Laser cutting equipment for cutting I-shaped steel and U-shaped steel

Abstract

The utility model provides laser cutting equipment for cutting I-shaped steel and U-shaped steel, which comprises a working table, a conveying mechanism, a pressing mechanism, a cutting mechanism, a recycling box, a conveying belt and a filtering treatment mechanism, and the conveying mechanism comprises a first fixing seat, a first connecting block, a conveying seat and a conveying wheel. The pressing mechanism comprises a second fixing seat, a second connecting block, a buffer seat, a lifting seat and a pressing roller, the cutting mechanism comprises a third fixing seat, a third connecting block, a cutting seat and a laser cutting knife, a protective cover is arranged outside the cutting seat, and the filtering treatment mechanism comprises a suction nozzle, a filtering treatment device, an air outlet nozzle and an electric air pump. According to the device, I-shaped steel and U-shaped steel can be rapidly and automatically cut, waste materials generated during cutting can be collected, and generated harmful waste gas can be filtered and subjected to harmless treatment.

Description

Technical Field

[0001] The utility model relates to the technical field of Bailey sheet production, in particular to laser cutting equipment for cutting I-beams and U-shaped steels. Background Art

[0002] Baileys, also known as Bailey frames, Bailey beams or trusses, were first invented by a British engineer during World War II to solve the need for rapid bridge erection during the war and were named after him. They can be used for highway bridges, assembling gantry cranes, guide beams, bridge erection machines, hanging baskets, etc. Baileys have the characteristics of simple structure, convenient transportation, fast erection, large load capacity, good interchangeability and strong adaptability. At present, Baileys are assembled by welding I-beams and U-beams. When cutting existing I-beams and U-beams, only cutting equipment for I-beams and U-beams can be purchased separately. The equipment is expensive and inefficient, and a large amount of waste and harmful exhaust gas will be generated during cutting, which is easy to cause harm to the personal health and safety of workers. Utility Model Content

[0003] The purpose of the utility model is to provide a laser cutting device for cutting I-beams and U-shaped steels, which has a simple and reasonable structure, can quickly and automatically cut I-beams and U-shaped steels, can collect waste generated during cutting, and can filter and harmlessly treat harmful exhaust gases generated.

[0004] The purpose of the utility model is achieved in this way:

[0005] A laser cutting device for cutting I-beams and U-shaped steels, characterized in that it comprises a workbench, a conveying mechanism for conveying the I-beams and U-shaped steels, a clamping mechanism for pressing the I-beams and U-shaped steels and preventing them from deflecting, a cutting mechanism for laser cutting the I-beams and U-shaped steels, and a recycling box for recycling the cut waste. The workbench is horizontally arranged on the ground, a conveyor belt for conveying the cut I-beams and U-shaped steels is arranged on the right side of the workbench, and the right end of the workbench is a downwardly inclined slope, the conveying mechanism is arranged on the left side of the workbench and above the workbench, the clamping mechanism is arranged on the right side of the conveying mechanism and in the middle position above the workbench, the cutting mechanism is arranged on the right side of the clamping mechanism, the cutting end of the cutting mechanism is aligned with the table top of the workbench, and a conveying roller group for auxiliary conveying mechanism to push the I-beams and U-shaped steels into the cutting mechanism for cutting is arranged on the table top of the workbench;

[0006] Further, the conveying mechanism includes a first fixed seat, a first connecting block, a conveying seat and a conveying wheel, the first fixed seat is arranged above the workbench, the conveying seat is arranged directly below the first fixed seat, the conveying seat and the first fixed seat are fixedly connected through the first connecting block, a first lifting device is arranged in the conveying seat, there are multiple conveying wheels, the multiple conveying wheels are arranged in sequence from front to back below the conveying seat, and the upper end of the conveying wheel is connected to the lifting end of the first lifting device, and the first lifting device can control the conveying wheel to rise and fall;

[0007] Furthermore, the first lifting device can freely control the rise and fall of a single conveying wheel, and the first lifting device can realize automatic conveying of I-beams or U-shaped steels by controlling the number of descents of the conveying wheel;

[0008] Further, the clamping mechanism includes a second fixed seat, a second connecting block, a buffer seat, a lifting seat and a clamping roller, the second fixed seat is arranged in the middle of the upper part of the workbench, the buffer seat is arranged directly below the second fixed seat, the second fixed seat and the buffer seat are fixedly connected through the second connecting block, the lifting seat is arranged directly below the buffer seat, the lifting seat and the buffer seat are connected through a buffer device, the clamping roller is arranged below the lifting seat, and the upper end of the clamping roller is connected to the lifting seat, the lifting seat controls the lifting and lowering of the clamping roller, and the clamping roller can well clamp the I-beam and U-beam through the buffer device without causing damage to them;

