CN214641015U - Laser cutting machine's portable dust pelletizing system and laser cutting machine - Google Patents

Abstract

The utility model relates to a laser cutting machine's portable dust pelletizing system, include: the device comprises a fixed collecting device, an exhaust gas collecting device, a movable collecting device and a photo eye detecting mechanism; the waste gas collecting device comprises a waste gas collecting component arranged corresponding to the dust removing area; in the laser cutting process of the laser cutting machine, at least one waste gas collecting assembly corresponding to the dust removing area is opened, and a fixed collecting device of the dust removing area, the waste gas collecting assembly of the dust removing area and a movable collecting device moving to the dust removing area form a closed space together. The movable dust removal system ensures that the waste gas containing a large amount of metal dust conforms to the quality standard of the atmospheric environment after being treated, and avoids the harm of the waste gas to the health of human bodies. Still relate to laser cutting machine including above-mentioned portable dust pelletizing system.

Description

Laser cutting machine's portable dust pelletizing system and laser cutting machine

Technical Field

The utility model relates to a laser cutting technical field especially relates to a laser cutting machine's portable dust pelletizing system and this laser cutting machine.

Background

Along with the enhancement of industrial production demand and environmental protection consciousness, the demand for ultra-large breadth in the laser cutting field is more and more, and the requirement for dust removal is higher and higher. The problem that dust removal processing exists in the present laser super large breadth cutting field mainly is that waste gas can't in time effectual collection filtration handles, can produce the direct emission of the waste gas that contains a large amount of metal dusts in the atmosphere, has caused the pollution and has endangered healthy to the air. In addition, the dust is not treated timely or cleanly, and can be accumulated on the surface of a product, so that unnecessary secondary treatment is caused, the quality and the working efficiency of the product are greatly influenced, and the yield of the product is reduced.

The mode of adopting dust removal processing in the existing market is to utilize fan and ventilation pipe to carry out convulsions dust removal to a plurality of regions simultaneously. When the fan is adopted to perform air draft and dust removal on a plurality of areas simultaneously, the air draft openings of the areas with super large breadth are far away from the negative pressure source, the air speed and the flow rate cannot meet the requirement of waste gas collection, and the dust removal effect is particularly poor. Therefore, a dust removing system suitable for a laser cutting machine is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the dust removal problem among the current laser cutting technical field, provide a laser cutting machine's portable dust pelletizing system, the waste gas that contains the metal dust that produces in the high-efficient cutting process of solving. Utilize portable dust pelletizing system not only can effectively collect the waste gas that contains a large amount of metal dusts, has guaranteed the quality and the yield of cutting the work piece, can avoid equipment key spare part itself to receive the pollution again, influences equipment life-span and machining precision. Further purifying the waste gas and protecting the atmospheric environment and the health at the same time.

The mobile dust removal system is particularly suitable for large-format laser cutting machines.

In order to achieve the above object, the utility model discloses a main technical scheme include:

in a first aspect: a mobile dust removal system for a laser cutting machine is provided, the laser cutting machine having an upper table top and a lower table top; the method comprises the following steps:

the fixed collecting device is positioned below the upper working table top and the lower working table top and divides the upper working table top and the lower working table top into a plurality of dust removing areas;

the waste gas collecting device is arranged on the lathe bed on two sides of the laser cutting machine and comprises a waste gas collecting component, and the waste gas collecting component is arranged corresponding to the dust removal area;

the movable collecting device is movably arranged on the machine body on two sides of the working table of the laser cutting machine and is in communication connection with the numerical control system of the laser cutting machine, so that when the laser cutting is carried out on the upper working table under the control of the numerical control system, the movable collecting device moves to a dust removal area where the laser cutting is located;

the optical eye detection mechanism is arranged on the laser cutting head to move along with the laser cutting head, is in communication connection with a numerical control system of the laser cutting machine, and is used for detecting the position of a plate to be cut;

in the laser cutting process of the laser cutting machine, at least one waste gas collecting assembly corresponding to the dust removing area is opened, and a fixed collecting device of the dust removing area, the waste gas collecting assembly of the dust removing area and a movable collecting device moving to the dust removing area form a closed space together.

