High-temperature vacuum hot-pressing sintering furnace

Abstract

The utility model relates to the technical field of advanced manufacturing and automation, and discloses a high-temperature vacuum hot-pressing sintering furnace which comprises a vacuum system and a furnace shell. The heating chamber is arranged in the furnace shell; the air cooling heat exchange system is arranged on one side of the furnace shell; the thermocouple assembly is mounted on the outer wall of the furnace shell; a first vacuum baffle valve is arranged on the outer wall of the furnace shell, and an electric contact pressure gauge and a first O-shaped sealing ring are installed on the upper surface of the first vacuum baffle valve. The inner hexagon screw clamp is loosened to loosen the ring and the connecting plate, then the clamping ring can be rotated, the clamping ring rotates on the outer wall of the furnace shell, the clamping ring releases the second flange, then the handle can be held, the furnace door can be opened, an object needing to be machined is placed into the furnace shell, the handle is held to close the furnace door, and the clamping ring is rotated to clamp the second flange. And after air in the furnace shell is pumped out, the heating chamber is started to machine the workpiece, and the effect of preventing the furnace door from loosening during use is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of advanced manufacturing and automation, in particular to a high-temperature vacuum hot-pressing sintering furnace. Background Art

[0002] A vacuum sintering furnace is a furnace that performs protective sintering on heated items in a vacuum environment. It uses a variety of heating methods, such as resistance heating, induction heating, and microwave heating. Vacuum sintering furnaces utilize induction heating to perform protective sintering on heated items. They can be categorized as power frequency, medium frequency, and high frequency types, and are considered subcategories of vacuum sintering furnaces.

[0003] When the existing vacuum sintering furnace is in use, the air in the furnace needs to be extracted. At this time, the furnace door needs to be closed tightly to prevent the situation where air is extracted and taken in at the same time. However, after long-term use, the furnace door will not be closed tightly. Utility Model Content

[0004] The purpose of the utility model is to provide a high-temperature vacuum hot pressing sintering furnace to solve the above problems.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a high-temperature vacuum hot-pressing sintering furnace, characterized in that it includes a vacuum system and a furnace shell;

[0006] a heating chamber disposed inside the furnace shell;

[0007] An air-cooling heat exchange system is provided on one side of the furnace shell;

[0008] A thermocouple assembly is installed on the outer wall of the furnace shell; a vacuum baffle valve is provided on the outer wall of the furnace shell;

[0009] An electric contact pressure gauge and an O-ring are respectively installed on the upper surface of the vacuum baffle valve. A regulating tube assembly is provided on the outer wall of the vacuum baffle valve. A cold trap is installed on the bottom of the vacuum baffle valve. A pipe is provided on the outer wall of the vacuum baffle valve. An O-ring is provided on the inner wall of the pipe. A bolt is provided on the outer wall of the pipe. One end of the bolt is threadedly connected with a nut. A vacuum baffle valve is provided on the other end of the pipe. A pneumatic system is installed on the upper surface of the vacuum baffle valve. A liquid bolt is provided on the bottom of the vacuum baffle valve. A pipe is provided on the bottom of the vacuum baffle valve. A roots vacuum pump is installed on the bottom of the pipe. A pump stand is provided on the bottom of the roots vacuum pump. A connection is provided on the outer wall of the roots vacuum pump. Tube four, the outer wall of the tube four is provided with bolt four, the outer wall of the tube four is threadedly connected with nut two, the other end of the tube four is provided with a bellows one, the other end of the bellows one is provided with a tube three, the outer wall of the tube three is provided with an "O" type sealing ring three, the outer wall of the tube three is provided with a bolt three, the other end of the tube three is installed with an electromagnetic high vacuum belt inflation valve, the bottom of the electromagnetic high vacuum belt inflation valve is installed with a rotary vane vacuum pump, the outer wall of the tube two is provided with a bellows two, the inner wall of the bellows two is provided with an "O" type sealing ring four, the other end of the bellows two is installed with a vacuum plate valve, the outer wall of the vacuum plate valve is provided with a diffusion pump, the inner wall of the diffusion pump is provided with an "O" type sealing ring five, the outer wall of the diffusion pump The wall is provided with bolts, the outer wall of the Roots vacuum pump is provided with expansion bolts, the outer wall of the vacuum baffle valve is provided with a transition flange, the outer wall of the transition flange is provided with a hexagonal head bolt, the outer wall of the transition flange is installed with a clamped butterfly valve, the outer wall of the transition flange is provided with a thread pair, one end of the furnace shell is provided with a flange, the outer wall of the furnace shell is installed with an explosion-proof valve interface, the outer wall of the furnace shell is provided with an inner cylinder, the outer wall of the inner cylinder is provided with an outer cylinder, the inner wall of the outer cylinder is provided with an inner head one, the outer wall of the inner head one is provided with an outer head one, the other end of the furnace shell is provided with a rear flange, the outer wall of the rear flange is provided with a heat exchanger interface, the outer wall of the furnace shell is provided with an electrode interface, the outer wall of the furnace shell is provided with a thermal coupling interface, and the outer wall of the furnace shell is provided with It is equipped with a pressure gauge interface, a nine-point temperature measuring interface is installed on the outer wall of the furnace shell, a furnace leg reinforcement plate is installed on the outer wall of the furnace shell, a furnace leg is provided at the bottom of the furnace leg reinforcement plate, a water nozzle is provided on the outer wall of the furnace shell, an inflation interface is provided on the outer wall of the furnace shell, a vacuum interface is provided on the outer wall of the furnace shell, a crystal ring reinforcement plate is provided on the outer wall of the furnace shell, a degassing interface is provided on the outer wall of the furnace shell, a degassing interface is provided on the other end of the furnace shell, a furnace door is provided on the furnace shell, an outer head 2 is provided at one end of the furnace shell, a water nozzle 2 is provided on the outer wall of the outer head 2, a hanging ring is provided on the outer wall of the outer head 2, an inner head 2 is provided on the inner wall of the outer head 2, a handle is provided on the outer wall of the outer head 2, a clamp is provided on the outer wall of the furnace shell, and an inner hexagonal screw is provided on the inner wall of the clamp.The inner wall of the clamping ring is provided with a connecting plate.

