CN212704906U

CN212704906U - Novel multifunctional flame cutting machine

Info

Publication number: CN212704906U
Application number: CN202021335726.8U
Authority: CN
Inventors: 王晔玲; 陈东磊; 杨健鹏; 姚刚
Original assignee: Zhendong Metallurgical Technology Jiangsu Co ltd
Current assignee: Zhendong Metallurgical Technology Jiangsu Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-03-16
Anticipated expiration: 2030-07-09

Abstract

The utility model relates to a novel multifunctional flame cutting machine, which consists of an air source generating device, a deburring slag blowing device, a dust removing device, a pilot constant pressure valve and a cutting machine body, wherein the air source outlet of the air source generating device is connected with an air storage tank through a pipeline, the air storage tank is connected with one end of a cutting gas hose of a cart drag chain device through a pipeline, and the other end of the cutting gas hose is connected with an air inlet of an energy valve station through a hard pipe; the energy valve station is provided with a pressure regulating valve, an electromagnetic valve and a pilot constant pressure valve, the pipeline connecting the air inlet of the energy valve station and the air inlet of the trolley drag chain device is provided with the pressure regulating valve and the pilot constant pressure valve, and the air outlet of the trolley drag chain device is connected with the air inlet of the cutting gun through a metal hose; the deburring slag-blowing device consists of a deburring spray gun and a deburring nozzle, and the dust removing device consists of a dust hood, a dust removing pipeline and a dust removing electromagnetic valve. The utility model discloses utilize fast sword cutting to improve flame cut machine's cutting efficiency, reduce the loss of cut, its cutting surface is leveled and is hung the slag and easily clear up less, clears away casting blank cutting plane defect, realizes that casting blank cutting plane no burr levels, improves the quality of casting blank.

Description

Novel multifunctional flame cutting machine

Technical Field

The utility model relates to a novel multi-functional flame cutting machine.

Background

In the current production process, after a casting blank is preheated by a flame cutting machine, the casting blank is cut by cutting oxygen with large fluctuation of oxygen pressure through violent combustion, so that a large slit is easily generated, a large amount of slag is adhered to the lower part of the slit of the casting blank to form a molten tumor, and when the molten tumor is too large, a scar is easily left on a finished steel blank. Along with the cutting speed is faster, the flame of the cutting nozzle is larger, the generated slag is more, the generated clinker is larger, and meanwhile, a large amount of smoke dust generated in the cutting process is diffused in the air to influence the production environment. As the requirements for the quality of casting blanks, the production efficiency and the production environment in China are continuously improved, the operation rate of equipment is continuously improved along with the improvement of the productivity of the casting machine, the maintenance time is continuously reduced, and further requirements for the stability and the reliability of the equipment are provided. Therefore, in view of the above various requirements, it is an object of the present invention to develop a multifunctional torch cutting machine.

Disclosure of Invention

An object of the utility model is to provide a novel multi-functional flame cutting machine, the device has fast sword cutting function, constant voltage cutting function, burring cutting function, dust removal cutting function.

The utility model provides a novel multi-functional flame cutting machine, blow sediment device, dust collector, guide's formula constant pressure valve and cutting machine body by air supply generating device, burring and constitute, wherein:

the gas source generating device is arranged outside the cutting machine body, a gas source outlet of the gas source generating device is connected with a gas storage tank through a pipeline, the gas storage tank is connected with one end of a cutting gas hose of the cart drag chain device through a pipeline, and the other end of the cutting gas hose is connected with a gas inlet of the valve station through a hard pipe;

the energy valve station is arranged on the cutting machine body and above the cart drag chain device, a pressure regulating valve, an electromagnetic valve and a pilot type constant pressure valve are arranged on the energy valve station, a pipeline connecting a first air inlet of the energy valve station and an air inlet of the cart drag chain device is provided with the pressure regulating valve and the pilot type constant pressure valve, and an air outlet of the cart drag chain device is connected with an air inlet of the cutting gun through a metal hose;

