CN211680909U

CN211680909U - Automatic production line for pipes

Info

Publication number: CN211680909U
Application number: CN202020097603.9U
Authority: CN
Inventors: 成松斌
Original assignee: Zhongyuantai Industrial Automation Technology Co ltd
Current assignee: Zhongyuantai Industrial Automation Technology Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-10-16
Anticipated expiration: 2030-01-16

Abstract

The utility model relates to the technical field of pipeline processing, in particular to an automatic production line for pipes, which comprises a control device, a pipe feeding mechanism and a pipe cutting mechanism, wherein the pipe cutting mechanism is connected with the pipe feeding mechanism, and also comprises a pipe coding mechanism, a first threading mechanism, a second threading mechanism and an assembly part mechanism, the pipe coding mechanism is arranged close to the pipe cutting machine, a first left and right wire changing mechanism is arranged between the pipe cutting mechanism and the first threading mechanism, a middle wire changing mechanism is arranged between the first threading mechanism and the second threading mechanism, and a second left and right wire changing mechanism is arranged between the second threading mechanism and the assembly part mechanism, the utility model has simple structure and reasonable design, realizes the automatic material transmission between each processing procedure, does not need manual operation, realizes the automatic coding, threading and assembly part processing of the pipes, and can greatly improve the production efficiency of the pipes, and the requirement of automatic production is met.

Description

Automatic production line for pipes

Technical Field

The utility model relates to a pipeline processing technology field especially relates to a tubular product automation line.

Background

The pipe fitting is the main part that plays the intercommunication effect among the pipe-line system, and the pipe fitting is in the production course of working, usually purchases rectangular shape pipe fitting raw materials, according to the user demand, decides the pipe fitting, beats sign indicating number, cover tooth and processing such as assembly part.

Because tubular product processing involves a plurality of processes, in prior art, in order to improve production efficiency, also accomplish automatic pay-off and tubular product cutting off process through adopting tubular product feeder and tubular product stock cutter, but subsequent sign indicating number, cover tooth and assembly part processing still need artifically to carry tubular product to cover tooth and assembly part equipment, cover tooth and assembly part are accomplished step by step, paste the identification code that is used for sign tubular product model and accessory size through the manual work after that, its takes a lot of work and labouriously again inefficiency, be difficult to satisfy the automated production demand.

In view of the above technical problems, there is a need for a new automatic production line for tubes, so as to better solve the above technical problems.

Disclosure of Invention

In order to solve the problem, the utility model provides a tubular product automation line can realize automated processing, and production efficiency is high.

The utility model adopts the technical proposal that:

the utility model provides a tubular product automation line, which comprises a control device, tubular product feeding mechanism and tubular product shutdown mechanism, tubular product shutdown mechanism is connected with tubular product feeding mechanism, still include tubular product coding mechanism, first set of tooth mechanism, second set of tooth mechanism and assembly part mechanism, tubular product feeding mechanism, tubular product shutdown mechanism, tubular product coding mechanism, first set of tooth mechanism, second set of tooth mechanism and assembly part mechanism are connected with controlling means respectively, tubular product coding mechanism is close to the setting of tubular product cutter, be equipped with first left and right sides mechanism of trading between tubular product shutdown mechanism and the first set of tooth mechanism, it trades line mechanism to be equipped with the centre between first set of tooth mechanism and the second set of tooth mechanism, it trades line mechanism about the second to be equipped with between second set of tooth mechanism and the assembly part mechanism.

The further improvement of the technical scheme is that the yarn changing device further comprises an assembly auxiliary line, and the assembly auxiliary line is arranged in parallel with the first left and right yarn changing mechanisms.

