CN116079258B

CN116079258B - Laser cutting machine

Info

Publication number: CN116079258B
Application number: CN202310369301.0A
Authority: CN
Inventors: 蒋琪
Original assignee: Jiangsu Yancheng Suling Machinery Co ltd
Current assignee: Jiangsu Yancheng Suling Machinery Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-06-27
Anticipated expiration: 2043-04-10
Also published as: CN116079258A

Abstract

The invention relates to the technical field of laser beam processing, in particular to a laser cutting machine which comprises a frame body, a laser cutting head, a driving device and a processing device. The driving device is arranged on the frame body, the laser cutting head is arranged on the driving device, the driving device is used for driving the laser cutting head to move, the laser cutting head can move to cut the pipe fitting to be cut, and one end of the shell is connected with the water-gas integrated processor. According to the laser cutting machine, the treatment device is arranged in the pipe fitting to be cut, so that when the laser cutting head cuts to generate waste gas, a large amount of waste gas is directly sucked by the water-gas integrated processor in the pipe fitting, the suction space is saved, the suction effect is good, a small part of waste gas is absorbed by water, slag generated by cutting directly falls into water, and water is used for cooling.

Description

Laser cutting machine

Technical Field

The invention relates to the technical field of laser beam processing, in particular to a laser cutting machine.

Background

At present, a laser cutting machine has become a mainstream production machine in metal cutting, in the production process, a laser gun set melts at a target position at a high temperature by using energy released when a laser beam irradiates on the surface of a workpiece, then molten metal is blown away from the workpiece by a blowing system on the laser gun set so as to achieve a cutting effect, in laser cutting, about 40% of materials are vaporized into steam under the action of a high-power-density laser beam to disappear, and 60% of materials are blown away from the bottom of a cutting seam as an ejection by auxiliary gas.

However, in the whole process of laser cutting, various adverse factors can be generated to influence the cutting quality and even damage the pipe fitting. For example: the dust containing particle dust and a large amount of harmful substances can be generated in the cutting process, the operation of laser cutting equipment is not facilitated, the damage to human health is also greatly caused, particularly, when a cut workpiece is a pipe fitting, the dust can be greatly present in the pipe fitting, the cutting quality is also influenced, the slag cut by the laser gun set is easy to adhere in the pipe fitting in the cutting process of the existing laser cutting machine, in addition, the residual laser rays can be continuously transmitted downwards in a laser mode after laser cutting, although the energy is weakened to a certain extent, the other surface of the pipe fitting is still easy to damage when the pipe fitting is cut, and the pipe fitting is adversely influenced.

Disclosure of Invention

The invention provides a laser cutting machine, which aims to solve the problems that the existing laser cutting machine can generate various adverse factors in the whole laser cutting process, influence the cutting quality and even damage a pipe.

The invention relates to a laser cutting machine which adopts the following technical scheme: a laser cutting machine is used for cutting a pipe fitting to be cut and comprises a frame body, a laser cutting head, a driving device and a processing device; the driving device is arranged on the frame body, the laser cutting head is arranged on the driving device, the driving device is used for driving the laser cutting head to move, and the laser cutting head can move to cut the pipe fitting to be cut; the utility model provides a water vapor integrated processor, the shell one end links to each other with the aqueous vapor integrated processor, the induction port has been seted up to the shell upper end, initial induction port and laser cutting head are in same vertical direction, shell slidable mounting is in waiting to cut the pipe fitting, shell and the sealed setting of pipe fitting inner wall, and the shell can be along waiting the axial direction synchronous motion of cutting the pipe fitting along with the laser cutting head, make waste gas can follow the induction port and get into in the shell, the aqueous vapor integrated processor can extract the waste gas that gets into from the induction port, aqueous vapor integrated processor can send water in to the shell, the slag after making the cutting can fall into in the water, be provided with concave lens in the shell, concave lens sets up under the induction port.

