Multifunctional steel pipe derusting machine

Abstract

The invention discloses a multifunctional steel pipe derusting machine which comprises a rack, a steel pipe guiding module arranged on the rack, a driving motor, a two-stage speed reducer, two steel pipe driving derusting modules and a distance adjusting module. The steel pipe guiding module and the two steel pipe driving rust removal modules are sequentially arranged from front to back in the extending direction of a steel pipe, the steel pipe guiding module clamps and guides the steel pipe, and the driving motor drives driving rollers of the two steel pipe driving rust removal modules to rotate through the two-stage speed reducer. And meanwhile, the derusting rollers of the two steel pipe driving derusting modules conduct derusting operation, the two steel pipe driving derusting modules are both connected with the distance adjusting module, and the distance adjusting module is used for adjusting the distance between the two driving rollers of each steel pipe driving derusting module and the position of the derusting roller. The steel pipe derusting device can perform automatic derusting operation on steel pipes with different diameters and different lengths, and is high in derusting efficiency and good in derusting effect.

Description

Technical Field

[0001] The invention relates to the technical field of automated high-end equipment, in particular to a multifunctional steel pipe rust remover. Background Art

[0002] As an important material in chemical, metallurgical, and mechanical manufacturing operations, the utilization rate of steel pipes is constantly increasing. In particular, with the improvement of my country's mechanical processing technology in recent years, the number of steel pipe exports has greatly increased, the requirements for quality have become higher and higher, and the production and processing volume of steel pipes has also increased. Since steel pipes are mostly stored in the open air during use, they are oxidized and corroded by the air before use, resulting in varying degrees of rust, which cannot meet the use requirements in the project. At the same time, the service life and strength will be greatly reduced, affecting the normal operation of the steel pipe, restricting production efficiency, and increasing production costs. Therefore, before the subsequent processing, painting, chrome plating, galvanizing, etc., it is necessary to remove the oxidized substances on the surface of the steel pipe.

[0003] At present, the rust removal of steel pipes is generally done manually or chemically. Manual rust removal is a process in which operators knock and scrape off large pieces of rust on the steel pipe with a knife, and then manually polish the surface of the steel pipe. The rust removal efficiency is very low, while the overall cost of chemical rust removal is high, and cleaning and drying processes are required, which increases the complexity of rust removal. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a multifunctional steel pipe rust removal machine which can automatically remove rust from steel pipes of different diameters and lengths, and has high rust removal efficiency and good rust removal effect.

[0005] The technical solution of the present invention is:

[0006] A multifunctional steel pipe rust removal machine comprises a frame, a steel pipe guide module, a driving motor, a secondary reducer, two steel pipe drive rust removal modules and a distance adjustment module arranged on the frame; the steel pipe guide module and the two steel pipe drive rust removal modules are arranged in sequence from front to back along the extension direction of the steel pipe, and the two steel pipe drive rust removal modules are connected to the distance adjustment module;

[0007] The steel pipe guide module includes a vertically arranged rectangular frame and a steel pipe clamp connected to the rectangular frame. The two vertical longitudinal beams of the rectangular frame are each provided with a steel pipe through-hole, and the two steel pipe through-holes overlap each other. The steel pipe clamp includes two hinged seats, four springs, four sliders, eight hinged inner rods, eight hinged outer rods and four groups of clamping rollers. The two hinged seats are respectively fixedly connected to the center positions of the inner top surface and the inner bottom surface of the rectangular frame. Two slide grooves are respectively provided on the inner top surface and the inner bottom surface of the rectangular frame. Each hinged seat is located between two corresponding slide grooves. The four sliders are respectively embedded in the four slide grooves one by one. Each slider is fixedly connected with a horizontal connecting rod, and the horizontal connecting rod is perpendicular to the horizontal beam of the rectangular frame. , four springs are parallel to the horizontal beam of the rectangular frame, the inner ends of the four springs are connected to the four sliders one by one, the outer ends of the four springs are fixedly connected to the top or bottom of the vertical longitudinal beam of the rectangular frame, the outer ends of the eight hinged outer rods are hinged to the two ends of the four horizontal connecting rods one by one, the inner ends of the eight hinged outer rods and the inner ends of the eight hinged inner rods are hinged to each other through four hinge shafts, the hinge shafts and the horizontal connecting rods are parallel to each other, among the eight hinged inner rods and the eight hinged outer rods, the inner end of each hinged inner rod and the inner end of each hinged outer rod are hinged to one end of a corresponding hinge shaft, the outer ends of the eight hinged inner rods are hinged to two hinge seats, and the four groups of clamping rollers are rotatably connected to the four hinge shafts respectively;

