High-precision seamless steel tube production equipment

Abstract

The invention relates to the technical field of seamless steel pipe production, and provides high-precision seamless steel pipe production equipment which comprises transmission frames, a tractor mechanism, a transmission mechanism, a pulling frame, a feeding mechanism and a discharging mechanism. The two transmission mechanisms are arranged in the two transmission frames correspondingly and used for driving the tractor mechanism to slide on the transmission frames, the two feeding mechanisms are arranged on the two sides of the transmission frames and used for conveying steel pipes and inner molds needing to be drawn to the transmission frames, and the two discharging mechanisms are arranged on the two sides of the transmission frames and used for conveying the steel pipes and the inner molds needing to be drawn to the transmission frames. And the two discharging mechanisms are arranged on the sides, away from the pulling frame, of the two transmission frames correspondingly, the discharging mechanisms are used for moving the drawn steel pipes to the outer portions of the transmission frames, and through the technical scheme, the problem that in the prior art, a traditional chain type drawing machine is low in drawing efficiency is solved.

Description

Technical Field

[0001] The invention relates to the technical field of seamless steel pipe production, and in particular to high-precision seamless steel pipe production equipment. Background Art

[0002] Seamless steel pipe is a kind of steel pipe without welds. The hollow structure of seamless steel pipe makes it light and tough, with high pressure bearing capacity, precision and corrosion resistance. Therefore, it is widely used in the fields of petroleum, chemical industry, electric power, nuclear energy, construction, machinery manufacturing, etc. In the petroleum industry, seamless steel pipe is used in key parts such as oil well drilling and oil and gas pipelines; in the chemical industry, seamless steel pipe is used for corrosion-resistant and high-temperature resistant pipeline systems.

[0003] The manufacturing methods of seamless steel pipes mainly include: hot rolling, cold drawing and extrusion, among which cold drawing is a common method for manufacturing seamless steel pipes, which is mainly used to produce seamless pipes with smaller size and better quality. The cold drawing method often uses a chain cold drawing machine. The chain drawing machine is equipped with a traction trolley. The traction trolley clamps the steel pipe and the inner die to drive the steel pipe and the inner die through the drawing die. The steel pipe is extruded by the drawing die to become a steel pipe with a smaller diameter. The traditional chain drawing machine drives the trolley to draw the steel pipe by the unidirectional movement of the chain, and then the trolley is reset for the next drawing. The process of resetting the trolley is relatively time-consuming, and when the trolley is reset, the chain keeps moving all the time, and there is also energy waste. Summary of the invention

[0004] The present invention provides a high-precision seamless steel pipe production device, which solves the problem of low drawing efficiency of a traditional chain drawing machine in the related art.

[0005] The technical solution of the present invention is as follows: A high-precision seamless steel pipe production equipment, comprising a steel pipe and an inner mold, wherein the inner mold and the steel pipe are detachably connected, and further comprising a transmission frame, a tractor mechanism, a transmission mechanism, a pulling frame, a loading mechanism and a discharging mechanism, wherein two transmission frames are provided, and the two transmission frames are arranged opposite to each other, and the tractor mechanism is slidably arranged on the transmission frame, and the tractor mechanism is used to connect with the steel pipe and the inner mold, and two transmission mechanisms are provided, and the two transmission mechanisms are respectively arranged in the two transmission frames, and the transmission mechanism is used to drive the tractor mechanism to move on the transmission frame. Sliding, the pulling frame is arranged between the two transmission frames, the pulling frame is connected to the two transmission mechanisms, the pulling frame and the traction vehicle mechanism are detachably connected, there are two feeding mechanisms, the two feeding mechanisms are arranged on both sides of the transmission frame, the feeding mechanism is used to transport the steel pipe and the inner mold that need to be drawn to the transmission frame, there are two unloading mechanisms, the two unloading mechanisms are respectively arranged on the side of the two transmission frames away from the pulling frame, and the unloading mechanism is used to move the steel pipe that has completed drawing to the outside of the transmission frame.

