CN210413007U - Plasma cutting nozzle cooling device - Google Patents
Plasma cutting nozzle cooling device Download PDFInfo
- Publication number
- CN210413007U CN210413007U CN201920925892.4U CN201920925892U CN210413007U CN 210413007 U CN210413007 U CN 210413007U CN 201920925892 U CN201920925892 U CN 201920925892U CN 210413007 U CN210413007 U CN 210413007U
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- China
- Prior art keywords
- nozzle
- cooling water
- electrode
- cooling
- nozzle body
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- Expired - Fee Related
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- Arc Welding In General (AREA)
Abstract
The utility model discloses a plasma cutting nozzle cooling device, including the nozzle body, be equipped with electrode and integral type insulator flow distribution ring on the nozzle body, be equipped with electrode cooling water course and nozzle cooling water course on the nozzle body, be equipped with electrode cooling water import and electrode cooling water export that put through mutually with electrode cooling water course on the nozzle body, be equipped with the nozzle cooling water import and the nozzle cooling water export that put through mutually with nozzle cooling water course on the nozzle body, nozzle cooling water course includes water inlet side cooling water course and is located the nozzle and presses the inboard nozzle cooling inner chamber of cap, water inlet side cooling water course's cross sectional area equals with nozzle cooling inner chamber's cross sectional area size. The utility model discloses can enough cool off the electrode, can cool off the nozzle again, the cooling effect is good.
Description
Technical Field
The utility model belongs to the technical field of the plasma cutting nozzle, concretely relates to plasma cutting nozzle cooling device.
Background
The cooling structure of prior art plasma cutting nozzle is only to the cooling of nozzle, do not have the cooling to the electrode, the cooling effect is not good, can not effectually cool off the electrode, thereby the life of effectual extension electrode, and the nozzle cooling water course of prior art plasma cutting nozzle, the cross sectional area at the inboard pipeline of business turn over water is little, the cross sectional area of the inboard nozzle cooling inner chamber of nozzle pressure cap is big, the velocity of flow that leads to the inboard pipeline of business turn over water is fast, the velocity of flow of the inboard nozzle cooling inner chamber of nozzle pressure cap is slow, lead to nozzle department can not carry out forced cooling, the cooling effect is not good, it is inhomogeneous to cool off.
Therefore, a cooling device for a plasma cutting nozzle, which has a good cooling effect and can cool both an electrode and a nozzle, is provided to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a plasma cutting nozzle cooling device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a plasma cutting nozzle cooling device comprises a nozzle body, wherein an electrode and an integrated insulator distribution ring are arranged on the nozzle body, an electrode cooling water channel and a nozzle cooling water channel are arranged on the nozzle body, an electrode cooling water inlet and an electrode cooling water outlet which are communicated with the electrode cooling water channel are arranged on the nozzle body, a nozzle cooling water inlet and a nozzle cooling water outlet which are communicated with the nozzle cooling water channel are arranged on the nozzle body, the nozzle cooling water channel comprises a water inlet side cooling water channel and a nozzle cooling inner cavity which is positioned on the inner side of a nozzle pressing cap, the cross section area of the water inlet side cooling water channel is equal to the cross section area of the nozzle cooling inner cavity in size, a trapezoidal bulge which is inserted into the inner part of the electrode cooling water inlet pipe and is not connected with the inner wall of the electrode cooling water inlet pipe is arranged on the inner wall of the electrode cooling water inlet pipe, and an arc chamfer is arranged at the right-angle corner of the inner wall surface of the electrode.
Preferably, the electrode cooling water inlet is located above the nozzle body.
Preferably, the electrode cooling water outlet and the nozzle cooling water outlet are located on the right side of the nozzle body and arranged from top to bottom.
Preferably, the nozzle cooling water inlet is located on the left side of the nozzle body.
Preferably, the electrode is embedded with a hafnium wire.
Preferably, the nozzle body is further provided with a nozzle and a working gas inlet.
The utility model discloses a technological effect and advantage: the plasma cutting nozzle cooling device designs the cross-sectional area of a cooling water channel at the water inlet side and the cross-sectional area of a nozzle cooling inner cavity into a structure with the same size, the cooling water flow near the water inlet and outlet pipeline of the nozzle inner cavity is equal to the water flow velocity of the nozzle cooling inner cavity at the inner side of a nozzle pressing cap, the cross-sectional area of the nozzle cooling inner cavity is reduced, the cooling water flow velocity is larger, the cooling effect on a nozzle is good, an electrode cooling water channel is arranged on an electrode, an arc-shaped chamfer is arranged at a right-angle corner of the inner wall surface of the electrode, the cooling condition of the right-angle corner is improved, the water cooling velocity of the right-angle corner is improved, a trapezoidal bulge and a conical bulge are arranged at the top of the inner wall surface of the electrode, the flow velocity of a cooling water low-velocity region is improved, the cooling water enters from an electrode, thereby prolong the life of electrode effectively, the utility model discloses can enough cool off the electrode, can cool off the nozzle again, the cooling effect is good.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the electrode cooling water channel of the present invention;
fig. 3 is a schematic structural view of the nozzle cooling water channel of the present invention.
