CN209944987U

CN209944987U - Vacuum sintering furnace for producing silicon carbide carbon ceramic products

Info

Publication number: CN209944987U
Application number: CN201920652162.1U
Authority: CN
Inventors: 宋炳善
Original assignee: Weifang Shengrun Special Ceramics Co Ltd
Current assignee: Weifang Shengrun Special Ceramics Co Ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-01-14
Anticipated expiration: 2029-05-08

Abstract

The utility model discloses a vacuum sintering furnace is used in production of carbon carborundum ceramic, including furnace body and cooler bin, the bottom fixedly connected with base of furnace body, one side fixedly connected with extension board of base, the top fixedly connected with water pump of extension board, one side fixedly connected with bottom plate of base, the top fixedly connected with support of bottom plate, the internal surface of support and the fixed surface of cooler bin are connected, and the furnace body divide into heating chamber and cooling chamber, the equal swing joint in both sides has the arc shell around the cooling chamber surface, the utility model relates to a vacuum sintering furnace technical field. This vacuum sintering furnace is used in production of carbon carborundum ceramic utilizes heating chamber, cooling chamber, slide bar, arc to place the cooperation between shell, the iron chain and can realize dividing into heating chamber and cooling chamber in a furnace body, makes its heating finish the back and makes it remove under the cooperation of arc shell and iron chain and heat the chamber and cool off, has improved cooling efficiency greatly, and then has improved work efficiency.

Description

Vacuum sintering furnace for producing silicon carbide carbon ceramic products

Technical Field

The utility model relates to a vacuum sintering furnace technical field specifically is a vacuum sintering furnace is used in production of carbon carborundum ceramic.

Background

The vacuum sintering furnace is a furnace for performing protective sintering on a heated object in a vacuum environment, and the heating mode is various, such as resistance heating, induction heating, microwave heating and the like. The vacuum sintering furnace is a furnace for performing protective sintering on a heated object by utilizing induction heating, can be divided into types of power frequency, medium frequency, high frequency and the like, and can be classified as a subclass of vacuum sintering furnaces. The vacuum induction sintering furnace is complete equipment for sintering hard alloy tool bits and various metal powder pressed bodies by utilizing the principle of medium-frequency induction heating under the condition of vacuum or protective atmosphere, and is designed for industrial production of hard alloys, metal dysprosium and ceramic materials. The main principle and the application are as follows: the vacuum sintering furnace is characterized in that under the protection state of filling hydrogen after vacuumizing, a tungsten crucible in a coil generates high temperature by utilizing the principle of medium-frequency induction heating, and the high temperature is conducted to work through thermal radiation, so that the vacuum sintering furnace is suitable for forming and sintering powder of refractory alloys such as tungsten, molybdenum and alloys thereof by scientific research and military industry units. The main functions are as follows: and filling hydrogen protective gas after vacuumizing, and controlling the pressure in the furnace and the sintering state of the atmosphere. The temperature can be continuously measured by an optical fiber infrared radiation thermometer and an armored thermocouple, and after the temperature is compared with a set program by an intelligent temperature controller, an execution state is selected and fed back to a medium-frequency power supply, and the temperature and the heat preservation program are automatically controlled.

