CN215429044U

CN215429044U - Integrated preparation device of heat-conducting composite material

Info

Publication number: CN215429044U
Application number: CN202121856790.5U
Authority: CN
Inventors: 何建忠; 李颖; 曹亚萍; 华志盼; 曹义; 马献华; 杨旭林
Original assignee: Wuxi Jiade Composite Material Co ltd
Current assignee: Wuxi Jiade Composite Material Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-01-07
Anticipated expiration: 2031-08-09

Abstract

The utility model discloses an integrated preparation device of a heat-conducting composite material, which comprises a first kettle body, a second kettle body, a third kettle body and a vacuum device, wherein a feeding port is arranged on the upper side of the first kettle body, a feeding hopper is arranged on the upper side of the feeding port, a sealing cover is arranged at the top of the feeding hopper to improve the sealing effect of the first kettle body, a stirrer is arranged at the top of the first kettle body, polytetrafluoroethylene is used as a kettle body material, the corrosion damage of a metal material can be avoided, and the vacuum can not be kept; a heating system is arranged in the kettle body, so that the increase of the viscosity of the resin and the generation of hidden danger are avoided; the device is provided with a feeding hopper, so that the vacuum can be prevented from being damaged during later feeding, and the air outlets of the first kettle body and the third kettle body are arranged above the feeding hopper, so that redundant resin is prevented from being sucked into a vacuum system; the kettle body II is provided with a detachable baffle plate, so that samples can be conveniently placed and collected, the discharging is smooth, and the product residue is less; and the heating device in the kettle II can realize resin curing, simplify the production process flow and shorten the production time.

Description

Integrated preparation device of heat-conducting composite material

Technical Field

The utility model relates to the technical field of resin synthesis devices, in particular to an integrated preparation device for a heat-conducting composite material.

Background

In the synthesis process of the novel unsaturated resin heat-conducting composite material, the flowing unsaturated resin monomer and the curing agent are required to be poured into the pre-built three-dimensional porous heat-conducting filler under the conditions of vacuum and high temperature. The unsaturated resin with certain viscosity is easy to generate bubbles, and the structure of the three-dimensional porous heat-conducting filler can be damaged due to uneven pressure flow. The existing synthesis device is generally formed by connecting an independent vacuum pump and a sealed cavity device.

The existing synthesis device has the following defects: (1) the sealed cavity has no heating function, so that the viscosity of the unsaturated resin is easily increased; (2) the sealed cavity has no stirring function, so that the uneven mixing of the resin and the curing agent is easily caused; (3) the sealing cavity is made of metal, so that the sealing cavity is easy to oxidize and corrode after long-term use, and accidents are easy to cause in the vacuum pumping process, so that the sealing cavity is a great potential safety hazard; (4) the sealed cavity is not provided with a feeding system, unsaturated resin and a curing agent need to be added separately or mixed well in advance and then added into the sealed cavity, so that the viscosity of the resin is difficult to control, and even the three-dimensional porous heat-conducting filler can be damaged. Therefore, the present invention provides an integrated apparatus for preparing a heat-conducting composite material, so as to solve the problems mentioned in the background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an integrated preparation device of a heat-conducting composite material, which aims to solve the problems in the background technology.

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

an integrated preparation device of a heat-conducting composite material comprises a kettle body I, a kettle body II, a kettle body III and a vacuum device, wherein a feeding port is formed in the upper side of the kettle body I, a feeding hopper is arranged on the upper side of the feeding port, a stirrer is arranged at the top of the kettle body I and is an anchor stirrer, the stirrer comprises a motor, the motor is connected with a stirring shaft, a plurality of groups of cross beams are uniformly arranged at the middle position outside the stirring shaft, the stirring and mixing effects are enhanced, material settlement and reaction material unbalance are avoided, the product quality is improved, and the reaction time is shortened;

the material of the first kettle body, the third kettle body and the second kettle body is polytetrafluoroethylene, a first discharge port is arranged at the middle position of the bottom of the first kettle body, a second top plate of the first kettle body is connected with the first discharge port, a detachable baffle is arranged at the middle position of the bottom of the second kettle body, a second discharge port is arranged at the middle part of the baffle, a spongy cushion is arranged at the top of the second discharge port, the spongy cushion is used for placing porous heat-conducting filler, a third kettle body is connected with the second discharge port, a pipeline is arranged at the top end of one side of the third kettle body and the first kettle body, the pipeline passes through a three-way valve connection vacuum device, and the first kettle body, the second kettle body and the third kettle body are all connected with the support frame.

As a further scheme of the utility model, the middle parts of the front surface and the back surface of the first kettle body and the second kettle body are respectively provided with a first observation window and a second observation window for observing the internal conditions.

As a further scheme of the utility model, a sealing cover is arranged at the top of the feeding hopper so as to improve the sealing effect of the first kettle body.

As a further scheme of the utility model, the feeding hopper is rotationally connected with a conveying blade, the outer side of the lower end of the conveying blade is connected with a belt pulley, and the belt pulley is connected with a stirring shaft through a belt.