In a second aspect, a laser cutting machine is further provided, which includes a bed having an upper table surface and a lower table surface, and a laser cutting head, further including: the movable dust removal system is arranged on the bed body and corresponds to the laser cutting area.

The utility model has the advantages that:

(1) the utility model discloses guaranteed that the workpiece surface is not contaminated, avoided the high cost that causes by secondary treatment, provided the yield.

(2) The utility model discloses increased light eye detection mechanism and guaranteed the waste gas effective treatment who contains a large amount of metal dusts, accorded with atmospheric environment quality standard, discharged the atmosphere, avoided the harm that waste gas produced to the health.

(3) The movable dust removal system avoids the situations that the dust removal effect of the lower working table is excessive and the dust removal effect of the upper working table is insufficient.

(4) The maximization of the resource utilization rate is ensured, and the waste of resources and the improvement of cost are avoided.

Drawings

Fig. 1 is a schematic view of the overall structure of a mobile dust removal system of a laser cutting machine according to the present invention;

fig. 2 is a schematic structural view of the waste gas collecting device and the waste gas purifying device provided by the present invention;

fig. 3 is a schematic structural view of the movable collecting device and the fixed collecting device provided by the present invention;

FIG. 4 is a schematic structural view of the middle flap valve device of the present invention;

fig. 5 is a schematic structural view of the mesoscopic eye detecting mechanism of the present invention;

fig. 6 is a partial sectional view in the direction AA in fig. 3.

[ description of reference ]

1: moving the collection device; 1-1 collecting cover; 1-2 traction mechanism; 1-3 lifting mechanisms; 1-4 of anti-burning plate; 1-5 sealing plates;

2: fixing the collecting device; 2-1, a collection port; 2-2 lining plate;

3: an optical eye detection mechanism; 3-1 photo-eye vision module; 3-2 protective housing; 3-3 cylinders;

4: an exhaust gas collection device; 4-1 flap valve means; 4-2, collecting air ducts; 4-1-1 protective net; 4-1-2 transition air ducts; 4-1-3 flap valves; 4-1-4 a first motor;

5: an exhaust gas purification device; 5-1 spark arrestors; 5-2 ash removal devices; 5-3 purifying filter element; 5-4, a collecting hopper; 5-5 of a fan.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.

Example one

As shown in fig. 1, the present embodiment relates to a mobile dust removal system for a laser cutting machine, and is particularly suitable for a large-format laser cutting machine, which is generally referred to as a work table of the laser cutting machine in the industry, and has a length greater than 8 meters and a width greater than 2 meters. The mobile dust removal system can be used for removing waste gas containing a large amount of metal dust generated in the laser cutting process, purifying the waste gas and then discharging the purified waste gas; the laser cutting machine comprises an upper working table surface and a lower working table surface.

Wherein, portable dust pelletizing system includes:

the fixed collecting device 2 is arranged on a laser cutting machine body and divides a working table top of the laser cutting machine into a plurality of dust removing areas, and the dust removing areas are areas for collecting waste gas containing metal dust generated during laser cutting. The fixed collecting device 2 is used for guiding the waste gas collection in the laser cutting process, meanwhile protecting the lathe bed of the laser cutting machine, preventing high temperature generated in the laser cutting process from firing the lathe bed, forming a sealing structure on the lathe bed, and ensuring that the waste gas is collected more effectively.

The movable collecting device 1 is installed on a lathe bed of the laser cutting machine, and when the upper working table surface is subjected to laser cutting, the movable collecting device 1 moves to a corresponding dust removal area according to an instruction sent by a numerical control system so as to be matched with the waste gas collecting device 4 to collect waste gas.

