CN213090489U - Water-cooled leading electrode - Google Patents
Water-cooled leading electrode Download PDFInfo
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- CN213090489U CN213090489U CN202021541494.1U CN202021541494U CN213090489U CN 213090489 U CN213090489 U CN 213090489U CN 202021541494 U CN202021541494 U CN 202021541494U CN 213090489 U CN213090489 U CN 213090489U
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Abstract
The utility model provides a water-cooling leading electrode, which comprises an electrode main body and a sealing structure, wherein the electrode main body is provided with a first flange structure, the front end of the electrode main body passes through an electrode connecting pipe of a vacuum furnace and extends into the vacuum furnace, the rear end part of the electrode connecting pipe is provided with a second flange structure, and the first flange structure and the second flange structure are connected with each other through a plurality of connecting bolts; the sealing structure is arranged between the first flange structure and the second flange structure to seal the electrode main body and the electrode connecting pipe with each other. The sealing structure can realize a better sealing effect, and is convenient and simple in processing technology and low in cost. The problems that in the prior art, the water-cooling lead electrode sealing structure is high in processing difficulty and high in cost are solved.
Description
Technical Field
The utility model relates to a vacuum furnace part field particularly, relates to a water-cooling draws electrode.
Background
Vacuum furnaces are common equipment in industrial production. The vacuum furnace is internally provided with a heating body, and the leading electrode is used for connecting the internal heating body with an external power supply so as to supply power to the internal heating body.
In order to install the leading electrode, a corresponding installation hole is formed in the furnace body of the vacuum furnace, an electrode connecting pipe is arranged on the installation hole of the vacuum furnace, and the leading electrode is fixedly installed in the electrode connecting pipe through a connecting sleeve. In order to ensure the vacuum environment in the vacuum furnace, absolute sealing must be ensured between the lead electrode and the connecting sleeve and between the lead electrode and the electrode connecting pipe. Therefore, a sealing ring is arranged on a connecting sleeve of the existing leading electrode, and the outer diameter and the inner diameter of the sealing ring are correspondingly equal to those of the connecting sleeve. After the installation is completed, the outer side wall of the connecting sleeve and the outer side wall of the sealing ring are mutually attached to the inner side wall of the electrode connecting pipe, and the inner side wall of the connecting sleeve and the inner side wall of the sealing ring are mutually attached to the outer side wall of the leading electrode to realize axial sealing.
Although the sealing mode can realize better sealing performance, the requirement on the roughness of the inner surface of the electrode connecting pipe and the outer surface of the leading electrode is very high during actual processing, the processing difficulty is high, the cost is high, and the sealing mode is not suitable for industrial application.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a water-cooled leading electrode to solve the problem that the processing difficulty of the water-cooled leading electrode sealing structure in the prior art is large and the cost is high.
In order to achieve the above object, the utility model provides a water-cooling leading electrode, include: the electrode comprises an electrode main body, a first flange structure is arranged on the electrode main body, the front end of the electrode main body penetrates through an electrode connecting pipe of the vacuum furnace and extends into the vacuum furnace, a second flange structure is arranged at the rear end part of the electrode connecting pipe, and the first flange structure and the second flange structure are connected with each other through a plurality of connecting bolts; and the sealing structure is arranged between the first flange structure and the second flange structure so as to seal the electrode main body and the electrode connecting pipe with each other.
Further, an annular step structure is arranged in the inner cavity of the electrode connecting pipe; the water-cooled leading electrode further comprises: the connecting sleeve is arranged in the annular step structure; the rear end face of the connecting sleeve and the rear end face of the second flange structure are flush with each other, and the electrode main body penetrates through the inner cavity of the connecting sleeve and extends into the vacuum furnace.
Further, the water-cooled leading electrode still includes: the annular pressing plate is sleeved on the electrode main body and is positioned between the first flange structure and the second flange structure; wherein, the sealing structure is arranged on two end faces of the annular pressure plate.
Further, the seal structure includes: the first sealing ring is arranged between the rear end face of the annular pressure plate and the front end face of the first flange structure; and the second sealing ring is arranged between the front end surface of the annular pressure plate and the rear end surface of the second flange structure.