[0006] The transmission frame is provided with a drawing die and a traction track, and the drawing die is provided with two, and the two drawing dies are respectively arranged at two ends of the transmission frame, and the drawing die is close to the feeding mechanism, and the traction track is opened on a side of the transmission frame close to the pulling frame, and the transmission mechanism includes a transmission wheel, a chain, a motor 1 and a reciprocating drive component, and the transmission wheels are provided with a plurality of transmission wheels, and the plurality of transmission wheels are rotatably arranged in the transmission frame, and the transmission wheels are provided with a plurality of transmission teeth, and the chain tensioning sleeve is arranged on the plurality of transmission wheels, and the transmission teeth cooperate with the chain, and the motor 1 is installed on the outside of the transmission frame, and the motor 1 is connected to one of the transmission wheels for transmission, and the reciprocating drive component is installed on the chain, and the reciprocating motion component is slidably connected to the traction track, and the reciprocating motion component is used to drive the pulling frame to reciprocate.

[0007] The reciprocating driving assembly includes a traction slider, a C-shaped groove, a traction frame and a traction shaft. The traction slider is slidably arranged in the traction track, the traction slider is fixedly connected to the pulling frame, the C-shaped groove is arranged on a side of the traction slider away from the pulling frame, the traction frame is fixedly installed on the chain, the traction frame is arranged in a triangle, the traction shaft is arranged on an end of the traction frame away from the chain, the traction shaft is rotatably and slidably arranged in the C-shaped groove, the traction frame is provided with a traction groove on the side close to the movement direction of the chain, a traction rod is slidably arranged in the traction groove, and the traction rod is rotatably connected to the chain.

[0008] The traction vehicle mechanism includes a sliding seat and a clamping assembly, the sliding seat is detachably arranged on the pulling frame, the sliding seat is slidably arranged on the transmission frame, through holes are opened on both sides of the sliding seat, two clamping assemblies are provided, the clamping assembly is fixedly arranged in the sliding seat, the two clamping assemblies are arranged in opposite directions, the clamping assembly and the through holes on the sliding seat are aligned, the clamping assembly is used to clamp and fix the steel pipe, the clamping assembly includes a sliding disk, a clamping piece, a tightening ring and a driving cylinder 1, the sliding disk is provided with a plurality of sliding grooves, the plurality of sliding grooves are arranged in a circumferential manner, the clamping pieces are provided with a plurality of, the plurality of clamping pieces are respectively slidably arranged in the sliding grooves, the tightening ring is sleeved on the plurality of clamping pieces, the driving cylinder 1 is fixedly installed on the sliding seat, and the output end of the driving cylinder 1 is connected to the tightening ring.

[0009] The unloading mechanism includes a material receiving plate, a sliding groove, a material receiving rack and a second motor. The material receiving plate is fixedly installed on the side of the transmission frame, the sliding groove is fixedly arranged on the material receiving plate, the sliding groove is arranged on the side of the material receiving plate close to the transmission frame, and the end of the material receiving rack away from the transmission frame is slidably arranged on the sliding groove. The second motor is fixedly arranged on the material receiving plate, and an eccentric wheel is connected to the output end of the second motor. The eccentric wheel is rotatably connected to the middle part of the material receiving rack. The two unloading mechanisms are staggered and the two unloading mechanisms are respectively close to the two drawing dies.

[0010] The feeding mechanism includes a feeding plate 1, a feeding plate 2 and a driving cylinder 2, the feeding plate 1 is fixedly connected to the transmission frame, the feeding plate 1 is arranged on the side of the drawing die away from the transmission frame, the steel pipe is slidably arranged on the feeding plate 1, the feeding plate 2 is fixedly connected to the feeding plate 1, the feeding plate 2 is arranged on the side of the feeding plate 1 away from the transmission frame, the inner die is slidably arranged on the feeding plate 1, and the driving cylinder 2 is fixedly arranged on the side of the feeding plate 2 away from the feeding plate 1.

[0011] The upper surfaces of the loading plate 1 and the loading plate 2 are arranged at an inclination, the loading plate 1 and the loading plate 2 are arranged in opposite directions, and the loading plate 1 and the loading plate 2 are aligned with the drawing die.

