Full-automatic steel pipe lining pipe penetrating system

Abstract

The utility model discloses a full-automatic steel pipe lining pipe penetrating system, which belongs to the technical field of composite steel pipe production, and comprises a pipe penetrating mechanism, the extension direction of the pipe penetrating mechanism is set to be a first direction, a plurality of clamping components are arranged on the pipe penetrating mechanism, and the plurality of clamping components can clamp a lining pipe and drive the lining pipe to move along the first direction; a plurality of positioning mechanisms are arranged at the end, in the first direction, of the pipe penetrating mechanism and can position the steel pipe, each positioning mechanism comprises a supporting assembly and a clamping assembly, each supporting assembly comprises a supporting base, each clamping assembly comprises two clamping arms, the lower ends of the two clamping arms are rotatably arranged on the supporting base, and a driving part is arranged between the two clamping arms; the driving piece can drive the upper ends of the two holding and clamping arms to be close to or away from each other, and the multiple clamping assemblies can penetrate the lining pipe into the steel pipe when driving the lining pipe to move. The positioning mechanism can fix and support the steel pipe, the clamping assembly can penetrate the lining pipe into the steel pipe, mechanical pipe penetrating is achieved, and production efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe production, in particular to a full-automatic steel pipe inner lining pipe threading system. Background Technique

[0002] The lined composite pipe is a composite pipe composed of two pipes with different materials inside and outside. Usually, the inner layer is made of stainless steel material, which has high toughness and mechanical strength, and is resistant to corrosion by acid and alkaline gases, solutions and other media. The outer layer is made of pressure-resistant material carbon steel. This structure makes the lined composite pipe have the advantages of corrosion resistance, wear resistance and pressure resistance, and is commonly used in pipeline systems in industries such as chemical industry, petroleum and pharmacy. At present, this process is mostly completed manually, that is, manually relying on tools to hammer the inner pipe into the outer pipe bit by bit, which is time-consuming and laborious, with extremely low processing efficiency, and there are also potential safety hazards.

[0003] In view of the problems existing in the above-mentioned prior art, the utility model combines the design and use experience in related fields for many years, and designs and manufactures a full-automatic steel pipe inner lining pipe threading system to overcome the above defects. Summary of the Invention

[0004] For the problems existing in the prior art, the full-automatic steel pipe inner lining pipe threading system provided by the utility model can automatically thread the inner lining pipe into the steel pipe, with high automation degree and high production efficiency.

[0005] In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the full-automatic steel pipe inner lining pipe threading system includes a pipe threading mechanism, and a number of clamping components are arranged on the pipe threading mechanism. The number of clamping components are distributed along a first direction. The number of clamping components can clamp the inner lining pipe and drive the inner lining pipe to move along the first direction; a number of positioning mechanisms are arranged at one end of the pipe threading mechanism along the first direction. The number of positioning mechanisms can position the steel pipe. The positioning mechanism includes a support component and a clamping component. The support component includes a support seat. The clamping component includes two clamping arms. The lower ends of the two clamping arms are rotatably arranged on the support seat. A driving member is arranged between the two clamping arms. The driving member can drive the upper ends of the two clamping arms to approach or move away from each other. When the number of clamping components drive the inner lining pipe to move, the inner lining pipe can be threaded into the steel pipe.

[0006] Preferably, the support component includes a number of V-shaped wheels. The number of V-shaped wheels are rotatably arranged on the support seat. The number of V-shaped wheels are distributed along the first direction.

[0007] Preferably, a base is arranged below the support seat. A number of first cylinders are arranged between the support seat and the base. The number of first cylinders are arranged vertically. The telescopic movement of the number of first cylinders can drive the support seat to rise and fall.

[0008] Preferably, a plurality of guide cylinders are provided on the base, and the guide rods extend into the guide cylinders and are in clearance fit with the guide cylinders.

