CN214582407U

CN214582407U - Uniform-speed temperature control ultrahigh vacuum high-temperature microwave sintering furnace

Info

Publication number: CN214582407U
Application number: CN202121129122.2U
Authority: CN
Inventors: 陈太阳
Original assignee: Nanjing Tianke Instrument Technology Co ltd
Current assignee: Nanjing Tianke Instrument Technology Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-11-02
Anticipated expiration: 2031-05-24

Abstract

A uniform-speed temperature control ultrahigh vacuum high-temperature microwave sintering furnace comprises a shell, a turnover door, a telescopic rod, a rotating bracket, a cover plate, a rotating device, a connecting rod, a pushing device and a vacuum device; the top of the shell is rotationally connected with the turnover door; a tank body is arranged right below the turnover door; the bottom of the tank body is connected with a rotating device; the bottom of the rotating device is connected with the shell; a microwave generator is arranged on the side surface of the tank body; the microwave generator is connected with the connecting rod; the connecting rod is connected with the pushing device; the pushing device is connected with the inner wall of the bottom of the shell; the side surface of the inner wall of the shell is connected with the telescopic rod; one end of the telescopic rod, which is far away from the shell, is connected with the rotating bracket; the rotating bracket is rotationally connected with the cover plate; the diameter of the cover plate is larger than that of the tank body; an infrared thermometer is arranged on the cover plate; the infrared thermometer faces right below; the inside cavity of rotating support, the apron passes through the connecting pipe and is connected with vacuum apparatus, the utility model discloses simple structure is easy and simple to handle, can effectually avoid being heated inhomogeneous problem.

Description

Uniform-speed temperature control ultrahigh vacuum high-temperature microwave sintering furnace

Technical Field

The utility model relates to a microwave sintering stove technical field especially relates to a constant velocity accuse temperature superhigh vacuum high temperature microwave sintering stove.

Background

Microwave metallurgy is a technique for sintering materials by microwave heating. Microwave sintering is a method for realizing densification by utilizing the coupling of a special wave band of microwaves and a basic fine structure of a material to generate heat and heating the whole material to a sintering temperature through the dielectric loss of the material, and is an important technical means for quickly preparing a high-quality new material and a traditional material with new performance. The microwave heating mainly depends on the electromagnetic physical characteristics of metallurgical materials, namely dielectric performance and magnetic medium performance, the traditional sintering furnace can not overcome the problem of nonuniform heating caused by temperature reduction of one surface far away from a microwave generator due to distance, and meanwhile, the vacuum sintering furnace easily generates pressure on an object when normal air pressure is recovered, so that the object bursts.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a at uniform velocity accuse temperature superhigh vacuum high temperature microwave sintering stove, the utility model discloses simple structure is easy and simple to handle, can effectually avoid being heated inhomogeneous problem.

(II) technical scheme

The utility model provides a uniform temperature control ultrahigh vacuum high temperature microwave sintering furnace, which comprises a shell, a turnover door, a telescopic rod, a rotating bracket, a cover plate, a rotating device, a connecting rod, a pushing device and a vacuum device;

the top of the shell is rotationally connected with the turnover door; a tank body is arranged right below the turnover door; the bottom of the tank body is connected with a rotating device; the bottom of the rotating device is connected with the shell; a microwave generator is arranged on the side surface of the tank body; the microwave generator is connected with the connecting rod; the connecting rod is connected with the pushing device; the pushing device is connected with the inner wall of the bottom of the shell; the side surface of the inner wall of the shell is connected with the telescopic rod; one end of the telescopic rod, which is far away from the shell, is connected with the rotating bracket; the rotating bracket is rotationally connected with the cover plate; the diameter of the cover plate is larger than that of the tank body; an infrared thermometer is arranged on the cover plate; the infrared thermometer faces right below; the rotating bracket is hollow inside, and the cover plate is connected with a vacuum device through a connecting pipe.

