CN118595959A - Polishing device for building steel structure - Google Patents

Abstract

The present invention relates to the technical field of polishing devices, specifically a polishing device for building steel structures, including a polishing workbench and a pre-polishing surface treatment component, a lateral movable screw slide is provided on the polishing workbench, a movable platform body is installed on the lateral movable screw slide, a top plate is provided on the top of the movable platform body, a translation movable screw slide is provided on the top of the top plate, a synchronous plate is installed on the slide of the translation movable screw slide, an angle adjustment component is provided on the synchronous plate, a bearing plate is provided on the angle adjustment component, a clamping mechanism is provided on the bearing plate, a lifting component is provided in the movable platform body, a rough polishing mechanism is provided on the inner side wall of one side of the polishing workbench, a fine polishing mechanism and a driving mechanism are provided on the inner side wall of the other side of the polishing workbench, and the fine polishing mechanism is arranged on the driving mechanism. The present invention can not only polish and grind flat steel structures, but also can perform rough polishing on steel structures with angles or arc-shaped steel structures, thereby improving the scope of application.

Description

Polishing device for building steel structure

Technical Field

The invention relates to the technical field of polishing devices, in particular to a polishing device for building steel structures.

Background Art

Polishing devices for building steel structures are equipment specially used for polishing the surface of steel structures. Usually, such devices include polishing machines, polishing cloths or polishing pads and other tools, as well as related control systems and auxiliary equipment. Polishing devices usually adopt mechanized methods to polish the surface of steel structures by rotation or vibration to achieve a smooth, uniform and bright surface. Polishing devices can be designed according to the different shapes and sizes of steel structures. They can be small handheld polishing machines or automated polishing equipment for large structures. These devices can effectively improve polishing efficiency and ensure the quality and appearance requirements of the steel structure surface.

The Chinese invention patent with the announcement number CN117359445B discloses a polishing device for building steel structure, including a polishing workbench, a mounting wall and a pre-polishing surface treatment component, the pre-polishing surface treatment component is fixedly connected to the side of the polishing workbench, the mounting wall is fixedly connected to the polishing workbench, a rough polishing component and a fine polishing component are installed on the mounting wall, an x-guide rail is fixedly connected to the polishing workbench, a y-guide rail hull is slidably connected to the x-guide rail, a polishing steel structure bearing plate is slidably connected to the y-guide rail hull, and the polishing steel structure bearing plate is used to place the steel structure to be polished. The invention is provided with a pre-polishing surface treatment component to quickly remove debris, protrusions, ash layers, oil stains, rust and oxides on the surface of the steel structure to be polished before formal polishing. At the same time, during formal polishing, the steel structure is first roughly polished and then finely polished. The polishing process is gradual, which can effectively improve the polishing quality.

However, the above patent still has the following shortcomings in actual use: the patent can polish the steel structure through the pre-polishing surface treatment component, the rough polishing component and the fine polishing component, but the steel structure has various shapes, and this patent can only polish flat steel structures, and cannot polish steel structures with angles or curved steel structures, thereby reducing the scope of application of the polishing device.

Summary of the invention

In order to make up for the above shortcomings, the present invention provides a polishing device for building steel structures to solve the problem of how to polish steel structures with angles or curved steel structures raised in the above background technology.

The technical solution of the present invention is:

A polishing device for building steel structure, comprising a polishing workbench and a pre-polishing surface treatment component, the pre-polishing surface treatment component is arranged on one side of the polishing workbench, the polishing workbench is provided with a transverse moving screw slide, the transverse moving screw slide is installed with a moving platform body, the top of the moving platform body is provided with a top plate, the top of the top plate is provided with a translational moving screw slide, the slide of the translational moving screw slide is installed with a synchronous plate, the synchronization plate is provided with an angle adjustment component, the angle adjustment component is provided with a bearing plate, the bearing plate is provided with a clamping mechanism for clamping the steel structure, the moving platform body is provided with a lifting component for driving the top plate to rise and fall, a rough polishing mechanism is provided on the inner side wall of one side of the polishing workbench, the rough polishing mechanism comprises a mounting plate, a rotating component for driving the mounting plate to rotate, a driving roller, and a directional roller , two side rollers and a moving assembly for driving the two side rollers to always move in opposite directions, a first motor is installed on the back of the mounting disk, a first rotating seat is provided at the front of the mounting disk, the rotating assembly is arranged on the inner side wall of one side of the polishing workbench, the mounting disk is arranged on the rotating assembly, the driving roller passes through the mounting disk and is fixedly connected to the output end of the first motor, the directional roller is rotatably arranged on the first rotating seat, the directional roller is located directly below the driving roller, the moving assembly is arranged at the front of the mounting disk, the two side rollers are arranged on the moving assembly, and the two side rollers are located on both sides of the driving roller, the driving roller, the directional roller and the two side rollers are provided with a fine polishing belt, a fine polishing mechanism and a driving mechanism for adjusting the placement angle of the fine polishing mechanism are provided on the inner side wall of the other side of the polishing workbench, and the fine polishing mechanism is arranged on the driving mechanism.

Preferably, the angle adjustment assembly includes a second rotating seat, a connecting plate, a worm and a second motor, the second rotating seat is provided with two symmetrically arranged third rotating seats, the connecting plates are provided with two, the bottom of the connecting plates is provided with an arc-shaped edge, the bottom of one of the connecting plates is provided with a half gear, the second rotating seat is arranged on the top of the synchronous plate, the two connecting plates are symmetrically arranged at the bottom of the bearing plate, the two connecting plates are rotatably arranged on the second rotating seat, the worm is rotatably arranged on the two third rotating seats, the half gear is meshed with the worm, the second motor is arranged on the top of the synchronous plate, and the output end of the second motor is fixedly connected to the worm.

The top of the sliding panel also is provided with an interlocking plate, and the interlocking plate is provided with an interlocking plate, and the interlocking plate and the interlocking plate are interlocked, and the two end caps are provided with an interlocking plate, and the two end caps are provided with an interlocking plate.

Preferably, the lifting assembly includes a lifting electric push rod and a guide slide frame, four guide slide frames are provided, guide blocks are provided in the guide slide frames, the lifting electric push rod is vertically arranged in the moving platform body, the four guide slide frames are rectangularly arranged on the inner wall of the moving platform body, and the tops of the four guide blocks are fixedly connected to the bottom of the top plate.