[0008] The input shaft of the secondary reducer is connected to the driving motor, and the two output shafts of the secondary reducer are respectively connected to two steel pipe driven rust removal modules, each group of steel pipe driven rust removal modules includes a belt transmission pair, a transmission main shaft, an upper driven shaft, a lower driven shaft, a connecting rod shaft, two groups of pulley transmission pairs, two driving rollers and a rust removal roller, the transmission main shaft, the upper driven shaft, the lower driven shaft and the connecting rod shaft are all arranged horizontally and parallel to each other, when the steel pipe passes through the steel pipe guide module to realize positioning and guiding, the transmission main shaft, the upper driven shaft, the lower driven shaft and the connecting rod shaft form an acute angle with the axis of the steel pipe, and the transmission main shaft is driven by the belt The driving pair is connected to an output shaft of the secondary reducer, the horizontal height of the upper driven shaft is higher than the horizontal height of the lower driven shaft, the upper driven shaft and the lower driven shaft are connected to the transmission main shaft through a corresponding set of pulley driving pairs, the connecting rod shaft and the upper driven shaft are set at the same horizontal height and are located on the side of the upper driven shaft, the connecting rod shaft and the upper driven shaft are connected through the upper connecting rod of the pitch adjustment module, the two ends of the upper connecting rod are respectively hinged to the inner end of the connecting rod shaft and the upper driven shaft, the two driving rollers are respectively fixedly connected to the outer ends of the upper driven shaft and the lower driven shaft, and the rust removal roller is fixedly connected to the outer end of the connecting rod shaft;

[0009] The pitch adjustment module includes an operating handle, a lead screw, a lead screw nut, a push rod and two sets of adjusting connecting rods. The lead screw is arranged horizontally, the operating handle is fixedly connected to one end of the lead screw, the other end of the lead screw is set on the frame and is rotatably connected to the frame, the lead screw nut is connected to the lead screw, the push rod is parallel to the axis of the steel pipe after positioning and guiding, the middle part of the push rod is fixedly connected to the lead screw nut, the two sets of adjusting connecting rods are respectively hinged on the two ends of the push rod, and each set of adjusting connecting rods is connected to a corresponding set of steel pipe drive rust removal modules. The joint connecting rods include an upper connecting rod, a lower connecting rod, a left connecting rod, a middle connecting rod, a right connecting rod, an active connecting rod and a driven connecting rod. The left end of the lower connecting rod and the bottom end of the left connecting rod are hinged to one end of the push rod, the top end of the left connecting rod and the left end of the upper connecting rod are hinged to the inner end of the connecting rod shaft, the right end of the lower connecting rod, the bottom end of the middle connecting rod and the left end of the driven connecting rod are hinged to each other, the right end of the upper connecting rod, the top end of the middle connecting rod and the left end of the active connecting rod are hinged to the upper driven shaft, and the right end of the active connecting rod and the top end of the right connecting rod are hinged to the transmission main shaft The bottom end of the right connecting rod and the right end of the driven connecting rod are both hinged on the lower driven shaft. The two end frames of the transmission main shaft are set on the frame and are rotatably connected with the frame. The frame is provided with an upper waist-shaped guide hole and a lower waist-shaped guide hole. The shortest distance from any point on the axis of the upper waist-shaped guide hole to the transmission main shaft is equal, and the shortest distance from any point on the axis of the lower waist-shaped guide hole to the transmission main shaft is equal. The upper driven shaft is set to be located in the upper waist-shaped guide hole, and the lower driven shaft is set to be located in the lower waist-shaped guide hole. The operating handle drives the lead screw to rotate, so that The lead screw nut pushes the push rod, and the push rod drives a group of adjusting connecting rods to push the upper driven shaft to move axially along the upper waist-shaped guide hole and push the lower driven shaft to move axially along the lower waist-shaped guide hole, so that the two driving rollers on the outer ends of the upper driven shaft and the lower driven shaft are close to each other or move away from each other. When the distance adjustment module completes the distance adjustment, the driving roller connected to the upper driven shaft and the rust removal roller on the connecting rod shaft are located directly above the steel pipe and in contact with the top end of the steel pipe, and the driving roller connected to the lower driven shaft is located directly below the steel pipe and in contact with the bottom end of the steel pipe.

