CN211680545U - Dust suction device of laser cutting machine - Google Patents
Dust suction device of laser cutting machine Download PDFInfo
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- CN211680545U CN211680545U CN201922145396.XU CN201922145396U CN211680545U CN 211680545 U CN211680545 U CN 211680545U CN 201922145396 U CN201922145396 U CN 201922145396U CN 211680545 U CN211680545 U CN 211680545U
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Abstract
The utility model discloses a dust suction device of a laser cutting machine, which comprises a blowing device and an air suction device, wherein the blowing device comprises a blower, a blowing pipeline and an air outlet structure, the air outlet structure comprises a blowing cover, an air outlet pipe and an air pipe joint, and a plurality of groups of blowing inclined holes are arranged on the circumferential side wall of the air outlet pipe; the suction device comprises an exhaust fan, a fragment collecting box, a dust hood and an exhaust pipeline, wherein the exhaust fan, the fragment collecting box and the dust hood are sequentially connected through the exhaust pipeline; the dust hood includes the dust absorption cover body and connects the collection dirt frame at the gas outlet, and the cover that blows is connected on collection dirt frame, sets up the breach that corresponds with the gas outlet of blowing cover on the collection dirt frame, and the gas outlet of blowing cover sets up with the dust absorption mouth of dust hood relatively. The utility model discloses simple structure, excellent in use effect, through the optimal design to gas blowing device and getter device structure, when whole dust absorption ability is stronger, also clear away the piece on the workstation, saved the human cost.
Description
Technical Field
The utility model relates to a laser cutting machine's technical field, concretely relates to laser cutting machine dust extraction.
Background
The laser cutting processing is to replace the traditional mechanical knife by invisible light beams, has the characteristics of high precision, quick cutting, no limitation on cutting patterns, automatic typesetting, material saving, smooth cut, low processing cost and the like, and gradually improves or replaces the traditional metal cutting process equipment.
In the laser cutting process, a lot of fine scraps and dust can be generated, the production environment is polluted, the health of an operator is affected, and the scraps and dust need to be treated in the cutting process, so that the production efficiency is affected. In contrast, a suction device is provided for sucking dust during laser cutting.
As the chinese utility model patent with application number 201120195391.9, it discloses a dust extraction and laser beam machining equipment, include: a worktable provided with a processing area; the dust blowing component is arranged on the workbench; and the dust suction component is arranged on the workbench, and the dust blowing component and the dust suction component are respectively positioned at two opposite sides of the processing area. The dust blowing component and the dust absorption component are arranged on the two opposite sides of the workbench, so that the smoke dust generated in the machining operation process is blown to the direction of the dust absorption component through the dust blowing component, and the dust absorption component absorbs the smoke dust. Although the patent can achieve the purpose of absorbing smoke dust, the patent only has the function of absorbing the smoke dust generated in the processing and does not have the capacity of absorbing the crushed aggregates generated in the processing. In addition, the open working area is easy to blow out the smoke dust or crushed aggregates outside the working area, which brings inconvenience to cleaning.
According to the utility model No. 201821507866.1, it discloses a dust suction device of a laser cutting machine for an acrylic showing stand, which comprises a dust suction device body, wherein the bottom of the dust suction device body is provided with a dust suction disc, the top of the dust suction device body is connected with a supporting cylinder seat through a telescopic column sleeve, the left side and the right side of the dust suction disc are divided into an air injection semi-ring and a dust suction semi-ring through partition plates, the circle center of the dust suction disc is connected with a dust suction cylinder through an annular seat, the air injection semi-ring is connected with a medium pressure fan through an air injection hose, the dust suction semi-ring is connected with a negative pressure fan through a dust suction hose, the dust suction cylinder passes through the bottom side plate of the dust suction device body, the dust suction cylinder is connected with a piston rod of a pneumatic cylinder through a cylinder seat, the pneumatic cylinder is fixedly installed, and a filtering net cage is arranged at the air outlet of the negative pressure fan. The patent can suck dust in a short distance so as to reduce the influence of dust dispersion on the environment. But the structure is complicated, the occupied space is large, the blowing and dust collection are not targeted, only the common smoke dust can be sucked, and the small cut particles are still left on the working area.
In view of the above, it is desirable to design a dust suction device for a laser cutting machine, which has a strong dust suction capability and can suck up the debris on the worktable.