[0010] Preferably, an electrode assembly is installed on the outer wall of the furnace shell, a charging and discharging system is installed on the outer wall of the furnace shell, a gas storage tank is provided at the other end of the charging and discharging system, a return water tank is provided on one side of the furnace shell, an electric control cabinet and a controllable power supply are provided on the other side of the furnace shell, a motor wiring device is installed on the outer wall of the furnace shell, a water cooling system is provided on one side of the furnace shell, a uniform temperature zone thermocouple is installed on the outer wall of the furnace shell, and the vacuum baffle valve is connected to the furnace shell.

[0011] The utility model provides a high-temperature vacuum hot-pressing sintering furnace. It has the following beneficial effects:

[0012] (1) The utility model loosens the hexagon socket screw clamp to loosen the ring and the connecting plate. Then the clamp can be rotated and rotated on the outer wall of the furnace shell, so that the clamp releases the flange 2. Then the handle can be held to open the furnace door, and the object to be processed can be placed into the furnace shell. The handle is held to close the furnace door, and the clamp is rotated to clamp the flange 2. After the air in the furnace shell is exhausted, the heating chamber is started and the workpiece is processed, thereby achieving the effect of preventing the furnace door from loosening during use.

[0013] (2) The utility model starts the Roots vacuum pump and the diffusion pump by opening the butterfly valve and the vacuum baffle valve 2, and then opening the vacuum baffle valve 1. The Roots vacuum pump is connected to the pipe 1 through the pipe 2, so that the air in the furnace shell is extracted. Then the electromagnetic high vacuum belt charging valve and the rotary vane vacuum pump are started to suck the air from the pipe 4 into the corrugated pipe 1, and then discharged, thereby achieving the effect of quickly removing the air inside the furnace shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is the main view of the utility model;

[0015] Figure 2 This is a cross-sectional view of the utility model;

[0016] Figure 3 This is a top view of the utility model;

[0017] Figure 4 This is a view of the vacuum system of the utility model;

[0018] Figure 5 This is a top view of the vacuum system of the utility model;

[0019] Figure 6 This is a side view of the body guard of the utility model;

[0020] Figure 7 This is a cross-sectional view of the body guard of the utility model;

[0021] Figure 8 This is a top view of the guard of the utility model;

[0022] Figure 9 This is a view of the door guard of the present utility model;

[0023] Figure 10 This is a cross-sectional view of the clamp ring of the present utility model.

