Steel pipe bending machine with high safety performance

Abstract

The invention relates to the field of steel pipe bending and rolling machines, and discloses a steel pipe bending and rolling machine with high safety performance, which comprises a spray head, a water outlet pipe, a water storage box, a water pressing plate, a guide rod, a reset spring, a water inlet pipe, a water tank and two one-way valves, the water storage box is arranged on the inner side of the right supporting frame, the water pressing plate is transversely arranged in the water storage box, and the guide rod is vertically arranged above the water pressing plate. Through the arrangement of the spray head, the water outlet pipe, the water storage box, the water pressing plate, the guide rod, the reset spring, the water inlet pipe, the water tank and the two one-way valves, mutual interaction and mutual support are achieved; by means of the water cooling device, when the steel pipe is bent and rolled, water cooling operation can be conducted on the steel pipe all the time, and the problems that the temperature of the bent and rolled part of the steel pipe rises, deformation is generated, and the product quality cannot be guaranteed can be effectively solved.

Description

Technical Field

[0001] The invention relates to the field of steel pipe bending machines, in particular to a steel pipe bending machine with high safety performance. Background Art

[0002] As an important equipment in the metal processing industry, the development history of steel pipe bending machine can be traced back to the early 20th century. Early bending machines were mainly mechanical, with complex operation and low precision. With the advancement of science and technology, especially the introduction of electronic technology and computer technology, bending machines have gradually realized automation and digital control, greatly improving production efficiency and product quality.

[0003] In the prior art, when a steel pipe is bent, the temperature of the bent portion of the steel pipe will rise, which will cause deformation, making it impossible to ensure the quality of the product and causing waste of resources. Therefore, we provide a steel pipe bending machine with high safety performance. Summary of the invention

[0004] The present invention aims to solve the technical problem in the prior art that when a steel pipe is bent, the temperature of the bent part of the steel pipe will rise, which will cause deformation, making it impossible to ensure the quality of the product and causing waste of resources. A steel pipe bending machine with high safety performance is provided.

[0005] The technical solution adopted by the present invention to solve its technical problems is: a steel pipe bending machine with high safety performance described in the present invention comprises: a base, two support frames, two waist grooves, two support plates, two grooves, two first motors, two sliders, two screws, two first cylinders, two clamping blocks, including a U-shaped plate, a nozzle, a water outlet pipe, a water storage box, a water pressure plate, a guide rod, a reset spring, a water inlet pipe, a water tank, two one-way valves, a telescopic rod, a first fixed plate, a first tooth plate, a slide plate, a first gear, a rotating rod, a second gear, a moving plate, a second tooth plate, a second fixed plate, two first fixed seats, two second fixed seats, an active roller, a first driven roller, a conveying box, a support rod, a second driven roller, two through holes, two second cylinders, two mounting frames, a plurality of lower conveying rollers, a plurality of upper conveying rollers, a plurality of third motors, four universal wheels, a tool box, a push handle, a controller, and a second motor, and the base is a rectangular parallelepiped. The two support frames are respectively arranged vertically symmetrically above the base, and the two support frames are fixedly connected to the upper surfaces of the two bases. Two waist-shaped grooves are respectively arranged on the upper surfaces of the two support frames. The two support plates are respectively arranged vertically and symmetrically above the base, the symmetry axes of the two support plates are perpendicular to the symmetry axes of the two support frames, the two support plates are arranged between the two support frames, and the two support plates are respectively fixedly connected to the upper surface of the base. The two grooves are respectively arranged vertically on the side surfaces of the two support plates, and the two grooves are respectively arranged opposite to each other. The axes of the two first motors are respectively arranged vertically, the two first motors are respectively arranged above the two support plates, the two first motor shafts respectively penetrate the two support plates downward, and extend into the two grooves respectively, and the two first motors are respectively fixedly connected to the upper surfaces of the two support plates. The two sliders are respectively arranged in the two grooves, the two sliders are respectively slidably connected to the two grooves, and their sliding directions are respectively arranged vertically. The two screws are respectively arranged vertically in the two grooves, the upper ends of the two screws are respectively fixedly connected to the two first motor shafts, the lower ends of the two screws respectively penetrate the two sliders downward, the two screws are respectively threadedly connected to the two sliders, and the lower ends of the two screws are respectively rotatably connected to the inner bottom surfaces of the two support plates, and their rotation directions are respectively arranged vertically. The axes of the two first cylinders are respectively arranged horizontally and perpendicular to the two support plates. The two first cylinders are respectively arranged on the outer sides of the two sliders, and the two first cylinders are respectively fixedly connected to the outer sides of the two sliders. The two clamping blocks are respectively arranged on one end of the piston rods of the two first cylinders, and the two clamping blocks are respectively fixedly connected to one end of the piston rods of the two first cylinders, and the two clamping blocks cooperate with each other. The U-shaped plate is arranged on the side of the two first cylinders, the U-shaped plate faces the left side, and the two ends of the U-shaped plate are respectively fixedly connected to the side surfaces of the two first cylinders. The nozzle is arranged on the inner side of the U-shaped plate and away from the two first cylinders. The nozzle faces the middle area of ​​the two clamping blocks, and the nozzle is fixedly connected to the side surface of the U-shaped plate. The water outlet pipe is arranged below the nozzle, and the upper end of the water outlet pipe is connected to the nozzle.The water storage box is a rectangular parallelepiped, and the top of the water storage box is open. The water storage box is arranged above the base, and the water storage box is arranged below the first cylinder on the right. The water storage box is fixedly connected to the upper surface of the base, and the side of the water storage box is connected to the lower end of the water outlet pipe. The water pressure plate is arranged horizontally in the water storage box, and the water pressure plate is slidably connected to the inner wall of the water storage box, and its sliding direction is arranged vertically. The guide rod is arranged vertically just above the water pressure plate, and the guide rod is arranged just below the first cylinder on the right, and the lower end of the guide rod is fixedly connected to the upper surface of the water pressure plate. The reset spring is arranged vertically on the bottom surface of the water storage box, and the lower end of the reset spring is fixedly connected to the bottom surface of the water storage box, and the reset spring is fixedly connected to the lower surface of the water pressure plate. The water inlet pipe is arranged on the side of the water storage box, and one end of the water inlet pipe is connected to the side of the water storage box. The water tank is arranged above the base, and the water tank is arranged outside the support frame on the right. The water tank is fixedly connected to the upper surface of the base, and the side of the water tank is connected to the other end of the water inlet pipe. The two one-way valves are respectively arranged in the middle of the water outlet pipe and the water inlet pipe, and the two one-way valves are respectively fixedly connected to the water outlet pipe and the water inlet pipe. The telescopic rod axis is arranged vertically, the telescopic rod is arranged below the first cylinder piston rod on the left, and the upper end of the telescopic rod is fixedly connected to the lower surface of the first cylinder piston rod on the left. The first fixed plate is arranged horizontally, perpendicular to the two support plates, the first fixed plate is arranged at the lower end of the telescopic rod, and the first fixed plate is fixedly connected to the lower end of the telescopic rod. The first tooth plate is arranged horizontally, perpendicular to the two support plates, the first tooth plate is arranged below the first fixed plate, and the first tooth plate is fixedly connected to the lower surface of the first fixed plate. The slide plate is arranged horizontally, parallel to the two support plates, the slide plate is arranged between the left support frame and the first fixed plate, one end of the slide plate is fixedly connected to the side surface of the first fixed plate, and the other end is slidably connected to the side surface of the left support frame, and its sliding direction is arranged horizontally and perpendicular to the two support plates. The axis of the first gear is arranged horizontally, parallel to the two support plates, the first gear is arranged below the first tooth plate, and the first gear is meshed with the first tooth plate. The axis of the rotating rod is arranged horizontally and coincides with the axis of the first gear. The rotating rod is arranged between the left support frame and the first gear. One end of the rotating rod is fixedly connected to the first gear, and the other end passes through the left support frame and extends to the outside of the left support frame. The axis of the second gear is arranged horizontally and coincides with the axis of the first gear. The second gear is arranged at the other end of the rotating rod, and the second gear is fixedly connected to the other end of the rotating rod. The movable plate is arranged vertically and parallel to the two support plates. The movable plate is arranged behind the second gear. The movable plate passes through the base downward. The movable plate is slidably connected to the base, and its sliding direction is arranged vertically. The second tooth plate is arranged vertically, the second tooth plate is arranged between the second gear and the movable plate, the second tooth plate is fixedly connected to the side surface of the movable plate, and the second tooth plate is meshed with the second gear. The second fixed plate is arranged horizontally, the second fixed plate is arranged above the movable plate, and the second fixed plate is fixedly connected to the upper surface of the movable plate. The two first fixed seats are symmetrically arranged above the second fixed plate, and the two first fixed seats are fixedly connected to the upper surface of the second fixed plate.Two second fixed seats are symmetrically arranged above the second fixed plate, and the two second fixed seats are arranged behind the two first fixed seats, and the two second fixed seats are fixedly connected to the upper surface of the second fixed plate. The axis of the active roller is arranged horizontally, parallel to the two support plates, and the active roller is arranged between the two first fixed seats. The left end of the active roller is rotatably connected to the inner side of the first fixed seat on the left, and its rotation axis is arranged horizontally, parallel to the two support plates. The axis of the second motor shaft is arranged horizontally, coincident with the axis of the active roller, and the second motor is arranged outside the first fixed seat on the left. The second motor shaft passes through the first fixed seat on the left to the right, and the second motor shaft is fixedly connected to the right end of the active roller. The axis of the first driven roller is arranged horizontally, parallel to the axis of the active roller, and the first driven roller is arranged between the two second fixed seats. The two ends of the first driven roller are respectively rotatably connected to the inner sides of the two second fixed seats, and its rotation axis is arranged horizontally, parallel to the two support plates. The conveying box is a rectangular parallelepiped, and the conveying box is arranged on the left side of the second fixed plate, and the conveying box is fixedly connected to the upper surface of the base. The axis of the support rod is arranged horizontally and parallel to the two support plates. The support rod is arranged directly above the active roller and the first driven roller, and one end of the support rod is fixedly connected to the side surface of the conveying box. The second driven roller is sleeved on the support rod, and the second driven roller is rotatably connected to the support rod, and its rotation axis is arranged horizontally and parallel to the two support plates. The axes of the two through holes are arranged horizontally and parallel to the two support plates, and the two through holes are symmetrically arranged on both sides of the conveying box, one end of the two through holes is connected to the outside, and the other end is connected to the inside of the conveying box. The two second cylinders are arranged vertically on the bottom surface of the conveying box and the top surface of the conveying box, respectively, and the two second cylinders are fixedly connected to the bottom surface of the conveying box and the top surface of the conveying box. The two mounting frames are arranged at one end of the piston rods of the two second cylinders, and the two mounting frames are fixedly connected to the two second cylinders. The axes of the several lower conveying rollers are arranged horizontally and perpendicular to the two support plates, and the several lower conveying rollers are evenly arranged above the lower mounting frames, and one end of the several lower conveying rollers is rotatably connected to the lower mounting frames, and their rotation axes are arranged horizontally and perpendicular to the two support plates. The axes of several upper conveying rollers are respectively arranged horizontally and perpendicular to the two support plates. Several upper conveying rollers are respectively and evenly arranged below the upper mounting frame. Several upper conveying rollers are respectively opposite to the positions of several lower conveying rollers. The two ends of several upper conveying rollers are respectively rotatably connected to the upper mounting frame. Their rotation axes are arranged horizontally and perpendicular to the two support plates. Several third motor axes are arranged horizontally and respectively coincide with the axes of several lower conveying rollers. Several third motors are respectively arranged at the other ends of several lower conveying rollers. Several third motor shafts are respectively fixedly connected to the other ends of several lower conveying rollers. Several third motors are respectively fixedly connected to the outer side of the mounting frame. The controller is arranged above the base. The controller is fixedly connected to the upper surface of the base, and is electrically connected to the two first motors, the second motor, the two first cylinders, the two second cylinders, and the several third motors.