[0009] Preferably, the clamping assembly is located between two V-shaped wheels. Rotating plates are rotatably connected to the opposite surfaces of the two clamping arms. The driving member is a second cylinder vertically arranged. A horizontal shaft is provided at the upper end of the second cylinder. The horizontal shaft is parallel to the first direction. The ends of the two rotating plates away from the clamping arms are rotatably connected to the horizontal shaft.

[0010] Preferably, the pipe threading mechanism includes a base and a top seat. Conveyor belts are provided on both the base and the top seat, and the conveyor belts are conveyed along the first direction;

[0011] The clamping assembly includes an upper clamping block and a lower clamping block. The upper clamping block and the lower clamping block are respectively fixedly arranged on the conveyor belts of the top seat and the base. Frequency conversion motors for driving the conveyor belts to rotate are provided on both the base and the top seat. A plurality of rollers are provided on both the top seat and the base. A first gear is provided at one end of the roller. The first gears are connected by a first chain. A second gear is provided on the output shaft of the frequency conversion motor. A third gear is provided at one end of a roller. The third gear and the second gear are connected by a second chain;

[0012] The frequency conversion motor drives the second gear to rotate. The second gear synchronously drives the third gear to rotate through the second chain. The third gear drives the roller connected to the third gear to rotate. The roller connected to the third gear drives the first gear to rotate. The first gear drives the other first gears to rotate through the first chain, and further drives the other rollers to rotate, driving the two conveyor belts to rotate simultaneously;

[0013] A plurality of oil cylinders are connected between the top seat and the base. The telescopic movement of the plurality of oil cylinders can drive the top seat to lift. The oil cylinders are connected to a controller, and the frequency conversion motor is connected to the controller.

[0014] Preferably, a plurality of grooves are provided on the upper surface of the base, and the plurality of grooves are distributed along the first direction;

[0015] A plurality of transition plates are provided on the upper end surface of the base, and the plurality of transition plates are distributed along the first direction. The transition plates are vertically arranged. The transition plates are located on the side of the lower clamping block close to the grooves. The upper surface of the transition plate gradually slopes downward along the direction close to the lower clamping block. The lowest point of the upper surface of the transition plate is not lower than the upper surface of the lower clamping block. The transition plate can guide the inner lining pipe into the lower clamping block.

[0016] Preferably, a feeding mechanism for conveying the inner lining pipe to the pipe threading mechanism is provided on one side of the pipe threading mechanism. A material distributing mechanism is provided on the side of the feeding mechanism away from the pipe threading mechanism. The material distributing mechanism can divide the inner lining pipe into single pipes and convey them to the feeding mechanism.

[0017] Preferably, the material distributing mechanism includes a plurality of material distributing racks which are distributed along a first direction. A material distributing rod for storing inner lining pipes is provided at the upper end of each material distributing rack, and the upper surface of the material distributing rod slopes gradually downward along the conveying direction of the material distributing mechanism.

[0018] Two stoppers are provided on the material distributing rack, and the stopper is connected with a fourth cylinder. The fourth cylinder can drive the stopper to move between a first height and a second height. When at the first height, the stopper protrudes from the upper surface of the material distributing rod; when at the second height, the stopper is located below the upper surface of the material distributing rod.

[0019] Preferably, the feeding mechanism includes a plurality of feeding racks which are distributed along the first direction. A cross bar for conveying inner lining pipes is provided at the upper end of each feeding rack, and the upper surface of the cross bar slopes gradually downward along the conveying direction of the feeding mechanism. First guiding rods and second guiding rods are respectively rotatably connected to both ends of the cross bar. A third cylinder is provided between the first guiding rod and the feeding rack and between the second guiding rod and the feeding rack. The telescopic movement of the two third cylinders can respectively drive the first guiding rod and the second guiding rod to swing between a first position and a second position; the upper surfaces of the first guiding rod and the second guiding rod both have a supporting surface for supporting the inner lining pipe.

[0020] When the first guiding rod is at the first position, the supporting surface of the first guiding rod is lower than the upper surface of the material distributing rod, and the inner lining pipe can fall from the material distributing rod onto the first guiding rod; when the first guiding rod is at the second position, the supporting surface of the first guiding rod is higher than the upper surface of the cross bar, and the inner lining pipe can fall from the first guiding rod onto the cross bar.

