CN219757005U - Electrode connection structure of vacuum resistance furnace - Google Patents
Electrode connection structure of vacuum resistance furnace Download PDFInfo
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- CN219757005U CN219757005U CN202320616917.9U CN202320616917U CN219757005U CN 219757005 U CN219757005 U CN 219757005U CN 202320616917 U CN202320616917 U CN 202320616917U CN 219757005 U CN219757005 U CN 219757005U
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- China
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- electrode
- tungsten plate
- shaped groove
- side wall
- plate electrode
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 46
- 239000010937 tungsten Substances 0.000 claims abstract description 46
- 229910052802 copper Inorganic materials 0.000 claims abstract description 21
- 239000010949 copper Substances 0.000 claims abstract description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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- Furnace Details (AREA)
Abstract
The utility model relates to a vacuum resistance furnace electrode connection structure, which comprises a tungsten plate electrode and a copper rod electrode, and is technically characterized in that: the V-shaped groove is formed in one end of the copper bar electrode, the groove bottom of the V-shaped groove is a plane, the first side wall of the V-shaped groove is perpendicular to the groove bottom, the included angle between the second side wall and the groove bottom is an obtuse angle, the tail end of the tungsten plate electrode is inserted into the V-shaped groove, the bottom surface of the tungsten plate electrode is attached to the groove bottom of the V-shaped groove, one side elevation of the tungsten plate electrode is attached to the first side wall, an electrode compressing block is clamped between the other side elevation of the tungsten plate electrode and the second side wall, a plurality of threaded holes are formed in the second side wall, through holes corresponding to the threaded holes one by one are formed in the electrode compressing block, the tips of the bolts penetrate through the through holes in the electrode compressing block and then are fixedly connected with the threaded holes, and the threaded holes and the through holes are perpendicular to the horizontal plane respectively. The structure solves the problem that the prior electrode connection structure is difficult to connect in the furnace, is convenient to connect and overhaul and maintain, ensures stable electrode connection and is reliable to use.
Description
Technical Field
The utility model relates to an electrode connection structure, in particular to a vacuum resistance furnace electrode connection structure.
Background
The vacuum resistance furnace is an industrial furnace which heats an electric heating element or a heating medium in the vacuum furnace by utilizing current so as to heat a workpiece or a material. It is a heating furnace that generates heat energy by passing an electric current through a resistive material. The electrode is a device for introducing current into the vacuum resistance furnace to supply current to the heating body, and a copper rod electrode is generally adopted, and cooling water is introduced into the copper rod electrode and is insulated from the furnace shell. Most of the vacuum internal heating bodies are tungsten net heaters, and tungsten plate electrodes are led out of the tungsten net heaters. Referring to fig. 1, a tungsten mesh heater is placed at the center of the interior of the vacuum furnace, and copper rod electrodes are introduced from the side surface of the vacuum furnace and fixedly connected with tungsten plate electrodes.
The existing electrode connection structure is: a plane is processed on one end of the copper rod electrode, which is positioned in the vacuum furnace, and the copper rod electrode is fixedly connected with the plane of the tungsten plate electrode through bolts. But has the following problems: 1. because the heating body is provided with a plurality of heat preservation layers outside, the gap between the heat preservation layers and the inner wall of the vacuum furnace is smaller, the operation space is smaller, the difficulty of locking the bolt is high when an operator connects the electrode, and the maintenance is inconvenient; 2. when the copper rod electrode and the tungsten plate electrode are not tightly attached due to improper operation, the service lives of the heating body and the electrode can be influenced, and the workpiece can be scrapped when serious.
Disclosure of Invention
The utility model aims to provide the electrode connecting structure of the vacuum resistance furnace, which has reasonable structure and convenient operation, solves the problem of high connecting difficulty of the existing electrode connecting structure in the furnace, is convenient to connect, overhaul and maintain, ensures stable electrode connection and is reliable to use.
