Laser pipe cutting machine capable of removing dust and smoke

Abstract

The utility model relates to the technical field of laser pipe cutting machines, in particular to a dust and smoke removal laser pipe cutting machine which comprises a laser cutting mechanism, a feeding mechanism and a water mist flushing mechanism, the feeding mechanism comprises a sliding table and a rear chuck arranged on the sliding table, and the sliding table is close to and away from the laser cutting mechanism in a translation mode in the axial direction of a pipe. A hollow through hole is formed in the center of the rear chuck; the water mist flushing mechanism comprises a water mist spray head, and the water mist spray head is arranged at the hollow through hole so as to spray water and / or mist into the pipe clamped in the rear chuck. In the laser cutting process, water and / or mist can be sprayed forwards through the water mist spray head to wash dust and slag attached to the inner wall of the pipe, the washed water mist is discharged from the front end of the pipe, the effect of cleaning the inner wall of the pipe is achieved, the cut pipe does not need to be cleaned subsequently, and the pipe machining efficiency is improved. In addition, water and / or mist flowing in the pipe can cool the pipe, and the laser cutting quality is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser pipe cutting machine technical field, especially a laser pipe cutting machine of dust and smoke removal. BACKGROUND

[0002] Laser pipe cutting machine will produce a large amount of smoke and dust in the process of cutting processing, influence laser cutting effect and cutting accuracy, pollute workshop environment, simultaneously, this smoke has strong irritant smell, is absorbed after human body will seriously endanger the human health of operator. For this reason, the existing pipe cutting machine will set up the air draught device at the laser cutting, and the air draught device provides negative pressure and removes the smoke and dust that laser cutting process produces. However, such technical means can only suck the smoke and dust outside the pipe material, and the inner wall of the pipe material cut down still has the dust and dregs generated by laser cutting, resulting in that the pipe material cut down still needs to be cleaned, influence pipe material processing efficiency. UTILITY MODEL CONTENTS

[0003] In view of the above-mentioned defects, the utility model discloses a laser pipe cutting machine of dust and smoke removal, which sprays water and / or mist into the pipe material to clean the dust and dregs on the inner wall of the pipe material during laser cutting, so that the pipe material cut down does not need to be cleaned, and the pipe material processing efficiency is improved.

[0004] To achieve this purpose, the utility model adopts the following technical scheme: a laser pipe cutting machine of dust and smoke removal, comprising:

[0005] A laser cutting mechanism;

[0006] A feeding mechanism, the feeding mechanism comprises a sliding table and a rear chuck arranged above the sliding table, the sliding table translationally approaches and moves away from the laser cutting mechanism along the axial direction of the pipe material, and a hollow through hole is arranged at the center of the rear chuck;

[0007] A water mist flushing mechanism, the water mist flushing mechanism comprises a water mist nozzle, and the water mist nozzle is arranged at the hollow through hole to spray water and / or mist into the inside of the pipe material clamped on the rear chuck.

[0008] Optionally, it further comprises a collection water tank, and the collection water tank is located below the cutting position of the laser cutting mechanism to receive the falling pipe material and water mist.

[0009] Optionally, it further comprises a smoke and dust suction mechanism, the smoke and dust suction mechanism comprises a cover body and a negative pressure device, the cover body is located above the cutting position of the laser cutting mechanism, and the laser cutting head of the laser cutting mechanism penetrates through the cover body; and the negative pressure end of the negative pressure device is communicated into the cover body to suck the smoke and dust in the cover body.

[0010] Optionally, the laser smoke purification device is further provided with a water inlet, an air inlet and an atomizing spray assembly, the water inlet is communicated with the collecting water tank, the atomizing spray assembly is communicated with the water inlet to atomize and spray the water flowing into the collecting water tank, and the air inlet is communicated with the output end of the negative pressure device.