The technical scheme is further improved in that the first left-right wire replacing mechanism and the second left-right wire replacing mechanism are respectively provided with a material placing area, a wire replacing plate and a material lifting mechanism used for conveying pipes in the material placing area to the wire replacing plate, the material lifting mechanism is connected with a control device, the material placing area is provided with at least three first pipe grooves used for containing the pipes, the wire replacing plate is located on the left side and the right side of each first pipe groove, the wire replacing plate is arranged in an inclined angle mode, the material lifting mechanism is provided with a material lifting plate, an opening is formed in the bottom of each first pipe groove, when the material lifting plate is lifted, the material lifting plate can stretch into the first pipe grooves through the openings in the bottoms of the first pipe grooves, the pipes located in the first pipe grooves are lifted to the wire replacing plate, and slide into the adjacent first pipe grooves along the wire replacing.

The further improvement of the technical scheme is that the first left-right wire changing mechanism and the second left-right wire changing mechanism are respectively provided with a wire changing auxiliary plate, the wire changing auxiliary plate is arranged between the first pipe groove and the wire changing plate, and the mounting height of the wire changing auxiliary plate is matched with the top height of the wire changing plate.

The technical scheme is further improved in that the first threading mechanism and the second threading mechanism are respectively provided with a threading device, a travel switch and a first conveying mechanism, the travel switch is located between the threading device and the first conveying mechanism, the first conveying mechanism is provided with a second pipe groove used for containing the pipe, the second pipe groove is provided with a transmission gear assembly and a double-shaft driving motor, the transmission gear assembly and the double-shaft driving motor are used for conveying the pipe to the threading device, and the double-shaft driving motor is respectively connected with the transmission gear assembly and the control device.

The further improvement of the technical scheme is that the first threading mechanism and the second threading mechanism are respectively provided with a position sensing rod and a pipe limiting through hole, the pipe limiting through hole is located right ahead of the second pipe groove, the position sensing rod is connected with the travel switch, and the position sensing rod is arranged close to one side, away from the conveying mechanism, of the pipe limiting through hole.

The technical scheme is further improved in that the middle wire changing mechanism is provided with a first conveying channel for containing the pipe, a transmission assembly for conveying the pipe, a wire changing channel and a lifting assembly for lifting the pipe to change the wire, the two sides of the first conveying channel are respectively arranged as an inlet side and an outlet side, the transmission assembly is positioned below the first conveying channel, the wire changing channel is respectively arranged at the two sides of the outlet side, the lifting assembly is positioned above the first conveying channel, the lifting assembly is provided with a driving module, a material supporting shaft and a material supporting arm, the material supporting arm is connected with the material supporting shaft, the driving module is in driving connection with the material supporting arm, the driving module can drive the material supporting arm to rotate around the material supporting shaft, when the wire is changed in the middle of the pipe, the material supporting arm supports the pipe in the second conveying channel and rotates around the material supporting shaft to send the pipe into the wire changing channel.

The further improvement to above-mentioned technical scheme does, and middle lane changing mechanism still is equipped with direction module and sunshade, and the direction module sets up along the direction of delivery of tubular product, and the sunshade is connected with the direction module.

The further improvement of the technical scheme is that the assembly part mechanism is provided with a pipe fitting clamping component, an accessory clamping component, a rotary driving component and a transverse transmission component, the pipe fitting clamping component is connected with the rotary driving component, the accessory clamping component is connected with the transverse transmission component, and the transverse transmission component can drive the accessory clamping component to move relatively towards the pipe fitting clamping component.

The technical scheme is further improved in that the assembly auxiliary line is provided with a jacking mechanism, a second conveying mechanism, a first guide assembly and a second guide assembly, the second conveying mechanism is provided with a second conveying channel, the first guide assembly is arranged at an inclined angle, the first guide assembly is connected with the jacking mechanism, the second guide assembly is matched with the inclined angle of the first guide assembly, the second guide assembly is arranged between the first guide assembly and the second conveying channel, when the first guide assembly is jacked by the jacking mechanism, the first guide assembly and the second guide assembly are positioned on the same inclined plane, and a pipe positioned on the first guide assembly can slide into the second conveying channel along the inclined plane formed by the first guide assembly and the second guide assembly.

