CN217254757U

CN217254757U - Pipe fitting processing device

Info

Publication number: CN217254757U
Application number: CN202221076500.XU
Authority: CN
Inventors: 孙杭巍; 励雅青
Original assignee: Ningbo Bifuli Fluid Technology Co ltd
Current assignee: Ningbo Bifuli Fluid Technology Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-08-23
Anticipated expiration: 2032-05-07

Abstract

The utility model relates to a pipe fitting processing device, which comprises a workbench, a rotary pressing pipe mechanism and a bracket mechanism; the rotary pipe pressing mechanism comprises a rotary pipe pressing shaft, a downward pressing sliding block, a downward pressing device panel, a downward pressing device body, a rotary motor gear switch and a rotary motor; the rotary pressure pipe shaft comprises a ring body protruding out of the surface in the radial direction and is used for pressing the pipe wall of the pipeline, and the rotary pressure pipe shaft is sleeved on the rotating shaft of the rotary motor; the lower presser body is screwed with a through hole of the lower presser panel; the central shaft of the lower press body is connected with the upper end of the lower press sliding block, the lower press sliding block is provided with a middle through hole, a lower press bearing is arranged in the middle through hole, and the lower press bearing is sleeved with a rotating shaft connected with the rotating motor; the two sides of the pressing bearing are connected with the support mechanism in a limiting mode and move on the support mechanism. This application has improved production efficiency through automated production, has alleviateed staff's intensity of labour.

Description

Pipe fitting processing device

Technical Field

The utility model relates to a processingequipment, concretely relates to processingequipment that degree of automation of the pipe machining of a gas pipe fitting is high, the machining precision is good.

Background

With the development of science and technology and the progress of technology, various industrial products in standard factories are changed into various types, and the pneumatic power is not utilized to operate equipment aiming at different factories, so that higher requirements are provided for the delivery of pressure gas, wherein the higher requirements are provided for gas pipe fittings, and the widely distributed factories are important fields for manufacturing industries in China to participate in globalization.

In order to promote the assembly efficiency of pipe fitting product, among the prior art, set up slottedly on the outer wall of pipeline, increase the block area between pipeline and the connecting piece through the groove of seting up, increase joint strength to make pressure gas's conveying efficiency obtain promoting, and the assembly between pipeline and the connecting piece is easy. However, in the prior art, the processing device for forming the groove on the outer wall surface of the pipeline mainly depends on manpower, is low in efficiency and high in labor cost, and is not beneficial to production.

Therefore, the pipe machining device for the pipe fitting with high automation degree and good machining precision is designed in the prior art, and is necessary to meet the production requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a processingequipment that pipeline machining's among the gas pipe fitting degree of automation is high, the machining precision is good combines automation equipment to carry out the production technology input of using manpower sparingly to solve current technical problem.

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

a pipe fitting machining device is used for machining the pipe wall of a pipeline and comprises a workbench, a rotating pressing pipe mechanism and a support mechanism, wherein the support mechanism is arranged on the workbench, and the rotating pressing pipe mechanism is arranged on the support mechanism; the rotary pressure pipe shaft comprises a ring body protruding out of the surface in the radial direction and is used for pressing the pipe wall of the pipeline, and the rotary pressure pipe shaft is sleeved on the rotating shaft of the rotary motor; the lower pressure device panel is fixedly connected with the bracket mechanism; the lower presser body is screwed with a through hole of the lower presser panel; the central shaft of the lower press body is connected with the upper end of the lower press sliding block, the lower press sliding block is provided with a middle through hole, a lower press bearing is arranged in the middle through hole, and the lower press bearing is sleeved with a rotating shaft connected with the rotating motor; the two sides of the downward pressing bearing are in limit connection with the support mechanism, and the downward pressing bearing moves on the support mechanism; the rotary motor gear switch is electrically connected with the rotary motor and used for controlling the rotating speed of the rotary motor.

In the pipe machining device according to the preferred embodiment of the present application, the rotating pressing pipe mechanism further includes two rotating motor pads, two support shafts, and two springs, and the two rotating motor pads are disposed on the rotating motor; the rotary motor cushion block is provided with a groove, one end of the supporting shaft is movably arranged in the groove, and the other end of the supporting shaft is arranged on the workbench; and two ends of the spring are respectively abutted and connected with the rotating motor cushion block and the workbench.

In the device for processing pipe fittings according to the preferred embodiment of the present application, the rotary pressing pipe mechanism further includes a lower press nut screwed to the lower press body for locking the lower press body and the lower press panel.

