CN211823771U

CN211823771U - Evacuating device of silicon carbide sintering furnace

Info

Publication number: CN211823771U
Application number: CN201922404075.7U
Authority: CN
Inventors: 不公告发明人
Original assignee: Qian Renyi
Current assignee: Qian Renyi
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-10-30
Anticipated expiration: 2029-12-27

Abstract

The utility model belongs to the technical field of machining, in particular to a vacuum-pumping device of a silicon carbide sintering furnace, which comprises a base and a furnace body, wherein the top of the base is fixedly connected with the bottom of the furnace body through a plurality of fixed rods, the top of the furnace body is provided with a sealing cover, one side of the sealing cover is rotatably connected with the furnace body through a rotating shaft, one side of the sealing cover, which is far away from the rotating shaft, is fixedly connected with an L-shaped supporting block, which is provided with a socket, a locking rod is inserted in the socket in a sliding way, the outer wall of the furnace body is fixedly connected with a locking block corresponding to the locking rod, the locking block is provided with a clamping groove corresponding to the locking rod, one end of the locking rod, which is close to the locking block, is fixedly sleeved with a clamping sleeve, the locking rod is sleeved with a first spring, the vacuum-pumping device carries out vacuum, the working efficiency of the device is improved when in use.

Description

Evacuating device of silicon carbide sintering furnace

Technical Field

The utility model belongs to the technical field of machining, especially, relate to a evacuating device of carborundum fritting furnace.

Background

The silicon carbide ceramic material has the excellent characteristics of high-temperature strength, strong high-temperature oxidation resistance, good wear resistance, good thermal stability, small thermal expansion coefficient, large thermal conductivity, high hardness, thermal shock resistance, chemical corrosion resistance and the like, is increasingly widely applied in the fields of automobiles, mechanical and chemical engineering, environmental protection, space technology, information electronics, energy sources and the like, and becomes structural ceramic which can not be replaced by other materials with excellent performance in a plurality of industrial fields. The sintering temperature of the common silicon carbide ceramic material needs to reach about 2000 ℃, so that the compact sintering of the silicon carbide can be achieved, and the required physical properties can be achieved.

But the internal structure of the existing sintering furnace is relatively fixed, so that the device is inconvenient to be thoroughly opened, the inside of the device is troublesome to clean, and objects accumulated for a long time influence the working efficiency of the device in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing a vacuumizing device of a silicon carbide sintering furnace.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a vacuumizing device of a silicon carbide sintering furnace comprises a base and a furnace body, wherein the top of the base is fixedly connected with the bottom of the furnace body through a plurality of fixing rods, a sealing cover is arranged at the top of the furnace body, one side of the sealing cover is rotatably connected with the furnace body through a rotating shaft, one side of the sealing cover, which is far away from the rotating shaft, is fixedly connected with an L-shaped supporting block, a socket is arranged on the L-shaped supporting block, a locking rod is inserted in the socket in a sliding manner, a locking block corresponding to the locking rod is fixedly connected onto the outer wall of the furnace body, a clamping groove corresponding to the locking rod is arranged on the locking block, a clamping sleeve is fixedly sleeved at one end, which is close to the locking block, of the locking rod, a first spring is sleeved on the locking rod, two ends of the first spring are fixedly connected with the clamping sleeve and the L-shaped supporting block respectively, a handle is fixedly, and the air exhaust pipe is provided with an air exhaust pump.

Preferably, a heat insulation layer is fixedly bonded on the inner walls of the furnace body and the sealing cover.

Preferably, an installation groove is formed in one end, close to the L-shaped supporting block, of the top of the furnace body, an extrusion plate is fixedly connected to the interior of the installation groove through a damping shock absorber, a buffer block is fixedly connected to the bottom of the sealing cover, and one side, far away from the damping shock absorber, of the extrusion plate abuts against the buffer block.

Preferably, the bottom of the base is fixedly connected with a plurality of rubber blocks.

Preferably, the mouth of pipe department of exhaust tube is equipped with the bracing piece, the mouth of pipe department of exhaust tube is equipped with the spout that corresponds with the bracing piece, fixedly connected with slide bar in the spout, be equipped with the sliding opening that corresponds with the bracing piece on the slide bar, the cover is equipped with the second spring on the slide bar, the both ends of second spring respectively with the inner wall fixed connection of bracing piece and spout, the bottom fixedly connected with connecting rod of bracing piece, the one end fixedly connected with anti-contrary board of bracing piece is kept away from to the connecting rod.

Has the advantages that:

1. when the sealing cover needs to be opened, the locking rod is pulled by the handle to move, the locking rod drives the clamping sleeve to compress the first spring, the first spring absorbs energy, the locking rod is moved out of the clamping groove, then the sealing cover is lifted, the device achieves the effect of being convenient for opening when in use, and then the inside of the furnace body is convenient to clean.

2. The utility model discloses carry out vacuum treatment in to the furnace body, make sintering quality inhomogeneous, and be convenient for clear up the inside of device, improved the work efficiency of device when using.

Drawings

FIG. 1 is a schematic view of a vacuum-pumping apparatus of a silicon carbide sintering furnace;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic structural diagram at B in fig. 1.