The utility model has the advantages as follows:

compared with the prior art, the utility model discloses a tubular product feeding mechanism, tubular product shutdown mechanism, tubular product are beaten sign indicating number mechanism, first control trade line mechanism, first set of tooth mechanism, middle trade line mechanism, second set of tooth mechanism, second control trade line mechanism and assembly part mechanism, have realized the automatic material conveying between each manufacturing procedure, need not manual operation, realize that the automation of tubular product is beaten sign indicating number, cover tooth and assembly part processing, can promote tubular product production efficiency by a wide margin, satisfy automated production demand.

Drawings

Fig. 1 is a schematic structural view of a first left-right wire replacing mechanism of the present invention;

fig. 2 is a schematic structural view of a first set of tooth mechanism of the present invention;

FIG. 3 is a schematic structural view of the intermediate wire-changing mechanism of the present invention;

FIG. 4 is a schematic structural diagram of the fitting mechanism of the present invention;

FIG. 5 is a schematic structural view of an assembly auxiliary line according to the present invention;

description of reference numerals:

1. the device comprises a first left and right thread changing mechanism, 11 a first pipe groove, 12 thread changing plates, 13 material lifting mechanisms, 131 material lifting plates and 14 thread changing auxiliary plates;

2. the automatic pipe fitting device comprises a first tooth fitting mechanism, 21 a tooth fitting device, 22 a first conveying mechanism, 221 a transmission gear assembly, 222 a double-shaft driving motor, 23 a position sensing rod, 24 a pipe limiting through hole;

3. the automatic line changing device comprises a middle line changing mechanism, 31, an inlet side, 32, an outlet side, 33, a transmission assembly, 34, a line changing channel, 35, a lifting assembly, 351, a driving module, 352, a material supporting shaft, 353, a material supporting arm, 36, a guide module and 37, a shielding plate;

4. the pipe fitting clamping device comprises an assembly part mechanism 41, a pipe fitting clamping component 42, an accessory clamping component 43, a rotary driving component 44 and a transverse transmission module;

5. the assembly line comprises an auxiliary assembly line 51, a jacking mechanism 52, a second conveying mechanism 521, a second conveying channel 53, a first guide assembly 54 and a second guide assembly.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 5, the automatic production line for pipes in this embodiment includes a control device, a pipe feeding mechanism and a pipe cutting mechanism, the pipe cutting mechanism is connected to the pipe feeding mechanism, the automatic production line for pipes further includes a pipe coding mechanism, a first threading mechanism 2, a second threading mechanism and an assembly mechanism 4, the pipe feeding mechanism, the pipe cutting mechanism, the pipe coding mechanism, the first threading mechanism 2, the second threading mechanism and the assembly mechanism 4 are respectively connected to the control device, the pipe coding mechanism is disposed near the pipe cutting machine, a first left and right wire changing mechanism 1 is disposed between the pipe cutting mechanism and the first threading mechanism 2, a middle wire changing mechanism 3 is disposed between the first threading mechanism 2 and the second threading mechanism, a second left and right wire changing mechanism is disposed between the second threading mechanism and the assembly mechanism 4, when the pipe production line of the present invention is used for processing pipes, firstly, a long-strip-shaped pipe is conveyed to a pipe cutting mechanism through a pipe feeding mechanism, a control device is informed to control the cutting length, when the pipe is cut, a pipe coding mechanism positioned beside the pipe cutting mechanism is used for coding the type, the pipe diameter or the trademark of the pipe on the pipe, concretely, the control device is a PLC control system, the pipe coding mechanism adopts laser coding to code the pipe which is coded and cut, the pipe enters a first left and right wire changing mechanism 1, the left and right wire changing mechanism can change the wire of the cut pipe to the left and right sides, concretely, one side is used for conveying the pipe with the length which is not in accordance with the processing size, if the long-strip-shaped pipe is cut to the end, the situation that the last part of the length is not enough to process the size can occur, the other side is used for conveying the qualified pipe to a first tooth sleeving mechanism 2, one end of the pipe is sleeved with teeth, after finishing one end cover tooth processing, the tubular product retreats, get into middle line change mechanism 3, middle line change mechanism 3 carries out the middle line change to the right side left side right side just before the transfer chain to the tubular product, the defective work that processing appears is carried by one side, the certified products are carried to second cover tooth mechanism by the opposite side, accomplish the cover tooth processing to the tubular product other end, the tubular product that accomplishes two end cover tooth processing gets into about second line change mechanism, second about line change mechanism distributes tubular product to left and right sides transfer chain, assembly part mechanism 4 can set up at least two, left and right sides transfer chain is connected, then carry out the equipment of tubular product accessory by assembly part mechanism 4, in this embodiment, the accessible is artifical to place the accessory, or set up the manipulator and place the accessory, choose according to the demand, the utility model discloses a tubular product feeding mechanism, tubular product shutdown mechanism, tubular product coding mechanism, first about line change mechanism 1, The first thread changing mechanism 2, the middle thread changing mechanism 3, the second thread changing mechanism, the second left and right thread changing mechanism and the assembly part mechanism 4 realize automatic material conveying between machining processes, manual operation is not needed, automatic coding, thread covering and assembly part machining of the pipe are realized, the production efficiency of the pipe can be greatly improved, the automatic production requirement is met, and meanwhile the influence of manual operation factors on the product quality is avoided.