[0012] The working principle and beneficial effects of the present invention are: 1. In the present invention, a C-shaped groove and a traction frame are provided, and the two ends of the C-shaped groove are arc-shaped. When the traction shaft slides to the end of the C-shaped groove, it can rotate. When the traction shaft rotates at the end of the C-shaped groove and slides in the C-shaped groove, the C-shaped groove remains stationary. When the traction frame rotates 180 degrees, it moves in the reverse direction, and the traction slider moves in the reverse direction. At this time, the steel pipe is loaded and unloaded. When the traction frame moves, the traction rod pulls the traction frame through the traction groove to provide a pulling force in the direction of movement, so as to prevent the chain from tilting due to unstable force when the traction frame is driven to move. When the traction frame rotates with the chain, the traction rod slides in the traction groove; 2. In the present invention, by providing a material receiving rack and a sliding groove, when the material receiving rack rotates to the lowest position, the hook extends under the steel pipe that is about to be drawn. When the drawing is completed and the clamping member releases the steel pipe, the steel pipe falls on the hook as the sliding seat moves. The output end of the second motor drives the eccentric wheel to rotate, and the material receiving rack rotates to make the hook move upward. When the steel pipe moves to a high position, it rolls down to the material receiving plate along the material receiving rack and the sliding groove. When the material receiving rack rotates to the highest position, it is above the sliding seat. 3. In the present invention, by setting a transmission mechanism, the reciprocating motion of the sliding seat can only be used to pull the steel pipe. At the same time, the two chains drive the sliding seat to move to prevent one chain from being subjected to uneven force. By setting a unloading mechanism, the two unloading mechanisms can automatically collect the steel pipe when the sliding seat stops moving. The two unloading devices move alternately, and the steel pipes drawn twice will not be mixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the structure of the present invention from another perspective; Figure 3 It is a cross-sectional structural schematic diagram of the cooperation between the traction rail and the traction slider in the present invention; Figure 4 It is a schematic diagram of a partial cross-sectional structure inside the transmission frame of the present invention; Figure 5 It is a partial structural schematic diagram of the cooperation between the pulling frame and the sliding seat in the present invention; Figure 6 It is a partial cross-sectional structural schematic diagram of the traction slider in the present invention; Figure 7 It is a partial structural schematic diagram of the tractor mechanism in the present invention; Figure 8 It is a structural schematic diagram of the clamping assembly in the present invention; Fig. 9It is a partial structural schematic diagram of the feeding mechanism in the present invention; Fig.10 It is a schematic cross-sectional structural diagram of the unloading mechanism in the present invention.

[0015] In the figure: 1. steel pipe; 2. inner mold; 3. transmission frame; 4. pulling frame; 5. drawing die; 6. traction track; 7. transmission wheel; 8. chain; 9. motor 1; 10. traction slider; 11. C-shaped groove; 12. traction frame; 13. traction shaft; 14. traction groove; 15. traction rod; 16. sliding seat; 17. sliding plate; 18. clamping piece; 19. tightening ring; 20. driving cylinder 1; 21. receiving plate; 22. sliding strip groove; 23. receiving frame; 24. motor 2; 25. eccentric wheel; 26. feeding plate 1; 27. feeding plate 2; 28. driving cylinder 2. DETAILED DESCRIPTION

[0016] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] like Figure 1 to Figure 10 As shown, this embodiment proposes a high-precision seamless steel pipe production equipment, including a steel pipe 1 and an inner mold 2, the inner mold 2 and the steel pipe 1 are detachably connected, and also include a transmission frame 3, a tractor mechanism, a transmission mechanism, a pulling frame 4, a loading mechanism and an unloading mechanism, two transmission frames 3 are provided, the two transmission frames 3 are arranged oppositely, the tractor mechanism is slidably arranged on the transmission frame 3, the tractor mechanism is used to connect with the steel pipe 1 and the inner mold 2, two transmission mechanisms are provided, the two transmission mechanisms are respectively arranged in the two transmission frames 3, the transmission mechanism is used to drive the tractor mechanism to slide on the transmission frame 3, the pulling frame 4 is arranged between the two transmission frames 3, the pulling frame 4 is connected to the two transmission mechanisms, and the pulling frame 4 is detachably connected to the tractor mechanism, two feeding mechanisms are provided, and the two feeding mechanisms are provided on both sides of the transmission frame 3. The feeding mechanisms are used to transport the steel pipe 1 and the inner mold 2 that need to be drawn to the transmission frame 3. Two unloading mechanisms are provided, and the two unloading mechanisms are respectively provided on the side of the two transmission frames 3 away from the pulling frame 4. The unloading mechanism is used to move the steel pipe 1 that has completed drawing to the outside of the transmission frame 3. The pulling frame 4 and the traction slider 10 reciprocate to drive the rod tractor mechanism to reciprocate, so that the tractor mechanism is driven by the chain 8 when it moves, and two pullings can be performed, and the loading and collecting of materials are performed respectively through two sets of feeding mechanisms and unloading mechanisms, thereby completing two independent pullings.