The technical scheme of the utility model is as follows:
the utility model provides a vacuum resistance stove electrode connection structure, includes the tungsten plate electrode that is used for being connected with the heating member in the stove, the bar copper electrode of being connected with external power source, its technical essential is: the V-shaped groove is formed in one end of the copper bar electrode, the groove bottom of the V-shaped groove is a plane, the width of the plane is equal to or larger than the thickness of the tungsten plate electrode, the first side wall of the V-shaped groove is perpendicular to the groove bottom, the included angle between the second side wall and the groove bottom is an obtuse angle, the tail end of the tungsten plate electrode is inserted into the V-shaped groove, the bottom surface of the tungsten plate electrode is attached to the groove bottom of the V-shaped groove, one side elevation of the tungsten plate electrode is attached to the first side wall of the V-shaped groove, an electrode compression block is clamped between the other side elevation of the tungsten plate electrode and the second side wall of the V-shaped groove, a plurality of threaded holes are formed in the second side wall at intervals, through holes corresponding to the threaded holes one by one are formed in the electrode compression block, the tips of the bolts penetrate through the through holes in the electrode compression block and are fixedly connected with the threaded holes, and the threaded holes are perpendicular to the horizontal plane respectively.
According to the electrode connecting structure of the vacuum resistance furnace, the inclined plane matched with the second side wall is arranged at the bottom of the electrode pressing block, the vertical plane matched with the side vertical plane of the tungsten plate electrode is arranged on the side face of the electrode pressing block, and the top face of the electrode pressing block is parallel to the horizontal plane and is provided with the vertical limiting edge corresponding to the tungsten plate electrode.
According to the vacuum resistance furnace electrode connecting structure, the through holes on the electrode pressing blocks are waist-shaped through holes which are convenient to operate.
According to the electrode connecting structure of the vacuum resistance furnace, the gasket is arranged between the nut of the bolt and the top surface of the electrode compacting block.
The beneficial effects of the utility model are as follows:
1. during installation, one end of the tungsten plate electrode is arranged in the V-shaped groove of the copper bar electrode, the bottom surface of the tungsten plate electrode is attached to the bottom of the V-shaped groove, one side elevation of the tungsten plate electrode is attached to the first side wall of the V-shaped groove, and an electrode compression block is clamped between the other side elevation and the second side wall of the V-shaped groove and is locked and fixed through a bolt. In the locking process, the electrode compacting block moves downwards along the second side wall of the V-shaped groove of the copper bar electrode, so that the tungsten plate electrode is clamped.
2. The threaded hole and the through hole are respectively perpendicular to the horizontal plane, when the electrode is connected, the locking direction is from top to bottom, the limitation of a gap between the heat insulation layer and the inner wall of the vacuum furnace is avoided, the requirement on the operation space is small, and therefore the operation difficulty is reduced, the problem that the existing electrode connecting structure is high in the connection difficulty in the furnace is solved, the connection and the overhaul and the maintenance are convenient, the electrode connection is ensured to be stable, and the use is reliable.
Drawings
FIG. 1 is a schematic diagram of a prior art vacuum furnace, heating body, tungsten plate electrode and copper rod electrode;
fig. 2 is a schematic diagram of a connection structure of a heating body electrode using the present utility model;
FIG. 3 is a schematic view of a partial structure of a copper bar electrode according to the present utility model;
FIG. 4 is a schematic view of the structure of an electrode packing block of the present utility model;
FIG. 5 is a schematic view of an electrode connection structure of the present utility model;
fig. 6 is a schematic view of the assembly of the tungsten plate electrode, copper rod electrode, electrode compression block, bolt and gasket of the present utility model.
In the figure: 1. vacuum furnace, 2. Tungsten plate electrode, 3. Copper bar electrode, 301. First side wall, 302. Second side wall, 303. Threaded hole, 304. Tank bottom, 4. Heating body, 5. Electrode compression block, 501. Vertical plane, 502. Inclined plane, 503. Through hole, 504. Top surface, 505. Vertical limit edge, 6. Bolt, 7. Gasket.
Description of the embodiments
The utility model will be described in detail with reference to the drawings.
As shown in fig. 2 to 6, the vacuum resistance furnace electrode connection structure includes a tungsten plate electrode 2 for connecting to a heating body 4 in a vacuum furnace 1, and a copper rod electrode 3 connected to an external power source.
The copper bar electrode 3 is provided with a V-shaped groove at one end, the groove bottom 304 of the V-shaped groove is a plane, the width of the plane is equal to or greater than the thickness of the tungsten plate electrode 2, the first side wall 301 of the V-shaped groove is perpendicular to the groove bottom 304, and the second side wall 302 is an inclined plane and forms an obtuse angle with the groove bottom 304.