the deburring slag-blowing device consists of a deburring spray gun and a deburring nozzle, the deburring slag-blowing device is positioned behind the granulating water device, the granulating water device is positioned on the cutting machine body, the deburring spray gun is welded on the granulating water device through a steel pipe support, and the deburring nozzle is aligned to the lower surface of a casting blank; the air source is connected with one end of a deburring air hose of the cart drag chain device through a pipeline, the other end of the deburring air hose is connected with a second air inlet capable of being connected with the valve station through a hard pipe, and an air outlet capable of being connected with the deburring spray gun through the hard pipe;

dust collector comprises dust excluding hood, dust removal pipeline and the solenoid valve for dust removal, the dust excluding hood both sides are welded on the steel pipe of grain water installation both sides by the support, synchronous closing device is located the rear of dust excluding hood, the dust excluding hood is located the cast flow top, the dust excluding hood both sides are equipped with the dust removal pipeline, dust removal pipeline one end is connected can be between the exhaust port for dust removal in the valve station, be equipped with the solenoid valve for dust removal between exhaust port for dust removal and the dust removal pipeline, the gas vent for dust removal of dust removal pipeline is connected through the dust removal hose one end in hard tube and the cart tow chain device, the gas washer is connected to the dust removal hose other end in the cart tow chain device.

The utility model discloses a function as follows:

(1) the fast knife cutting function:

the multifunctional flame cutting machine device realizes the function of fast cutting by using the hydrogen-oxygen mixed gas produced by the gas source generating device arranged outside, and as shown in figure 1, the gas source of the multifunctional flame cutting machine device is conveyed to the valve station through the cart drag chain device to provide gas for cutting for the cutting machine body. The specific working process is as follows: the cutting gas source is generated by the gas source generating device positioned outside, the gas source is conveyed to the cutting torch through the pipeline system, the gas source of the cutting torch is converted from preheated oxygen into oxyhydrogen mixed gas, the oxyhydrogen mixed gas is also called as brown gas, and the brown gas is used for cutting a casting blank. Because the flame heat is concentrated, the combustion intensity is high and the combustion speed is high, a molten pool can be quickly formed on the surface of the casting blank, the preheating and cutting time required by the casting blank is reduced, the cutting speed can be increased to 300-450mm/min from the current 250-320mm/min, the efficiency of the flame cutting machine is improved, the cutting gap is smaller than that of the original natural gas cutting, and the cutting gap is basically controlled to be 4-6 mm. Because the flame of burning brown gas is concentrated, the obtained cutting section is smoother, the surface is less in slag adhering and easier to clean.

The function is based on improving product quality, has also taken into account green clean development when improving process efficiency, and its used air supply is along with the production along with usefulness, even reveal also because of hydrogen proportion is little easily to fly to scatter and be difficult for gathering, can not take place malignant accidents such as gas station explosion, and its burning back only produces steam again, guarantees the green safety of on-the-spot production, the non-staining environment.

The utility model discloses a this function has the advantage of high-efficient high-quality green production, makes cutting rate, cutting quality and cutting environment all obtain improving.

(2) Constant pressure cutting function:

multi-functional flame cut machine device replaces traditional cutting oxygen relief pressure valve through installing the guide's formula constant pressure valve on can the valve station, realizes the constant voltage cutting function, as shown in fig. 2, before utilizing the cutting air supply cutting, it is invariable with air supply pressure through the guide's formula constant pressure valve earlier, guarantees the stability of cutting the gas that uses in the cutting process, reaches stable cutting, reduces the purpose because of the unstable produced burr of air supply.

The specific working process is as follows: before the flame cutting machine opens the Brown gas to cut the casting blank, the Brown gas needs to pass through the energy valve station, and the Brown gas can be really used for cutting the casting blank after pressure reduction. When the cutting gas passing through the pilot constant pressure valve is under the action of the pressure of the valve body control membrane head, the pressure of the gas output by the valve body control membrane head is more stable, and the pressure fluctuation is controlled to be about 0.1 kilogram. The stable air pressure can make the cutting process more stable, and the stability of air supply has also further avoided the consumption of unstable gas flow, makes the cutting terminal surface more level and more smooth simultaneously.