An exhaust gas collecting device 4 for collecting exhaust gas containing a large amount of metal dust generated in the cutting process; waste gas collection device 4 installs on the lathe bed of laser cutting machine both sides, and waste gas collection device 4 includes the waste gas collection subassembly, and this waste gas collection subassembly corresponds the regional setting of removing dust.

In the laser cutting process of the laser cutting machine, at least one waste gas collecting assembly corresponding to the dust removing area is opened, and the fixed collecting device 2 of the dust removing area, the waste gas collecting assembly of the dust removing area and the movable collecting device 1 which moves to the dust removing area are communicated to form a closed space together.

In addition, in order to better identify the position of the workpiece to be processed in the cutting process, so as to be beneficial for a numerical control system to calculate and partition the cutting path, the movable dust removal system is further correspondingly provided with the photo eye detection mechanism 3, and the photo eye detection mechanism 3 can move along with a laser cutting head of a laser cutting machine, so that the photo eye detection mechanism can be arranged on the laser cutting head or near the laser cutting head, which is not limited in this embodiment; meanwhile, the photo eye detection mechanism is in communication connection with the numerical control system so as to feed back the detected position information of the workpiece to be processed to the numerical control system in real time.

Above-mentioned portable dust pelletizing system has solved the not enough, technical problem that leads to waste gas to spill over, harm health and pollute atmospheric environment of big breadth laser cutting machine dust removal effect in the laser beam machining segmentation field. Meanwhile, the technical problems that the dust removal effect is insufficient, the surface of a workpiece is easy to be polluted and the workpiece can be used only by secondary treatment in the field of laser processing are solved, and the method is labor-consuming and time-consuming. In addition, the technical problem of air pollution caused by direct discharge of a large amount of metal dust is effectively solved.

Moreover, due to the arrangement of the movable collecting device 1, when the movable collecting device is applied to a large-breadth laser cutting machine, the unfavorable conditions that the dust removal effect of the lower working table is excessive and the dust removal effect of the upper working table is insufficient are effectively avoided.

Further, the mobile dust removal system provided by this embodiment may further include:

and the waste gas purification device 5 is communicated with the waste gas collection device 4, and the waste gas purification device 5 is used for forming negative pressure for sucking waste gas so as to form traction on the waste gas when the mobile dust removal system works and discharging the waste gas collected by the waste gas collection device 4 after purification treatment.

Increased the setting of light eye detection mechanism 3 on prior art's basis, sought limit intelligent recognition subregion through the light eye and removed dust, it is not enough to combine portable dust pelletizing system high efficiency to have solved the dust removal effect, leads to waste gas to spill over polluted atmosphere environment, harm harmful hazards such as health.

Example two

As shown in fig. 2, the mobile dust removing system in this embodiment includes a mobile collecting device 1, a fixed collecting device 2, an exhaust gas collecting device 4, an exhaust gas purifying device 5, and a photo eye detecting mechanism 3 disposed on a laser cutting head.

The laser cutting machine comprises an upper working table surface and a lower working table surface, an upper guide rail and a lower guide rail (not shown) are arranged on the laser cutting machine body along the extending direction of the machine body, and the upper working table surface and the lower working table surface are arranged on the laser cutting machine body through the upper guide rail and the lower guide rail respectively.

The movable collecting device 1 is arranged below the upper working table of the laser cutting machine and shares a guide rail with the lower working table, so that when laser cutting is carried out on the upper working table, the movable collecting device 1 can move to a required dust removal area along the guide rail under the control of a numerical control system; when the laser cutting is performed on the lower working table, the movable collecting device 1 stays in the parking area under the control of the numerical control system.