[0024] In the figure: 1 vacuum system, 2 furnace shell, 3 heating chamber, 4 air cooling heat exchange system, 5 pneumatic system, 6 thermocouple assembly, 7 electrode assembly, 8 charging and discharging system, 9 motor wiring device, 10 water cooling system, 11 temperature zone thermocouple, 12 vacuum baffle valve 1, 13 electric contact pressure gauge, 14 "O" type sealing ring 1, 15 gauge assembly, 16 cold trap, 17 pipe 1, 18 "O" type sealing ring 2, 19 bolt 1, 20 nut 1, 21 vacuum baffle valve 2, 22 bolt 2, 23 pipe 2, 24 bellows 1, 25 pipe 3, 26 "O" type sealing ring 3, 27 bolt 3, 28 electromagnetic high vacuum belt charging valve, 29 rotary vane vacuum pump, 30 nut 2, 31 pipe 4, 32 bolt 4, 33 Roots vacuum pump, 34 pump stand, 35 bellows 2, 36 "O" : Type sealing ring four, 37 vacuum plate valve, 38 diffusion pump, 39 "O" type sealing ring five, 40 bolts, 41 expansion bolts, 42 transition flange, 43 hexagonal head bolts, 44 thread pair, 45 clamp butterfly valve, 46 flange one, 47 crystal ring, 48 explosion-proof valve interface, 49 inner tube, 50 outer tube, 51 inner head one, 52 outer head one, 53 rear flange, 54 heat exchanger interface, 55 electrode interface, 56 thermocouple interface, 57 pressure gauge interface, 58 nine-point temperature measurement interface, 59 furnace leg, 60 furnace leg reinforcement plate, 61 faucet one, 62 charging interface, 63 vacuum interface, 64 crystal ring reinforcement plate, 65 venting interface, 66 flange two, 67 lifting ring, 68 faucet two, 69 outer head two, 70 inner head two, 71 handle, 72 clamping ring, 73 hexagon socket screw, 74 connecting plate. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0027] Example 1

[0028] The preferred embodiment of the high temperature vacuum hot pressing sintering furnace provided by the present invention is as follows: Figure 1-10As shown: a high-temperature vacuum hot pressing sintering furnace, including a vacuum system 1 and a furnace shell 2; a heating chamber 3 arranged inside the furnace shell 2; an air-cooling heat exchange system 4 arranged on one side of the furnace shell 2; a thermocouple assembly 6 installed on the outer wall of the furnace shell 2; an electrode assembly 7 is installed on the outer wall of the furnace shell 2, a charging and discharging system 8 is installed on the outer wall of the furnace shell 2, a gas storage tank is provided at the other end of the charging and discharging system 8, a return water tank is provided on one side of the furnace shell 2, an electric control cabinet and a controllable power supply are provided on the other side of the furnace shell 2, a motor wiring device 9 is installed on the outer wall of the furnace shell 2, a water cooling system 10 is provided on one side of the furnace shell 2, a uniform temperature zone thermocouple 11 is installed on the outer wall of the furnace shell 2, a vacuum baffle valve 12 is provided on the outer wall of the furnace shell 2, and a vacuum baffle valve 11 is provided on the outer wall of the furnace shell 2. A valve 12 is connected to the furnace shell 2; an electric contact pressure gauge 13 and an "O" type sealing ring 14 are respectively installed on the upper surface of the vacuum baffle valve 12, a regulating assembly 15 is provided on the outer wall of the vacuum baffle valve 12, a cold trap 16 is installed at the bottom of the vacuum baffle valve 12, a pipe 17 is provided on the outer wall of the vacuum baffle valve 12, an "O" type sealing ring 2 18 is provided on the inner wall of the pipe 17, a bolt 19 is provided on the outer wall of the pipe 17, a nut 20 is threadedly connected to one end of the bolt 19, a vacuum baffle valve 21 is provided on the other end of the pipe 17, and a pneumatic system 5 is installed on the upper surface of the vacuum baffle valve 21; a liquid bolt 2 is provided at the bottom of the vacuum baffle valve 21 22. A second pipe 23 is provided at the bottom of the second vacuum baffle valve 21. A Roots vacuum pump 33 is installed at the bottom of the second pipe 23. A pump bracket 34 is installed at the bottom of the Roots vacuum pump 33. A fourth pipe 31 is provided on the outer wall of the Roots vacuum pump 33. A fourth bolt 32 is provided on the outer wall of the fourth pipe 31. A nut 20 is threadedly connected to the outer wall of the fourth pipe 31. A bellows 1 24 is provided at the other end of the fourth pipe 31. A third pipe 25 is provided at the other end of the bellows 1 24. An O-ring 3 26 is provided on the outer wall of the third pipe 25. A third bolt 27 is provided on the outer wall of the third pipe 25. An electromagnetic high vacuum belt charging valve 28 is installed at the other end of the third pipe 25. A rotary vane vacuum pump 29 is installed at the bottom of the electromagnetic high vacuum belt charging valve 28, and a bellows pipe 23 is provided on the outer wall of the second connecting pipe 23; an "O" type sealing ring 4 is provided on the inner wall of the second bellows pipe 35, and a vacuum plate valve 37 is installed on the other end of the second bellows pipe 35. A diffusion pump 38 is provided on the outer wall of the vacuum plate valve 37, and an "O" type sealing ring 5 39 is provided on the inner wall of the diffusion pump 38. A bolt 40 is provided on the outer wall of the diffusion pump 38, and an expansion bolt 41 is provided on the outer wall of the Roots vacuum pump 33. A transition flange 42 is provided on the outer wall of the vacuum baffle valve 12, and a hexagonal head bolt 43 is provided on the outer wall of the transition flange 42. A wafer butterfly valve 45 is installed on the outer wall of the transition flange 42;A thread pair 44 is provided on the outer wall of the transition flange 42, a flange 46 is provided on one end of the furnace shell 2, an explosion-proof valve interface 48 is installed on the outer wall of the furnace shell 2, an explosion-proof valve interface 48 is provided on the outer wall of the furnace shell 2, an inner cylinder 49 is provided on the outer wall of the inner cylinder 49, an outer cylinder 50 is provided on the inner wall of the outer cylinder 50, an inner head 51 is provided on the inner wall of the inner head 51, an outer head 52 is provided on the outer wall of the inner head 51, and a rear flange 53 is provided on the other end of the furnace shell 2;