[0018] like Figure 1~Figure 5As shown, a drawing die 5 and a traction track 6 are arranged on the transmission frame 3, two drawing dies 5 are arranged, and the two drawing dies 5 are arranged at both ends of the transmission frame 3 respectively, the drawing die 5 is close to the feeding mechanism, and the traction track 6 is opened on the side of the transmission frame 3 close to the pulling frame 4, and the transmission mechanism includes a transmission wheel 7, a chain 8, a motor 9 and a reciprocating drive component, a plurality of transmission wheels 7 are arranged, and the plurality of transmission wheels 7 are rotatably arranged in the transmission frame 3, and a plurality of transmission teeth are arranged on the transmission wheel 7, and the chain 8 is tensioned on the plurality of transmission wheels 7, and the transmission teeth and the chain 8, a motor 9 is installed outside the transmission frame 3, and the motor 9 is connected to one of the transmission wheels 7. The reciprocating drive assembly is installed on the chain 8. The reciprocating motion assembly and the traction track 6 are slidably connected. The reciprocating motion assembly is used to drive the pulling frame 4 to reciprocate. The motor 9 drives the transmission wheel 7 to rotate, and the transmission teeth on the transmission wheel 7 can extend into the gap between the chains 8 to drive the chain 8 to move. The two drawing dies 5 can use different calibers to perform different drawing operations. The center of the traction track 6 is at the same height as the center of the circle of the transmission wheel 7.

[0019] like Figure 1 to Figure 6 As shown, the reciprocating driving assembly includes a traction slider 10, a C-shaped groove 11, a traction frame 12 and a traction shaft 13. The traction slider 10 is slidably arranged in the traction rail 6. The traction slider 10 is fixedly connected to the pulling frame 4. The C-shaped groove 11 is opened on the traction slider 10 on a side away from the pulling frame 4. The traction frame 12 is fixedly installed on the chain 8. The traction frame 12 is arranged in a triangle. The traction shaft 13 is arranged on the traction frame 12 at one end away from the chain 8. The traction shaft 13 is rotatably and slidably arranged in the C-shaped groove 11. A traction groove 14 is opened on the side of the traction frame 12 close to the movement direction of the chain 8. A traction rod 15 is slidably arranged in the traction groove 14. The traction rod 15 is rotatably connected to the chain 8. The C-shaped groove 1 The two ends of 1 are arc-shaped. The traction shaft 13 can rotate when it slides to the end of the C-shaped groove 11. When the traction shaft 13 rotates at the end of the C-shaped groove 11 and slides in the C-shaped groove 11, the C-shaped groove 11 remains stationary. When the traction frame 12 rotates 180 degrees and then moves in the reverse direction, the traction slider 10 moves in the reverse direction. At this time, the steel pipe 1 is loaded and unloaded. When the traction frame 12 moves, the traction rod 15 pulls the traction frame 12 through the traction groove 14 to provide a pulling force in the direction of movement to prevent the chain 8 from tilting due to unstable force when the traction frame 12 is driven to move. When the traction frame 12 rotates with the chain 8, the traction rod 15 slides in the traction groove 14.

[0020] like Figure 7~Figure 8As shown, the tractor mechanism includes a sliding seat 16 and a clamping assembly. The sliding seat 16 is detachably arranged on the pulling frame 4. The sliding seat 16 is slidably arranged on the transmission frame 3. Through holes are provided on both sides of the sliding seat 16. Two clamping assemblies are provided. The clamping assemblies are fixedly arranged in the sliding seat 16. The two clamping assemblies are arranged in reverse. The through holes on the clamping assembly and the sliding seat 16 are aligned. The clamping assembly is used to clamp and fix the steel pipe 1. The clamping assembly includes a sliding plate 17, a clamping member 18, a tightening ring 19 and a driving cylinder 20. A plurality of sliding grooves are provided on the sliding plate 17. The plurality of sliding grooves are circumferential. The clamping members 18 are arranged in a plurality, and the plurality of clamping members 18 are respectively slidably arranged in the sliding grooves, the tightening ring 19 is sleeved on the plurality of clamping members 18, the driving cylinder 20 is fixedly installed on the sliding seat 16, and the output end of the driving cylinder 20 is connected with the tightening ring 19. In the present embodiment, there are specifically four clamping members 18, and the output end of the driving cylinder 20 is extended to push the tightening ring 19 to contact with the clamping member 18 to squeeze the clamping member 18 to slide and tighten. When the output end of the driving cylinder 20 is shortened, the tightening ring 19 contacts with the arc-shaped support arm on the clamping member 18, driving the clamping members 18 to move away from each other, thereby loosening the steel pipe 1.