The tail end of the tungsten plate electrode 2 is inserted into the V-shaped groove, the bottom surface of the tungsten plate electrode 2 is attached to the groove bottom 304 of the V-shaped groove, one side elevation of the tungsten plate electrode 2 is attached to the first side wall 301 of the V-shaped groove, and an electrode compression block 5 is clamped between the other side elevation of the tungsten plate electrode 2 and the second side wall 302 of the V-shaped groove. A plurality of threaded holes 303 are formed in the second side wall 302 of the V-shaped groove at intervals along the length direction, through holes 503 corresponding to the threaded holes 303 one by one are formed in the electrode pressing block 5, the tips of the bolts 6 penetrate through the through holes 503 in the electrode pressing block 5 and then are fixedly connected with the threaded holes 303, and the threaded holes 303 and the through holes 503 are perpendicular to the horizontal plane respectively.
In this embodiment, an inclined plane 502 matched with the second side wall 302 is disposed at the bottom of the electrode pressing block 5, a vertical plane 501 matched with a side vertical plane of the tungsten plate electrode 2 is disposed at a side surface of the electrode pressing block 5, and a top surface 504 of the electrode pressing block 5 is parallel to the horizontal plane and is provided with a vertical limiting edge 505 corresponding to the tungsten plate electrode 2. The through hole 503 on the electrode pressing block 5 is a waist-shaped through hole which is convenient to operate. A gasket 7 is arranged between the nut of the bolt 6 and the top surface of the electrode compacting block 5.
Working principle:
during installation, one end of the tungsten plate electrode 2 is arranged in the V-shaped groove of the copper bar electrode 3, the bottom surface of the tungsten plate electrode 2 is attached to the groove bottom 304 of the V-shaped groove, one side elevation of the tungsten plate electrode 2 is attached to the first side wall 301 of the V-shaped groove, and an electrode compression block 5 is clamped between the other side elevation and the second side wall 302 of the V-shaped groove and locked and fixed by using a bolt 6, so that stable connection convenient to operate is realized.
The foregoing describes the embodiments of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to fall within the scope of the present utility model.
Claims (4)
1. The utility model provides a vacuum resistance stove electrode connection structure, includes the tungsten plate electrode that is used for being connected with the heating member in the stove, the bar copper electrode of being connected with external power source, its characterized in that: the V-shaped groove is formed in one end of the copper bar electrode, the groove bottom of the V-shaped groove is a plane, the width of the plane is equal to or larger than the thickness of the tungsten plate electrode, the first side wall of the V-shaped groove is perpendicular to the groove bottom, the included angle between the second side wall and the groove bottom is an obtuse angle, the tail end of the tungsten plate electrode is inserted into the V-shaped groove, the bottom surface of the tungsten plate electrode is attached to the groove bottom of the V-shaped groove, one side elevation of the tungsten plate electrode is attached to the first side wall of the V-shaped groove, an electrode compression block is clamped between the other side elevation of the tungsten plate electrode and the second side wall of the V-shaped groove, a plurality of threaded holes are formed in the second side wall at intervals, through holes corresponding to the threaded holes one by one are formed in the electrode compression block, the tips of the bolts penetrate through the through holes in the electrode compression block and are fixedly connected with the threaded holes, and the threaded holes are perpendicular to the horizontal plane respectively.
2. The vacuum resistance furnace electrode connection structure according to claim 1, wherein: the bottom of the electrode compressing block is provided with an inclined plane matched with the second side wall, the side surface of the electrode compressing block is provided with a vertical plane matched with the side vertical surface of the tungsten plate electrode, and the top surface of the electrode compressing block is parallel to the horizontal plane and is provided with a vertical limiting edge corresponding to the tungsten plate electrode.
3. The vacuum resistance furnace electrode connection structure according to claim 1, wherein: the through holes on the electrode pressing blocks are waist-shaped through holes which are convenient to operate.
4. The vacuum resistance furnace electrode connection structure according to claim 1, wherein: a gasket is arranged between the nut of the bolt and the top surface of the electrode compacting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320616917.9U CN219757005U (en) | 2023-03-27 | 2023-03-27 | Electrode connection structure of vacuum resistance furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320616917.9U CN219757005U (en) | 2023-03-27 | 2023-03-27 | Electrode connection structure of vacuum resistance furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219757005U true CN219757005U (en) | 2023-09-26 |
Family
ID=88076258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320616917.9U Active CN219757005U (en) | 2023-03-27 | 2023-03-27 | Electrode connection structure of vacuum resistance furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219757005U (en) |
-
2023
- 2023-03-27 CN CN202320616917.9U patent/CN219757005U/en active Active
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