阅读说明：本技术 一种碳碳复合材料模压方法 (A kind of carbon carbon composite mould pressing method ) 是由 武建军 于 2019-08-21 设计创作，主要内容包括：本发明属于复合材料模压技术领域,尤其是一种碳碳复合材料模压方法,针对现有的碳碳复合材料的成型、碳化和石墨化的步骤分开完成,模压的周期长,模压的成本高的问题,现提出如下方案,其包括以下步骤：S1：按10:3:1的比例选取短切碳纤维、煤焦油沥青和焦粉为混合材料,S2：将选取的短切碳纤维、煤焦油沥青和焦粉粉碎、混合,得到混合物,S3：采用捏合机将混合物捏合成胚体,S4：将S3制得的混合物胚体加入到石墨模具中,S5：将石墨模具携带混合物胚体加入到烘箱中进行加热处理。本发明一体化完成碳碳复合材料的成型、碳化和石墨化的步骤,模压的周期短,模压的成本低,值得广泛推广。(The invention belongs to composite material moulded technical fields, especially a kind of carbon carbon composite mould pressing method, for the molding of existing carbon carbon composite, carbonization and graphited step are separately completed, the period of molding is long, the problem at high cost of molding, now propose following scheme, it is the following steps are included: S1: choosing chopped carbon fiber in the ratio of 10:3:1, coal tar asphalt and coke powder are mixing material, S2: by the chopped carbon fiber of selection, coal tar asphalt and coke powder crush, mixing, obtain mixture, S3: mixture is kneaded by idiosome using kneader, S4: mixture idiosome made from S3 is added in graphite jig, S5: graphite jig carrying mixture idiosome is added in baking oven and is heated.Molding, carbonization and the graphited step of carbon carbon composite are completed in integration of the invention, and the period of molding is short, and the cost of molding is low, should be widely promoted.)

1. a kind of carbon carbon composite mould pressing method, comprising the following steps:

S1: choosing chopped carbon fiber, coal tar asphalt and coke powder in the ratio of 10:3:1 is mixing material；

S2: the chopped carbon fiber, coal tar asphalt and coke powder of selection are crushed, mixing, obtains mixture；

S3: mixture is kneaded by idiosome using kneader；

S4: mixture idiosome made from S3 is added in graphite jig；

S5: graphite jig carrying mixture idiosome is added in baking oven and is heated；

S6: the hot property changing condition increased using infrared radiation detection apparatus detection mixture idiosome with temperature；

S7: the hot property situation of change of mixture idiosome is made and is summarized；

S8: the mixture idiosome after will be heated carries out die cast using hydraulic press, is worth carbon carbon composite；

S9: carrying out performance detection for hot-forming carbon carbon composite, after detection is qualified, packaging factory.

2. a kind of carbon carbon composite mould pressing method according to claim 1, which is characterized in that in the S1, be chopped carbon Fiber, coal tar asphalt and coke powder are respectively production raw material, binder and the filler for making carbon carbon composite, are mixed to get Carbon carbon composite mixture viscosity it is strong, intensity is high.

3. a kind of carbon carbon composite mould pressing method according to claim 1, which is characterized in that in the S2, will be chopped Carbon fiber, coal tar asphalt and coke powder are crushed using pulverizer, obtain the broken of chopped carbon fiber, coal tar asphalt and coke powder The powder of three is added in agitator tank and is stirred 20min, obtains mixture by end.

4. a kind of carbon carbon composite mould pressing method according to claim 1, which is characterized in that in the S3, choose The miniature kneaders such as NHZ-0.5-3000 liter, kneader is mainly by kneading part, base part, hydraulic system, transmission system It is formed with five major parts such as electric-control systems, mixture obtained above is kneaded into the carbon carbon composite idiosome of needs.

5. a kind of carbon carbon composite mould pressing method according to claim 1, which is characterized in that in the S4, graphite mo(u)ld Tool is that can be made from molding jig according to actual production demand, carbon carbon meets the shapes and sizes and self-control of material idiosome The inside of grinding tool matches, and provides protection to meet material to carbon carbon.