[0021] When the second guiding rod is at the first position, the second guiding rod can extend into the groove, and the inner lining pipe can fall from the second guiding rod onto the transition plate; when the second guiding rod is at the second position, the supporting surface of the second guiding rod is lower than the upper surface of the cross bar, and the inner lining pipe can fall from the cross bar onto the second guiding rod.

[0022] Preferably, the first cylinder, the second cylinder, the third cylinder and the fourth cylinder are respectively connected with a controller; the controller is a PLC.

[0023] The beneficial effects of this utility model are as follows:

[0024] 1. While the supporting component of this utility model supports the steel pipe, the two clamping arms clamp the steel pipe to fix it. When the clamping component drives the inner lining pipe to move in the first direction, the inner lining pipe can be smoothly inserted into the steel pipe. The pipe insertion process does not require manual operation, with high safety and high production efficiency.

[0025] 2. This utility model has a high degree of automation and low production cost. Description of the Drawings

[0026] Figure 1 It is a side view of a fully automatic pipe threading system for steel pipe inner lining.

[0027] Figure 2 It is a schematic diagram of the positioning mechanism in a fully automatic pipe threading system for steel pipe inner lining.

[0028] Figure 3 It is a schematic structural diagram of a fully automatic pipe threading system for steel pipe inner lining.

[0029] In the figure: 1 - pipe threading mechanism, 2 - positioning mechanism, 3 - feeding mechanism, 4 - material distributing mechanism, 5 - variable frequency motor, 11 - base, 12 - top seat, 13 - upper clamping block, 14 - lower clamping block, 15 - groove, 16 - transition plate, 17 - conveyor belt, 21 - V-shaped wheel, 22 - first cylinder, 23 - support seat, 24 - base, 25 - clamping arm, 26 - rotating plate, 27 - second cylinder, 28 - guiding cylinder, 29 - guiding rod, 31 - feeding rack, 32 - first guiding rod, 33 - third cylinder, 34 - cross bar, 35 - second guiding rod, 41 - material distributing rack, 42 - material distributing rod, 43 - fourth cylinder, 44 - stop block. Specific embodiments

[0030] For the convenience of those skilled in the art to understand, the present utility model will be further described below with reference to the accompanying drawings.

[0031] As Figures 1-3 shown, a fully automatic pipe threading system for steel pipe inner lining includes a pipe threading mechanism 1, and a plurality of clamping assemblies are provided on the pipe threading mechanism 1. The plurality of clamping assemblies are distributed along a first direction, Figure 3 the direction of the arrow in the figure is the first direction, and the plurality of clamping assemblies can clamp the inner lining pipe and drive the inner lining pipe to move along the first direction; at one end of the pipe threading mechanism 1 along the first direction, a plurality of positioning mechanisms 2 are provided, and the plurality of positioning mechanisms 2 can position the steel pipe. The positioning mechanism 2 includes a support assembly and a clamping assembly. The support assembly includes a support seat 23, and the clamping assembly includes two clamping arms 25. The lower ends of the two clamping arms 25 are rotatably arranged on the support seat 23, and a driving member is arranged between the two clamping arms 25. The driving member can drive the upper ends of the two clamping arms 25 to approach or move away from each other. When the plurality of clamping assemblies drive the inner lining pipe to move, the inner lining pipe can be inserted into the steel pipe.

[0032] The support assembly includes a number of V-shaped wheels 21, which are distributed in the first direction. The number of V-shaped wheels 21 is rotatably arranged on the support base 23. A base 24 is provided below the support base 23. A number of guide rods 29 are provided on the lower surface of the support base 23, and the number of guide rods 29 are vertically arranged. A number of first cylinders 22 are provided between the support base 23 and the base 24, and the number of first cylinders 22 are vertically arranged. The telescopic movement of the number of first cylinders 22 can drive the support base 23 to move up and down. A number of guide cylinders 28 are provided on the base 24, and the guide rods 29 extend into the guide cylinders 28 and are in clearance fit with the guide cylinders 28. The clamping assembly is located between two V-shaped wheels 21. Rotating plates 26 are rotatably connected to the facing surfaces of the two clamping arms 25. The driving member is a second cylinder 27 arranged vertically. A horizontal shaft is provided at the upper end of the second cylinder 27, and the horizontal shaft is parallel to the first direction. The ends of the two rotating plates 26 away from the clamping arms 25 are rotatably connected to the horizontal shaft.