Referring to fig. 5, in this embodiment, the assembly assisting line 5 is further included, the assembly assisting line 5 is arranged in parallel with the first left and right line changing mechanism 1, the assembly assisting line 5 is provided with a jacking mechanism 51, a second conveying mechanism 52, a first guide component 53 and a second guide component 54, the second conveying mechanism 52 is provided with a second conveying channel 521, the first guide component 53 is arranged at an inclined angle, the first guide component 53 is connected with the jacking mechanism 51, the second guide component 54 is arranged at an inclined angle matched with that of the first guide component 53, the second guide component 54 is arranged between the first guide component 53 and the second conveying channel 521, when the first guide component 53 is jacked up by the jacking mechanism 51, the first guide component 53 and the second guide component 54 are in the same inclined plane, a pipe located on the first guide component 53 can slide into the second conveying channel 521 along the inclined plane formed by the first guide component 53 and the second guide component 54, this embodiment simple structure, reasonable in design, convenient to use in the tubular product course of working, can with the utility model discloses install in the comparatively loaded down with trivial details station tubular product transfer chain one side of process, specifically to this embodiment, install between first set of tooth mechanism 2 and second set tooth mechanism, when tubular product comes untimely processing, when being about to appear piling up the condition, the direct tubular product that is not in time to process pushes the utility model discloses, the tubular product that is pushed along the utility model discloses a inclined plane that first direction subassembly 53 and second direction subassembly 54 cooperation formed slides into the transport channel way, then sends away tubular product through the transport channel way, and the tubular product that is sent away waits for follow-up processing can, convenient to use.

Referring to fig. 1, in this embodiment, the first left and right wire-changing mechanism 1 and the second left and right wire-changing mechanism are respectively provided with a material-placing area, a wire-changing plate 12 and a material-lifting mechanism 13 for conveying the tubes in the material-placing area to the wire-changing plate 12, the material-lifting mechanism 13 is connected to a control device, the material-placing area is provided with at least three first tube slots 11 for accommodating the tubes, the wire-changing plate 12 is located on the left and right sides of the first tube slot 11, the wire-changing plate 12 is arranged at an inclined angle, the material-lifting mechanism 13 is provided with a material-lifting plate 131, the bottom of the first tube slot 11 is provided with an opening, when the material-lifting plate 131 is lifted, the material-lifting plate 131 can extend into the first tube slot 11 through the opening at the bottom of the first tube slot 11, the tubes located in the first tube slot 11 are lifted to the wire-changing plate 12 and slide into the adjacent first tube slot 11 along the wire-changing plate 12, the first left and right wire-changing mechanism 1 and the second left and right wire-changing mechanism are respectively provided, the installation height of the wire changing auxiliary plate 14 is matched with the top height of the wire changing plate 12, the structure of the first left and right wire changing mechanisms 1 and the second left and right wire changing mechanisms in the embodiment is the same and is only matched with the requirements of production processes and is installed at two different positions of the processes, the left and right wire changing mechanisms in the embodiment have reasonable design, manual operation is not needed for left and right wire changing, the wire changing efficiency is higher, in the actual use process, the wire changing plate 12 is lifted by the lifting mechanism 13 and extends into the channel through the opening at the bottom of the channel to lift the pipe positioned in the channel to the wire changing plate 12, at the moment, the pipe loses the limitation of the channel, rolls into the adjacent channel along the obliquely arranged wire changing plate 12 to complete the automatic left and right wire changing action, further, the pipe needing wire changing can be further limited by the wire changing auxiliary plate 14 in the embodiment, and the process that the pipe is prevented from being lifted to the top end of the wire changing plate 12 from the channel, skew takes place for tubular product to effectively guarantee the line change effect, the utility model discloses degree of automation is high, satisfies the automated production demand.

Referring to fig. 2, in this embodiment, the first threading mechanism 2 and the second threading mechanism are respectively provided with a sleeve pressing device 21, a travel switch and a first conveying mechanism 22, the travel switch is located between the sleeve pressing device 21 and the first conveying mechanism 22, the first conveying mechanism 22 is provided with a second pipe groove for accommodating a pipe, the second pipe groove is provided with a transmission gear assembly 221 and a double-shaft driving motor 222 for conveying the pipe to the sleeve pressing device 21, the double-shaft driving motor 222 is respectively connected with the transmission gear assembly 221 and a control device, the first threading mechanism 2 and the second threading mechanism are further respectively provided with a position sensing rod 23 and a pipe limiting through hole 24, the pipe limiting through hole 24 is located right in front of the second pipe groove, the position sensing rod 23 is connected with the travel switch, and the position sensing rod 23 is located close to one side of the pipe limiting through hole 24 away from the conveying mechanism, in this embodiment, the first threading mechanism 2 and the second threading mechanism have the same structure, in the embodiment, only for the requirement of the processing procedure, the first sleeve pressing device 21 and the second sleeve pressing device 21 are arranged at different positions of the procedure, the threading mechanism in the embodiment has a simple structure, a reasonable design and high threading efficiency, in the actual use process, the transmission gear assembly 221 is driven to move forward by the double-shaft driving motor 222, so that the pipe is conveyed into the threading device 21, in the conveying process, the pipe touches the travel switch, the travel switch can send the position of the pipe to the control device, the control device controls the start of the threading device 21, when the pipe finishes threading at a given position, the travel switch is touched again, the travel switch sends the position of the pipe to the control device again, the control device controls the stop of the threading device 21, the control system controls the double-shaft driving motor 222 and drives the transmission gear assembly 221 to move reversely, thereby realize sending out the cover pressure device 21 with tubular product, accomplish the cover tooth processing of tubular product, specifically, this embodiment is through setting up the spacing through-hole 24 of tubular product, can inject the direction of delivery of tubular product, make tubular product touch position sensing rod 23 smoothly, thereby touch travel switch, open cover pressure device 21 and overlap tooth processing to tubular product, position sensing rod 23 is except that response tubular product has got into cover pressure device 21, can also respond to the length that tubular product got into simultaneously, after the length that tubular product got into reached the default, position sensing rod 23 touched travel switch, thereby shut down cover pressure device 21, the tubular product of accomplishing cover tooth is sent out by conveying mechanism, the utility model discloses cover tooth is convenient, and control is easy, and the operation is stable.