When the vacuum sintering furnace is used for producing the silicon carbide ceramic product, the silicon carbide ceramic product needs to be heated and shaped, then is cooled and taken out, the conventional vacuum sintering furnace is cooled in the sintering furnace immediately after being heated, in order to improve the cooling efficiency, the circulating cooling is generally carried out through a water cooling cylinder on the inner surface of the sintering furnace, but the temperature inside the sintering furnace is still very high when the sintering furnace is cooled just after being heated, a long cooling time is still needed, and the working efficiency is relatively low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a vacuum sintering stove is used in production of carbon carborundum ceramic has solved current vacuum sintering stove and has all carried out circulative cooling through the water-cooling section of thick bamboo of fritting furnace internal surface usually, but just cools off at the fritting furnace that heats, and the temperature of the inside is still very high, still needs very long cooling time, problem under the work efficiency ratio.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a vacuum sintering furnace for producing carbon silicon carbide ceramic products comprises a furnace body and a cooling box, wherein the bottom of the furnace body is fixedly connected with a base, one side of the base is fixedly connected with a support plate, the top of the support plate is fixedly connected with a water pump, one side of the base is fixedly connected with a bottom plate, the top of the bottom plate is fixedly connected with a support, the inner surface of the support is fixedly connected with the outer surface of the cooling box, the furnace body is divided into a heating cavity and a cooling cavity, the front side and the rear side of the outer surface of the cooling cavity are respectively and movably connected with an arc-shaped shell, the outer surface of the arc-shaped shell is sleeved with a sleeve shell, the right side of the arc-shaped shell is fixedly connected with a handle, a sliding rod is fixedly connected between the tops of the heating cavity and the inner cavity of the cooling cavity through, the arc is placed both sides and all is provided with the connecting block around the shell, and one side of connecting block is provided with the iron chain, guide block fixed connection is passed through with one side of arc shell internal surface to the one end of iron chain.

Preferably, pulleys are arranged on the left side and the right side of the inner surface of the furnace body through the connecting frames, and the outer surfaces of the pulleys are in transmission connection with the outer surface of the iron chain.

Preferably, the bottom of the inner cavity of the furnace body is fixedly connected with a boundary arc shell, the inner surface of the boundary arc shell is connected with a heat insulation plate in a sliding mode, and the top of the heat insulation plate is fixedly connected with the inner surface of the arc shell.

Preferably, the inner surface of the cooling cavity is fixedly connected with an annular cooling cylinder through a support block, and the front side and the rear side of the annular cooling cylinder are respectively communicated with the cooling box through a water inlet pipe and a water outlet pipe.

Preferably, the inner surface of the casing is provided with a ball, and the outer surface of the ball is in rolling connection with the inner surface of the arc-shaped outer shell.

Preferably, two equal fixedly connected with kicking block, two of the left and right sides at arc shell top the equal fixedly connected with L shape fixture block in the relative one side of kicking block, the internal surface of L shape fixture block has the locking strip through the locking piece joint.

Advantageous effects

The utility model provides a vacuum sintering furnace is used in production of carbon carborundum ceramic. Compared with the prior art, the method has the following beneficial effects:

(1) the vacuum sintering furnace for producing the carbon silicon carbide ceramic product is divided into a heating cavity and a cooling cavity by a furnace body, the front side and the rear side of the outer surface of the cooling cavity are movably connected with arc-shaped shells, the outer surface of each arc-shaped shell is sleeved with a sleeve shell, the right side of each arc-shaped shell is fixedly connected with a handle, a sliding rod is fixedly connected between the tops of the heating cavity and the inner cavity of the cooling cavity through a support block, the outer surface of each sliding rod is fixedly connected with a connecting rod through a sliding sleeve, the bottom end of each connecting rod is fixedly connected with an arc-shaped placing shell, the front side and the rear side of each arc-shaped placing shell are respectively provided with a connecting block, one side of each connecting block is provided with an iron chain, one end of each iron chain is fixedly connected with one side of the inner surface of each arc-shaped shell through, make its heating accomplish the back make it remove the heating chamber and cool off under the cooperation of arc shell and iron chain, improved cooling efficiency greatly, and then improved work efficiency.

(2) This vacuum sintering stove is used in production of carbon carborundum ceramic, the equal fixedly connected with kicking block of the left and right sides through two arc shell tops, the equal fixedly connected with L shape fixture block in one side that two kicking blocks are relative, the internal surface of L shape fixture block has the locking bar through the locking block joint, utilize the kicking block, L shape fixture block, cooperation between locking block and the locking bar can lock two arc shells, make its heat insulating board keep apart the differentiation with heating chamber and cooling chamber, the removal of shell is placed through the arc to the article of also being convenient for simultaneously heating, and the operation is simple, high durability and convenient use.

Drawings

Fig. 1 is a schematic external structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of the annular cooling cylinder of the present invention;

FIG. 4 is a schematic view of the connection structure between the pulley and the furnace body;

FIG. 5 is a schematic structural view of the L-shaped fixture block and the top block of the present invention;

fig. 6 is a partially enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1-furnace body, 2-cooling box, 3-base, 4-support plate, 5-water pump, 6-bottom plate, 7-support, 8-heating cavity, 9-cooling cavity, 10-arc shell, 11-casing, 12-handle, 13-sliding rod, 14-sliding sleeve, 15-connecting rod, 16-arc placing shell, 17-connecting block, 18-iron chain, 19-pulley, 20-boundary arc shell, 21-heat-insulating plate, 22-annular cooling cylinder, 23-water inlet pipe, 24-water outlet pipe, 25-ball, 26-top block, 27-L-shaped fixture block, 28-locking block and 29-locking strip.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a vacuum sintering furnace for producing carbon silicon carbide ceramic products comprises a furnace body 1 and a cooling box 2, wherein a water inlet is arranged on the outer surface of the cooling box 2, pulleys 19 are arranged on the left side and the right side of the inner surface of the furnace body 1 through connecting frames, the outer surface of each pulley 19 is in transmission connection with the outer surface of an iron chain 18, the bottom of an inner cavity of the furnace body 1 is fixedly connected with a boundary arc shell 20, the shape and the size of the boundary arc shell 20 are not enough to block a channel of an arc placing shell 16, the inner surface of the boundary arc shell 20 is in sliding connection with a heat insulation plate 21, the heat insulation plate 21 is composed of two arc blocks, a clamping groove is arranged between the two arc blocks, the two clamping grooves are matched with each other and are enough for the iron chain 18 to pass through, the top of the clamping groove 21 is fixedly connected with the inner surface of the arc shell 10, the, the top of the support plate 4 is fixedly connected with a water pump 5, one side of the base 3 is fixedly connected with a bottom plate 6, the top of the bottom plate 6 is fixedly connected with a support 7, the inner surface of the support 7 is fixedly connected with the outer surface of the cooling box 2, the furnace body 1 is divided into a heating cavity 8 and a cooling cavity 9, the heating cavity 8, the cooling cavity 9, a sliding rod 13, an arc-shaped placing shell 16 and an iron chain 18 can be divided into the heating cavity 8 and the cooling cavity in one furnace body by utilizing the matching among the heating cavity 8, the heating cavity 9 is moved to the heating cavity 8 for cooling under the matching of the arc-shaped shell 10 and the iron chain 18 after heating is finished, the cooling efficiency is greatly improved, the working efficiency is further improved, the inner surface of the cooling cavity 9 is fixedly connected with an annular cooling cylinder 22 through a support block, the front side and the rear side of the annular cooling cylinder 22 are respectively communicated with the cooling box, the outer surface of the arc-shaped shell 10 is sleeved with a sleeve 11, the inner surface of the sleeve 11 is provided with a ball 25, the outer surface of the ball 25 is in rolling connection with the inner surface of the arc-shaped shell 10, the left side and the right side of the top of the two arc-shaped shells 10 are fixedly connected with ejector blocks 26, the two arc-shaped shells 10 can be locked by the cooperation of the ejector blocks 26, L-shaped fixture blocks 27, the locking blocks 28 and the locking strips 29, the heating cavity 8 and the cooling cavity 9 are separated and distinguished by a heat insulation plate 21, the movement of a heated object through the arc-shaped placing shell 16 is facilitated, the operation is simple, the use is convenient, the L-shaped fixture blocks 27 are fixedly connected to the opposite sides of the two ejector blocks 26, the locking strips 29 are clamped to the inner surface of the L-shaped fixture blocks 27 through the locking blocks 28, the handle 12 is fixedly connected to the right side of the arc-shaped shell 10, the surface of slide bar 13 passes through sliding sleeve 14 fixedly connected with connecting rod 15, and the shell is placed to the bottom fixedly connected with arc of connecting rod 15, and both sides all are provided with connecting block 17 around the shell is placed to the arc 16, and one side of connecting block 17 is provided with iron chain 18, and guide block fixed connection is passed through with one side of arc shell 10 internal surface to the one end of iron chain 18.

