CN220066395U - Multi-beam output carbon dioxide laser tube leak-proof sealing device - Google Patents

Multi-beam output carbon dioxide laser tube leak-proof sealing device Download PDF

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Publication number
CN220066395U
CN220066395U CN202321440008.0U CN202321440008U CN220066395U CN 220066395 U CN220066395 U CN 220066395U CN 202321440008 U CN202321440008 U CN 202321440008U CN 220066395 U CN220066395 U CN 220066395U
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China
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laser tube
sealing cover
carbon dioxide
water
anode electrode
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CN202321440008.0U
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Chinese (zh)
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赵立泉
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Beijing Leihai Laser Science & Technology Co ltd
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Beijing Leihai Laser Science & Technology Co ltd
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Abstract

The utility model discloses a multi-beam output carbon dioxide laser tube leak-proof sealing device, which comprises: the laser tube, the sealing cover, the anode electrode needle and the water inlet pipe; the outer part of the laser tube is provided with a fixed flange; the sealing cover is covered outside the high-voltage end of the laser tube, the opening end of the sealing cover is provided with a sealing cover flange, and the fixing flange is in sealing connection with the sealing cover flange; one end of the anode electrode needle is connected with the anode electrode of the laser tube, and the other end of the anode electrode needle passes through the sealing cover and is arranged outside the sealing cover; the water inlet pipe penetrates through the sealing cover and is connected with the water cooling sleeve of the laser tube. The sealing device has good sealing effect and can prolong the service life of the carbon dioxide laser tube.