[0009] Further, the cutting mechanism includes a third fixed seat, a third connecting block, a cutting seat and a laser cutting knife, the third fixed seat is arranged on the right side of the clamping mechanism, the cutting seat is arranged directly below the third fixed seat, the cutting seat and the third fixed seat are fixedly connected by a third connecting block, the laser cutting knife is arranged at the lower end of the cutting seat, and the working direction of the laser cutting knife is facing the table top of the workbench, a moving device is arranged inside the cutting seat, and the laser cutting knife moves back and forth in the cutting seat through the moving device, so as to quickly cut the I-beam or U-shaped steel, an inwardly inclined recessed groove is arranged on the workbench, a waste chamber is arranged below the groove, the recycling box is arranged in the waste chamber, and the port of the recycling box is facing the groove, a side door is arranged on the side of the waste chamber, and the staff can take out the recycling box through the side door;

[0010] Furthermore, a protective cover is provided outside the cutting seat, and the protective cover is arranged on the workbench, and the protective cover covers the cutting seat and the laser cutting knife, and notches are provided on the left and right sides of the protective cover for convenient transportation of I-shaped steel and U-shaped steel;

[0011] Furthermore, the workbench is provided with a filtering and processing mechanism for filtering harmful waste gas generated during cutting, the filtering and processing mechanism includes an air suction nozzle arranged in the protective cover and absorbing harmful waste gas, a filtering and processing device for filtering and harmlessly treating harmful waste gas, an air outlet nozzle for conveying harmless waste gas, an electric air pump for providing power to the air suction nozzle and the air outlet nozzle, and a pipeline connecting the air suction nozzle, the filtering and processing device, the electric air pump and the air outlet nozzle. There are multiple air suction nozzles, and the multiple air suction nozzles are arranged on the table top of the workbench and are arranged within the range covered by the protective cover. The filtering and processing device is arranged in the workbench, and the filtering and processing device is divided into a filtering area and a processing area. The filtering area is composed of multiple filter nets for filtering and treating dust, micro-particles, etc. in harmful waste gas, and the processing area is composed of multiple activated carbon layers for treating harmful substances in harmful waste gas. The air outlet nozzle is arranged outside the workbench, and the electric air pump is arranged in front of the filtering and processing device.

[0012] Working time / working principle of this utility model:

[0013] During cutting, the staff moves the I-beam or U-shaped steel to the workbench by means of a crane, and starts the laser cutting equipment. The first lifting device is started, and the conveying wheel is controlled to press against the steel to be processed according to the model of the steel to be cut. At the same time, the conveying roller group on the workbench is energized to work, and cooperates with the conveying mechanism to convey the steel to be processed forward. The clamping mechanism works, and the lifting seat drives the clamping roller to move down to press against the steel to be processed, and reduces the impact of the clamping roller on the steel to be processed through the buffer seat and the buffer device, and conveys the steel to be processed into the cutting mechanism. After conveying a certain length, the conveying roller group, conveying wheel and clamping roller stop conveying, and the laser cutting knife moves back and forth in the cutting seat through the moving device to cut the steel to a fixed length. The cut steel falls onto the conveyor belt through the landslide on the right side of the workbench, and the processed steel is collected through the conveyor belt.

[0014] During cutting, the waste generated by the laser cutting knife will fall down into the recycling box through the groove on the workbench surface for recycling. When the recycling box is almost full, the staff can take out the recycling box through the side door and collect the waste in the recycling box. The harmful exhaust gas generated by the laser cutting knife during cutting will be sucked by the electric air pump, and the harmful exhaust gas will be sucked into the filtering and processing equipment by the suction nozzle. Through the filtering area and the processing area, dust and micro particles are effectively filtered, and harmful exhaust gas is harmlessly treated, so that the harmless exhaust gas is discharged.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The laser cutting equipment can freely adjust the conveying of I-beams and U-shaped steels through the conveying mechanism, so as to realize fast and efficient cutting of Bailey sheet welding parts, with a high degree of automation, saving human resources and reducing production costs.

[0017] The laser cutting equipment is provided with a buffer seat and a buffer device. When the clamping mechanism clamps the I-beam and U-shaped steel, the I-beam and U-shaped steel can be well protected from damage to the outer contour and inner part of the I-beam and U-shaped steel due to the lowering and clamping, thereby reducing the structural performance of the Bailey sheet, and preventing the I-beam and U-shaped steel from deflecting during processing, thereby greatly improving the cutting accuracy and efficiency.