Furthermore, a first annular sealing groove is formed in the front end face of the first flange structure and matched with the first sealing ring; the first sealing ring is arranged in the first annular sealing groove and is mutually pressed with the rear end face of the annular pressing plate.
Furthermore, a second annular sealing groove is formed in the rear end face of the second flange structure and matched with the second sealing ring; the second sealing ring is arranged in the second annular sealing groove and is mutually pressed with the front end face of the annular pressing plate.
Furthermore, the front end face of the annular pressure plate is mutually abutted with the rear end face of the connecting sleeve.
Furthermore, a cooling water cavity extending along the axial direction of the electrode main body is formed in the electrode main body; the water-cooled leading electrode further comprises: the water guide seat is arranged at the rear end of the electrode main body and is provided with a water inlet pipe interface and a water return pipe interface; the water guide pipe is arranged in the cooling water cavity along the extension direction of the cooling water cavity; the front end part of the water guide pipe extends to the front end part of the cooling water cavity, and the rear end part of the water guide pipe is communicated with the water inlet pipe interface; the interface of the return water pipe is communicated with the cooling water cavity; cooling water enters the water guide pipe from the water inlet pipe connector and flows to the cooling water cavity to cool the electrode main body; and the cooled water flow is discharged through the water return pipe connector to realize cooling water circulation.
Further, the water guide seat is detachably mounted at the rear end of the electrode main body through a screw structure.
Furthermore, the water inlet pipe interface and the water return pipe interface are both threaded interfaces.
The water-cooling lead electrode adopting the technical scheme of the utility model comprises an electrode main body and a sealing structure, wherein the electrode main body is provided with a first flange structure, the front end of the electrode main body passes through an electrode connecting pipe of a vacuum furnace and extends into the vacuum furnace, the rear end part of the electrode connecting pipe is provided with a second flange structure, and the first flange structure and the second flange structure are connected with each other through a plurality of connecting bolts; the sealing structure is arranged between the first flange structure and the second flange structure to seal the electrode main body and the electrode connecting pipe with each other. The sealing structure can realize a better sealing effect, and is convenient and simple in processing technology and low in cost. The problems that in the prior art, the water-cooling lead electrode sealing structure is high in processing difficulty and high in cost are solved.
Drawings
The accompanying drawings, which form a part of the present application, 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:
fig. 1 is a schematic cross-sectional structure diagram of an alternative water-cooled lead electrode according to an embodiment of the present invention.
Wherein the figures include the following reference numerals:
10. an electrode body; 11. a first flange structure; 12. a cooling water cavity; 20. electrode connecting pipes; 21. a second flange structure; 30. a sealing structure; 31. a first seal ring; 32. a second seal ring; 40. connecting sleeves; 50. an annular pressure plate; 60. a connecting bolt; 70. a water guide seat; 71. a water inlet pipe interface; 72. a water return pipe interface; 80. a water conduit.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
According to the utility model discloses water-cooling draws electrode, including electrode main body 10 and seal structure 30, be provided with first flange structure 11 on the electrode main body 10, the front end of electrode main body 10 passes the electrode takeover 20 of vacuum furnace and extends to in the vacuum furnace, the rear end of electrode takeover 20 is provided with second flange structure 21, first flange structure 11 and second flange structure 21 interconnect through a plurality of connecting bolt 60; a sealing structure 30 is provided between the first flange structure 11 and the second flange structure 21 to seal the electrode main body 10 and the electrode nipple 20 from each other. The sealing structure 30 not only can realize better sealing effect, but also has convenient and simple processing technology and low cost. The problems that the water-cooling leading electrode sealing structure 30 in the prior art is high in processing difficulty and high in cost are solved.