[0033] In the utility model, the steel pipe moves on the V-shaped wheels 21. The telescopic movement of the number of first cylinders 22 drives the support base 23 to move up and down, driving the V-shaped wheels 21 and the clamping assembly on the support base 23 to move up and down, so as to adapt to the change of the diameter of the steel pipe, better support and clamp the steel pipe, and make the axes of the inner lining pipe and the steel pipe collinear. When the piston rod of the second cylinder 27 extends, it drives the horizontal shaft to move upward, driving the ends of the two rotating plates 26 away from the horizontal shaft to rotate in the mutually separating direction, driving the two clamping arms 25 to rotate in the mutually separating direction, and the two clamping arms 25 are in the open state. When the piston rod of the second cylinder 27 descends, it drives the two clamping arms 25 to rotate in the mutually approaching direction, and the two clamping arms 25 are in the closed state to clamp the steel pipe. The guide rods 29 enable the overall horizontal lifting of the support base 23 to avoid tilting. The clamping assembly clamps the inner lining pipe and drives the inner lining pipe to move in the first direction, threading the inner lining pipe into the steel pipe, avoiding manual pipe threading and saving labor.

[0034] The pipe threading mechanism 1 includes a base 11 and a top seat 12. Conveyor belts 17 are provided on both the base 11 and the top seat 12, and the conveyor belts 17 convey in the first direction. A number of rollers and variable frequency motors 5 are provided on both the top seat 12 and the base 11. A first gear is provided at one end of the roller, and the number of first gears are connected by a first chain drive. A second gear is provided on the output shaft of the variable frequency motor 5. A third gear is provided at one end of a roller, and the third gear and the second gear are connected by a second chain drive. The clamping assembly includes an upper clamping block 13 and a lower clamping block 14. The upper clamping block 13 and the lower clamping block 14 are respectively fixed on the conveyor belts 17 of the top seat 12 and the base 11. A number of oil cylinders are connected between the top seat 12 and the base 11, and the telescopic movement of the number of oil cylinders can drive the top seat 12 to move up and down. The variable frequency motor 5 is connected to a controller, and the oil cylinders are connected to the controller.

[0035] Specifically, as the piston rod of the oil cylinder in the pipe threading mechanism 2 descends, the inner lining pipe enters, driving the top seat 12 to descend, driving the upper clamping block 13 to descend. The upper clamping block 13 and the lower clamping block 14 clamp the inner lining pipe. At the same time, two frequency conversion motors 5 are started to drive the second gear to rotate. The second gear synchronously drives the third gear to rotate through the second chain. The third gear drives the drum connected to the third gear to rotate. The drum connected to the third gear drives the first gear to rotate. The first gear drives the remaining first gears to rotate through the first chain, thereby driving the remaining drums to rotate. At the same time, two conveyor belts 17 are driven to rotate. The two conveyor belts 17 drive the clamping assembly to move. A number of clamping assemblies drive the inner lining pipe to move in the first direction, and the inner lining pipe is inserted into the steel pipe to complete the casing work.

[0036] A number of grooves 15 are provided on the upper surface of the base 11, and the number of grooves 15 are distributed in the first direction; a number of transition plates 16 capable of guiding the inner lining pipe into the lower clamping block 14 are provided on the upper surface of the base 11. The transition plates 16 are vertically arranged, and the number of transition plates 16 are distributed in the first direction. The transition plates 16 are located on the side of the lower clamping block 14 close to the grooves 15. The upper surface of the transition plate 16 gradually slopes downward in the direction close to the lower clamping block 14, and the lowest point of the upper surface of the transition plate 16 is not lower than the upper surface of the lower clamping block 14.