[0021] like Figure 1 and Fig.10 As shown, the unloading mechanism includes a receiving plate 21, a sliding groove 22, a receiving rack 23 and a second motor 24. The receiving plate 21 is fixedly mounted on the side of the transmission frame 3, the sliding groove 22 is fixedly arranged on the receiving plate 21, the sliding groove 22 is arranged on the side of the receiving plate 21 close to the transmission frame 3, and the end of the receiving rack 23 away from the transmission frame 3 is slidably arranged on the sliding groove 22. The second motor 24 is fixedly arranged on the receiving plate 21, and an eccentric wheel 25 is connected to the output end of the second motor 24. The eccentric wheel 25 is rotatably connected to the middle part of the receiving rack 23. The two unloading mechanisms are staggered. The structures are respectively close to the two drawing dies 5, and a hook is provided on the end of the material receiving rack 23 away from the sliding groove 22. When the material receiving rack 23 rotates to the lowest position, the hook extends under the steel pipe 1 that is about to be drawn. When the drawing is completed, the clamping piece 18 releases the steel pipe 1, and as the sliding seat 16 moves, the steel pipe 1 falls on the hook, and the output end of the motor 24 drives the eccentric wheel 25 to rotate. The material receiving rack 23 rotates to make the hook move upward. When the steel pipe 1 moves to a high place, it rolls along the material receiving rack 23 and the sliding groove 22 to the material receiving plate 21. When the material receiving rack 23 rotates to the highest point, it is above the sliding seat 16.

[0022] like Figure 2 and Fig. 9As shown, the feeding mechanism includes a feeding plate 1 26, a feeding plate 27 and a driving cylinder 28. The feeding plate 1 26 is fixedly connected to the transmission frame 3, and the feeding plate 1 26 is arranged on the side of the drawing die 5 away from the transmission frame 3. The steel pipe 1 is slidably arranged on the feeding plate 1 26, and the feeding plate 27 is fixedly connected to the feeding plate 1 26. The feeding plate 27 is arranged on the side of the feeding plate 1 26 away from the transmission frame 3. The inner mold 2 is slidably arranged on the feeding plate 1 26, and the driving cylinder 28 is fixedly arranged on the side of the feeding plate 27 away from the feeding plate 1 26. The upper surfaces of the feeding plate 1 26 and the feeding plate 27 are inclined. The material plate 1 26 and the loading plate 2 27 are arranged in opposite directions, and the loading plate 1 26 and the loading plate 2 27 are aligned with the drawing die 5. After the steel pipe 1 and the inner die 2 are placed, they will automatically slide on the inclined surface to be aligned with the center of the drawing die 5, and the output end of the driving cylinder 2 28 is extended to push the inner die 2 into the steel pipe 1, and then the steel pipe 1 is pushed through the drawing die 5. The clamping part 18 clamps the steel pipe 1 and the inner die 2 and then moves. The steel pipe 1 passes through the drawing die 5 for drawing, and the output end of the driving cylinder 2 28 is shortened. The remaining steel pipe 1 and the inner die 2 roll on the loading plate 1 26 and the loading plate 2 27 respectively to the position aligned with the center of the drawing die 5.

