CN211387312U - Water-cooling plasma cutting gun - Google Patents
Water-cooling plasma cutting gun Download PDFInfo
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- CN211387312U CN211387312U CN201921171273.7U CN201921171273U CN211387312U CN 211387312 U CN211387312 U CN 211387312U CN 201921171273 U CN201921171273 U CN 201921171273U CN 211387312 U CN211387312 U CN 211387312U
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Abstract
The water-cooling plasma cutting gun is characterized in that a water inlet hole is formed in a nozzle seat body, a protective sleeve seat is further arranged at the front end of the nozzle seat body, an annular first water cavity is formed between the inner wall of the protective sleeve seat and the outer wall of the nozzle seat body, the front end of the water inlet hole is communicated with the first water cavity, and the rear end of the water inlet hole is communicated with a water inlet pipe; the nozzle seat body is also provided with a water outlet hole, and the front end of the water outlet hole is communicated with the first water cavity; the rear end of the electrode seat is provided with a flow guide block, a flow guide hole is arranged in the flow guide block, and the rear end of the water outlet hole is communicated with the inlet end of the flow guide hole through a middle transition water pipe; a water outlet pipe is arranged in the hollow structure of the electrode holder, one end of the water outlet pipe extends into the electrode, and the other end of the water outlet pipe penetrates out of the flow guide block; and a second water cavity is arranged between the outer wall of the water outlet pipe and the inner wall of the electrode seat and between the outer wall of the water outlet pipe and the inner wall of the electrode, and the outlet end of the flow guide hole is communicated with the second water cavity. The integral temperature of the working part of the gun head is lower during working, the integral performance of the gun head is more stable, and the service life of the nozzle is prolonged.
Description
Technical Field
The utility model relates to a plasma cutting technical field especially relates to a water-cooled high frequency plasma cutting torch.
Background
When the high-frequency air plasma cutting gun is used, the temperature of the nozzle and the temperature near the nozzle are high, so that parts are easily damaged, and the cutting quality can be influenced after the parts are deformed or damaged. In order to reduce the wear of the electrode and the nozzle and improve the cutting quality, the nozzle and its neighboring components need to be cooled. The performance of the cooling structure has a decisive influence on the overall performance and service life of the nozzle and the lance tip.
SUMMERY OF THE UTILITY MODEL
In view of above situation, in order to solve the problem that above-mentioned technique exists, the utility model provides a water-cooling plasma cutting torch can let rifle head working part at the bulk temperature of during operation lower, and the wholeness ability of rifle head is more stable, promotes the working life of nozzle.
The water-cooling plasma cutting gun comprises a nozzle holder assembly, a nozzle, an electrode and an electrode holder assembly, wherein the nozzle holder assembly is provided with a nozzle holder body, and the electrode holder assembly is provided with an electrode holder; the nozzle seat body is provided with a water inlet hole, the front end of the nozzle seat body is also provided with a protective sleeve seat, an annular first water cavity is arranged between the inner wall of the protective sleeve seat and the outer wall of the nozzle seat body, the front end of the water inlet hole is communicated with the first water cavity, and the rear end of the water inlet hole is communicated with a water inlet pipe; the nozzle seat body is also provided with a water outlet hole, and the front end of the water outlet hole is communicated with the first water cavity; the rear end of the electrode seat is provided with a flow guide block, a flow guide hole is formed in the flow guide block, and the rear end of the water outlet hole is communicated with the inlet end of the flow guide hole through a middle transition water pipe; the electrode holder is of a hollow structure, a water outlet pipe is arranged in the hollow structure, one end of the water outlet pipe extends into a cavity arranged in the electrode, and the other end of the water outlet pipe penetrates out of the flow guide block; and a second water cavity is arranged between the outer wall of the water outlet pipe and the inner wall of the electrode seat and between the outer wall of the water outlet pipe and the inner wall of the electrode, and the outlet end of the flow guide hole is communicated with the second water cavity.
Preferably, the electrode holder is arranged in the nozzle holder body, and a swirl ring is arranged between the electrode holder and the nozzle holder body.
Preferably, the front end of the electrode seat is provided with an electrode, and at least one part of the rear end of the electrode is positioned in the eddy current ring.