[0010] A rust slag collecting box is arranged on the frame and directly below each rust removing roller, and the level of the top of the rust slag collecting box is lower than the level of the bottom of the steel pipe after positioning and guiding.

[0011] The frame is provided with a driven waist-shaped hole, which is completely consistent with the height, shape and extension direction of the upper waist-shaped guide hole. The outer end of the connecting rod shaft is set in the driven waist-shaped hole, so that the connecting rod shaft and the upper driven shaft move up or down synchronously.

[0012] The two driving rollers are arranged in an X-shape, and the upper driven shaft is connected to the corresponding driving roller through a pair of mutually meshing right-angle bevel gears. Among the pair of mutually meshing right-angle bevel gears, one right-angle bevel gear is connected to the outer end of the upper driven shaft, and the other right-angle bevel gear is fixedly connected to the bevel gear shaft, and the driving roller is fixedly connected to the bevel gear shaft.

[0013] A vertically arranged U-shaped mounting plate is connected to the outer end of the upper driven shaft, and the two ends of the bevel gear shaft are rotatably connected to the two parallel parts of the U-shaped mounting plate through bearings respectively. The outer end of the upper driven shaft passes through the middle connecting part of the U-shaped mounting plate, and the upper driven shaft and the middle connecting part of the U-shaped mounting plate are rotatably connected through bearings. The horizontal height of the bottom end of the driving roller connected to the bevel gear shaft is lower than the horizontal height of the bottom end of the U-shaped mounting plate.

[0014] The rust removing roller comprises a roller body and a rust removing steel wire arranged on the roller surface of the roller body.

[0015] After the steel pipe passes through the steel pipe guide module to achieve positioning and guiding, the transmission main shaft, the upper driven shaft, the lower driven shaft and the connecting rod shaft all form an acute angle of 45 degrees with the axis of the steel pipe.

[0016] The driving motor, the secondary reducer, the two steel pipe driving rust removal modules and the distance adjustment module constitute a rust removal unit. The multifunctional steel pipe rust removal machine includes multiple rust removal units. The operating handles of the multiple distance adjustment modules are operated synchronously to adjust the distances synchronously. The multiple driving motors of the multiple rust removal units are started synchronously. All groups of steel pipe driving rust removal modules of the multiple rust removal units synchronously perform steel pipe rust removal operations.

[0017] Advantages of the present invention:

[0018] (1) The present invention is provided with a steel pipe guiding module, which clamps and guides the steel pipe. When the steel pipe is driven by the two steel pipe driving rust removal modules, the steel pipe always moves along the same axial direction without deviation. The steel pipe is clamped by a clamping roller. During the spiral movement of the steel pipe, the clamping roller rolls to reduce the friction resistance with the steel pipe.

[0019] (2) The present invention is provided with a distance adjustment module, which can adjust the distance between the two driving rollers of each set of steel pipe drive rust removal modules, so that the steel pipe drive rust removal module is suitable for rust removal operations of steel pipes with different diameters;

[0020] (3) The two steel pipe driven rust removal modules of the present invention only need to be driven by one driving motor, and the two steel pipe driven rust removal modules can perform rust removal operations in the process of driving the steel pipe to move forward, that is, the two driving rollers of the steel pipe driven rust removal module can drive the steel pipe to rotate and move forward, and the rust removal rollers can perform automatic rust removal operations on the steel pipe during the movement of the steel pipe, so that the present invention is suitable for rust removal operations on steel pipes with a longer length, and two steel pipe driven rust removal modules are provided to achieve the purpose of secondary rust removal, and the present invention can set a plurality of rust removal units according to the needs of rust removal to further improve the rust removal effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present invention.

[0022] Figure 2 It is a structural schematic diagram of the steel pipe guide module of the present invention.

[0023] Figure 3 It is a structural schematic diagram of the steel pipe driven rust removal module of the present invention.

[0024] Figure 4 It is a structural schematic diagram of the distance adjustment module of the present invention.

[0025] Figure 5 It is a connection principle diagram of the adjusting connecting rod of the present invention.

[0026] Figure 6 The present invention is a schematic diagram showing the principle of two driving rollers of the steel pipe driven rust removal module driving the steel pipe to move.

