CN219301325U

CN219301325U - Electrode mounting structure for vacuum sintering furnace and vacuum sintering furnace

Info

Publication number: CN219301325U
Application number: CN202222833750.XU
Authority: CN
Inventors: 王琨; 王晨曦
Original assignee: Ningxia Xinzhongao Intelligent Equipment Co ltd
Current assignee: Ningxia Xinzhongao Intelligent Equipment Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-07-04
Anticipated expiration: 2032-10-26

Abstract

The application relates to an electrode mounting structure and vacuum sintering stove for vacuum sintering stove, insulating cooling jacket runs through and sets up in a stove section of thick bamboo, and has accommodation space that holds cooling water, insulating cooling jacket is located the first end in a stove section of thick bamboo outside and has been seted up first seal groove, the electrode has annular protrusion, the second seal groove has been seted up to annular protrusion, the connecting piece can dismantle with first end and link to each other, and form installation space, the electrode wears to locate the perforation, annular protrusion presss from both sides in installation space, elastic sealing ring presss from both sides the compression in first seal groove and second seal groove. On the basis of guaranteeing the tightness of the vacuum sintering furnace and the insulativity between the electrode and the furnace cylinder, the electrode is cooled by the insulating cooling jacket, the cooling slot hole is prevented from being formed in the electrode for cooling, and in the installation process, the installation of the electrode and the elastic sealing ring is completed through the installation space formed by the connecting piece and the first end, so that the electrode is convenient to install, assemble and disassemble and maintain.

Description

Electrode mounting structure for vacuum sintering furnace and vacuum sintering furnace

Technical Field

The application relates to the technical field of vacuum sintering furnaces, in particular to an electrode mounting structure for a vacuum sintering furnace and the vacuum sintering furnace.

Background

The vacuum sintering furnace is a sintering furnace for performing protective sintering of heated material in a vacuum environment. When sintering, the vacuum degree in the vacuum sintering furnace has strict requirements, the inside of the vacuum sintering furnace needs to be kept at a certain vacuum degree, all accessories need to ensure the tightness, the tightness of the vacuum sintering furnace is an important factor influencing the tightness, meanwhile, all internal heating parts, heat insulating parts and the like are graphite materials, air needs to be absolutely isolated in a high-temperature state, the oxidation of the graphite parts is prevented, and the tightness of the vacuum sintering furnace needs to be ensured. But the vacuum sintering furnace adopts the mode of internal heating, and the power need be introduced from the outside, sets up the through-hole on the stove section of thick bamboo, and the electrode that passes stove section of thick bamboo setting both needs to guarantee insulativity with stove section of thick bamboo, still needs to guarantee the leakproofness, and then guarantees the security that equipment used, simultaneously, still need cool off the electrode in the sintering process, and the coolant liquid of using is water, appears leaking the phenomenon because of sealed effect is not good in the use, can influence the safe handling of equipment.

In the prior art, as disclosed in the chinese patent of patent No. 201922422577.8, in an electrode spacing insulation type ultra-high temperature vacuum sintering furnace, an insulation part is clamped between a sealing section of an electrode and a furnace cylinder, and the insulation part can solve the problems of sealing and insulation, but the electrode is inconvenient to assemble, disassemble and maintain, and particularly, a flexible insulation ring needs to be tightly matched between the electrode and the furnace cylinder, so that the flexible insulation ring is inconvenient to install and is hard to install, and meanwhile, a cooling long hole is formed in the electrode for cooling, so that the cross section area of the electrode is reduced, the resistance is increased, and the electrode is heated seriously.

Disclosure of Invention

Based on this, it is necessary to solve the problems that the electrode of the vacuum sintering furnace in the prior art is inconvenient in the processes of installation, disassembly and maintenance, and the like, the installation is laborious, and the cross-sectional area of the electrode is reduced and the resistance is increased by forming a cooling slot hole in the electrode for cooling, so that the electrode generates heat more seriously. The application provides an electrode mounting structure and vacuum sintering stove for vacuum sintering stove can enough guarantee the leakproofness of vacuum sintering stove, can also guarantee to pass the insulating property between electrode and the stove section of thick bamboo that the stove section of thick bamboo set up, simultaneously, cool off the electrode through insulating cooling jacket, realize the cooling of electrode, avoid offer the cooling slot hole in the electrode inside and cool off the cross-sectional area that leads to the electrode and diminish, the resistance grow, thereby avoid the electrode to generate heat more seriously, in the installation, through the installation space that connecting piece and first end formed, accomplish the installation of electrode and elastic seal circle, there is not tight fit's flexible insulating ring between electrode and the stove section of thick bamboo, so that the installation of electrode is convenient, easy dismounting and maintenance, dislocation, kink, wearing and tearing condition can not appear in the elastic seal circle after the installation, and the installation accuracy is high, guarantee the leakproofness.