As shown in fig. 3, the mobile collection device 1 includes: a collecting cover 1-1; the traction mechanism 1-2 drives the collection cover 1-1 to move and is arranged on a machine body of the laser cutting machine; the lifting mechanism 1-3 is arranged on the side surface of the collecting cover 1-1; and a burning prevention plate 1-4 and a sealing plate 1-5, for example, in a substantially hopper shape. The sealing plate 1-5 can perform lifting movement through a lifting mechanism 1-3 arranged on the side surface of the collecting cover 1-1, and when the cutting path continues to perform cross-region cutting in more than two adjacent dust removing areas, the sealing plate 1-5 can descend to the lowest position through the lifting mechanism 1-3 so as to effectively guide and collect waste gas; the burn prevention plate 1-4 may be provided on the surface of the inner side of the collection cover 1-1 to protect the collection cover 1-1 from laser cutting during laser cutting.

When a workpiece to be cut is cut on the working table surface of the laser cutting machine, the movable collecting device 1 reaches a corresponding dust removal area according to an instruction sent by the system, and the collecting cover 1-1 is communicated with the machine body of the laser cutting machine, the fixed collecting device 2 and the waste gas collecting device 4 to form a closed space, so that waste gas generated in the laser cutting process can be collected and processed by the dust removal system without overflowing.

When cutting at big breadth laser cutting machine's lower table surface, remove collection device 1 and can stop at the regional F of berthhing, and by the dust pelletizing system that waste gas collection device 4, fixed collection device 2 and waste gas purification device 5 formed collects, purification treatment to waste gas, avoid appearing the surplus condition of table surface dust removal effect down.

With reference to fig. 3, in the mobile dust removing system provided in this embodiment, the fixed collecting device 2 is located below the working table, and includes a collecting port 2-1 and an inner lining plate 2-2, where the collecting port 2-1 and the inner lining plate 2-2 are both installed on the bed of the laser cutting machine, the collecting port 2-1 can guide the collected waste gas, and the inner lining plate 2-2 can prevent the laser from burning the bed and sealing the bed, so as to ensure that the waste gas can be collected more effectively.

As shown in fig. 4, in the mobile dust removing system provided in this embodiment, the waste gas collecting assembly may include a flap valve device 4-1; the exhaust gas collecting device 4 may further include a collecting duct 4-2, for example.

The flap valve device 4-1 is arranged on the machine body on two sides of the working table of the laser cutting machine and is positioned at the air exhaust port of each dust removal area so as to effectively collect waste gas.

The collecting air duct 4-2 can be positioned at the outer sides of two sides of the laser cutting machine body, the inlet end of the collecting air duct is the flap valve device 4-1, and the outlet end of the collecting air duct is connected with the waste gas purification device 5.

As shown in fig. 4, the flap valve device 4-1 includes the following specific structure: a flap valve 4-1-3 arranged at the suction opening of the dust removal area; a first motor 4-1-4 positioned at one side of the flap valve 4-1-3 to open or close the flap valve 4-1-3; the transition air duct 4-1-2 is communicated with the flap valve 4-1-3 and the collection air duct 4-2 outside the lathe bed; and the protective net 4-1-1 is positioned at the communication part of the transition air duct 4-1-2 and the collection air duct 4-2. The flap valve 4-1-3 in the flap form has the advantages of large air volume, small wind resistance and good sealing performance, thereby ensuring the air volume and the wind speed of the cross section of each dust removal area.

As shown in fig. 2, the exhaust gas purification device 5 communicating with the exhaust gas collection device 4 may include, for example: 5-1 parts of spark catcher, 5-2 parts of ash cleaning device, 5-3 parts of purifying filter element, 5-4 parts of collecting hopper and 5-5 parts of fan.

The spark catcher 5-1 is used for intercepting exhaust gas containing sparks from entering the purifying filter element 5-3 to avoid the risk of fire, and the inlet end of the spark catcher 5-1 is connected with a collecting air duct 4-2 of the exhaust gas collecting device 4; the fan 5-5 draws the waste gas containing a large amount of metal dust, so that the waste gas can completely enter the inner cavity of the waste gas purification device 5, the purification filter element 5-3 is positioned in the inner cavity, the purification filter element 5-3 can filter out dust particles in the waste gas entering the inner cavity, and then the purified gas is discharged to the atmosphere; the ash removal device 5-2 is used for cleaning the purification filter element 5-3 after cutting is finished, so that the purification filter element 5-3 is prevented from being blocked, the service life of the purification filter element 5-3 is prolonged, and the stability of waste gas collection is greatly improved; the cleaning frequency can be determined according to the requirement, namely the dust cleaning device 5-2 can repeatedly clean the purification filter element 5-3; and the collecting hopper 5-4 is used for collecting the purified metal dust particles.