Preferably, the rotating device comprises a rotating base, a rotating tray and a rotating motor, the rotating base is connected with the bottom of the inner wall of the shell, and the rotating base is rotatably connected with the rotating tray; the rotating base is connected with a rotating motor, and the rotating motor is connected with the rotating base; the output end of the rotating motor is provided with a first bevel gear, the bottom of the rotating tray is provided with a second bevel gear, and the first bevel gear is meshed with the second bevel gear.

Preferably, the vacuum device comprises a vacuum cavity, a radiating fin, a switch device, a vacuum pump, a pressure gauge and a pressure relief device, the vacuum cavity is connected with the vacuum pump, the vacuum pump is provided with a handle, the vacuum pump is connected with the pressure relief device through a connecting pipe, the pressure relief device comprises a one-way valve and a bubble cavity, liquid is filled in the bubble cavity, the one-way valve is arranged at the bottom of the bubble cavity, the pressure gauge is connected with the bubble cavity, the side face of the vacuum cavity is connected with the radiating fin, and the vacuum pump is in control connection with the switch device.

Preferably, the propelling device comprises a motor, a threaded rod and a threaded part, the output end of the motor is connected with the threaded rod, the threaded rod is in threaded connection with the threaded part, the threaded part is in sliding connection with the shell, and one end, far away from the shell, of the threaded part is connected with the connecting rod.

Preferably, the edge of the cover plate is provided with a bulge, the inner wall of the bulge is in contact with the outer wall of the tank body, and the top of the outer wall of the tank body is provided with a rubber sealing ring.

Preferably, the rotating tray is provided with a positioning hole, the bottom of the tank body is provided with a positioning pin, and the inner diameter of the positioning hole is the same as the outer diameter of the positioning pin.

Preferably, the height of the infrared thermometer is lower than that of the rotating bracket.

Preferably, the tank is at the same level as the microwave generator.

The above technical scheme of the utility model has following profitable technological effect:

the utility model has the advantages of simple structure and simple operation, can effectually avoid being heated inhomogeneous problem, can make jar internal portion be heated evenly to have guaranteed that each position of object is the same with microwave generator distance through rotating device and advancing device's combination, the even transform of microblog intensity has been realized through advancing device, the temperature that has avoided the electric current jump to lead to sharply changes, can effectually get rid of jar internal air through vacuum apparatus and prevent high-temperature oxidation effectively, can make jar internal pressure evenly change through pressure relief device simultaneously, effectually prevent to burst.

Drawings

Fig. 1 is a schematic structural view of the uniform-speed temperature-control ultrahigh vacuum high-temperature microwave sintering furnace provided by the utility model.

Fig. 2 is a schematic structural view of a rotating device in the uniform-speed temperature control ultrahigh vacuum high-temperature microwave sintering furnace provided by the utility model.

Fig. 3 is a schematic structural view of a vacuum device in the uniform-speed temperature control ultrahigh vacuum high-temperature microwave sintering furnace provided by the utility model.

Reference numerals: 1. a housing; 2. turning over the door; 3. a telescopic rod; 4. rotating the bracket; 5. a cover plate; 6. an infrared thermometer; 7. a tank body; 8. a rotating device; 9. a microwave generator; 10. a connecting rod; 11. a pushing device; 12. a vacuum device; 13. rotating the base; 14. rotating the tray; 15. rotating the motor; 16. a vacuum chamber; 17. a heat sink; 18. a switching device; 19. a vacuum pump; 20. a pressure gauge; 21. a pressure relief device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-3, the utility model provides a uniform temperature control ultrahigh vacuum high temperature microwave sintering furnace, which comprises a shell 1, a turnover door 2, a telescopic rod 3, a rotating bracket 4, a cover plate 5, a rotating device 8, a connecting rod 10, a pushing device 11 and a vacuum device 12;

