High-current high-temperature heating vacuum water-cooled electrode

Abstract

Compared with the prior art, the high-current high-temperature heating vacuum water-cooled electrode disclosed by the utility model has the following beneficial effects that cooling water is introduced into the cooling cavity through one of the first pipe and the second pipe, is discharged from the other pipe after circulating in the cooling cavity, enters from one end of the cooling cavity, and is discharged from the other end of the cooling cavity; therefore, the electrode can be cooled, the problems that the electrode is too large in loss and too short in service life due to high temperature can be effectively avoided, the service life of the electrode is prolonged, and the replacement frequency of the electrode is reduced. Comprising a conductive column, and a cooling cavity is formed in the end face of the first end and extends in the axial direction; the connecting flange is coaxially arranged in the middle area of the conductive column; the water cooling assembly is arranged at the first end of the conductive column and comprises a first pipe and a second pipe which extend into the cooling cavity, one end of the first pipe extends into the cooling cavity, and the other end of the first pipe extends out of the conductive column; and the second pipe is communicated with the end part, close to the first end, of the cooling cavity.

Description

TECHNICAL FIELD

[0001] The utility model relates to conductive electrode technical field especially relates to a high current high temperature heating vacuum water cooling electrode. BACKGROUND

[0002] The heating device of vacuum heating furnace is arranged in the furnace body, and the motor needs to supply power to the heating device, and because the working temperature of the heating furnace is high, the working environment of the electrode is poor, so the loss of the electrode is great, the service life is short, and the replacement is frequent. SUMMARY

[0003] The utility model discloses a high current high temperature heating vacuum water cooling electrode which solves the above problems.

[0004] To achieve the above object, the technical scheme of the utility model is as follows: a high current high temperature heating vacuum water cooling electrode, comprising:

[0005] The conductive column is provided with a cooling cavity on the end face of the first end, and the cooling cavity extends along the axial direction;

[0006] The connecting flange is coaxially arranged in the middle region of the conductive column;

[0007] The water cooling assembly is arranged at the first end of the conductive column and comprises a first pipe and a second pipe which extend into the cooling cavity, one end of the first pipe extends into the cooling cavity away from the first end, and the other end of the first pipe extends out of the conductive column; the second pipe is in communication with the end portion of the cooling cavity close to the first end.

[0008] Further, the first end of the conductive column is coaxially provided with a flange plate, the water cooling assembly further comprises a body which is detachably connected with the flange plate, the body is in sealing cooperation with the flange plate, and the first pipe and the second pipe are arranged on the body.

[0009] Further, one side of the body close to the flange plate is provided with a groove in communication with the cooling cavity, one end of the second pipe is in communication with the groove, and the other end of the second pipe extends out of the body.

[0010] Further, the connecting flange is detachably fixedly connected with the conductive column.

[0011] Further, the middle region of the conductive column is provided with a rim plate, the connecting flange is arranged on one side of the rim plate away from the first end and located on one side of the rim plate close to the first end, a compression ring is abuttingly arranged on the rim plate, and the compression ring is detachably fixedly connected with the connecting flange.

[0012] Further, one side of the rim plate close to the connecting flange is in sealing cooperation with the connecting flange.

[0013] Further, one side of the connecting flange away from the first end is provided with an insulating pad, and one side of the insulating pad close to the connecting flange is in sealing fit with the connecting flange.

[0014] Further, the conductive column is sleeved with an insulating sleeve on one side of the connecting flange away from the first end.

[0015] Further, the end of the conductive column is coaxially provided with a stepped shaft with a reduced diameter, the stepped shaft is externally sleeved with an insulating baffle, one end of the insulating sleeve is in abutment with the baffle, and the other end is in abutment with the rounded baffle; on one side of the insulating plate away from the first end, a limiting surface is detachably arranged on the stepped shaft, and the limiting surface is arranged towards the insulating plate.

[0016] Further, the stepped shaft is threadedly connected with a nut, and the limiting surface is an end surface of the nut.