[0027] Figure numerals: 1-frame, 2-steel pipe guide module, 3-drive motor, 4-secondary reducer, 5-steel pipe drive rust removal module, 6-pitch adjustment module, 7-rust slag collection box, 8-steel pipe, 21-rectangular frame, 22-steel pipe perforation, 23-hinge seat, 24-spring, 25-slider, 26-hinge inner rod, 27-hinge outer rod, 28-clamping roller, 29-horizontal connecting rod, 210-hinge shaft, 51-belt drive pair, 52-drive main shaft, 53-upper driven shaft, 54-lower driven shaft Driving shaft, 55-connecting rod shaft, 56-pulley transmission pair, 57-driving roller, 58-rust removal roller, 59-right angle bevel gear, 510-U-type mounting plate, 511-bevel gear shaft, 61-operating handle, 62-screw, 63-screw nut, 64-push rod, 65-upper connecting rod, 66-lower connecting rod, 67-left connecting rod, 68-middle connecting rod, 69-right connecting rod, 610-active connecting rod, 611-driven connecting rod, 11-upper waist-shaped guide hole, 12-lower waist-shaped guide hole, 13-driven waist-shaped hole. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in 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.

[0029] See Figure 1 A multifunctional steel pipe rust removal machine comprises a frame 1, a steel pipe guide module 2, a driving motor 3, a secondary reducer 4, two steel pipe drive rust removal modules 5, a distance adjustment module 6 and two rust slag collection boxes 7 arranged on the frame 1; the steel pipe guide module 2 and the two steel pipe drive rust removal modules 5 are arranged in sequence from front to back along the extension direction of the steel pipe 8, and the two steel pipe drive rust removal modules 5 are connected to the distance adjustment module 6;

[0030] See Figure 2 The steel pipe guide module 2 includes a vertically arranged rectangular frame 21 and a steel pipe clamp connected to the rectangular frame 21. The two vertical longitudinal beams of the rectangular frame 21 are each provided with a steel pipe through-hole 22, and the two steel pipe through-holes 22 overlap each other. The steel pipe clamp includes two hinged seats 23, four springs 24, four sliders 25, eight hinged inner rods 26, eight hinged outer rods 27 and four groups of clamping rollers 28. The two hinged seats 23 are respectively fixedly connected to the center positions of the inner top surface and the inner bottom surface of the rectangular frame 21. Two slide grooves are respectively arranged on the inner top surface and the inner bottom surface of the rectangular frame 21. Each hinged seat 23 is located between the corresponding two slide grooves. The four sliders 25 are respectively embedded in the four slide grooves. A horizontal connecting rod 29 is fixedly connected to each slider 25. The horizontal connecting rod 29 is perpendicular to the horizontal beam of the rectangular frame 21. The four springs 24 is parallel to the horizontal crossbeam of the rectangular frame 21, the inner ends of the four springs 24 are connected to the four sliders 25 one by one, the outer ends of the four springs 24 are fixedly connected to the top or bottom of the vertical longitudinal beam of the rectangular frame 21, the outer ends of the eight hinged outer rods 27 are hinged to the two ends of the four horizontal connecting rods 29 one by one, the inner ends of the eight hinged outer rods 27 and the inner ends of the eight hinged inner rods 26 are hinged to each other through four hinge shafts 210, the hinge shaft 210 and the horizontal connecting rod 29 are parallel to each other, among the eight hinged inner rods 26 and the eight hinged outer rods 27, the inner end of each hinged inner rod 26 and the inner end of each hinged outer rod 27 are hinged to one end of a corresponding hinge shaft 210, the outer ends of the eight hinged inner rods 26 are hinged to two hinge seats 23, and the four groups of clamping rollers 28 are rotatably connected to the four hinge shafts 210 respectively;