the top of the shell 1 is rotationally connected with the turnover door 2; a tank body 7 is arranged under the turnover door 2; the bottom of the tank body 7 is connected with a rotating device 8; the bottom of the rotating device 8 is connected with the shell 1; the side surface of the tank body 7 is provided with a microwave generator 9; the microwave generator 9 is connected with the connecting rod 10; the connecting rod 10 is connected with a pushing device 11; the pushing device 11 is connected with the inner wall of the bottom of the shell 1; the side surface of the inner wall of the shell 1 is connected with a telescopic rod 3; one end of the telescopic rod 3 far away from the shell 1 is connected with the rotating bracket 4; the rotating bracket 4 is rotatably connected with the cover plate 5; the diameter of the cover plate 5 is larger than that of the tank body 7; an infrared thermometer 6 is arranged on the cover plate 5; the infrared thermometer 6 faces the right lower part; the rotating bracket 4 is hollow inside, and the cover plate 5 is connected with a vacuum device 12 through a connecting pipe.

The utility model discloses in, thereby it is even to have effectually guaranteed to be heated to drive jar body 7 through rotating device 8 and realize rotating, microwave generator 9 can effectual regulation and jar distance between 7 under thrust unit 11's drive, thereby make the microwave intensity change more even, can effectual sealed jar body 7 simultaneously can the inside temperature of the real-time supervision jar body through the combination of apron 5 and infrared thermometer 6, be connected with telescopic link 3 through vacuum apparatus 12, can effectually take the inside air out from apron 5, can the inside atmospheric pressure of the real-time detection jar body 7 through manometer 20, can effectual slow release negative pressure through pressure relief device 21, can judge current air flow rate through bubble size and quantity, the staff of being convenient for controls.

In an alternative embodiment, the rotating device 8 comprises a rotating base 13, a rotating tray 14 and a rotating motor 15, wherein the rotating base 13 is connected with the bottom of the inner wall of the shell 1, and the rotating base 13 is rotatably connected with the rotating tray 14; the rotating base 13 is connected with a rotating motor 15, and the rotating motor 15 is connected with the rotating base 13; the output end of the rotating motor 15 is provided with a first bevel gear, the bottom of the rotating tray 14 is provided with a second bevel gear, and the first bevel gear is meshed with the second bevel gear.

In an alternative embodiment, the vacuum device 12 includes a vacuum cavity 16, a heat sink 17, a switch device 18, a vacuum pump 19, a pressure gauge 20 and a pressure relief device 21, the vacuum cavity 16 is connected to the vacuum pump 19, the vacuum pump 19 is provided with a handle, the vacuum pump 19 is connected to the pressure relief device 21 through a connecting pipe, the pressure relief device includes a check valve and a bubble cavity, liquid is filled in the bubble cavity, the check valve is arranged at the bottom of the bubble cavity, the pressure gauge 20 is connected to the bubble cavity, the side of the vacuum cavity 16 is connected to the heat sink 17, and the vacuum pump 19 is in control connection with the switch device 18.

In an alternative embodiment, the propelling device comprises a motor, a threaded rod and a screw member, wherein the output end of the motor is connected with the threaded rod, the threaded rod is connected with the screw member in a threaded manner, the screw member is connected with the shell 1 in a sliding manner, and one end of the screw member, which is far away from the shell 1, is connected with the connecting rod 10.

In an alternative embodiment, the edge of the cover plate 5 is provided with a bulge, the inner wall of the bulge is in contact with the outer wall of the tank body 7, and the top of the outer wall of the tank body 7 is provided with a rubber sealing ring, so that the air tightness is improved.

In an alternative embodiment, the rotating tray 14 is provided with positioning holes, the bottom of the tank 7 is provided with positioning pins, and the inner diameter of the positioning holes is the same as the outer diameter of the positioning pins, so that the tank 7 is prevented from shaking on the rotating tray 14.

In an alternative embodiment, the infrared thermometer 6 is lower in height than the rotating bracket 4, effectively preventing interference during rotation.