In the pipe processing device according to the preferred embodiment of the present application, the support mechanism includes a first rotating shaft support, a second rotating shaft support, a groove rotating wheel, a rotating wheel gasket, and two sliding block limiting columns, the first rotating shaft support and the second rotating shaft support are disposed on the workbench, and the groove rotating wheel and the rotating wheel gasket are disposed between the first rotating shaft support and the second rotating shaft support through a pin; the second rotating shaft bracket is provided with a waist-shaped hole; the two sliding block limiting columns are arranged on two sides of the waist-shaped hole in parallel, and two sides of the downward pressing bearing are in limiting connection with the sliding block limiting columns; after assembly, the groove of the groove rotating wheel corresponds to the ring body of the rotating pressure pipe shaft, and the rotating shaft of the rotating motor penetrates through the kidney-shaped hole.

In the pipe processing device according to the preferred embodiment of the present application, the support mechanism further includes a first extrusion wheel, a second extrusion wheel, a first gear locking arm, a second gear locking arm, a first gear sliding block and a second gear sliding block; two sides of the second rotating shaft bracket are respectively provided with a connecting adjusting groove, and the first gear sliding block and the second gear sliding block are respectively arranged in the connecting adjusting grooves; the first gear locking arm is arranged on the first gear sliding block; the second gear locking arm is arranged on the second gear sliding block; the first extrusion wheel is arranged on the first gear sliding block; the second extrusion wheel is arranged on the second gear sliding block; after assembly, the first extrusion wheel and the second extrusion wheel are correspondingly arranged and used for clamping a pipeline.

In the pipe processing device according to the preferred embodiment of the present application, the support mechanism further includes two lower pressing device cushion blocks, and two ends of the lower pressing device cushion blocks are respectively connected to the second rotating shaft support and the lower pressing device panel.

The utility model provides a preferred embodiment pipe fitting processingequipment, the workstation includes workstation body, four workstation feet and four platform foot packing rings, the workstation body is a plate body, four the workstation foot sets up the below of workstation body is used for supporting the workstation body, the setting of platform foot packing ring is in the below of workstation foot is used for supporting the workstation foot.

The design theory of this application is, design out a device of pipeline processing in gas pipe fitting, convex ring body drive by the rotation motor front end setting drives the pipeline and rotates, simultaneously by ring body and recess cooperation, it carries out indent evagination processing to the pipeline to have realized, the bulge loop of indent evagination is formed to the pipe wall at the pipeline, and then the leakproofness when having improved the pipe connection, device simple structure, the process velocity is very fast, and convenient for operation can satisfy not unidimensional production scene, progressive mode reduces the bad incidence of product, automation equipment carries out the production technology and uses manpower sparingly input, improve enterprise market competitiveness.

Owing to adopted above technical scheme, make the utility model discloses following advantage effect has:

firstly, the automatic processing of the pipeline is realized, the process attitude is stabilized, the quality problem possibly caused in the manual processing process of a person is avoided, and the market competitiveness of an enterprise is increased;

secondly, the method is high in efficiency and adjustable in process rhythm, and can finish one-time high-strength pipeline processing within 30 seconds, so that the labor amount of workers is reduced, the labor hour is reduced to a certain extent, and the production efficiency is improved;

thirdly, the structure is simple and reliable, the device can be used for different pipeline sizes, meets the requirements of different production scenes, meets the requirements of proper different pipelines in a certain size range on pipe wall processing, and has certain flexibility and universality;

fourth, this application electrical system can adopt to add the block terminal or directly insert the electrical system of matched with automatic equipment, can accomplish the unified control between the equipment.

Of course, implementing any particular embodiment of the present disclosure does not necessarily have all of the above technical advantages at the same time.

Drawings

FIG. 1 is a perspective view of a pipe machining apparatus according to the present application;

FIG. 2 is a schematic front view of a pipe machining apparatus according to the present application;

FIG. 3 is a schematic rear view of a pipe machining apparatus according to the present application;

FIG. 4 is a schematic view of a first exploded view of the apparatus for processing tubes of the present application;

FIG. 5 is a schematic view of yet another exploded view of the pipe processing apparatus of the present application;

FIG. 6 is another exploded view of the apparatus for processing tubes of the present application;

figure 7 is yet another exploded view of the present application of the pipe processing apparatus.