The function ensures the stability of the process and improves the product quality. Along with the promotion of cutting speed, can improve the requirement of the stability of cutting air supply, air supply pressure is more stable more is of value to the promotion to cutting speed and cutting end face when having guaranteed the cutting level and smooth, has guaranteed finished product quality.

The utility model discloses a problem of the stability of cutting air supply when cutting has been solved to this function has the advantage that improves production stability and finished product quality.

(3) The deburring and cutting functions are as follows:

the multifunctional flame cutting machine device realizes the deburring and cutting functions by arranging the deburring device, as shown in figure 3, the deburring spray gun is positioned on one side of the casting blank, and the purpose of removing burrs on the lower surface of the cutting slot of the casting blank is achieved by an air source sprayed out of a nozzle of the deburring spray gun.

The specific working process is as follows: when the brown gas is turned on by the flame cutting machine to cut a casting blank, the deburring spray gun positioned on one side of the casting flow forms a certain angle with the lower surface of the casting blank, the slag blowing nozzle arranged at the end part of the spray gun is aligned with a slot on the lower surface of the casting blank, and meanwhile, the electromagnetic valve of the deburring slag blowing device is turned on to enable special mixed gas to be sprayed out through the slag blowing nozzle to form high-speed airflow to blow away and granulate slag on the lower surface of the slot of the casting blank, so that the effect of removing burrs to improve the quality of the blank is.

The function not only ensures the high efficiency of the process, but also improves the product quality. As the cutting speed increases, the vigorous combustion between brown gas and the cast slab generates a certain amount of slag to adhere to the lower surface of the cast slab, and burrs are formed. If the burrs are too large, scars are easily left on finished products when the next procedure is carried out, and the quality of the finished products is affected. The function effectively improves the blank quality.

The utility model discloses a cutting slot tumor problem has been solved to this function, has the advantage that improves the finished product quality.

(4) Dust removal cutting function:

the multifunctional flame cutting machine device realizes the dust removal and cutting functions by arranging the dust removal device on the cutting torch, and as shown in figure 4, the dust removal cover positioned above the casting blank enables the dust splashed during cutting to be better treated, thereby creating conditions for better production environment.

The specific working process is as follows: when the brown gas is turned on by the flame cutting machine to cut the casting blank, the dust removing cover positioned on the cutting gun is subjected to the air draft effect of the dust removing pipeline, negative pressure is formed inside the dust removing cover to suck smoke generated during cutting into the pipeline, and the smoke is treated by the total dust removing system to reach the national emission standard and then is discharged into the atmosphere. Therefore, the effect of removing the smoke dust on site is achieved, and the cleanness of the production environment on site is ensured.

The function further improves the field production environment and achieves the purpose of green production. Along with the increase of the cutting speed, a large amount of smoke and dust can be generated by the violent combustion between the brown gas and the casting blank, and the production site is influenced. The dust is effectively collected through the dust removal device, and the field environment quality is improved.

The utility model discloses a problem that the on-the-spot cutting smoke and dust is diffused has been solved to this function, has the advantage that improves the production environment, builds green clean production environment.

Drawings

FIG. 1 is a schematic structural view of an air source generating device of the present invention;

fig. 2 is a schematic structural view of the pilot-operated constant pressure valve of the present invention;

FIG. 3 is a schematic structural view of the deburring and slag-blowing device of the present invention;

FIG. 4 is a schematic structural view of the dust removing device of the present invention;

fig. 5 is a schematic structural view (front view) of the present invention;

reference numbers in the figures: 1 is air supply generating device, 2 is the gas holder, 3 is cart tow chain device, 4 is the cutting machine body, 5 is the casting blank, 6 is can the valve station between, 7 is the guide's formula constant pressure valve, 8 is the grain water installation, 9 is dolly tow chain device, 10 is the burring spray gun, 11 is the burring nozzle, 12 is the dust removal pipeline, 13 is the dust excluding hood, 14 is synchronous closing device, 15 is the solenoid valve for the dust removal, 16 is the gas washer, 17 is the burning torch.

Detailed Description

The present invention will be further described with reference to the following examples and drawings.