Preferably, the rotating assembly includes a third motor, a ring gear and a fourth rotating seat, a driving gear is installed on the output end of the third motor, a rotating column is rotatably installed on the fourth rotating seat, the third motor and the fourth rotating seat are arranged on the inner side wall of one side of the polishing workbench, the ring gear is arranged on the outer wall of the mounting disk, the driving gear is meshed with the ring gear, and the rotating column is fixedly connected to the back of the mounting disk.

Preferably, the moving assembly includes a bearing seat, a first screw rod, a second screw rod and a fourth motor, the bearing seats are provided with four, the first screw rod is screwed with a first movable platform, the second screw rod is screwed with a second movable platform, the first movable platform and the second movable platform are both provided with side seats, the spiral directions of the first screw rod and the second screw rod are opposite, one end of the first screw rod and the second screw rod are both provided with a first sprocket, the four bearing seats are distributed in a rectangular shape on the front part of the mounting plate, two symmetrically arranged stabilizing rods are provided between the two bearing seats on the same side, the first movable platform and the second movable platform are both provided with guide holes that cooperate with the stabilizing rod guides, the first screw rod is rotatably arranged on the two bearing seats, the second screw rod is rotatably arranged on the other two bearing seats, the two first sprockets are connected by chain transmission, the fourth motor is arranged on a bearing seat away from the first sprocket, and the output end of the fourth motor is fixedly connected to the other end of the first screw rod, and the two side rollers are rotatably arranged on the two side seats respectively.

Preferably, the rough polishing mechanism also includes a first cleaning roller, a docking electric push rod, a fifth rotating seat, a side tube seat and a first impurity collecting assembly, a linkage shaft is provided at one end of the first cleaning roller, a plurality of docking strips are arranged at equal angles along the circumference of the linkage shaft on the outer wall of the linkage shaft, a fixing plate is installed at the output end of the docking electric push rod, a rotating sleeve is rotatably installed at the head end of the side tube seat, a first gear is installed on the rotating sleeve, a through hole is provided on the first gear for slidingly matching with the linkage shaft, a plurality of positioning strips are arranged at equal angles along the circumference of the linkage shaft in the through hole, a docking groove for plugging and matching with the docking strips is formed between two adjacent positioning strips, a through hole for the linkage shaft to pass through is provided on the mounting disk, the docking electric push rod is arranged on the back of the mounting disk, the fifth rotating seat is fixed on the fixing plate, one end of the linkage shaft is rotatably connected to the fifth rotating seat, the tail end of the side tube seat is fixedly connected to the front part of the mounting disk, a second gear is provided on the driving roller, the second gear is meshed with the first gear, the first impurity collecting assembly is arranged at the front part of the mounting disk, and the first impurity collecting assembly is located directly above the driving roller.

Preferably, the first impurity collection component includes a sealing plate and a first collecting box, the sealing plates are provided with two, both sides of one end of the sealing plate are provided with a first rotating shaft, the first rotating shaft is provided with a fan-shaped notch, the bottom of the first collecting box is provided with two symmetrically arranged inclined plates, a feed port is formed between the two inclined plates, the top of the first collecting box is provided with a discharge pipe, a suction pump is installed on the discharge pipe, a collection tank is detachably installed on one end of the discharge pipe, two symmetrically arranged rotating grooves are provided on the inner walls of both sides of the first collecting box, the rotating grooves are provided with fan-shaped limit blocks, the cross-sectional area of the fan-shaped limit blocks is smaller than the cross-sectional area of the fan-shaped notch, the fan-shaped limit blocks are arranged in the fan-shaped notch, and the first collecting box is horizontally arranged at the front of the mounting plate.

Preferably, the fine polishing mechanism includes a sanding belt roller, a side bracket and a fifth motor, three sanding belt rollers are provided, the side bracket is fixedly connected to the driving mechanism, the three sanding belt rollers are distributed in a triangular shape, two of the sanding belt rollers are rotatably arranged on the front part of the side bracket, the fifth motor is horizontally arranged on the back of the side bracket, and the output end of the fifth motor is fixedly connected to another sanding belt roller, and the three sanding belt rollers are sleeved with a sanding belt, the driving mechanism includes a first L frame, a second L frame and a sixth motor, a second rotating shaft is rotatably mounted on the second L frame, a second sprocket is mounted on one end of the second rotating shaft, and a third sprocket is mounted on the output end of the sixth motor, a connecting block is provided on the back of the side bracket, the first L frame is arranged on the inner wall of the other side of the polishing workbench, the second L frame is fixedly connected to the bottom of the first L frame, the sixth motor is arranged on the top of the second L frame, the second sprocket is connected to the third sprocket through chain transmission, and the other end of the second rotating shaft is fixedly connected to the connecting block.

Preferably, the fine polishing mechanism also includes a second impurity collecting assembly, which includes a horizontal push electric push rod, an L-shaped suspension and a second collecting box, a seventh motor is installed on the side wall of the L-shaped suspension, and a second cleaning roller is installed on the output end of the seventh motor. An inner groove for the L-shaped suspension to be embedded is provided on the inner wall on the other side of the polishing workbench, and the horizontal push electric push rod is horizontally arranged on the outer wall on the other side of the polishing workbench. The L-shaped suspension is fixedly connected to the output end of the horizontal push electric push rod, and the second collecting box is arranged on the L-shaped suspension, and the second collecting box is located directly below the second cleaning roller.

Compared with the prior art, the present invention has the following beneficial effects:

Firstly, the present invention can drive the bearing plate to perform angle adjustment and height adjustment through the angle adjustment component and the lifting component, that is, the steel structure can also perform angle adjustment and height adjustment, the steel structure can be clamped by the clamping mechanism, the positions of the two side rollers can be changed by the moving component, so that the placement state of the rough polishing belt can be changed, the steel structure can be rough polished by the rough polishing belt segment between the directional roller and one of the side rollers, and the steel structure can also be rough polished by the rough polishing belt segment between the directional roller and the other side roller, the mounting plate can be driven to rotate by the rotating component, so as to adjust the angle of the rough polishing belt segment for polishing the steel structure, so that the rough polishing belt segment can be changed to a horizontal state or an inclined state, the placement angle of the fine polishing mechanism can be changed by the driving mechanism, the rough polishing mechanism and the fine polishing mechanism can not only polish flat-plate steel structures, but also rough polish steel structures with angles or arc-shaped steel structures, thereby improving the scope of application.