[0017] Compared with the prior art, the high-current high-temperature heating vacuum water-cooled electrode has the following beneficial effects: during use, cooling water is introduced into the cooling cavity through one of the first pipe and the second pipe, and the cooling water is discharged from the other pipe after circulating in the cooling cavity, so that the cooling water enters from one end of the cooling cavity and is discharged from the other end of the cooling cavity, thereby cooling the electrode, effectively avoiding excessive wear of the electrode due to high temperature, prolonging the service life of the electrode, and reducing the replacement frequency of the electrode; the electrode comprises a conductive column, a cooling cavity is arranged on the end surface of the first end, and the cooling cavity extends along the axial direction; a connecting flange is coaxially arranged in the middle region of the conductive column; a water-cooling assembly is arranged at the first end of the conductive column and comprises a first pipe and a second pipe extending into the cooling cavity, one end of the first pipe extends into one end of the cooling cavity away from the first end, and the other end of the first pipe extends out of the conductive column; and the second pipe is in communication with the end of the cooling cavity close to the first end. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model discloses a kind of high-current high-temperature heating vacuum water-cooled electrode's sectional whole structure schematic diagram.

[0019] Figure 2 The utility model discloses a kind of high-current high-temperature heating vacuum water-cooled electrode's whole structure schematic diagram.

[0020] In the drawing: 1, conductive column;10, stepped shaft;101, outer thread;11, conductive plate;12, flange plate;13, cooling cavity;14, baffle;21, body;22, first pipe;23, second pipe;24, first sealing ring;3, insulating pad;31, second sealing ring;4, connecting flange;41, insulating plunger;5, insulating sleeve;6, insulating baffle;7, nut;71, limiting surface. DETAILED DESCRIPTION

[0021] The utility model will be further explained in detail in connection with the drawings. The drawings are simplified schematic diagrams, and only schematically show the basic structure of the utility model, so they only show the relevant components of the utility model.

[0022] Please refer to Figure 1 , Figure 2 The technical scheme of the utility model is as follows: a high-current high-temperature heating vacuum water-cooled electrode comprises:

[0023] The conductive column 1 is provided with a cooling cavity 13 at the end face of the first end, and the cooling cavity 13 extends along the axial direction;

[0024] The connecting flange 4 is coaxially arranged in the middle region of the conductive column 1;

[0025] The water-cooled assembly is arranged at the first end of the conductive column 1 and comprises a first pipe 22 and a second pipe 23 which extend into the cooling cavity 13, one end of the first pipe 22 extends into the cooling cavity 13 away from the first end, and the other end of the first pipe 22 extends out of the conductive column 1; the second pipe 23 is in communication with the end portion of the cooling cavity 13 close to the first end.

[0026] As a specific embodiment, reference is made to Figure 1 , Figure 2 The electrode provided by the application comprises a conductive column 1, wherein the conductive column 1 is made of copper material and has a columnar structure, a cylindrical cooling cavity 13 is coaxially arranged on the end face of the first end, the cooling cavity 13 is arranged in the form of a blind hole, the other end does not penetrate the conductive column 1, a connecting flange 4 is arranged in the middle region of the conductive column 1, a water-cooled assembly is arranged at the first end, one end of the water-cooled assembly extends into the bottom of the cooling cavity 13, the other end extends out of the cooling cavity 13, the second pipe 23 is in communication with the end portion of the cooling cavity 13 close to the first end, and in use, the electrode is installed on the furnace body of a vacuum heating furnace through the connecting flange 4, the end away from the first end extends into the furnace cavity and is electrically connected with the heating device inside the furnace cavity, when the heating furnace is working, cooling water is supplied into the cooling cavity 13 through one of the first pipe 22 and the second pipe 23, and the cooling water is discharged from the other pipe after circulating in the cooling cavity 13, so that the cooling water enters the cooling cavity 13 from one end and is discharged from the other end, thereby cooling the electrode, effectively avoiding excessive wear of the electrode due to high temperature and excessively low service life, improving the service life of the electrode and reducing the replacement frequency of the electrode.

[0027] Specifically, as a preferred embodiment, the first pipe 22 serves as a water inlet pipe, and the second pipe 23 serves as a water outlet pipe, the cooling water flowing into the bottom of the cooling cavity 13 from the water inlet pipe can flow out from the bottom, thereby improving the cooling effect.