6. a kind of carbon carbon composite mould pressing method according to claim 1, which is characterized in that in the S5, baking oven energy The temperature range enough reached is 0 degree Celsius to 2600 degrees Celsius, and graphite jig is heated to 2000 degrees Celsius to 2500 and taken the photograph by baking oven Family name's degree.

7. a kind of carbon carbon composite mould pressing method according to claim 1, which is characterized in that in the S6, infrared survey Trying instrument is a kind of non-contact type thermodetector device, it includes optical system, electronic circuit, then information is modulated, at linearisation Achieve the purpose that instruction, display and control after reason, the hot property variation that mixture idiosome increases with temperature be subjected to linear recording, The extensibility that can intuitively obtain in which temperature range is more preferable, can control for temperature in the future and provide guidance, superelevation Temperature heating 8-10 days.

8. a kind of carbon carbon composite mould pressing method according to claim 1, which is characterized in that, will be linear in the S7 Data are summarized, the guiding book as production.

9. a kind of carbon carbon composite mould pressing method according to claim 1, which is characterized in that in the S8, hydraulic press Using is 500 tons of plastic hydraulic press, carries out die casting in the case where mixture idiosome superhigh temperature, at this point, mixture idiosome Ductility is more preferable, and plasticity difficulty is low.

10. a kind of carbon carbon composite mould pressing method according to claim 1, which is characterized in that in the S9, will be made Carbon carbon composite carry out the detection of hot property and strength character, detection is qualified good, is packed, is sent into out using packing box Factory is stored in library.

Technical field

The present invention relates to composite material moulded technical field more particularly to a kind of carbon carbon composite mould pressing methods.

Background technique

Carbon/carbon compound material refers to be using Carbon fibe (or graphite) and its fabric as reinforcing material, with carbon (or graphite) For matrix, the full carbonaceous composite material made of working process and carbonization treatment.It is derived from 1958, U.S. Chance- Vought company is more than temperature in the solidification of Carbon fibe polymer matrix composites due to laboratory accident, resin carbonize to be formed charcoal/ Carbon composite.

Existing molding carbon carbon composite majority uses pressure sintering, molding, carbonization and the graphitization of carbon carbon composite The step of separately complete, the period of molding is long, molding it is at high cost, so we have proposed a kind of carbon carbon composite molding sides Method, it is set forth above to solve the problems, such as.

Summary of the invention

The purpose of the present invention is to solve in silicomanganese preparation process in the prior art, after the completion of preparation in furnace, due to Furnace eye is closed not in time, and what the residual temperature in furnace was lost crosses block, and heat insulation effect is bad, improves the power consumption for preparing silicomanganese next time, The low disadvantage of the utilization rate of heat, and a kind of carbon carbon composite mould pressing method proposed.

To achieve the goals above, present invention employs following technical solutions:

A kind of carbon carbon composite mould pressing method, comprising the following steps:

S1: choosing chopped carbon fiber, coal tar asphalt and coke powder in the ratio of 10:3:1 is mixing material；

S2: the chopped carbon fiber, coal tar asphalt and coke powder of selection are crushed, mixing, obtains mixture；

S3: mixture is kneaded by idiosome using kneader；

S4: mixture idiosome made from S3 is added in graphite jig；

S5: graphite jig carrying mixture idiosome is added in baking oven and is heated；

S6: the hot property changing condition increased using infrared radiation detection apparatus detection mixture idiosome with temperature；

S7: the hot property situation of change of mixture idiosome is made and is summarized；

S8: the mixture idiosome after will be heated carries out die cast using hydraulic press, is worth carbon carbon composite；

S9: carrying out performance detection for hot-forming carbon carbon composite, after detection is qualified, packaging factory.

Preferably, in the S1, chopped carbon fiber, coal tar asphalt and coke powder are respectively the system for making carbon carbon composite Make raw material, binder and filler, the mixture viscosity for the carbon carbon composite being mixed to get is strong, and intensity is high.

Preferably, in the S2, chopped carbon fiber, coal tar asphalt and coke powder is crushed using pulverizer, obtained The powder of three is added in agitator tank and is stirred 20min, obtains by the powder of chopped carbon fiber, coal tar asphalt and coke powder To mixture.