[0023] To sum up, the working principle of this high-precision seamless steel pipe production equipment is: The output ends of the two motors 9 drive the transmission wheel 7 to rotate, and the transmission wheel 7 drives the chain 8 to move. The two chains 8 drive the traction frame 12 to move in the same direction. When the two traction frames 12 move in a straight line, the traction shaft 13 drives the traction slider 10 to slide on the traction track 6 in the C-shaped groove 11. The two traction sliders 10 drive the pulling frame 4 and the sliding seat 16 to move. The traction rod 15 drives the traction frame 12 to move through the traction groove 14 to provide a pulling force for the traction frame 12. When the traction frame 12 moves to the turning point of the chain 8, the traction frame 12 rotates around the transmission wheel 7 with the chain 8, the traction shaft 13 rotates at the end of the C-shaped groove 11, and the traction rod 15 slides in the traction groove 14. At this time, the traction slider 10 stops in the traction track 6. When the traction frame 12 rotates 180 degrees and moves in the opposite direction with the chain 8, the traction shaft 13 slides to the other end in the C-shaped groove 11 to drive the traction slider 10 to move in the opposite direction. When the traction slider 10 stops moving, the sliding seat 16 Slide to the drawing die 5, the output end of the driving cylinder 28 extends to push the inner die 2 on the loading plate 27 into the steel pipe 1 on the loading plate 1 26, and continues to move through the drawing die 5, the steel pipe 1 enters between the multiple clamping members 18, the corresponding output end of the driving cylinder 1 20 extends to push the tightening ring 19 to squeeze the clamping member 18, the clamping member 18 clamps the steel pipe 1, and the pulling frame 4 moves in the opposite direction. At this time, the sliding seat 16 pulls the steel pipe 1 and the inner die 2 through the drawing die for drawing. When the pulling rack 4 stops moving again, the pulling of the steel pipe 1 is completed, and the output end of the motor 24 drives the eccentric wheel 25 to rotate, and the eccentric wheel 25 drives the receiving rack 23 to rotate and slide on the sliding groove 22 at the same time. The hook at the end of the receiving rack 23 moves to the bottom of the steel pipe 1. As the eccentric wheel 25 rotates, one end of the hook on the receiving rack 23 is lifted up, and after the steel pipe 1 is lifted up, it rolls along the receiving rack 23 to the side of the sliding groove 22 to complete the storage, and the two receiving racks 23 collect materials alternately.

[0024] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-precision seamless steel pipe production device, comprising a steel pipe (1) and an inner mold (2), wherein the inner mold (2) and the steel pipe (1) are detachably connected, characterized in that: Also includes: A transmission frame (3), wherein two transmission frames (3) are provided, and the two transmission frames (3) are arranged opposite to each other; A tractor mechanism, the tractor mechanism being slidably arranged on the transmission frame (3), the tractor mechanism being used to be connected to the steel pipe (1) and the inner mold (2); A transmission mechanism, wherein two transmission mechanisms are provided, and the two transmission mechanisms are respectively provided in two transmission frames (3), and the transmission mechanism is used to drive the tractor mechanism to slide on the transmission frame (3); A pulling frame (4), the pulling frame (4) being arranged between the two transmission frames (3), the pulling frame (4) being connected to the two transmission mechanisms, and the pulling frame (4) being detachably connected to the tractor mechanism; A feeding mechanism, wherein two feeding mechanisms are provided, and the two feeding mechanisms are provided on both sides of the transmission frame (3), and the feeding mechanisms are used to transport the steel pipe (1) and the inner mold (2) to be drawn onto the transmission frame (3); A discharge mechanism, wherein two discharge mechanisms are provided, and the two discharge mechanisms are respectively provided on one side of the two transmission frames (3) away from the pulling frame (4), and the discharge mechanism is used to move the steel pipe (1) that has completed drawing to the outside of the transmission frame (3).

2. The high-precision seamless steel pipe production equipment according to claim 1 is characterized in that: The transmission frame (3) is provided with: A drawing die (5), wherein two drawing dies (5) are provided, and the two drawing dies (5) are respectively provided at two ends of the transmission frame (3), and the drawing dies (5) are close to the feeding mechanism; A traction track (6), wherein the traction track (6) is provided on a side of the transmission frame (3) close to the pulling frame (4).

3. The high-precision seamless steel pipe production equipment according to claim 2, characterized in that: The transmission mechanism comprises: a transmission wheel (7), wherein a plurality of the transmission wheels (7) are provided, the plurality of transmission wheels (7) are rotatably arranged in the transmission frame (3), and a plurality of transmission teeth are arranged on the transmission wheel (7); A chain (8), wherein the chain (8) is tensioned and sleeved on the plurality of transmission wheels (7), and the transmission teeth cooperate with the chain (8); Motor 1 (9), the motor 1 (9) being mounted outside the transmission frame (3), the motor 1 (9) being in transmission connection with one of the transmission wheels (7); A reciprocating drive component, the reciprocating drive component is mounted on the chain (8), the reciprocating motion component and the traction track (6) are slidably connected, and the reciprocating motion component is used to drive the pulling frame (4) to perform reciprocating motion.