Secondly, the present invention can not only clamp the two sides of a flat steel structure, but also clamp a steel structure with an angle or an arc-shaped steel structure through the cooperation between the abutment column, the clamping block, the first slider, the synchronization block and the spring.

Thirdly, the present invention can make the moving directions of the two side rollers always opposite through the cooperation between the fourth motor, the first screw rod, the second screw rod, the first sprocket and the chain, thereby changing the spacing between the directional roller and the side roller, that is, changing the cross-sectional size of the coarse sandblasting belt segment for polishing the steel structure.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the three-dimensional structure of a polishing device for building steel structures according to the present invention;

FIG2 is a front view of the polishing device for building steel structure of the present invention;

FIG3 is a partial structural schematic diagram of a polishing device for building steel structure according to the present invention;

FIG4 is a second partial structural schematic diagram of the polishing device for building steel structure of the present invention;

FIG5 is a third partial structural schematic diagram of the polishing device for building steel structure of the present invention;

FIG6 is a schematic diagram of the three-dimensional structure of the rough polishing mechanism;

Fig. 7 is a second schematic diagram of the three-dimensional structure of the rough polishing mechanism;

FIG8 is an enlarged view of point A in FIG7;

Fig. 9 is a third schematic diagram of the three-dimensional structure of the rough polishing mechanism;

FIG10 is a partial cross-sectional view of the first impurity collection assembly;

FIG11 is an enlarged view of point B in FIG10 ;

FIG12 is a partial enlarged view of the first impurity collection assembly;

FIG13 is a schematic diagram of the structure of a fine polishing mechanism;

FIG. 14 is a schematic diagram of the structure of the second impurity collection assembly.

In the figure:

1. Polishing workbench; 11. Lateral moving screw slide; 12. Moving platform body; 13. Top plate; 14. Translational moving screw slide; 15. Synchronous plate; 16. Inner groove; 2. Angle adjustment assembly; 21. Second rotating seat; 211. Third rotating seat; 22. Connecting plate; 221. Half gear; 23. Worm; 24. Second motor; 3. Carrying plate; 4. Clamping mechanism; 41. Bidirectional screw slide; 42. Side plate; 43. Clamping block; 431. Slide groove; 432. First slider; 433. Synchronous block; 434. Abutment column; 435. Mounting seat; 436. Slide rod; 4 37, spring; 44, clamping electric push rod; 441, clamping plate; 5, lifting assembly; 51, lifting electric push rod; 52, guide slide frame; 521, guide block; 6, rough polishing mechanism; 61, mounting plate; 611, first motor; 612, first rotating seat; 62, third motor; 621, third motor; 622, gear ring; 623, fourth rotating seat; 624, driving gear; 625, rotating column; 63, driving roller; 631, second gear; 64, directional roller; 65, side roller; 66, moving assembly; 661, bearing seat; 662, first screw rod; 6621, first moving moving table; 663, second screw rod; 6631, second moving table; 664, fourth motor; 665, side seat; 666, first sprocket; 667, stabilizing rod; 67, first cleaning roller; 671, linkage shaft; 6711, docking strip; 68, docking electric push rod; 681, fixed plate; 682, fifth rotating seat; 69, side pipe seat; 691, rotating sleeve; 692, first gear; 6921, positioning strip; 6922, docking groove; 7, fine polishing mechanism; 71, sanding belt roller; 72, side bracket; 721, connecting block; 73, fifth motor; 74, second impurity collection assembly ;741, horizontal push electric push rod;742, L-shaped suspension;743, second collection box;744, seventh motor;745, second cleaning roller;8, driving mechanism;81, first L frame;82, second L frame;83, sixth motor;84, second rotating shaft;85, second sprocket;86, third sprocket;9, first impurity collecting assembly;91, sealing plate;92, first collection box;921, rotating groove;922, fan-shaped limit block;93, first rotating shaft;931, fan-shaped notch;94, inclined plate;95, feed inlet;96, discharge pipe;961, suction pump;962, collection tank.

DETAILED DESCRIPTION

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.

Please refer to Figures 1-14, the present invention describes the above technical solution in detail through the following embodiments:

A polishing device for building steel structure, comprising a polishing workbench 1 and a pre-polishing surface treatment component, wherein the pre-polishing surface treatment component is arranged on one side of the polishing workbench 1, the polishing workbench 1 is provided with a transverse moving screw slide 11, a moving platform body 12 is installed on the transverse moving screw slide 11, a top plate 13 is provided on the top of the moving platform body 12, a translation moving screw slide 14 is provided on the top of the top plate 13, a synchronous plate 15 is installed on the slide of the translation moving screw slide 14, an angle adjustment component 2 is provided on the synchronous plate 15, a bearing plate 3 is provided on the angle adjustment component 2, a clamping mechanism 4 for clamping the steel structure is provided on the bearing plate 3, a lifting component 5 for driving the top plate 13 to rise and fall is provided in the moving platform body 12, a rough polishing mechanism 6 is provided on the inner side wall of one side of the polishing workbench 1, and the rough polishing mechanism 6 includes a mounting plate 61, a rotating component 62 for driving the mounting plate 61 to rotate, a driving roller 63, a directional roller 64, and two side rollers 65. and a moving assembly 66 for driving the two side rollers 65 to always move in opposite directions. A first motor 611 is installed on the back of the mounting disk 61. A first rotating seat 612 is provided at the front of the mounting disk 61. The rotating assembly 62 is arranged on the inner side wall of one side of the polishing workbench 1. The mounting disk 61 is arranged on the rotating assembly 62. The driving roller 63 passes through the mounting disk 61 and is fixedly connected to the output end of the first motor 611. The directional roller 64 is rotatably arranged on the first rotating seat 612. The directional roller 64 is located directly below the driving roller 63. The moving assembly 66 is arranged at the front of the mounting disk 61. The two side rollers 65 are arranged on the moving assembly 66, and the two side rollers 65 are located on both sides of the driving roller 63. A fine polishing belt is sleeved on the driving roller 63, the directional roller 64 and the two side rollers 65. A fine polishing mechanism 7 and a driving mechanism 8 for adjusting the placement angle of the fine polishing mechanism 7 are provided on the inner side wall of the other side of the polishing workbench 1. The fine polishing mechanism 7 is arranged on the driving mechanism 8.