[0011] Optionally, the water mist flushing mechanism further comprises a gas pump and a water pump, the gas pump is arranged in the sliding table, the gas inlet end of the gas pump is connected with an external gas source, and the output end of the gas pump is connected with the gas inlet end of the water mist nozzle; the water pump is arranged in the laser smoke purification device, and the output end of the water pump is communicated with the water inlet end of the water mist nozzle to pass the water in the laser smoke purification device into the water mist nozzle.

[0012] Optionally, the gas inlet end of the water mist nozzle is provided with a gas valve, and the water inlet end of the water mist nozzle is provided with a water valve.

[0013] Optionally, the collecting water tank is provided with an inclined baffle.

[0014] Optionally, the inclined baffle is provided with a water outlet through hole.

[0015] The technical scheme provided by the utility model can have the following beneficial effects:

[0016] In the utility model, when the rear chuck clamps the rear end of the pipe, the hollow through hole of the rear chuck is communicated with the inside of the pipe. The water mist nozzle that sprays water and / or mist into the inside of the pipe is arranged in the hollow through hole of the rear chuck. In this way, in the laser cutting process, the water and / or mist can be sprayed forward by the water mist nozzle to flush the dust and slag attached to the inner wall of the pipe, the flushed water mist is discharged from the front end of the pipe, the effect of cleaning the inner wall of the pipe is achieved, the cut pipe does not need to be cleaned subsequently, and the pipe processing efficiency is improved. In addition, the water and / or mist flowing in the pipe can cool the pipe, effectively avoid the generation of a large heat affected zone around the cut, and further avoid the evaporation and oxidation of the material around the cut, so that the laser cutting quality is ensured. ACCURATE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0018] Figure 2 It is a structural schematic diagram of an embodiment of the utility model configured with a collecting water tank;

[0019] Figure 3 It is a structural schematic diagram of an embodiment of the utility model configured with a laser smoke purification device;

[0020] Wherein: 100-laser cutting mechanism, 110-front chuck, 120-laser cutting head, 200-feeding mechanism, 210-sliding table, 220-rear chuck, 221-hollow through hole, 300-water mist flushing mechanism, 310-water mist nozzle, 320-air pump, 330-water pump, 400-collecting water tank, 410-inclined baffle, 411-water outlet through hole, 500-smoke suction mechanism, 510-cover, 520-negative pressure equipment, 600-laser smoke purification equipment, 610-water inlet, 620-air inlet. DETAILED DESCRIPTION

[0021] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used merely for the purpose of explaining the present application, and should not be construed in a limiting sense.

[0022] In the description of the present application, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be construed as limiting the present application. In addition, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features, which are used to distinguish the described features, and have no order or importance.

[0023] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] The present application is described below in conjunction with Figures 1 to 3 , a laser pipe cutting machine for dust and smoke removal, comprising:

[0025] laser cutting mechanism 100;

[0026] A feeding mechanism 200, which comprises a sliding table 210 and a rear chuck 220 arranged on the sliding table 210, the sliding table 210 translates towards and away from the laser cutting mechanism 100 along the axial direction of the pipe, and the rear chuck 220 is provided with a hollow through hole 221 at the center thereof;

[0027] A water mist flushing mechanism 300, which comprises a water mist nozzle 310 arranged at the hollow through hole 221, the spraying direction of the water mist nozzle 310 is towards the laser cutting mechanism 100, so as to spray water and / or mist to the inside of the pipe clamped on the rear chuck 220. Preferably, the water mist nozzle 310 is sleeved with a sealing gasket, and the outer ring of the sealing gasket is in interference fit with the inner wall of the hollow through hole 221, so as to block the backward flow of the water and / or mist sprayed by the water mist nozzle 310.

[0028] Specifically, the laser cutting mechanism 100 comprises a front chuck 110 and a laser cutting head 120, and the laser cutting head 120 is located above the front side of the front chuck 110. The front chuck 110 clamps the pipe near the front end, and the rear chuck 220 clamps the rear end of the pipe. The laser cutting head 120 is used for cutting through the pipe part of the front chuck 110. After the laser cutting head 120 cuts the pipe, the front chuck 110 is opened, and the sliding table 210 moves forward, so that the front end of the pipe passes through the front chuck 110, and the feeding forward is realized.

[0029] In the utility model, when the rear chuck 220 clamps the rear end of the pipe, the hollow through hole 221 of the rear chuck 220 is communicated with the inside of the pipe. The water mist nozzle 310 for spraying water and / or mist to the inside of the pipe is arranged in the hollow through hole 221 of the rear chuck 220. In this way, during the laser cutting process, the dust and slag adhered to the inner wall of the pipe can be flushed forward by the water mist nozzle 310, and the flushed water mist is discharged from the front end of the pipe, so that the effect of cleaning the inner wall of the pipe is achieved, and the pipe after cutting does not need to be cleaned subsequently, and the pipe processing efficiency is improved. In addition, the water and / or mist flowing in the pipe can cool the pipe, effectively avoid the generation of a large heat affected zone around the cut, and further avoid the evaporation and oxidation of the material around the cut, so as to ensure the laser cutting quality.

[0030] Optionally, as shown in Figure 2 It also comprises a collecting water tank 400, which is located below the cutting position of the laser cutting mechanism 100, so as to receive the pipe and the water mist falling therefrom. In the embodiment, the collecting water tank 400 is arranged below the laser cutting head 120 of the laser cutting mechanism 100, so that the water / mist falling from the front end of the pipe and the pipe after cutting all fall into the collecting water tank 400.

[0031] Preferably, as shown inFigure 2 As shown, the collecting water tank 400 is provided with an inclined baffle 410. Specifically, when the cut pipe material rolls down the inclined baffle 410 to the bottom of the collecting water tank 400, the pipe material is collected to facilitate subsequent handling and removal of the pipe material.

[0032] Further, as shown, Figure 2 The inclined baffle 410 is provided with a water outlet through hole 411. By providing the water outlet through hole 411 on the inclined baffle 410, water / mist falling from the front end of the pipe material passes through the inclined baffle 410 to the bottom of the collecting water tank 400, making rational use of the space of the collecting water tank 400.

[0033] Optionally, as shown, Figure 3 Further comprising a smoke suction mechanism 500, the smoke suction mechanism 500 comprising a cover 510 and a negative pressure device 520, the cover 510 being located above the cutting position of the laser cutting mechanism 100, the laser cutting head 120 of the laser cutting mechanism 100 penetrating through the cover 510; the negative pressure end of the negative pressure device 520 being communicated to the cover 510 to suction the smoke in the cover 510. In this way, the smoke generated by the laser cutting is suctioned and collected, reducing the spread of laser smoke, reducing air pollution, and achieving the effect of green environmental protection. Specifically, the negative pressure device 520 can be a negative pressure fan.

[0034] Optionally, as shown, Figure 3 Further comprising a laser smoke purification device 600, the laser smoke purification device 600 being provided with a water inlet 610, an air inlet 620 and an atomizing spray assembly, the water inlet 610 being communicated with the collecting water tank 400, the atomizing spray assembly being communicated with the water inlet 610 to atomize and spray the water flowing into the collecting water tank 400; the air inlet 620 being communicated with the output end of the negative pressure device 520. In this embodiment, the laser smoke purification device 600 atomizes and sprays the water in the collecting water tank 400 by the atomizing spray assembly, and simultaneously introduces the gas suctioned by the smoke suction mechanism 500, so that the smoke in the suctioned gas is settled in the water mist. Reducing the discharge of laser smoke, reducing air pollution, and achieving the effect of green environmental protection.

