CN220902199U

CN220902199U - Fume extractor of laser cutting machine

Info

Publication number: CN220902199U
Application number: CN202322165538.5U
Authority: CN
Inventors: 李庆蕾; 李祥俊; 张禄凯; 尤校生; 李鑫鹏
Original assignee: Intelligent Equipment Co ltd Qingdao Moisturizes
Current assignee: Intelligent Equipment Co ltd Qingdao Moisturizes
Priority date: 2023-08-13
Filing date: 2023-08-13
Publication date: 2024-05-07
Anticipated expiration: 2033-08-13

Abstract

The utility model belongs to the technical field of laser cutting, in particular to a smoke discharging device of a laser cutting machine, which comprises a frame, wherein a bedplate for supporting a workpiece to be processed is arranged on the frame, a plurality of smoke discharging seats extending along the length direction of the frame are arranged below the bedplate, a plurality of smoke discharging ports are arranged on the side parts of the smoke discharging seats, first cavities are arranged on the left side wall and the right side wall of the frame, coil springs are arranged in the first cavities, coiled materials of the coil springs extend out of the first cavity and are connected with a feeding mechanism, smoke inlet holes are arranged between the coiled materials on two sides, a cutting head is arranged on the feeding mechanism, and a negative pressure is formed in a space surrounded by the coiled materials and the frame through an exhaust pipe and the smoke outlet holes in the cutting process.

Description

Fume extractor of laser cutting machine

Technical Field

The utility model relates to the technical field of laser cutting, in particular to a smoke exhausting device of a laser cutting machine.

Background

During laser cutting, the material being processed is locally burnt or melted, with a lot of smoke. These fumes can contaminate the laser path and if they enter the laser cutting head and adhere to its optical components, they can severely impact the performance of the laser cutting head. In addition, a large amount of smoke can contaminate the work environment, thereby affecting the health of the cutting operator. Therefore, the side edge of the laser processing area is usually provided with a smoke exhausting device for exhausting smoke, but when the laser cutting width is large, if the processed section is far away from the smoke exhaust port, the smoke exhausting effect is obviously reduced, and even if a high-power exhaust fan is replaced, the smoke exhausting effect still can not meet the operation requirement.

CN 209664576U discloses a smoke discharging device of a laser cutting machine, comprising a frame, wherein a bedplate for supporting a workpiece to be processed is arranged on the frame, a plurality of smoke discharging ports are arranged at intervals at the side wall of the lower part of the periphery of the bedplate, a baffle is arranged at the end face of an orifice of the smoke discharging port, and a power source drives the baffle to displace to shade or expose the orifice of the smoke discharging port. In the utility model, the smoke outlet arranged on the side wall of the laser processing area is openable, so that when the device is used, the smoke outlet adjacent to the processing area is opened, and the smoke outlet far away from the processing area is closed, thereby remarkably improving the smoke discharging efficiency and saving the energy consumption, but part of smoke can spread to a far distance and cannot be discharged through the opened smoke outlet, so that the smoke can overflow through the top.

Disclosure of utility model

In order to overcome the defects in the prior art, the utility model provides a smoke exhausting device of a laser cutting machine.

The utility model provides a laser cutting machine fume extractor, includes the frame, be equipped with the platen that is used for the bearing to treat the machined part in the frame, the below of platen is equipped with a plurality of fume extractor seats that extend along frame length direction, the lateral part of fume extractor seat is equipped with a plurality of exhaust ports, the lateral wall is equipped with first cavity about the frame, be equipped with the wind spring in the first cavity, the coiled material of wind spring stretches out first cavity and is connected with feed mechanism, the coiled material is located the below of platen, both sides be the mouth of taking a breath between the coiled material, be equipped with the cutting head on the feed mechanism, the mouth of taking a breath is located the cutting head below.

Further, the feeding mechanism comprises a supporting frame, the supporting frame is in sliding connection with a guide rail at the top of the frame through a driving mechanism, an L-shaped fixing plate is arranged at the bottom of the supporting frame and is connected with a coiled material through a base plate, a sliding groove is formed in the side wall of the frame, and the L-shaped fixing plate is in sliding connection with the sliding groove.