As a further scheme of the utility model, the bottom of the feeding hopper is provided with an adjusting switch, and the lower side of the feeding hopper is provided with a feeding port.

As a further aspect of the present invention, the adjusting switch is two mutually hinged semicircular rings for controlling the size of the opening.

As a further scheme of the utility model, the middle part of the outer side of the kettle body is provided with a mounting ring, and the mounting ring is connected with the support frame.

Compared with the prior art, the utility model has the beneficial effects that:

1. the polytetrafluoroethylene is used as the kettle body material, so that the corrosion damage of the metal material can be avoided, and the vacuum can not be maintained; a heating system is arranged in the kettle body, so that the increase of the viscosity of the resin and the generation of hidden danger are avoided; the device is provided with a feeding hopper, so that the vacuum can be prevented from being damaged in later feeding;

2. the air outlets of the first kettle body and the third kettle body are arranged above the first kettle body and the third kettle body, so that redundant resin is prevented from being sucked into a vacuum system; the kettle body II is provided with a detachable baffle plate, so that samples can be conveniently placed and collected, the discharging is smooth, and the product residue is less; and the heating device in the kettle II can realize resin curing, simplify the production process flow and shorten the production time.

Drawings

Fig. 1 is a schematic structural diagram of an integrated preparation device for a heat-conducting composite material.

FIG. 2 is a schematic structural diagram of a kettle body I in the integrated preparation device for the heat-conducting composite material.

Fig. 3 is a schematic sectional structure view of a feeding hopper in the integrated preparation device for the heat-conducting composite material.

Fig. 4 is a schematic structural diagram of an adjusting switch in an integrated preparation device for a heat-conducting composite material.

In the figure: 1. a first kettle body; 2. a first observation window; 3. a stirrer; 4. a first heating coil; 5. a first discharge hole; 6. a second kettle body; 7. a second observation window; 8. a second heating coil; 9. a discharge hole II; 10. a kettle body III;

11. a pipeline; 12. a support frame; 13. a motor; 14. a stirring shaft; 15. a material injection port; 16. a feeding hopper; 17. a baffle plate; 18. a sponge cushion; 19. a vacuum device; 20. a belt;

21. transporting the leaves; 22. and adjusting the switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, in the embodiment of the present invention, an integrated preparation apparatus for a heat-conducting composite material includes a first kettle body 1, a second kettle body 6, a third kettle body 10, and a vacuum apparatus 19, wherein a feeding port 15 is disposed on an upper side of the first kettle body 1, a feeding hopper 16 is disposed on an upper side of the feeding port 15, an observation window a 2 and an observation window b 7 for observing an internal condition are respectively disposed at a front side and a middle portion of a back side of the first kettle body 1 and the second kettle body 6, a sealing cover is mounted on a top of the feeding hopper 16 to improve a sealing effect of the first kettle body 1, a stirrer 3 is disposed on a top of the first kettle body 1, the stirrer 3 is an anchor stirrer, the stirrer 3 includes a motor 13, the motor 13 is connected with a stirring shaft 14, a plurality of sets of beams are uniformly disposed at a middle position outside the stirring shaft 14, so as to enhance a stirring and mixing effect, prevent material sedimentation and reaction material imbalance, and improve product quality, the reaction time is shortened;

the material of the first kettle body 1, the third kettle body 10 and the second kettle body 6 is polytetrafluoroethylene, a first discharge outlet 5 is arranged at the middle position of the bottom of the first kettle body 1, the first discharge outlet 5 is connected with the middle position of a top plate of the second kettle body 6, the bottom of the second kettle body 6 is a detachable baffle 17, the middle part of the baffle 17 is a second discharge outlet 9, a sponge cushion 18 is arranged at the top of the second discharge outlet 9, the sponge cushion 18 is used for placing porous heat-conducting filler, the second discharge outlet 9 is connected with the third kettle body 10, pipelines 11 are arranged at the top ends of one sides of the third kettle body 10 and the first kettle body 1, the pipelines 11 are connected with a vacuum device 19 through a three-way valve, the first kettle body 1, the second kettle body 6 and the third kettle body 10 are all connected with a support frame 12, and a mounting ring is arranged at the middle part outside the first kettle body 1, the mounting ring is connected with the support frame 12;

the feeding hopper 16 is rotatably connected with a conveying blade 21, the outer side of the lower end of the conveying blade 21 is connected with a belt pulley, the belt pulley is connected with a stirring shaft 14 through a belt 20, the bottom of the feeding hopper 16 is provided with an adjusting switch 22, and the lower side of the feeding hopper 16 is provided with a feeding port 15.

The adjusting switch 22 is two mutually hinged semicircular rings for controlling the size of the opening.

The working principle of the utility model is as follows: aiming at the typical molding process (feeding, mixing, pouring, curing and demolding) of resin under medium-high temperature reaction conditions, the utility model specifically explains the working principle of the utility model with multiple purposes.

