CN215698988U - Cooling device of laser cutting head, laser cutting head and laser cutting machine - Google Patents
Cooling device of laser cutting head, laser cutting head and laser cutting machine Download PDFInfo
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- CN215698988U CN215698988U CN202120837795.7U CN202120837795U CN215698988U CN 215698988 U CN215698988 U CN 215698988U CN 202120837795 U CN202120837795 U CN 202120837795U CN 215698988 U CN215698988 U CN 215698988U
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Abstract
The utility model relates to the technical field of machining, and provides a cooling device of a laser cutting head, the laser cutting head and a laser cutting machine; the cooling device of laser cutting head includes: a cooling jacket formed with: the air conditioner comprises a first end face, a second end face, a through channel, an air outlet and an air inlet, wherein the second end face is opposite to the first end face, the through channel penetrates through the first end face and the second end face, a first mounting opening is formed in the first end face, a second mounting opening is formed in the second end face, a cooling groove is formed in the inner surface of the through channel, and the cooling groove is communicated with the air outlet and the air inlet. This cooling device cover of laser cutting head establishes in the laser cutting head outside to make the cooling bath enclose out gas passage with the laser cutting head that is arranged in the through passage, the heat that this laser cutting head effused can be taken away when this gas passage of gas flow through, and when being used for the panel cutting with the laser cutting head, also can cool off panel, and then conveniently change panel.
Description
Technical Field
The utility model relates to the field of machining, in particular to a cooling device of a laser cutting head, the laser cutting head and a laser cutting machine.
Background
Laser cutting is to irradiate a workpiece with a focused high-power-density laser beam to quickly melt, vaporize, ablate or reach the ignition point of the irradiated material, and simultaneously blow off the molten material with the help of a high-speed airflow coaxial with the beam, thereby cutting the workpiece. When cutting the work piece, the temperature of laser cutting head also can rise, and the overheated cutting effect that can influence of laser cutting head, even can damage the laser cutting head, and this is especially obvious when the high power cutting. The temperature of the cut plate is very high, the natural cooling time is long, and the plate is inconvenient to replace.
In addition, in the processing of engineering components such as metal plates, molds, aluminum frames, plastic plates, semiconductor wafers, circuit boards, ceramics, glass, quartz, etc., and electronic and electrical components such as sensors, particularly in the processing such as cutting, grinding, polishing, etc., splashed chips and sparks are inevitably generated on the surface of the workpiece, and these splashes are splashed to other positions of the workpiece, thereby affecting the surface finish and processing quality of the workpiece.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a cooling device of a laser cutting head, which aims to solve the problem of overheating of the laser cutting head.
The utility model further provides a laser cutting head.
The utility model also provides a laser cutting machine.
According to a first aspect of the utility model, a cooling device for a laser cutting head comprises: a cooling jacket formed with:
the first end surface is provided with a first end surface,
a second end face disposed opposite the first end face,
the through channel penetrates through the first end face and the second end face, a first mounting opening is formed in the first end face, a second mounting opening is formed in the second end face, and a cooling groove is formed in the inner surface of the through channel;
the cooling tank is communicated with the air outlet and the air inlet.
According to the cooling device of the laser cutting head provided by the embodiment of the utility model, the cooling device can be sleeved on the outer side of the laser cutting head, so that the cooling groove and the laser cutting head positioned in the through passage enclose the gas passage, and the heat dissipated by the laser cutting head can be taken away when the gas flows through the gas passage. And, when being used for the panel cutting with the laser cutting head, also can cool off panel, and then conveniently change panel.
According to one embodiment of the utility model, the cooling channel is helical.
According to an embodiment of the utility model, the air inlet is provided at the first end surface, or the air inlet is provided at a side wall of the cooling hood near the first end surface.
According to one embodiment of the utility model, the number of the air outlets is plural, and the air outlets are arranged on the second end face.
According to one embodiment of the utility model, a plurality of said air outlets are distributed around the circumference of said second mounting opening.
According to an embodiment of the present invention, the sum of the opening areas of all the air outlets is equal to or smaller than the sum of the opening areas of all the air inlets.
According to an embodiment of the utility model, an air outlet direction of the air outlet and an extending direction of the through channel at the second mounting port form a set angle.
The laser cutting head comprises a laser cutting head body and the cooling cover of any embodiment, wherein the cooling cover is sleeved outside the laser cutting head body; and the second end surface faces the air injection direction of the laser cutting head body.
According to the laser cutting head disclosed by the embodiment of the utility model, the laser cutting head body and the cooling groove in the through channel jointly enclose a gas channel, and gas enters the gas channel through the gas inlet hole and takes away heat emitted by the laser cutting head body; furthermore, the gas is sprayed out from the gas outlet, and the temperature of the processed surface of the workpiece is also reduced.
According to one embodiment of the utility model, the first mounting opening and the second mounting opening are each provided with sealing means.
