and low in space occupancy rate.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model aims to provide a chipless material opening pipe end machine, which comprises:

a work table;

the first pipe end machining mechanism is arranged on the workbench and used for machining a pipe end at one end of the pipe fitting to be machined;

carry cutting mechanism, including cutting device, clamping device and conveyor, cutting device with clamping device passes through the movably installation of conveyor on the workstation, clamping device is used for pressing from both sides tightly to treat the processing pipe fitting under conveyor's drive, clamping device will treat that the tube head of processing pipe fitting carries to the processing station of first pipe end processing mechanism, cutting device carries out the nick processing to the body of pipe periphery of treating the processing pipe fitting.

Preferably, a fixing device for fixing the pipe fitting to be processed is further mounted on the workbench, and the fixing device is located between the conveying and cutting mechanism and the first pipe end processing mechanism.

Preferably, the first pipe end processing mechanism is connected with the workbench through a moving mechanism, a breaking device is further mounted on the moving mechanism, the moving mechanism is used for driving the first pipe end processing mechanism and the breaking device to move along an X axis and a Y axis of the workbench, and the breaking device is used for breaking a pipe fitting which is subjected to pipe end processing and scoring processing.

Preferably, a second pipe end machining mechanism is further mounted on the workbench, the second pipe end machining mechanism is located on one side of the conveying and cutting mechanism, after the pipe fitting which is subjected to pipe end machining and nicking machining is broken by the breaking device, the pipe head of the broken end of the pipe fitting is conveyed to a machining station of the second pipe end machining mechanism under the driving of the moving mechanism, and the pipe head of the broken end of the pipe fitting is subjected to pipe end machining by the second pipe end machining mechanism.

Preferably, a rounding and straightening mechanism for rounding and straightening the pipe fitting to be machined is further installed on the workbench, the conveying and cutting mechanism is located between the rounding and straightening mechanism and the first pipe end machining mechanism, and the conveying and cutting mechanism is used for conveying the rounded and straightened pipe fitting from the rounding and straightening mechanism to the first pipe end machining mechanism.

The utility model has the beneficial effects that:

by the structure, the pipe fitting to be processed can simultaneously complete nicking processing and pipe end processing, so that the processing procedure is simplified, the production time is shortened, the labor cost and the manufacturing cost are reduced, and the production efficiency of the pipe fitting is greatly improved; in addition, the integral structure of the pipe end cutting machine is effectively simplified, so that the pipe end cutting machine is more compact integrally, and the space occupancy rate is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a pipe end opening machine provided by the present invention;

FIG. 2 is another schematic structural diagram of the pipe end cutting machine provided by the present invention;

FIG. 3 is a schematic structural diagram of a conveying and cutting mechanism provided by the present invention;

FIG. 4 is another schematic structural diagram of the conveying and cutting mechanism provided in the present invention;

FIG. 5 is a schematic perspective view of a cutting device according to the present invention;

FIG. 6 is a schematic structural view of a first pipe end machining mechanism, a moving mechanism and a snapping device according to the present invention;

fig. 7 is a schematic perspective view of a snapping apparatus according to the present invention;

fig. 8 is a schematic perspective view of a second pipe end machining mechanism according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

as shown in fig. 1 to 4, the present embodiment provides a chipless pipe end cutting machine, which includes a workbench 1, a first pipe end processing mechanism 3 and a conveying and cutting mechanism 4; the first pipe end machining mechanism 3 is arranged on the workbench 1 and is used for machining a pipe end at one end of a pipe fitting to be machined; the conveying and cutting mechanism 4 comprises a cutting device 42, a clamping device 43 and a conveying device, the cutting device 42 and the clamping device 43 are movably arranged on the workbench 1 through the conveying device, the clamping device 43 is used for clamping the pipe fitting to be processed, driven by the conveying device, the clamping device 43 conveys the tube head of the tube to be processed to the processing station of the first tube end processing mechanism 3, the cutting device 42 performs scoring on the outer circumference of the pipe body of the pipe to be processed, specifically, the scoring refers to processing a closed-loop type scoring line on the outer circumference of the pipe body of the pipe to be processed, in this embodiment, the wall thickness of the closed-loop type score line is between 0.05mm and 0.15mm, and preferably, the wall thickness of the closed-loop type score line is 0.1mm, so that the wall thickness of the pipe at a certain position is reduced, so that the pipe to be processed can be broken along the score line in the breaking process.