It is worth noting that the structure of the pre-polishing surface treatment component of the present invention is the same as that of the pre-polishing surface treatment component in a polishing device for building steel structure in CN117359445B, and its working principle will not be repeated here.

The present invention can drive the supporting plate 3 to perform angle adjustment and height adjustment through the angle adjustment component 2 and the lifting component 5, that is, the steel structure can also perform angle adjustment and height adjustment, the steel structure can be clamped by the clamping mechanism 4, the positions of the two side rollers 65 can be changed by the moving component 66, so that the placement state of the rough polishing belt can be changed, the rough polishing belt segment between the directional roller 64 and one of the side rollers 65 can be used to rough polish the steel structure, and the rough polishing belt segment between the directional roller 64 and the other side roller 65 can also be used to rough polish the steel structure, the rotating component 62 can drive the mounting plate 61 to rotate, so that the angle of the rough polishing belt segment for polishing the steel structure is adjusted, so that the rough polishing belt segment becomes a horizontal state or an inclined state, the placement angle of the fine polishing mechanism 7 can be changed by the driving mechanism 8, the rough polishing mechanism 6 and the fine polishing mechanism 7 can not only polish flat-plate steel structures, but also can perform rough polishing on steel structures with angles or arc-shaped steel structures, thereby improving the scope of application.

The angle adjustment assembly 2 includes a second rotating seat 21, a connecting plate 22, a worm 23 and a second motor 24. The second rotating seat 21 is provided with two symmetrically arranged third rotating seats 211, and the connecting plate 22 is provided with two. The bottom of the connecting plate 22 is provided with an arc edge, and the bottom of one of the connecting plates 22 is provided with a half gear 221. The second rotating seat 21 is arranged on the top of the synchronous plate 15, and the two connecting plates 22 are symmetrically arranged at the bottom of the bearing plate 3. The two connecting plates 22 are rotatably arranged on the second rotating seat 21, and the worm 23 is rotatably arranged on the two third rotating seats 211. The half gear 221 is meshed with the worm 23. The second motor 24 is arranged on the top of the synchronous plate 15, and the output end of the second motor 24 is fixedly connected to the worm 23.

The worm 23 is driven to rotate by the second motor 24. After the worm 23 rotates, it can drive the half gear 221 to rotate. The half gear 221 drives the connecting plate 22 to rotate around the rotating point of the second rotating seat 21. The connecting plate 22 drives the supporting plate 3 to rotate synchronously, so that the supporting plate 3 can be adjusted in angle, that is, the steel structure on the supporting plate 3 can also be adjusted in angle.

The clamping mechanism 4 includes a bidirectional screw slide 41 and a side plate 42. Two movable slides are installed on the bidirectional screw slide 41. A clamping block 43 is provided on both slides of the bidirectional screw slide 41. A slide groove 431 is provided on the top of the clamping block 43. A first slider 432 is provided in the slide groove 431. A slide hole is provided on the first slider 432. A synchronous block 433 is provided on the top of the first slider 432. A resisting column 434 is provided on the synchronous block 433. A mounting seat 435 is provided in the slide groove 431. The mounting seat 435 and the slide groove A slide rod 436 is provided between the groove walls 431 and is slidably matched with the slide hole. A spring 437 is sleeved on the slide rod 436. The two ends of the spring 437 respectively contact the groove walls of the slide groove 431 and the first slider 432. Two side panels 42 are provided. A clamping electric push rod 44 is provided on the back of the side panel 42. A clamping plate 441 is installed on the output end of the clamping electric push rod 44. The bidirectional screw slide 41 is arranged on the bearing plate 3 along the length direction of the bearing plate 3, and the two side panels 42 are symmetrically arranged on both sides of the bearing plate 3 along the width direction of the bearing plate 3.

The two slides are driven to move toward each other by the bidirectional screw slide 41, and the two slides respectively drive the two clamping blocks 43 to move synchronously. If the steel structure is a flat plate, the two clamping blocks 43 can be directly clamped to the two sides of the flat plate steel structure. If the steel structure is an angled or arc-shaped structure, the abutment column 434 will first abut against the side wall of the steel structure. After the abutment column 434 is subjected to the abutment pressure, it moves backward. The abutment column 434 can drive the synchronous block 433 and the first slider 432 to move backward synchronously, and the first slider 432 can squeeze The spring 437 is compressed, and the elastic force of the spring 437 can improve the stability of the steel structure clamped by the resistance column 434. After the clamping block 43 can also contact the steel structure, the bidirectional screw slide 41 also stops working, and the corresponding clamping plates 441 are driven to move by the two clamping electric push rods 44. The two clamping plates 441 can clamp the other two side walls of the steel structure. When the clamping of the steel structure is released, the elastic force of the spring 437 can also drive the first slider 432, the synchronization block 433 and the resistance column 434 to return to their initial positions.

The lifting assembly 5 includes a lifting electric push rod 51 and a guide slide frame 52. There are four guide slide frames 52. A guide block 521 is arranged in the guide slide frame 52. The lifting electric push rod 51 is vertically arranged in the moving platform body 12. The four guide slide frames 52 are arranged in a rectangular shape on the inner wall of the moving platform body 12. The tops of the four guide blocks 521 are fixedly connected to the bottom of the top plate 13.

The top plate 13 is driven to be raised and lowered by the lifting electric push rod 51 , and the top plate 13 can drive the bearing plate 3 to be raised and lowered synchronously, and the bearing plate 3 can drive the clamped steel structure to be raised and lowered.

The rotating assembly 62 includes a third motor 621, a ring gear 622 and a fourth rotating seat 623. A driving gear 624 is installed on the output end of the third motor 621, and a rotating column 625 is rotatably installed on the fourth rotating seat 623. The third motor 621 and the fourth rotating seat 623 are arranged on the inner wall of one side of the polishing workbench 1, the ring gear 622 is arranged on the outer wall of the mounting plate 61, the driving gear 624 is meshed with the ring gear 622, and the rotating column 625 is fixedly connected to the back of the mounting plate 61.