The utility model provides an electrode mounting structure for vacuum sintering stove, includes stove section of thick bamboo, insulating cooling jacket, elastic sealing circle, connecting piece and electrode, insulating cooling jacket run through set up in stove section of thick bamboo, and fixed seal sets up, insulating cooling jacket's middle part is formed with the perforation, and has accommodation space that holds cooling water, insulating cooling jacket offer with water inlet and the delivery port of accommodation space intercommunication, insulating cooling jacket is located the first seal groove has been offered to the first end in stove section of thick bamboo outside, the electrode has annular bulge, the second seal groove has been offered to annular bulge, the connecting piece with the first end can dismantle and link to each other, and form installation space, the electrode wears to locate the perforation, annular bulge press from both sides in installation space, just first seal groove with the second seal groove sets up relatively, elastic sealing circle press from both sides the compression in the first seal groove with in the second seal groove.

Preferably, in the above electrode mounting structure for a vacuum sintering furnace, in an axial direction of the electrode, a thickness of the mounting space is greater than a thickness of the annular protrusion, a difference between the two is a first value, and a thickness of the elastic sealing ring is greater than a sum of a depth of the first sealing groove, a depth of the second sealing groove and the first value.

Preferably, in the electrode mounting structure for a vacuum sintering furnace, the electrode mounting structure further comprises an elastic gasket, wherein the elastic gasket is located between the connecting piece and the first end, and the connecting piece, the elastic gasket and the first end jointly form the mounting space.

Preferably, in the above electrode mounting structure for a vacuum sintering furnace, the connecting member is detachably connected to the first end by a bolt.

Preferably, in the above-mentioned electrode mounting structure for vacuum sintering furnace, the insulating cooling jacket includes insulating inner tube, outer tube, first insulating plug and second insulating plug, insulating inner tube is located in the outer tube, and form between the two accommodation space, the outer tube is equipped with the water inlet with the delivery port, insulating inner tube forms the perforation, first insulating plug with second insulating plug respectively sealing connection in the both ends of insulating inner tube and outer tube, just the second insulating plug is first end, the second insulating plug has been seted up first seal groove.

Preferably, in the above electrode mounting structure for a vacuum sintering furnace, the outer tube is a metal tube, and the outer tube is welded to the furnace tube.

Preferably, in the above electrode mounting structure for a vacuum sintering furnace, the first insulating plug and the second insulating plug are respectively screwed and connected to two ends of the insulating inner tube and the insulating outer tube in a sealing manner.

Preferably, in the above electrode mounting structure for a vacuum sintering furnace, a thermal grease is filled between the electrode and the through hole.

A vacuum sintering furnace includes an electrode mounting structure for a vacuum sintering furnace as described above.

The technical scheme that this application adopted can reach following beneficial effect:

in this application embodiment discloses electrode mounting structure and vacuum sintering stove for stove, insulating cooling jacket and stove section of thick bamboo seal arrangement, electrode and insulating cooling jacket pass through the sealed setting of elastic sealing washer to can guarantee the leakproofness of vacuum sintering stove, and the electrode sets up in insulating cooling jacket, insulating cooling jacket sets up in stove section of thick bamboo, because insulating cooling jacket is the insulating part, therefore the electrode is insulating mutually with stove section of thick bamboo, thereby guarantees the insulating nature between electrode and the stove section of thick bamboo that passes stove section of thick bamboo setting, and then guarantees the security that equipment used. Simultaneously, insulating cooling jacket has the accommodation space that holds cooling water, and the perforation is worn to locate by the electrode to make the electrode at the in-process of work, and the heat on the electrode can transmit to insulating cooling jacket, then cools off through cooling water, realizes the cooling of electrode, avoids seting up cooling slot hole in the electrode inside and cools off the cross-sectional area that leads to the electrode and diminish, and the resistance is grow, thereby avoids the electrode to generate heat more seriously. On realizing insulating, sealed, refrigerated basis, only need install the connecting piece in first end, in the installation, through the installation space that connecting piece and first end formed, accomplish the installation of electrode and elastic sealing circle, there is not tight fit's flexible insulating ring between electrode and the stove section of thick bamboo to make the installation of electrode convenient, easy dismounting maintains, and the elastic sealing circle can not appear dislocation, kink, the circumstances of wearing and tearing after the installation, and the installation accuracy is high, guarantees the leakproofness.