[0029] Furthermore, in this embodiment, by opening the butterfly valve 44 and the vacuum baffle valve 21, and then opening the vacuum baffle valve 12, the roots vacuum pump 33 and the diffusion pump are started. The roots vacuum pump 33 is connected to the pipe 17 through the pipe 23, so that the air in the furnace shell 2 is extracted. Then, the electromagnetic high vacuum belt charging valve 28 and the rotary vane vacuum pump 29 are started to suck the air from the pipe 4 31 into the bellows pipe 1 24 and then discharge it. The pneumatic system 5 is composed of a constant pressure valve, a water distributor, an oil mist collector, an air distribution pipe, a reversing valve, a throttle valve, a muffler, etc. The electronic control system 7 is composed of It is composed of heating control, cooling control, vacuum control, temperature recording, digital vacuum gauge and pressure gauge display; the inflation and pressure distribution system is composed of C-4 / 1.2 gas storage tank, electric valve, manual valve, needle valve, pipeline, etc.; the water cooling system 10 is composed of multiple water pipes with manual valves to supply cooling water to various parts of the furnace that require water cooling, and is equipped with a water pressure relay to alarm the control system when the water pressure is insufficient or overpressure so that corresponding measures can be taken; a furnace body is set on one side of the vacuum baffle valve 12, and the furnace body is composed of a furnace shell, a furnace door, a heat insulation screen and a heater.

[0030] Example 2

[0031] On the basis of Example 1, a preferred embodiment of a high temperature vacuum hot pressing sintering furnace provided by the present invention is as follows: Figure 1-10 As shown: the outer wall of the rear flange 53 is provided with a heat exchanger interface 54, the outer wall of the furnace shell 2 is provided with an electrode interface 55, the outer wall of the furnace shell 2 is provided with a thermal coupler interface 56, the outer wall of the furnace shell 2 is provided with a pressure gauge interface 57, the outer wall of the furnace shell 2 is provided with a nine-point temperature measurement interface 58, the outer wall of the furnace shell 2 is provided with a furnace leg reinforcement plate 60, the bottom of the furnace leg reinforcement plate 60 is provided with a furnace leg 59, the outer wall of the furnace shell 2 is provided with a water nozzle 61, the outer wall of the furnace shell 2 is provided with an inflation interface 62, the outer wall of the furnace shell 2 is provided with a vacuum interface 63, the outer wall of the furnace shell 2 is provided with a crystal ring reinforcement A reinforcing plate 64 is provided with a venting interface 65 on the outer wall of the furnace shell 2, and a venting interface 65 is provided on the other end of the furnace shell 2; the furnace shell 2 is provided with a furnace door, and one end of the furnace shell 2 is provided with an outer head 69, the outer wall of the outer head 69 is provided with a water nozzle 68, the outer wall of the outer head 69 is provided with a lifting ring 67, the inner wall of the outer head 69 is provided with an inner head 70, the outer wall of the outer head 69 is provided with a handle 71, the outer wall of the furnace shell 2 is provided with a clamping ring 72, the inner wall of the clamping ring 72 is provided with a hexagon socket screw 73, and the inner wall of the clamping ring 72 is provided with a connecting plate 74;