The third motor 621 drives the driving gear 624 to rotate, the driving gear 624 drives the ring gear 622 to rotate, the ring gear 622 drives the mounting plate 61 to rotate synchronously, and the mounting plate 61 drives the entire rough grinding belt to rotate synchronously, thereby changing the placement angle of the rough grinding belt section for polishing the steel structure.

The moving assembly 66 includes a bearing seat 661, a first screw rod 662, a second screw rod 663 and a fourth motor 664. The bearing seat 661 is provided with four. The first screw rod 662 is screwed with a first moving platform 6621, and the second screw rod 663 is screwed with a second moving platform 6631. The first moving platform 6621 and the second moving platform 6631 are both provided with a side seat 665. The spiral directions of the first screw rod 662 and the second screw rod 663 are opposite. One end of the first screw rod 662 and the second screw rod 663 is provided with a first sprocket 666. The four bearing seats 661 are distributed in a rectangular shape on the front part of the mounting plate 61, and are located on the same side of the two shafts. Two symmetrically arranged stabilizing rods 667 are provided between the bearing seats 661, and guide holes which cooperate with the stabilizing rods 667 are provided on the first movable platform 6621 and the second movable platform 6631. The first screw rod 662 is rotatably arranged on the two bearing seats 661, and the second screw rod 663 is rotatably arranged on the other two bearing seats 661. The two first sprocket wheels 666 are connected by chain transmission, and the fourth motor 664 is arranged on a bearing seat 661 away from the first sprocket wheel 666, and the output end of the fourth motor 664 is fixedly connected to the other end of the first screw rod 662, and the two side rollers 65 are rotatably arranged on the two side seats 665 respectively.

The first screw rod 662 is driven to rotate by the fourth motor 664. After the first screw rod 662 rotates, it drives the first movable platform 6621 to move up and down on the first screw rod 662. The rotation of the first screw rod 662 also drives the first sprocket 666 connected thereto to rotate. The first sprocket 666 drives another first sprocket 666 to rotate through a chain. The other first sprocket 666 drives the second screw rod 663 to rotate. After the second screw rod 663 rotates, it drives the second movable platform 6631 to move up and down on the second screw rod 663. Since the spiral directions of the first screw rod 662 and the second screw rod 663 are opposite, when the first screw rod 662 drives the first movable platform 6621 to move up, the second screw rod 663 just drives the second movable platform 6631 to move down. The moving directions of the first movable platform 6621 and the second movable platform 6631 are always opposite, that is, the moving directions of the two side rollers 65 are always opposite, so as to change the spacing between the directional roller 64 and the side roller 65, that is, to change the cross-sectional size of the rough sanding belt segment for polishing the steel structure.

The rough polishing mechanism 6 also includes a first cleaning roller 67, a docking electric push rod 68, a fifth rotating seat 682, a side tube seat 69 and a first impurity collecting component 9. A linkage shaft 671 is provided at one end of the first cleaning roller 67. A plurality of docking inserts 6711 are arranged at equal angles along the circumference of the linkage shaft 671 on the outer wall of the linkage shaft 671. A fixing plate 681 is installed at the output end of the docking electric push rod 68. A rotating sleeve 691 is rotatably installed at the head end of the side tube seat 69. A first gear 692 is installed on the rotating sleeve 691. A through hole is provided on the first gear 692 to slide with the linkage shaft 671. A plurality of positioning strips 6921 are arranged at equal angles along the circumference of the linkage shaft 671. Two adjacent positioning strips 6921 are arranged at equal angles along the circumference of the linkage shaft 671. A docking groove 6922 for plugging with the docking strip 6711 is formed between the positioning strips 6921, a through hole for the linkage shaft 671 to pass through is opened on the mounting plate 61, the docking electric push rod 68 is arranged on the back of the mounting plate 61, the fifth rotating seat 682 is fixed on the fixed plate 681, one end of the linkage shaft 671 is rotatably connected to the fifth rotating seat 682, the tail end of the side tube seat 69 is fixedly connected to the front part of the mounting plate 61, the driving roller 63 is provided with a second gear 631, the second gear 631 is meshed with the first gear 692, the first impurity collection component 9 is arranged at the front part of the mounting plate 61, and the first impurity collection component 9 is located directly above the driving roller 63.

The mounting plate 61 is driven to rotate by the rotating assembly 62, so that the directional roller 64 is at the top and the driving roller 63 is at the bottom. The position of the first impurity collecting assembly 9 also changes with the rotation of the mounting plate 61. Then, one of the side rollers 65 is driven to approach the first cleaning roller 67 by the moving assembly 66. Then, the docking electric push rod 68 drives the fixed plate 681 to move backward. The fixed plate 681 drives the fifth rotating seat 682, the linkage shaft 671 and the first cleaning roller 67 to move backward synchronously. Then, the docking strip 6711 on the linkage shaft 671 can be gradually inserted into the corresponding docking groove 6922. The linkage shaft 671 and the first gear 692 complete the alignment. Then, the first motor 611 drives the driving roller 63 to rotate, the driving roller 63 drives the second gear 631 to rotate, the second gear 631 drives the first gear 692 to rotate in the opposite direction, the first gear 692 drives the rotating sleeve 691 and the linkage shaft 671 to rotate in the opposite direction, the linkage shaft 671 drives the first cleaning roller 67 to rotate synchronously, the driving roller 63 drives the coarse sandblasting belt to rotate in a direction exactly opposite to the rotation direction of the first cleaning roller 67, when the coarse sandblasting belt passes between the driving roller 63 and the first cleaning roller 67, the first cleaning roller 67 can clean the surface of the coarse sandblasting belt, and impurities can be collected by the first impurity collecting component 9.

