Dust removal structure of optical fiber laser cutting machine

By designing a combination of filter box and hammering structure, the problems of dust accumulation and dispersion were solved, achieving efficient dust removal for fiber laser cutting machines and ensuring normal equipment operation and air quality.

CN223801763UActive Publication Date: 2026-01-16XIANGHE COUNTY FENGYANG METALWARE CO LTD
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Patent Information

Application Number
CN202422969971.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2026-01-16
Estimated Expiration
2034-12-03

AI Technical Summary

Technical Problem

In existing fiber laser cutting machines, dust tends to accumulate on the inner wall of the hopper-shaped dust collection hood, affecting the dust collection effect. Furthermore, the dust is prone to flying around during shutdown, leading to a decline in air quality.

Method used

A dust removal structure was designed, including a filter box, an air pump, an air suction pipe, a dust collection hood, an air outlet pipe, a duct, an annular pipe, a blower pipe, and a second filter screen. The air pump draws in air and sprays it out through the duct and the blower pipe. The dust removal structure also includes a striking structure, which uses an impeller, a bevel gear, and a cam to drive a rubber extrusion ball to frequently strike the filter screen to prevent dust from clogging it.

Benefits of technology

It effectively prevents dust from accumulating on the inner wall of the dust collection hood, ensuring dust collection efficiency, preventing dust from flying, and ensuring normal operation of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of optical fiber laser cutting, and particularly relates to a dust removal structure of an optical fiber laser cutting machine, which comprises a machine base, an access door is arranged on the front side of the machine base, a cavity is arranged in the machine base, two through grooves are arranged at the top of the machine base, and first filter screens are arranged in the two through grooves. By arranging the air pump, the annular pipe and the air blowing pipe, the air pump sucks out air in the filter box, the air suction pipe is in a suction state, the air pump guides the air into the air guide pipe, the air guide pipe guides the air into the annular pipe, and finally the air is sprayed out through the air outlet nozzle, a large amount of dust falls off during cutting of the equipment, and a second filter screen blocks and filters the dust. According to the dust collecting device, the dust collecting cover is arranged on the inner wall of the dust collecting cover, the dust attached to the inner wall of the dust collecting cover can be blown off through the multiple air outlet nozzles inclining downwards, the dust can be effectively prevented from being attached to and accumulated on the inner wall of the hopper-shaped dust collecting cover, the dust collecting effect of the device can be guaranteed, and the situation that the dust attached to the inner wall of the dust collecting cover is blown to the air is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to optical fiber laser cutting technical field especially relates to a dust removal structure of optical fiber laser cutting machine. BACKGROUND

[0002] The optical fiber laser cutting machine is a laser cutting machine using optical fiber laser generator as light source. The optical fiber laser is a new type of optical fiber laser developed internationally, which outputs high energy density laser beam and is gathered on the workpiece surface, so that the area of the workpiece irradiated by the ultra-fine focus spot is instantaneously melted and gasified. The automatic cutting is realized by moving the spot irradiation position through the numerical control mechanical system. Before the manufacture of the goods shelf, the pipe fittings of the assembled goods shelf need to be cut. A large amount of smoke and dust will be generated during cutting. Therefore, a dust removal assembly is arranged on the optical fiber laser cutting machine to ensure the air quality around the work station.

[0003] The existing dust removal assembly generally realizes the dust removal effect through the cooperation of the bucket-shaped dust collecting cover and the fan. Since part of the falling dust will adhere and accumulate on the inner wall of the bucket-shaped dust collecting cover, not only will the dust accumulation on the inner wall of the dust collecting cover increase, affecting the dust absorption effect, but also during shutdown, the wind from the outside will blow to the accumulated dust, causing the dust to fly. Therefore, a dust removal structure of optical fiber laser cutting machine is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a dust removal structure of optical fiber laser cutting machine.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a dust removal structure of optical fiber laser cutting machine, including the base, the front of the base is provided with an access door, the base is provided with a cavity, the top of the base is provided with two through grooves, the first filter screen is arranged in the through groove, the top of the base is provided with a cutting structure, and the base is provided with a dust removal assembly.

[0006] As a further description of the above technical scheme:

[0007] The bottom of the base is fixedly provided with four rectangularly arranged supporting blocks, and the bottom of each supporting block is fixedly provided with an anti-skid pad.