[0032] Furthermore, in this embodiment, the hexagon socket screw 73 is loosened to loosen the ring 72 and the connecting plate 74. At this time, the clamping ring 72 can be rotated, and the clamping ring 72 rotates on the outer wall of the furnace shell 2, so that the clamping ring 72 releases the flange 2 66. At this time, the handle 71 can be held to open the furnace door, and the object to be processed can be placed in the furnace shell 2. The handle 71 is held to close the furnace door, and the clamping ring 72 is rotated so that the clamping ring 72 is clamped to the flange 2 66. After waiting for the air in the furnace shell 2 to be extracted, the heating chamber 3 is started to process the workpiece.

[0033] During use, open the clamping butterfly valve 44 and the vacuum baffle valve 21, then open the vacuum baffle valve 12, start the Roots vacuum pump 33 and the diffusion pump, and the Roots vacuum pump 33 is connected to the pipe 17 through the pipe 23 to extract the air in the furnace shell 2. Then start the electromagnetic high vacuum belt charging valve 28 and the rotary vane vacuum pump 29 to suck the air from the pipe 4 31 into the corrugated pipe 24, and then discharge it. Then, loosen the hexagon socket screw 73 to loosen the ring 72 and the connecting plate 74. At this time, you can rotate the clamping ring 72, and the clamping ring 72 rotates on the outer wall of the furnace shell 2, so that the clamping ring 72 releases the flange 2 66. At this time, you can hold the handle 71, open the furnace door, put the object to be processed into the furnace shell 2, hold the handle 71 to close the furnace door, and rotate the clamping ring 72 so that the clamping ring 72 clamps the flange 2 66. After waiting for the air in the furnace shell 2 to be extracted, start the heating chamber 3 and process the workpiece.