[0018] A recycling box is provided inside the laser cutting equipment, which cooperates with the groove 1 on the workbench to recycle the waste generated during laser cutting into the recycling box through the groove, and is provided with a protective cover to prevent the waste from splashing out of the groove and the workbench during cutting, thereby causing the waste to splash all over the ground and affect the health and safety of employees.

[0019] This laser cutting equipment is equipped with a filtering and processing mechanism, which can effectively filter and harmlessly treat the harmful exhaust gas generated during cutting, thereby protecting the environment and preventing harmful gases from spreading into the factory. It also protects the personal safety of employees and prevents harmful gases from causing harm to their bodies. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is the front view of the laser cutting equipment.

[0021] Figure 2 This is the structural diagram of the conveying mechanism.

[0022] Figure 3 This is the structural diagram of the clamping mechanism.

[0023] Figure 4 This is the structural diagram of the cutting mechanism.

[0024] Figure 5 Filtration processing mechanism structure diagram

[0025] Among them, 1 is a workbench, 11 is a conveying roller group, 12 is a groove, 2 is a conveying mechanism, 21 is a first fixed seat, 22 is a first connecting block, 23 is a conveying seat, 24 is a conveying wheel, 25 is a first lifting device, 3 is a clamping mechanism, 31 is a second fixed seat, 32 is a second connecting block, 33 is a buffer seat, 34 is a lifting seat, 35 is a clamping roller, 36 is a buffer device, 4 is a cutting mechanism, 41 is a third fixed seat, 42 is a third connecting block, 43 is a cutting seat, 44 is a laser cutting knife, 5 is a recycling box, 6 is a conveyor belt, 7 is a protective cover, 8 is a filtering and processing mechanism, 81 is an air suction nozzle, 82 is a filtering and processing device, 821 is a filtering area, 822 is a processing area, and 83 is an electric air pump. DETAILED DESCRIPTION

[0026] like Figure 1-5 As shown, a laser cutting device for cutting I-beams and U-shaped steels is characterized in that it includes a workbench 1, a conveying mechanism 2 for conveying I-beams and U-shaped steels, a clamping mechanism 3 for pressing the I-beams and U-shaped steels and preventing them from deflecting, a cutting mechanism 4 for laser cutting the I-beams and U-shaped steels, and a recycling box 5 for recycling the cut waste. The workbench 1 is horizontally arranged on the ground, and a conveyor belt 6 for conveying the cut I-beams and U-shaped steels is arranged on the right side of the workbench 1, and the right end of the workbench 1 is a downwardly inclined slope. The conveying mechanism 2 is arranged on the left side of the workbench 1 and above the workbench 1, the clamping mechanism 3 is arranged on the right side of the conveying mechanism 2 and in the middle position above the workbench 1, the cutting mechanism 4 is arranged on the right side of the clamping mechanism 3, and the cutting end of the cutting mechanism 4 is aligned with the table top of the workbench 1, and a conveying roller group 11 is provided on the table top of the workbench 1 to assist the conveying mechanism 2 in pushing the I-beams and U-shaped steels into the cutting mechanism 4 for cutting.

[0027] Furthermore, the conveying mechanism 2 includes a first fixed seat 21, a first connecting block 22, a conveying seat 23 and a conveying wheel 24. The first fixed seat 21 is arranged above the workbench 1, and the conveying seat 23 is arranged directly below the first fixed seat 21. The conveying seat 23 and the first fixed seat 21 are fixedly connected through the first connecting block 22. A first lifting device 25 is provided in the conveying seat 23. There are multiple conveying wheels 24, and the multiple conveying wheels 24 are arranged in sequence from front to back below the conveying seat 23, and the upper end of the conveying wheel 24 is connected to the lifting end of the first lifting device 25. The first lifting device 25 can control the conveying wheel 24 to rise and fall.

[0028] Furthermore, the first lifting device 25 can freely control the rise and fall of a single conveying wheel 24 . The first lifting device 25 can realize automatic conveying of I-beams or U-shaped steels by controlling the number of descents of the conveying wheels 24 .

[0029] Furthermore, the clamping mechanism 3 includes a second fixed seat 31, a second connecting block 32, a buffer seat 33, a lifting seat 34 and a clamping roller 35. The second fixed seat 31 is arranged in the middle above the workbench 1, and the buffer seat 33 is arranged directly below the second fixed seat 31. The second fixed seat 31 and the buffer seat 33 are fixedly connected via the second connecting block 32. The lifting seat 34 is arranged directly below the buffer seat 33. The lifting seat 34 and the buffer seat 33 are connected via a buffer device 36. The clamping roller 35 is arranged below the lifting seat 34, and the upper end of the clamping roller 35 is connected to the lifting seat 34. The lifting seat 34 controls the rising and falling of the clamping roller 35. The clamping roller 35 can clamp the I-beam and U-beam well through the buffer device 36 without causing damage to them.