In the figure: 1. a nozzle body; 2. an electrode; 3. an integral insulator current distribution ring; 4. an electrode cooling water channel; 5. a nozzle cooling water channel; 6. an electrode cooling water inlet; 7. an electrode cooling water outlet; 8. a nozzle cooling water inlet; 9. a nozzle cooling water outlet; 10. hafnium wire; 11. a nozzle; 12. a water inlet side cooling water channel; 13. pressing a cap by a nozzle; 14. the nozzle cools the inner cavity; 15. an electrode cooling water inlet pipe; 16. a trapezoidal protrusion; 17. a conical projection; 18. arc chamfering; 19. and a working gas inlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a plasma cutting nozzle cooling device as shown in fig. 1-3, including nozzle body 1, be equipped with electrode 2 and integral type insulator distribution ring 3 on the nozzle body 1, be equipped with electrode cooling water course 4 and nozzle cooling water course 5 on the nozzle body 1, be equipped with electrode cooling water inlet 6 and electrode cooling water export 7 that put through mutually with electrode cooling water course 4 on the nozzle body 1, be equipped with nozzle cooling water inlet 8 and nozzle cooling water export 9 that put through mutually with nozzle cooling water course 5 on the nozzle body 1, nozzle cooling water course 5 includes water inlet side cooling water course 12 and is located nozzle pressure cap 13 inboard nozzle cooling inner chamber 14, the cross sectional area of water inlet side cooling water course 12 equals with the cross sectional area size of nozzle cooling inner chamber 14, the internal face of electrode 2 is equipped with and inserts the inside and not meeting department with electrode cooling inlet tube 15 inner wall of electrode cooling inlet tube 15 The electrode comprises a trapezoidal protrusion 16, a conical protrusion 17 is arranged at the top of the trapezoidal protrusion 16, and an arc-shaped chamfer 18 is arranged at a right-angle corner of the inner wall surface of the electrode 2.
Specifically, the electrode cooling water inlet 6 is located above the nozzle body 1.
Specifically, the electrode cooling water outlet 7 and the nozzle cooling water outlet 9 are located on the right side of the nozzle body 1 and arranged from top to bottom.
Specifically, the nozzle cooling water inlet 8 is located on the left side of the nozzle body 1.
Specifically, the electrode 2 is embedded with a hafnium wire 10.
Specifically, the nozzle body 1 is further provided with a nozzle 11 and a working gas inlet 19.
The plasma cutting nozzle cooling device is characterized in that the sectional area of a cooling water channel 12 at the water inlet side and the sectional area of a nozzle cooling inner cavity 14 are designed to be of the same size, cooling water flow near the water inlet and outlet pipeline of the nozzle inner cavity is equal to the water flow velocity of the nozzle cooling inner cavity 14 at the inner side of a nozzle pressing cap 13, the sectional area of the nozzle cooling inner cavity 14 is reduced, the cooling water flow velocity is high, the cooling effect on a nozzle 11 is good, an electrode cooling water channel 4 is arranged on an electrode 2, an arc-shaped chamfer 18 is arranged at a right-angle corner of the inner wall surface of the electrode 2, the cooling condition of the right-angle corner is improved, the water cooling flow velocity of the right-angle corner is improved, a trapezoidal bulge 16 and a conical bulge 17 are arranged at the top of the inner wall surface of the electrode 2, the flow velocity of the low-velocity region of the cooling water is improved, the cooling water enters from an, carry out forced cooling to electrode 2 to prolong the life of electrode effectively, the utility model discloses can enough cool off the electrode, can cool off the nozzle again, the cooling effect is good.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. A plasma cutting nozzle cooling device, includes nozzle body (1), its characterized in that: be equipped with electrode (2) and integral type insulator current distribution ring (3) on nozzle body (1), be equipped with electrode cooling water course (4) and nozzle cooling water course (5) on nozzle body (1), be equipped with electrode cooling water inlet (6) and electrode cooling water export (7) that switch on mutually with electrode cooling water course (4) on nozzle body (1), be equipped with nozzle cooling water inlet (8) and nozzle cooling water export (9) that switch on mutually with nozzle cooling water course (5) on nozzle body (1), nozzle cooling water course (5) are including water inlet side cooling water course (12) and are located nozzle pressure cap (13) inboard nozzle cooling inner chamber (14), the cross sectional area of water inlet side cooling water course (12) is the same with the cross sectional area size of nozzle cooling inner chamber (14), the internal face of electrode (2) is equipped with and inserts inside and not with electrode cooling inlet tube (15) of electrode cooling inlet tube (15) The electrode comprises a trapezoidal protrusion (16) at the joint of the inner walls, a conical protrusion (17) is arranged at the top of the trapezoidal protrusion (16), and an arc-shaped chamfer (18) is arranged at the right-angle corner of the inner wall surface of the electrode (2).
2. The plasma cutting nozzle cooling apparatus of claim 1, wherein: the electrode cooling water inlet (6) is positioned above the nozzle body (1).
3. The plasma cutting nozzle cooling apparatus of claim 1, wherein: the electrode cooling water outlet (7) and the nozzle cooling water outlet (9) are positioned on the right side of the nozzle body (1) and arranged from top to bottom.
4. The plasma cutting nozzle cooling apparatus of claim 1, wherein: the nozzle cooling water inlet (8) is positioned on the left side of the nozzle body (1).
5. The plasma cutting nozzle cooling apparatus of claim 1, wherein: and a hafnium wire (10) is embedded on the electrode (2).
6. The plasma cutting nozzle cooling apparatus of claim 1, wherein: the nozzle body (1) is also provided with a nozzle (11) and a working gas inlet (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920925892.4U CN210413007U (en) | 2019-06-19 | 2019-06-19 | Plasma cutting nozzle cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920925892.4U CN210413007U (en) | 2019-06-19 | 2019-06-19 | Plasma cutting nozzle cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210413007U true CN210413007U (en) | 2020-04-28 |
Family
ID=70376058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920925892.4U Expired - Fee Related CN210413007U (en) | 2019-06-19 | 2019-06-19 | Plasma cutting nozzle cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210413007U (en) |
-
2019
- 2019-06-19 CN CN201920925892.4U patent/CN210413007U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200428 Termination date: 20210619 |