[0035] Specifically, the water mist flushing mechanism 300 further comprises a gas pump 320 and a water pump 330, the gas pump 320 is arranged in the sliding table 210, the gas inlet end of the gas pump 320 is connected with an external gas source, and the output end of the gas pump 320 is connected with the gas inlet end of the water mist nozzle 310; the water pump 330 is arranged in the laser smoke purification equipment 600, and the output end of the water pump 330 is communicated with the water inlet end of the water mist nozzle 310, so that the water in the laser smoke purification equipment 600 is pumped into the water mist nozzle 310. In the embodiment, the water mist nozzle 310 is a three-way nozzle, the gas pump 320 pumps gas into the water mist nozzle 310, and the water pump 330 pumps the water in the laser smoke purification equipment 600 into the water mist nozzle 310. In this way, water recycling is realized, and water consumption is reduced. More specifically, the output end of the water pump 330 is communicated with the water inlet end of the water mist nozzle 310 through a hose, so as to adapt the movement of the water mist nozzle 310 with the sliding table 210.

[0036] Specifically, the water mist nozzle 310 is provided with a gas valve at the gas inlet end, and is provided with a water valve at the water inlet end. In the embodiment, the gas valve is arranged at the gas inlet end of the water mist nozzle 310, and the water valve is arranged at the water inlet end of the water mist nozzle 310, so as to adjust the gas inlet amount and the water inlet amount according to actual needs.

[0037] The technical principles of the utility model are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the utility model, and cannot be explained as limitations on the protection scope of the utility model in any way. Based on the explanations herein, other specific embodiments of the utility model can be conceived by those skilled in the art without creative labor, and these embodiments will all fall within the protection scope of the utility model.

Claims

1. A dust and fume removing laser pipe cutting machine characterized in that: The utility model relates to a laser cutting device, which comprises: a laser cutting mechanism; a feeding mechanism, which comprises a sliding table and a rear chuck provided on the sliding table, the sliding table being capable of moving towards and away from the laser cutting mechanism along the axial direction of the pipe, and the rear chuck being provided with a hollow through hole at its center; a water mist flushing mechanism, which comprises a water mist nozzle provided at the hollow through hole to spray water and / or mist into the interior of the pipe clamped on the rear chuck.

2. The pipe cutting machine according to claim 1, wherein: The utility model also comprises a collecting water tank, which is located below the cutting position of the laser cutting mechanism to receive the falling pipe and water mist.

3. The pipe cutting machine according to claim 2, wherein: The utility model also comprises a smoke suction mechanism, which comprises a cover and a negative pressure device, the cover being located above the cutting position of the laser cutting mechanism, and the laser cutting head of the laser cutting mechanism penetrating through the cover; the negative pressure end of the negative pressure device being communicated with the cover to suck the smoke in the cover.

4. The pipe cutting machine according to claim 3, wherein: The utility model also comprises a laser smoke purification device, which is provided with a water inlet, an air inlet and an atomizing spray assembly, the water inlet being communicated with the collecting water tank, the atomizing spray assembly being communicated with the water inlet to atomize and spray the water flowing into the collecting water tank, and the air inlet being communicated with the output end of the negative pressure device.

5. The pipe cutting machine according to claim 4, wherein: The water mist flushing mechanism also comprises an air pump and a water pump, the air pump being provided in the sliding table, the air inlet end of the air pump being connected with an external air source, and the output end of the air pump being connected with the air inlet end of the water mist nozzle; the water pump being provided in the laser smoke purification device, and the output end of the water pump being communicated with the water inlet end of the water mist nozzle to pass the water in the laser smoke purification device into the water mist nozzle.

6. The pipe cutting machine of claim 5, wherein: The air inlet end of the water mist nozzle is provided with an air valve, and the water inlet end of the water mist nozzle is provided with a water valve.

7. The pipe cutting machine of claim 2, wherein: The collecting water tank is provided with an inclined baffle.

8. The pipe cutting machine according to claim 7, wherein: The inclined baffle is provided with a water outlet through hole.

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