Referring to fig. 3, in this embodiment, the middle lane-changing mechanism 3 is provided with a first conveying channel for accommodating a pipe, a transmission assembly 33 for conveying the pipe, a lane-changing channel 34, and a lifting assembly 35 for lifting the pipe to change lanes, two sides of the first conveying channel are respectively provided with an inlet side 31 and an outlet side 32, the transmission assembly 33 is located below the first conveying channel, the lane-changing channel 34 is respectively located at two sides of the outlet side 32, the lifting assembly 35 is located above the first conveying channel, the lifting assembly 35 is provided with a driving module 351, a material supporting shaft 352, and a material supporting arm 353, the material supporting arm 353 is connected to the material supporting shaft 352, the driving module 351 is connected to the material supporting arm 353 in a driving manner, the driving module 351 can drive the material supporting arm 353 to rotate around the material supporting shaft 352, when a lane-changing operation is performed among the pipes, the material supporting arm 353 supports the pipe in the second conveying channel 521, rotates around the material supporting shaft 352 to feed the pipe into the lane-changing channel 34, the middle lane-changing mechanism 3, the guide module 36 is arranged along the conveying direction of the pipe, the shield plate 37 is connected with the guide module 36, the utility model does not need manual operation, the wire changing efficiency is higher, in the actual use process, the support arm 353 is driven to rotate around the support shaft 352 by the drive module 351, when the support arm 353 rotates to the highest position, the pipe needing wire changing can be lifted to the wire changing channel 34 at one side of the conveying channel, when the support arm 353 is positioned at the lowest position, the pipe needing wire changing can be lifted to the wire changing channel 34 at the other side of the conveying channel, the pipe is lifted to the wire changing channel 34 at the two sides of the conveying channel, thereby the automatic middle wire changing action of the pipe from the middle conveying channel is completed, specifically, the embodiment can cooperate with the support arm 353 to drive the pipe needing wire changing to move the position by arranging the guide module 36, thereby the wire changing is smoothly completed, and the setting of sunshade 37 can prevent that tubular product from being thrown away along with holding in the palm material arm 353 shift position the condition to can effectively guarantee constructor's safety on one side the utility model discloses degree of automation is high, satisfies the automated production demand.

Referring to fig. 4, in this embodiment, the assembly mechanism 4 is provided with a pipe clamping assembly 41, an assembly clamping assembly 42, a rotation driving assembly 43 and a transverse transmission assembly 44, the pipe clamping assembly 41 is connected with the rotation driving assembly 43, the assembly clamping assembly 42 is connected with the transverse transmission assembly 44, and the transverse transmission assembly 44 can drive the assembly clamping assembly 42 to move relatively towards the pipe clamping assembly 41, the utility model has the advantages of simple structure, reasonable design and convenient assembly, in the specific use process, the pipe clamping assembly 41 is arranged to clamp the pipe, the assembly clamping assembly 42 clamps the assembly, the transverse transmission assembly 44 drives the assembly clamping assembly 42 to move to the position of the pipe clamping assembly 41, the rotation driving assembly 43 drives the pipe clamping assembly 41 to rotate to screw the pipe into the assembly, so as to complete the pipe assembly without manual screwing, the assembly efficiency is high, and specifically, in consideration of cost and overall efficiency, in the embodiment, no manipulator is provided, and the accessory is manually placed on the accessory clamping assembly 42, so that the placement of the accessory can be completed by providing the manipulator if necessary for actual production.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a tubular product automation line, including controlling means, tubular product feeding mechanism and tubular product shutdown mechanism, tubular product shutdown mechanism is connected with tubular product feeding mechanism, a serial communication port, still include tubular product coding mechanism, first set of tooth mechanism, second set of tooth mechanism and assembly part mechanism, tubular product feeding mechanism, tubular product shutdown mechanism, tubular product coding mechanism, first set of tooth mechanism, second set of tooth mechanism and assembly part mechanism are connected with controlling means respectively, tubular product coding mechanism is close to the setting of tubular product cutter, be equipped with between tubular product shutdown mechanism and the first set of tooth mechanism about first line change mechanism, be equipped with middle line change mechanism between first set of tooth mechanism and the second set of tooth mechanism, be equipped with between second set of tooth mechanism and the assembly part mechanism about the second line change mechanism.

2. The automatic production line of pipes of claim 1, further comprising an assembly auxiliary line, wherein the assembly auxiliary line is disposed in parallel with the first left-right wire changing mechanism.