[0031] See Figure 3The input shaft of the secondary reducer 4 is connected to the drive motor 3, and the two output shafts of the secondary reducer 4 are respectively connected to the two steel pipe drive rust removal modules 5. Each group of steel pipe drive rust removal modules 5 includes a belt drive pair 51, a transmission main shaft 52, an upper driven shaft 53, a lower driven shaft 54, a connecting rod shaft 55, two groups of pulley transmission pairs 56, two driving rollers 57 and a rust removal roller 58. The transmission main shaft 52, the upper driven shaft 53, the lower driven shaft 54 ​​and the connecting rod shaft 55 are all arranged horizontally and parallel to each other. When the steel pipe 8 passes through the steel pipe guide module 2 to realize positioning and guiding, the transmission main shaft 52, the upper driven shaft 53, the lower driven shaft 54 ​​and the connecting rod shaft 55 are all aligned with the axis of the steel pipe 8. An acute angle of 45 degrees is formed between them. The transmission main shaft 52 is connected to an output shaft of the secondary reducer 4 through a belt transmission pair 51. The horizontal height of the upper driven shaft 53 is higher than the horizontal height of the lower driven shaft 54. The upper driven shaft 53 and the lower driven shaft 54 ​​are connected to the transmission main shaft 52 through a corresponding set of pulley transmission pairs 56. The two driving rollers 57 are arranged in an X-shaped cross, one of which is fixedly connected to the outer end of the lower driven shaft 54. The upper driven shaft 53 is connected to the other driving roller 57 through a pair of mutually meshing right-angle bevel gears 59. The outer end of the upper driven shaft 53 is connected with a vertically arranged U-shaped mounting plate 51 0, the two ends of the bevel gear shaft 511 are rotatably connected to the two parallel parts of the U-shaped mounting plate 510 through bearings, the outer end of the upper driven shaft 53 passes through the middle connecting part of the U-shaped mounting plate 510, and the upper driven shaft 53 and the middle connecting part of the U-shaped mounting plate 510 are rotatably connected through bearings, a pair of right-angle bevel gears 59 meshing with each other, one of the right-angle bevel gears 59 is connected to the outer end of the upper driven shaft 53, the other right-angle bevel gear 59 is fixedly connected to the bevel gear shaft 511, and the other driving roller 57 connected to the bevel gear shaft 511 has a bottom end whose horizontal height is lower than the U-shaped mounting plate 510, the connecting rod shaft 55 and the upper driven shaft 53 are arranged at the same horizontal height and are located on the side of the upper driven shaft 53, the connecting rod shaft 55 and the upper driven shaft 53 are connected through the upper connecting rod 65 of the distance adjustment module 6, the two ends of the upper connecting rod 65 are respectively hinged with the inner end of the connecting rod shaft 55 and the upper driven shaft 53, the rust removal roller 58 is fixedly connected to the outer end of the connecting rod shaft 55, the rust removal roller 58 includes a roller body and a rust stain grinding wire arranged on the roller surface of the roller body, and a rust slag collection box 7 is arranged on the frame 1 and directly below each rust removal roller 58, and the horizontal height of the top of the rust slag collection box 7 is lower than the horizontal height of the bottom end of the steel pipe 8 after positioning and guiding;

[0032] See Figure 4 and Figure 5The pitch adjustment module 6 includes an operating handle 61, a lead screw 62, a lead screw nut 63, a push rod 64 and two groups of adjusting connecting rods. The lead screw 62 is arranged horizontally, and the operating handle 61 is fixedly connected to one end of the lead screw 62. The other end of the lead screw 62 is set on the frame 1 and is rotatably connected to the frame. The lead screw nut 63 is connected to the lead screw 62. The push rod 64 is parallel to the axis of the steel pipe 8 after positioning and guiding. The middle part of the push rod 64 is fixedly connected to the lead screw nut 63. The two groups of adjusting connecting rods are respectively hinged on the two ends of the push rod 64, and each group of adjusting connecting rods is connected to a corresponding group of steel pipe driving rust removal modules 5. Each group of adjusting connecting rods includes an upper connecting rod 65, a lower connecting rod 66, a left connecting rod 67, a middle connecting rod 68, a right connecting rod 69, an active connecting rod 610 and a driven connecting rod 611. The left end of the lower connecting rod 66 and the bottom end of the left connecting rod 67 are both hinged to one end of the push rod 64, the top end of the left connecting rod 67 and the left end of the upper connecting rod 65 are both hinged to the inner end of the connecting rod shaft 55, the right end of the lower connecting rod 66, the bottom end of the middle connecting rod 68 and the left end of the driven connecting rod 611 are hinged to each other, the right end of the upper connecting rod 65, the top end of the middle connecting rod 68 and the left end of the active connecting rod 610 are all hinged to the upper driven shaft 53, the right end of the active connecting rod 610 and the top end of the right connecting rod 69 are both hinged to the transmission main shaft 52, the bottom end of the right connecting rod 69 and the right end of the driven connecting rod 611 are both hinged to the lower driven shaft 54, the two end frames of the transmission main shaft 52 are set and located on the frame 1 and are rotatably connected to the frame 1, and the frame 1 is provided with an upper waist-shaped guide hole 11 and a lower waist-shaped guide hole 12 (see Figure 3 ), the shortest distance from any point on the axis of the upper waist-shaped guide hole 11 to the transmission main shaft 52 is equal, and the shortest distance from any point on the axis of the lower waist-shaped guide hole 12 to the transmission main shaft 52 is equal, the upper driven shaft 53 is set to be located in the upper waist-shaped guide hole 11, and the lower driven shaft 54 ​​is set to be located in the lower waist-shaped guide hole 12. The frame 1 is provided with a driven waist-shaped hole 13 (see Figure 1 ), the height, shape and extension direction of the driven waist-shaped hole 13 are completely consistent with those of the upper waist-shaped guide hole 11, the outer end of the connecting rod shaft 55 is set to be located in the driven waist-shaped hole 13, and the operating handle 61 drives the lead screw 62 to rotate, so that the lead screw nut 63 pushes the push rod 64, and the push rod 64 drives a group of adjusting connecting rods to push the connecting rod shaft 55 along the axial movement of the driven waist-shaped hole 13, push the upper driven shaft 53 along the axial movement of the upper waist-shaped guide hole 11, and push the lower driven shaft 54 ​​along the axial movement of the lower waist-shaped guide hole 12, so that the two driving rollers 57 on the outer ends of the upper driven shaft 53 and the lower driven shaft 54 ​​are close to each other or away from each other. When the distance adjustment module 6 is completed, the driving roller 57 connected to the upper driven shaft 53 and the rust removal roller 58 on the connecting rod shaft 55 are located directly above the steel pipe 8 and contact with the top of the steel pipe 8, and the driving roller 57 connected to the lower driven shaft 54 ​​is located directly below the steel pipe 8 and contact with the bottom of the steel pipe 8.