Through the structure, the cutting device 42 and the clamping device 43 are jointly installed on the conveying device, so that the cutting device 42 can move along with the clamping device 43, the clamping device 43 clamps the pipe to be machined, the pipe to be machined is conveyed to the machining station of the first pipe end machining mechanism 3 under the driving of the conveying device, and when the first pipe end machining mechanism 3 performs pipe end machining, the cutting device 42 performs cutting machining simultaneously, so that the pipe to be machined can complete cutting machining and pipe end machining simultaneously, the machining process is simplified, the production time is shortened, the labor cost and the manufacturing cost are reduced, and the production efficiency of the pipe is greatly improved; in addition, the integral structure of the pipe end cutting machine is effectively simplified, so that the pipe end cutting machine is more compact integrally, and the space occupancy rate is reduced.

Specifically, the conveying device includes a first bottom plate 41, a first guiding assembly 44, a first ball screw 45 and a feeding driving motor 46, the scoring cutting device 42 and the clamping device 43 are mounted on the first bottom plate 41, the first bottom plate 41 is mounted on the workbench 1 through the first guiding assembly 44, the first ball screw 45 is mounted at the bottom of the first bottom plate 41, the feeding driving motor 46 is mounted on the workbench 1 and connected to the first ball screw 45, the feeding driving motor 46 drives the first ball screw 45 to drive the first bottom plate 41 to reciprocate between the roundness correction and alignment mechanism 2 and the first tube end machining mechanism 3, and in this embodiment, the first guiding assembly 44 is a sliding block assembly.

Specifically, as shown in fig. 3 to 5, the cutting device 42 includes a base 421 fixed on the first base plate 41, a shaft hole for inserting a pipe to be processed is provided on the base 421, a mandrel 422 is rotatably installed on the base 421, a synchronous pulley 423 is provided on the mandrel 422, and the synchronous pulley 423 is driven by a motor 424 fixed on the workbench 1; the front end of the mandrel 422 is also provided with a cutter head disc 425 which synchronously rotates along with the mandrel 422, the cutter head disc 425 is provided with a round hole for inserting a pipe fitting, a cutter head 426 capable of cutting off the pipe fitting is arranged beside the round hole, the root of the cutter head 426 is fixed with a sliding block, the cutter head disc 425 is internally provided with a sliding chute capable of sliding the sliding block, one end of the sliding block extending out of the cutter head disc 425 is provided with a propelling inclined plane, the mandrel 422 is also sleeved with a cutter feeding sleeve 427, and the front end of the cutter feeding sleeve 427 is sleeved on the sliding block propelling inclined plane; the base 421 is further provided with a propelling knife 428 and a propelling cylinder 429 for driving the propelling knife 428 to propel, one end of the propelling knife 428 is abutted against the rear end of the knife feeding sleeve 427 for driving the knife feeding sleeve 427 to move along the axial direction of the mandrel 422; the clamping device 43 comprises a clamping base 431 fixed on the first base plate 41, a lower clamping die 432 is arranged on the clamping base 431, a first air cylinder 433 is further arranged on the clamping base 431, an upper pressing plate 434 is arranged at the lower end of a piston rod of the first air cylinder 433, and an upper clamping die 435 which is matched with the lower clamping die 432 to clamp the pipe to be processed is arranged at the lower end of the upper pressing plate 434.

A fixing device 5 for fixing a pipe fitting to be machined is further installed on the workbench 1, the fixing device 5 is located between the conveying and cutting mechanism 4 and the first pipe end machining mechanism 3, and when pipe end machining is carried out, the fixing device 5 clamps a pipe fitting to be machined so as to avoid the pipe fitting from moving; in particular, the fixing means 5 are of the same construction as the clamping means 43, and will not be described again.