Drawings

FIG. 1 is a schematic view of an electrode mounting structure for a vacuum sintering furnace according to an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of an electrode mounting structure for a vacuum sintering furnace according to an embodiment of the present disclosure;

fig. 3 is a schematic cross-sectional view of a part of the structure of an electrode mounting structure for a vacuum sintering furnace according to an embodiment of the present application.

Wherein: the furnace tube 100, the insulating cooling jacket 200, the perforated holes 210, the accommodation space 220, the water inlet 230, the water outlet 240, the first sealing groove 250, the insulating inner tube 260, the outer tube 270, the first insulating plug 280, the second insulating plug 290, the elastic sealing ring 300, the connecting piece 400, the electrode 500, the annular protrusion 510, the second sealing groove 520, the installation space 600, the elastic gasket 700, and the bolt 800.

Detailed Description

In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Preferred embodiments of the present application are shown in the accompanying drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "top," "bottom," "top," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, an embodiment of the present application discloses an electrode mounting structure for a vacuum sintering furnace, which includes a furnace barrel 100, an insulating cooling jacket 200, an elastic sealing ring 300, a connecting piece 400 and an electrode 500, wherein:

the furnace vessel 100 is a furnace shell of a vacuum sintering furnace, and is generally of a two-layer structure, and a cooling jacket is arranged in the middle. The insulating cooling jacket 200 is fixedly and hermetically disposed through the furnace tube 100, specifically, a through hole for installing the electrode 500 is formed in the furnace tube 100, one end of the insulating cooling jacket 200 passes through the through hole, and the outer wall of the insulating cooling jacket 200 is fixedly and hermetically connected with the inner wall of the through hole, which may be welded, which is not limited in this application, so that the insulating cooling jacket 200 is sealed with the furnace tube 100. The insulating cooling jacket 200 is formed with a through hole 210 through which the electrode 500 is inserted in the middle thereof, and the insulating cooling jacket 200 has an accommodating space 220 accommodating cooling water, the insulating cooling jacket 200 is provided with a water inlet 230 and a water outlet 240 communicating with the accommodating space 220, and in the case of operation of the electrode 500, the electrode 500 is cooled by the cooling water in the accommodating space 220, thereby achieving cooling of the electrode 500.

The first end of the insulating cooling jacket 200 located outside the furnace tube 100 is provided with a first sealing groove 250, the electrode 500 is provided with an annular protrusion 510, the annular protrusion 510 is provided with a second sealing groove 520, the connecting piece 400 is detachably connected with the first end, and the connecting piece 400 is connected with the first end

The installation space 600 is formed, the electrode 500 is penetrated through the through hole 210, and the outer side surface of the electrode 500 is contacted with the inner wall of the through hole 210, so that heat on the electrode 500 can be transferred to the insulating cooling jacket 200 in the working process of the electrode 500, and then the electrode 500 is cooled by cooling water, thereby realizing the cooling of the electrode 500. The annular bulge 510 is clamped in the installation space 600, the annular bulge 510 is clamped in the installation space 600 to realize the installation of the electrode 500, the first sealing groove 250 and the second sealing groove 520 are oppositely arranged, the elastic sealing ring 300 is clamped and compressed in the first sealing groove 250 and the second sealing groove 520, the annular bulge 510 is clamped in the installation space 600 to enable the annular bulge 510 to be close to the first end, and the elastic sealing ring 300 between the first sealing groove 250 and the second sealing groove 520 is gradually compressed in the process that the annular bulge 510 is close to the first end, so that the elastic sealing ring 300 is clamped and compressed in the first sealing groove 250 and the second sealing groove 520 to realize sealing. Meanwhile, since the insulating cooling jacket 200 is an insulating member, the electrode 500 is insulated from the furnace vessel 100.