Disclosure of Invention
An object of the utility model is to overcome the relatively poor problem of suction device dust-collecting capacity among the above-mentioned prior art, provide a laser cutting machine dust extraction that can inhale the piece on the workstation to the greatest extent.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a laser cutting machine dust extraction, includes gas blowing device and the getter device of setting respectively in the relative both sides of laser cutting machine work area, its characterized in that: the air blowing device comprises a blower, an air blowing pipeline and an air outlet structure, wherein the air outlet structure comprises an air blowing cover, an air outlet pipe arranged in the air blowing cover through a bearing assembly, and an air pipe joint arranged on the outer wall of the air blowing cover and communicated with the air outlet pipe; a plurality of groups of air blowing inclined holes are formed in the circumferential side wall of the air outlet pipe; the suction device comprises an exhaust fan, a fragment collecting box, a dust hood, an exhaust pipeline and a fixed seat for mounting the dust hood, and the exhaust fan, the fragment collecting box and the dust hood are connected through the exhaust pipeline in sequence; the dust hood includes the dust absorption cover body and connects the collection dirt frame in dust absorption cover body gas outlet, the cover connection of blowing is on collection dirt frame, set up on the collection dirt frame with the breach that the gas outlet of blowing cover corresponds, the gas outlet of blowing cover with the dust absorption mouth of dust hood sets up relatively.
Furthermore, the air blowing inclined holes are provided with 6 groups, each group is provided with 3 rows, the central axes of the air blowing inclined holes in each group are parallel, and the included angle a of the central axes of the two adjacent groups of air blowing inclined holes is 60 degrees. Specifically, the inner diameter of the air outlet pipe is 15mm, the hole diameter of the air blowing inclined hole is 2mm, and the distance between every two groups of holes is 3 mm.
Furthermore, a dust baffle plate is also arranged on the dust collection frame. The height of the section from the inner cavity of the dust hood to the dust suction port is gradually reduced.
Furthermore, the debris collecting box comprises a box body and a sealed box cover, the middle part and the upper part of the box body are respectively provided with an inlet and an outlet, and a filter screen is arranged at the outlet.
Compared with the prior art, the beneficial effects of the utility model are that: the dust collector has the advantages of simple structure, small volume and good use effect, and because the air blowing device and the air suction device are arranged oppositely, the air blowing device blows smoke dust and debris to the dust collection port and then the smoke dust and the debris are sucked by the air suction device during working. Wherein, the utility model provides an outlet duct and suction hood are based on the model parameterization and fluid dynamics analytical method, can optimize the calculation to outlet duct and suction hood internal flow field in advance, acquire best inner tube gas blow hole angle and figure, suction hood opening size, improve dust extraction's dust collection capacity. Therefore, the smoke dust can be sucked away, the scraps on the workbench can be removed, and the labor cost is saved. The method has the following characteristics:
(1) when the blowing device works, the air outlet pipe is provided with the air outlet inclined hole, so that under the action of the counter force of air, the air outlet pipe can rotate simultaneously to generate disturbance air flow with constantly changing direction, and the chips on the workbench are blown to the dust suction port more easily, so that the dust suction capacity of the dust suction device is improved.
(2) Be equipped with the collection dirt frame between blowing cover and the suction hood, can avoid the piece in a confused state of mind to fly outside the work area, ensure that the piece is blotted up cleanly.
(3) The inlet and the outlet of the fragment collecting box are respectively arranged in the middle and the upper part of the box body, after the fragments enter the box body, the fragments automatically fall to the bottom of the box body under the action of gravity, and in addition, the fragments can be prevented from being sucked into the exhaust fan through the filter screen arranged at the outlet.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the middle blowing device of the present invention after being connected with the dust hood.
Fig. 3 is a schematic perspective view of the blowing device of the present invention.
Fig. 4 is a schematic view of the middle air blowing device of the present invention.
Fig. 5 is a schematic view of the middle air outlet pipe of the utility model.
Fig. 6 is a schematic structural view of the middle suction hood of the present invention.
Fig. 7 is a schematic structural diagram of the debris collection box of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the utility model relates to a dust suction device for a laser cutting machine, which comprises a blowing device and an air suction device, wherein the blowing device and the air suction device are respectively arranged on two opposite sides of a working area of the laser cutting machine. The blowing device comprises a blower 11, a blowing pipeline 12 and an air outlet structure 13. The suction device comprises a suction fan 21, a debris collection box 22, a suction hood 23, a suction pipeline 24 and a fixed seat 25 for mounting the suction hood. The exhaust fan 21, the debris collection box 22 and the dust hood 23 are connected in sequence through the exhaust duct 24.
As shown in fig. 3 and 4, the air outlet structure 13 includes an air blowing cover 131, an air outlet pipe 133 mounted in the air blowing cover 131 through a bearing assembly 132, and an air pipe connector 134 mounted on an outer wall of the air blowing cover, wherein the air pipe connector 134 and the air outlet pipe 133 are in sealed communication through an air seal ring 135. The air outlet of the blower 11 is connected with the air pipe joint 134 through the blowing pipeline 12.