[0030] Furthermore, the cutting mechanism 4 includes a third fixed seat 41, a third connecting block 42, a cutting seat 43 and a laser cutting knife 44. The third fixed seat is arranged on the right side of the clamping mechanism 3, and the cutting seat 43 is arranged directly below the third fixed seat 41. The cutting seat 43 and the third fixed seat 41 are fixedly connected through the third connecting block 42. The laser cutting knife 44 is arranged at the lower end of the cutting seat 43, and the working direction of the laser cutting knife 44 is facing the table top of the workbench 1. A moving device is arranged inside the cutting seat 43. The laser cutting knife 44 moves back and forth in the cutting seat 43 through the moving device, so as to quickly cut I-beams or U-shaped steels. A groove 12 inclined inwardly and recessed is provided on the workbench 1, and a waste chamber is provided below the groove 12. The recycling box 5 is arranged in the waste chamber, and the port of the recycling box 5 is facing the groove 12. A side door is provided on the side of the waste chamber, and the staff can take out the recycling box 5 through the side door.

[0031] Furthermore, a protective cover 7 is provided outside the cutting seat 43, and the protective cover 7 is arranged on the workbench 1. The protective cover 7 covers the cutting seat 43 and the laser cutting knife 44. The left and right sides of the protective cover 7 are provided with notches for convenient transportation of I-beams and U-shaped steels.

[0032] Furthermore, the workbench 1 is provided with a filtering and processing mechanism 8 for filtering harmful waste gas generated during cutting, and the filtering and processing mechanism 8 includes an air suction nozzle 81 arranged in the protective cover 7 and absorbing harmful waste gas, and also includes a filtering and processing device 82 for filtering and harmlessly treating harmful waste gas, and also includes an outlet nozzle for conveying harmless waste gas, and also includes an electric air pump 83 for providing power to the air suction nozzle 81 and the air outlet nozzle, and also includes a pipeline connecting the air suction nozzle 81, the filtering and processing device 82, the electric air pump 83 and the air outlet nozzle, and the air suction nozzle 81 has multiple, multiple air suction nozzles 81 ... The nozzle 81 is arranged on the table top of the workbench 1 and is arranged within the range covered by the protective cover 7. The filtering treatment device 82 is arranged in the workbench 1. The filtering treatment device 82 is divided into a filtering area 821 and a processing area 822. The filtering area 821 is composed of a plurality of filter nets for filtering and treating dust, micro particles, etc. in harmful exhaust gas. The processing area 822 is composed of a plurality of activated carbon layers for treating harmful substances in harmful exhaust gas. The air outlet nozzle is arranged outside the workbench 1, and the electric air pump 83 is arranged in front of the filtering treatment device 82.

[0033] The present utility model is not limited to the above-mentioned embodiments. On the basis of the technical solution disclosed in the present utility model, technicians in this field can make some substitutions and deformations to some technical features therein according to the disclosed technical content without creative labor, and these substitutions and deformations are all within the protection scope of the present utility model.

Claims

1. A laser cutting device for cutting I-beams and U-beams, characterized in that: The invention comprises a workbench (1), a conveying mechanism (2) for conveying I-beams and U-shaped steels, a pressing mechanism (3) for pressing the I-beams and U-shaped steels and preventing them from deflecting, a cutting mechanism (4) for laser cutting the I-beams and U-shaped steels, and a recycling box (5) for recycling the cut waste. The workbench (1) is horizontally arranged on the ground. A conveyor belt (6) for conveying the cut I-beams and U-shaped steels is arranged on the right side of the workbench (1), and the right end of the workbench (1) is downward. The conveying mechanism (2) is arranged on the left side of the workbench (1) and above the workbench (1); the pressing mechanism (3) is arranged on the right side of the conveying mechanism (2) and in the middle position above the workbench (1); the cutting mechanism (4) is arranged on the right side of the pressing mechanism (3); the cutting end of the cutting mechanism (4) is aligned with the table surface of the workbench (1); and a conveying roller group (11) is provided on the table surface of the workbench (1) to assist the conveying mechanism (2) in pushing the I-shaped steel and the U-shaped steel into the cutting mechanism (4) for cutting; The conveying mechanism (2) comprises a first fixed seat (21), a first connecting block (22), a conveying seat (23) and a conveying wheel (24); the first fixed seat (21) is arranged above the workbench (1); the conveying seat (23) is arranged directly below the first fixed seat (21); the conveying seat (23) and the first fixed seat (21) are fixedly connected via the first connecting block (22); a first lifting device (25) is arranged in the conveying seat (23); there are a plurality of conveying wheels (24); the plurality of conveying wheels (24) are sequentially arranged from front to back below the conveying seat (23); the upper ends of the conveying wheels (24) are connected to the lifting ends of the first lifting device (25); the first lifting device (25) can control the conveying wheels (24) to rise and fall; The first lifting device (25) can freely control the rise and fall of a single conveying wheel (24), and the first lifting device (25) realizes automatic conveying of I-shaped steel or U-shaped steel by controlling the number of descents of the conveying wheel (24).