[0006] When the required steel pipe is to be bent and rolled, the staff will pass the steel pipe to be bent and rolled through the conveying box. At this time, the staff will start the two second cylinders through the controller. The two second gas rod piston rods approach each other, driving the two mounting frames to approach each other. The two mounting frames approach each other and respectively drive the upper conveying roller and the lower conveying roller to approach each other until the steel pipe is clamped. At this time, the staff will start several third motors through the controller. The rotation of several third motors drives several lower conveying rollers to rotate respectively. The rotation of several lower conveying rollers drives the steel pipe to move to the right. At the same time, the steel pipe passes through the two waist-shaped grooves. At this time, the staff will start the two first cylinders and the second motors through the controller. At this time, the two first cylinder piston rods approach each other, driving the two clamping blocks to approach each other. At the same time, the two first cylinders approach each other and bring The telescopic rod moves to the right, and the telescopic rod moves to the right, driving the first fixed plate to move to the right, the first fixed plate moves to the right, driving the first toothed plate to move to the right, the first toothed plate moves to the right, driving the first gear to rotate, the rotation of the first gear drives the rotating rod to rotate, the rotation of the rotating rod drives the second gear to rotate, the rotation of the second gear drives the second toothed plate to move downward, the second toothed plate moves downward, drives the movable plate to move downward, the movable plate moves downward, drives the second fixed plate to move downward, the second fixed plate moves downward, drives the two first fixed seats and the two second fixed seats to move downward, and the two first fixed seats and the two second fixed seats move downward, respectively driving the active roller and the first driven roller to move downward, thereby separating the steel pipe from the active roller and the first driven roller. When the steel pipe is completely clamped, the staff The two first motors are turned on by the controller, and the rotation of the two first motors drives the two screws to rotate respectively, and the rotation of the two screws drives the two sliders to move downward respectively, and the two sliders move downward respectively and drive the two first cylinders to move downward respectively, and the two first cylinders move downward respectively and drive the two clamping blocks to move downward respectively, and the two clamping blocks move downward and drive the steel pipe to bend downward. When the steel pipe is bent to the specified position, at the same time, the two first cylinders move downward, and respectively drive the U-shaped plate and the guide rod to move downward, and the U-shaped plate moves downward and drives the nozzle to move downward, and the guide rod moves downward and drives the water pressure plate to move downward, and the water pressure plate moves downward and squeezes the water in the water storage box into the water outlet pipe, and finally flows to the nozzle, so that it is sprayed out of the nozzle, and then the steel pipe is cooled. The staff The two first cylinders and the two first motors are turned on by the controller. At this time, the two first cylinder piston rods are separated, and the separation of the two first piston rods drives the two clamping blocks to separate from each other. At the same time, the two first cylinder piston rods separate from each other and drive the telescopic rod to move left. The telescopic rod moves left and drives the first fixed plate to move left. The first fixed plate moves left and drives the first toothed plate to move left. The first toothed plate moves left and drives the first gear to rotate. The rotation of the first gear drives the rotating rod to rotate. The rotation of the rotating rod drives the second gear to rotate. The rotation of the second gear drives the second toothed plate to move upward. The second toothed plate moves upward and drives the movable plate to move upward. The movable plate moves upward and drives the second fixed plate to move upward. The second fixed plate moves upward and drives the two first fixed seats and the two second fixed seats to move upward.The two first fixed seats and the two second fixed seats move upward to drive the active roller and the first driven roller to move upward respectively, until the steel pipe is in close contact with the active roller, the first driven roller and the second driven roller. At the same time, the staff turns on the two second cylinders through the controller, and the piston rods of the two second cylinders separate from each other, driving the two mounting frames to separate from each other. The two mounting frames separate from each other and drive the upper conveying roller and the lower conveying roller to separate from each other. At this time, under the rotation of the active roller, the steel pipe also rotates accordingly. At the same time, the two first motors rotate and drive the two screws to rotate respectively. The two screws rotate and drive the two sliders to move upward respectively. The two sliders move upward and drive the two first cylinders to move upward respectively. The two first cylinders move upward and drive the two clamping blocks to move upward respectively until they return to the initial position. When they return to the initial position, the angle is just adjusted. Repeat the above operation to obtain multiple sections of continuously bent steel pipes. When the two first cylinders move upward, the water pressure plate moves upward under the action of the reset spring. The water pressure plate moves upward and drives the guide rod to move upward, so that the water in the water tank flows into the water storage box again for the next use.

