Arc striking and extinguishing plate plasma cutting device capable of efficiently recycling smoke dust

Abstract

The invention relates to the technical field of steel pipe production and manufacturing, in particular to a run-on and run-off plate plasma cutting device capable of efficiently recycling smoke dust, and aims to solve the problem of environmental pollution caused by a large amount of smoke dust generated in the cutting process when a steel pipe is cut at present. The invention provides an arc striking and extinguishing plate plasma cutting device capable of efficiently recycling smoke dust. The arc striking and extinguishing plate plasma cutting device comprises a cutting module, a first dust collection pipeline, a smoke dust recycling bin, a second dust collection pipeline and a waste recycling bin. Smoke generated when the cutting module cuts the steel pipe enters from the inlet end of the first dust collection pipeline and is discharged from the outlet end of the first dust collection pipeline; the smoke dust recycling bin communicates with the second dust collection pipeline, a through hole is formed in the smoke dust recycling bin, and smoke dust generated when the cutting module cuts the steel pipe enters the smoke dust recycling bin from the through hole and is discharged through the second dust collection pipeline; the waste recovery bin is arranged below the smoke dust recovery bin, and waste generated when the cutting module cuts the steel pipe enters the waste recovery bin. According to the invention, efficient recovery of smoke dust can be realized.

Description

Technical Field

[0001] The invention relates to the technical field of steel pipe production and manufacturing, and in particular to an arc-initiating and extinguishing plate plasma cutting device with efficient smoke recovery. Background Art

[0002] During the manufacturing process of straight seam submerged arc welded pipes, four arc-starting and extinguishing plates need to be welded at the four corners of the steel plate at the steel plate feeding station. Before the joint welding, the four arc-starting and extinguishing plates are butted against each other to guide and extinguish the submerged arc welding. After the internal and external weld inspections of the steel pipe are completed, the arc-starting and extinguishing plates need to be cut and removed. Currently, manual cutting or robot cutting is used. At present, the most efficient cutting method is to use a robot holding a plasma cutting gun for cutting, but a large amount of smoke and dust is generated during the cutting process, which pollutes the factory environment and causes great harm to the human body. Summary of the invention

[0003] The purpose of the present invention is to provide an arc-ignition plate plasma cutting device with efficient smoke recovery, so as to solve the problem that a large amount of smoke is generated during the cutting process when cutting steel pipes, resulting in environmental pollution.

[0004] In order to solve the above technical problems, the technical solution provided by the present invention is:

[0005] An arc-initiating and extinguishing plate plasma cutting device with efficient smoke recovery comprises: a cutting module, a first dust suction pipe, a smoke recovery bin, a second dust suction pipe and a waste recovery bin;

[0006] The cutting module is used for cutting steel pipes;

[0007] The inlet end of the first dust suction pipe is arranged above the cutting module, and smoke and dust generated when the cutting module cuts the steel pipe enters from the inlet end of the first dust suction pipe and is discharged from the outlet end of the first dust suction pipe;

[0008] The smoke recovery bin is arranged below the cutting module, the smoke recovery bin is connected with the second dust suction pipe, a through hole is provided on the smoke recovery bin, and smoke generated when the cutting module cuts the steel pipe enters the smoke recovery bin through the through hole and is discharged through the second dust suction pipe;

[0009] The waste recovery bin is arranged below the smoke recovery bin, and the waste generated when the cutting module cuts the steel pipe enters the waste recovery bin.

[0010] Furthermore,

[0011] The arc-ignition plate plasma cutting device with high efficiency smoke recovery also includes a dust collecting hood;

[0012] The dust collecting hood is arranged above the cutting module, and the inlet end of the first dust suction duct passes through the dust collecting hood and is arranged toward the cutting module.

[0013] Furthermore,

[0014] The first dust suction duct is communicated with the second dust suction duct.

[0015] Furthermore,

[0016] The arc-ignition plate plasma cutting device with high efficiency smoke recovery also includes a dust collector;

[0017] The dust collector is in communication with the second dust suction duct.

[0018] Furthermore,

[0019] The smoke recovery bin is provided with a hollow structure, and waste generated when the cutting module cuts the steel pipe enters the waste recovery bin through the hollow structure.

[0020] Furthermore,

[0021] A flap is provided on the hollow structure, and the flap is rotatably connected to the smoke recovery bin.

[0022] Furthermore,

[0023] The smoke recovery bin is provided with a slide plate which is inclined toward the hollow structure, and the through hole is provided on the slide plate.