The first impurity collecting assembly 9 includes a sealing plate 91 and a first collecting box 92. The sealing plates 91 are provided with two. A first rotating shaft 93 is provided on both sides of one end of the sealing plate 91. A fan-shaped notch 931 is provided on the first rotating shaft 93. Two symmetrically arranged inclined plates 94 are provided at the bottom of the first collecting box 92. A feed inlet 95 is formed between the two inclined plates 94. A discharge pipe 96 is provided at the top of the first collecting box 92. A suction pump 961 is installed on the discharge pipe 96. A collecting tank 962 is detachably installed on one end of the discharge pipe 96. Two symmetrically arranged rotating grooves 921 are provided on the inner walls of both sides of the first collecting box 92, which are rotatably matched with the first rotating shaft 93. A fan-shaped limit block 922 is provided in the rotating groove 921. The cross-sectional area of the fan-shaped limit block 922 is smaller than the cross-sectional area of the fan-shaped notch 931. The fan-shaped limit block 922 is arranged in the fan-shaped notch 931. The first collecting box 92 is horizontally arranged at the front of the mounting plate 61.

Impurities on the surface of the rough sanding belt cleaned by the first cleaning roller 67 can fall into the first collecting box 92, and then the impurities can enter the feed port 95 through the inclined plate 94, and then the impurities can enter the first collecting box 92, and then the impurities in the first collecting box 92 are pumped into the discharge pipe 96 by the suction pump 961, and then the impurities can enter the collection tank 962. The position of the sealing plate 91 can be limited by the cooperation of the fan-shaped limit block 922 and the fan-shaped groove 931, that is, the angle of rotation of the sealing plate 91 around the axis of the first rotating shaft 93 is limited, and the sealing plate 91 cannot rotate around the axis of the first rotating shaft 93 to a vertical downward state. When the mounting plate 61 is driven to rotate by the rotating assembly 62 and the first collecting box 92 is at the top again, the sealing plate 91 can rotate by its own gravity, and the two sealing plates 91 can just close the feed port 95.

The fine polishing mechanism 7 includes a sanding belt roller 71, a side bracket 72 and a fifth motor 73. There are three sanding belt rollers 71. The side bracket 72 is fixedly connected to the driving mechanism 8. The three sanding belt rollers 71 are distributed in a triangular shape. Two sanding belt rollers 71 are rotatably arranged on the front part of the side bracket 72. The fifth motor 73 is horizontally arranged on the back of the side bracket 72, and the output end of the fifth motor 73 is fixedly connected to another sanding belt roller 71. Fine polishing sanding belts are sleeved on the three sanding belt rollers 71. The driving mechanism 8 includes a first L-frame 81, a second L-frame 82 and a sixth motor 83. The second L-frame 82 is fixedly connected to the driving mechanism 8. A second rotating shaft 84 is rotatably mounted on the L frame 82, a second sprocket 85 is mounted on one end of the second rotating shaft 84, a third sprocket 86 is mounted on the output end of the sixth motor 83, a connecting block 721 is provided on the back of the side bracket 72, the first L frame 81 is arranged on the inner wall on the other side of the polishing workbench 1, the second L frame 82 is fixedly connected to the bottom of the first L frame 81, the sixth motor 83 is arranged on the top of the second L frame 82, the second sprocket 85 is connected to the third sprocket 86 through a chain transmission, and the other end of the second rotating shaft 84 is fixedly connected to the connecting block 721.

The sixth motor 83 drives the third sprocket 86 to rotate, the third sprocket 86 drives the second sprocket 85 to rotate through the chain, the second sprocket 85 drives the second rotating shaft 84 to rotate, and the second rotating shaft 84 drives the connecting block 721 and the side bracket 72 to rotate synchronously, thereby changing the polishing angle of the fine abrasive belt, so that the fine abrasive belt can not only polish flat steel structures, but also polish steel structures with angles or curved steel structures.

The fine polishing mechanism 7 also includes a second impurity collecting assembly 74, which includes a horizontal push electric push rod 741, an L-shaped suspension 742 and a second collecting box 743. A seventh motor 744 is installed on the side wall of the L-shaped suspension 742, and a second cleaning roller 745 is installed on the output end of the seventh motor 744. An inner groove 16 for the L-shaped suspension 742 to be embedded is provided on the inner wall of the other side of the polishing workbench 1. The horizontal push electric push rod 741 is horizontally arranged on the outer wall of the other side of the polishing workbench 1, and the L-shaped suspension 742 is fixedly connected to the output end of the horizontal push electric push rod 741. The second collecting box 743 is arranged on the L-shaped suspension 742, and the second collecting box 743 is located directly below the second cleaning roller 745.

When the surface of the fine sanding belt needs to be cleaned, the push electric push rod 741 drives the L-shaped suspension 742 to move toward the fine sanding belt, and the fine sanding belt is clamped between one of the sanding belt rollers 71 and the second cleaning roller 745. Then the fifth motor 73 drives the suction sanding belt to rotate, and the sixth motor 83 drives the second cleaning roller 745 to rotate. The rotation direction of the second cleaning roller 745 is opposite to that of the fine sanding belt. After that, the surface of the fine sanding belt can be cleaned by the second cleaning roller 745, and the cleaned impurities can fall into the second collecting box 743.

Preferably, the first cleaning roller 67 and the second cleaning roller 745 may also be provided with liquid spray holes, through which the polishing liquid or ice water is sprayed out, which is the prior art.

Working principle: first place the steel structure on the bearing plate 3, then the bidirectional screw slide 41 works to clamp the two clamping blocks 43 to the two sides of the steel structure, the two clamping electric push rods 44 work, and the two clamping plates 441 clamp the other two sides of the steel structure, and then the surface treatment component before polishing is used to remove the debris, protrusions, dust layer, oil stains, rust and oxides on the surface of the steel structure, and then the movable platform 12 is driven to move by the transverse moving screw slide 11, and the movable platform 12 drives the bearing plate 3 and the steel structure to move directly under the rough polishing mechanism 6, and then the moving component 66 works, so that the cross-sectional size of the rough polishing belt segment for polishing the steel structure can be changed, and the placement angle of the rough polishing belt segment for polishing the steel structure can be changed by rotating the component 62, and the lifting component 5 is driven The bearing plate 3 and the steel structure move upward, and the steel structure contacts the coarse sanding belt. Then, the first motor 611 drives the driving roller 63 to rotate, and then the driving roller 63 drives the coarse sanding belt to rotate. Then, the steel structure can be fully polished by the coarse sanding belt through the cooperation of the transverse moving screw slide 11 and the translational moving screw slide 14. After the coarse sanding is completed, the lifting component 5 drives the bearing plate 3 and the steel structure to move downward, and drives the moving platform body 12 to move in the opposite direction through the transverse moving screw slide 11. The moving platform body 12 drives the bearing plate 3 and the steel structure to move to the bottom of the fine sanding mechanism 7, and then the placement angle of the fine sanding belt is changed through the driving mechanism 8. Then, the lifting component 5, the transverse moving screw slide 11 and the translational moving screw slide 14 cooperate to allow the steel structure to be fully polished by the fine sanding belt.