[0007] Furthermore, the two clamping blocks are both semicircular.

[0008] Furthermore, it includes four universal wheels, which are respectively arranged at four corners of the base, and the four universal wheels are fixedly connected to the lower surface of the base.

[0009] Furthermore, the surface of the active roller is made of rubber material.

[0010] Furthermore, the surfaces of the lower conveying rollers are made of rubber material.

[0011] Furthermore, it comprises a tool box, which is transversely arranged in the base and transversely penetrates the side of the base.

[0012] Furthermore, the two clamping blocks are made of stainless steel.

[0013] Furthermore, the return spring is made of carbon spring steel.

[0014] Furthermore, heat dissipation holes are provided on the sides of the conveying box.

[0015] Furthermore, it includes a push handle, which is arranged on the right side of the base and is fixedly connected to the side surface of the base.

[0016] Beneficial effects of the present invention: 1. The nozzle, water outlet pipe, water storage box, water pressure plate, guide rod, return spring, water inlet pipe, water tank and two one-way valves provided in the present invention interact and support each other, so that the steel pipe can be water-cooled at all times when the steel pipe is bent, which can effectively prevent the temperature of the bent part of the steel pipe from rising, thereby causing deformation and making it impossible to guarantee the quality of the product.

[0017] 2. The present invention facilitates the transportation of the bending machine by means of four universal wheels. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view structural diagram of the steel pipe bending machine with high safety performance.

[0019] Figure 2 It is a side view structural diagram of the steel pipe bending machine with high safety performance.

[0020] Figure 3 This is a schematic diagram of the A section of the steel pipe bending machine with high safety performance.

[0021] Description of the reference numerals: 1, base; 2, support frame; 3, support plate; 4, first motor; 5, slider; 6, screw; 7, first cylinder; 8, clamping block; 9, U-shaped plate; 10, nozzle; 11, water outlet pipe; 12, water storage box; 13, water pressure plate; 14, guide rod; 15, reset spring; 16, water inlet pipe; 17, water tank; 18, one-way valve; 19, telescopic rod; 20, first fixed plate; 21, first tooth plate; 22, slide Plate; 23, first gear; 24, rotating rod; 25, second gear; 26, moving plate; 27, second gear plate; 28, second fixed plate; 29, first fixed seat; 30, second fixed seat; 31, active roller; 32, first driven roller; 33, conveying box; 34, supporting rod; 35, second driven roller; 36, second cylinder; 37, mounting frame; 38, lower conveying roller; 39, upper conveying roller; 40, universal wheel; 41, second motor. DETAILED DESCRIPTION

[0022] The concept and technical effects of the present invention will be clearly and completely described below in conjunction with embodiments to fully understand the purpose, features and effects of the present invention.