According to a third aspect of the utility model, a laser cutting machine comprises the laser cutting head of any one of the above embodiments.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a cross-sectional view of a cooling apparatus for a laser cutting head according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a cooling apparatus for a laser cutting head according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a laser cutting head according to an embodiment of the present invention;
reference numerals:
1. a cooling jacket; 11. a first end face; 12. a second end face; 13. a through passage; 14. an air outlet; 15. an air inlet; 16. a cooling tank; 17. a fixing hole; 2. laser cutting head body.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
In embodiments of the utility model, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1 and 2, a first aspect embodiment of the present invention provides a cooling device for a laser cutting head, including a cooling cover 1, where the cooling cover 1 is formed with: a first end face 11, a second end face 12, a through channel 13, an air outlet 14 and an air inlet 15. The second end face 12 is arranged opposite to the first end face 11, and the through channel 13 penetrates through the first end face 11 and the second end face 12; a first mounting opening is formed on the first end surface 11, and a second mounting opening is formed on the second end surface 12; the inner surface of the through passage 13 is opened with a cooling groove 16, and the cooling groove 16 communicates the air inlet 15 and the air outlet 14.
The cooling device of the laser cutting head can be sleeved outside the laser cutting head, so that the cooling groove 16 and the laser cutting head positioned in the through channel 13 enclose a gas channel, and the heat emitted by the laser cutting head can be taken away when the gas flows through the gas channel. And, when being used for the panel cutting with the laser cutting head, also can cool off panel, and then conveniently change panel.
According to one of the embodiments of the utility model, the cooling channels 16 opening in the through-channel 13 may be of various shapes, preferably helical; under the condition that the channel length of the through channel 13 is not changed, the cooling groove 16 is designed to be spiral, so that the flowing time of high-speed gas in the cooling groove 16 and/or the contact area of the high-speed gas and equipment in the through channel 13 are increased, and the heat exchange efficiency of the cooling groove 16 is improved.
According to one embodiment of the utility model, the air inlet 15 opens at the first end face 11, or as shown in fig. 1, the air inlet 15 opens at a side wall of the cooling jacket 1, close to the first end face 11. With this configuration, the length of the cooling bath 16 can be increased.
According to one embodiment of the present invention, the number of the air outlets 14 is plural, and the plural air outlets 14 are provided on the second end face 12. Under this kind of circumstances, gaseous entering through air inlet 15, through gas outlet 14 blowout, by gas outlet 14 spun gaseous isolated layer of forming near second installing port, gaseous isolated layer can block the inside and outside air flow of isolated layer and clastic splashing, and then this kind of cooling device has isolated function simultaneously.
According to one of the embodiments of the present invention, a plurality of air outlets 14 are distributed around the circumference of the second mounting opening. Of course, the arrangement of the air outlets 14 on the second end face 12 is not limited by the above examples, and for example, a plurality of air outlets 14 may be distributed along the circumferential tangential direction of the second mounting opening.
According to one embodiment of the present invention, the second mounting opening has one or more gas outlets 14 circumferentially distributed around it to form one or more gas barriers.
According to one embodiment of the present invention, the second mounting opening is externally provided with one or more rows of air outlets 14 distributed along a tangential direction of a circumference thereof to form one or more rows of gas barriers.
According to one of the embodiments of the utility model, the air inlet 15 communicates with the air outlet 14 via a passage provided inside the wall of the cooling jacket 1.
According to one of the embodiments of the utility model, the side walls of the cooling jacket 1 are provided with fixing elements.
As shown in fig. 1 and 2, the fixing member includes a fixing hole 17 provided on the side wall of the cooling jacket 1; so that the cooling means of the laser cutting head and the equipment mounted in the through channel 13 are jackscrew fixed. The utility model is not limited to this example and the fastener may be other fastener attachments.
According to one embodiment of the present invention, the sum of the opening areas of all the air outlets 14 is equal to or less than the sum of the opening areas of all the air inlets 15. By the design, the flow speed of high-speed gas at the gas outlet 14 is improved, the impact force of the high-speed gas is stronger, and the isolation effect of a gas isolation layer is better.
According to one embodiment of the present invention, the air outlet direction of the air outlet 14 and the extending direction of the through channel 13 at the second mounting port form a set angle.
The angle is set in the range of 0 ° to 90 ° to form a gas barrier at a different angle from the second end face 12. As shown in fig. 1 and 2, the air outlet direction of the air outlet 14 is parallel to the extending direction of the through channel 13 at the second mounting port, i.e., the set angle is 0 °.
In the prior art, when the laser cutting head body 2 performs high-power cutting, the head is overheated, which affects the cutting effect and even damages the cutting head; meanwhile, the temperature of the cut piece is increased by cutting, and the plate with the overhigh temperature is not easy to replace.
The embodiment of the second aspect of the utility model provides a laser cutting head, as shown in fig. 3, comprising a laser cutting head body 2 and a cooling cover 1 according to any one of the above schemes, wherein the cooling cover 1 is sleeved outside the laser cutting head body 2; and the second end face 12 faces the gas injection direction of the laser cutting head body 2.