In a specific installation process, since the insulating cooling jacket 200 fixes the furnace vessel 100, an installation step of the insulating cooling jacket 200 and the furnace vessel 100 is omitted, and only the electrode 500 is required to be installed, and an installation process of the electrode 500 is as follows: firstly, the elastic sealing ring 300 is placed in the first sealing groove 250, then the electrode 500 is inserted into the through hole 210, at this time, the second sealing groove 520 can be opposite to the first sealing groove 250, then the connecting piece 400 is connected with the first end, in the process that the connecting piece 400 is connected with the first end, the connecting piece 400 gradually approaches the first end until being connected, in the process that the annular protrusion 510 gradually approaches the first end, the second sealing groove 520 gradually compresses the elastic sealing ring 300, so that the elastic sealing ring 300 is clamped and compressed in the first sealing groove 250 and the second sealing groove 520, and sealing is achieved. It can be seen that the mounting of the electrode 500 can be accomplished only by the connector 400. The installation process is simple and convenient, the tight fit insulating part is not required to be arranged between the electrode 500 and the furnace cylinder 100, particularly, the tight fit flexible insulating ring is not required between the electrode 500 and the furnace cylinder 100, only parts (the elastic sealing ring 300 and the electrode 500) are required to be placed at the positions, then the installation of the electrode 500 and the elastic sealing ring 300 is realized through the installation connecting piece 400, so that the installation of the electrode 500 is convenient, the disassembly and the maintenance are convenient, and meanwhile, compared with the tight fit insulating part between the electrode 500 and the furnace cylinder 100 in the prior art, during the installation, the tight fit insulating part is required to be tightly matched with the electrode 500 and the furnace cylinder 100, and therefore, the insulating part is not easy to be installed between the electrode 500 and the furnace cylinder 100 in the process of penetrating the electrode 500 through the furnace cylinder 100 due to the friction force generated by the tight fit, kinking and wearing, so that the sealing effect is poor, in the application, the problems are not existed, and the elastic sealing ring 300 is compressed in the first sealing groove 250 and the second sealing groove 520, and the elastic sealing ring 300 has the effect on the elastic sealing ring 300, so that the accurate installation performance of the elastic sealing ring 300 is ensured. And (5) disassembling the steel plate, and otherwise, disassembling the steel plate.

In the electrode mounting structure for the vacuum sintering furnace disclosed by the embodiment of the application, the insulating cooling jacket 200 is arranged in a sealing manner with the furnace barrel 100, the electrode 500 and the insulating cooling jacket 200 are arranged in a sealing manner through the elastic sealing ring 300, so that the sealing performance of the vacuum sintering furnace can be ensured, the electrode 500 is arranged on the insulating cooling jacket 200, the insulating cooling jacket 200 is arranged on the furnace barrel 100, and the insulating cooling jacket 200 is an insulating piece, so that the electrode 500 is insulated from the furnace barrel 100, the insulativity between the electrode 500 and the furnace barrel 100, which are arranged through the furnace barrel 100, is ensured, and the use safety of equipment is further ensured. Meanwhile, the insulating cooling jacket 200 is provided with the containing space 220 for containing cooling water, the electrode 500 is arranged through the through hole 210 in a penetrating mode, so that heat on the electrode 500 can be transferred to the insulating cooling jacket 200 in the working process of the electrode 500, then the insulating cooling jacket is cooled through the cooling water, cooling of the electrode 500 is achieved, the phenomenon that the cross-sectional area of the electrode 500 is reduced and the resistance is increased due to the fact that cooling long holes are formed in the electrode 500 for cooling is avoided, and accordingly the electrode 500 is prevented from heating seriously. On the basis of realizing insulation, sealing and cooling, only the connecting piece 400 is required to be installed at the first end, in the installation process, the installation of the electrode 500 and the elastic sealing ring 300 is completed through the installation space 600 formed by the connecting piece 400 and the first end, and a tight-fit flexible insulating ring is not arranged between the electrode 500 and the furnace cylinder 100, so that the electrode 500 is convenient to install, convenient to assemble, disassemble and maintain, and the elastic sealing ring 300 cannot be dislocated, kinked and worn after being installed, and is high in installation accuracy and ensures tightness.