Preferably, a nozzle is arranged at the front end of the nozzle holder body, and at least one part of the front end of the electrode is positioned in the nozzle.
Preferably, the deflector holes provided in the deflector block are arranged at a ninety degree angle.
Preferably, a space is arranged between the top of the water outlet pipe and the end part of the inner wall of the electrode.
Preferably, the water inlet hole and the water outlet hole are symmetrically arranged on the nozzle holder body.
Preferably, the nozzle holder body is of a circular ring structure, the electrode holder and the vortex ring are arranged in an inner hole of the circular ring structure, and the water inlet hole and the water outlet hole are respectively arranged in a ring body of the circular ring structure.
After the technology provided by the utility model, according to the utility model discloses water-cooling plasma burning torch has following beneficial effect: the cooling structure loop is that cooling liquid of the cooling system firstly cools the nozzle seat after entering the gun head, and then cools the electrode in a backflow mode. The nozzle seat assembly is cooled firstly, so that the integral temperature of the working part of the gun head is lower during working, and the integral performance of the gun head is more stable. Through the water channel inlets and the water channel outlets which are symmetrically arranged on opposite sides, the cooling liquid can more uniformly cool the gun head. The cooling effect on the nozzle seat is better, and the service life of the nozzle is longer. Meanwhile, the gun head is simple and convenient in structure, small in size and easy to assemble.
Drawings
FIG. 1 is a schematic diagram of a water-cooled plasma cutting torch according to the present application;
FIG. 2 is a view from another angle of FIG. 1;
FIG. 3 is a structure diagram of the head of the water-cooled plasma cutting gun according to the present application;
FIG. 4 is a cross-sectional view of the water-cooled plasma torch of the present application;
fig. 5 is a partially enlarged view of fig. 4.
Detailed Description
The present invention will be described in further detail with reference to embodiments shown in the drawings. The described embodiments include various specific details to aid understanding, but they are to be construed as merely illustrative, and not restrictive of all embodiments of the invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. Meanwhile, in order to make the description more clear and concise, a detailed description of functions and configurations well known in the art will be omitted.
As shown in fig. 1-5, the water-cooled plasma cutting gun comprises a nozzle holder assembly 1, a nozzle 2, an electrode 3 and an electrode holder assembly 6, wherein the nozzle holder assembly 1 is provided with a nozzle holder body 12, and the electrode holder assembly 6 is provided with an electrode holder 62. The electrode holder 62 is arranged in the nozzle holder body 12, and the swirl ring 4 is arranged between the electrode holder 62 and the nozzle holder body 12. The front end of the electrode seat 62 is provided with an electrode 3, and at least one part of the rear end of the electrode 3 is positioned in the swirl ring 4. The nozzle holder body 12 has a nozzle 2 at a front end thereof, and the electrode 3 has a front end at least partially located in the nozzle 2.
A water inlet hole 14 is formed in the nozzle holder body 12, a protective sleeve 13 is further arranged at the front end of the nozzle holder body 12, an annular first water cavity 15 is formed between the inner wall of the protective sleeve 13 and the outer wall of the nozzle holder body 12, the front end of the water inlet hole 14 is communicated with the first water cavity 15, and the rear end of the water inlet hole 14 is communicated with a water inlet pipe 11; the nozzle holder body 12 is further provided with a water outlet hole 16, and the front end of the water outlet hole 16 is communicated with the first water cavity 15; the rear end of the electrode holder 62 is provided with a flow guide block 63, a flow guide hole 630 is formed in the flow guide block 63, and the rear end of the water outlet hole 16 is communicated with the inlet end of the flow guide hole 630 through a middle transition water pipe 5; the electrode holder 62 is of a hollow structure, a water outlet pipe 61 is arranged in the hollow structure, one end of the water outlet pipe 61 extends into a cavity arranged in the electrode 3, and the other end of the water outlet pipe 61 penetrates through the flow guide block 63; a second water cavity 18 is arranged between the outer wall of the water outlet pipe 61 and the inner wall of the electrode holder 62 and the inner wall of the electrode 3, and the outlet end of the diversion hole 630 is communicated with the second water cavity 18.