[0008] As a further description of the above technical scheme:

[0009] The dust removal assembly includes a filter box fixedly connected with the inner wall of the base and an air pump, both sides of the filter box are respectively provided with an air suction pipe and an air outlet pipe, the air suction pipe is fixedly provided with a dust cover at an end away from the filter box, the air outlet pipe is connected with a suction pipe of the air pump at an end away from the filter box, one end of an exhaust pipe of the air pump is fixedly provided with a wind guide pipe, a top end of the wind guide pipe is fixedly provided with an annular pipe, a mounting frame is movably arranged in the filter box, a second filter screen is arranged in the mounting frame, and a knocking structure is arranged in the filter box.

[0010] As a further description of the above technical solution:

[0011] The inner wall of the annular pipe is fixedly provided with a plurality of air blowing pipes, one end of the air blowing pipe away from the annular pipe penetrates through the dust cover and is fixedly provided with an air outlet nozzle.

[0012] As a further description of the above technical solution:

[0013] The air outlet nozzle and the air blowing pipe are both made of stainless steel, and the air outlet nozzle is inclined downward by forty-five degrees.

[0014] As a further description of the above technical solution:

[0015] The knocking structure includes a vertical plate fixedly connected with the bottom of the filter box, a rotating shaft movably arranged on the vertical plate, a impeller and a first bevel gear fixedly arranged at two ends of the rotating shaft, a mounting bracket fixedly arranged on the front surface of the vertical plate, a connecting shaft movably arranged on the mounting bracket, a second bevel gear and a cam fixedly arranged at two ends of the connecting shaft, and the second bevel gear and the first bevel gear are in meshing transmission.

[0016] As a further description of the above technical solution:

[0017] The vertical plate and the mounting bracket are both provided with a circular hole, a bearing is fixedly arranged in each of the two circular holes, and the inner rings of the two bearings are fixedly sleeved on the rotating shaft and the connecting shaft respectively.

[0018] As a further description of the above technical solution:

[0019] The three protruding parts of the cam are all provided with rubber extrusion balls, and the outer diameter of the rubber extrusion ball is two centimeters.

[0020] The utility model has the advantages of the following:

[0021] 1. Compared with the prior art, the dust removal structure of the fiber laser cutting machine, by setting the filter box, air pump, air suction pipe, dust cover, air outlet pipe, air duct, annular pipe, air blowing pipe and second filter screen, the air pump sucks the air in the filter box out through the air outlet pipe, after the air in the filter box is sucked out, the air suction pipe is in a suction state, the air pump guides the air into the air duct, the air duct guides the air into the annular pipe, and finally the air is sprayed out through the air outlet nozzle at one end of the air outlet pipe, a large amount of dust will fall during cutting, the second filter screen filters and blocks the dust, achieving the purpose of dust removal, the plurality of downwardly inclined air outlet nozzles can blow off the dust attached to the inner wall of the dust cover, can effectively prevent the dust from being attached and accumulated on the inner wall of the dust cover, can guarantee the dust suction effect of the equipment, and the dust attached to the inner wall of the dust cover will not be blown into the air.

[0022] 2. Compared with the prior art, the dust removal structure of the fiber laser cutting machine, by setting the vertical plate, shaft, impeller, first bevel gear, mounting frame, connecting shaft, second bevel gear and cam, the air pump drives the impeller when running, the impeller drives the shaft, the shaft drives the first bevel gear, the first bevel gear drives the connecting shaft through the second bevel gear, and the connecting shaft drives the cam at one end, the rubber extrusion ball of the protruding part of the cam intermittently extrudes the second filter screen, frequent impact can knock off the dust attached to the surface of the second filter screen, preventing the second filter screen from being blocked and causing the equipment to fail to normally remove dust. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A three-dimensional structure schematic view of the dust removal structure of the fiber laser cutting machine is provided for the utility model;

[0024] Figure 2 A front cross-sectional schematic view of the dust removal structure of the fiber laser cutting machine is provided for the utility model;

[0025] Figure 3 A three-dimensional structure schematic view of the dust removal assembly in the dust removal structure of the fiber laser cutting machine is provided for the utility model;

[0026] Figure 4 A side cross-sectional structure schematic view of the dust removal assembly in the dust removal structure of the fiber laser cutting machine is provided for the utility model;

[0027] Figure 5 A three-dimensional structure schematic view of the annular pipe and the air blowing pipe in the dust removal structure of the fiber laser cutting machine is provided for the utility model;

[0028] Figure 6 A three-dimensional schematic view of the knocking structure in the dust removal structure of the fiber laser cutting machine is provided for the utility model.