[0024] Furthermore,

[0025] The cutting module includes a plasma cutting gun;

[0026] The plasma cutting gun is arranged above the smoke recovery bin.

[0027] Furthermore,

[0028] The cutting module also includes a robot;

[0029] The plasma cutting gun is mounted on the sixth axis of the robot via a connecting flange.

[0030] Furthermore,

[0031] The arc-ignition plate plasma cutting device with high efficiency smoke recovery also includes a moving module;

[0032] The moving module is connected below the waste recovery bin and can drive the waste recovery bin to move relative to the smoke recovery bin.

[0033] Based on the above technical solutions, the technical effects that can be achieved by the present invention are:

[0034] The arc-extinguishing plate plasma cutting device with efficient smoke recovery provided by the present invention is provided with two smoke recovery passages, wherein the inlet end of the first dust suction pipe is arranged above the cutting module, and the smoke generated when the cutting module cuts the steel pipe enters from the inlet end of the first dust suction pipe and is discharged from the outlet end of the first dust suction pipe, which is the first smoke recovery passage, and the smoke recovery bin is arranged below the cutting module, and the smoke generated when the cutting module cuts the steel pipe enters the smoke recovery bin from the through hole opened on the smoke recovery bin, and is then discharged through the second dust suction pipe, which is the second smoke recovery passage, and the waste generated when the cutting module cuts the steel pipe enters the waste recovery bin below the smoke recovery bin, and the two smoke recovery passages ensure that the smoke generated in the process of cutting the arc plate on the steel pipe is effectively recovered, thereby solving the problem of large amount of smoke generated in the cutting process when cutting the steel pipe, causing environmental pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0036] Figure 1 A schematic diagram of the structure of an arc-igniting plate plasma cutting device with efficient smoke recovery provided by an embodiment of the present invention;

[0037] Figure 2 for Figure 1 A magnified view of position A in the middle;

[0038] Figure 3 A schematic diagram of the structure of an arc-igniting plate plasma cutting device with efficient smoke recovery provided by an embodiment of the present invention;

[0039] Figure 4 It is a schematic diagram of the structure of the waste recovery bin and the mobile module;

[0040] Figure 5 This is a schematic diagram of the structure of the waste recycling bin and the mobile module from another angle;

[0041] Figure 6 This is a schematic diagram of the structure of the smoke recovery bin and the waste recovery bin.

[0042] Icons: 100-cutting module; 110-plasma cutting gun; 120-robot; 200-first dust suction duct; 300-smoke recovery bin; 310-through hole; 320-flap; 330-slide plate; 340-rotating shaft; 400-second dust suction duct; 500-waste recovery bin; 600-dust hood; 700-dust collector; 800-mobile module; 810-frame; 820-wheel; 830-motor; 840-first gear; 850-rotating rod; 900-visual sensor; 1000-steel pipe. DETAILED DESCRIPTION

[0043] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0044] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. 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.

[0045] Some embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0046] The present invention provides an arc-extinguishing plate plasma cutting device with efficient smoke recovery, comprising: a cutting module 100, a first dust suction pipe 200, a smoke recovery bin 300, a second dust suction pipe 400 and a waste recovery bin 500; the cutting module 100 is used to cut a steel pipe 1000; the inlet end of the first dust suction pipe 200 is arranged above the cutting module 100, and the smoke generated when the cutting module 100 cuts the steel pipe 1000 enters from the inlet end of the first dust suction pipe 200 and is discharged from the outlet of the first dust suction pipe 200. The smoke recovery bin 300 is arranged below the cutting module 100, and the smoke recovery bin 300 is connected with the second dust suction pipe 400. A through hole 310 is opened on the smoke recovery bin 300. The smoke generated when the cutting module 100 cuts the steel pipe 1000 enters the smoke recovery bin 300 from the through hole 310 and is discharged through the second dust suction pipe 400. The waste recovery bin 500 is arranged below the smoke recovery bin 300. The waste generated when the cutting module 100 cuts the steel pipe 1000 enters the waste recovery bin 500.