[0033] When the steel pipe 8 is long, the driving motor 3, the secondary reducer 4, the two steel pipe driving rust removal modules 5 and the distance adjustment module 6 can be combined into a rust removal unit. The multifunctional steel pipe rust removal machine includes multiple rust removal units. The operating handles 61 of the multiple distance adjustment modules 6 are operated synchronously to adjust the spacing synchronously. The multiple driving motors 3 of the multiple rust removal units are started synchronously, and all groups of steel pipe driving rust removal modules 5 of the multiple rust removal units perform steel pipe rust removal operations synchronously.

[0034] Working principle of the present invention:

[0035] (1) First, the steel pipe 8 passes through the two steel pipe through holes 22 of the steel pipe guide module 2, and the four groups of clamping rollers 28 of the steel pipe clamp clamp the steel pipe 8. Then, the steel pipe 8 passes between the upper and lower driving rollers 57 of the two steel pipe driving rust removal modules 5. At this time, the vertical distance between the two driving rollers 57 of each steel pipe driving rust removal module 5 is greater than the outer diameter of the steel pipe 8.

[0036] (2) Manually rotate the operating handle 61 of the pitch adjustment module 6, and the operating handle 61 drives the lead screw 62 to rotate, so that the lead screw nut 63 pushes the push rod 64, and the push rod 64 drives the connecting rod shafts 55 of the two sets of adjusting connecting rods to move axially along the driven waist-shaped hole 13, push the upper driven shaft 53 to move axially along the upper waist-shaped guide hole 11, and push the lower driven shaft 54 ​​to move axially along the lower waist-shaped guide hole 12, so that the two driving rollers 57 on the outer ends of the upper driven shaft 53 and the lower driven shaft 54 ​​approach each other, until the driving roller 57 and the rust removal roller 58 on the upper driven shaft 53 contact the top end of the steel pipe 8, and the driving roller 57 on the lower driven shaft 54 ​​contacts the bottom end of the steel pipe 8, and the pitch adjustment operation is completed;