As shown in fig. 6, in order to more accurately obtain the position of the workpiece to be processed, the numerical control system of the laser cutting machine is convenient to calculate the dust removal area where the cutting path is located, the mobile dust removal system provided by the embodiment can further comprise a photo-eye detection mechanism 3 in communication connection with the numerical control system of the laser cutting machine, the photo-eye detection mechanism can intelligently identify the partition for dust removal by edge finding, and by combining the structure of the dust removal system, the problems that the dust removal effect of the existing laser cutting machine is insufficient, waste gas overflows to pollute the environment, harm to human health and the like are solved. This optoeye detection mechanism 3 can move along with the laser cutting head, consequently can set up on the laser cutting head, also can set up near the laser cutting head, and this mechanism includes: the device comprises a photo eye vision module 3-1 positioned at the lower end of the photo eye detection mechanism 3, a protective shell 3-2 playing a protective role on the photo eye vision module, and a cylinder 3-3 for promoting the protective shell 3-2 to be opened so as to enable the photo eye vision module 3-1 to be in a working state. For those skilled in the art, the cylinder may be replaced by a motor, and the embodiment is not limited thereto. The photo-eye vision module 3-1 may be an imaging device such as a camera. The numerical control system determines the coordinate position of the workpiece to be cut through the photo eye detection mechanism 3, and specifically comprises the following steps:

step one, acquiring a boundary point coordinate position of a workpiece to be processed through a photo eye vision module 3-1 in a photo eye detection mechanism 3, such as a camera, and further acquiring the size of the workpiece and a cutting area where the workpiece is located;

secondly, generating a cutting path corresponding to the workpiece through the nesting software of the numerical control system;

and step three, sending the coordinate position of the cutting path to a numerical control system, so as to obtain a cutting area where the cutting path is located.

In the mobile dust removal system provided in the embodiment, the region where the actual cutting path is located is detected by the photo-eye detection mechanism 3, so that the numerical control system can accurately judge and divide the region; through removing collection device 1 and fixed collection device 2, the waste gas that contains a large amount of metal dusts can effectively enter into waste gas collection device 4, then reentrant exhaust gas purification device 5 discharges to the atmosphere again after accomplishing purification treatment. The high efficiency has been solved current laser cutting machine laser cutting in-process, and the technical problem that can't effectively collect waste gas and carry out purification treatment has avoided workpiece surface to receive the pollution, guarantees that workpiece surface does not need secondary treatment, can directly use. In addition, because the laser cutting machine is provided with the upper working table surface and the lower working table surface, the situations that the dust removal effect of the lower working table surface is excessive and the dust removal effect of the upper working table surface is insufficient are avoided through the dust removal system.

The above examples merely represent some embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (9)

1. A movable dust removal system of a laser cutting machine is provided, wherein the laser cutting machine is provided with an upper working table surface and a lower working table surface; it is characterized by comprising:

the fixed collecting device (2) is positioned below the lower working table and divides the upper working table and the lower working table into a plurality of dust removing areas;

the waste gas collecting device (4) is arranged on the lathe bed on two sides of the laser cutting machine and comprises a waste gas collecting component, and the waste gas collecting component is arranged corresponding to the dust removal area;

the movable collecting device (1) is movably arranged on the lathe bed of the laser cutting machine and is in communication connection with a numerical control system of the laser cutting machine, so that when laser cutting is carried out on the upper working table under the control of the numerical control system, the movable collecting device (1) moves to a dust removal area where the laser cutting is located;

the photo-eye detection mechanism (3) is in communication connection with a numerical control system of the laser cutting machine and is used for detecting the position of a plate to be cut;

in the laser cutting process of the laser cutting machine, at least one waste gas collecting assembly corresponding to the dust removing area is opened, and a fixed collecting device (2) of the dust removing area, the waste gas collecting assembly of the dust removing area and a movable collecting device (1) moving to the dust removing area form a closed space together.