[0047] The arc-extinguishing plate plasma cutting device with efficient smoke recovery provided by the present invention is provided with two smoke recovery passages, wherein the inlet end of the first dust suction pipe 200 is arranged above the cutting module 100, and the smoke generated when the cutting module 100 cuts the steel pipe 1000 enters from the inlet end of the first dust suction pipe 200 and is discharged from the outlet end of the first dust suction pipe 200, which is the first smoke recovery passage, and the smoke recovery bin 300 is arranged below the cutting module 100, and the smoke generated when the cutting module 100 cuts the steel pipe 1000 enters from the inlet end of the first dust suction pipe 200 and is discharged from the outlet end of the first dust suction pipe 200, which is the first smoke recovery passage. The through hole 310 opened on the dust recovery bin 300 enters the smoke recovery bin 300 and is then discharged through the second dust suction pipe 400. This is the second smoke recovery passage. The waste generated when the cutting module 100 cuts the steel pipe 1000 enters the waste recovery bin 500 below the smoke recovery bin 300. The two smoke recovery passages ensure that the smoke generated in the process of cutting the arc plate on the steel pipe 1000 is effectively recovered, which solves the problem of large amount of smoke generated in the cutting process when cutting the steel pipe 1000, causing environmental pollution.

[0048] The following combination Figure 1-Figure 6 The structure and shape of the arc-ignition plate plasma cutting device with efficient smoke recovery provided in this embodiment are described in detail.

[0049] Regarding the shape and structure of the first dust suction duct 200, in detail:

[0050] Reference Figure 1 and Figure 3 The inlet end of the first dust suction duct 200 is arranged above the cutting module 100 , and the smoke and dust generated when the cutting module 100 cuts the steel pipe 1000 enters from the inlet end of the first dust suction duct 200 and is discharged from the outlet end of the first dust suction duct 200 .

[0051] In order to improve the dust collection effect, the present embodiment is further provided with a dust collecting hood 600, which is arranged above the cutting module 100, and the inlet end of the first dust collecting duct 200 passes through the dust collecting hood 600 and is arranged toward the cutting module 100. Specifically, the inlet end of the first dust collecting duct 200 is oriented toward the cutting point direction when the cutting module 100 is working, and the extension of the dust collecting hood 600 extends in a direction away from the inlet end of the first dust collecting duct 200, similar to a trumpet shape, so as to increase the dust collection area, so that the smoke and dust gather, which is conducive to the first dust collecting duct 200 to absorb the smoke and dust.

[0052] Preferably, the dust collecting hood 600 is connected with cover plates on all sides, and a plurality of cover plates surround a space, and the cutting part of the steel pipe 1000 is located in the space. The setting of the cover plates can effectively prevent smoke and dust from leaking out.

[0053] Regarding the shape and structure of the smoke dust recovery bin 300 and the second dust suction duct 400, in detail:

[0054] Reference Figure 1 , Figure 3 and Figure 6 The smoke recovery bin 300 is arranged below the cutting module 100. A through hole 310 is opened on the smoke recovery bin 300. A cavity is arranged in the smoke recovery bin 300. The smoke generated when the cutting module 100 cuts the steel pipe 1000 enters the cavity of the smoke recovery bin 300 from the through hole 310. The cavity is connected to the second dust suction pipe 400, and the smoke is discharged through the second dust suction pipe 400.

[0055] Specifically, the high-speed combustion gas generated by plasma cutting slows down and carries a large amount of smoke after cutting the arc plate. At this time, the ejected smoke enters the cavity of the smoke recovery bin 300 through the through hole 310 to achieve smoke recovery.

[0056] In order to effectively collect dust, the present embodiment is also provided with a dust collector 700. The first dust collection duct 200 is connected to the second dust collection duct 400, and the dust collector 700 is connected to the second dust collection duct 400. Under the suction force of the dust collector 700, the smoke passing through the first dust collection duct 200 enters the dust collector 700 via the second dust collection duct 400, and the smoke passing through the smoke recovery bin 300 also enters the dust collector 700 via the second dust collection duct 400.

[0057] In an optional embodiment, the smoke recovery bin 300 is provided with a hollow structure, and the waste generated when the cutting module 100 cuts the steel pipe 1000 enters the waste recovery bin 500 through the hollow structure.

[0058] Specifically, a flap 320 is provided on the hollow structure, and the flap 320 is rotatably connected to the smoke recovery bin 300 through a rotating rod 850, and the rotating shaft 340 can be set at the middle position of the flap 320. A slide plate 330 is provided on the smoke recovery bin 300, which is tilted toward the hollow structure. After the waste falls, it slides toward the waste recovery bin 500 through the slide plate 330. The slide plate 330 is provided with through holes 310 for smoke to pass through, and the cutting smoke enters the smoke recovery bin 300 through these through holes 310.