As shown in fig. 6, the first pipe end processing means 3 is connected to the table 1 by a moving means 6, a breaking device 7 is further mounted on the moving mechanism 6, the moving mechanism 6 is used for driving the first pipe end machining mechanism 3 and the breaking device 7 to move along the X axis and the Y axis of the workbench 1, the stretch-breaking device 7 is used for stretch-breaking the pipe fitting which has finished the pipe end processing and the scoring processing, specifically, the moving mechanism 6 drives the snapping device 7 to move to the processing station of the first pipe end processing mechanism 3 along the Y-axis direction of the workbench 1, the pipe fitting which has finished the pipe end processing and the scoring processing is clamped by the first clamping block 74 and the second clamping block 75 of the stretch breaking device 7, then the moving mechanism 6 drives the breaking device 7 to move along the X-axis direction of the workbench 1, so that the breaking device 7 breaks the pipe fittings which are subjected to pipe end processing and scoring processing; through the scheme, the first pipe end machining mechanism 3 and the stretch-breaking device 7 are relatively static, after pipe end machining is completed, the first pipe end machining mechanism 3 is moved away under the driving of the moving mechanism 6, and meanwhile, the stretch-breaking device 7 is sent to a machining station of the first pipe end machining mechanism 3, so that the stretch-breaking device 7 can stretch-break the pipe fittings which are subjected to pipe end machining and nicking machining, the pipe end cutting machine is complete in function and compact in structure; the pipe fitting which has finished the pipe end processing and the nicking processing can be conveyed to a clamping die formed by a first clamping block 74 and a second clamping block 75 of the stretch breaking device 7 through the conveying and cutting mechanism 4, or after the stretch breaking device 7 is moved to a processing station of the first pipe end processing mechanism 3 by the moving mechanism 6, the moving mechanism 6 drives the stretch breaking device 7 to draw the pipe fitting which has finished the pipe end processing and the nicking processing along the X-axis direction of the workbench 1, so that the pipe fitting which has finished the pipe end processing and the nicking processing is partially trapped in the clamping die formed by the first clamping block 74 and the second clamping block 75 of the stretch breaking device 7, and then the pipe fitting is clamped.

Specifically, the first pipe end machining mechanism 3 includes a first motor 31 and a first chamfering punch 32, the first chamfering punch 32 is connected to a power output shaft of the first motor 31, and the first motor 31 drives the first chamfering punch 32 to perform pipe end machining on one end of a pipe to be machined.

As shown in fig. 6, the moving mechanism 6 includes a second bottom plate 61 and a third bottom plate 62, the first pipe end processing mechanism 3 and the breaking device 7 are mounted on the third bottom plate 62, and the breaking device 7 is located on one side of the first pipe end processing mechanism 3; the second bottom plate 61 is mounted on the workbench 1 through an X-axis guide assembly 63, an X-axis ball screw 64 is arranged at the bottom of the second bottom plate 61, the X-axis ball screw 64 is connected with an X-axis driving motor 65, the X-axis driving motor 65 is mounted on the workbench 1, and the X-axis driving motor 65 drives the X-axis ball screw 64 to drive the second bottom plate 61 to move along the X axis of the workbench 1; third bottom plate 62 passes through Y axle guide assembly 66 to be installed on the second bottom plate 61 the bottom of third bottom plate 62 is provided with Y axle ball screw 67, Y axle ball screw 67 links to each other with Y axle driving motor 68, Y axle driving motor 68 is installed on the second bottom plate 61, Y axle driving motor 68 drive Y axle ball screw 67 drives third bottom plate 62 is followed the Y axle of workstation 1 removes, in this embodiment, X axle guide assembly 63 and Y axle guide assembly 66 are slide rail slider assembly, simple structure, and control is convenient.

As shown in fig. 7, the snapping device 7 includes a fourth bottom plate 71, two side plates 72, a sliding die holder 73, a first clamping block 74, a second clamping block 75 and a second cylinder 76, the fourth bottom plate 71 is mounted on the third bottom plate 62, the two side plates 72 are respectively mounted at two sides of the fourth bottom plate 71 at intervals, the sliding die holder 73 is movably disposed between the two side plates 72, a fixing plate 77 is disposed on the top of the two side plates 72, the second cylinder 76 is mounted on the fixing plate 77, the first clamping block 74 is fixed at one end of the sliding die holder 73, the second clamping block 75 is mounted on the fourth bottom plate 71 through a fixing seat 78, an arc-shaped guiding hole 731 is disposed on the sliding die holder 73, a kidney-shaped guiding hole 721 is respectively disposed on the two side plates 72 corresponding to the arc-shaped guiding hole 731, a piston rod of the second cylinder 76 extends into the arc-shaped guiding hole 731, a driving rod 79 is installed at the bottom of the piston rod of the second cylinder 76, two ends of the driving rod 79 are respectively provided with a roller 70, the roller 70 is matched with the kidney-shaped guide hole 721, a follower wheel 710 is arranged on the driving rod 79 and on the inner side of the roller 70, and the follower wheel 710 is matched with the arc-shaped guide hole 731.