2. The laser cutting equipment for cutting I-beams and U-beams according to claim 1, characterized in that: The clamping mechanism (3) comprises a second fixed seat (31), a second connecting block (32), a buffer seat (33), a lifting seat (34) and a clamping roller (35). The second fixed seat (31) is arranged in the middle of the upper part of the workbench (1). The buffer seat (33) is arranged directly below the second fixed seat (31). The second fixed seat (31) and the buffer seat (33) are fixedly connected via the second connecting block (32). The lifting seat (34) is arranged directly below the buffer seat (33). The lifting seat (34) and the buffer seat (33) are connected via a buffer device (36). The clamping roller (35) is arranged below the lifting seat (34). The upper end of the clamping roller (35) is connected to the lifting seat (34). The lifting seat (34) controls the lifting and lowering of the clamping roller (35). The clamping roller (35) can well clamp the I-shaped steel and the U-shaped steel through the buffer device (36) without causing damage to them.

3. The laser cutting equipment for cutting I-beams and U-beams according to claim 1, characterized in that: The cutting mechanism (4) comprises a third fixing seat (41), a third connecting block (42), a cutting seat (43) and a laser cutting knife (44); the third fixing seat is arranged on the right side of the pressing mechanism (3); the cutting seat (43) is arranged directly below the third fixing seat (41); the cutting seat (43) and the third fixing seat (41) are fixedly connected via the third connecting block (42); the laser cutting knife (44) is arranged at the lower end of the cutting seat (43), and the working direction of the laser cutting knife (44) faces the workbench (1). The table top is provided with a moving device inside the cutting seat (43), and the laser cutting knife (44) moves forward and backward in the cutting seat (43) through the moving device, so as to quickly cut the I-beam or U-shaped steel. The workbench (1) is provided with a groove (12) that is inclined inwardly and recessed, and a waste chamber is provided below the groove (12). The recycling box (5) is arranged in the waste chamber, and the port of the recycling box (5) is directly opposite to the groove (12). A side door is provided on the side of the waste chamber, and a staff member can take out the recycling box (5) through the side door.

4. The laser cutting equipment for cutting I-beams and U-beams according to claim 3 is characterized in that: A protective cover (7) is provided outside the cutting seat (43), and the protective cover (7) is arranged on the workbench (1). The protective cover (7) covers the cutting seat (43) and the laser cutting knife (44), and notches are provided on the left and right sides of the protective cover (7) for facilitating the transportation of I-shaped steel and U-shaped steel.

5. The laser cutting equipment for cutting I-beams and U-beams according to claim 1 or 4, characterized in that: The workbench (1) is provided with a filtering mechanism (8) for filtering harmful waste gas generated during cutting. The filtering mechanism (8) includes an air suction nozzle (81) arranged in the protective cover (7) and absorbing harmful waste gas, a filtering device (82) for filtering and harmlessly treating harmful waste gas, an air outlet nozzle for conveying harmless waste gas, an electric air pump (83) for providing power to the air suction nozzle (81) and the air outlet nozzle, and a pipeline connecting the air suction nozzle (81), the filtering device (82), the electric air pump (83) and the air outlet nozzle. The air suction nozzle (81) is provided with a plurality of air suction nozzles, and the plurality of air suction nozzles (81) are provided with a plurality of air suction nozzles (83). 1) is arranged on the table top of a workbench (1) and within the range covered by a protective cover (7); the filtering treatment device (82) is arranged inside the workbench (1); the filtering treatment device (82) is divided into a filtering area (821) and a treatment area (822); the filtering area (821) is composed of a plurality of filtering nets and is used to filter and treat dust and micro-particles in harmful exhaust gas; the treatment area (822) is composed of a plurality of activated carbon layers and is used to treat harmful substances in harmful exhaust gas; the air outlet nozzle is arranged outside the workbench (1); and the electric air pump (83) is arranged in front of the filtering treatment device (82).

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