Further, a collecting box is arranged below the coil spring, a cleaning brush is arranged on the side wall of the first cavity, and bristles of the cleaning brush are in contact with the surface of the coil spring.

Furthermore, the collecting box is of a top opening structure, and a handle is arranged on the outer wall of the collecting box.

Further, the smoke exhaust seat is of a trapezoid structure, a second cavity is formed in the smoke exhaust seat, smoke exhaust ports are formed in two side walls of the smoke exhaust seat, and the smoke exhaust ports are connected with an exhaust fan through exhaust pipes.

Further, a through groove allowing the coiled material to pass through is formed in the top of the first cavity, the L-shaped fixing plate and the base plate clamp the end portion of the coiled material, and the L-shaped fixing plate is connected with the base plate through bolts.

Further, sealing strips are arranged at the upper and lower positions of the notch of the through groove, one end of each sealing strip is fixedly connected with the side wall of the rack, and the other end of each sealing strip is in contact with the coiled material.

By adopting the technical scheme, the utility model has the beneficial technical effects that: in the utility model, coiled materials of the coil springs extend out of the first cavity and are connected with the feeding mechanism, when cutting work is carried out, a workpiece is placed on the platen, the feeding mechanism carries out cutting work through movement, coiled materials on two sides of the machine frame move along with the movement of the feeding mechanism, in the cutting process, a smoke inlet between the coiled materials on two sides is always positioned under the cutting head, an exhaust fan forms negative pressure in a space enclosed by the coiled materials and the machine frame through the exhaust pipe and the smoke outlet, smoke generated by cutting enters the enclosed space through the smoke inlet and is diffused to the side part of the machine frame, and the smoke is discharged through the smoke outlet, so that the arrangement of the coiled materials blocks the smoke from diffusing upwards, thereby preventing a large amount of smoke from polluting the working environment and affecting the health of staff.

Drawings

FIG. 1 is a schematic diagram of a smoke exhaust device of a laser cutting machine according to the present utility model;

FIG. 2 is a front view of a smoke evacuation device of a laser cutter according to the present utility model;

FIG. 3 is a side view of a smoke evacuation device for a laser cutter according to the present utility model;

FIG. 4 is a top view of a smoke evacuation device for a laser cutter according to the present utility model;

FIG. 5 is a schematic cross-sectional view taken along the direction A-A in FIG. 3 in accordance with the present utility model;

FIG. 6 is a schematic cross-sectional view in the direction B-B of FIG. 4 in accordance with the present utility model;

FIG. 7 is an enlarged schematic view of region C of FIG. 5 in accordance with the present utility model;

Fig. 8 is an enlarged schematic view of the region D of fig. 6 according to the present utility model.

In the figure, 1, a frame, 2, a bedplate, 3, a smoke exhaust seat, 4, a smoke exhaust port, 5, a first cavity, 6, a coil spring, 7, a coiled material, 8, a cutting head, 9, a sliding rail, 10, a supporting frame, 11, an L-shaped fixing plate, 12, a base plate, 13, a sliding groove, 14, a cleaning brush, 15, a collecting box, 16, a handle, 17, a through groove, 18, a sealing strip, 19 and a smoke inlet.

Detailed Description

In order to more clearly illustrate the technical solution of the present utility model, it is obvious that the following description of the present utility model is provided by way of example only, and it is within the scope of the present utility model to one skilled in the art to obtain other embodiments according to the present utility model without inventive effort.