Detailed Description

For the purpose of understanding, the preferred embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1, 2 and 3, the present application schematically illustrates a pipe processing apparatus for processing a pipe wall of a pipe in a pipe, for example, processing a radially protruding groove ring body from inside to outside near a pipe orifice of the pipe, where the depth of the groove is between 1mm and 4mm according to the thickness of the pipe wall, for example, the diameter of the pipe is 20mm, and the depth of the groove is 1mm when the thickness of the pipe wall is 1mm, but the present application should not be limited as long as the requirements of sealing subsequent pipe connections, such as the sealing connection between the pipe and a connecting member, can be met; the pipe fitting of the present application is a combination of a pipe, a connector, a rubber seal, a screw, a plug, and the like, and is used for conveying compressed gas, and the pipe fitting processing apparatus of the present application is directed to processing of a pipe.

As shown in fig. 1, the pipe machining device includes a workbench, a rotary pressing pipe mechanism and a support mechanism, the support mechanism is disposed on the workbench, the rotary pressing pipe mechanism is disposed on the support mechanism, wherein the workbench includes a workbench body 1, four workbench feet 2 and four foot washers 3, the workbench body 1 is a plate body, the four workbench feet 2 are disposed below the workbench body 1 for supporting the workbench body 1, and the foot washers 3 are disposed below the workbench feet 2 for supporting the workbench feet 2 and having a damping effect.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the rotary pipe-pressing mechanism includes a rotary pipe-pressing shaft 7, a push-down slider 14, a push-down panel 18, a push-down body 19, a rotary motor position switch 21 and a rotary motor 22; the rotating pressure pipe shaft 7 comprises a ring body 71 protruding out of the surface in the radial direction, the ring body 71 is used for pressing the pipe wall of the pipeline to form an inwards concave and outwards convex shape, the ring body 71 is a solid body, the height of the ring body 71 is 1-4mm, the height depends on the wall thickness of the processed pipeline and actual requirements, the rotating pressure pipe shaft 7 is sleeved on a rotating shaft of the rotating motor 22, and during operation, the rotating pressure pipe shaft 7 is inserted into the processed pipeline and pressed on the inner wall of the pipeline to form the inwards concave and outwards convex shape of the groove ring body.

In addition, the hold-down device panel 18 is fixedly connected with the bracket mechanism, the hold-down device panel 18 is used for supporting the hold-down device body 19, and the hold-down device panel 18 can be a separate sheet or a part of the bracket mechanism; the lower presser body 19 is screwed with the through hole of the lower presser panel 18 in the following manner: the outer surface of the lower presser body 19 comprises an external thread section 191, the through hole of the lower presser panel 18 is provided with threads, and the external thread section 191 is screwed with the threads of the through hole of the lower presser panel 18 to adjust the height of the lower presser body 19, so that pipelines with different wall thicknesses can be conveniently machined; the central shaft (not shown) of the lower presser body 19 is connected to the upper end of the lower slide block 14 and is fixedly connected, the fixed connection may be that the central shaft is provided with an external thread, and the upper end of the lower slide block 14 is provided with a threaded hole, both of which are screwed, or the central shaft is welded to the lower slide block 14, or the central shaft is connected to the lower slide block 14 by a bolt; with such a fixed connection, the push-down slider 14 is interlocked with the central axis of the push-down body 19. As shown in fig. 5, the interior of the lower press body 19 includes a hydraulic cylinder 192 and a central shaft, and when the hydraulic cylinder 192 is operated to drive the central shaft to move downward, the lower press slide 14 is driven to move downward, and when the application of force is released, the hydraulic cylinder 192 automatically returns to the central shaft to move upward, and the lower press slide 14 is driven to move upward.

In fig. 4 and 5, the push-down sliding block 14 is provided with a middle through hole, a push-down bearing 141 is disposed in the middle through hole, the push-down bearing 141 is sleeved with a rotating shaft of the rotating motor 22, when the push-down bearing 141 is in operation, the rotating shaft of the rotating motor 22 rotates in the push-down bearing 141 without causing damage to the rotating shaft, in addition, the central shaft moves downward to drive the push-down sliding block 14 to move downward, and the push-down bearing 141 drives the rotating shaft to move downward, that is, to drive the rotating motor 22 to move downward; the two sides of the downward-pressing bearing 141 are connected with the bracket mechanism in a limiting manner, and the downward-pressing bearing 141 moves on the bracket mechanism, as shown in fig. 5, the bracket mechanism comprises a connection limiting groove 152, the downward-pressing bearing 141 is inserted into the connection limiting groove 152, and the two sides of the downward-pressing bearing 141 are slidably connected with the groove wall of the connection limiting groove 152; in addition, the rotary motor shift switch 21 is electrically connected to the rotary motor 22 for controlling the rotation speed of the rotary motor 22, in the embodiment of the present application, the rotation speed of the rotary motor 22 is set to 10-200 rpm, which is mainly determined by the thickness of the tube wall.