[0028] Further, as a specific embodiment, the first end of the conductive column 1 is coaxially provided with a flange plate 12, and the water cooling assembly further comprises a body 21 detachably connected with the flange plate 12, the body 21 is in sealing cooperation with the flange plate 12, and the first pipe 22 and the second pipe 23 are arranged on the body 21. Referring to Figure 1 , Figure 2 , as a specific embodiment, one end of the conductive column 1 is integrally provided with a flange plate 12, and the water cooling assembly comprises a body 21, the body 21 is detachably fixedly connected with the flange plate 12, after the body 21 is fixed on the flange plate 12, the first pipe 22 is coaxially arranged with the cooling cavity 13, and the end of the first pipe 22 penetrates into the bottom of the cooling cavity 13, and the second pipe 23 is arranged on the side wall of the body 21. By this arrangement, the water cooling assembly is convenient to connect with the conductive column 1.

[0029] Specifically, the flange plate 12 is detachably connected with the conductive plate 11, and the conductive plate 11 is fixed on the flange plate 12 by bolts, so that the conductive plate 11 is connected with the power supply to supply power to the conductive column 1.

[0030] Further, as a preferred embodiment, referring to Figure 1 , one side of the body 21 close to the flange plate 12 is provided with a groove in communication with the cooling cavity 13, one end of the second pipe 23 is in communication with the groove, and the other end of the second pipe 23 extends out of the body 21. Specifically, when the body 21 is connected with the flange plate 12, the groove is coaxially arranged with the cooling cavity 13, and the first pipe 22 is coaxially arranged with the groove. By this arrangement, after the body 21 is connected with the flange plate 12, the first pipe 22 can ensure the coaxial cooperation of the cooling groove; the first sealing ring 24 is arranged between the body 21 and the flange plate 12, and the body 21 and the flange plate 12 are in sealing cooperation through the first sealing ring 24, so as to avoid leakage of cooling water.

[0031] Further, as a preferred embodiment, the connecting flange 4 is detachably fixedly connected with the conductive column 1. By detachably fixing the connecting flange 4 with the conductive column 1, after the conductive column 1 is worn out, the connecting flange 4 can be reused by detaching the conductive column 1 from the connecting flange 4.

[0032] Further, as a specific embodiment, the connecting flange 4 is detachably fixedly connected with the conductive column 1. By detachably fixing the connecting flange 4 with the conductive column 1, after the conductive column 1 is worn out, the connecting flange 4 can be reused by detaching the conductive column 1 from the connecting flange 4. Figure 1 , the middle region of the conductive column 1 is provided with a rim plate 14; the connecting flange 4 is arranged on the side of the rim plate 14 away from the first end, and is arranged on the side of the rim plate 14 close to the first end, and a compression ring is abutted and arranged on the rim plate 14, and the compression ring is detachably fixedly connected with the connecting flange 4. Specifically, the rim plate 14 is integrally arranged with the conductive column 1, and referring to Figure 2The compression ring is composed of two half circular rings, and the compression ring is detachably fixedly connected with the connecting flange 4 through fixing bolts. The compression ring and the connecting flange 4 clamp and position the edge plate 14, so as to complete the connection between the connecting flange 4 and the conductive column 1.

[0033] Further, as a preferred embodiment, referring to Figure 1 The edge plate 14 is in sealing fit with the connecting flange 4 on one side close to the connecting flange 4. Specifically, a second sealing ring 31 is arranged between the upper surface of the edge plate 14 and the connecting flange 4. When the connecting flange 4 is arranged on the conductive column 1, the edge plate 14 and the connecting flange 4 extrude the second sealing ring 31 to form a sealing fit. Specifically, the second sealing ring 31 is a fluorine rubber sealing ring.

[0034] Further, as a specific embodiment, the connecting flange 4 is provided with an insulating pad 3 on one side away from the first end, and the insulating pad 3 is in sealing fit with the connecting flange 4 on one side close to the connecting flange 4.

[0035] Specifically, the insulating pad 3 is made of polytetrafluoroethylene material, which has good insulation. An insulating plunger 41 is arranged in the flange hole of the connecting flange 4. In this way, the locking screw is inserted into the insulating plunger 41 and is screwed with the threaded hole on the heating cavity. The connecting flange 4 and the shell of the heating cavity are insulated by the insulating pad 3 and the insulating plunger 41, thereby improving safety.

[0036] Further, as a preferred embodiment, the conductive column 1 is sleeved with an insulating sleeve 5 on one side away from the first end of the connecting flange 4. Specifically, the insulating sleeve 5 is made of ceramic material. By arranging the insulating sleeve 5, the outer circumferential surface of the conductive column 1 can be protected, a certain heat insulation effect can be achieved, the loss of the electrode can be further reduced, and the conductive column 1 can be protected by the insulating shell. After the copper column is inserted into the cavity, contact with other components is avoided to prevent short circuit.