Further, an air suction channel, a water inlet channel and a water outlet channel are defined in the shell, and are sequentially arranged in the vertical direction, and are respectively communicated with the water-gas integrated processor, and a fan is arranged in the water-gas integrated processor and can extract waste gas entering through the air suction port; the water-gas integrated processor can send water into the water inlet channel, and the water inlet channel is communicated with the water outlet channel, so that water can be discharged from the water outlet channel after entering through the water inlet channel.

Further, a filter assembly is arranged in the water-gas integrated processor, the filter assembly can filter water flowing out of the water outlet channel, and the water-gas integrated processor can send the filtered water into the water inlet channel again.

Further, the casing includes overhead gage, lower baffle, preceding baffle and two side shield, overhead gage and lower baffle all set up along the axial direction of waiting to cut the pipe fitting, and overhead gage and lower baffle parallel arrangement, two curb plates perpendicular to overhead gage and lower baffle, and the both ends of overhead gage and lower baffle are connected respectively to two curb plates, the vertical direction setting is followed to preceding baffle, and preceding baffle connects overhead gage, lower baffle and two side shields, preceding baffle can carry out the shutoff with the casing side, the suction inlet is seted up in the junction of overhead gage and preceding baffle, concave lens sets up between lower baffle and preceding baffle.

Further, be provided with first baffle in the casing, first baffle sets up along the axial direction of waiting to cut the pipe fitting, is limited between first baffle and the overhead gage bleed passageway is provided with the second baffle in the casing, and the second baffle sets up and is in under the first baffle along the axial direction of waiting to cut the pipe fitting, is limited between first baffle and the second baffle the passageway of intaking, is limited between second baffle and the lower baffle the passageway of intaking, water fills between passageway, play water passageway and the preceding baffle, makes between overhead gage, preceding baffle and the water form sealed space, and first baffle, second baffle and overhead gage are equal to preceding baffle distance.

Further, a sealing strip is arranged between the upper baffle plate and the inner wall of the pipe fitting, and the sealing strip is made of rubber.

Further, the driving device comprises a first moving component, a second moving component and a third moving component, the first moving component is arranged on the frame body, the first moving component is positioned above the pipe fitting to be cut, the first moving component can move in the axial direction of the pipe fitting to be cut, the second moving component is arranged on the first moving component, the second moving component is positioned above the pipe fitting to be cut, and the second moving group can move on the first moving component in the radial direction of the pipe fitting to be cut; the laser cutting head and the third moving assembly are both installed on the second moving assembly, and the third moving assembly can drive the laser cutting head to move along the vertical direction.

The beneficial effects of the invention are as follows: according to the laser cutting machine, the treatment device is arranged in the pipe fitting to be cut, the air suction port is arranged in the same vertical direction as the laser cutting head, so that when the laser cutting head cuts to generate waste gas, a large amount of waste gas is directly sucked by the water-gas integrated processor in the pipe fitting, the air suction space is saved, the air suction effect is good, a small part of waste gas is absorbed by water, slag generated by cutting directly falls into water, is cooled by water and finally falls on the concave lens, slag generated by cutting of the laser gun set is prevented from being stuck in the pipe fitting after being melted, residual laser rays after laser cutting pass through the water from the position to be cut and finally fall on the concave lens, the laser rays are scattered by the concave lens and fall into the other surface of the pipe fitting to be cut, and the energy of the laser rays is further weakened by the water and the concave lens, so that the pipe fitting to be cut is prevented from being damaged.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of an embodiment of a laser cutter according to the present invention;

FIG. 2 is an assembly view of a tubular to be cut and a housing of an embodiment of a laser cutter of the present invention;

FIG. 3 is a cross-sectional view of the front view of FIG. 2;

fig. 4 is an enlarged view at a in fig. 3.

In the figure: 100. a frame body; 200. a first moving assembly; 300. a second moving assembly; 400. a laser cutting head; 500. pipe fittings to be cut; 510. a cut position; 520. a position to be cut; 600. a processing device; 601. a housing; 602. an air suction port; 610. a sealing strip; 620. a front baffle; 630. an air extraction channel; 640. a water inlet channel; 650. a water outlet channel; 660. a concave lens; 670. a first separator; 680. a second separator; 700. and a water-gas integrated processor.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

An embodiment of a laser cutter of the present invention is shown in fig. 1 to 4.

A laser cutting machine for cutting a pipe 500 to be cut, comprising a frame 100, a laser cutting head 400, a driving device and a processing device 600.

The frame body 100 is a rectangular frame formed by welding a plurality of steel plates and I-steel, the upper end of the frame body 100 is provided with a mounting plate, and before the frame body is used, the pipe fitting 500 to be cut is horizontally placed and fixed on the mounting plate. The driving device is installed on the frame body 100, the laser cutting head 400 is installed on the driving device, the driving device is used for driving the laser cutting head 400 to move, the laser cutting head 400 can move to cut the pipe fitting 500 to be cut, the laser cutting head 400 is of the prior art, and the cutting principle is not repeated here.

The driving device comprises a first moving assembly 200, a second moving assembly 300 and a third moving assembly, wherein the first moving assembly 200 is installed on the frame body 100, the first moving assembly 200 is located above the pipe fitting 500 to be cut, the first moving assembly 200 can move in the axial direction of the pipe fitting 500 to be cut, the second moving assembly 300 is installed on the first moving assembly 200, the second moving assembly 300 is located above the pipe fitting 500 to be cut, and the second moving assembly 300 can move on the first moving assembly 200 along the radial direction of the pipe fitting 500 to be cut. The laser cutting head 400 and a third moving assembly, which is not shown in the drawing, are mounted on the second moving assembly 300, and the third moving assembly is capable of driving the laser cutting head 400 to move in a vertical direction. That is, when the first moving assembly 200 moves along the axial direction of the pipe 500 to be cut at the upper end of the frame 100, the laser cutting head 400 is synchronously driven to move along the axial direction of the pipe 500 to be cut, when the second moving assembly 300 moves along the radial direction of the pipe 500 to be cut at the first moving assembly 200, the laser cutting head 400 is synchronously driven to move along the radial direction of the pipe 500 to be cut, so as to change the position of the laser cutting head 400 on the pipe 500 to be cut, and the third moving assembly drives the laser cutting head 400 to move in the vertical direction, so that the laser cutting head 400 can contact with the pipe 500 to be cut when moving downwards, and the pipe 500 to be cut can be cut. In this embodiment, the first moving assembly 200, the second moving assembly 300 and the third moving assembly are all of the prior art, and can be driven by a cylinder or a nut screw, and can be set according to specific needs during use.

The processing device 600 includes a housing 601 and a water vapor integrated processor 700, one end of the housing 601 is connected with the water vapor integrated processor 700, the housing 601 is slidably mounted in the pipe 500 to be cut, the housing 601 and the inner wall of the pipe 500 to be cut are in sealed arrangement, an air suction port 602 is formed in the upper end of the housing 601, the initial air suction port 602 and the laser cutting head 400 are in the same vertical direction, the housing 601 can synchronously move along the axial direction of the pipe 500 to be cut along with the laser cutting head 400, the air suction port 602 is always located below a position 520 to be cut on the pipe 500 to be cut, waste gas can enter the housing 601 from the air suction port 602, the water vapor integrated processor 700 can extract the waste gas entering from the air suction port 602, the water vapor integrated processor 700 can send water into the housing 601, the cut slag can fall into the water to be cooled, a concave lens 660 is arranged in the housing 601, and the concave lens 660 is arranged under the air suction port 602.

Specifically, the casing 601 is fixedly disposed on the first moving assembly 200, and when the first moving assembly 200 moves along the axial direction of the pipe 500 to be cut at the upper end of the frame 100, the laser cutting head 400 and the casing 601 are synchronously driven to move, so that the laser cutting head 400 moves above the pipe 500 to be cut, the cutting position is changed, and simultaneously the casing 601 moves, so that the position of the casing 601 inside the pipe 500 to be cut is changed, and the air suction port 602 at the upper end of the casing 601 is always located below the position 520 to be cut on the pipe 500 to be cut.

In this embodiment, the air suction channel 630, the water inlet channel 640 and the water outlet channel 650 are defined in the housing 601, and the air suction channel 630, the water inlet channel 640 and the water outlet channel 650 are sequentially arranged in the vertical direction, the air suction channel 630, the water inlet channel 640 and the water outlet channel 650 are respectively communicated with the water-gas integrated processor 700, and a fan is arranged in the water-gas integrated processor 700, so that negative pressure can be provided in the air suction channel 630 to extract the exhaust gas entering through the air suction port 602. The water-air integrated processor 700 can send water into the water inlet channel 640, and the water inlet channel 640 is communicated with the water outlet channel 650, so that water can enter through the water inlet channel 640 and then be discharged from the water outlet channel 650. Further, a filtering component is disposed in the water-gas integrated processor 700, the filtering component can filter the water flowing out of the water outlet channel 650, the water-gas integrated processor 700 can send the filtered water into the water inlet channel 640 again, and the water-gas integrated processor 700 and the filtering component are both in the prior art, so as to realize the recycling of the water.

Specifically, the casing 601 includes upper baffle, lower baffle, preceding baffle 620 and two side shield, and upper baffle and lower baffle all set up along the axial direction of waiting to cut pipe fitting 500, and upper baffle and lower baffle parallel arrangement, and two curb plates perpendicular to upper baffle and lower baffle, and the both ends of upper baffle and lower baffle are connected respectively to two curb plates, and the vertical direction setting is followed to preceding baffle 620, and preceding baffle connection upper baffle, lower baffle and two side shield, and preceding baffle 620 can carry out the shutoff with the casing 601 side, and the junction of upper baffle and preceding baffle 620 is seted up to induction port 602. The concave lens 660 is disposed between the lower barrier and the front barrier 620.

The casing 601 is internally provided with a first partition 670, the first partition 670 is arranged along the axial direction of the pipe 500 to be cut, an air exhaust channel 630 is defined between the first partition 670 and the upper baffle, a second partition 680 is arranged in the casing 601, the second partition 680 is arranged along the axial direction of the pipe 500 to be cut and is positioned right below the first partition 670, a water inlet channel 640 is defined between the first partition 670 and the second partition 680, a water outlet channel 650 is defined between the second partition 680 and the lower baffle, water is filled between the water inlet channel 640, the water outlet channel 650 and the front baffle 620, a sealing space is formed among the upper baffle, the front baffle 620 and the water, waste gas generated by cutting can only be exhausted from the air exhaust channel 630, and the distances from the first partition 670, the second partition 680 and the upper baffle to the front baffle 620 are equal.

Further, a water gauge is disposed in the housing 601 and is used for detecting the water level between the first partition 670 and the inner bottom wall of the housing 601, the water gauge is electrically connected with the water-air integrated processor 700, when the water level reaches the critical water level, the water gauge sends a signal to the water-air integrated processor 700, and the water-air integrated processor 700 reduces the water circulation speed to prevent water from exceeding the first partition 670.

Further, a plurality of sealing strips 610 are arranged between the upper baffle and the inner wall of the pipe fitting, the sealing strips 610 are made of rubber, and the cut positions 510 are sealed through the sealing strips 610 between the upper baffle and the inner wall of the pipe fitting 500 to be cut.

Further, a shielding cover, not shown in the drawing, is provided on the laser cutting head 400, and exhaust gas generated by cutting is enclosed in the shielding cover.

According to the embodiment, the treatment device 600 is arranged in the pipe fitting 500 to be cut, the air suction port 602 is arranged in the same vertical direction as the laser cutting head 400, so that when the laser cutting head 400 cuts to generate waste gas, a large amount of waste gas is directly sucked by the water vapor integrated processor 700 in the pipe fitting, the air suction space is saved, the air suction effect is good, a small part of waste gas is absorbed by water, slag generated by cutting directly falls into water, the water is used for cooling and finally falls on the concave lens 660, slag generated after cutting by the laser gun set is prevented from being stuck in the pipe body, slag cooled into solid flows continuously and leaves through the water outlet channel 650 in the water inlet channel 640, the filtered water is filtered in the filter assembly of the water vapor integrated processor 700, the filtered water is fed into the water inlet channel 640 again, the water is recycled, residual laser rays after laser cutting pass through the water absorption from the position 520 to the concave lens 660, the laser rays are scattered by the concave lens 660 and fall into the other side of the pipe fitting 500 to be cut, and the energy of the laser rays is further weakened by the water and the concave lens 660, and the pipe fitting 500 to be cut is prevented from being damaged. That is, in the present embodiment, when waste gas is generated during cutting, the processing device 600 is disposed inside the pipe 500 to be cut, and through the interaction of the concave lens 660, the water-gas integrated processor 700 and water, most of the waste gas is absorbed by the water-gas integrated processor 700, a small part of the waste gas is absorbed by the water, and the water can cool the slag generated after cutting and further absorb the residual laser rays after laser cutting; the concave lens 660 can not only disperse the residual laser rays after laser cutting, but also can receive the welding slag after cutting, prevent the slag generated after cutting from being stuck in the pipe body, and clean the slag under the scouring action of continuous circulation of water flow, so that the use of the concave lens 660 is not affected.

The specific working principle and working method of the laser cutting machine are as follows:

in use, the pipe 500 to be cut is first manually placed on the frame 100 and fixed, and then the apparatus is started to start working. The initial air suction port 602 and the laser cutting head 400 are in the same vertical direction, so that waste gas can enter the shell 601 from the air suction port 602, a fan is arranged in the water-gas integrated processor 700, negative pressure can be provided in the air suction channel 630, and a large amount of waste gas is directly sucked by the water-gas integrated processor 700 in the pipe fitting. A small portion of the exhaust gas will be absorbed by the water and the solid waste from the cutting will fall directly into the water, using the water for cooling down and eventually onto the concave lens 660, during which the concave lens 660 will warm up properly and the upper part will retain solidified slag.

Slag cooled into solid leaves through the water outlet channel 650 under the scouring action of continuous circulation of water flow in the water inlet channel 640, slag generated after cutting of the laser gun set is prevented from being stuck in the pipe body, normal operation of the concave lens 660 is ensured, the solidified splash slag is filtered in the filter assembly arranged in the water-gas integrated processor 700 after passing through the water outlet channel 650, and filtered water is sent into the water inlet channel 640 again, so that water recycling is realized.

When the first moving assembly 200 moves along the axial direction of the pipe 500 to be cut at the upper end of the frame 100, the laser cutting head 400 and the housing 601 are synchronously driven to move, so that the laser cutting head 400 moves above the pipe 500 to be cut, the cutting position is changed, meanwhile, the housing 601 moves to enable the air suction port 602 at the upper end of the housing 601 to be always located below the position 520 to be cut on the pipe 500 to be cut, and the cut position 510 is sealed by the sealing strip 610 between the upper baffle and the inner wall of the pipe 500 to be cut, so that a sealed space is formed among the upper baffle, the front baffle 620 and water, and waste gas generated by cutting can only be discharged from the air suction channel 630.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims

1. The utility model provides a laser cutting machine for wait to cut the pipe fitting, its characterized in that: comprises a frame body, a laser cutting head, a driving device and a processing device; the driving device is arranged on the frame body, the laser cutting head is arranged on the driving device, the driving device is used for driving the laser cutting head to move, and the laser cutting head can move to cut the pipe fitting to be cut; the processing apparatus includes casing and aqueous vapor integrated processor, casing one end links to each other with aqueous vapor integrated processor, the induction port has been seted up to the casing upper end, initial induction port and laser cutting head are in same vertical direction, casing slidable mounting is in waiting to cut the pipe fitting, casing and the sealed setting of pipe fitting inner wall, and the casing can be along with the laser cutting head along waiting the axial direction synchronous motion of cutting the pipe fitting, make waste gas can follow the induction port and get into in the casing, aqueous vapor integrated processor can extract the waste gas of getting into from the induction port, aqueous vapor integrated processor can send water in to the casing, make the slag after the cutting can fall into in the water, be provided with concave lens in the casing, concave lens sets up under the induction port.

2. A laser cutter as claimed in claim 1, wherein: the shell is internally provided with an air suction channel, a water inlet channel and a water outlet channel, the air suction channel, the water inlet channel and the water outlet channel are sequentially arranged in the vertical direction, the air suction channel, the water inlet channel and the water outlet channel are respectively communicated with the water-gas integrated processor, and a fan is arranged in the water-gas integrated processor and can extract waste gas entering through the air suction port; the water-gas integrated processor can send water into the water inlet channel, and the water inlet channel is communicated with the water outlet channel, so that water can be discharged from the water outlet channel after entering through the water inlet channel.

3. A laser cutter as claimed in claim 2, wherein: the water-gas integrated processor is internally provided with a filtering component, the filtering component can filter water flowing out of the water outlet channel, and the water-gas integrated processor can send the filtered water into the water inlet channel again.

4. A laser cutter according to claim 3, wherein: the casing includes overhead gage, lower baffle, preceding baffle and two side shield, overhead gage and lower baffle all set up along the axial direction of waiting to cut the pipe fitting, and overhead gage and lower baffle parallel arrangement, two curb plates perpendicular to overhead gage and lower baffle, and the both ends of overhead gage and lower baffle are connected respectively to two curb plates, the vertical direction setting is followed to the preceding baffle, and preceding baffle connects overhead gage, lower baffle and two side shields, preceding baffle can carry out the shutoff with the casing side, the suction port is seted up in the junction of overhead gage and preceding baffle, concave lens sets up between lower baffle and preceding baffle.

5. A laser cutter as defined in claim 4, wherein: be provided with first baffle in the casing, first baffle sets up along the axial direction of waiting to cut the pipe fitting, is limited between first baffle and the overhead gage air exhaust passage is provided with the second baffle in the casing, and the second baffle sets up and is in under the first baffle along the axial direction of waiting to cut the pipe fitting, is limited between first baffle and the second baffle water inlet channel, is limited between second baffle and the lower baffle water outlet channel, water fills between water inlet channel, water outlet channel and the preceding baffle, makes between overhead gage, preceding baffle and the water form sealed space, and first baffle, second baffle and overhead gage are equal to preceding baffle distance.

6. A laser cutter as defined in claim 4, wherein: a sealing strip is arranged between the upper baffle and the inner wall of the pipe fitting, and the sealing strip is made of rubber.

7. A laser cutter as claimed in claim 1, wherein: the driving device comprises a first moving component, a second moving component and a third moving component, wherein the first moving component is arranged on the frame body, the first moving component is positioned above the pipe fitting to be cut, the first moving component can move in the axial direction of the pipe fitting to be cut, the second moving component is arranged on the first moving component, the second moving component is positioned above the pipe fitting to be cut, and the second moving group can move on the first moving component along the radial direction of the pipe fitting to be cut; the laser cutting head and the third moving assembly are both installed on the second moving assembly, and the third moving assembly can drive the laser cutting head to move along the vertical direction.