According to the laser cutting head disclosed by the embodiment of the utility model, the laser cutting head body 2 in the through channel 13 and the cooling groove 16 jointly enclose a gas channel, gas enters the gas channel through the gas inlet hole 15 and takes away heat emitted by the laser cutting head body 2; further, the gas is sprayed out through the gas outlet 14, and the temperature of the processed surface of the workpiece is also reduced.
In one embodiment, the plurality of gas outlets 14 are arranged on the second end surface 12, and the high-speed gas sprayed from the plurality of gas outlets 14 forms a gas isolation layer between the nozzle of the laser cutting head body 2 and the processed surface of the workpiece, so that the cutting gas from the nozzle can be isolated from the outside air by the gas isolation layer, and meanwhile, the chips generated by laser cutting can be prevented from splashing everywhere.
According to one of the embodiments of the utility model, the first mounting opening and the second mounting opening are each provided with sealing means.
The sealing device may be a sealing ring arranged at the first mounting opening and the second mounting opening, or a sealant coated at the first mounting opening and the second mounting opening after the cooling cover 1 is sleeved outside the laser cutting head body 2.
According to a third aspect of the utility model, a laser cutting machine is provided, which comprises the laser cutting head according to any one of the above aspects.
The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the utility model. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.
Claims (10)
1. A cooling apparatus for a laser cutting head, comprising: a cooling jacket (1), the cooling jacket (1) being formed with:
a first end surface (11),
a second end face (12) arranged opposite to the first end face (11),
a through channel (13), wherein the through channel (13) penetrates through the first end face (11) and the second end face (12), a first mounting opening is formed in the first end face (11), a second mounting opening is formed in the second end face (12), and a cooling groove (16) is formed in the inner surface of the through channel (13);
the cooling tank (16) is communicated with the air outlet (14) and the air inlet (15).
2. The cooling device for laser cutting heads according to claim 1, characterized in that the cooling groove (16) is helical.
3. The cooling device for laser cutting heads according to claim 2, characterized in that the air inlet (15) opens at the first end surface (11) or the air inlet (15) opens at a side wall of the cooling hood (1) near the first end surface (11).
4. The cooling device for laser cutting heads according to claim 1, characterized in that the number of the air outlets is plural and is provided at the second end face (12).
5. The cooling arrangement of a laser cutting head according to claim 4, characterized in that a plurality of the air outlets (14) are distributed around the circumference of the second mounting opening.
6. The cooling device for laser cutting heads according to any one of claims 1 to 5, characterized in that the sum of the opening areas of all the air outlets (14) is less than or equal to the sum of the opening areas of all the air inlets (15).
7. The cooling device for a laser cutting head according to any one of claims 1 to 5, characterized in that the outlet direction of the outlet opening (14) is at a set angle to the through channel (13) in the extension direction of the second mounting opening.
8. A laser cutting head, characterized by comprising a laser cutting head body (2) and a cooling cover (1) as claimed in any one of claims 1 to 7, wherein the cooling cover (1) is sleeved outside the laser cutting head body (2); and the second end surface (12) faces the air injection direction of the laser cutting head body (2).
9. The laser cutting head of claim 8 wherein the first mounting port and the second mounting port are each provided with a sealing means.
10. A laser cutting machine, characterized by comprising a laser cutting head according to claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120837795.7U CN215698988U (en) | 2021-04-22 | 2021-04-22 | Cooling device of laser cutting head, laser cutting head and laser cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120837795.7U CN215698988U (en) | 2021-04-22 | 2021-04-22 | Cooling device of laser cutting head, laser cutting head and laser cutting machine |
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| Publication Number | Publication Date |
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| CN215698988U true CN215698988U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120837795.7U Active CN215698988U (en) | 2021-04-22 | 2021-04-22 | Cooling device of laser cutting head, laser cutting head and laser cutting machine |
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| CN (1) | CN215698988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116213924A (en) * | 2023-04-24 | 2023-06-06 | 佛山市创昊达金属制品有限公司 | Cutting machine and cutting method for hardware fitting with cooling gas entering from lower part |
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2021
- 2021-04-22 CN CN202120837795.7U patent/CN215698988U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116213924A (en) * | 2023-04-24 | 2023-06-06 | 佛山市创昊达金属制品有限公司 | Cutting machine and cutting method for hardware fitting with cooling gas entering from lower part |
| CN116213924B (en) * | 2023-04-24 | 2023-11-10 | 东莞市国鑫五金制品有限公司 | Cutting machine and cutting method for hardware fitting with cooling gas entering from lower part |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Cooling device of laser cutting head, laser cutting head and laser cutting machine Effective date of registration: 20221103 Granted publication date: 20220201 Pledgee: Xingtai Branch of Industrial Bank Co.,Ltd. Pledgor: HEBEI FLEXTRONICS ELECTRICAL TECHNOLOGY CO.,LTD. Registration number: Y2022130000108 |