[0037] Further, as a specific embodiment, the conductive column 1 and the insulating shell are connected in the following manner: a stepped shaft 10 is coaxially arranged on the end of the conductive column 1, the insulating baffle 6 is sleeved on the outside of the stepped shaft 10, one end of the insulating sleeve 5 abuts against the edge plate 14, and the other end abuts against the rounded baffle, and a limiting surface 71 is detachably arranged on the stepped shaft 10 away from the first end, and the limiting surface 71 faces the insulating baffle 6.

[0038] Further, the stepped shaft 10 is threadedly connected with a nut 7, and the limiting surface 71 is an end surface of the nut 7. Specifically, the nut 7 is made of high-temperature molybdenum, which can withstand high temperature. The nut 7 limits the insulating baffle, thereby limiting the insulating shell through the insulating baffle.

[0039] Obviously, the above embodiments are only examples for clearly illustrating the present application and are not intended to limit the present application. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments are not required to be enumerated. The changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A high current high temperature heating vacuum water-cooled electrode characterized by, The utility model relates to a water-cooled electrically conductive column, comprising: a conductive column (1), the end face of the first end is provided with a cooling cavity (13), the cooling cavity (13) is arranged along the axial extension; a connecting flange (4) is coaxially arranged in the middle region of the conductive column (1); a water-cooled assembly is arranged at the first end of the conductive column (1) and comprises a first pipe (22) and a second pipe (23) extending into the cooling cavity (13), one end of the first pipe (22) extends into the cooling cavity (13) away from the first end, the other end of the first pipe (22) extends out of the conductive column (1); the second pipe (23) is in communication with the end of the cooling cavity (13) close to the first end.

2. A high-current high-temperature heating vacuum water-cooled electrode according to claim 1, characterized in that, The first end of the conductive column (1) is coaxially provided with a flange plate (12), the water-cooled assembly further comprises a body (21) detachably connected with the flange plate (12), the body (21) is in sealing cooperation with the flange plate (12), and the first pipe (22) and the second pipe (23) are arranged on the body (21).

3. A high current high temperature heating vacuum water-cooled electrode according to claim 2, characterized in that, One side of the body (21) close to the flange plate (12) is provided with a groove in communication with the cooling cavity (13), one end of the second pipe (23) is in communication with the groove, and the other end extends out of the body (21).

4. A high current high temperature heating vacuum water-cooled electrode according to claim 1, characterized in that, The connecting flange (4) is detachably fixedly connected with the conductive column (1).

5. A high current high temperature heating vacuum water cooled electrode according to claim 4, wherein, The middle region of the conductive column (1) is provided with a rim plate (14); the connecting flange (4) is arranged on the side of the rim plate (14) away from the first end and on the side of the rim plate (14) close to the first end, a compression ring is abuttingly arranged on the rim plate (14), and the compression ring is detachably fixedly connected with the connecting flange (4).

6. A high current high temperature heating vacuum water cooled electrode according to claim 5, wherein, One side of the rim plate (14) close to the connecting flange (4) is in sealing cooperation with the connecting flange (4).

7. A high current high temperature heating vacuum water cooled electrode according to claim 6, characterized in that, One side of the connecting flange (4) away from the first end is provided with an insulating pad (3), one side of the insulating pad (3) close to the connecting flange (4) is in sealing cooperation with the connecting flange (4).

8. A high current high temperature heating vacuum water-cooled electrode according to claim 1, characterized in that, An insulating sleeve (5) is arranged on the side of the conductive column (1) away from the first end.

9. A high current high temperature heating vacuum water cooled electrode according to claim 8, characterized in that, A stepped shaft (10) is coaxially and reducedly arranged at the end of the conductive column (1), an insulating baffle (6) is arranged outside the stepped shaft (10), one end of the insulating sleeve (5) is abuttingly arranged with the rim plate (14), the other end is abuttingly arranged with a rounded baffle; a limiting surface (71) is detachably arranged on the stepped shaft (10) on the side of the insulating baffle (6) away from the first end, and the limiting surface (71) faces the insulating baffle (6).

10. A high current high temperature heating vacuum water cooled electrode according to claim 9, wherein, A nut (7) is threadedly connected with the stepped shaft (10), and the limiting surface (71) is the end face of the nut (7).

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