[0023] A preferred embodiment of a steel pipe bending machine with high safety performance provided by the present invention is as follows Figures 1 to 3As shown: including: base 1, two support frames 2, two waist-shaped grooves, two support plates 3, two grooves, two first motors 4, two sliders 5, two screws 6, two first cylinders 7, two clamping blocks 8, U-shaped plate 9, nozzle 10, water outlet pipe 11, water storage box 12, water pressure plate 13, guide rod 14, reset spring 15, water inlet pipe 16, water tank 17, two one-way valves 18, telescopic rod 19, first fixed plate 20, first tooth plate 21, slide plate 22, first gear 23, rotating rod 2 4. The second gear 25, the moving plate 26, the second tooth plate 27, the second fixed plate 28, the two first fixed seats 29, the two second fixed seats 30, the active roller 31, the first driven roller 32, the conveying box 33, the support rod 34, the second driven roller 35, two through holes, two second cylinders 36, two mounting frames 37, a plurality of lower conveying rollers 38, a plurality of upper conveying rollers 39, a plurality of third motors, four universal wheels 40, a tool box, a push handle, a controller, and a second motor 41. The base 1 is a rectangular parallelepiped. The two support frames 2 are respectively arranged vertically and symmetrically above the base 1, and the two support frames 2 are fixedly connected to the upper surfaces of the two bases 1. Two waist-shaped grooves are respectively arranged on the upper surfaces of the two support frames 2. The two support plates 3 are respectively arranged vertically and symmetrically above the base 1, and the symmetry axes of the two support plates 3 are perpendicular to the symmetry axes of the two support frames 2. The two support plates 3 are arranged between the two support frames 2, and the two support plates 3 are respectively fixedly connected to the upper surface of the base 1. The two grooves are respectively arranged vertically on the side surfaces of the two support plates 3, and the two grooves are respectively arranged opposite to each other. The axes of the two first motors 4 are respectively arranged vertically, and the two first motors 4 are respectively arranged above the two support plates 3. The rotating shafts of the two first motors 4 respectively penetrate the two support plates 3 downward and extend into the two grooves respectively. The two first motors 4 are respectively fixedly connected to the upper surfaces of the two support plates 3. The two sliders 5 are respectively arranged in the two grooves, and the two sliders 5 are respectively slidably connected to the two grooves, and their sliding directions are respectively arranged vertically. The two screw rods 6 are respectively arranged vertically in the two grooves, and the upper ends of the two screw rods 6 are respectively fixedly connected to the rotating shafts of the two first motors 4, and the lower ends of the two screw rods 6 respectively penetrate the two sliders 5 downward, and the two screw rods 6 are respectively threadedly connected to the two sliders 5, and the lower ends of the two screw rods 6 are respectively rotatably connected to the inner bottom surfaces of the two support plates 3, and their rotation directions are respectively arranged vertically. The axes of the two first cylinders 7 are respectively arranged horizontally and are respectively perpendicular to the two support plates 3. The two first cylinders 7 are respectively arranged on the outer sides of the two sliders 5, and the two first cylinders 7 are respectively fixedly connected to the outer sides of the two sliders 5. The two clamping blocks 8 are respectively arranged at one end of the piston rods of the two first cylinders 7, and the two clamping blocks 8 are respectively fixedly connected to one end of the piston rods of the two first cylinders 7, and the two clamping blocks 8 cooperate. The U-shaped plate 9 is arranged on the side of the two first cylinders 7, the U-shaped plate 9 faces the left side, and the two ends of the U-shaped plate 9 are respectively fixedly connected to the side surfaces of the two first cylinders 7.The nozzle 10 is arranged inside the U-shaped plate 9 and away from the two first cylinders 7. The nozzle 10 faces the middle area of ​​the two clamping blocks 8, and the nozzle 10 is fixedly connected to the side surface of the U-shaped plate 9. The water outlet pipe 11 is arranged below the nozzle 10, and the upper end of the water outlet pipe 11 is connected to the nozzle 10. The water storage box 12 is a rectangular parallelepiped, and the top of the water storage box 12 is open. The water storage box 12 is arranged above the base 1, and the water storage box 12 is arranged below the first cylinder 7 on the right. The water storage box 12 is fixedly connected to the upper surface of the base 1, and the side of the water storage box 12 is connected to the lower end of the water outlet pipe 11. The water pressure plate 13 is arranged horizontally in the water storage box 12, and the water pressure plate 13 is slidably connected to the inner wall of the water storage box 12, and its sliding direction is arranged vertically. The guide rod 14 is arranged vertically just above the water pressure plate 13, and the guide rod 14 is arranged just below the first cylinder 7 on the right, and the lower end of the guide rod 14 is fixedly connected to the upper surface of the water pressure plate 13. The return spring 15 is vertically arranged on the inner bottom surface of the water storage box 12, the lower end of the return spring 15 is fixedly connected to the inner bottom surface of the water storage box 12, and the return spring 15 is fixedly connected to the lower surface of the water pressure plate 13. The water inlet pipe 16 is arranged on the side of the water storage box 12, and one end of the water inlet pipe 16 is connected to the side of the water storage box 12. The water tank 17 is arranged above the base 1, the water tank 17 is arranged on the outside of the support frame 2 on the right, the water tank 17 is fixedly connected to the upper surface of the base 1, and the side of the water tank 17 is connected to the other end of the water inlet pipe 16. Two one-way valves 18 are respectively arranged in the middle of the water outlet pipe 11 and the water inlet pipe 16, and the two one-way valves 18 are respectively fixedly connected to the water outlet pipe 11 and the water inlet pipe 16. The axis of the telescopic rod 19 is vertically arranged, the telescopic rod 19 is arranged below the piston rod of the first cylinder 7 on the left, and the upper end of the telescopic rod 19 is fixedly connected to the lower surface of the piston rod of the first cylinder 7 on the left. The first fixed plate 20 is arranged horizontally and perpendicular to the two support plates 3. The first fixed plate 20 is arranged at the lower end of the telescopic rod 19, and the first fixed plate 20 is fixedly connected to the lower end of the telescopic rod 19. The first tooth plate 21 is arranged horizontally and perpendicular to the two support plates 3. The first tooth plate 21 is arranged below the first fixed plate 20, and the first tooth plate 21 is fixedly connected to the lower surface of the first fixed plate 20. The slide plate 22 is arranged horizontally and parallel to the two support plates 3. The slide plate 22 is arranged between the left support frame 2 and the first fixed plate 20. One end of the slide plate 22 is fixedly connected to the side surface of the first fixed plate 20, and the other end is slidably connected to the side surface of the left support frame 2. The sliding direction of the slide plate 22 is arranged horizontally and perpendicular to the two support plates 3. The axis of the first gear 23 is arranged horizontally and parallel to the two support plates 3. The first gear 23 is arranged below the first tooth plate 21, and the first gear 23 is meshed with the first tooth plate 21. The axis of the rotating rod 24 is arranged horizontally and coincides with the axis of the first gear 23. The rotating rod 24 is arranged between the left support frame 2 and the first gear 23. One end of the rotating rod 24 is fixedly connected to the first gear 23, and the other end passes through the left support frame 2 and extends to the outside of the left support frame 2. The axis of the second gear 25 is arranged horizontally and coincides with the axis of the first gear 23. The second gear 25 is arranged at the other end of the rotating rod 24, and the second gear 25 is fixedly connected to the other end of the rotating rod 24.The movable plate 26 is arranged vertically, parallel to the two support plates 3, and is arranged behind the second gear 25. The movable plate 26 passes through the base 1 downward, and the movable plate 26 is slidably connected to the base 1, and its sliding direction is arranged vertically. The second tooth plate 27 is arranged vertically, and the second tooth plate 27 is arranged between the second gear 25 and the movable plate 26. The second tooth plate 27 is fixedly connected to the side surface of the movable plate 26, and the second tooth plate 27 is meshed with the second gear 25. The second fixed plate 28 is arranged horizontally, and the second fixed plate 28 is arranged above the movable plate 26, and the second fixed plate 28 is fixedly connected to the upper surface of the movable plate 26. Two first fixed seats 29 are symmetrically arranged above the second fixed plate 28, and the two first fixed seats 29 are fixedly connected to the upper surface of the second fixed plate 28. Two second fixed seats 30 are symmetrically arranged above the second fixed plate 28, and the two second fixed seats 30 are arranged behind the two first fixed seats 29, and the two second fixed seats 30 are fixedly connected to the upper surface of the second fixed plate 28. The axis of the active roller 31 is arranged horizontally and parallel to the two support plates 3. The active roller 31 is arranged between the two first fixed seats 29. The left end of the active roller 31 is rotatably connected to the inner side of the first fixed seat 29 on the left. Its rotation axis is arranged horizontally and parallel to the two support plates 3. The axis of the second motor 41 shaft is arranged horizontally and coincides with the axis of the active roller 31. The second motor 41 is arranged outside the first fixed seat 29 on the left. The rotation axis of the second motor 41 passes through the first fixed seat 29 on the left to the right. The rotation axis of the second motor 41 is fixedly connected to the right end of the active roller 31. The axis of the first driven roller 32 is arranged horizontally and parallel to the axis of the active roller 31. The first driven roller 32 is arranged between the two second fixed seats 30. The two ends of the first driven roller 32 are respectively rotatably connected to the inner side of the two second fixed seats 30. Its rotation axis is arranged horizontally and parallel to the two support plates 3. The conveying box 33 is a rectangular parallelepiped. The conveying box 33 is arranged on the left side of the second fixed plate 28. The conveying box 33 is fixedly connected to the upper surface of the base 1. The axis of the support rod 34 is arranged horizontally and parallel to the two support plates 3. The support rod 34 is arranged directly above the active roller 31 and the first driven roller 32. One end of the support rod 34 is fixedly connected to the side surface of the conveying box 33. The second driven roller 35 is sleeved on the support rod 34. The second driven roller 35 is rotatably connected to the support rod 34. Its rotation axis is arranged horizontally and parallel to the two support plates 3. The axes of the two through holes are arranged horizontally and parallel to the two support plates 3. The two through holes are symmetrically arranged on both sides of the conveying box 33. One end of the two through holes is connected to the outside respectively, and the other end is connected to the inside of the conveying box 33 respectively. The two second cylinders 36 are respectively arranged vertically on the bottom surface of the conveying box 33 and the top surface of the conveying box 33. The two second cylinders 36 are respectively fixedly connected to the bottom surface of the conveying box 33 and the top surface of the conveying box 33. The two mounting brackets 37 are respectively arranged at one end of the piston rod of the two second cylinders 36. The two mounting brackets 37 are respectively fixedly connected to the two second cylinders 36.The axes of the lower conveying rollers 38 are respectively arranged transversely and perpendicular to the two support plates 3. The lower conveying rollers 38 are respectively and evenly arranged above the lower mounting frame 37. One ends of the lower conveying rollers 38 are respectively rotatably connected to the lower mounting frame 37. The rotation axes are arranged transversely and perpendicular to the two support plates 3. The axes of the upper conveying rollers 39 are respectively arranged transversely and perpendicular to the two support plates 3. The upper conveying rollers 39 are respectively and evenly arranged below the upper mounting frame 37. The upper conveying rollers 39 are respectively opposite to the lower conveying rollers 38. Both ends of the upper conveying rollers 39 are respectively and rotatably connected to the upper mounting frame 37. The rotation axes are arranged transversely and perpendicular to the two support plates 3. The axes of the third motors are arranged transversely and coincide with the axes of the lower conveying rollers 38. The third motors are respectively arranged at the other ends of the lower conveying rollers 38. The rotating shafts of the third motors are respectively and fixedly connected to the other ends of the lower conveying rollers 38. The third motors are respectively and fixedly connected to the outer side surfaces of the mounting frame 37. The controller is arranged above the base 1, and is fixedly connected to the upper surface of the base 1, and is electrically connected to the two first motors 4, the second motor 41, the two first cylinders 7, the two second cylinders 36, and a plurality of third motors.