[0037] A feeding mechanism 3 for conveying the inner lining pipe to the pipe threading mechanism 1 is provided on one side of the pipe threading mechanism 1. A material distribution mechanism 4 is provided on the side of the feeding mechanism 3 away from the pipe threading mechanism 1. The material distribution mechanism 4 can divide the inner lining pipe into single pipes and convey them to the feeding mechanism 3.

[0038] The material distribution mechanism 4 includes a number of material distribution frames 41, and the number of material distribution frames 41 are distributed in the first direction. A material distribution rod 42 for storing the inner lining pipe is provided at the upper end of the material distribution frame 41. The upper surface of the material distribution rod 42 gradually slopes downward along the conveying direction of the material distribution mechanism 4; two stoppers 44 are provided on the material distribution frame 41. The stopper 44 is connected to a fourth cylinder 43, and the fourth cylinder 43 can drive the stopper 44 to move between a first height and a second height. At the first height, the stopper protrudes from the upper surface of the material distribution rod 42. At the second height, the stopper 44 is located below the upper surface of the material distribution rod 42. When both stoppers 44 are at the first height, the two stoppers 44 and the material distribution rod 42 can form a material distribution interval.

[0039] The feeding mechanism 3 includes a number of feeding racks 31. At the upper end of the feeding rack 31, there is a cross bar 34 for conveying the inner lining pipes. The upper surface of the cross bar 34 gradually slopes downward along the conveying direction of the feeding mechanism 3. At both ends of the cross bar 34, a first guiding rod 32 and a second guiding rod 35 are respectively rotatably connected. Between the first guiding rod 32 and the feeding rack 31, and between the second guiding rod 35 and the feeding rack 31, there are third air cylinders 33. The telescoping of the two third air cylinders 33 can respectively drive the first guiding rod 32 and the second guiding rod 35 to swing between a first position and a second position; on the upper surfaces of the first guiding rod 32 and the second guiding rod 35, there are supporting surfaces for supporting the inner lining pipes. When the first guiding rod 32 is in the first position, the supporting surface of the first guiding rod 32 is lower than the upper surface of the material distributing rod 42, and the inner lining pipe can fall from the material distributing rod 42 onto the first guiding rod 32; when the first guiding rod 32 is in the second position, the supporting surface of the first guiding rod 32 is higher than the upper surface of the cross bar 34, and the inner lining pipe can fall from the first guiding rod 32 onto the cross bar 34; when the second guiding rod 35 is in the first position, the second guiding rod 35 can extend into the groove 15, and the inner lining pipe can fall from the second guiding rod 35 onto the transition plate 16; when the second guiding rod 35 is in the second position, the supporting surface of the second guiding rod 35 is lower than the upper surface of the cross bar 34, and the inner lining pipe can fall from the cross bar 34 onto the second guiding rod 35.

[0040] Specifically, the material distributing rod 42 is inclined. The inner lining pipe can slide on the material distributing rod 42 towards the feeding mechanism 3. The upper end of the fourth air cylinder 43, that is, the piston rod end, extends out, driving the block 44 to rise. When at a first height, the block 44 blocks the inner lining pipe. When at a second height, the block 44 is located below the upper surface of the material distributing rod 42, and the inner lining pipe can continue to slide and enter the feeding mechanism 3. When the first guiding rod 32 swings to the first position driven by the third air cylinder 33, since the supporting surface of the first guiding rod 32 near the material distributing rod 42 is lower than the upper surface of the material distributing rod 42, at this time, the inner lining pipe sliding on the material distributing rod 42 can fall onto the first guiding rod 32. When the third air cylinder 33 drives the first guiding rod 32 to swing towards the second position, the inner lining pipe slides towards the direction close to the cross bar 34. When swinging to the second position, the lowest point of the upper surface of the first guiding rod 32 is higher than the upper surface of the cross bar 34, and the inner lining pipe can fall from the first guiding rod 32 onto the cross bar 34. The cross bar 34 is inclined, so the inner lining pipe slides towards the direction close to the second guiding rod 35. When the second guiding rod 35 swings to the second position driven by the third air cylinder 33, the supporting surface of the second guiding rod 35 near the cross bar 34 is not higher than the upper surface of the cross bar 34, and the inner lining pipe can slide from the cross bar 34 onto the second guiding rod 35. During the process of the second guiding rod 35 swinging towards the first position, the inner lining pipe slides towards the direction of the pipe threading mechanism 1. When the second guiding rod 35 is in the first position, the second guiding rod 35 extends into the groove 15, and the inner lining pipe falls onto the transition plate 16 and enters the lower clamping block 14 along the transition plate 16 to complete the conveying.