[0059] Regarding the shape and structure of the waste recovery bin 500, in detail:

[0060] The waste recovery bin 500 is disposed below the smoke recovery bin 300 , and the waste generated when the cutting module 100 cuts the steel pipe 1000 enters the waste recovery bin 500 .

[0061] Regarding the shape and structure of the cutting module 100, in detail:

[0062] Reference Figure 1 and Figure 2The cutting module 100 includes a plasma cutting gun 110 and a robot 120. The entire robot 120 is fixedly installed on the ground. The plasma cutting gun 110 and the visual sensor 900 are installed on the 6th axis of the robot 120 through a connecting flange. A dust hood 600 is installed on the top of the robot 120, and the plasma cutting gun 110 is arranged above the smoke recovery bin 300.

[0063] Preferably, in this embodiment, two detection switches are installed on the V-shaped roller conveyor for conveying the steel pipe 1000, which respectively detect the head and tail of the steel pipe 1000, so that the head and tail of the steel pipe 1000 can be accurately stopped at the groove of the cutting slide; preferably, in this embodiment, a lifting and rotating roller is installed on the V-shaped roller conveyor for conveying the steel pipe 1000. When the steel pipe 1000 enters the work station, the lifting and rotating roller lifts and rotates the steel pipe 1000, and locates the position of the weld and the arc plate through the visual sensor 900.

[0064] The present embodiment adopts the overall design of the robot 120 grasping the plasma cutting gun 110, and the structure occupies a small space. By adjusting the posture of the robot 120, it can adapt to the cutting of arc-initiating and extinguishing plates of steel pipes 1000 with different pipe diameters, and the specifications can be quickly changed and adjusted conveniently. The present embodiment adopts a cutting direction with an inclination angle to the vertical direction. After the arc-initiating and extinguishing plate falls, it slides along the slide plate 330 with an inclination angle to the flap 320 on the upper part of the waste recovery bin 500. After the flap 320 is opened, the arc plate falls into the waste recovery bin 500, and the flap 320 is closed at the same time to ensure that the waste recovery area is spaced closed.

[0065] In order to facilitate the transportation of waste, this embodiment is also provided with a mobile module 800. Figure 3 , Figure 4 and Figure 5 The mobile module 800 is connected to the bottom of the waste recovery bin 500, and can drive the waste recovery bin 500 to move relative to the smoke recovery bin 300. The mobile module 800 and the waste recovery bin 500 can be integrally located in the underground trench of the steel pipe 1000 production operation area.

[0066] Specifically, the mobile module 800 is a mobile cart, which includes a frame 810 and wheels 820. The frame 810 is installed at the bottom of the waste recovery bin 500, and the wheels 820 are installed on the frame 810. Tracks are laid in the groove, and the wheels 820 can move along the tracks. When the cutting operation is performed, the waste recovery bin 500 is arranged below the smoke recovery bin 300 to hold the waste generated by the cutting. When the material basket of the waste recovery bin 500 is full, the cart drives out of the cutting station to unload. After unloading is completed, the cart returns to the cutting station.

[0067] As another alternative embodiment, the mobile module 800 includes a frame 810, wheels 820, a motor 830, a first gear 840 and a rotating rod 850. The frame 810 is installed at the bottom of the waste recovery bin 500, and the rotating rod 850 is rotatably connected to the frame 810. The wheels 820 are connected at both ends of the rotating rod 850. The first gear 840 is coaxially sleeved on the rotating rod 850. The motor 830 is fixed on the frame 810. The output end of the motor 830 is connected to the second gear, which is meshed with the first gear 840. The motor 830 drives the second gear to rotate, thereby driving the first gear 840 to rotate, and then driving the rotating rod 850 to rotate, so that the wheel 820 rolls along the length direction of the track.