[0024] When the required steel pipe is to be bent, the staff will pass the steel pipe to be bent through the conveying box 33. At this time, the staff will turn on the two second cylinders 36 through the controller. The two second gas rod piston rods approach each other and drive the two mounting frames 37 to approach each other. The two mounting frames 37 approach each other and respectively drive the upper conveying roller 39 and the lower conveying roller 38 to approach each other until the steel pipe is clamped. At this time, the staff will turn on several third motors through the controller. The rotation of several third motors drives several lower conveying rollers 38 to rotate respectively. The rotation of several lower conveying rollers 38 drives the steel pipe to move to the right. At the same time, the steel pipe passes through the two waist-shaped grooves. At this time, the staff will turn on the two first cylinders 7 and the second motor 41 through the controller. At this time, the two first cylinders 7 piston rods approach each other, driving the two The two clamping blocks 8 are close to each other, and at the same time, the two first cylinders 7 are close to each other to drive the telescopic rod 19 to move right, and the telescopic rod 19 moves to the right and drives the first fixed plate 20 to move to the right, and the first fixed plate 20 moves to the right and drives the first toothed plate 21 to move to the right, and the first toothed plate 21 moves to the right and drives the first gear 23 to rotate, and the rotation of the first gear 23 drives the rotating rod 24 to rotate, and the rotation of the rotating rod 24 drives the second gear 25 to rotate, and the rotation of the second gear 25 drives the second toothed plate 27 to move downward, and the second toothed plate 27 moves downward and drives the movable plate 26 to move downward, and the movable plate 26 moves downward and drives the second fixed plate 28 to move downward, and the second fixed plate 28 moves downward and drives the two first fixed seats 29 and the two second fixed seats 30 to move downward, and the two first fixed seats 29 and the two second fixed seats 30 move downward. The seat 29 and the two second fixed seats 30 move downward and respectively drive the active roller 31 and the first driven roller 32 to move downward, so that the steel pipe is separated from the active roller 31 and the first driven roller 32. When the steel pipe is completely clamped, the staff turns on the two first motors 4 through the controller. The rotation of the two first motors 4 drives the two screws 6 to rotate respectively. The rotation of the two screws 6 drives the two sliders 5 to move downward respectively. The two sliders 5 move downward and respectively drive the two first cylinders 7 to move downward. The two first cylinders 7 move downward and respectively drive the two clamping blocks 8 to move downward. The two clamping blocks 8 move downward and drive the steel pipe to bend downward. When the steel pipe is bent to the specified position, at the same time, the two first cylinders 7 move downward, respectively driving the U-shaped plate 9 and the guide The rod 14 moves downward, the U-shaped plate 9 moves downward, driving the nozzle 10 to move downward, the guide rod 14 moves downward, driving the water pressure plate 13 to move downward, the water pressure plate 13 moves downward and squeezes the water in the water storage box 12 into the water outlet pipe 11, and finally flows to the nozzle 10, so that the water is sprayed out of the nozzle 10, and then the steel pipe is cooled. The staff turns on the two first cylinders 7 and the two first motors 4 through the controller. At this time, the piston rods of the two first cylinders 7 are separated, and the two first piston rods are separated to drive the two clamping blocks 8 to separate from each other. At the same time, the piston rods of the two first cylinders 7 are separated from each other to drive the telescopic rod 19 to move left, the telescopic rod 19 moves left to drive the first fixed plate 20 to move left, and the first fixed plate 20 moves left to drive the first toothed plate 21 to move left.The first toothed plate 21 moves leftward and drives the first gear 23 to rotate. The rotation of the first gear 23 drives the rotating rod 24 to rotate. The rotation of the rotating rod 24 drives the second gear 25 to rotate. The rotation of the second gear 25 drives the second toothed plate 27 to move upward. The second toothed plate 27 moves upward and drives the movable plate 26 to move upward. The movable plate 26 moves upward and drives the second fixed plate 28 to move upward. The second fixed plate 28 moves upward and drives the two first fixed seats 29 and the two second fixed seats 30 to move upward. The two first fixed seats 29 and the two second fixed seats 30 move upward and respectively drive the active roller 31 and the first driven roller 32 to move upward until the steel pipe is in close contact with the active roller 31, the first driven roller 32 and the second driven roller 35. At the same time, the staff turns on the two second cylinders 36 through the controller. The piston rods of the two second cylinders 36 separate from each other, driving the two mounting frames 37 to separate from each other. The two mounting frames 37 separate from each other and respectively drive the upper conveying roller 39 and the lower conveying roller 38 to separate from each other. At this time, under the rotation of the active roller 31, the steel pipe also rotates accordingly. At the same time, the two first motors 4 rotate and respectively drive the two screw rods 6 to rotate. The two screw rods 6 rotate and respectively drive the two sliders 5 to move upward. The two sliders 5 move upward and respectively drive the two first cylinders 7 to move upward. The two first cylinders 7 move upward and respectively drive the two clamping blocks 8 to move upward until they return to the initial position. When they return to the initial position, the angle is just adjusted. Repeat the above operation to obtain multiple sections of continuously bent steel pipes. When the two first cylinders 7 move upward, the water pressure plate 13 moves upward under the action of the reset spring 15. The water pressure plate 13 moves upward and drives the guide rod 14 to move upward, so that the water in the water tank 17 flows into the water storage box 12 again for next use.