Referring to fig. 3 and 6, the rotary pressing pipe mechanism further includes two rotary motor blocks 20, two support shafts (not shown), and two springs 201, the two rotary motor blocks 20 being disposed on the rotary motor 22; the rotary motor cushion block 20 is provided with a groove, one end of the support shaft is movably arranged in the groove, the other end of the support shaft is arranged on the workbench, and the spring 201 is a high-density compression spring, so that the support shaft arranged in the middle of the spring 201 cannot be seen in the figure; two ends of the spring 201 are respectively abutted against and connected with the rotating motor cushion block 20 and the workbench, and in the embodiment of the application, one end of the spring 201 is abutted against the workbench body 1 of the workbench; the supporting shaft and the spring 201 are for assisting the upward movement of the swing motor 22, the swing motor 22 presses the spring 201 when moving downward, the spring 201 is not bent due to the supporting of the supporting shaft, the expanding force of the spring 201 can stably push up the swing motor 22 to move upward when the swing motor 22 moves upward, but the main force of the upward movement of the swing motor 22 comes from the oil pressure recovery of the hydraulic cylinder 192 of the lower presser body 19, and the supporting shaft and the spring 201 are only auxiliary functions.

As shown in fig. 2, the rotary pressing tube mechanism further includes a lower press nut 17, the lower press nut 17 is screwed to the lower press body 19 for locking the lower press body 19 and the lower press panel 18, in the embodiment of the present application, the lower press nut 17 is screwed to the external thread section 191 of the lower press body 19, and the lower press body 19 is stably disposed in the through hole of the lower press panel 18 in cooperation with the thread formed in the through hole of the lower press panel 18.

Referring to fig. 1, 5 and 7, the support mechanism includes a first rotating shaft support 4, a second rotating shaft support 15, a grooved rotating wheel 5, a rotating wheel gasket 6 and two sliding block limiting columns 151, the first rotating shaft support 4 and the second rotating shaft support 15 are disposed on the workbench, in fig. 1, the first rotating shaft support 4 and the second rotating shaft support 15 are disposed on the workbench body 1 of the workbench in parallel, the grooved rotating wheel 5 and the rotating wheel gasket 6 are disposed between the first rotating shaft support 4 and the second rotating shaft support 15 through a pin, and the grooved rotating wheel 5 and the rotating wheel gasket 6 are rotatably disposed on the pin and can rotate with the pipeline during processing; after assembly, the heights of the highest points of the groove rotating wheel 5 and the rotating wheel gasket 6 are consistent, and the highest point of the rotating wheel gasket 6 is higher than that of the first rotating shaft support 4, so that a pipeline can smoothly rotate without being interfered by the first rotating shaft support 4 during machining; the second rotating shaft bracket 15 is provided with a waist-shaped hole 154, the stroke of the waist-shaped hole 154 is 10-20mm, the stroke direction is the same as the moving direction of the down-pressing sliding block 14, in this embodiment, the direction is vertical, after assembly, the rotating shaft of the rotating motor 22 penetrates through the down-pressing bearing 141 and then penetrates through the waist-shaped hole 154; the two sliding block limiting columns 151 are arranged on two sides of the waist-shaped hole 154 in parallel, the connecting limiting groove 152 is formed between the two sliding block limiting columns 151, the two sides of the press-down bearing 141 are in limiting connection with the connecting limiting groove 152 formed by the sliding block limiting columns 151, in the embodiment of the application, the connecting limiting groove 152 is a T-shaped groove, namely, the place where the sliding block limiting columns 151 and the second rotating shaft bracket 15 are connected comprises a notch, the two corresponding notches and the cross section of the connecting limiting groove 152 form a T-shaped groove, so the T-shaped groove is called as a T-shaped groove, correspondingly, the position of the press-down sliding block 14 corresponding to the notch comprises a convex block, the two corresponding sliding block convex blocks and the cross section of the press-down sliding block 14 form a T-shaped groove, and the T-shaped groove connection mode of the connecting limiting groove 152 and the press-down sliding block 14 can make the connection more stable, and supports the rotation motor 22 not to be inclined; after assembly, the groove of the groove rotating wheel 5 corresponds to the ring body 71 of the rotating pressure pipe shaft 7, the width of the groove rotating wheel 5 is greater than the width of the ring body 71 of the rotating pressure pipe shaft 7, the groove rotating wheel is mainly matched with the thickness of a pipe wall, and the rotating shaft of the rotating motor 22 penetrates through the kidney-shaped hole 154 and moves within the stroke range of the kidney-shaped hole 154.