Preferably, in the S3, the miniature kneaders such as NHZ-0.5-3000 liter are chosen, kneader is mainly by kneading portion Point, five most of compositions such as base part, hydraulic system, transmission system and electric-control system, mixture obtained above is mediated At the carbon carbon composite idiosome of needs.

Preferably, in the S4, graphite jig is that can be made from molding jig according to actual production demand, carbon carbon The inside of the shapes and sizes and self-control grinding tool that meet material idiosome matches, and provides guarantor to meet material to carbon carbon Shield.

Preferably, in the S5, temperature range that baking oven can reach is 0 degree Celsius to 2600 degrees Celsius, and baking oven is by stone Black mold is heated to 2000 degrees Celsius to 2500 degrees Celsius.

Preferably, in the S6, infrared tester is a kind of non-contact type thermodetector device, it includes optical system, electronics Route, then information is modulated, achievees the purpose that instruction, display and control after linearization process, by mixture idiosome with temperature It spends the hot property variation increased and carries out linear recording, the extensibility that can intuitively obtain in which temperature range is more preferable, can To provide guidance for temperature control in the future, superhigh temperature is heated 8-10 days.

Preferably, in the S7, linear data is summarized, the guiding book as production.

Preferably, in the S8, it is 500 tons of plastic hydraulic press that hydraulic press, which uses, in the feelings of mixture idiosome superhigh temperature Die casting is carried out under condition, at this point, the ductility of mixture idiosome is more preferable, plasticity difficulty is low.

Preferably, in the S9, carbon carbon composite obtained is carried out to the detection of hot property and strength character, detection is closed Lattice are good, packed using packing box, are sent into factory library and are stored.

In the present invention, the chopped carbon fiber, coal tar asphalt and coke powder of selection are crushed using pulverizer, obtained short The powder of three is added in agitator tank and is stirred 20min, obtains by the powder for cutting carbon fiber, coal tar asphalt and coke powder Obtained mixture is added to the miniature kneaders such as NHZ-0.5-3000 liter and carries out kneading operation, utilizes kneader by mixture Pinch part, base part, hydraulic system, transmission system and electric-control system obtain carbon carbon composite idiosome, obtained carbon carbon Meet material idiosome to be added in homemade graphite jig, carbon carbon meets the shapes and sizes of material idiosome and makes the interior of grinding tool by oneself Portion matches, and will be added in baking oven from molding jig and mixture idiosome, the temperature in baking oven is heated in gradient In 2000-2500, the infrared tester for being able to bear superhigh temperature is being set from molding jig, in order to can observe in real time mixed The situation that the hot property of object idiosome varies with temperature is closed, basis is provided for production in the future, starts 500 tons of plastic hydraulic press, In Die casting is carried out in the case where mixture idiosome superhigh temperature, at this point, the ductility of mixture idiosome is more preferable, plasticity difficulty is low.

Molding, carbonization and the stone of carbon carbon composite are completed in present invention integration in the case where mixture idiosome superhigh temperature The period of the step of inkization, molding are short, and the cost of molding is low, should be widely promoted.

Specific embodiment

Below in conjunction with the embodiment of the present invention, technical solution of the present invention is clearly and completely described, it is clear that Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.

A kind of carbon carbon composite mould pressing method, comprising the following steps:

S1: choosing chopped carbon fiber, coal tar asphalt and coke powder in the ratio of 10:3:1 is mixing material；

S2: the chopped carbon fiber, coal tar asphalt and coke powder of selection are crushed, mixing, obtains mixture；

S3: mixture is kneaded by idiosome using kneader；

S4: mixture idiosome made from S3 is added in graphite jig；

S5: graphite jig carrying mixture idiosome is added in baking oven and is heated；

S6: the hot property changing condition increased using infrared radiation detection apparatus detection mixture idiosome with temperature；

S7: the hot property situation of change of mixture idiosome is made and is summarized；

S8: the mixture idiosome after will be heated carries out die cast using hydraulic press, is worth carbon carbon composite；

S9: carrying out performance detection for hot-forming carbon carbon composite, after detection is qualified, packaging factory.