[0041] Specific operation process

[0042] According to the diameter of the steel pipe, the PLC controls the piston rod end of the first cylinder 22 to extend, driving the support seat 23 to rise, driving the V-shaped wheel 21 to rise, supporting the steel pipe. The piston rod end of the second cylinder 27 descends, driving the horizontal shaft to move downward, driving the two rotating plates 26 to rotate away from the horizontal shaft end towards the direction of approaching each other, driving the two clamping arms 25 to rotate towards the direction of approaching each other. The two clamping arms 25 are in a closed state to clamp the steel pipe. The worker inputs the diameter parameter of the inner lining pipe into the PLC, transports the batch of inner lining pipes to the material distribution mechanism 4. After the material distribution mechanism 4 detects the inner lining pipe, it starts to work. The inner lining pipe slides along the material distribution rod 42 in the conveying direction of the material distribution mechanism 4. When two inner lining pipes pass the first fourth cylinder 43, the PLC controls the piston rod of the first fourth cylinder 43 to rise, driving the stopper 44 to rise. The stopper 44 is at the first height to block the sliding of the remaining inner lining pipes. The remaining inner lining pipes are cached on the material distribution rod 42. The inner lining pipe that has passed the first fourth cylinder 43 continues to slide. When an inner lining pipe passes the second fourth cylinder 43, the second fourth cylinder 43 is controlled to make its piston rod rise, driving the stopper 44 to rise. The stopper 44 is at the first height to limit another inner lining pipe between the two stoppers 44. The PLC controls the piston rod of the third cylinder 33 near the material distribution mechanism 4 to retract, driving the first guide rod 32 to swing. When the first guide rod 32 swings to the first position, the inner lining pipe falls from the material distribution rod 42 onto the supporting surface of the first guide rod 32. Then the third cylinder 33 drives the first guide rod 32 to swing to the second position, and the inner lining pipe slides on the first guide rod 32 towards the direction close to the cross bar 34. When the first guide rod 32 swings to the second position, the inner lining pipe falls from the first guide rod 32 onto the cross bar 34. The inner lining pipe slides on the cross bar 34 towards the direction close to the second guide rod 35. When the second guide rod 35 swings to the second position driven by the third cylinder 33, the inner lining pipe slides from the cross bar 34 onto the second guide rod 35. During the process of the second guide rod 35 swinging towards the first position, the inner lining pipe slides towards the pipe threading mechanism 1. When the second guide rod 35 is at the first position, the second guide rod 35 extends into the groove 15, and the inner lining pipe falls from the second guide rod 35 onto the transition plate 16 and enters the lower clamp 14 along the transition plate 16. After the pipe threading mechanism 1 detects the inner lining pipe, the PLC controls the piston rod of the oil cylinder to retract, driving the top seat 12 to descend, driving the upper clamp 13 to descend. The upper clamp 13 and the lower clamp 14 clamp the inner lining pipe. At the same time, two frequency conversion motors 5 are started. The frequency conversion motors 5 drive the second gears to rotate. The second gears synchronously drive the third gears to rotate through the second chains. The third gears drive the drums connected to the third gears to rotate. The drums connected to the third gears drive the first gears to rotate. The first gears drive the other first gears to rotate through the first chains, and then drive the other drums to rotate, driving the two conveyor belts 17 to rotate simultaneously. The two conveyor belts 17 drive the clamping assemblies to rotate. A number of clamping assemblies drive the inner lining pipe to move in the first direction, threading the inner lining pipe into the steel pipe to complete the pipe threading.