4. The high-precision seamless steel pipe production equipment according to claim 3, characterized in that: The reciprocating driving assembly comprises: A traction slider (10), the traction slider (10) being slidably disposed in the traction track (6), the traction slider (10) being fixedly connected to the pulling frame (4); A C-shaped groove (11), the C-shaped groove (11) being formed on a side of the traction slide block (10) away from the pulling frame (4); A traction frame (12), the traction frame (12) being fixedly mounted on the chain (8), and the traction frame (12) being arranged in a triangle shape; A traction shaft (13), wherein the traction shaft (13) is arranged on an end of the traction frame (12) away from the chain (8), and the traction shaft (13) is rotatably and slidably arranged in the C-shaped groove (11).

5. The high-precision seamless steel pipe production equipment according to claim 4, characterized in that: A traction groove (14) is provided on one side of the traction frame (12) close to the movement direction of the chain (8), a traction rod (15) is slidably arranged in the traction groove (14), and the traction rod (15) is rotatably connected to the chain (8).

6. The high-precision seamless steel pipe production equipment according to claim 5, characterized in that: The tractor mechanism comprises: A sliding seat (16), the sliding seat (16) being detachably arranged on the pulling frame (4), the sliding seat (16) being slidably arranged on the transmission frame (3), and through holes being provided on both sides of the sliding seat (16); A clamping assembly, wherein two clamping assemblies are provided, the clamping assemblies are fixedly arranged in the sliding seat (16), the two clamping assemblies are arranged in opposite directions, the through holes on the clamping assemblies and the sliding seat (16) are aligned with each other, and the clamping assemblies are used to clamp and fix the steel pipe (1); The clamping assembly comprises: A sliding plate (17), wherein a plurality of sliding grooves are formed on the sliding plate (17), and the plurality of sliding grooves are arranged in a circumference; A clamping member (18), wherein a plurality of the clamping members (18) are provided, and the plurality of the clamping members (18) are respectively slidably disposed in the sliding groove; A tightening ring (19), the tightening ring (19) being sleeved on the plurality of clamping members (18); A driving cylinder (20) is fixedly mounted on the sliding seat (16), and an output end of the driving cylinder (20) is connected to the tightening ring (19).

7. The high-precision seamless steel pipe production equipment according to claim 6, characterized in that: The unloading mechanism comprises: A material receiving plate (21), the material receiving plate (21) being fixedly mounted on a side of the transmission frame (3); A sliding strip groove (22), wherein the sliding strip groove (22) is fixedly arranged on the material receiving plate (21), and the sliding strip groove (22) is arranged on a side of the material receiving plate (21) close to the transmission frame (3); A material receiving rack (23), wherein one end of the material receiving rack (23) away from the transmission frame (3) is slidably disposed on the sliding strip groove (22); Motor 2 (24), the motor 2 (24) is fixedly arranged on the material receiving plate (21), an eccentric wheel (25) is connected to the output end of the motor 2 (24), and the eccentric wheel (25) is rotatably connected to the middle part of the material receiving frame (23).

8. The high-precision seamless steel pipe production equipment according to claim 7, characterized in that: The two unloading mechanisms are arranged alternately, and the two unloading mechanisms are respectively close to the two drawing dies (5).

9. The high-precision seamless steel pipe production equipment according to claim 8, characterized in that: The feeding mechanism comprises: A loading plate (26), the loading plate (26) being fixedly connected to the transmission frame (3), the loading plate (26) being arranged on a side of the drawing die (5) away from the transmission frame (3), and the steel pipe (1) being slidably arranged on the loading plate (26); A second loading plate (27), the second loading plate (27) being fixedly connected to the first loading plate (26), the second loading plate (27) being arranged on a side of the first loading plate (26) away from the transmission frame (3), and the inner mold (2) being slidably arranged on the first loading plate (26); A second driving cylinder (28), wherein the second driving cylinder (28) is fixedly arranged on a side of the second loading plate (27) away from the first loading plate (26).

10. The high-precision seamless steel pipe production equipment according to claim 9, characterized in that: The upper surfaces of the first loading plate (26) and the second loading plate (27) are arranged at an inclination, the first loading plate (26) and the second loading plate (27) are arranged in opposite directions, and the first loading plate (26) and the second loading plate (27) are aligned with the drawing die (5).

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