According to the illustrations of fig. 1-8, a smoke exhaust device of a laser cutting machine comprises a machine frame 1, a table plate 2 for supporting a workpiece to be processed is arranged on the machine frame 1, a plurality of smoke exhaust seats 3 extending along the length direction of the machine frame 1 are arranged below the table plate 2, a plurality of smoke exhaust ports 4 are arranged on the side portions of the smoke exhaust seats 3, a first cavity 5 is arranged on the left side wall and the right side wall of the machine frame 1, a coil spring 6 is arranged in the first cavity 5, a coiled material 7 of the coil spring 6 extends out of the first cavity 5 and is connected with a feeding mechanism, the coiled material 7 is located below the table plate 2, smoke inlet 19 is arranged between the coiled materials 7 on two sides, a cutting head 8 is arranged on the feeding mechanism, and the smoke inlet 19 is located below the cutting head 8.

In the above embodiment, the coiled material 7 of the coil spring 6 extends out of the first cavity 5 and is connected with the feeding mechanism, when cutting work is performed, the workpiece is placed on the platen 2, the feeding mechanism moves to perform cutting work, the coiled materials 7 on two sides of the frame 1 move along with the movement of the feeding mechanism, in the cutting process, the smoke inlet 19 between the coiled materials 7 on two sides is always located under the cutting head 8, smoke generated by cutting is discharged through the smoke inlet 19 and passes through the smoke outlet 4, so that a large amount of smoke is prevented from polluting the working environment, and the health of workers is affected.

The embodiment provides a laser cutting machine fume extractor, feed mechanism includes support frame 10, support frame 10 passes through actuating mechanism and the guide rail 9 sliding connection at frame 1 top, actuating mechanism drive feed mechanism carries out rectilinear motion among the laser cutting machine is prior art, and not the invention point is in, not shown in the figure, also do not give a detail here, the removal of support frame 10 drives L shape fixed plate 11 and removes, L shape fixed plate 11 passes through backing plate 12 and coiled material 7 to be connected, make the inlet 19 between two coiled materials 7 be located all the time under cutting head 8, the smoke and dust of being convenient for gets into in the space that coiled material 7 and frame 1 enclose through inlet 19, specific technical scheme is as follows:

The feeding mechanism comprises a support frame 10, the support frame 10 is in sliding connection with a guide rail 9 at the top of the frame 1 through a driving mechanism, an L-shaped fixing plate 11 is arranged at the bottom of the support frame 10, the L-shaped fixing plate 11 is connected with the coiled material 7 through a base plate 12, a sliding groove 13 is formed in the side wall of the frame 1, and the L-shaped fixing plate 11 is in sliding connection with the sliding groove 13.

The collecting box 15 is arranged below the coil spring 6, the cleaning brush 14 is arranged on the side wall of the first cavity 5, bristles of the cleaning brush 14 are in contact with the surface of the coil spring 6, and the bristles can clean scrap iron falling from the coil spring 7 and play a role in protecting the coil spring 6.

The collecting box 15 is of a top opening structure, a handle 16 is arranged on the outer wall of the collecting box 15, and the collecting box 15 collects scrap iron falling from the coiled material 7.

The top of the first cavity 5 is provided with a through groove 19 allowing the coiled material 7 to pass through, the L-shaped fixing plate 11 and the backing plate 12 clamp the end part of the coiled material 7, and the L-shaped fixing plate 11 is connected with the backing plate 12 through bolts.

This embodiment provides a laser cutting machine fume extractor, and the exhaust column passes through exhaust column and exhaust port 4 and forms the negative pressure in the space that coiled material 7 and frame 1 enclose, makes the smoke and dust enter enclosing the space through advancing the tobacco inlet 19 in to lateral part diffuse to frame 1, discharge through exhaust port 4, the setting of coiled material 7 blocks the smoke and dust and upwards diffuse, pollutes operational environment, and concrete technical scheme is as follows:

The smoke exhaust seat 3 is of a trapezoid structure, a second cavity is formed in the smoke exhaust seat 3, smoke exhaust ports 4 are formed in two side walls of the smoke exhaust seat 3, and the smoke exhaust ports 4 are connected with an exhaust fan through exhaust pipes.

Sealing strips 18 are arranged at the upper and lower positions of the notch of the through groove 19, one end of each sealing strip 18 is fixedly connected with the side wall of the frame 1, and the other end of each sealing strip is in contact with the coiled material 7, so that smoke dust is prevented from entering the first cavity 5.