Feeding: before feeding, place each raw materials in feeding hopper 16, adjust the speed of feeding through regulating switch 22, throw into the curing agent from feeding hopper 16 to close its regulating switch 22, open sprue 15, close baffle 17, open agitator 3, motor 13 drive (mixing) shaft 14 and crossbeam rotate, simultaneously, utilize belt 20 to drive transport leaf 21 and rotate, avoid blockking up in feeding hopper 16, open heating coil 4, close sealed lid, open vacuum apparatus 19, begin timing and preheat.

Mixing: the effect of mixing and protection during the mixing process is as follows:

1. mixing effect: in the mixing process, the regulating switch 22 with the curing agent is opened to start mixing, the stirrer 3 is in an anchor type and is provided with a plurality of groups of staggered cross beams, the stirring and mixing effects are good, the material sedimentation possibly existing in long-time reaction is avoided, the reaction material unbalance is avoided, and the product quality is improved;

2. protection effect: the vacuum device 19 makes the air get rid of in the cauldron body 1, reduces oxygen content, reduces the raw materials by the volume of oxygen oxidation, and has got rid of the bubble in the resin, can observe the inside material mixing situation of cauldron body 1 and the bubble condition of getting rid of at any time in the observation window 2, can effectively improve product quality, shortens reaction time, promotes production efficiency.

Pouring: opening the second kettle body 6, placing the porous heat-conducting base body on the spongy cushion 18, closing the second discharge port 9, opening the vacuum device 19 connected with the third kettle body 10, removing air between the pipeline 11 and the third kettle body 10 in advance, closing the electromagnetic valve on the pipeline 11 and the first kettle body 1, opening the sealing cover of the feeding hopper 16 of the first kettle body 1, opening the second discharge port 9, enabling the mixed resin to flow into the second kettle body 6 from the first discharge port 5, enabling the interior of the second kettle body 6 and the interior of the third kettle body 10 to be in a vacuum state at the moment, enabling the first kettle body 1 to recover atmospheric pressure, and filling the porous heat-conducting material in an efficient manner through air pressure difference.

And (3) curing: and (3) observing the pouring condition through the second observation window 7, closing the baffle 17 of the first discharge port 5 once the resin is completely poured into the porous matrix, keeping the vacuum device 19 running, opening the second heating coil 8 of the second kettle body 6, and starting the curing process.

Demolding: and after the curing is finished, closing the second discharge hole 9, closing the vacuum device 19, closing the second heating coil 8 and taking out the heat-conducting composite material.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. An integrated preparation device of a heat-conducting composite material comprises a first kettle body (1), a second kettle body (6), a third kettle body (10) and a vacuum device (19), and is characterized in that a feeding port (15) is arranged on the upper side of the first kettle body (1), a feeding hopper (16) is arranged on the upper side of the feeding port (15), a stirrer (3) is arranged at the top of the first kettle body (1), the stirrer (3) is an anchor stirrer, the stirrer (3) comprises a motor (13), the motor (13) is connected with a stirring shaft (14), and a plurality of groups of cross beams are uniformly arranged at the middle position of the outer side of the stirring shaft (14);

a heating coil I (4) and a heating coil II (8) are respectively arranged in the kettle I (1) and the kettle II (6), the first kettle body (1), the third kettle body (10) and the second kettle body (6) are all made of polytetrafluoroethylene, a first discharge port (5) is arranged at the middle position of the bottom of the first kettle body (1), the first discharge port (5) is connected with the middle position of a top plate of the second kettle body (6), the bottom of the kettle body II (6) is provided with a detachable baffle plate (17), the middle part of the baffle plate (17) is provided with a discharge hole II (9), the top of the discharge hole II (9) is provided with a sponge pad (18), the second discharge hole (9) is connected with the third kettle body (10), the top ends of one side of the third kettle body (10) and the first kettle body (1) are respectively provided with a pipeline (11), pipeline (11) are through three way valve connection vacuum apparatus (19), cauldron body one (1), cauldron body two (6) and cauldron body three (10) all are connected with support frame (12).

2. The integrated preparation device of a heat-conducting composite material according to claim 1, wherein the first observation window (2) and the second observation window (7) for observing the internal conditions are respectively arranged in the middle of the front surface and the back surface of the first kettle body (1) and the second kettle body (6).

3. The integrated preparation device of a heat-conducting composite material as claimed in claim 1, wherein the top of the feeding hopper (16) is provided with a sealing cover.

4. The integrated preparation device of the heat-conducting composite material as claimed in claim 1, wherein the feeding hopper (16) is rotatably connected with a transportation blade (21), the outer side of the lower end of the transportation blade (21) is connected with a belt pulley, and the belt pulley is connected with the stirring shaft (14) through a belt (20).

5. The integrated preparation device of a heat-conducting composite material as claimed in claim 1, wherein the bottom of the feeding hopper (16) is provided with an adjusting switch (22), and the lower side of the feeding hopper (16) is provided with a feeding port (15).

6. The integrated preparation device of a heat-conducting composite material as claimed in claim 5, wherein said adjustment switch (22) is two semi-circular rings hinged to each other.

7. The integrated preparation device of a heat-conducting composite material as claimed in claim 1, wherein the middle part of the outer side of the first kettle body (1) is provided with a mounting ring, and the mounting ring is connected with the support frame (12).