CN214489202U

CN214489202U - Plasma cutting electrode

Info

Publication number: CN214489202U
Application number: CN202120363555.8U
Authority: CN
Inventors: 张宏军; 胡天赐; 徐健
Original assignee: Shanghai Yimeiyou Technology Co ltd
Current assignee: Shanghai Yimeiyou Technology Co ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-10-26
Anticipated expiration: 2031-02-08

Abstract

The utility model discloses a plasma cutting electrode, include electrode main part, connecting piece, radiator unit, setting element, accept piece and mounting, the setting element both sides are located to radiator unit and accept piece rigid coupling respectively, the mounting rigid coupling is located and is accepted one side of keeping away from the setting element on the piece, connecting piece one end is run through and is located in the radiator unit, electrode main part rigid coupling is located on the connecting piece, radiator unit includes heat dissipation shell, louvre, fin, conducting strip and heat dissipation chamber, the heat dissipation shell is located on the setting element, the louvre is located respectively on the heat dissipation shell, the heat dissipation chamber is located between heat dissipation shell and the connecting piece, the conducting strip runs through and locates on the connecting piece, the fin is located in the heat dissipation chamber, the fin is fixed respectively and is located on the conducting strip. The utility model belongs to the technical field of plasma cutting, specifically provide a novel structure, the heat dissipation is abundant, increase of service life, low cost's plasma cutting electrode.

Description

Plasma cutting electrode

Technical Field

The utility model belongs to the plasma cutting field specifically indicates a plasma cutting electrode.

Background

In modern industrial application, the application of machining is more and more carried out through a plasma cutting process, the plasma cutting machine can be used for cutting various metal materials such as stainless steel, aluminum, copper, cast iron, carbon steel and the like, and the plasma cutting machine has the advantages of high cutting speed, narrow cutting seam, flat cut, small heat affected zone, low workpiece deformation degree, simplicity in operation and remarkable energy-saving effect.

A large number of plasma cutting electrodes are required in the plasma cutting link, and most of the plasma cutting electrodes in the market adopt a mode of press-fit combination of an all-copper main body and a hafnium metal emitter. In the in-service use because the operating temperature of cutting electrode head is higher, the heat conductivility of single hafnium spare emitter is not enough under high temperature, cause the electrode heat dissipation not enough, the outside cooling surface of the electrode of plasma cutting machine among the prior art is the straight decorative pattern of rolling, the in-process of electrode rotation is unfavorable for the smooth and easy of surface air current, make the hafnium metal of installation in the electrode be in the high temperature state for a long time, in plasma cutting process, can not effectually dispel the heat to the inside of electrode, great reduction the life of electrode, the emitter that need frequently to be changed and make by the hafnium spare, not only influence the cutting quality, user's use cost has still been increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the existing problem, the utility model provides a novel structure, heat dissipation are abundant, increase of service life, low cost's plasma cutting electrode.

The utility model adopts the following technical scheme: the utility model relates to a plasma cutting electrode, which comprises an electrode main body, a connecting piece, a heat dissipation component, a positioning piece, a receiving piece and a fixing piece, wherein the heat dissipation component and the receiving piece are respectively and fixedly connected with two sides of the positioning piece, the fixing piece is fixedly connected with one side of the receiving piece far away from the positioning piece, one end of the connecting piece is penetrated and arranged in the heat dissipation component, the electrode main body is fixedly connected with the connecting piece, the heat dissipation component comprises a heat dissipation shell, heat dissipation holes, heat dissipation fins, heat conduction fins and a heat dissipation cavity, the heat dissipation shell is fixedly connected with the positioning piece, the heat dissipation holes are respectively and equidistantly arranged on the heat dissipation shell, the heat dissipation cavity is arranged between the heat dissipation shell and the connecting piece, the heat conduction fins are penetrated and arranged on the connecting piece in a direction parallel to the normal direction of the connecting piece, the heat dissipation fins are arranged in the heat dissipation cavity, the heat dissipation fins are respectively and fixedly connected with the heat conduction fins, an electrode core is arranged in the electrode main body, the heat conducting fins fully transmit the high temperature in the connecting piece to the heat radiating fins in the heat radiating cavity, and the heat radiating fins discharge hot air flow out of the electrode through the heat radiating holes in the heat radiating shell, so that the effect of full heat radiation is achieved.

Further, the thickness of the heat radiating fin is larger than that of the heat conducting fin.

Further, the length of the heat-conducting fin is larger than the thickness of the connecting piece.

Further, the height of the heat dissipation sheet is smaller than the thickness of the heat dissipation cavity.

Further, the electrode core is communicated with the bearing piece, the connecting piece and the positioning piece.

Furthermore, the surface of the electrode main body is provided with oblique threads, and the thread direction of the oblique threads is consistent with the spiral gas direction of the surface of the electrode main body, so that the spiral gas flow on the surface of the electrode is smoother.

Further, the surface of the radiating fin is arranged in an arc shape so as to increase the radiating area.

Furthermore, the radiating fins and the heat conducting fins are respectively made of aluminum materials.

Adopt above-mentioned structure the utility model relates to a beneficial effect that plasma cutting electrode gained as follows:

1. the electrode main body surface of the plasma cutting electrode is provided with the inclined threads, and the thread direction of the inclined threads is consistent with the spiral gas direction of the electrode main body surface, so that the spiral gas flow on the electrode surface is smoother;

2. this scheme plasma cutting electrode is equipped with radiator unit in setting element one side, and on the radiator of heat dissipation intracavity was fully transmitted to the high temperature of connecting piece inside to the conducting strip, the radiator was outside the hot gas flow through the louvre discharge electrode on the heat dissipation shell again, reached abundant radiating effect, the effectual life who improves plasma cutting electrode has reduced user's use cost.