[0025] The two clamping blocks 8 are both semicircular.

[0026] It includes four universal wheels 40 , which are respectively arranged at four corners of the base 1 , and the four universal wheels 40 are fixedly connected to the lower surface of the base 1 .

[0027] The surface of the active roller 31 is made of rubber material.

[0028] The surfaces of the lower conveying rollers 38 are made of rubber material.

[0029] The utility model comprises a tool box, which is transversely arranged in the base 1 and runs through the side of the base 1 transversely.

[0030] The two clamping blocks 8 are made of stainless steel.

[0031] The return spring 15 is made of carbon spring steel.

[0032] The side of the conveying box 33 is provided with heat dissipation holes.

[0033] It includes a push handle, which is arranged on the right side of the base 1 and is fixedly connected to the side surface of the base 1.

[0034] Working process: when the required steel pipe is to be bent, the staff will pass the steel pipe to be bent through the conveying box 33. At this time, the staff will start the two second cylinders 36 through the controller. The two second gas rod piston rods approach each other and drive the two mounting frames 37 to approach each other. The two mounting frames 37 approach each other and respectively drive the upper conveying roller 39 and the lower conveying roller 38 to approach each other until the steel pipe is clamped. At this time, the staff will start several third motors through the controller. The rotation of several third motors will drive several lower conveying rollers 38 to rotate respectively. The rotation of several lower conveying rollers 38 drives the steel pipe to move to the right. At the same time, the steel pipe passes through two waist-shaped grooves. At this time, the staff will start the two first cylinders 7 and the second motor 41 through the controller. At this time, the piston rods of the two first cylinders 7 approach each other. , driving the two clamping blocks 8 to approach each other, and at the same time, the two first cylinders 7 approach each other to drive the telescopic rod 19 to move right, the telescopic rod 19 moves to the right and drives the first fixed plate 20 to move to the right, the first fixed plate 20 moves to the right and drives the first toothed plate 21 to move to the right, the first toothed plate 21 moves to the right and drives the first gear 23 to rotate, the first gear 23 rotates and drives the rotating rod 24 to rotate, the rotating rod 24 rotates and drives the second gear 25 to rotate, the second gear 25 rotates and drives the second toothed plate 27 to move downward, the second toothed plate 27 moves downward and drives the movable plate 26 to move downward, the movable plate 26 moves downward and drives the second fixed plate 28 to move downward, the second fixed plate 28 moves downward and drives the two first fixed seats 29 and the two second fixed seats 30 to move downward, and the two first fixed seats 29 and the two second fixed seats 30 move downward. A fixed seat 29 and two second fixed seats 30 move downward and respectively drive the active roller 31 and the first driven roller 32 to move downward, so that the steel pipe is separated from the active roller 31 and the first driven roller 32. When the steel pipe is completely clamped, the staff turns on the two first motors 4 through the controller. The rotation of the two first motors 4 drives the two screws 6 to rotate respectively. The rotation of the two screws 6 drives the two sliders 5 to move downward respectively. The two sliders 5 move downward and respectively drive the two first cylinders 7 to move downward. The two first cylinders 7 move downward and respectively drive the two clamping blocks 8 to move downward. The two clamping blocks 8 move downward and drive the steel pipe to bend downward. When the steel pipe is bent to the specified position, at the same time, the two first cylinders 7 move downward, respectively driving the U-shaped plate 9 and the guide plate 9. The guide rod 14 moves downward, the U-shaped plate 9 moves downward, driving the nozzle 10 to move downward, the guide rod 14 moves downward, driving the water pressure plate 13 to move downward, the water pressure plate 13 moves downward and squeezes the water in the water storage box 12 into the water outlet pipe 11, and finally flows to the nozzle 10, so that the water is sprayed out of the nozzle 10, and then the steel pipe is cooled. The staff turns on the two first cylinders 7 and the two first motors 4 through the controller. At this time, the piston rods of the two first cylinders 7 are separated, and the two first piston rods are separated to drive the two clamping blocks 8 to separate from each other. At the same time, the piston rods of the two first cylinders 7 are separated from each other to drive the telescopic rod 19 to move left, the telescopic rod 19 moves left to drive the first fixed plate 20 to move left, and the first fixed plate 20 moves left to drive the first toothed plate 21 to move left.The first toothed plate 21 moves leftward and drives the first gear 23 to rotate. The rotation of the first gear 23 drives the rotating rod 24 to rotate. The rotation of the rotating rod 24 drives the second gear 25 to rotate. The rotation of the second gear 25 drives the second toothed plate 27 to move upward. The second toothed plate 27 moves upward and drives the movable plate 26 to move upward. The movable plate 26 moves upward and drives the second fixed plate 28 to move upward. The second fixed plate 28 moves upward and drives the two first fixed seats 29 and the two second fixed seats 30 to move upward. The two first fixed seats 29 and the two second fixed seats 30 move upward and respectively drive the active roller 31 and the first driven roller 32 to move upward until the steel pipe is in close contact with the active roller 31, the first driven roller 32 and the second driven roller 35. At the same time, the staff turns on the two second cylinders 36 through the controller. The piston rods of the two second cylinders 36 separate from each other, driving the two mounting frames 37 to separate from each other. The two mounting frames 37 separate from each other and respectively drive the upper conveying roller 39 and the lower conveying roller 38 to separate from each other. At this time, under the rotation of the active roller 31, the steel pipe also rotates accordingly. At the same time, the two first motors 4 rotate and respectively drive the two screw rods 6 to rotate. The two screw rods 6 rotate and respectively drive the two sliders 5 to move upward. The two sliders 5 move upward and respectively drive the two first cylinders 7 to move upward. The two first cylinders 7 move upward and respectively drive the two clamping blocks 8 to move upward until they return to the initial position. When they return to the initial position, the angle is just adjusted. Repeat the above operation to obtain multiple sections of continuously bent steel pipes. When the two first cylinders 7 move upward, the water pressure plate 13 moves upward under the action of the reset spring 15. The water pressure plate 13 moves upward and drives the guide rod 14 to move upward, so that the water in the water tank 17 flows into the water storage box 12 again for next use.