In addition, as shown in fig. 1, 3, 4, 5 and 7, the support mechanism further includes a first pressing wheel 8, a second pressing wheel 11, a first gear locking arm 9, a second gear locking arm 12, a first gear sliding block 10 and a second gear sliding block 13; in fig. 5, two sides of the second rotating shaft bracket 15 are respectively provided with a connection adjusting groove 153, and the first gear slide block 10 and the second gear slide block 13 are respectively arranged in the connection adjusting grooves 153 and can adjust positions; the first gear locking arm 9 is arranged on the first gear sliding block 10 and used for locking and fixing the first gear sliding block 10 when the first gear sliding block 10 is adjusted to the right position; the second gear locking arm 12 is arranged on the second gear sliding block 13, and is used for locking and fixing the second gear sliding block 13 when the second gear sliding block 13 is adjusted in place; the first squeezing wheel 8 is arranged on the first gear sliding block 10, in this embodiment of the present application, the first squeezing wheel 8 is fixed on the first gear sliding block 10 by using a center pin, and the first squeezing wheel 8 can roll on the center pin; the second squeezing wheel 11 is arranged on the second gear sliding block 13, in this embodiment of the present application, the second squeezing wheel 11 is fixed on the second gear sliding block 13 by using a central pin, and the second squeezing wheel 11 can roll on the central pin; the first extrusion wheel 8 and the second extrusion wheel 11 are used for abutting against the outer wall of the pipeline during machining, so that the pipeline is limited in the first extrusion wheel 8 and the second extrusion wheel 11, and the pipeline cannot shake during machining, and therefore the positions of the first gear sliding block 10 and the second gear sliding block 13 are adjusted to enable the first extrusion wheel 8 and the second extrusion wheel 11 to abut against the outer wall of the pipeline during machining; after assembly, the first extrusion wheel 8 and the second extrusion wheel 11 are correspondingly arranged and combined with the runner gasket 6 to clamp a pipeline, the runner gasket 6 bears the pipeline below, the first extrusion wheel 8 and the second extrusion wheel 11 clamp the pipeline on two sides, and the pipeline is stable among the first extrusion wheel 8, the second extrusion wheel 11 and the pipeline and cannot deviate.

Referring to fig. 3, the bracket mechanism further includes two lower press pad blocks 16, two ends of each lower press pad block 16 are respectively connected to the second rotating shaft bracket 15 and the lower press panel 18, the lower press pad blocks 16 are used for fixing the lower press panel 18 and setting the height of the lower press body 19, and the lower press pad blocks 16 may be protrusions of the second rotating shaft bracket 15 or may be separate objects connected to the second rotating shaft bracket 15.

As shown in fig. 1, in the embodiment of the present application, a handle is connected to an upper end of the press-down device body 19, and during operation, the handle may be manually pressed down to perform a pipe processing.

In addition, in order to ensure the stability of the pipeline placement, a pipeline balancing stand corresponding to the support mechanism is arranged in front of the pipe fitting processing device and used for supporting the processed pipeline and ensuring the stability of the pipeline when the processing technology is carried out.

The pipe fitting machining device comprises the following process steps:

1. selecting different rotating pressure pipe shafts according to different processing pipelines to be assembled on a rotating shaft of the rotating motor;

2. adjusting the positions of the first gear sliding block and the second gear sliding block according to different machined pipelines, so that the first extrusion wheel and the second extrusion wheel can clamp the pipelines;

3. placing the pipe to be processed into the pipe to be processed, wherein the rotary pressure pipe shaft is positioned in the pipe;

4. starting the rotating motor, then starting the lower press body (a manual or automatic device), wherein a central shaft of the lower press body drives the lower press sliding block to move downwards, so that a ring body of the rotating press pipe shaft downwards presses the inner wall of the pipeline to gradually form a groove;

5. the inner wall of the pipeline forms a complete annular groove which meets the requirement, the rotating motor is closed, the lower press body releases force, the central shaft of the lower press body drives the lower press sliding block to move upwards,

completing the one-time processing technology.