Example 1: as shown in fig. 1-5, the device consists of an air source generating device 1, a pilot-operated constant pressure valve 7, a deburring and slag blowing device, a dust removing device and a cutting machine body 4. The air source generating device 1 is arranged outside the cutting machine body 4 and mainly generates a cutting air source. The produced gas source is conveyed into the gas storage tank 2 through a pipeline for storage, then the gas is conveyed from the gas storage tank 2 to the cart drag chain device 3 through the pipeline, the gas is conveyed to the valve station 6 through a cutting gas hose of the cart drag chain device 3 and a hard pipe, the gas is conveyed to the trolley drag chain device 9 through the pipeline after being regulated by a pressure regulating valve inside the valve station 6, and the gas is conveyed to a cutting gun for cutting through a metal hose on the trolley drag chain device 9.

The pilot type constant pressure valve 7 is located on the energy valve station 6. The valve station 6 can be arranged on a pressure regulating valve and an electromagnetic valve, and the valve station 6 can be positioned on the cutting machine body 4 and is connected with the cart drag chain device 3 through a hard pipe above the cart drag chain device 3. The pilot constant pressure valve 7 replaces a traditional cutting oxygen pressure reducing valve and is positioned on a cutting pipeline in the valve station 6, and a cutting air source is conveyed to the trolley drag chain device 9 through a hard pipeline after the pressure of the cutting air source is adjusted by the pilot constant pressure valve, and then conveyed to the cutting gun 17 through a metal hose on the trolley drag chain device 9 for cutting.

The deburring slag-blowing device mainly comprises a deburring spray gun 10 and a deburring nozzle 11, is positioned behind the granulating water device 8, is welded on the granulating water device 8 through a steel pipe support, and the deburring nozzle 11 is aligned to the lower surface of the casting blank 5. Because the deburring slag-blowing device achieves the purpose of deburring by utilizing high-speed airflow, the used air source of the deburring slag-blowing device enters the cutting machine body 4 through the cart drag chain device 3 through a pipeline, and is directly conveyed to the deburring spray gun 10 through a hard pipe after the pressure of the pipeline of the valve station 6 is adjusted.

The dust removing device consists of a dust removing cover 13, a dust removing pipeline and a dust removing electromagnetic valve. The dust hood 13 is arranged above the casting flow, two sides of the dust hood are welded on the steel pipes on two sides of the granulating water device 8 through brackets, and the synchronous pressing device 14 is positioned behind the dust hood 13. Dust removal pipelines are arranged on two sides of the dust removal cover 13 to discharge smoke dust, the dust removal pipelines are connected with a special dust discharge pipeline in the cart drag chain device 3 after passing through a dust removal electromagnetic valve and a hard pipe in the energy valve station 6, and the pipeline is connected with an external air washer to remove the smoke dust in the air as much as possible.

The working process of the utility model is as follows: after the casting blank 5 reaches a preset distance, the synchronous pressing device 14 presses down, the cutting machine body 4 and the casting blank 5 start to move synchronously on a roller way, when the casting blank 5 reaches a proper position, the cutting gun 17 also moves to a preset position, preheating oxygen is turned on to preheat the blank, when the cutting temperature is reached, Brown gas with overpressure adjusted through the pilot constant pressure valve 7 is turned on, and meanwhile electromagnetic valves of the deburring and slag blowing device and the dust removal device are turned on. With the advance of the cutting gun 17, the casting blank cut by the stabilized Brown gas has small slot and flat cutting surface, and simultaneously, under the action of high-speed airflow formed by a slag blowing nozzle at the end part of the deburring spray gun 10 of the deburring slag blowing device aiming at the lower surface of the slot, the slag on the surface of the slot is blown away and granulated, so that the burrs generated by cutting are further reduced. The dust removing device sucks a large amount of smoke dust generated on the surface during cutting, further processes the smoke dust and then discharges the smoke dust.

Claims

1. The utility model provides a novel multi-functional flame cutting machine, by air supply generating device, burring blow sediment device, dust collector, guide's formula constant pressure valve and cutting machine body and constitute its characterized in that: