CN114770833A - Anti-settling device and method for epoxy resin and micron aluminum oxide composite material - Google Patents

Abstract

The invention discloses an anti-settling device and an anti-settling method for an epoxy resin and micron alumina composite material, wherein the anti-settling device for the epoxy resin and micron alumina composite material comprises a drying oven with a drying cavity, an air extraction valve communicated with the drying cavity, an air inlet valve communicated with the drying cavity, a mixer arranged in the drying cavity and a mold rotatably arranged in the drying cavity; the rotation axis of the mould is horizontally arranged. The invention can carry out mixing, heating and heat preservation, vacuum degassing, sample sheet pouring and curing on the epoxy resin and micron alumina composite material, can prevent micron alumina from settling in the curing process, ensures the insulating property of the epoxy resin and micron alumina composite material, and belongs to the technical field of composite materials.

Description

Anti-settling device and method for epoxy resin and micron aluminum oxide composite material

Technical Field

The invention relates to the technical field of composite materials, in particular to an anti-settling device and an anti-settling method for an epoxy resin and micron aluminum oxide composite material.

Background

The high-voltage power transmission and transformation system is high in voltage level, large in electric energy transmission capacity and wide in user coverage, and the fault rate of electrical equipment of a transformer substation needs to be controlled to be extremely low. The traditional open-type transformer substation is mainly insulated by air, is easily influenced by external environment, has relatively high fault rate, and has the rapidly increased floor area along with the improvement of the transmission voltage grade. Gas Insulated Switchgear (GIS) combines the primary equipment design except the transformer in the transformer substation into a whole, and has high operation reliability, long overhaul period and small floor area, and is applied more and more widely. However, the GIS device basin-type insulator has a high failure rate, the design service life of the basin-type insulator is usually over 20 years, the design insulation capacity is far higher than the actual operating voltage, statistics on the failed basin-type insulator shows that most discharge failures often occur within 1-2 years of installation and operation, and the known reasons for causing the failures of the basin-type insulator include failures caused by bubble defects, conductive impurities, stress cracking and the like, so that the safe and stable operation of a power system is seriously threatened.

The epoxy composite insulating material is a key material for manufacturing an insulating part of gas insulated switchgear, the raw materials of the basin-type insulator are epoxy resin, an anhydride curing agent and alpha-micron alumina filler, the micron alumina filler is one of the main components of the epoxy composite insulating material, the content of the micron alumina filler exceeds sixty percent, and the performance of the material is obviously influenced. However, since the density of the micron alumina filler is 3-4 times of that of the epoxy resin, the micron alumina filler is easy to settle in the curing and forming process of the insulating part, so that the local performance of the insulating part is different, and the failure risk coefficient of the insulating part is increased.

Disclosure of Invention

Aiming at the technical problems in the prior art, the invention aims to: the anti-settling device for the epoxy resin and micron alumina composite material can be used for mixing, heating, preserving heat, vacuum degassing, sample sheet pouring and curing the epoxy resin and micron alumina composite material, can prevent the micron alumina from settling in the curing process, and ensures the insulating property of the epoxy resin and micron alumina composite material.

In order to achieve the purpose, the invention provides an anti-settling device for an epoxy resin and micron alumina composite material, which comprises an oven with a drying cavity, an air suction valve communicated with the drying cavity, an air inlet valve communicated with the drying cavity, a mixer arranged in the drying cavity and a mold rotatably arranged in the drying cavity, wherein the air suction valve is arranged on the inner side of the oven; the rotation axis of the die is horizontally arranged.

Further, the mixer comprises a rotating rod rotatably mounted on the oven and a mixing table which is provided with a first cavity and mounted on the rotating rod; the mixing table is located in the drying cavity, a first air vent is formed in the mixing table, and the first containing cavity is communicated with the drying cavity through the first air vent.

Further, the mixer further comprises a container placed in the first cavity; the container is provided with a second cavity for containing the composite material and a second vent communicated with the second cavity; the mixing table comprises a cover body arranged on the rotating rod and a cover body detachably arranged on the cover body; the first containing cavity is arranged on the cover body and communicated with the second containing cavity through the second vent hole.

Furthermore, the anti-settling device made of the epoxy resin and micron alumina composite material further comprises a first driver for driving the rotating rod to rotate; the first driver comprises a first motor, a first bevel gear which is connected with an output shaft of the first motor and synchronously rotates, and a second bevel gear which is connected with the rotating rod and synchronously rotates; the first bevel gear is meshed with the second bevel gear.

Furthermore, the anti-settling device of the epoxy resin and micron alumina composite material also comprises a second driver for driving the die to rotate; the second driver comprises a first supporting beam, a second supporting beam arranged at an interval with the first supporting beam, a first rotating shaft rotatably mounted on the first supporting beam, a second rotating shaft rotatably mounted on the second supporting beam, and a second motor in transmission connection with the second rotating shaft; the first rotating shaft and the second rotating shaft are respectively horizontally arranged, one end of the mold is connected with the first rotating shaft, and the other end of the mold is connected with the second rotating shaft.

Furthermore, a first gear is arranged on an output shaft of the second motor, and a second gear meshed with the first gear is mounted on the second rotating shaft.

Further, the anti-settling device made of the epoxy resin and micron alumina composite material further comprises a switching button for switching the first motor and the second motor, a speed regulating button for regulating the rotating speed of the first motor and the rotating speed of the second motor, an emergency braking button for controlling the first motor and the second motor, and a motor rotating speed display; the emergency braking button, the motor rotating speed display, the switching button and the speed regulating button are respectively arranged on the oven.

Furthermore, the anti-settling device of the epoxy resin and micron alumina composite material further comprises a pressure gauge for detecting the air pressure of the drying cavity, a temperature adjusting knob for adjusting the temperature of the drying cavity and a temperature display; the pressure gauge, the temperature adjusting knob and the temperature display are respectively arranged on the oven.

Further, the mold comprises a casting mold body, a first clamping plate, a second clamping plate and a sealing cover; the casting mold body is clamped between the first clamping plate and the second clamping plate, and the sealing cover is installed on the casting mold body.

Correspondingly, the invention also provides an anti-settling method of the epoxy resin and micron alumina composite material, which is applied to the anti-settling device of the epoxy resin and micron alumina composite material, and the anti-settling method comprises the following steps:

s1: putting the micron alumina filler in the oven for drying;

s2: weighing epoxy resin, adding the micron aluminum oxide obtained in S1, uniformly stirring, adding a curing agent, and further uniformly stirring to obtain a composite material;

s3: putting the composite material into the mixer, extracting air in the drying cavity to perform vacuum degassing on the composite material, and starting the mixer to fully mix the composite material;

s4: pouring the fully mixed composite material into the mold;

s5: and extracting air in the drying cavity, driving the mold to rotate, and starting the oven to heat at the same time, so that the composite material in the mold is heated and cured.

Compared with the prior art, the invention has the beneficial effects that: the anti-settling device for the epoxy resin and micron alumina composite material can be used for mixing, heating and insulating, vacuum degassing, sample sheet pouring and curing the epoxy resin and micron alumina composite material, and the mixing, heating and insulating, vacuum degassing, sample sheet pouring and curing can be carried out in the anti-settling device, so that the anti-settling device is safe, efficient, rapid and convenient, the sample sheet manufacturing process of the insulating part is simplified, the manufacturing efficiency is improved, and the cost is greatly reduced. The epoxy resin and the micron aluminum oxide can be uniformly distributed in the composite material, in the curing process, in order to prevent the micron aluminum oxide from settling due to static, the control mold slowly rotates to ensure that the micron aluminum oxide cannot settle to the bottom of the composite material in the composite material, the epoxy resin and the micron aluminum oxide can be uniformly distributed in the curing process in the composite material, and the insulating property of the epoxy resin and the micron aluminum oxide composite material is further ensured.

Drawings

FIG. 1 is a schematic structural diagram of an anti-settling device made of an epoxy resin and micron alumina composite material;

FIG. 2 is a schematic diagram of a first driver and mixer;

fig. 3 is a schematic structural view of the second driver and the mold.

In the figure, 1, an oven; 2. an air extraction valve; 3. an intake valve; 4. a mold; 5. a mixer; 6. a first driver; 7. a second driver; 8. a switch button; 9. a speed regulating button; 10. an emergency brake button; 11. a motor rotation speed display; 12. a pressure gauge; 13. a temperature adjusting knob; 14. a temperature display;

101. a drying cavity; 401. pouring a mould body; 402. a first splint; 403. a second splint; 404. sealing the cover; 501. a rotating rod; 502. a first cavity; 503. a mixing table; 504. a first vent hole; 601. a first motor; 602. a first bevel gear; 603. a second bevel gear; 604. a deep groove ball bearing; 605. a bearing cap; 606. a first base; 701. a second motor; 702. a first support beam; 703. a second support beam; 704. a first rotating shaft; 705. a second rotating shaft; 706. a first gear; 707. a second gear; 708. a second base; 709. a first bearing; 710. a second bearing;

5031. a cover body; 5032. a cover body.

Detailed Description

The following detailed description of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "in communication with" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

In the description of the invention, it is to be understood that the terms "first", "second", etc. are used in the invention to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the invention.

For convenience of description, unless otherwise noted, the up-down direction described below coincides with the up-down direction of fig. 1 itself, and the left-right direction described below coincides with the left-right direction of fig. 1 itself.

As shown in fig. 1 to fig. 3, the present embodiment provides an anti-settling device for epoxy resin and micro-alumina composite material, comprising an oven 1 having a drying cavity 101, an air suction valve 2 mounted on the oven 1 and communicated with the drying cavity 101, an air inlet valve 3 mounted on the oven 1 and communicated with the drying cavity 101, a mixer 5 mounted in the drying cavity 101, and a mold 4 rotatably mounted in the drying cavity 101; the axis of rotation of the mould 4 is arranged horizontally. The air suction valve 2 is used for sucking air in the drying cavity 101 to form vacuum in the drying cavity 101, and the air inlet valve 3 is used for allowing air to enter the drying cavity 101 to release the vacuum state in the drying cavity 101. The mixer 5 is used to mix the epoxy resin and the micron alumina thoroughly to form the composite material for making the insulating piece sample. The mold 4 may cure the composite material into an insulation sample. In the prior art, a static mould 4 is generally adopted to wait for the composite material to be cured, the mould 4 can be driven to rotate slowly, and micron alumina in the composite material is uniformly distributed in the composite material under the action of gravity in the process of overturning the mould 4 and cannot be settled to the bottom of the mould 4.

Specifically, in some embodiments, the material mixer 5 includes a rotating rod 501 rotatably mounted on the oven 1, and a material mixing table 503 having a first cavity 502 and mounted on the rotating rod 501; epoxy and micron alumina can be placed in the first chamber 502 of the mixing platform 503, and the mixing platform 503 is driven to rotate by driving the rotating rod 501, so that the epoxy and the micron alumina can be uniformly mixed by utilizing the action of centrifugal force. The mixing table 503 is located in the drying cavity 101, a first vent hole 504 is formed in the mixing table 503, the first accommodating cavity 502 is communicated with the drying cavity 101 through the first vent hole 504, before epoxy resin and micron alumina are mixed, the first vent hole 504 is blocked through a ventilating piece such as gauze, air in the first vent hole 504 and the drying cavity 101 is pumped out, and therefore mixing of the epoxy resin and the micron alumina is achieved under the vacuum condition.

In particular, in some embodiments, the mixer 5 further comprises a container placed in the first cavity; the container is provided with a second cavity for containing the composite material and a second vent hole communicated with the second cavity; the mixing table 503 comprises a cover 5031 arranged on the rotating rod 501 and a cover 5032 detachably arranged on the cover 5031 through bolts and nuts; the first cavity 502 is arranged on the cover 5031, and the first cavity 502 is communicated with the second cavity through a second vent hole. The epoxy resin and the micron alumina can be pre-filled into the second containing cavity of the container, the container is placed in the first containing cavity 502 of the mixing table 503, and the second vent hole of the container for containing the epoxy resin and the micron alumina is blocked by breathable gauze, so that the epoxy resin and the micron alumina are prevented from flowing out of the drying cavity 101 from the first vent hole 504 and the second vent hole while the epoxy resin and the micron alumina are mixed under a vacuum condition.

Specifically, in some embodiments, the cover 5031 is disk-shaped and the cover 5032 is cone-shaped. The arc surface of the housing 5032 has three cylinders for holding the container, each cylinder has a first cavity 502, and the three cylinders are uniformly distributed along the axis of the housing 5032 at intervals, so that the centrifugal force applied to the composite material in the first cavities 502 of the three cylinders is greater when the cover rotates. The first vent 504 is disposed on the cylinder of the cover 5031 and is communicated with the first cavity 502. The mouth of the container holding the epoxy and the micro alumina utilizes a breathable gauze to prevent the composite material from flowing out and dust from entering the mixed material in the container.

Specifically, in some embodiments, the anti-settling device made of the epoxy resin and micron alumina composite material further comprises a first driver 6 for driving the rotating rod 501 to rotate; the first driver 6 comprises a first motor 601, a first bevel gear 602 connected with the output shaft of the first motor 601 and rotating synchronously, and a second bevel gear 603 connected with the rotating rod 501 and rotating synchronously; the first bevel gear 602 meshes with the second bevel gear 603.

Specifically, in some embodiments, the first driver 6 further includes a first base 606 fixed on top of the oven 1 and used for fixing the first motor 601, a deep groove ball bearing 604, and a bearing upper cover. The axes of the first bevel gear 602 and the output shaft of the first motor 601 are respectively arranged horizontally, and the axes of the second bevel gear 603 and the rotating rod 501 are both arranged vertically, so that the torque of the first motor 601 in the horizontal direction is converted into the torque in the vertical direction. The first bevel gear 602 is fixed to an output shaft of the first motor 601 by a bolt. The second bevel gear 603 is fixed to the output shaft of the rotary rod 501 by bolts. The upper end of the rotary rod 501 is located on the oven 1 and connected with the second bevel gear 603, and the lower end of the rotary rod 501 passes through the oven 1 and is located in the drying cavity 101. The bottom end of the outer ring of the deep groove ball bearing 604 is fixed on the top of the oven 1, and the bearing cover 605 is fixed on the top of the oven 1 and covers the deep groove ball bearing 604. The top end of the inner ring of the deep groove ball bearing 604 supports the rotating rod 501 and rotates together with the rotating rod 501.

Specifically, in some embodiments, the anti-settling device of the epoxy resin and micro alumina composite material further comprises a second driver 7 for driving the mold 4 to rotate. The second driver 7 comprises a first support beam 702, a second support beam 703 arranged at an interval with the first support beam 702, a first rotating shaft 704 rotatably mounted on the first support beam 702, a second rotating shaft 705 rotatably mounted on the second support beam 703, and a second motor 701 in transmission connection with the second rotating shaft 705; the first rotating shaft 704 and the second rotating shaft 705 are horizontally disposed, respectively, one end of the mold 4 is connected to the first rotating shaft 704, and the other end of the mold 4 is connected to the second rotating shaft 705. The first rotating shaft 704 and the second rotating shaft 705 are respectively horizontally arranged and located on the same straight line, and the second motor 701 drives the mold 4 to rotate.

Specifically, in some embodiments, the second driver 7 further includes a second base 708 fixed in the drying chamber 101 and used for mounting the second motor 701, a first bearing 709 mounted on the first support beam 702, and a second bearing 710 mounted on the second support beam 703. The first rotary shaft 704 is mounted on a first bearing 709, and the second rotary shaft 705 is mounted on a second bearing 710.

Specifically, in some embodiments, a first gear 706 is disposed on the output shaft of the second motor 701, and a second gear 707 engaged with the first gear 706 is mounted on the second rotating shaft 705. The first gear 706 is mounted on the output shaft of the second motor 701 by a flat key and the first gear 706 is prevented from sliding axially by a threaded fastener, and the axes of the first gear 706 and the second gear 707 are both horizontally disposed.

Specifically, in some embodiments, the anti-settling device of the epoxy resin and micron alumina composite material further comprises a switching button 8 for switching the first motor 601 and the second motor 701, a speed regulating button 9 for regulating the rotating speed of the first motor 601 and the rotating speed of the second motor 701, an emergency braking button 10 for controlling the first motor 601 and the second motor 701, and a motor rotating speed display 11; an emergency braking button 10, a motor rotating speed display 11, a switching button 8 and a speed regulating button 9 are respectively arranged on the oven 1. The motor speed display 11 may display the rotational speeds of the first motor 601 and the second motor 701. The switching button 8 can switch whether the motor to be controlled is the first motor 601 or the second motor 701. The emergency brake button 10 ensures braking of the first motor 601 and the second motor 701 in an emergency, and the speed regulating button 9 is a knob which can control the rotating speed of the first motor 601 and the second motor 701.

Specifically, in some embodiments, the anti-settling device of the epoxy resin and micron alumina composite material further includes a pressure gauge 12 for detecting the air pressure of the drying chamber 101, a temperature adjustment knob 13 for adjusting the temperature of the drying chamber 101, and a temperature display 14; the pressure gauge 12, the temperature adjusting knob 13 and the temperature display 14 are respectively arranged on the oven 1. The pressure gauge 12 displays the gas pressure in the drying chamber 101, the temperature adjusting knob 13 is used for controlling the temperature in the drying chamber 101, and the temperature display 14 is used for displaying the temperature in the drying chamber 101.

Specifically, in some embodiments, the mold 4 includes a casting mold body 401, a first clamp plate 402, a second clamp plate 403, and a cover 404; the injection mold 4 body has a sprue gate. The casting mold body 401 is sandwiched between a first clamping plate 402 and a second clamping plate 403, and a cover 404 is mounted on the casting mold body 401 and covers the sealing gate. A first clamp plate 402 is installed on the upper end surface of the body of the injection mold 4, and a second clamp plate 403 is installed on the lower end surface of the body of the injection mold 4. The left end of the body of the injection mold 4 is connected to the first rotating shaft 704, and the right end of the body of the injection mold 4 is connected to the second rotating shaft 705.

Another embodiment of the present invention provides a method for preventing sedimentation of an epoxy resin and micron alumina composite material, which is applied to the above-mentioned anti-sedimentation device of an epoxy resin and micron alumina composite material, the anti-sedimentation device is shown in fig. 1 to 3, and the anti-sedimentation method includes the following steps:

s1: the micron alumina filler was dried in oven 1. The drying temperature is 140 ℃ and the drying time is eight hours.

S2: weighing epoxy resin, adding the micron alumina obtained in S1, uniformly stirring, then adding a curing agent, and further uniformly stirring to obtain a composite material; wherein the weighed epoxy resin is 100 g, the weighed micron alumina is 300 g, and 40g of curing agent is added after the epoxy resin and the micron alumina are uniformly stirred by a glass rod.

S3: the blender mixer is placed with combined material, extracts the air in the stoving chamber 101 for combined material carries out vacuum degassing, starts the blender mixer and rotates, utilizes centrifugal force to make the material mix more evenly, makes combined material intensive mixing. Wherein, the composite material is firstly put into a prepared container and then put on a mixer; the mixer is rotated and mixed for 10min under the vacuum condition of 120 ℃, and the rotating speed is 1000 rad/min.

S4: pouring the fully mixed composite material into a mould 4 from a pouring gate; and sealing the pouring gate of the mold 4 and then installing the sealed pouring gate at a corresponding position.

S5: air in the drying cavity 101 is extracted, and the oven 1 is started to heat while the mold 4 is driven to rotate, so that the composite material in the mold 4 is heated and cured.

In step S5, heat curing is performed in the oven 1 at 140 ℃ in vacuum, during which time the second motor 701 in the oven 1 is started to drive the mold 4 to rotate, physical anti-settling is realized by using the gravity effect, uniform distribution of components in the composite material is ensured, and a final cured product sample is obtained after curing for 24 hours.

In general, the invention has simple operation and convenient use. All parts of the invention can be disassembled, which is convenient for maintaining and replacing parts. The anti-settling device has multiple functions of mixing, heating and insulating, vacuum degassing, sample piece pouring, curing anti-settling and the like on the epoxy resin and micron alumina composite material. The anti-settling device can realize simultaneous and separate vacuum degassing mixing and solidification anti-settling, realizes mutual independence of parts with two functions, does not limit a mould to one type, and has strong flexibility; in addition, the parts in the oven can be disassembled to realize the function of a common vacuum drying oven.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides an epoxy and micron alumina combined material prevent subsiding device which characterized in that: the device comprises an oven with a drying cavity, an air extraction valve communicated with the drying cavity, an air inlet valve communicated with the drying cavity, a mixer arranged in the drying cavity, and a mold rotatably arranged in the drying cavity; the rotation axis of the die is horizontally arranged.

2. The anti-settling device of the epoxy resin and micron alumina composite material as claimed in claim 1, wherein: the mixer comprises a rotating rod rotatably mounted on the oven and a mixing table which is provided with a first cavity and mounted on the rotating rod; the mixing table is located in the drying cavity, a first air vent is formed in the mixing table, and the first containing cavity is communicated with the drying cavity through the first air vent.

3. The anti-settling device of the epoxy resin and micron alumina composite material as claimed in claim 2, wherein: the mixer also comprises a container placed in the first cavity; the container is provided with a second cavity for containing the composite material and a second vent communicated with the second cavity; the mixing table comprises a cover body arranged on the rotating rod and a cover body detachably arranged on the cover body; the first containing cavity is arranged on the cover body and is communicated with the second containing cavity through the second vent hole.

4. The anti-settling device of the epoxy resin and micron alumina composite material as claimed in claim 2, wherein: the first driver is used for driving the rotating rod to rotate; the first driver comprises a first motor, a first bevel gear which is connected with an output shaft of the first motor and synchronously rotates, and a second bevel gear which is connected with the rotating rod and synchronously rotates; the first bevel gear is meshed with the second bevel gear.

5. The anti-settling device of the epoxy resin and micron alumina composite material as claimed in claim 4, wherein: the second driver is used for driving the die to rotate; the second driver comprises a first supporting beam, a second supporting beam arranged at an interval with the first supporting beam, a first rotating shaft rotatably mounted on the first supporting beam, a second rotating shaft rotatably mounted on the second supporting beam, and a second motor in transmission connection with the second rotating shaft; the first rotating shaft and the second rotating shaft are respectively horizontally arranged, one end of the mold is connected with the first rotating shaft, and the other end of the mold is connected with the second rotating shaft.

6. The anti-settling device of the epoxy resin and micron alumina composite material as claimed in claim 5, wherein: and a first gear is arranged on an output shaft of the second motor, and a second gear meshed with the first gear is installed on the second rotating shaft.

7. The anti-settling device of the epoxy resin and micron alumina composite material as claimed in claim 5, wherein: the emergency braking device comprises a first motor, a second motor, a switching button, a speed regulating button, an emergency braking button and a motor speed display, wherein the switching button is used for switching the first motor and the second motor, the speed regulating button is used for regulating the rotating speed of the first motor and the rotating speed of the second motor, the emergency braking button is used for controlling the first motor and the second motor, and the motor rotating speed display is arranged; the emergency braking button, the motor rotating speed display, the switching button and the speed regulating button are respectively arranged on the oven.

8. The anti-settling device of the epoxy resin and micron alumina composite material as claimed in claim 1, wherein: the temperature control device also comprises a pressure gauge for detecting the air pressure of the drying cavity, a temperature adjusting knob for adjusting the temperature of the drying cavity and a temperature display; the pressure gauge, the temperature adjusting knob and the temperature display are respectively arranged on the oven.

9. The anti-settling device of the epoxy resin and micron alumina composite material as claimed in claim 1, wherein: the mold comprises a casting mold body, a first clamping plate, a second clamping plate and a sealing cover; the casting mould body is clamped between the first clamping plate and the second clamping plate, and the sealing cover is installed on the casting mould body.

10. An anti-settling method of an epoxy resin and micron alumina composite material is characterized in that: an anti-settling device applied to the epoxy resin and micron alumina composite material as claimed in any one of claims 1 to 9, comprising the following steps:

s1: putting the micron alumina filler in the oven for drying;

s2: weighing epoxy resin, adding the epoxy resin into the micron alumina obtained in S1, uniformly stirring, then adding a curing agent, and further uniformly stirring to obtain a composite material;

s3: putting the composite material into the mixer, extracting air in the drying cavity to perform vacuum degassing on the composite material, and starting the mixer to fully mix the composite material;

s4: pouring the fully mixed composite material into the mold;

s5: and extracting air in the drying cavity, driving the mold to rotate, and starting the oven to heat at the same time, so that the composite material in the mold is heated and cured.

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