3. The automatic production line for pipes according to claim 1, wherein the first left and right wire changing mechanisms and the second left and right wire changing mechanisms are respectively provided with a material placing area, a wire changing plate and a material lifting mechanism for conveying the pipes in the material placing area to the wire changing plate, the material lifting mechanism is connected with the control device, the material placing area is provided with at least three first pipe grooves for accommodating the pipes, the wire changing plate is arranged on the left and right sides of the first pipe grooves, the wire changing plate is arranged at an inclined angle, the material lifting mechanism is provided with a material lifting plate, the bottom of each first pipe groove is provided with an opening, when the material lifting plate is lifted, the material lifting plate can extend into the first pipe groove through the opening at the bottom of the first pipe groove, the pipes in the first pipe grooves are lifted to the wire changing plate and slide into the adjacent first pipe grooves along the wire changing plate.

4. The automatic pipeline production line as claimed in claim 3, wherein the first left and right wire changing mechanisms and the second left and right wire changing mechanisms are further provided with wire changing auxiliary plates respectively, the wire changing auxiliary plates are arranged between the first pipe groove and the wire changing plate, and the installation height of the wire changing auxiliary plates is matched with the top height of the wire changing plate.

5. The automatic pipe production line according to claim 1, wherein the first threading mechanism and the second threading mechanism are respectively provided with a threading device, a travel switch and a first conveying mechanism, the travel switch is located between the threading device and the first conveying mechanism, the first conveying mechanism is provided with a second pipe groove for accommodating the pipe, the second pipe groove is provided with a transmission gear assembly and a double-shaft driving motor for conveying the pipe to the threading device, and the double-shaft driving motor is respectively connected with the transmission gear assembly and the control device.

6. The automatic pipe production line as claimed in claim 5, wherein the first threading mechanism and the second threading mechanism are further provided with a position sensing rod and a pipe limiting through hole respectively, the pipe limiting through hole is located right in front of the second pipe groove, the position sensing rod is connected with the travel switch, and the position sensing rod is arranged close to one side of the pipe limiting through hole, which is far away from the conveying mechanism.

7. The automatic production line of pipes as claimed in claim 1, wherein the middle lane-changing mechanism has a first conveying channel for receiving the pipe, a transmission assembly for conveying the pipe, a lane-changing channel, and a lifting assembly for lifting the pipe to change lanes, two sides of the first conveying channel are respectively provided as an inlet side and an outlet side, the transmission assembly is located below the first conveying channel, the lane-changing channel is respectively located on two sides of the outlet side, the lifting assembly is located above the first conveying channel, the lifting assembly has a driving module, a material-supporting shaft, and a material-supporting arm, the material-supporting arm is connected to the material-supporting shaft, the driving module is connected to the material-supporting arm in a driving manner, the driving module can drive the material-supporting arm to rotate around the material-supporting shaft, and when the lane is changed in the middle of the pipe, the material-supporting arm supports the pipe in the second conveying channel and rotates around the material-supporting shaft to feed the.

8. The automatic production line as claimed in claim 7, wherein the intermediate line-changing mechanism further comprises a guiding module and a shielding plate, the guiding module is disposed along the conveying direction of the pipe, and the shielding plate is connected to the guiding module.

9. The automated pipe production line of claim 1, wherein the fitting assembly mechanism comprises a tube clamping assembly, a fitting clamping assembly, a rotation driving assembly, and a transverse transmission assembly, the tube clamping assembly is connected to the rotation driving assembly, the fitting clamping assembly is connected to the transverse transmission assembly, and the transverse transmission assembly drives the fitting clamping assembly to move relative to the tube clamping assembly.

10. The automatic pipe production line of claim 2, wherein the assembly auxiliary line comprises a jacking mechanism, a second conveying mechanism, a first guide assembly and a second guide assembly, the second conveying mechanism comprises a second conveying channel, the first guide assembly is arranged at an inclined angle, the first guide assembly is connected with the jacking mechanism, the second guide assembly is matched with the inclined angle of the first guide assembly, the second guide assembly is arranged between the first guide assembly and the second conveying channel, when the first guide assembly is jacked up by the jacking mechanism, the first guide assembly and the second guide assembly are on the same inclined plane, and the pipe located on the first guide assembly can slide into the second conveying channel along the inclined plane formed by the first guide assembly and the second guide assembly.