As shown in fig. 1, a second pipe end processing mechanism 8 is further installed on the workbench 1, the second pipe end processing mechanism 8 is located on one side of the conveying and cutting mechanism 4, after the pipe fitting which has completed pipe end processing and nick processing is broken by the breaking device 7, the pipe head of the pipe fitting broken end is conveyed to a processing station of the second pipe end processing mechanism 8 under the driving of the moving mechanism 6, and the second pipe end processing mechanism 8 performs pipe end processing on the pipe head of the pipe fitting broken end, so that the pipe end cutting machine is more complete in function, pipe end processing at two ends of the pipe fitting to be processed can be completed, the processing route is simple, and the production efficiency is effectively improved.

Specifically, as shown in fig. 8, the second pipe end machining mechanism 8 includes a mounting seat 81, a second motor 82, a multi-axis device 83, a flare punch 84, and a second chamfer punch 85, the mounting seat 81 is mounted on the table 1, the second motor 82 and the multi-axis device 83 are mounted on the mounting seat 81, the second motor 82 and the multi-axis device 83 are connected, the multi-axis device 83 is a multi-axis device 83 with dual-axis power output, the flare punch 84 and the second chamfer punch 85 are respectively mounted on two power output shafts of the multi-axis device 83, and the second motor 82 drives the flare punch 84 and the second chamfer punch 85 through the multi-axis device 83 to machine the pipe end of the other end of the pipe broken by the breaking device 7.

A rounding and straightening mechanism 2 for rounding and straightening the pipe fitting to be machined is further mounted on the workbench 1, the conveying and cutting mechanism 4 is located between the rounding and straightening mechanism 2 and the first pipe end machining mechanism 3, and the conveying and cutting mechanism 4 is used for conveying the rounded and straightened pipe fitting from the rounding and straightening mechanism 2 to the first pipe end machining mechanism 3; specifically, the rounding and straightening mechanism 2 comprises a rounding device 21 and a straightening device 22, the rounding device 21 comprises a feeding pipe 211 fixed on the workbench 1, and a rounding roller 212 capable of rounding the pipe fitting is arranged at the outlet end of the feeding pipe 211; the straightening device 22 comprises a straightening vertical plate 221 perpendicular to the workbench 1 and a straightening transverse plate 222 parallel to the workbench 1, and a plurality of straightening rollers 223 are arranged on the straightening vertical plate 221 and the straightening transverse plate 222 at intervals in a staggered manner.

Example two:

the embodiment provides a pipe fitting machining method, and provides a chipless pipe end cutting machine in the first embodiment, which comprises the following steps:

driving the clamping device 43 to clamp the pipe to be processed, and driving the clamping device 43 to convey the pipe head of the pipe to be processed to the processing station of the first pipe end processing mechanism 3;

driving the fixing device 5 to clamp the pipe fitting to be processed;

driving the clamping device 43 to loosen the pipe to be processed, and driving the cutting device 42 and the clamping device 43 to retreat to the preset position;

driving the clamping device 43 to clamp the pipe fitting to be processed again;

driving the first pipe end processing mechanism 3 to perform pipe end processing on the pipe head of the pipe to be processed, and driving the cutting device 42 to perform scoring processing on the periphery of the pipe body of the pipe to be processed;

driving the fixing device 5 to loosen the pipe fitting with one end pipe end machined;

driving the breaking device 7 to clamp and break the pipe fitting which is processed by the pipe end of one end head;

driving the moving mechanism 6 to convey the tube head at the broken end of the tube to a processing station of a second tube end processing mechanism 8;

and driving a second pipe end machining mechanism 8 to perform pipe end machining on the pipe head at the broken end of the pipe fitting.

In this embodiment, the pipe to be processed is obtained by performing the rounding and straightening process by the rounding and straightening mechanism 2, and the pipe to be processed is continuous, the movement of the clamping device 43 is realized by the driving of the conveying device, and the movement of the snapping device 7 is realized by the driving of the moving mechanism 6; when the pipe fitting with the first section of two-end pipe end machining is produced, according to the preset length of the pipe fitting production, firstly, scoring machining is carried out on the corresponding position on the pipe fitting to be machined, and then, machining is carried out according to the steps so as to ensure the circulation of the pipe fitting production flow; in the above steps, the first pipe end processing mechanism 3 is driven to perform pipe end processing on the pipe head of the pipe to be processed, and meanwhile, the driving cutting device 42 in the process of driving the cutting device 42 to perform scoring on the periphery of the pipe body of the pipe to be processed refers to scoring processing performed in the next stretch-breaking process for the pipe.