As shown in fig. 5, the inside diameter of the air outlet pipe 133 is 15mm, a plurality of groups of air blowing inclined holes 136 are formed in the circumferential side wall of the air outlet pipe 133, specifically, 6 groups of air blowing inclined holes 136 are provided, and 3 rows of air blowing inclined holes are provided in each group. The gas blowing inclined holes are provided with 6 groups, each group is provided with 3 rows, the central axes of the gas blowing inclined holes in each group are parallel, and the included angle of the central axes of the two adjacent groups of the gas blowing inclined holes is 60 degrees. The hole diameter of the air blowing inclined holes 136 is 2mm, and the distance between every two groups of holes is 3 mm.
Through setting up multiunit inclined hole 136 of blowing, can improve the impact ability of blowing of outlet duct toward laser cutting work area, make the piece on the workstation blow easily. And the outlet duct can rotate at the in-process of blowing, produces the air current of direction constantly changing, blows the piece on the workstation more easily, improves the dust absorption ability of device.
As shown in fig. 6, the dust hood 23 includes a dust hood body 231 and a dust collection frame 232 connected to an air outlet of the dust hood body, the air blowing hood 131 is connected to the dust collection frame 232, and the dust collection frame 232 is provided with a notch 233 corresponding to the air outlet of the air blowing hood 131. After connection, the air outlet 130 of the blowing hood is arranged opposite to the dust suction opening 230 of the dust suction hood. When the dust collection cover 23 is installed, the dust collection cover passes through the fixed seat 25 and enables the dust collection frame to be located at the laser cutting work area.
The height of the section from the inner cavity of the dust hood 23 to the dust suction port 230 is gradually reduced, and the dust suction port is flat so as to improve the dust suction capability of the dust suction port. The dust outlet 234 of the dust hood 23 is opened on the opposite side of the dust inlet, and a joint for connecting the suction duct 24 is installed on the dust inlet.
Furthermore, a mounting hole 235 is formed in one side wall of the inner cavity of the dust hood 23, and a sealing cover plate 236 is mounted at the mounting hole.
The dust collecting frame 232 is further provided with a dust blocking plate 233. It is possible to prevent the debris from being blown up to fall elsewhere.
Further, as shown in fig. 7, the debris collection box 22 includes a box body 221 and a sealed box cover 222, an inlet 223 and an outlet 224 are provided at the middle and upper portions of the box body, respectively, and a filter screen 225 is further installed at the outlet 224 of the debris collection box 22. The filter screen 225 may be mounted on the sidewall of the cabinet 221 by brackets or screws. An inlet 223 and an outlet 224 are provided in the middle and upper part of the housing respectively, and debris enters the debris collection bin, falls under gravity to the bottom of the bin, and is filtered by a filter screen 225 to prevent the airborne debris from being sucked into the suction fan 21.
The utility model discloses in, the cover of blowing provides the support for the outlet duct, through 4 screwed connection in both ends to the dust absorption cover, the cover of blowing is equipped with the cylinder inner chamber, is equipped with the gas outlet in the downside, has the clearance between inner chamber wall and the outlet duct.
The size of the inclination angle of the air blowing inclined hole is determined by fluid calculation, and specifically comprises the following steps: establishing a parameterized model of the air outlet pipe flow passage, and performing fluid dynamics analysis and optimization calculation on the air outlet pipe flow passage by adopting a numerical analysis method to obtain the optimal inclined angle of the air blowing inclined hole of the air outlet pipe; when the blowing device works, the air outlet pipe can rotate under the action of the counter force of air to generate airflow with constantly changing direction, and chips on the workbench are blown. The cross-section of the dust collection inner cavity of the dust collection cover to the dust collection opening is gradually reduced to form a flat structure so as to improve the dust collection capacity of the dust collection opening, and the sizes of the air inlet and the dust collection opening are determined through fluid analysis, and the method specifically comprises the following steps: and establishing a parameterized model of the flow field of the dust hood, and performing fluid analysis and optimized calculation on the flow field of the dust hood by adopting a numerical analysis method to obtain the sizes of the optimal dust suction port and the optimal air inlet so as to improve the dust suction effect of the dust hood.
Further, the number and the spacing of the air seal rings are determined by fluid analysis, and specifically are as follows: and establishing a bearing assembly air seal structure parameterized model, and performing fluid analysis and optimized calculation on the air seal structure flow channel by adopting a numerical analysis method to obtain the number and the spacing of the optimal air seal rings and improve the sealing effect.