In the figure: 1-base, 2-furnace body, 3-sealing cover, 4-rotating shaft, 5-L-shaped supporting block, 6-locking rod, 7-locking block, 8-cutting sleeve, 9-first spring, 10-handle, 11-air exhaust pipe, 12-air exhaust pump, 13-heat insulation layer, 14-damping shock absorber, 15-extrusion plate, 16-buffer block, 17-rubber block, 18-supporting rod, 19-sliding rod, 20-second spring, 21-connecting rod, 22-anti-reverse plate and 23-fixing rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a vacuum pumping device of a silicon carbide sintering furnace comprises a base 1 and a furnace body 2, wherein the top of the base 1 is fixedly connected with the bottom of the furnace body 2 through a plurality of fixing rods 23, the top of the furnace body 2 is provided with a sealing cover 3, one side of the sealing cover 3 is rotatably connected with the furnace body 2 through a rotating shaft 4, one side of the sealing cover 3 far away from the rotating shaft 4 is fixedly connected with an L-shaped supporting block 5, the L-shaped supporting block 5 is provided with a socket, a locking rod 6 is slidably inserted in the socket, the outer wall of the furnace body 2 is fixedly connected with a locking block 7 corresponding to the locking rod 6, the locking block 7 is provided with a clamping groove corresponding to the locking rod 6, one end of the locking rod 6 close to the locking block 7 is fixedly sleeved with a clamping sleeve 8, the locking rod 6 is sleeved with a first spring 9, two ends of the first spring 9 are respectively fixedly connected with, the bottom of the furnace body 2 close to one side of the L-shaped supporting block 5 is fixedly communicated with an air exhaust pipe 11, and an air exhaust pump 12 is arranged on the air exhaust pipe 11.

In this embodiment, a thermal insulation layer 13 is fixedly bonded on the inner walls of the furnace body 2 and the sealing cover 3, a device groove is arranged at one end of the top of the furnace body 2 close to the L-shaped supporting block 5, an extruding plate 15 is fixedly connected in the device groove through a damping shock absorber 14, a bottom fixedly connected with buffer block 16 of the sealing cover 3, one side of the extruding plate 15 away from the damping shock absorber 14 abuts against the buffer block 16, a plurality of rubber blocks 17 are fixedly connected to the bottom of the base 1, a supporting rod 18 is arranged at the mouth of the exhaust tube 11, a sliding groove corresponding to the supporting rod 18 is arranged at the mouth of the exhaust tube 11, a sliding slot corresponding to the supporting rod 18 is fixedly connected to the sliding groove 19, a second spring 20 is arranged on the sliding rod 19 in a sleeved mode, two ends of the second spring 20 are respectively fixedly connected to the inner walls of the supporting rod 18 and the sliding groove, a connecting rod 21 is fixedly connected to the bottom of the supporting.

In this embodiment, during the use, when sealed lid 3 is opened to needs, utilize handle 10 pulling check lock lever 6 to remove earlier, check lock lever 6 drives cutting ferrule 8 compression first spring 9, and first spring 9 energy-absorbing makes check lock lever 6 shift out in the draw-in groove, then mentions sealed lid 3 for the device has reached the effect after being convenient for open when using, then is convenient for clear up the inside of furnace body.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an evacuating device of carborundum fritting furnace, includes base (1) and furnace body (2), its characterized in that: the top of the base (1) is fixedly connected with the bottom of the furnace body (2) through a plurality of fixing rods (23), a sealing cover (3) is arranged at the top of the furnace body (2), one side of the sealing cover (3) is rotatably connected with the furnace body (2) through a rotating shaft (4), one side of the sealing cover (3) far away from the rotating shaft (4) is fixedly connected with an L-shaped supporting block (5), a socket is arranged on the L-shaped supporting block (5), a locking rod (6) is inserted in the socket in a sliding manner, a locking block (7) corresponding to the locking rod (6) is fixedly connected on the outer wall of the furnace body (2), a clamping groove corresponding to the locking rod (6) is arranged on the locking block (7), a clamping sleeve (8) is fixedly connected at one end of the locking rod (6) close to the locking block (7), a first spring (9) is sleeved on the locking rod (6), and two ends of the first spring (9) are respectively fixedly connected with the clamping sleeve (8) and, one end fixedly connected with handle (10) of cutting ferrule (8) is kept away from in check lock pole (6), the fixed intercommunication in bottom that furnace body (2) are close to L type supporting shoe (5) one side has exhaust tube (11), be equipped with aspiration pump (12) on exhaust tube (11).

2. The evacuation apparatus for a silicon carbide sintering furnace according to claim 1, wherein: and a heat insulation layer (13) is fixedly adhered to the inner walls of the furnace body (2) and the sealing cover (3).

3. The evacuation apparatus for a silicon carbide sintering furnace according to claim 1, wherein: the furnace body is characterized in that a device groove is formed in one end, close to the L-shaped supporting block (5), of the top of the furnace body (2), an extrusion plate (15) is fixedly connected to the interior of the device groove through a damping shock absorber (14), a buffer block (16) is fixedly connected to the bottom of the sealing cover (3), and one side, far away from the damping shock absorber (14), of the extrusion plate (15) is abutted to the buffer block (16).

4. The evacuation apparatus for a silicon carbide sintering furnace according to claim 1, wherein: the bottom of the base (1) is fixedly connected with a plurality of rubber blocks (17).

5. The evacuation apparatus for a silicon carbide sintering furnace according to claim 1, wherein: the utility model discloses a set of exhaust tube, including exhaust tube (11), mouth of pipe department, slide bar (19), bottom fixedly connected with connecting rod (21), the one end fixedly connected with anti-contrary board (22) of bracing piece (18) are kept away from in connecting rod (21), the mouth of pipe department of exhaust tube (11) is equipped with the spout that corresponds with bracing piece (18), fixedly connected with slide bar (19) in the spout, be equipped with the sliding opening that corresponds with bracing piece (18) on slide bar (19), the cover is equipped with second spring (20) on slide bar (19), the both ends of second spring (20) respectively with the inner wall fixed connection of bracing piece (18) and spout, the bottom fixedly connected with connecting rod (21) of bracing piece (18.