In specific implementation, an electrode through hole is formed at the front end of the electrode connecting pipe 20, the diameter of the electrode through hole is matched with the outer diameter of the electrode main body 10, and an annular step structure is formed in the inner cavity of the electrode connecting pipe 20; the water-cooled lead electrode also comprises a connecting sleeve 40, the connecting sleeve 40 is embedded in the annular step structure, and the electrode main body 10 passes through the inner cavity of the connecting sleeve 40 and the electrode through hole and extends into the vacuum furnace; after the electrode main body 10, the connecting sleeve 40 and the electrode connecting pipe 20 are assembled with each other, the rear end face of the connecting sleeve 40 is flush with the rear end face of the second flange structure 21, and the front end face of the connecting sleeve 40 is abutted against the step face of the annular step structure; the outer side wall of the connecting sleeve 40 is attached to the inner side wall of the electrode connecting pipe 20, and the inner side wall of the connecting sleeve 40 is attached to the outer side wall of the electrode main body 10, so that tight assembly is realized.
Further, the water-cooling lead electrode also comprises an annular pressure plate 50, the diameter of an inner hole of the annular pressure plate 50 is matched with the outer diameter of the electrode main body 10, the annular pressure plate 50 is sleeved on the electrode main body 10 and is positioned between the first flange structure 11 and the second flange structure 21, and the front end face of the annular pressure plate 50 is mutually abutted with the rear end face of the connecting sleeve 40 so as to tightly press the connecting sleeve 40; the seal structures 30 are provided on both end faces of the annular pressure plate 50 so as to be in corresponding contact with and seal the first flange structure 11 and the second flange structure 21.
Specifically, the sealing structure 30 includes a first sealing ring 31 and a second sealing ring 32, the first sealing ring 31 is disposed between the rear end surface of the annular pressure plate 50 and the front end surface of the first flange structure 11; the second sealing ring 32 is arranged between the front end face of the annular pressure plate 50 and the rear end face of the second flange structure 21, and the first sealing ring 31 and the second sealing ring 32 are pressed tightly after the first flange structure 11 and the second flange structure 21 are locked with each other through a plurality of connecting bolts 60 so as to realize sealing.
In order to achieve a better sealing effect and facilitate installation of the first sealing ring 31 and the second sealing ring 32, further, a first annular sealing groove is formed in the front end face of the first flange structure 11 and matched with the first sealing ring 31, and a second annular sealing groove is formed in the rear end face of the second flange structure 21 and matched with the second sealing ring 32; the first sealing ring 31 is embedded in the first annular sealing groove and is pressed against the rear end face of the annular pressure plate 50, and the second sealing ring 32 is arranged in the second annular sealing groove and is pressed against the front end face of the annular pressure plate 50.
Further, a cooling water cavity 12 extending along the axial direction is formed in the electrode main body 10; the water-cooled lead electrode further comprises a water guide seat 70 and a water guide pipe 80, wherein the water guide seat 70 is arranged at the rear end of the electrode main body 10, specifically, an external thread is arranged on the outer side wall of the rear end of the electrode main body 10, an internal thread is arranged on the inner side wall of the inner cavity of the water guide seat 70, and the water guide seat 70 is detachably arranged at the rear end of the electrode main body 10 through a thread structure. The water guide seat 70 is provided with a water inlet pipe interface 71 and a water return pipe interface 72, the water inlet pipe interface 71 is positioned at the rear end part of the water guide seat 70, and the water return pipe interface 72 is positioned at the side of the water guide seat 70; the water guide pipe 80 is arranged in the cooling water cavity 12 along the extension direction of the cooling water cavity 12, the front end part of the water guide pipe 80 extends to the front end part of the cooling water cavity 12, and the rear end part of the water guide pipe 80 is communicated with the water inlet pipe interface 71; the water return pipe interface 72 is communicated with the cooling water cavity 12 through the inner cavity of the water guide seat 70; the water inlet pipe connector 71 and the water return pipe connector 72 are both threaded connectors, when the electrode main body cooling device works specifically, the water inlet pipe connector 71 is connected with a water inlet pipe connector so as to be communicated with a water inlet pipe, the water return pipe connector 72 is connected with a water return pipe connector so as to be communicated with a water return pipe, and cooling water enters the water guide pipe 80 from the water inlet pipe connector 71 and flows to the cooling water cavity 12 so as to cool the electrode main body 10; the cooled water flow is discharged through the return pipe joint 72 to realize cooling water circulation.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A water-cooled lead electrode, comprising:
the electrode structure comprises an electrode main body (10), wherein a first flange structure (11) is arranged on the electrode main body (10), the front end of the electrode main body (10) penetrates through an electrode connecting pipe (20) of a vacuum furnace and extends into the vacuum furnace, a second flange structure (21) is arranged at the rear end part of the electrode connecting pipe (20), and the first flange structure (11) and the second flange structure (21) are connected with each other through a plurality of connecting bolts (60);
a sealing structure (30) disposed between the first flange structure (11) and the second flange structure (21) to seal the electrode body (10) and the electrode nipple (20) from each other.