[0043] It should be understood that the use of these embodiments is only for illustrating the present utility model rather than intending to limit the protection scope of the present utility model. In addition, it should also be understood that after reading the technical content of the present utility model, those skilled in the art can make various changes, modifications and / or variations to the present utility model, and all these equivalent forms also fall within the protection scope defined by the appended claims of this application.

Claims

1. The full-automatic steel pipe inner lining pipe threading system is characterized in that, It includes a pipe threading mechanism (1). A number of clamping components are provided on the pipe threading mechanism (1). The number of clamping components are distributed along a first direction. The number of clamping components can clamp the inner liner pipe and drive the inner liner pipe to move along the first direction. At one end of the pipe threading mechanism (1) along the first direction, a number of positioning mechanisms (2) are provided. The number of positioning mechanisms (2) can position the steel pipe. The positioning mechanism (2) includes a support component and a clamping component. The support component includes a support base (23). The clamping component includes two clamping arms (25). The lower ends of the two clamping arms (25) are rotatably provided on the support base (23). A driving member is provided between the two clamping arms (25). The driving member can drive the upper ends of the two clamping arms (25) to approach or move away from each other. When the number of clamping components drive the inner liner pipe to move, the inner liner pipe can be threaded into the steel pipe.

2. The fully automatic steel pipe inner lining pipe threading system according to claim 1, wherein The support component includes a number of V-shaped wheels (21). The number of V-shaped wheels (21) are distributed along the first direction. The number of V-shaped wheels (21) are rotatably provided on the support base (23).

3. The fully automatic steel pipe inner lining pipe threading system according to claim 2, wherein, A base (24) is provided below the support base (23). A number of first cylinders (22) are provided between the support base (23) and the base (24). The number of first cylinders (22) are vertically arranged. The telescoping of the number of first cylinders (22) can drive the support base (23) to move in the vertical direction.

4. The fully automatic steel pipe inner lining pipe threading system according to claim 3, wherein The clamping component is located between two V-shaped wheels (21). Rotating plates (26) are rotatably connected to the facing surfaces of the two clamping arms (25). The driving member is a vertically arranged second cylinder (27). A horizontal shaft is provided at the upper end of the second cylinder (27). The horizontal shaft is parallel to the first direction. The ends of the two rotating plates (26) away from the clamping arms (25) are rotatably connected to the horizontal shaft.

5. The full-automatic steel pipe inner lining pipe threading system according to claim 4, characterized in that, The pipe threading mechanism (1) includes a base (11) and a top seat (12). Conveyor belts (17) are provided on both the base (11) and the top seat (12). The conveyor belts (17) convey along the first direction. The clamping component includes an upper clamping block (13) and a lower clamping block (14). The upper clamping block (13) and the lower clamping block (14) are respectively fixedly provided on the conveyor belts (17) of the top seat (12) and the base (11). Variable frequency motors (5) for driving the conveyor belts (17) to rotate are provided on both the base (11) and the top seat (12). A number of rollers are provided on both the base (11) and the top seat (12). A first gear is provided at one end of the roller. The number of first gears are connected by a first chain drive. A second gear is provided on the output shaft of the variable frequency motor (5). A third gear is provided at one end of a roller. The third gear and the second gear are connected by a second chain drive. The variable frequency motor (5) drives the second gear to rotate. The second gear synchronously drives the third gear to rotate through the second chain. The third gear drives the roller connected to the third gear to rotate. The roller connected to the third gear drives the first gear to rotate. The first gear drives the remaining first gears to rotate through the first chain, and further drives the remaining rollers to rotate, driving the two conveyor belts (17) to rotate simultaneously. A number of oil cylinders are connected between the top seat (12) and the base (11). The telescopic movement of the oil cylinders can drive the top seat (12) to rise and fall. The oil cylinders are connected to a controller, and the variable-frequency motor (5) is connected to the controller.