The specific working process of the utility model is as follows: in the utility model, the coiled materials 7 of the coil springs 6 extend out of the first cavity 5 to be connected with the feeding mechanism, when cutting work is carried out, the workpiece is placed on the platen 2, the feeding mechanism carries out cutting work through movement, the coiled materials 7 at two sides of the stand 1 move along with the movement of the feeding mechanism, in the cutting process, the smoke inlet 19 between the coiled materials 7 at two sides is always positioned under the cutting head 8, the exhaust fan forms negative pressure in a space enclosed by the coiled materials 7 and the stand 1 through the exhaust pipe and the smoke outlet 4, smoke generated by cutting enters the enclosed space through the smoke inlet 19 and is diffused to the side part of the stand 1, and is discharged through the smoke outlet 4, and the arrangement of the coiled materials 7 blocks the smoke from diffusing upwards, so that a great amount of smoke can pollute the working environment and influence the health of workers.

The above embodiments are only exemplary embodiments of the present utility model and are not intended to limit the present utility model, and the scope of the present utility model is defined by the appended claims, and various modifications or equivalent substitutions may be made by those skilled in the art to which the present utility model pertains, and should be considered to fall within the scope of the present utility model.

Claims

1. The utility model provides a laser cutting machine fume extractor, includes frame (1), its characterized in that, be equipped with platen (2) that are used for the bearing to treat the machined part on frame (1), the below of platen (2) is equipped with a plurality of smoke discharging seat (3) that extend along frame (1) length direction, the lateral part of smoke discharging seat (3) is equipped with a plurality of exhaust ports (4), the lateral wall is equipped with first cavity (5) about frame (1), be equipped with coil spring (6) in first cavity (5), coil (7) of coil spring (6) stretch out first cavity (5) and be connected with feed mechanism, coil (7) are located the below of platen (2), both sides be inlet (19) between coil (7), be equipped with cutting head (8) on the feed mechanism, inlet (19) are located cutting head (8) below.

2. The smoke exhaust device of the laser cutting machine according to claim 1, wherein the feeding mechanism comprises a supporting frame (10), the supporting frame (10) is in sliding connection with a guide rail (9) at the top of the frame (1) through a driving mechanism, an L-shaped fixing plate (11) is arranged at the bottom of the supporting frame (10), the L-shaped fixing plate (11) is connected with a coiled material (7) through a base plate (12), a sliding groove (13) is formed in the side wall of the frame (1), and the L-shaped fixing plate (11) is in sliding connection with the sliding groove (13).

3. A smoke evacuation device for a laser cutting machine according to claim 1, wherein a collecting box (15) is arranged below the coil spring (6), a cleaning brush (14) is arranged on the side wall of the first cavity (5), and bristles of the cleaning brush (14) are in contact with the surface of the coil spring (6).

4. A smoke evacuation device for a laser cutting machine according to claim 3, wherein said collection box (15) has a top opening structure, and a handle (16) is provided on the outer wall of said collection box (15).

5. The smoke exhaust device of the laser cutting machine according to claim 1, wherein the smoke exhaust seat (3) is of a trapezoid structure, a second cavity is formed in the smoke exhaust seat (3), smoke exhaust ports (4) are formed in two side walls of the smoke exhaust seat (3), and the smoke exhaust ports (4) are connected with an exhaust fan through exhaust pipes.

6. A laser cutter fume extractor according to claim 2, characterized in that the top of the first cavity (5) is provided with a through slot (17) allowing the coiled material (7) to pass through, the L-shaped fixing plate (11) and the backing plate (12) clamp the end of the coiled material (7), and the L-shaped fixing plate (11) is connected with the backing plate (12) through bolts.

7. The smoke exhaust device of the laser cutting machine according to claim 6, wherein sealing strips (18) are arranged at the upper and lower positions of the notch of the through groove (17), one end of each sealing strip (18) is fixedly connected with the side wall of the machine frame (1), and the other end of each sealing strip is in contact with the coiled material (7).