Drawings

FIG. 1 is a schematic view of the overall structure of a plasma cutting electrode according to the present invention;

fig. 2 is a cross-sectional view of the plasma cutting electrode heat dissipation assembly of the present invention.

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings: 1. the electrode comprises an electrode main body, 2, a connecting piece, 3, a heat dissipation assembly, 4, a positioning piece, 5, a receiving piece, 6, a fixing piece, 7, a heat dissipation shell, 8, a heat dissipation hole, 9, a heat dissipation fin, 10, a heat conduction fin, 11, a heat dissipation cavity, 12, an electrode core, 13 and oblique threads.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

As shown in the figure 1-2, the utility model relates to a plasma cutting electrode, which comprises an electrode main body 1, a connecting piece 2, a heat dissipation component 3, a positioning piece 4, a receiving piece 5 and a fixing piece 6, wherein the heat dissipation component 3 and the receiving piece 5 are respectively fixedly connected with two sides of the positioning piece 4, the fixing piece 6 is fixedly connected with one side of the receiving piece 5 far away from the positioning piece 4, one end of the connecting piece 2 is penetrated in the heat dissipation component 3, the electrode main body 1 is fixedly connected with the connecting piece 2, the heat dissipation component 3 comprises a heat dissipation shell 7, heat dissipation holes 8, heat dissipation fins 9, heat conduction fins 10 and a heat dissipation cavity 11, the heat dissipation shell 7 is fixedly connected with the positioning piece 4, the heat dissipation holes 8 are respectively arranged on the heat dissipation shell 7 at equal intervals, the heat dissipation cavity 11 is arranged between the heat dissipation shell 7 and the connecting piece 2, the heat conduction fins 10 are parallel to the normal direction of the connecting piece 2 and are penetrated on the connecting piece 2, the radiating fins 9 are arranged in the radiating cavity 11, the radiating fins 9 are fixedly connected to the heat conducting fins 10 respectively, and the electrode core 12 is arranged in the electrode main body 1.

Wherein, the thickness of the radiating fin 9 is larger than that of the heat conducting fin 10; the length of the heat conducting fin 10 is larger than the thickness of the connecting piece 2; the height of the radiating fin 9 is smaller than the thickness of the radiating cavity 11; the electrode core 12 is communicated with the bearing part 5, the connecting part 2 and the positioning part 4; the surface of the electrode body 1 is provided with an inclined thread 13, and the thread direction of the inclined thread 13 is consistent with the spiral gas direction of the surface of the electrode body 1; the surface of the radiating fin 9 is arranged in an arc shape; the heat sink 9 and the heat conducting fin 10 are made of aluminum material respectively.

When the electrode body is used specifically, the thread direction of the inclined threads 13 is consistent with the spiral gas direction on the surface of the electrode, so that the spiral gas flow on the surface of the electrode body 1 is smoother; the heat conducting fins 10 fully transmit the high temperature in the connecting piece 2 to the heat radiating fins 9 in the heat radiating cavity 11, and the heat radiating fins 9 discharge hot air outside the electrode through the heat radiating holes 8 in the heat radiating shell 7, so that the effect of full heat radiation is achieved, the service life of the plasma cutting electrode is effectively prolonged, and the use cost of a user is reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A plasma cutting electrode, characterized by: including electrode main part, connecting piece, radiator unit, setting element, accepting piece and mounting, the setting element both sides are located to radiator unit and accepting piece rigid coupling respectively, the mounting rigid coupling is located and is accepted one side of keeping away from the setting element on the piece, connecting piece one end is run through and is located in the radiator unit, electrode main part rigid coupling is located on the connecting piece, radiator unit includes heat dissipation shell, louvre, fin, conducting strip and heat dissipation chamber, heat dissipation shell rigid coupling is located on the setting element, the louvre is equidistant respectively on locating the heat dissipation shell, the heat dissipation chamber is located between heat dissipation shell and the connecting piece, the fin runs through on the connecting piece in the normal direction that is on a parallel with the connecting piece, the heat dissipation intracavity is located to the fin, the fin rigid coupling respectively is located on the conducting strip, be equipped with the electrode core in the electrode main part.

2. A plasma cutting electrode as claimed in claim 1, wherein: the thickness of the radiating fin is larger than that of the heat conducting fin.

3. A plasma cutting electrode as claimed in claim 1, wherein: the length of the heat conducting fin is larger than the thickness of the connecting piece.

4. A plasma cutting electrode as claimed in claim 1, wherein: the height of the radiating fin is smaller than the thickness of the radiating cavity.

5. A plasma cutting electrode as claimed in claim 1, wherein: the electrode core is communicated with the bearing piece, the connecting piece and the positioning piece.

6. A plasma cutting electrode as claimed in claim 1, wherein: the electrode is characterized in that the surface of the electrode main body is provided with oblique threads, and the thread direction of the oblique threads is consistent with the spiral gas direction on the surface of the electrode main body.

7. A plasma cutting electrode as claimed in claim 1, wherein: the surface of the radiating fin is arranged in an arc shape.

8. A plasma cutting electrode as claimed in claim 1, wherein: the radiating fins and the heat conducting fins are made of aluminum materials respectively.