Preferably, in the axial direction of the electrode 500, the thickness of the installation space 600 is greater than the thickness of the annular protrusion 510 by a first value, and the thickness of the elastic sealing ring 300 is greater than the sum of the depth of the first sealing groove 250, the depth of the second sealing groove 520 and the first value. Alternatively, in the axial direction of the electrode 500, the thickness of the installation space 600 is equal to the thickness of the annular protrusion 510, and the thickness of the elastic sealing ring 300 is greater than the sum of the depths of the first sealing groove 250 and the second sealing groove 520. This kind of setting means can be so that insert annular protruding 510 through installation space 600 to make annular protruding 510 be close to first end, be close to the in-process of first end at annular protruding 510, be located the elastic sealing circle 300 between first seal groove 250 and the second seal groove 520 and compress gradually, thereby insert the compression in first seal groove 250 and second seal groove 520, realize sealedly, and sealed effectual.

Further, an electrode mounting structure for a vacuum sintering furnace disclosed herein may further include an elastic washer 700, the elastic washer 700 being located between the connection member 400 and the first end, the connection member 400, the elastic washer 700 and the first end together forming the mounting space 600. The thickness of the installation space 600 can be adjusted through the elastic gasket 700, under the condition that the thickness of the installation space 600 is larger than the thickness of the annular protrusion 510, in the installation process of the connecting piece 400, the connection tightness between the connecting piece 400 and the first end is adjusted, so that the compression degree of the elastic gasket 700 is different, the thickness of the installation space 600 is different, the distance between the annular protrusion 510 and the first end is adjusted, the compression degree of the elastic sealing ring 300 can be adjusted, and the tightness is adjusted by adjusting the compression degree of the elastic sealing ring 300.

As described above, the connection tightness of the connecting piece 400 and the first end is adjusted, specifically, the connecting piece 400 is detachably connected to the first end through the bolt 800, and the connection tightness of the connecting piece 400 and the first end is adjusted through the screwing degree of the bolt 800, so that the method is simple and reliable and convenient to set. Specifically, the connecting piece 400 is provided with a through hole, the first end is provided with a threaded hole, one end of the bolt 800 passes through the hole to be in threaded fit with the threaded hole, and the connection tightness of the connecting piece 400 and the first end can be adjusted by screwing the bolt 800.

In the present application, the insulating cooling jacket 200 can not only insulate the electrode 500 from the furnace vessel 100, but also cool the electrode 500. Specifically, the insulating cooling jacket 200 includes an insulating inner tube 260, an outer tube 270, a first insulating plug 280 and a second insulating plug 290, the insulating inner tube 260 is located in the outer tube 270, and an accommodating space 220 is formed between the insulating inner tube and the outer tube, the outer tube 270 is provided with a water inlet 230 and a water outlet 240, the insulating inner tube 260 forms a perforation 210, the first insulating plug 280 and the second insulating plug 290 are respectively connected to two ends of the insulating inner tube 260 and the outer tube 270 in a sealing manner, the second insulating plug 290 is a first end, and the second insulating plug 290 is provided with a first sealing groove 250. In the insulating cooling jacket 200 having such a structure, the insulating inner tube 260, the first insulating plug 280 and the second insulating plug 290, which are in contact with the electrode 500, are all insulating members, so that the electrode 500 and the furnace 100 can be arranged in an insulating manner, and at the same time, the accommodating space 220 can be formed to water-cool the electrode 500.

As described above, the through hole for installing the electrode 500 is formed in the furnace tube 100, one end of the insulating cooling jacket 200 passes through the through hole, and the outer wall of the insulating cooling jacket 200 is fixedly connected with the inner wall of the through hole in a sealing manner, and since the furnace tube 100 is generally made of metal, specifically, the outer tube 270 is made of metal, and the outer tube 270 is welded to the furnace tube 100, the furnace tube 100 made of metal and the outer tube 270 can be connected by welding, and the sealing performance after welding is good.