[0029] LEGEND:

[0030] 1, the base; 2, the access door; 3, the first filter screen; 4, the cutting structure; 5, the dust removal assembly; 501, the filter box; 502, the air pump; 503, the air suction pipe; 504, the dust cover; 505, the air outlet pipe; 506, the air guide pipe; 507, the annular pipe; 508, the air blowing pipe; 509, the second filter screen; 6, the knocking structure; 601, the vertical plate; 602, the rotating shaft; 603, the impeller; 604, the first bevel gear; 605, the mounting frame; 606, the connecting shaft; 607, the second bevel gear; 608, the cam. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0032] With reference to Figures 1 to 6 The dust removal structure of the optical fiber laser cutting machine provided by the utility model comprises a base 1, four rectangularly arranged supporting blocks are fixedly arranged at the bottom of the base 1, anti-skid pads are fixedly arranged at the bottom of the four supporting blocks, an access door 2 is arranged on the front surface of the base 1, a cavity is arranged in the base 1, two through grooves are arranged at the top of the base 1, first filter screens 3 are arranged in the two through grooves, and a cutting structure 4 is arranged at the top of the base 1.

[0033] In order to achieve the purpose of eliminating the dust attached to the inner wall of the dust cover 504, the dust removal assembly 5 is arranged in the base 1, the dust removal assembly 5 includes the filter box 501 fixedly connected with the inner wall of the base 1 and the air pump 502, the filter box 501 is provided with the air suction pipe 503 and the air outlet pipe 505 respectively at two sides, the dust cover 504 is fixedly arranged at one end of the air suction pipe 503 away from the filter box 501, one end of the air outlet pipe 505 away from the filter box 501 is connected with the air suction pipe of the air pump 502, the air outlet pipe of the air pump 502 is fixedly provided with the air guide pipe 506, the top end of the air guide pipe 506 is fixedly provided with the annular pipe 507, a plurality of air blowing pipes 508 are fixedly arranged on the inner wall of the annular pipe 507, the air outlet nozzle and the air blowing pipe 508 are made of stainless steel, the air outlet nozzle is inclined downward by 45 degrees, one end of the air blowing pipe 508 away from the annular pipe 507 penetrates through the dust cover 504 and is fixedly provided with the air outlet nozzle, the mounting frame is movably arranged in the filter box 501, the second filter screen 509 is arranged in the mounting frame, the air pump 502 sucks the air in the filter box 501 through the air outlet pipe 505, after the air in the filter box 501 is sucked out, the air suction pipe 503 is in the state of suction, the air pump 502 guides the air into the air guide pipe 506, the air guide pipe 506 guides the air into the annular pipe 507, and finally the air is sprayed out through the air outlet nozzle at one end of the air blowing pipe 508, a large amount of dust will fall when the equipment is cutting, the first filter screen 3 will filter and block the impurities with large size, the fine dust will be sucked into the air suction pipe 503, the second filter screen 509 filters and blocks the dust, the purpose of dust removal is achieved, a plurality of downward inclined air outlet nozzles can blow off the dust attached to the inner wall of the dust cover 504 and directly suck the dust into the air suction pipe 503, which can effectively prevent the dust from being attached and accumulated on the inner wall of the dust cover 504, can ensure the dust suction effect of the equipment, and the dust attached to the inner wall of the dust cover 504 will not be blown into the air;

[0034] In order to prevent the purpose of preventing blockage, the filter box 501 is provided with a knocking structure 6, the knocking structure 6 includes a vertical plate 601 fixedly connected with the bottom of the filter box 501, a rotating shaft 602 movably arranged on the vertical plate 601, a impeller 603 and a first bevel gear 604 fixedly arranged at both ends of the rotating shaft 602 respectively, an installation frame 605 fixedly arranged on the front surface of the vertical plate 601, a connecting shaft 606 movably arranged on the installation frame 605, a circular hole arranged on the vertical plate 601 and the installation frame 605, a bearing fixedly arranged in the two circular holes, the inner ring of the two bearings is fixedly sleeved on the rotating shaft 602 and the connecting shaft 606 respectively, a second bevel gear 607 and a cam 608 fixedly arranged at both ends of the connecting shaft 606 respectively, the second bevel gear 607 and the first bevel gear 604 are in meshing transmission, the three protruding parts of the cam 608 are all provided with rubber extrusion balls, the outer diameter of the rubber extrusion ball is two centimeters, the rubber extrusion ball is used for beating the second filter screen 509, the rotating impeller 603 drives the rotating shaft 602, the rotating shaft 602 drives the first bevel gear 604, the first bevel gear 604 drives the connecting shaft 606 through the second bevel gear 607, the connecting shaft 606 drives the cam 608 at one end, the rubber extrusion balls of the protruding parts of the cam 608 will intermittently extrude the second filter screen 509, frequent impact will knock off the dust adhered to the surface of the second filter screen 509, preventing the second filter screen 509 from being blocked, causing the equipment to be unable to normally dust.