The utility model discloses a theory of operation: the blower 11 and the exhaust fan 21 are started, the blowing device starts to work, the air outlet pipe 133 rotates under the action of the counter force of the air to generate airflow with constantly changing direction, chips in the dust collection frame of the laser cutting working area are blown, meanwhile, the exhaust fan 21 generates negative pressure, and the flat dust collection port generates high-speed airflow to suck the chips away. The debris passes through the dust hood 23 and the air suction duct 24 in sequence into the debris collection box 22.
The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can be combined in a proper manner; the application of these modifications, variations or combinations, or the direct application of the concepts and solutions of the present invention to other applications without further modifications, is considered to be within the scope of the present invention.
Claims (6)
1. The utility model provides a laser cutting machine dust extraction, includes gas blowing device and the getter device of setting respectively in the relative both sides of laser cutting machine work area, its characterized in that: the air blowing device comprises a blower, an air blowing pipeline and an air outlet structure, wherein the air outlet structure comprises an air blowing cover, an air outlet pipe arranged in the air blowing cover through a bearing assembly, and an air pipe joint arranged on the outer wall of the air blowing cover and communicated with the air outlet pipe; a plurality of groups of air blowing inclined holes are formed in the circumferential side wall of the air outlet pipe;
the suction device comprises an exhaust fan, a fragment collecting box, a dust hood, an exhaust pipeline and a fixed seat for mounting the dust hood, and the exhaust fan, the fragment collecting box and the dust hood are connected through the exhaust pipeline in sequence;
the dust hood includes the dust absorption cover body and connects the collection dirt frame in dust absorption cover body gas outlet, the cover connection of blowing is on collection dirt frame, set up on the collection dirt frame with the breach that the gas outlet of blowing cover corresponds, the gas outlet of blowing cover with the dust absorption mouth of dust hood sets up relatively.
2. The laser cutting machine dust suction device according to claim 1, characterized in that: the gas blowing inclined holes are provided with 6 groups, each group is provided with 3 rows, the central axes of the gas blowing inclined holes in each group are parallel, and the included angle of the central axes of the two adjacent groups of the gas blowing inclined holes is 60 degrees.
3. The laser cutting machine dust suction device according to claim 2, characterized in that: the diameter of the air outlet pipe is 15mm, the hole diameter of the air blowing inclined hole is 2mm, and the distance between every two groups of holes is 3 mm.
4. The laser cutting machine dust suction device according to claim 1, characterized in that: and the dust collecting frame is also provided with a dust baffle plate.
5. The laser cutting machine dust suction device according to claim 1, characterized in that: the height of the section from the inner cavity of the dust hood to the dust suction port is gradually reduced.
6. The laser cutter dust suction device according to any one of claims 1 to 5, wherein: the debris collecting box comprises a box body and a sealed box cover, the middle part and the upper part of the box body are respectively provided with an inlet and an outlet, and a filter screen is arranged at the outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922145396.XU CN211680545U (en) | 2019-12-04 | 2019-12-04 | Dust suction device of laser cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922145396.XU CN211680545U (en) | 2019-12-04 | 2019-12-04 | Dust suction device of laser cutting machine |
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| Publication Number | Publication Date |
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| CN211680545U true CN211680545U (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922145396.XU Active CN211680545U (en) | 2019-12-04 | 2019-12-04 | Dust suction device of laser cutting machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110788495A (en) * | 2019-12-04 | 2020-02-14 | 广东省智能制造研究所 | Dust suction device of laser cutting machine and optimal design method thereof |
| CN113909708A (en) * | 2021-11-01 | 2022-01-11 | 武汉五中兴机电设备有限公司 | Laser cutting machine adopting integrated lathe bed structure and using method thereof |
-
2019
- 2019-12-04 CN CN201922145396.XU patent/CN211680545U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110788495A (en) * | 2019-12-04 | 2020-02-14 | 广东省智能制造研究所 | Dust suction device of laser cutting machine and optimal design method thereof |
| CN113909708A (en) * | 2021-11-01 | 2022-01-11 | 武汉五中兴机电设备有限公司 | Laser cutting machine adopting integrated lathe bed structure and using method thereof |
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Address after: Building 15, compound No.100, Xianlie Middle Road, Guangzhou, Guangdong 510075 Patentee after: Institute of intelligent manufacturing, Guangdong Academy of Sciences Address before: Building 15, compound No.100, Xianlie Middle Road, Guangzhou, Guangdong 510075 Patentee before: GUANGDONG INSTITUTE OF INTELLIGENT MANUFACTURING |