6. The full-automatic steel pipe inner lining pipe threading system according to claim 5, wherein, A number of grooves (15) are provided on the upper surface of the base (11), and the grooves (15) are distributed along a first direction. A number of transition plates (16) capable of guiding the inner lining pipe into the lower clamping block (14) are provided on the upper surface of the base (11). The transition plates (16) are vertically arranged and distributed along the first direction. The transition plates (16) are located on the side of the lower clamping block (14) close to the grooves (15). The upper surface of the transition plate (16) gradually slopes downward in the direction close to the lower clamping block (14), and the lowest point of the upper surface of the transition plate (16) is not lower than the upper surface of the lower clamping block (14).

7. The fully automatic steel pipe inner lining pipe threading system according to claim 6, characterized in that, A feeding mechanism (3) for conveying the inner lining pipe to the pipe-passing mechanism (1) is provided on one side of the pipe-passing mechanism (1). A material distributing mechanism (4) is provided on the side of the feeding mechanism (3) away from the pipe-passing mechanism (1). The material distributing mechanism (4) can divide the inner lining pipe into single pipes and convey them to the feeding mechanism (3).

8. The fully automatic steel pipe inner lining pipe threading system according to claim 7, characterized in that, The material distributing mechanism (4) includes a number of material distributing frames (41), which are distributed along the first direction. A material distributing rod (42) for storing the inner lining pipe is provided at the upper end of the material distributing frame (41). The upper surface of the material distributing rod (42) gradually slopes downward along the conveying direction of the material distributing mechanism (4). Two stoppers (44) are provided on the material distributing frame (41). The stopper (44) is connected to a fourth cylinder (43), and the fourth cylinder (43) can drive the stopper (44) to move between a first height and a second height. At the first height, the stopper (44) protrudes from the upper surface of the material distributing rod (42). At the second height, the stopper (44) is located below the upper surface of the material distributing rod (42).

9. The fully automatic steel pipe inner lining pipe threading system according to claim 8, characterized in that, The feeding mechanism (3) includes a number of feeding frames (31), which are distributed along the first direction. A cross bar (34) for conveying the inner lining pipe is provided at the upper end of the feeding frame (31). The upper surface of the cross bar (34) gradually slopes downward along the conveying direction of the feeding mechanism (3). The two ends of the cross bar (34) are respectively rotatably connected to a first guiding rod (32) and a second guiding rod (35). A third cylinder (33) is provided between the first guiding rod (32) and the feeding frame (31) and between the second guiding rod (35) and the feeding frame (31). The telescopic movement of the two third cylinders (33) can respectively drive the first guiding rod (32) and the second guiding rod (35) to swing between a first position and a second position. The upper surfaces of the first guiding rod (32) and the second guiding rod (35) both have a supporting surface for supporting the inner lining pipe. When the first guide rod (32) is in the first position, the supporting surface of the first guide rod (32) is lower than the upper surface of the material dividing rod (42), and the inner lining tube can fall from the material dividing rod (42) onto the first guide rod (32); when the first guide rod (32) is in the second position, the supporting surface of the first guide rod (32) is higher than the upper surface of the cross bar (34), and the inner lining tube can fall from the first guide rod (32) onto the cross bar (34). When the second guide rod (35) is in the first position, the second guide rod (35) can extend into the groove (15), and the inner lining tube can fall from the second guide rod (35) onto the transition plate (16); when the second guide rod (35) is in the second position, the supporting surface of the second guide rod (35) is lower than the upper surface of the cross bar (34), and the inner lining tube can fall from the cross bar (34) onto the second guide rod (35).

10. The fully automatic steel pipe inner lining pipe threading system according to claim 9, characterized in that, The first air cylinder (22), the second air cylinder (27), the third air cylinder (33) and the fourth air cylinder (43) are respectively connected to the controller; the controller is a PLC.

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