[0035] Working principle: the device starts the air pump 502 before cutting, the air pump 502 sucks out the air in the filter box 501 through the air outlet pipe 505, after the air in the filter box 501 is sucked out, the air suction pipe 503 is in a suction state, the flowing air makes the impeller 603 rotate, the air pump 502 guides the air into the air guide pipe 506, the air guide pipe 506 guides the air into the annular pipe 507, and finally the air is sprayed out through the air outlet nozzle at one end of the air blowing pipe 508, a large amount of dust will fall during cutting, the first filter screen 3 will filter and block the larger impurities, the fine dust will be sucked into the air suction pipe 503, the second filter screen 509 will filter and block the dust, achieving the purpose of dust removal, multiple downward inclined air outlet nozzles can blow off the dust adhered to the inner wall of the dust collecting cover 504 and be directly sucked into the air suction pipe 503, which can effectively prevent the dust from adhering and accumulating on the inner wall of the hopper-shaped dust collecting cover 504, can ensure the dust collection effect of the equipment, and will not cause the dust adhered to the inner wall of the dust collecting cover 504 to be blown and scattered in the air, the rotating impeller 603 drives the rotating shaft 602, the rotating shaft 602 drives the first bevel gear 604, the first bevel gear 604 drives the connecting shaft 606 through the second bevel gear 607, the connecting shaft 606 drives the cam 608 at one end, the rubber extrusion balls of the protruding parts of the cam 608 will intermittently extrude the second filter screen 509, frequent impact will knock off the dust adhered to the surface of the second filter screen 509, preventing the second filter screen 509 from being blocked, causing the equipment to be unable to normally dust.

[0036] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A dust removal structure of a fiber laser cutting machine, comprising a machine base (1), characterized in that: The front of the base (1) is provided with an access door (2), the base (1) is provided with a cavity, the top of the base (1) is provided with two through slots, the first filter screen (3) is arranged in the through slots, the top of the base (1) is provided with a cutting structure (4), and the base (1) is provided with a dust removal assembly (5). The dust removal assembly (5) comprises a filter box (501) and a gas pump (502) fixedly connected with the inner wall of the base (1), the filter box (501) is provided with an air suction pipe (503) and an air outlet pipe (505) on the two sides, respectively, a dust cover (504) is fixedly arranged at the end of the air suction pipe (503) away from the filter box (501), the end of the air outlet pipe (505) away from the filter box (501) is connected with the air suction pipe of the gas pump (502), a wind guide pipe (506) is fixedly arranged at the end of the air exhaust pipe of the gas pump (502), the top end of the wind guide pipe (506) is fixedly provided with an annular pipe (507), the installation frame is movably arranged in the filter box (501), the second filter screen (509) is arranged in the installation frame, and the knocking structure (6) is arranged in the filter box (501). A plurality of blowing pipes (508) are fixedly arranged on the inner wall of the annular pipe (507), the blowing pipes (508) penetrate through the dust cover (504) and are fixedly provided with air outlet nozzles at the ends away from the annular pipe (507). The air outlet nozzles and the blowing pipes (508) are made of stainless steel, and the air outlet nozzles are inclined downward by 45 degrees.

2. The dust removal structure of the fiber laser cutting machine according to claim 1, characterized in that: Four supporting blocks in a rectangular arrangement are fixedly arranged at the bottom of the base (1), and anti-skid pads are fixedly arranged at the bottom of the four supporting blocks.

3. The dust removal structure of the fiber laser cutting machine according to claim 1, characterized in that: The knocking structure (6) comprises a vertical plate (601) fixedly connected with the bottom of the filter box (501), the vertical plate (601) is movably provided with a rotating shaft (602), the rotating shaft (602) is fixedly provided with a impeller (603) and a first bevel gear (604) at the two ends, respectively, the front of the vertical plate (601) is fixedly provided with a mounting bracket (605), the mounting bracket (605) is movably provided with a connecting shaft (606), the connecting shaft (606) is fixedly provided with a second bevel gear (607) and a cam (608) at the two ends, respectively, and the second bevel gear (607) and the first bevel gear (604) are in meshing transmission.

4. The dust removal structure of the fiber laser cutting machine according to claim 3, characterized in that: The vertical plate (601) and the mounting bracket (605) are both provided with round holes, bearings are fixedly arranged in the two round holes, and the inner rings of the two bearings are fixedly sleeved on the rotating shaft (602) and the connecting shaft (606), respectively.

5. The dust removal structure of the fiber laser cutting machine according to claim 3, characterized in that: The three protruding parts of the cam (608) are all provided with rubber extrusion balls, and the outer diameter of the rubber extrusion ball is two centimeters.