[0034] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A high-temperature vacuum hot pressing sintering furnace, characterized in that: It comprises a vacuum system (1) and a furnace shell (2); a heating chamber (3) arranged inside the furnace shell (2); an air-cooling heat exchange system (4) disposed on one side of the furnace shell (2); A thermocouple assembly (6) is installed on the outer wall of the furnace shell (2); a vacuum baffle valve (12) is provided on the outer wall of the furnace shell (2); An electric contact pressure gauge (13) and an "O" type sealing ring (14) are respectively installed on the upper surface of the vacuum baffle valve (12), a regulating assembly (15) is provided on the outer wall of the vacuum baffle valve (12), a cold trap (16) is installed on the bottom of the vacuum baffle valve (12), a connecting pipe (17) is provided on the outer wall of the vacuum baffle valve (12), an "O" type sealing ring (18) is provided on the inner wall of the connecting pipe (17), a bolt (19) is provided on the outer wall of the connecting pipe (17), one end of the bolt (19) is threadedly connected to a nut (20), a vacuum baffle valve (21) is provided on the other end of the connecting pipe (17), a pneumatic system (5) is installed on the upper surface of the vacuum baffle valve (21), and the vacuum baffle valve (21) is provided with a pneumatic system (5). A second liquid bolt (22) is provided at the bottom of the second baffle valve (21), a second pipe (23) is provided at the bottom of the second vacuum baffle valve (21), a roots vacuum pump (33) is installed at the bottom of the second pipe (23), a pump frame (34) is provided at the bottom of the roots vacuum pump (33), a fourth pipe (31) is provided on the outer wall of the roots vacuum pump (33), a fourth bolt (32) is provided on the outer wall of the fourth pipe (31), a second nut (30) is threadedly connected to the outer wall of the fourth pipe (31), a first bellows (24) is provided at the other end of the first bellows (24), a third pipe (25) is provided at the other end, an outer wall of the third pipe (25) is provided with a screw thread, and an inner wall of the third pipe (25) is provided with a screw thread. "-type sealing ring three (26), the outer wall of the pipe three (25) is provided with a bolt three (27), the other end of the pipe three (25) is installed with an electromagnetic high vacuum belt inflation valve (28), the bottom of the electromagnetic high vacuum belt inflation valve (28) is installed with a rotary vane vacuum pump (29), the outer wall of the pipe two (23) is provided with a bellows two (35), the inner wall of the bellows two (35) is provided with an "O" type sealing ring four (36), the other end of the bellows two (35) is installed with a vacuum plate valve (37), the outer wall of the vacuum plate valve (37) is provided with a diffusion pump (38), the inner wall of the diffusion pump (38) is provided with an "O" type sealing ring five (39), the outer wall of the diffusion pump (38) is provided with a bolt (40), The outer wall of the Roots vacuum pump (33) is provided with an expansion bolt (41), the outer wall of the vacuum baffle valve (12) is provided with a transition flange (42), the outer wall of the transition flange (42) is provided with a hexagonal head bolt (43), the outer wall of the transition flange (42) is installed with a clamped butterfly valve (45), the outer wall of the transition flange (42) is provided with a thread pair (44), one end of the furnace shell (2) is provided with a flange (46), the outer wall of the furnace shell (2) is installed with an explosion-proof valve interface (48), the outer wall of the furnace shell (2) is provided with an explosion-proof valve interface (48), the inner wall of the furnace shell (2) is provided with an inner cylinder (49), the outer wall of the inner cylinder (49) is provided with an outer cylinder (50), and the inner wall of the outer cylinder (50) is provided with an inner head (51),The outer wall of the inner seal (51) is provided with an outer seal (52), the other end of the furnace shell (2) is provided with a rear flange (53), the outer wall of the rear flange (53) is provided with a heat exchanger interface (54), the outer wall of the furnace shell (2) is provided with an electrode interface (55), the outer wall of the furnace shell (2) is provided with a thermal coupling interface (56), the outer wall of the furnace shell (2) is provided with a pressure gauge interface (57), the outer wall of the furnace shell (2) is provided with a nine-point temperature measurement interface (58), the outer wall of the furnace shell (2) is provided with a furnace leg reinforcement plate (60), the bottom of the furnace leg reinforcement plate (60) is provided with a furnace leg (59), the outer wall of the furnace shell (2) is provided with a water nozzle (61), the outer wall of the furnace shell (2) is provided with an inflation interface (62), and the outer wall of the furnace shell (2) is provided with a vacuum interface (63), the outer wall of the furnace shell (2) is provided with a crystal ring reinforcement plate (64), the outer wall of the furnace shell (2) is provided with a venting interface (65), the other end of the furnace shell (2) is provided with a venting interface (65), the furnace shell (2) is provided with a furnace door, one end of the furnace shell (2) is provided with an outer head 2 (69), the outer wall of the outer head 2 (69) is provided with a water nozzle 2 (68), the outer wall of the outer head 2 (69) is provided with a hanging ring (67), the inner wall of the outer head 2 (69) is provided with an inner head 2 (70), the outer wall of the outer head 2 (69) is provided with a handle (71), the outer wall of the furnace shell (2) is provided with a clamping ring (72), the inner wall of the clamping ring (72) is provided with an inner hexagonal screw (73), and the inner wall of the clamping ring (72) is provided with a connecting plate (74).

2. The high-temperature vacuum hot-pressing sintering furnace according to claim 1, characterized in that: The outer wall of the furnace shell (2) is installed with an electrode assembly (7), the outer wall of the furnace shell (2) is installed with a gas charging and discharging system (8), the other end of the gas charging and discharging system (8) is provided with a gas storage tank, one side of the furnace shell (2) is provided with a return water tank, the other side of the furnace shell (2) is provided with an electric control cabinet and a controllable power supply, the outer wall of the furnace shell (2) is installed with a motor wiring device (9), one side of the furnace shell (2) is provided with a water cooling system (10), the outer wall of the furnace shell (2) is installed with a temperature-averaging zone thermocouple (11), and the vacuum baffle valve (12) is connected to the furnace shell (2).

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