Claims (10)

1. A polishing device for a building steel structure, comprising a polishing workbench (1) and a pre-polishing surface treatment component, wherein the pre-polishing surface treatment component is arranged on one side of the polishing workbench (1), and characterized in that: the polishing workbench (1) is provided with a transverse movable screw slide (11), a movable platform body (12) is installed on the transverse movable screw slide (11), a top plate (13) is provided on the top of the movable platform body (12), a translation movable screw slide (14) is provided on the top of the top plate (13), a synchronization plate (15) is installed on the slide of the translation movable screw slide (14), The synchronous plate (15) is provided with an angle adjustment component (2), the angle adjustment component (2) is provided with a bearing plate (3), the bearing plate (3) is provided with a clamping mechanism (4) for clamping a steel structure, the movable platform (12) is provided with a lifting component (5) for driving the top plate (13) to rise and fall, and a rough polishing mechanism (6) is provided on an inner side wall of one side of the polishing workbench (1), the rough polishing mechanism (6) comprising a mounting plate (61), a rotating component (62) for driving the mounting plate (61) to rotate, a driving roller (63), a directional roller (64), and two side rollers (65). ) and a moving assembly (66) for driving the two side rollers (65) to always move in opposite directions, a first motor (611) is installed on the back of the mounting plate (61), a first rotating seat (612) is provided on the front of the mounting plate (61), the rotating assembly (62) is arranged on the inner side wall of one side of the polishing workbench (1), the mounting plate (61) is arranged on the rotating assembly (62), the driving roller (63) passes through the mounting plate (61) and is fixedly connected to the output end of the first motor (611), the directional roller (64) is rotatably arranged on the first rotating seat (612), and the The orientation roller (64) is located directly below the driving roller (63); the moving assembly (66) is arranged at the front of the mounting plate (61); the two side rollers (65) are arranged on the moving assembly (66), and the two side rollers (65) are located on both sides of the driving roller (63); the driving roller (63), the orientation roller (64) and the two side rollers (65) are sleeved with a fine polishing belt; the inner side wall of the other side of the polishing workbench (1) is provided with a fine polishing mechanism (7) and a driving mechanism (8) for adjusting the placement angle of the fine polishing mechanism (7); and the fine polishing mechanism (7) is arranged on the driving mechanism (8). 2. The polishing device for building steel structure according to claim 1, characterized in that: the angle adjustment component (2) comprises a second rotating seat (21), a connecting plate (22), a worm (23) and a second motor (24), the second rotating seat (21) is provided with two symmetrically arranged third rotating seats (211), the connecting plates (22) are provided with two, the bottom of the connecting plates (22) is provided with an arc edge, the bottom of one of the connecting plates (22) is provided with a half gear (221), the second rotating seat (21) is arranged on the top of the synchronization plate (15), the two connecting plates (22) are symmetrically arranged on the bottom of the bearing plate (3), the two connecting plates (22) are rotatably arranged on the second rotating seat (21), the worm (23) is rotatably arranged on the two third rotating seats (211), the half gear (221) is meshed with the worm (23), the second motor (24) is arranged on the top of the synchronization plate (15), and the output end of the second motor (24) is fixedly connected to the worm (23). 3. The polishing device for building steel structure according to claim 1 is characterized in that: the clamping mechanism (4) comprises a bidirectional screw slide (41) and a side plate (42), two movable slides are installed on the bidirectional screw slide (41), and both slides of the bidirectional screw slide (41) are provided with a clamping block (43), a slide groove (431) is provided on the top of the clamping block (43), a first slider (432) is slidably provided in the slide groove (431), a slide hole is provided on the first slider (432), a synchronization block (433) is provided on the top of the first slider (432), a resistance column (434) is provided on the synchronization block (433), and a mounting seat (434) is provided in the slide groove (431). 435), a slide rod (436) slidably matched with the slide hole is provided between the mounting seat (435) and the wall of the slide groove (431), a spring (437) is sleeved on the slide rod (436), and the two ends of the spring (437) respectively contact the wall of the slide groove (431) and the first slide block (432), the side plates (42) are provided with two, a clamping electric push rod (44) is provided on the back of the side plate (42), and a clamping plate (441) is installed on the output end of the clamping electric push rod (44), the bidirectional screw slide (41) is arranged on the bearing plate (3) along the length direction of the bearing plate (3), and the two side plates (42) are symmetrically arranged on both sides of the bearing plate (3) along the width direction of the bearing plate (3). 4. The polishing device for building steel structure according to claim 1 is characterized in that: the lifting component (5) includes a lifting electric push rod (51) and a guide slide frame (52), the guide slide frame (52) is provided with four, and a guide block (521) is provided in the guide slide frame (52), the lifting electric push rod (51) is vertically arranged in the movable platform (12), the four guide slide frames (52) are rectangularly arranged on the inner wall of the movable platform (12), and the top of the four guide blocks (521) are fixedly connected to the bottom of the top plate (13). 5. The polishing device for building steel structure according to claim 1, characterized in that: the rotating assembly (62) comprises a third motor (621), a ring gear (622) and a fourth rotating seat (623), a driving gear (624) is installed on the output end of the third motor (621), a rotating column (625) is rotatably installed on the fourth rotating seat (623), the third motor (621) and the fourth rotating seat (623) are arranged on the inner side wall of one side of the polishing workbench (1), the ring gear (622) is arranged on the outer wall of the mounting plate (61), the driving gear (624) is meshed with the ring gear (622), and the rotating column (625) is fixedly connected to the back of the mounting plate (61). 