Description

Multi-beam output carbon dioxide laser tube leak-proof sealing device
Technical Field
The utility model relates to the technical field of carbon dioxide laser tubes, in particular to a multi-beam output carbon dioxide laser tube leak-proof sealing device.
Background
The current tube body for sealing the release type carbon dioxide laser tube is formed by firing extra hard glass material, and the inside of the tube body is composed of a discharge tube, a water cooling tube, a gas storage tube and a gas return tube, and is usually of a three-layer sleeve structure. The discharge tube is arranged at the innermost part, the water cooling tube is arranged at the middle part, the gas storage tube is arranged at the outermost layer, the gas return tube is used for connecting the discharge tube and the gas storage tube, the cathode and the anode electrodes coiled by the thin metal sheets are arranged at the two ends of the discharge tube, and the total reflection mirror and the output reflection mirror are adhered at the pipe orifices at the two ends to form a discharge light path.
The carbon dioxide laser is made of CO 2 A gas laser with gas as the primary working substance. Therefore, the normal use of the carbon dioxide laser tube requires that the gas storage tube is filled with a mixed gas mainly containing carbon dioxide gas, and the inside of the gas storage tube is negative pressure.
Along with the lengthening of different forms of the discharge tube, the laser output power is increased, so that the laser tube can reach higher output power, and the whole length of a discharge light path can be increased to increase higher output power only by folding the discharge tube in a limited space. Meanwhile, the use of the reflecting mirror is correspondingly increased by the folding structure, and due to the manufacturing process problem of the sealed-off carbon dioxide laser tube, the part of the reflecting mirror can leak air at different degrees at the interfaces of the same or different materials of partial products due to some uncertain factors, and the normal use of the laser tube is not easily influenced by finding out the part of the reflecting mirror, and the increase of the reflecting mirror used by the complex folding structure becomes a potential air leakage point.
Therefore, the research on the multi-beam output anti-leakage sealing device of the carbon dioxide laser tube, which has good sealing effect and can improve the service life of the carbon dioxide laser tube, is a problem to be solved by the technicians in the field.
Disclosure of Invention
In view of the above, the utility model provides the multi-beam output anti-leakage sealing device for the carbon dioxide laser tube, which has good sealing effect and can prolong the service life of the carbon dioxide laser tube.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a multi-beam output carbon dioxide laser tube leak-proof sealing device comprises:
the laser tube is externally provided with a fixed flange;
the sealing cover is covered outside the high-voltage end of the laser tube, the opening end of the sealing cover is provided with a sealing cover flange, and the fixing flange is in sealing connection with the sealing cover flange;
one end of the anode electrode needle is connected with the anode electrode of the laser tube, and the other end of the anode electrode needle penetrates through the sealing cover and is arranged outside the sealing cover;
and the water inlet pipe penetrates through the sealing cover and is connected with the water cooling sleeve of the laser tube.
The technical scheme has the beneficial effects that the high-voltage end of the laser tube is sealed through the sealing cover, so that the occurrence of gas leakage of the laser tube can be reduced, and the service life of the laser tube is prolonged.
Preferably, a plurality of core tubes are arranged in the laser tube, anode electrodes are arranged at the end parts of the core tubes, and anode electrode needles are connected with the anode electrodes of the plurality of core tubes; the water outlet of the water-cooling heat dissipation sleeve is connected with the water inlets of the core tubes.
Preferably, the water inlet of the water-cooling heat dissipation sleeve is connected with the water inlet pipe; the joint of the water inlet of the water-cooling heat dissipation sleeve and the water inlet pipe, and the joint of the water outlet of the water-cooling heat dissipation sleeve and the water inlet of the core pipe are respectively provided with a silicone tube. The arrangement of the silicone tube can improve the sealing effect of the joint.
Preferably, a sealing ring is arranged at the joint of the fixed flange and the sealing cover flange. The sealing ring can improve the sealing effect of the joint of the sealing cover and the laser tube.
Preferably, a clamp is arranged on the outer sides of the fixing flange and the sealing cover flange.
Preferably, the outside of the anode electrode pin is coated with an insulating layer.
Compared with the prior art, the utility model discloses the anti-leakage sealing device for the carbon dioxide laser tube with multiple light beam outputs, which has the beneficial effects that:
(1) The high-voltage end of the laser tube is sealed by the sealing cover, so that the occurrence of the gas leakage condition of the laser tube can be reduced, and the service life of the laser tube is prolonged;
(2) The anti-leakage air-tight sealing device has simple, compact and practical structure, effectively prevents the reduction of the service life caused by the problem of local air leakage of the laser tube in the production, debugging, transportation, installation and use processes of the sealed-off carbon dioxide laser tube, and avoids the increase of the cost in the production and use processes.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a sealed enclosure and laser tube connection clamping state according to the present utility model;
FIG. 2 is a schematic diagram of a laser tube according to the present utility model;
fig. 3 is a schematic diagram of the connection between the sealing cap and the laser tube according to the present utility model.
Wherein, in the drawing,
1-a laser tube; 2-a fixed flange; 3-sealing cover; 4-sealing a cover flange; 5-an anode electrode needle; 6-an anode electrode; 7-a water inlet pipe; 8-water cooling heat dissipation sleeve; 9-core tube; 10-silicone tube; 11-a sealing ring; 12-clamping hoop.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment of the utility model discloses a multi-beam output carbon dioxide laser tube leak-proof sealing device, which comprises:
the laser tube 1, the outside of the laser tube 1 is provided with a fixed flange 2;
the sealing cover 3 is covered outside the high-voltage end of the laser tube 1, the opening end of the sealing cover 3 is provided with a sealing cover flange 4, and the fixed flange 2 is in sealing connection with the sealing cover flange 4;
an anode electrode needle 5, one end of the anode electrode needle 5 is connected with an anode electrode 6 of the laser tube 1, and the other end passes through the sealing cover 3 and is arranged outside the sealing cover 3;
the water inlet pipe 7 penetrates through the sealing cover 3, and is connected with the water-cooling heat dissipation sleeve 8 of the laser tube 1. The fixing flange 2 is integrally formed with the laser tube 1.
In order to further optimize the technical scheme, a plurality of core tubes 9 are arranged in the laser tube 1, anode electrodes 6 are arranged at the end parts of the core tubes 9, and anode electrode needles 5 are connected with the anode electrodes 6 of the plurality of core tubes 9; the water outlet of the water-cooling heat dissipation sleeve 8 is connected with the water inlets of the core tubes 9.
In order to further optimize the technical scheme, the water inlet of the water-cooling heat dissipation sleeve 8 is connected with the water inlet pipe 7; the joint of the water inlet of the water-cooling heat dissipation sleeve 8 and the water inlet pipe 7, and the joint of the water outlet of the water-cooling heat dissipation sleeve 8 and the water inlet of the core pipe 9 are respectively provided with a silicone pipe 10.
In order to further optimize the technical scheme, a sealing ring 11 is arranged at the joint of the fixed flange 2 and the sealing cover flange 4.
In order to further optimize the technical solution, the outside of the fixing flange 2 and the sealing cap flange 4 is provided with a clamping band 12. The clamp 12 is used for clamping the fixed flange 2 and the sealing cover flange 4, and the dovetail nuts on the clamp 12 are screwed down, the clamp 12 is contracted and pressed towards the central axis, and the sealing ring 11 is stressed and deformed, so that the expected sealing effect is achieved.
In order to further optimize the above technical solution, the outside of the anode electrode needle 5 is covered with an insulating layer. The insulating layer is made of insulating materials, and the anode electrode needle 5 is connected with the anode electrode 6 and can be connected in other modes such as welding wires, elastic contact connection, butt clamping and the like. The anode electrode needle 5 can be welded with the anode electrode 6 by using an insulated wire, and sealing insulating glue is smeared at the welding position.
In order to further optimize the technical scheme, the sealing cover 3 is made of high-voltage-resistant anti-breakdown insulating materials, preferably high borosilicate glass or other nonmetallic or composite materials.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. The utility model provides a carbon dioxide laser pipe leak protection gas seal device of multiple light beam output which characterized in that includes:
the laser tube (1), the outside of the laser tube (1) is provided with a fixed flange (2);
the sealing cover (3) is covered outside the high-voltage end of the laser tube (1), the opening end of the sealing cover (3) is provided with a sealing cover flange (4), and the fixed flange (2) is in sealing connection with the sealing cover flange (4);
an anode electrode needle (5), wherein one end of the anode electrode needle (5) is connected with an anode electrode (6) of the laser tube (1), and the other end of the anode electrode needle passes through the sealing cover (3) and is arranged outside the sealing cover (3);
the water inlet pipe (7) penetrates through the sealing cover (3) and is connected with the water cooling heat dissipation sleeve (8) of the laser tube (1).
2. The multi-beam output carbon dioxide laser tube leak-proof sealing device according to claim 1, wherein a plurality of core tubes (9) are arranged in the laser tube (1), anode electrodes (6) are arranged at the end parts of the core tubes (9), and the anode electrode needles (5) are connected with the anode electrodes (6) of the plurality of core tubes (9); the water outlet of the water-cooling heat dissipation sleeve (8) is connected with the water inlets of the core tubes (9).
3. The multi-beam output carbon dioxide laser tube leak-proof sealing device according to claim 2, wherein the water inlet of the water-cooling heat dissipation sleeve (8) is connected with the water inlet pipe (7); the joint of the water inlet of the water-cooling heat dissipation sleeve (8) and the water inlet pipe (7), and the joint of the water outlet of the water-cooling heat dissipation sleeve (8) and the water inlet of the core pipe (9) are respectively provided with a silicone pipe (10).
4. The multi-beam output carbon dioxide laser tube leak-proof sealing device according to claim 1, wherein a sealing ring (11) is arranged at the joint of the fixed flange (2) and the sealing cover flange (4).
5. The multi-beam output carbon dioxide laser tube leak-proof sealing device according to claim 4, wherein the outer sides of the fixing flange (2) and the sealing cover flange (4) are provided with clamping rings (12).
6. The multi-beam output carbon dioxide laser tube leak-proof sealing device according to claim 1, wherein the anode electrode needle (5) is externally coated with an insulating layer.
CN202321440008.0U 2023-06-07 2023-06-07 Multi-beam output carbon dioxide laser tube leak-proof sealing device Active CN220066395U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321440008.0U CN220066395U (en) 2023-06-07 2023-06-07 Multi-beam output carbon dioxide laser tube leak-proof sealing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321440008.0U CN220066395U (en) 2023-06-07 2023-06-07 Multi-beam output carbon dioxide laser tube leak-proof sealing device

Publications (1)

Publication Number Publication Date
CN220066395U true CN220066395U (en) 2023-11-21

Family

ID=88785452

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321440008.0U Active CN220066395U (en) 2023-06-07 2023-06-07 Multi-beam output carbon dioxide laser tube leak-proof sealing device

Country Status (1)

Country Link
CN (1) CN220066395U (en)

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