In an alternative embodiment, the tank 7 is at the same level as the microwave generator 9, enabling maximum use of the microwaves.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A uniform-speed temperature control ultrahigh vacuum high-temperature microwave sintering furnace is characterized by comprising a shell (1), a turnover door (2), a telescopic rod (3), a rotating bracket (4), a cover plate (5), a rotating device (8), a connecting rod (10), a pushing device (11) and a vacuum device (12);

the top of the shell (1) is rotationally connected with the turnover door (2); a tank body (7) is arranged right below the turnover door (2); the bottom of the tank body (7) is connected with a rotating device (8); the bottom of the rotating device (8) is connected with the shell (1); a microwave generator (9) is arranged on the side surface of the tank body (7); the microwave generator (9) is connected with the connecting rod (10); the connecting rod (10) is connected with the pushing device (11); the pushing device (11) is connected with the inner wall of the bottom of the shell (1); the side surface of the inner wall of the shell (1) is connected with the telescopic rod (3); one end of the telescopic rod (3) far away from the shell (1) is connected with the rotating bracket (4); the rotating bracket (4) is rotationally connected with the cover plate (5); the diameter of the cover plate (5) is larger than that of the tank body (7); an infrared thermometer (6) is arranged on the cover plate (5); the infrared thermometer (6) faces right below; the rotating bracket (4) is hollow, and the cover plate (5) is connected with a vacuum device (12) through a connecting pipe.

2. The uniform-speed temperature-control ultrahigh-vacuum high-temperature microwave sintering furnace as claimed in claim 1, characterized in that the rotating device (8) comprises a rotating base (13), a rotating tray (14) and a rotating motor (15), wherein the rotating base (13) is connected with the bottom of the inner wall of the shell (1), and the rotating base (13) is rotatably connected with the rotating tray (14); the rotating base (13) is connected with a rotating motor (15), and the rotating motor (15) is connected with the rotating base (13); the output end of the rotating motor (15) is provided with a first bevel gear, the bottom of the rotating tray (14) is provided with a second bevel gear, and the first bevel gear is meshed with the second bevel gear.

3. The uniform-speed temperature-control ultrahigh-vacuum high-temperature microwave sintering furnace is characterized in that the vacuum device (12) comprises a vacuum cavity (16), a radiating fin (17), a switch device (18), a vacuum pump (19), a pressure gauge (20) and a pressure relief device (21), the vacuum cavity (16) is connected with the vacuum pump (19), the vacuum pump (19) is provided with a handle, the vacuum pump (19) is connected with the pressure relief device (21) through a connecting pipe, the pressure relief device comprises a one-way valve and a bubble cavity, liquid is filled in the bubble cavity, the one-way valve is arranged at the bottom of the bubble cavity, the pressure gauge (20) is connected with the bubble cavity, the side face of the vacuum cavity (16) is connected with the radiating fin (17), and the vacuum pump (19) is in control connection with the switch device (18).

4. The uniform-speed temperature-control ultrahigh-vacuum high-temperature microwave sintering furnace as claimed in claim 1, wherein the propulsion device comprises a motor, a threaded rod and a threaded piece, the output end of the motor is connected with the threaded rod, the threaded rod is in threaded connection with the threaded piece, the threaded piece is in sliding connection with the shell (1), and one end of the threaded piece, which is far away from the shell (1), is connected with the connecting rod (10).

5. The uniform temperature control ultrahigh vacuum high temperature microwave sintering furnace according to claim 1, characterized in that the edge of the cover plate (5) is provided with a bulge, the inner wall of the bulge contacts with the outer wall of the tank body (7), and the top of the outer wall of the tank body (7) is provided with a rubber sealing ring.

6. The uniform temperature control ultrahigh vacuum high temperature microwave sintering furnace according to claim 1, characterized in that the rotating tray (14) is provided with positioning holes, the bottom of the tank body (7) is provided with positioning pins, and the inner diameter of the positioning holes is the same as the outer diameter of the positioning pins.

7. The uniform-speed temperature-control ultrahigh-vacuum high-temperature microwave sintering furnace as claimed in claim 1, characterized in that the height of the infrared thermometer (6) is lower than that of the rotating bracket (4).

8. The uniform-speed temperature-control ultrahigh-vacuum high-temperature microwave sintering furnace as claimed in claim 1, wherein the tank body (7) and the microwave generator (9) are at the same level.