According to the steps, the pipe end processing of the two ends of the pipe fitting can be completed, the pipe end processing comprises chamfering processing and reaming processing of the pipe fitting port, when the pipe end processing of the two ends of the pipe fitting is completed, under the drive of the moving mechanism 6, the first pipe end processing mechanism 3 is moved away from the processing station of the first pipe end processing mechanism 3, the snapping device 7 is moved to the processing station of the first pipe end processing mechanism 3, the clamping device 43 is driven by the conveying device to continue conveying the rest of the pipe to be processed until the rest of the pipe to be processed pushes out the pipe which is processed at the two ends of the snapping device 7, and after material discharge is realized, the first pipe end processing mechanism 3 and the snapping device 7 are reset under the driving of the moving mechanism 6, the processing method is continuously repeated, thereby realizing the continuous production of the pipe fitting, the production steps are simple and reasonable, and the production efficiency can be effectively improved.

The preset position is set according to the length of the pipe to be cut, and the preset position is within the effective stroke of the first ball screw 45.

Specific examples are: assuming that the length of the pipe to be cut is 500cm, after the gripping device 43 conveys the pipe head of the pipe to be processed to the processing station of the first pipe end processing mechanism 3, the gripping device 43 and the cutting device 42 are driven by the conveying device to retract by 500cm, that is, the gripping device 43 and the cutting device 42 are moved by 500cm in the direction opposite to the direction of the first pipe end processing mechanism 3.

It should be noted that all the directional indicators (such as "front" and "rear") in the embodiments of the present invention are only used to explain the relative position relationship, movement, and the like between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, descriptions in the utility model such as "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.

Claims (5)

1. The utility model provides a chipless material pipe end opening machine which characterized in that includes:

a table (1);

the first pipe end machining mechanism (3) is arranged on the workbench (1) and is used for machining the pipe end at one end of the pipe fitting to be machined;

carry cutting mechanism (4), including cutting device (42), clamping device (43) and conveyor, cutting device (42) with clamping device (43) are movably installed through conveyor on workstation (1), clamping device (43) are used for pressing from both sides the pipe fitting of treating to process under conveyor's the drive, clamping device (43) will be treated the tube head of processing the pipe fitting and carry the processing station to first pipe end processing mechanism (3), cutting device (42) are treated the body of pipe periphery of processing the pipe fitting and are carried out the nick processing.

2. The chipless pipe end opening machine according to claim 1, characterized in that: the workbench (1) is further provided with a fixing device (5) for fixing a pipe fitting to be machined, and the fixing device (5) is located between the conveying and cutting mechanism (4) and the first pipe end machining mechanism (3).

3. A chipless pipe end opener according to claim 1 or 2, characterized in that: first pipe end processing agency (3) through moving mechanism (6) with workstation (1) is connected still install on moving mechanism (6) and break device (7), moving mechanism (6) are used for the drive first pipe end processing agency (3) with break device (7) are followed the X axle and the Y axle of workstation (1) remove, break device (7) are used for breaking the pipe fitting that has accomplished pipe end processing and nick processing.

4. The chipless pipe end opening machine according to claim 3, characterized in that: still install second pipe end processing agency (8) on workstation (1), second pipe end processing agency (8) are located carry one side of cutting mechanism (4), break the back with the pipe fitting that has accomplished pipe end processing and nick processing in breaking device (7) under the drive of moving mechanism (6), carry the tube head of this pipe fitting broken end to the processing station of second pipe end processing agency (8), second pipe end processing agency (8) carry out the pipe end processing to the tube head of this pipe fitting broken end.

5. The chipless pipe end opening machine according to claim 1, characterized in that: still install on workstation (1) and be used for the school circle alignment mechanism (2) of treating the processing pipe fitting of school circle alignment, carry cutting mechanism (4) to be located school circle alignment mechanism (2) with between first pipe end processing mechanism (3), carry cutting mechanism (4) to be used for the pipe fitting after the school circle alignment from school circle alignment mechanism (2) carry first pipe end processing mechanism (3).

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