2. The water-cooled lead electrode according to claim 1, characterized in that the inner cavity of the electrode connecting pipe (20) is provided with an annular step structure; the water-cooled lead electrode further comprises:
the connecting sleeve (40) is arranged in the annular step structure;
the rear end face of the connecting sleeve (40) and the rear end face of the second flange structure (21) are flush with each other, and the electrode main body (10) penetrates through the inner cavity of the connecting sleeve (40) and extends into the vacuum furnace.
3. The water-cooled lead electrode of claim 2, further comprising:
an annular pressure plate (50) sleeved on the electrode main body (10) and positioned between the first flange structure (11) and the second flange structure (21);
wherein the sealing structure (30) is arranged on two end faces of the annular pressure plate (50).
4. The water-cooled lead electrode according to claim 3, characterized in that the sealing structure (30) comprises:
the first sealing ring (31) is arranged between the rear end face of the annular pressure plate (50) and the front end face of the first flange structure (11);
and the second sealing ring (32) is arranged between the front end surface of the annular pressure plate (50) and the rear end surface of the second flange structure (21).
5. The water-cooled lead electrode according to claim 4, characterized in that a first annular sealing groove is formed on the front end face of the first flange structure (11), and the first annular sealing groove is matched with the first sealing ring (31);
the first sealing ring (31) is arranged in the first annular sealing groove and is mutually pressed with the rear end face of the annular pressing plate (50).
6. The water-cooled lead electrode as recited in claim 4, characterized in that a second annular sealing groove is formed on the rear end face of the second flange structure (21), and the second annular sealing groove is matched with the second sealing ring (32);
the second sealing ring (32) is arranged in the second annular sealing groove and is mutually pressed with the front end face of the annular pressing plate (50).
7. The water-cooled lead electrode according to claim 3, characterized in that the front end surface of the annular pressure plate (50) and the rear end surface of the connecting sleeve (40) are mutually abutted.
8. The water-cooled lead electrode according to claim 1, characterized in that the interior of the electrode main body (10) is provided with a cooling water cavity (12) extending along the axial direction thereof; the water-cooled lead electrode further comprises:
the water guide seat (70) is arranged at the rear end of the electrode main body (10), and a water inlet pipe interface (71) and a water return pipe interface (72) are formed in the water guide seat (70);
a water guide pipe (80) arranged in the cooling water cavity (12) along the extension direction of the cooling water cavity (12);
the front end part of the water guide pipe (80) extends to the front end part of the cooling water cavity (12), and the rear end part of the water guide pipe (80) is communicated with the water inlet pipe connector (71); the water return pipe interface (72) is communicated with the cooling water cavity (12); cooling water enters the water guide pipe (80) from the water inlet pipe joint (71) and flows to the cooling water cavity (12) to cool the electrode main body (10); the cooled water flow is discharged through the water return pipe joint (72) to realize cooling water circulation.
9. The water-cooled lead electrode of claim 8, characterized in that the water guide seat (70) is detachably mounted at the rear end of the electrode body (10) by a screw structure.
10. The water-cooled electrode according to claim 8, wherein the water inlet pipe interface (71) and the water return pipe interface (72) are both threaded interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021541494.1U CN213090489U (en) | 2020-07-24 | 2020-07-24 | Water-cooled leading electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021541494.1U CN213090489U (en) | 2020-07-24 | 2020-07-24 | Water-cooled leading electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213090489U true CN213090489U (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021541494.1U Active CN213090489U (en) | 2020-07-24 | 2020-07-24 | Water-cooled leading electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213090489U (en) |
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2020
- 2020-07-24 CN CN202021541494.1U patent/CN213090489U/en active Active
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