Further, the first insulating plug 280 and the second insulating plug 290 are respectively connected to two ends of the insulating inner tube 260 and the insulating outer tube 270 in a threaded sealing manner, so that the insulating cooling jacket 200 is an assembly, and can be disassembled, thereby facilitating cleaning and maintenance of the accommodating space 220.

For ease of installation, the electrode 500 and the perforation 210 are not provided as a tight fit, which results in gaps between the electrode 500 and the perforation 210 that greatly impede heat transfer, resulting in a deterioration of the cooling effect of the insulating cooling jacket 200 on the electrode 500, based on which, in an alternative embodiment, the electrode 500 is filled with a thermal grease between the perforation 210 and the electrode 500, after the electrode 500 is installed, the thermal grease is filled between the electrode 500 and the perforation 210, avoiding gaps, so that more heat generated by the electrode 500 can be transferred to the insulating cooling jacket 200 more quickly and thereby enabling the insulating cooling jacket 200 to cool the electrode 500 better.

The embodiment of the application also discloses a vacuum sintering furnace, which comprises the electrode mounting structure for the vacuum sintering furnace.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims

1. The utility model provides an electrode mounting structure for vacuum sintering furnace, its characterized in that includes stove section of thick bamboo (100), insulating cooling jacket (200), elastic sealing washer (300), connecting piece (400) and electrode (500), insulating cooling jacket (200) run through set up in stove section of thick bamboo (100), and fixed seal sets up, the middle part of insulating cooling jacket (200) is formed with perforation (210), and has accommodation space (220) that holds cooling water, insulating cooling jacket (200) seted up with water inlet (230) and delivery port (240) of accommodation space (220) intercommunication, first seal groove (250) have been seted up to first end that insulating cooling jacket (200) are located the stove section of thick bamboo (100) outside, electrode (500) have annular protrusion (510), second seal groove (520) have been seted up to annular protrusion (510), connecting piece (400) with first end detachably links to each other, and forms installation space (600), electrode (500) wear to locate perforation (210), annular protrusion (510) clamp in installation space (600), and first seal groove (250) are located, the elastic sealing ring (300) is clamped and compressed in the first sealing groove (250) and the second sealing groove (520).

2. The electrode mounting structure for a vacuum sintering furnace according to claim 1, wherein the thickness of the mounting space (600) is larger than the thickness of the annular protrusion (510) by a first value in the axial direction of the electrode (500), and the thickness of the elastic seal ring (300) is larger than the sum of the depth of the first seal groove (250), the depth of the second seal groove (520) and the first value.

3. The electrode mounting structure for a vacuum sintering furnace according to claim 2, further comprising an elastic washer (700), the elastic washer (700) being located between the connecting member (400) and the first end, the connecting member (400), the elastic washer (700) and the first end together forming the mounting space (600).

4. A mounting structure of an electrode for a vacuum sintering furnace according to claim 3, wherein the connecting member (400) is detachably connected to the first end by a bolt (800).

5. The electrode mounting structure for a vacuum sintering furnace according to claim 1, wherein the insulating cooling jacket (200) comprises an insulating inner tube (260), an outer tube (270), a first insulating plug (280) and a second insulating plug (290), the insulating inner tube (260) is located in the outer tube (270) with the accommodating space (220) formed therebetween, the outer tube (270) is provided with the water inlet (230) and the water outlet (240), the insulating inner tube (260) forms the through hole (210), the first insulating plug (280) and the second insulating plug (290) are respectively connected to two ends of the insulating inner tube (260) and the outer tube (270) in a sealing manner, the second insulating plug (290) is the first end, and the second insulating plug (290) is provided with the first sealing groove (250).

6. The electrode mounting structure for a vacuum sintering furnace according to claim 5, wherein the outer tube (270) is a metal tube, and the outer tube (270) is welded to the furnace vessel (100).

7. The electrode mounting structure for a vacuum sintering furnace according to claim 5, wherein the first insulating plug (280) and the second insulating plug (290) are respectively screwed and sealed to both ends of the insulating inner tube (260) and the insulating outer tube (270).

8. The electrode mounting structure for a vacuum sintering furnace according to claim 1, wherein a thermal grease is filled between the electrode (500) and the through hole (210).

9. A vacuum sintering furnace comprising an electrode mounting structure for a vacuum sintering furnace according to any one of claims 1 to 8.