[0037] (3) Start the driving motor 3, which drives the two steel pipe driving rust removal modules 5 to move through the secondary reducer 4. Specifically, the secondary reducer 4 drives the transmission main shaft 52 through the belt transmission pair 51, and the transmission main shaft 52 drives the upper driven shaft 53 and the lower driven shaft 54 ​​to rotate synchronously through two sets of pulley transmission pairs 56, so that the two driving rollers 57 rotate (see Figure 6 ), when the upper and lower driving rollers 57 rotate, the two driving rollers 57 form a force couple on the friction force of the steel pipe 8, so that the steel pipe 8 rotates, and the force directions of the two driving rollers 57 along the axial direction of the steel pipe 8 are the same, thereby driving the steel pipe 8 forward and realizing the spiral movement of the steel pipe 8. During the movement of the steel pipe 8, the rust removing roller 58 removes rust from the surface of the steel pipe 8, and the rust residue polished off by the rust removing roller 58 falls into the rust residue collection box 7.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multifunctional steel pipe rust remover, characterized in that: The machine comprises a frame, a steel pipe guide module, a driving motor, a secondary reducer, two steel pipe drive rust removal modules and a distance adjustment module arranged on the frame; the steel pipe guide module and the two steel pipe drive rust removal modules are arranged in sequence from front to back along the extension direction of the steel pipe, and the two steel pipe drive rust removal modules are connected to the distance adjustment module; The steel pipe guide module includes a vertically arranged rectangular frame and a steel pipe clamp connected to the rectangular frame. The two vertical longitudinal beams of the rectangular frame are each provided with a steel pipe through-hole, and the two steel pipe through-holes overlap each other. The steel pipe clamp includes two hinged seats, four springs, four sliders, eight hinged inner rods, eight hinged outer rods and four groups of clamping rollers. The two hinged seats are respectively fixedly connected to the center positions of the inner top surface and the inner bottom surface of the rectangular frame. Two slide grooves are respectively provided on the inner top surface and the inner bottom surface of the rectangular frame. Each hinged seat is located between two corresponding slide grooves. The four sliders are respectively embedded in the four slide grooves one by one. Each slider is fixedly connected with a horizontal connecting rod, and the horizontal connecting rod is perpendicular to the horizontal beam of the rectangular frame. , four springs are parallel to the horizontal beam of the rectangular frame, the inner ends of the four springs are connected to the four sliders one by one, the outer ends of the four springs are fixedly connected to the top or bottom of the vertical longitudinal beam of the rectangular frame, the outer ends of the eight hinged outer rods are hinged to the two ends of the four horizontal connecting rods one by one, the inner ends of the eight hinged outer rods and the inner ends of the eight hinged inner rods are hinged to each other through four hinge shafts, the hinge shafts and the horizontal connecting rods are parallel to each other, among the eight hinged inner rods and the eight hinged outer rods, the inner end of each hinged inner rod and the inner end of each hinged outer rod are hinged to one end of a corresponding hinge shaft, the outer ends of the eight hinged inner rods are hinged to two hinge seats, and the four groups of clamping rollers are rotatably connected to the four hinge shafts respectively; The input shaft of the secondary reducer is connected to the driving motor, and the two output shafts of the secondary reducer are respectively connected to two steel pipe driven rust removal modules, each group of steel pipe driven rust removal modules includes a belt transmission pair, a transmission main shaft, an upper driven shaft, a lower driven shaft, a connecting rod shaft, two groups of pulley transmission pairs, two driving rollers and a rust removal roller, the transmission main shaft, the upper driven shaft, the lower driven shaft and the connecting rod shaft are all arranged horizontally and parallel to each other, when the steel pipe passes through the steel pipe guide module to realize positioning and guiding, the transmission main shaft, the upper driven shaft, the lower driven shaft and the connecting rod shaft form an acute angle with the axis of the steel pipe, and the transmission main shaft is driven by the belt The driving pair is connected to an output shaft of the secondary reducer, the horizontal height of the upper driven shaft is higher than the horizontal height of the lower driven shaft, the upper driven shaft and the lower driven shaft are connected to the transmission main shaft through a corresponding set of pulley driving pairs, the connecting rod shaft and the upper driven shaft are set at the same horizontal height and are located on the side of the upper driven shaft, the connecting rod shaft and the upper driven shaft are connected through the upper connecting rod of the pitch adjustment module, the two ends of the upper connecting rod are respectively hinged to the inner end of the connecting rod shaft and the upper driven shaft, the two driving rollers are respectively fixedly connected to the outer ends of the upper driven shaft and the lower driven shaft, and the rust removal roller is fixedly connected to the outer end of the connecting rod shaft; The pitch adjustment module includes an operating handle, a lead screw, a lead screw nut, a push rod and two sets of adjusting connecting rods. The lead screw is arranged horizontally, the operating handle is fixedly connected to one end of the lead screw, the other end of the lead screw is set on the frame and is rotatably connected to the frame, the lead screw nut is connected to the lead screw, the push rod is parallel to the axis of the steel pipe after positioning and guiding, the middle part of the push rod is fixedly connected to the lead screw nut, the two sets of adjusting connecting rods are respectively hinged on the two ends of the push rod, and each set of adjusting connecting rods is connected to a corresponding set of steel pipe drive rust removal modules. The joint connecting rods include an upper connecting rod, a lower connecting rod, a left connecting rod, a middle connecting rod, a right connecting rod, an active connecting rod and a driven connecting rod. The left end of the lower connecting rod and the bottom end of the left connecting rod are hinged to one end of the push rod, the top end of the left connecting rod and the left end of the upper connecting rod are hinged to the inner end of the connecting rod shaft, the right end of the lower connecting rod, the bottom end of the middle connecting rod and the left end of the driven connecting rod are hinged to each other, the right end of the upper connecting rod, the top end of the middle connecting rod and the left end of the active connecting rod are hinged to the upper driven shaft, and the right end of the active connecting rod and the top end of the right connecting rod are hinged to the transmission main shaft The bottom end of the right connecting rod and the right end of the driven connecting rod are both hinged on the lower driven shaft. The two end frames of the transmission main shaft are set on the frame and are rotatably connected with the frame. The frame is provided with an upper waist-shaped guide hole and a lower waist-shaped guide hole. The shortest distance from any point on the axis of the upper waist-shaped guide hole to the transmission main shaft is equal, and the shortest distance from any point on the axis of the lower waist-shaped guide hole to the transmission main shaft is equal. The upper driven shaft is set to be located in the upper waist-shaped guide hole, and the lower driven shaft is set to be located in the lower waist-shaped guide hole. The operating handle drives the lead screw to rotate, so that The lead screw nut pushes the push rod, and the push rod drives a group of adjusting connecting rods to push the upper driven shaft to move axially along the upper waist-shaped guide hole and push the lower driven shaft to move axially along the lower waist-shaped guide hole, so that the two driving rollers on the outer ends of the upper driven shaft and the lower driven shaft are close to each other or move away from each other. When the distance adjustment module completes the distance adjustment, the driving roller connected to the upper driven shaft and the rust removal roller on the connecting rod shaft are located directly above the steel pipe and in contact with the top end of the steel pipe, and the driving roller connected to the lower driven shaft is located directly below the steel pipe and in contact with the bottom end of the steel pipe.