6. The polishing device for building steel structure according to claim 1, characterized in that: the moving assembly (66) comprises a bearing seat (661), a first screw rod (662), a second screw rod (663) and a fourth motor (664), the bearing seat (661) is provided with four, the first screw rod (662) is screwed with a first moving platform (6621), the second screw rod (663) is screwed with a second moving platform (6631), the first moving platform (6621) and the second moving platform (6631) are both provided with a side seat (665), the spiral directions of the first screw rod (662) and the second screw rod (663) are opposite, one end of the first screw rod (662) and the second screw rod (663) are both provided with a first sprocket (666), the four bearing seats (661) are arranged in a rectangular shape On the front part of the mounting plate (61), two symmetrically arranged stabilizing rods (667) are provided between two bearing seats (661) on the same side; the first movable platform (6621) and the second movable platform (6631) are both provided with guide holes for guiding and cooperating with the stabilizing rods (667); the first screw rod (662) is rotatably arranged on the two bearing seats (661); the second screw rod (663) is rotatably arranged on the other two bearing seats (661); the two first sprocket wheels (666) are connected by a chain transmission; the fourth motor (664) is arranged on a bearing seat (661) away from the first sprocket wheel (666); and the output end of the fourth motor (664) is fixedly connected to the other end of the first screw rod (662); and the two side rollers (65) are rotatably arranged on the two side seats (665), respectively. 7. The polishing device for building steel structure according to claim 6 is characterized in that: the rough polishing mechanism (6) further comprises a first cleaning roller (67), a docking electric push rod (68), a fifth rotating seat (682), a side tube seat (69) and a first impurity collecting assembly (9), one end of the first cleaning roller (67) is provided with a linkage shaft (671), a plurality of docking inserts (6711) are arranged at equal angles along the circumference of the linkage shaft (671) on the outer wall thereof, a fixing plate (681) is installed at the output end of the docking electric push rod (68), a rotating sleeve (691) is rotatably installed at the head end of the side tube seat (69), a first gear (692) is installed on the rotating sleeve (691), a through hole is opened on the first gear (692) for sliding cooperation with the linkage shaft (671), a plurality of positioning strips are arranged at equal angles along the circumference thereof in the through hole (6921), a docking groove (6922) for plugging with the docking strip (6711) is formed between two adjacent positioning strips (6921), a through hole for the linkage shaft (671) to pass through is opened on the mounting plate (61), the docking electric push rod (68) is arranged on the back of the mounting plate (61), the fifth rotating seat (682) is fixed on the fixed plate (681), one end of the linkage shaft (671) is rotatably connected to the fifth rotating seat (682), the tail end of the side tube seat (69) is fixedly connected to the front of the mounting plate (61), the driving roller (63) is provided with a second gear (631), the second gear (631) is meshed with the first gear (692), the first impurity collection component (9) is arranged at the front of the mounting plate (61), and the first impurity collection component (9) is located directly above the driving roller (63). 8. The polishing device for building steel structure according to claim 7 is characterized in that: the first impurity collecting component (9) comprises a sealing plate (91) and a first collecting box (92), the sealing plates (91) are provided with two, both sides of one end of the sealing plate (91) are provided with a first rotating shaft (93), the first rotating shaft (93) is provided with a fan-shaped notch (931), the bottom of the first collecting box (92) is provided with two symmetrically arranged inclined plates (94), a feed port (95) is formed between the two inclined plates (94), the top of the first collecting box (92) is provided with a discharge pipe (96), the discharge pipe (96) 6) is installed with a suction pump (961), and a collection tank (962) is detachably installed on one end of the discharge pipe (96), and two symmetrically arranged rotation grooves (921) are provided on the inner walls on both sides of the first collection box (92) and are rotatably matched with the first rotating shaft (93), and a fan-shaped limit block (922) is provided in the rotation groove (921), and the cross-sectional area of the fan-shaped limit block (922) is smaller than the cross-sectional area of the fan-shaped notch (931), and the fan-shaped limit block (922) is arranged in the fan-shaped notch (931), and the first collection box (92) is horizontally arranged in front of the mounting plate (61). 9. The polishing device for building steel structure according to claim 1, characterized in that: the fine polishing mechanism (7) comprises a sanding belt roller (71), a side bracket (72) and a fifth motor (73), the sanding belt roller (71) is provided with three, the side bracket (72) is fixedly connected to the driving mechanism (8), the three sanding belt rollers (71) are distributed in a triangular shape, two of the sanding belt rollers (71) are rotatably arranged on the front part of the side bracket (72), the fifth motor (73) is horizontally arranged on the back of the side bracket (72), and the output end of the fifth motor (73) is fixedly connected to another sanding belt roller (71), the three sanding belt rollers (71) are sleeved with fine polishing sanding belts, and the driving mechanism (8) comprises a first L-frame (81), a second L-frame ( 82) and a sixth motor (83), a second rotating shaft (84) is rotatably mounted on the second L-frame (82), a second sprocket (85) is mounted on one end of the second rotating shaft (84), a third sprocket (86) is mounted on the output end of the sixth motor (83), a connecting block (721) is provided on the back of the side bracket (72), the first L-frame (81) is arranged on the inner wall of the other side of the polishing workbench (1), the second L-frame (82) is fixedly connected to the bottom of the first L-frame (81), the sixth motor (83) is arranged on the top of the second L-frame (82), the second sprocket (85) and the third sprocket (86) are connected via a chain transmission, and the other end of the second rotating shaft (84) is fixedly connected to the connecting block (721). 10. The polishing device for building steel structure according to claim 9, characterized in that: the fine polishing mechanism (7) further includes a second impurity collecting component (74), the second impurity collecting component (74) includes a horizontal push electric push rod (741), an L-shaped suspension (742) and a second collecting box (743), a seventh motor (744) is installed on the side wall of the L-shaped suspension (742), a second cleaning roller (745) is installed on the output end of the seventh motor (744), an inner groove (16) for the L-shaped suspension (742) to be embedded is opened on the inner wall of the other side of the polishing workbench (1), the horizontal push electric push rod (741) is horizontally arranged on the outer wall of the other side of the polishing workbench (1), the L-shaped suspension (742) is fixedly connected to the output end of the horizontal push electric push rod (741), the second collecting box (743) is arranged on the L-shaped suspension (742), and the second collecting box (743) is located directly below the second cleaning roller (745).