During operation, place the carborundum ceramic that needs the heating in the inside of arc placing shell 16, start the heating system of heating chamber 8 inside and heat it, after the heating, take off locking strip 29, drive handle 12, drive arc shell 10 and slide at the internal surface of cover 11, the guide block of arc shell 10 internal surface drives iron chain 18 and removes, and then drive arc placing shell 16 and remove to one side of cooling chamber 9, and simultaneously, arc shell 10 drives heat insulating board 21 and rotates, make heat insulating board 21 slide the internal surface of boundary arc shell 20, open the opening between heating chamber 8 and the cooling chamber 9, make arc placing shell 16 remove to cooling chamber 9 completely, restart water pump 5, make the inside water of cooler bin 2 circulate and flow in annular cooling cylinder 22, make its cooling.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a vacuum sintering furnace is used in production of silicon carbide ceramic, includes furnace body (1) and cooler bin (2), the bottom fixedly connected with base (3) of furnace body (1), and one side fixedly connected with extension board (4) of base (3), the top fixedly connected with water pump (5) of extension board (4), one side fixedly connected with bottom plate (6) of base (3), and the top fixedly connected with support (7) of bottom plate (6), the internal surface of support (7) is connected with the external fixed surface of cooler bin (2), its characterized in that: the furnace body (1) is divided into a heating cavity (8) and a cooling cavity (9), the front side and the rear side of the outer surface of the cooling cavity (9) are both movably connected with arc-shaped shells (10), a sleeve case (11) is sleeved on the outer surface of the arc-shaped shell (10), a handle (12) is fixedly connected to the right side of the arc-shaped shell (10), a sliding rod (13) is fixedly connected between the heating cavity (8) and the top of the inner cavity of the cooling cavity (9) through a support block, the outer surface of the sliding rod (13) is fixedly connected with a connecting rod (15) through a sliding sleeve (14), an arc-shaped placing shell (16) is fixedly connected at the bottom end of the connecting rod (15), connecting blocks (17) are arranged on the front side and the rear side of the arc-shaped placing shell (16), and one side of the connecting block (17) is provided with an iron chain (18), and one end of the iron chain (18) is fixedly connected with one side of the inner surface of the arc-shaped shell (10) through a guide block.

2. The vacuum sintering furnace for producing silicon carbide carbon ceramic products according to claim 1, wherein: pulleys (19) are arranged on the left side and the right side of the inner surface of the furnace body (1) through connecting frames, and the outer surface of each pulley (19) is in transmission connection with the outer surface of the iron chain (18).

3. The vacuum sintering furnace for producing silicon carbide carbon ceramic products according to claim 1, wherein: the furnace body (1) is characterized in that the bottom of an inner cavity of the furnace body (1) is fixedly connected with a boundary arc shell (20), the inner surface of the boundary arc shell (20) is connected with a heat insulation plate (21) in a sliding mode, and the top of the heat insulation plate (21) is fixedly connected with the inner surface of the arc shell (10).

4. The vacuum sintering furnace for producing silicon carbide carbon ceramic products according to claim 1, wherein: the inner surface of the cooling cavity (9) is fixedly connected with an annular cooling cylinder (22) through a support block, and the front side and the rear side of the annular cooling cylinder (22) are respectively communicated with the cooling box (2) through a water inlet pipe (23) and a water outlet pipe (24).

5. The vacuum sintering furnace for producing silicon carbide carbon ceramic products according to claim 1, wherein: the inner surface of the shell (11) is provided with a ball (25), and the outer surface of the ball (25) is in rolling connection with the inner surface of the arc-shaped shell (10).

6. The vacuum sintering furnace for producing silicon carbide carbon ceramic products according to claim 1, wherein: two equal fixedly connected with kicking block (26) in the left and right sides at arc shell (10) top, two equal fixedly connected with L shape fixture block (27) in the relative one side of kicking block (26), the internal surface of L shape fixture block (27) has locking strip (29) through locking piece (28) joint.