2. The multifunctional steel pipe derusting machine according to claim 1, characterized in that: A rust slag collecting box is arranged on the frame and directly below each rust removing roller, and the level of the top of the rust slag collecting box is lower than the level of the bottom of the steel pipe after positioning and guiding.

3. The multifunctional steel pipe rust remover according to claim 1, characterized in that: The frame is provided with a driven waist-shaped hole, which is completely consistent with the height, shape and extension direction of the upper waist-shaped guide hole. The outer end of the connecting rod shaft is set in the driven waist-shaped hole, so that the connecting rod shaft and the upper driven shaft move up or down synchronously.

4. The multifunctional steel pipe derusting machine according to claim 1, characterized in that: The two driving rollers are arranged in an X-shape, and the upper driven shaft is connected to the corresponding driving roller through a pair of mutually meshing right-angle bevel gears. Among the pair of mutually meshing right-angle bevel gears, one right-angle bevel gear is connected to the outer end of the upper driven shaft, and the other right-angle bevel gear is fixedly connected to the bevel gear shaft, and the driving roller is fixedly connected to the bevel gear shaft.

5. The multifunctional steel pipe rust remover according to claim 4, characterized in that: A vertically arranged U-shaped mounting plate is connected to the outer end of the upper driven shaft, and the two ends of the bevel gear shaft are rotatably connected to the two parallel parts of the U-shaped mounting plate through bearings respectively. The outer end of the upper driven shaft passes through the middle connecting part of the U-shaped mounting plate, and the upper driven shaft and the middle connecting part of the U-shaped mounting plate are rotatably connected through bearings. The horizontal height of the bottom end of the driving roller connected to the bevel gear shaft is lower than the horizontal height of the bottom end of the U-shaped mounting plate.

6. The multifunctional steel pipe rust remover according to claim 1, characterized in that: The rust removing roller comprises a roller body and a rust removing steel wire arranged on the roller surface of the roller body.

7. The multifunctional steel pipe derusting machine according to claim 1, characterized in that: After the steel pipe passes through the steel pipe guide module to achieve positioning and guiding, the transmission main shaft, the upper driven shaft, the lower driven shaft and the connecting rod shaft all form an acute angle of 45 degrees with the axis of the steel pipe.

8. The multifunctional steel pipe rust remover according to claim 1, characterized in that: The driving motor, the secondary reducer, the two steel pipe driving rust removal modules and the distance adjustment module constitute a rust removal unit. The multifunctional steel pipe rust removal machine includes multiple rust removal units. The operating handles of the multiple distance adjustment modules are operated synchronously to adjust the distances synchronously. The multiple driving motors of the multiple rust removal units are started synchronously. All groups of steel pipe driving rust removal modules of the multiple rust removal units synchronously perform steel pipe rust removal operations.

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