[0068] The working process of the arc-ignition plate plasma cutting device with efficient smoke recovery provided in this embodiment is as follows:

[0069] The steel pipe 1000 is placed on the transmission roller, and the steel pipe 1000 is transported to the cutting station of the robot 120 through the transmission roller and positioned by the detection switch. The lifting and rotating wheels lift the steel pipe 1000, and the robot 120 grabs the visual sensor 900 to scan the arc plate at the pipe end. The steel pipe 1000 rotates, and after the detection sensor detects the arc plate, it sends a signal to stop the rotating roller. The robot arm carries the visual sensor 900 and the plasma cutting gun and moves forward along the axial direction of the steel pipe 1000. After the sensor detects the pipe end, the robot 120 carries the visual sensor 900 to scan the pipe end to confirm the cutting point, lowers the cutting gun, and starts the cutting operation. After the arc-initiating and extinguishing plate is cut and falls, it slides through the waste slide plate 330 to the waste recovery bin 500. The smoke generated by plasma cutting enters the smoke recovery bin 300 through the opening on the slide plate 330, and part of the smoke generated by plasma cutting is also discharged through the first dust suction pipe 200. After the cutting is completed, the robot 120 returns to its original position and waits for the next operation.

[0070] The present embodiment relates to an arc-extinguishing plate plasma cutting device with efficient recovery of smoke and dust. The entire process of feeding, positioning, cutting, arc-extinguishing plate and recovery of smoke and dust of the steel pipe 1000 is unmanned, thereby achieving full automation of the operation and efficient recovery of smoke and dust.

[0071] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A plasma cutting device with arc-ignition plate and high efficiency smoke recovery, characterized in that: include: A cutting module (100), a first dust collection duct (200), a smoke recovery bin (300), a second dust collection duct (400) and a waste recovery bin (500); The cutting module (100) is used for cutting the steel pipe (1000); The inlet end of the first dust suction duct (200) is arranged above the cutting module (100), and smoke and dust generated when the cutting module (100) cuts the steel pipe (1000) enters from the inlet end of the first dust suction duct (200) and is discharged from the outlet end of the first dust suction duct (200); The smoke recovery bin (300) is arranged below the cutting module (100), the smoke recovery bin (300) is in communication with the second dust suction pipe (400), a through hole (310) is provided on the smoke recovery bin (300), and smoke generated when the cutting module (100) cuts the steel pipe (1000) enters the smoke recovery bin (300) through the through hole (310) and is discharged through the second dust suction pipe (400); The waste recovery bin (500) is arranged below the smoke recovery bin (300), and waste generated when the cutting module (100) cuts the steel pipe (1000) enters the waste recovery bin (500).

2. The arc-ignition plate plasma cutting device with high efficiency smoke recovery according to claim 1 is characterized in that: Also includes a dust collection hood (600); The dust collecting hood (600) is arranged above the cutting module (100), and the inlet end of the first dust suction duct (200) passes through the dust collecting hood (600) and is arranged toward the cutting module (100).

3. The arc-ignition plate plasma cutting device with high efficiency smoke recovery according to claim 1 is characterized in that: The first dust collection duct (200) is in communication with the second dust collection duct (400).

4. The arc-ignition plate plasma cutting device with high efficiency smoke recovery according to claim 1 is characterized in that: Also includes a dust collector (700); The dust collector (700) is in communication with the second dust suction duct (400).

5. The arc-ignition plate plasma cutting device with high efficiency smoke recovery according to claim 1 is characterized in that: The smoke recovery bin (300) is provided with a hollow structure, and waste generated when the cutting module (100) cuts the steel pipe (1000) enters the waste recovery bin (500) through the hollow structure.

6. The arc-ignition plate plasma cutting device with high efficiency smoke recovery according to claim 5 is characterized in that: A flap (320) is provided on the hollow structure, and the flap (320) is rotatably connected to the smoke recovery bin (300).

7. The arc-ignition plate plasma cutting device with high efficiency smoke recovery according to claim 5 is characterized in that: The smoke recovery bin (300) is provided with a slide plate (330) which is arranged obliquely towards the direction of the hollow structure, and the through hole (310) is provided on the slide plate (330).

8. The arc-ignition plate plasma cutting device with high efficiency smoke recovery according to claim 1 is characterized in that: The cutting module (100) comprises a plasma cutting gun (110); The plasma cutting gun (110) is arranged above the smoke recovery bin (300).

9. The arc-ignition plate plasma cutting device with high efficiency smoke recovery according to claim 8 is characterized in that: The cutting module (100) further comprises a robot (120); The plasma cutting gun (110) is mounted on the sixth axis of the robot (120) via a connecting flange.

10. The arc-ignition plate plasma cutting device with high efficiency smoke recovery according to claim 1 is characterized in that: Also included is a mobile module (800); The moving module (800) is connected below the waste recovery bin (500) and is capable of driving the waste recovery bin (500) to move relative to the smoke recovery bin (300).

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