It should be noted that in the description of the embodiments of the present application, the terms "front, back", "left, right", "upper, lower", and the like indicate orientations or positional relationships based on those shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present application. The terms "mounted," "connected," and "coupled" are to be construed broadly and may include, for example, fixed connections, removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The above disclosure is only for the preferred embodiment of the present invention, but not intended to limit itself, and those skilled in the art can make variations and changes equally without departing from the spirit of the present invention, and all such variations and changes are deemed to fall within the scope of the present invention.

Claims

1. A pipe fitting processing device is used for processing the pipe wall of a pipeline and is characterized by comprising a workbench, a rotary pipe pressing mechanism and a bracket mechanism, wherein the bracket mechanism is arranged on the workbench, the rotary pipe pressing mechanism is arranged on the bracket mechanism,

the rotary pipe pressing mechanism comprises a rotary pipe pressing shaft, a downward pressing sliding block, a downward pressing device panel, a downward pressing device body, a rotary motor gear switch and a rotary motor; the rotary pressure pipe shaft comprises a ring body protruding out of the surface in the radial direction and is used for pressing the pipe wall of the pipeline, and the rotary pressure pipe shaft is sleeved on the rotating shaft of the rotary motor; the lower pressure device panel is fixedly connected with the bracket mechanism; the lower presser body is screwed with a through hole of the lower presser panel; the central shaft of the lower press body is connected with the upper end of the lower press sliding block, the lower press sliding block is provided with a middle through hole, a lower press bearing is arranged in the middle through hole, and the lower press bearing is sleeved with a rotating shaft connected with the rotating motor; the two sides of the downward pressing bearing are in limit connection with the support mechanism, and the downward pressing bearing moves on the support mechanism; the rotary motor gear switch is electrically connected with the rotary motor and used for controlling the rotating speed of the rotary motor.

2. The pipe machining apparatus of claim 1, wherein the rotary union mechanism further includes two rotary motor pads, two support shafts, and two springs, the two rotary motor pads being provided on the rotary motor; the rotary motor cushion block is provided with a groove, one end of the supporting shaft is movably arranged in the groove, and the other end of the supporting shaft is arranged on the workbench; and two ends of the spring are respectively abutted and connected with the rotating motor cushion block and the workbench.

3. The pipe machining apparatus of claim 2 wherein the rotary press tube mechanism further comprises a hold-down nut threadedly engaged with the hold-down body for locking the hold-down body and the hold-down face plate.

4. The pipe machining device of claim 3, wherein the bracket mechanism comprises a first rotating shaft bracket, a second rotating shaft bracket, a groove rotating wheel, a rotating wheel gasket and two sliding block limiting columns, the first rotating shaft bracket and the second rotating shaft bracket are arranged on the workbench, and the groove rotating wheel and the rotating wheel gasket are arranged between the first rotating shaft bracket and the second rotating shaft bracket through a pin shaft; the second rotating shaft bracket is provided with a waist-shaped hole; the two sliding block limiting columns are arranged on two sides of the waist-shaped hole in parallel, and the two sides of the downward pressing bearing are in limiting connection with the sliding block limiting columns; after assembly, the groove of the groove rotating wheel corresponds to the ring body of the rotating pressure pipe shaft, and the rotating shaft of the rotating motor penetrates through the kidney-shaped hole.

5. The pipe machining apparatus of claim 4 wherein the carriage mechanism further comprises a first squeeze wheel, a second squeeze wheel, a first gear locking arm, a second gear locking arm, a first gear slide block, and a second gear slide block; two sides of the second rotating shaft bracket are respectively provided with a connecting adjusting groove, and the first gear sliding block and the second gear sliding block are respectively arranged in the connecting adjusting grooves; the first gear locking arm is arranged on the first gear sliding block; the second gear locking arm is arranged on the second gear sliding block; the first extrusion wheel is arranged on the first gear sliding block; the second extrusion wheel is arranged on the second gear sliding block; after assembly, the first extrusion wheel and the second extrusion wheel are correspondingly arranged and used for clamping a pipeline.

6. The pipe machining apparatus of claim 5 wherein the carriage mechanism further includes two hold down pad blocks, each end of the hold down pad blocks being connected to the second pivot carriage and the hold down panel, respectively.

7. The pipe machining device of claim 6, wherein the table includes a table body, four table feet and four foot washers, the table body is a plate, the four table feet are disposed below the table body for supporting the table body, and the foot washers are disposed below the table feet for supporting the table feet.