2. A mobile dust removal system according to claim 1,

the mobile collection device (1) comprises: a traction mechanism (1-2) arranged on the body of the laser cutting machine; the collecting cover (1-1) moves along with the traction mechanism (1-2) so as to guide the waste gas generated by laser cutting; a lifting mechanism (1-3) connected to the side surface of the collecting cover (1-1); the anti-burning plate (1-4) is arranged on the collecting cover (1-1) to protect the collecting cover (1-1); and the sealing plates (1-5) move up and down along with the lifting mechanisms (1-3) so as to effectively guide and collect the waste gas.

3. The mobile dust extraction system of claim 1, wherein:

the exhaust collection assembly includes: a flap valve device (4-1) fixed on the bed body and corresponding to each dust removal area;

the exhaust gas collection device (4) further includes: and the collecting air duct (4-2) is connected with the flap valve device (4-1) and is positioned outside the lathe bed.

4. A mobile dust extraction system according to claim 3, wherein: the flap valve device (4-1) comprises: a flap valve (4-1-3) arranged at the suction opening of the dust removal area; a first motor (4-1-4) which is positioned at one side of the flap valve (4-1-3) and is used for opening or closing the flap valve (4-1-3); a transition air duct (4-1-2) communicating the flap valve (4-1-3) with the collection air duct (4-2) outside the lathe bed; and the protective net (4-1-1) is positioned at the communication part of the transition air duct (4-1-2) and the collection air duct (4-2).

5. The mobile dust extraction system of claim 1, wherein:

the stationary collecting device (2) comprises: a collecting port (2-1) for guiding the exhaust gas generated in the laser cutting process; and the lining plate (2-2) is used for protecting the bed of the laser cutting machine.

6. A mobile dust removal system according to claim 1,

the mobile dust removal system further comprises an exhaust gas purification device (5) communicated with the exhaust gas collection device (4), wherein the exhaust gas purification device (5) is used for forming negative pressure for sucking exhaust gas when the dust removal system works and treating the exhaust gas collected by the exhaust gas collection device (4).

7. A mobile dust removal system according to claim 6,

the exhaust gas purification device (5) includes: a spark catcher (5-1), a purification filter element (5-3), an ash removal device (5-2), a collecting hopper (5-4) and a fan (5-5);

the spark catcher (5-1) is used for intercepting exhaust gas containing sparks from entering the purifying filter element, and the inlet end of the spark catcher is connected with an exhaust gas collecting device (4);

the purification filter element (5-3) purifies waste gas and then discharges the waste gas into the atmosphere;

the ash removal device (5-2) is used for cleaning the purification filter element (5-3) after the laser cutting is finished;

the collecting hopper (5-4) is used for collecting the purified metal dust particles;

the fan (5-5) is used for enabling waste gas containing metal dust to pass through the purification filter element (5-3) so as to filter the dust.

8. A mobile dust removal system according to claim 1,

the photo-eye detection mechanism (3) includes: the device comprises a photo eye vision module (3-1) positioned at the lower end of the photo eye detection mechanism (3), a protective shell (3-2) playing a protective role on the photo eye vision module, and a cylinder (3-3) for promoting the protective shell (3-2) to be opened so as to enable the photo eye vision module (3-1) to be in a working state.

9. The utility model provides a laser cutting machine, is including having the lathe bed of last table surface and lower table surface to and laser cutting head, its characterized in that still includes: the mobile dust removal system of any one of claims 1-7, which is installed on the bed in an area corresponding to the laser cutting.

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