In the present embodiment, in S1, chopped carbon fiber, coal tar asphalt and coke powder are respectively the system for making carbon carbon composite Make raw material, binder and filler, the mixture viscosity for the carbon carbon composite being mixed to get is strong, and intensity is high, in S2, will be chopped Carbon fiber, coal tar asphalt and coke powder are crushed using pulverizer, obtain the broken of chopped carbon fiber, coal tar asphalt and coke powder The powder of three is added in agitator tank and is stirred 20min by end, obtains mixture, in S3, chooses NHZ-0.5-3000 liter Etc. miniature kneader, kneader is mainly by kneading part, base part, hydraulic system, transmission system and electric-control system etc. five Mixture obtained above, is kneaded into the carbon carbon composite idiosome of needs by most of composition, and in S4, graphite jig is self-control Mold can be made according to actual production demand, and carbon carbon meets the shapes and sizes of material idiosome and makes the interior of grinding tool by oneself Portion matches, and provides protection to meet material to carbon carbon, and in S5, the temperature range that baking oven can reach is 0 degree Celsius To 2600 degrees Celsius, graphite jig is heated to 2000 degrees Celsius to 2500 degrees Celsius, in S6 by baking oven, and infrared tester is a kind of Non-contact type thermodetector device, it includes optical system, electronic circuit, then information is modulated, reaches finger after linearization process The hot property variation that mixture idiosome increases with temperature is carried out linear recording by the purpose shown, show and controlled, can be intuitive The extensibility obtained in which temperature range is more preferable, can control for temperature in the future and provide guidance, superhigh temperature heats 8-10 It, in S7, in S7, linear data is summarized, and as the guiding book of production, in S8, it is 500 tons of plastics that hydraulic press, which uses, Hydraulic press carries out die casting in the case where mixture idiosome superhigh temperature, at this point, the ductility of mixture idiosome is more preferable, plasticity is difficult It spends low, in S9, carbon carbon composite obtained is carried out to the detection of hot property and strength character, detection is qualified good, using packaging Box is packed, and is sent into factory library and is stored.

In the present embodiment, local direct stress is excessive in mold process, and under high-temperature situation, plastic deformation occurs for carbon fiber, Ductility is high, and with the reduction of temperature, the plastic deformation of carbon fiber just secures.

In the present embodiment, the working method of baking oven is that air circulation system uses bi-motor horizontal cyclic air supply mode, wind Cycle balance is efficient.Wind regime drives wind wheel via electric heater by circulation air supply motor (using noncontacting switch), and hot wind is sent Out, the air sucking air duct then via air duct to baking oven interior room, then after using becomes wind regime recirculation, and heating uses.Really Protect room temperature uniformity.When causing temperature value to swing because of switch gate movement, the rapid recovery operation of the circulatory system of blowing State, until reaching set temperature value.

In the present embodiment, the chopped carbon fiber, coal tar asphalt and coke powder of selection are crushed using pulverizer, obtained The powder of three is added in agitator tank and is stirred 20min, obtains by the powder of chopped carbon fiber, coal tar asphalt and coke powder To mixture, obtained mixture is added to the miniature kneaders such as NHZ-0.5-3000 liter and carries out kneading operation, utilizes kneading Pinch part, base part, hydraulic system, transmission system and the electric-control system of machine obtain carbon carbon composite idiosome, obtained carbon Carbon meets material idiosome and is added in homemade graphite jig, and carbon carbon meets the shapes and sizes of material idiosome and makes grinding tool by oneself Inside matches, and will be added in baking oven from molding jig and mixture idiosome, the temperature in baking oven is heated in gradient In 2000-2500, the infrared tester for being able to bear superhigh temperature is being set from molding jig, in order to can observe in real time mixed The situation that the hot property of object idiosome varies with temperature is closed, basis is provided for production in the future, starts 500 tons of plastic hydraulic press, In Die casting is carried out in the case where mixture idiosome superhigh temperature, at this point, the ductility of mixture idiosome is more preferable, plasticity difficulty is low.

In the present embodiment, the mould pressing method of material is met to the carbon carbon in this implementation and previous carbon carbon meets the mould of material Pressure method compares, and the molding cost that the molding cost of the present embodiment is more previous at least reduces 2.3%-3.6%.

The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.