The deflector holes 630 provided in the deflector block 63 are arranged at an angle of ninety degrees. And a space is arranged between the top of the water outlet pipe 61 and the end part of the inner wall of the electrode 3.
The water inlet hole 14 and the water outlet hole 16 are symmetrically arranged on the nozzle holder body 12. The nozzle holder body 12 is of a circular ring structure, the electrode holder 62 and the vortex ring 4 are arranged in an inner hole of the circular ring structure, and the water inlet hole 14 and the water outlet hole 16 are respectively arranged in a ring body of the circular ring structure.
In the present application, the front end and the rear end are based on the general usage of cutting guns, and the end where the nozzle is located is used as the front end, and the pipeline and the parts behind the nozzle are used as the rear end. The arrows shown in the drawing are schematic flow directions of the cooling water circuit.
According to the water-cooling plasma burning torch of the application, the rifle head main part includes: the nozzle holder assembly comprises a nozzle holder assembly 1, a middle transition water pipe 5, an electrode holder assembly 6, a vortex ring 4, an electrode 3 and a nozzle 2. The nozzle holder assembly 1 includes: the nozzle holder comprises a nozzle holder body 12, a protective sleeve holder 13, a water inlet pipe 11 and an air inlet pipe 17. The nozzle holder body 12 is provided with a water inlet 14, a water outlet 16 and an air hole. The water inlet hole 14 and the water outlet hole 16 are arranged in opposite directions. The electrode holder assembly 6 comprises: a main cable water outlet pipe 61, an electrode seat 62 and a flow guide block 63. The water inlet pipe 11 and the air inlet pipe 17 are brazed on the nozzle holder assembly 1, the swirl ring 4 is assembled with the nozzle holder assembly 1, and the electrode holder 62 is assembled inside the swirl ring 4.
According to the water-cooling plasma burning torch of this application, water inlet 14 on the nozzle holder body 12 has connect inlet tube 11, and inlet opening 14 leads to the first water cavity 15 that forms by nozzle holder body 12 and the combination of protective sheath seat 13, at the opposite face opening apopore 16 of water cavity inlet opening. The water outlet 16 of the nozzle holder body 12 is connected with the flow guide block 63 of the electrode holder assembly 6 through the middle transition water pipe 5. The diversion block 63 is provided with a diversion hole 630 with an angle of 90 degrees therein, and the diversion hole is communicated with the inner wall of the electrode seat 62 and the outer wall of the main cable water outlet pipe 61 to form a second water cavity 18.
According to the water-cooling plasma cutting gun, a cooling loop of nozzle seat water inlet and electrode water outlet is adopted, wherein the nozzle seat water inlet and outlet are arranged in 180-degree opposite sides. Because the nozzle is cooled by heat transfer of the nozzle seat, the loop can more effectively cool the nozzle, and the service life of the nozzle is prolonged. The 180-degree arrangement of the water inlet and the water outlet can ensure that the cooling liquid can cool the nozzle seat more uniformly, and the gun head has simple structure, small volume and simple assembly.
According to the water-cooling plasma cutting gun, the cooling structure loop is that cooling liquid of a cooling system enters the gun head and then cools the nozzle seat, and then cools the electrode in a backflow mode. The nozzle seat assembly is cooled firstly, so that the integral temperature of the working part of the gun head is lower during working, and the integral performance of the gun head is more stable. Through the water channel inlets and the water channel outlets which are symmetrically arranged on opposite sides, the cooling liquid can more uniformly cool the gun head. The cooling effect on the nozzle seat is better, and the service life of the nozzle is longer. Meanwhile, the gun head is simple and convenient in structure, small in size and easy to assemble.
The terms "upper", "lower" or "above", "below" or the like are used herein in a relative relationship with respect to a normal use in a placed state, i.e., a positional relationship as generally shown in the drawings of the present application. When the placement state changes, for example, when the placement state is turned over, the corresponding positional relationship should be changed accordingly to understand or implement the technical solution of the present application.
Claims (8)
1. The water-cooling plasma cutting gun is characterized by comprising a nozzle holder component (1), a nozzle (2), an electrode (3) and an electrode holder component (6), wherein the nozzle holder component (1) is provided with a nozzle holder body (12), and the electrode holder component (6) is provided with an electrode holder (62); a water inlet hole (14) is formed in the nozzle holder body (12), a protective sleeve holder (13) is further arranged at the front end of the nozzle holder body (12), an annular first water cavity (15) is formed between the inner wall of the protective sleeve holder (13) and the outer wall of the nozzle holder body (12), the front end of the water inlet hole (14) is communicated with the first water cavity (15), and the rear end of the water inlet hole (14) is communicated with a water inlet pipe (11); the nozzle seat body (12) is also provided with a water outlet hole (16), and the front end of the water outlet hole (16) is communicated with the first water cavity (15); the rear end of the electrode seat (62) is provided with a flow guide block (63), a flow guide hole (630) is formed in the flow guide block (63), and the rear end of the water outlet hole (16) is communicated with the inlet end of the flow guide hole (630) through a middle transition water pipe (5); the electrode holder (62) is of a hollow structure, a water outlet pipe (61) is arranged in the hollow structure, one end of the water outlet pipe (61) extends into a cavity arranged in the electrode (3), and the other end of the water outlet pipe (61) penetrates through the flow guide block (63); and a second water cavity (18) is arranged between the outer wall of the water outlet pipe (61) and the inner wall of the electrode seat (62) and the inner wall of the electrode (3), and the outlet end of the diversion hole (630) is communicated with the second water cavity (18).
2. A water-cooled plasma cutting torch according to claim 1, characterized in that the electrode holder (62) is arranged in the nozzle holder body (12), and a swirl ring (4) is arranged between the electrode holder (62) and the nozzle holder body (12).
3. The water-cooled plasma cutting torch as claimed in claim 2, wherein the electrode (3) is arranged at the front end of the electrode holder (62), and at least a part of the rear end of the electrode (3) is located in the swirl ring (4).
4. The water-cooled plasma cutting gun according to claim 1, characterized in that the nozzle (2) is arranged at the front end of the nozzle holder body (12), and at least a part of the front end of the electrode (3) is positioned in the nozzle (2).
5. The water-cooled plasma cutting torch according to any of the claims 1 to 4, wherein the deflector holes (630) provided in the deflector block (63) are arranged at an angle of ninety degrees.
6. A water-cooled plasma cutting torch as claimed in any one of claims 1 to 4, wherein a distance is provided between the top of the water outlet pipe (61) and the end of the inner wall of the electrode (3).
7. The water-cooled plasma cutting gun according to any one of claims 1 to 4, characterized in that the water inlet opening (14) and the water outlet opening (16) are symmetrically arranged on the nozzle holder body (12).
8. The water-cooled plasma cutting gun according to claim 7, characterized in that the nozzle holder body (12) is of a circular ring structure, the electrode holder (62) and the vortex ring (4) are arranged in an inner hole of the circular ring structure, and the water inlet hole (14) and the water outlet hole (16) are respectively arranged in a ring body of the circular ring structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921171273.7U CN211387312U (en) | 2019-07-24 | 2019-07-24 | Water-cooling plasma cutting gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921171273.7U CN211387312U (en) | 2019-07-24 | 2019-07-24 | Water-cooling plasma cutting gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211387312U true CN211387312U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921171273.7U Active CN211387312U (en) | 2019-07-24 | 2019-07-24 | Water-cooling plasma cutting gun |
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| CN (1) | CN211387312U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113893980A (en) * | 2021-09-23 | 2022-01-07 | 中国科学院金属研究所 | Fixing and locking device of plasma inner hole spray gun |
| WO2022134708A1 (en) * | 2020-12-24 | 2022-06-30 | 江苏博迁新材料股份有限公司 | Cathode structure of high-power plasma arc torch |
-
2019
- 2019-07-24 CN CN201921171273.7U patent/CN211387312U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022134708A1 (en) * | 2020-12-24 | 2022-06-30 | 江苏博迁新材料股份有限公司 | Cathode structure of high-power plasma arc torch |
| CN113893980A (en) * | 2021-09-23 | 2022-01-07 | 中国科学院金属研究所 | Fixing and locking device of plasma inner hole spray gun |
| CN113893980B (en) * | 2021-09-23 | 2022-07-26 | 中国科学院金属研究所 | Fixing and locking device of plasma inner hole spray gun |
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