[0035] The above embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative work shall all fall within the scope of protection of the present invention.

Claims

1. A steel pipe bending machine with high safety performance, characterized in that: include: Base (1), two support frames (2), two waist-shaped grooves, two support plates (3), two grooves, two first motors (4), two sliders (5), two screw rods (6), two first cylinders (7), two clamping blocks (8), U-shaped plate (9), nozzle (10), water outlet pipe (11), water storage box (12), water pressure plate (13), guide rod (14), reset spring (15), water inlet pipe (16), water tank (17), two one-way valves (18), telescopic rod (19), first fixed plate (20), first tooth plate (21), slide plate (22), first gear (23), rotating rod (24), second gear (25), moving plate (26), second tooth plate (27), second fixed plate (28), Two first fixed seats (29), two second fixed seats (30), an active roller (31), a first driven roller (32), a conveying box (33), a support rod (34), a second driven roller (35), two through holes, two second cylinders (36), two mounting frames (37), a plurality of lower conveying rollers (38), a plurality of upper conveying rollers (39), a plurality of third motors, four universal wheels (40), a tool box, a push handle, a second motor (41), and a controller. The base (1) is a rectangular parallelepiped; the two support frames (2) are respectively vertically symmetrically arranged above the base (1); the two support frames (2) are fixedly connected to the upper surfaces of the two bases (1); the two waist-shaped grooves are respectively arranged on the two support frames (2). surface; the two support plates (3) are respectively arranged vertically and symmetrically above the base (1); the symmetry axes of the two support plates (3) are perpendicular to the symmetry axes of the two support frames (2); the two support plates (3) are arranged between the two support frames (2); the two support plates (3) are respectively fixedly connected to the upper surface of the base (1); the two grooves are respectively arranged vertically on the side surfaces of the two support plates (3); the two grooves are respectively arranged opposite to each other; the axes of the two first motors (4) are respectively arranged vertically; the two first motors (4) are respectively arranged above the two support plates (3); the rotating shafts of the two first motors (4) respectively penetrate downward through the two support plates (3) and extend to the two In the groove, the two first motors (4) are respectively fixedly connected to the upper surfaces of the two support plates (3); the two sliders (5) are respectively arranged in the two grooves, and the two sliders (5) are respectively slidably connected to the two grooves, and their sliding directions are respectively arranged vertically; the two screw rods (6) are respectively arranged vertically in the two grooves, the upper ends of the two screw rods (6) are respectively fixedly connected to the rotating shafts of the two first motors (4), and the lower ends of the two screw rods (6) respectively penetrate the two sliders (5) downward, the two screw rods (6) are respectively threadedly connected to the two sliders (5), and the lower ends of the two screw rods (6) are respectively rotatably connected to the inner bottom surfaces of the two support plates (3), and their rotation directions are respectively arranged vertically;The axes of the two first cylinders (7) are respectively arranged horizontally and are respectively perpendicular to the two support plates (3); the two first cylinders (7) are respectively arranged on the outer sides of the two sliders (5); the two first cylinders (7) are respectively fixedly connected to the outer sides of the two sliders (5); the two clamping blocks (8) are respectively arranged at one end of the piston rods of the two first cylinders (7) opposite to each other; the two clamping blocks (8) are respectively fixedly connected to one end of the piston rods of the two first cylinders (7); the two clamping blocks (8) cooperate with each other; the U-shaped plate (9) is arranged on the side of the two first cylinders (7); the U-shaped plate (9) faces the left side; the two ends of the U-shaped plate (9) are respectively connected to the two first cylinders (7); The nozzle (10) is arranged on the inner side of the U-shaped plate (9) and away from the two first cylinders (7). The nozzle (10) faces the middle area of ​​the two clamping blocks (8). The nozzle (10) is fixedly connected to the side surface of the U-shaped plate (9). The water outlet pipe (11) is arranged below the nozzle (10). The upper end of the water outlet pipe (11) is connected to the nozzle (10). The water storage box (12) is a rectangular parallelepiped. The top of the water storage box (12) is open. The water storage box (12) is arranged above the base (1). The water storage box (12) is arranged below the first cylinder (7) on the right. The water storage box (12) is fixed to the upper surface of the base (1). The side of the water storage box (12) is connected with the lower end of the water outlet pipe (11); the water pressure plate (13) is horizontally arranged in the water storage box (12), and the water pressure plate (13) is slidably connected with the inner wall of the water storage box (12), and its sliding direction is arranged vertically; the guide rod (14) is vertically arranged just above the water pressure plate (13), and the guide rod (14) is arranged just below the first cylinder (7) on the right, and the lower end of the guide rod (14) is fixedly connected to the upper surface of the water pressure plate (13); the reset spring (15) is vertically arranged on the inner bottom surface of the water storage box (12), and the lower end of the reset spring (15) is fixedly connected to the inner bottom surface of the water storage box (12), and the reset spring (15) is vertically arranged on the inner bottom surface of the water storage box (12). 5) is fixedly connected to the lower surface of the water pressure plate (13); the water inlet pipe (16) is arranged on the side of the water storage box (12), and one end of the water inlet pipe (16) is communicated with the side of the water storage box (12); the water tank (17) is arranged above the base (1), the water tank (17) is arranged on the outside of the support frame (2) on the right, the water tank (17) is fixedly connected to the upper surface of the base (1), and the side of the water tank (17) is communicated with the other end of the water inlet pipe (16); the two one-way valves (18) are respectively arranged in the middle of the water outlet pipe (11) and the water inlet pipe (16), and the two one-way valves (18) are respectively fixedly connected to the water outlet pipe (11) and the water inlet pipe (16);The telescopic rod (19) is arranged vertically along its axis, the telescopic rod (19) is arranged below the piston rod of the first cylinder (7) on the left, and the upper end of the telescopic rod (19) is fixedly connected to the lower surface of the piston rod of the first cylinder (7) on the left; the first fixing plate (20) is arranged horizontally and perpendicular to the two support plates (3); the first fixing plate (20) is arranged at the lower end of the telescopic rod (19), and the first fixing plate (20) is fixedly connected to the lower end of the telescopic rod (19); the first tooth plate (21) is arranged horizontally and perpendicular to the two support plates (3); the first tooth plate (21) is arranged below the first fixing plate (20), and the first tooth plate (21) is connected to the first fixing plate ( 20) is fixedly connected to the lower surface; the slide plate (22) is arranged horizontally and parallel to the two support plates (3), and the slide plate (22) is arranged between the left support frame (2) and the first fixed plate (20), one end of the slide plate (22) is fixedly connected to the side surface of the first fixed plate (20), and the other end is slidably connected to the side surface of the left support frame (2), and its sliding direction is arranged horizontally and perpendicular to the two support plates (3); the axis of the first gear (23) is arranged horizontally and parallel to the two support plates (3), and the first gear (23) is arranged below the first tooth plate (21), and the first gear (23) is meshed with the first tooth plate (21); the rotating rod (24) The axis is arranged horizontally and coincides with the axis of the first gear (23); the rotating rod (24) is arranged between the left support frame (2) and the first gear (23); one end of the rotating rod (24) is fixedly connected to the first gear (23); the other end passes through the left support frame (2) and extends to the outside of the left support frame (2); the axis of the second gear (25) is arranged horizontally and coincides with the axis of the first gear (23); the second gear (25) is arranged at the other end of the rotating rod (24); the second gear (25) is fixedly connected to the other end of the rotating rod (24); the movable plate (26) is arranged vertically and parallel to the two support plates (3); the movable plate (26) The movable plate (26) is arranged behind the second gear (25), and passes through the base (1) downwardly. The movable plate (26) is slidably connected to the base (1), and its sliding direction is arranged vertically; the second tooth plate (27) is arranged vertically, and the second tooth plate (27) is arranged between the second gear (25) and the movable plate (26), and the second tooth plate (27) is fixedly connected to the side surface of the movable plate (26), and the second tooth plate (27) is meshed with the second gear (25); the second fixed plate (28) is arranged horizontally, and the second fixed plate (28) is arranged above the movable plate (26), and the second fixed plate (28) is fixedly connected to the upper surface of the movable plate (26);The two first fixing seats (29) are symmetrically arranged above the second fixing plate (28), and the two first fixing seats (29) are fixedly connected to the upper surface of the second fixing plate (28); the two second fixing seats (30) are symmetrically arranged above the second fixing plate (28), and the two second fixing seats (30) are arranged behind the two first fixing seats (29), and the two second fixing seats (30) are fixedly connected to the upper surface of the second fixing plate (28); the axis of the active roller (31) is arranged horizontally and parallel to the two support plates (3), the active roller (31) is arranged between the two first fixing seats (29), and the left end of the active roller (31) is connected to the left side of the active roller (31). The inner side of the first fixed seat (29) is rotatably connected, and its rotation axis is horizontally arranged and parallel to the two support plates (3); the axis of the second motor (41) is horizontally arranged and coincides with the axis of the active roller (31), and the second motor (41) is arranged on the outer side of the first fixed seat (29) on the left, and the rotation axis of the second motor (41) passes through the first fixed seat (29) on the left to the right, and the rotation axis of the second motor (41) is fixedly connected to the right end of the active roller (31); the axis of the first driven roller (32) is horizontally arranged and parallel to the axis of the active roller (31), and the first driven roller (32) is arranged between the two second fixed seats (30), and the first driven roller ( The two ends of the second fixed seat (32) are respectively rotatably connected to the inner side surfaces of the two second fixed seats (30), and the rotation axis is arranged horizontally and parallel to the two support plates (3); the conveying box (33) is a rectangular parallelepiped, and the conveying box (33) is arranged on the left side of the second fixed plate (28), and the conveying box (33) is fixedly connected to the upper surface of the base (1); the axis of the support rod (34) is arranged horizontally and parallel to the two support plates (3), and the support rod (34) is arranged directly above the active roller (31) and the first driven roller (32), and one end of the support rod (34) is fixedly connected to the side surface of the conveying box (33); the second driven roller (35) is sleeved on the support rod (34) On the upper part, the second driven roller (35) is rotatably connected to the support rod (34), and its rotation axis is horizontally arranged and parallel to the two support plates (3); the axes of the two through holes are respectively horizontally arranged and parallel to the two support plates (3), and the two through holes are symmetrically arranged on both sides of the conveying box (33), one end of the two through holes is respectively connected to the outside, and the other end is respectively connected to the inside of the conveying box (33); the two second cylinders (36) are respectively vertically arranged on the bottom surface of the conveying box (33) and the top surface of the conveying box (33), and the two second cylinders (36) are respectively fixedly connected to the bottom surface of the conveying box (33) and the top surface of the conveying box (33);The two mounting frames (37) are respectively arranged at one end of the piston rod of the two second cylinders (36), and the two mounting frames (37) are respectively fixedly connected to the two second cylinders (36); the axes of the plurality of lower conveying rollers (38) are respectively arranged transversely and perpendicular to the two support plates (3); the plurality of lower conveying rollers (38) are respectively evenly arranged above the lower mounting frame (37); one end of the plurality of lower conveying rollers (38) are respectively rotatably connected to the lower mounting frame (37), and the rotation axes thereof are respectively arranged transversely and perpendicular to the two support plates (3); the axes of the plurality of upper conveying rollers (39) are respectively arranged transversely and perpendicular to the two support plates (3); the plurality of upper conveying rollers (39) are respectively evenly arranged below the upper mounting frame (37); the plurality of upper conveying rollers (39) are respectively opposite to the plurality of lower conveying rollers (38); The two ends of the upper conveying roller (39) are respectively rotatably connected to the upper mounting frame (37), and the rotation axis thereof is arranged horizontally and perpendicular to the two support plates (3); the axes of the plurality of third motors are arranged horizontally and respectively coincide with the axes of the plurality of lower conveying rollers (38); the plurality of third motors are respectively arranged at the other ends of the plurality of lower conveying rollers; the rotating shafts of the plurality of third motors are respectively fixedly connected to the other ends of the plurality of lower conveying rollers (38); the plurality of third motors are respectively fixedly connected to the outer side surfaces of the mounting frame (37); the controller is arranged above the base (1), the controller is fixedly connected to the upper surface of the base (1), and is electrically connected to the two first motors (4), the second motor (41), the two first cylinders (7), the two second cylinders (36), and the plurality of third motors. ; 2. A steel pipe bending machine with high safety performance according to claim 1, characterized in that: The two clamping blocks (8) are both semicircular.

3. A steel pipe bending machine with high safety performance according to claim 1, characterized in that: It comprises four universal wheels (40), which are respectively arranged at four corners of the base (1), and the four universal wheels (40) are fixedly connected to the lower surface of the base (1).

4. A steel pipe bending machine with high safety performance according to claim 1, characterized in that: The surface of the active roller (31) is made of rubber material.

5. A steel pipe bending machine with high safety performance according to claim 1, characterized in that: The surfaces of the lower conveying rollers (38) are made of rubber material.

6. A steel pipe bending machine with high safety performance according to claim 1, characterized in that: The tool box comprises the tool box, which is arranged transversely in the base (1), and the tool box transversely penetrates the side of the base (1).

7. A steel pipe bending machine with high safety performance according to claim 1, characterized in that: The two clamping blocks (8) are made of stainless steel.

8. A steel pipe bending machine with high safety performance according to claim 1, characterized in that: The return spring (15) is made of carbon spring steel.

9. A steel pipe bending machine with high safety performance according to claim 1, characterized in that: The side of the conveying box (33) is provided with heat dissipation holes.

10. A steel pipe bending machine with high safety performance according to claim 1, characterized in that: It comprises a push handle, which is arranged on the right side of the base (1) and is fixedly connected to the side surface of the base (1).

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