CN114752162B - Production method of conductive fluororubber for oil seal - Google Patents
Production method of conductive fluororubber for oil seal Download PDFInfo
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- CN114752162B CN114752162B CN202111417540.6A CN202111417540A CN114752162B CN 114752162 B CN114752162 B CN 114752162B CN 202111417540 A CN202111417540 A CN 202111417540A CN 114752162 B CN114752162 B CN 114752162B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/041—Carbon nanotubes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/11—Esters; Ether-esters of acyclic polycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
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Abstract
The invention discloses a production method of conductive fluororubber for an oil seal, which comprises the following raw materials in parts by weight: 100 parts of modified ternary fluororubber raw rubber; 0-20 parts of carbon nano tube; 0-50 parts of conductive carbon black; 0-20 parts of magnetic powder; 0-20 parts of graphite; 0-10 parts of dioctyl sebacate (DOS); 0-15 parts of acid absorber; 0-3 parts of a release agent; 0-3 parts of dispersing agent; the modified ternary fluororubber raw rubber, the carbon nano tube, the conductive carbon black, the magnetic powder, the graphite and the dioctyl sebacate are mixed with the acid absorber, the release agent and the dispersing agent to be mixed in the internal mixer, so that the novel conductive fluororubber material for the oil seal is prepared.
Description
Technical Field
The invention relates to the technical field of rubber composite material processing, in particular to a production method of conductive fluororubber for an oil seal.
Background
In the new energy motor oil seal industry, the rubber materials mainly used at present are FKM, and the FKM is divided into binary fluororubber and ternary fluororubber according to different fluorine contents, but along with the rapid development of the electric automobile industry towards high speed, green and durable endurance mileage, higher requirements are put forward for the new energy motor.
At present, under the conditions that FKM oil seals are required to run at high temperature and high speed in practical application, and under the premise that sealing is ensured, the sealing structure has a conductive function, so that a bearing can be better protected, the starting work of a driving motor is not interfered, and the service life of the driving motor is prolonged.
In the prior art, under the high-temperature and high-speed running of the fluororubber in the motor, the sealing performance and the electric conductivity of the fluororubber cannot be guaranteed, so that the loss of the bearing is obvious, and the service life of the motor is influenced until the motor is damaged under long-time running; therefore, a production method of a conductive fluororubber for oil seal is proposed in order to solve the above problems.
Disclosure of Invention
In order to make up the deficiency of the prior art, solve fluororubber in the electrical machinery under high-temperature and high-speed operation, its sealing performance, conductive performance can't be guaranteed, therefore the loss of the bearing is apparent, under long-time operation, the life-span of the electrical machinery will be influenced until damaging; the invention provides a production method of conductive fluororubber for oil seals.
The production method of the conductive fluororubber for the oil seal comprises the following raw materials in parts by weight:
100 parts of modified ternary fluororubber raw rubber;
10-20 parts of carbon nanotubes;
10-50 parts of conductive carbon black;
10-20 parts of magnetic powder;
5-20 parts of graphite;
0-10 parts of dioctyl sebacate (DOS);
0-15 parts of acid absorber;
0-3 parts of a release agent;
0-3 parts of dispersing agent;
the production method comprises the following steps:
s1, performing S1; uniformly stirring raw materials in the formula by using a high-efficiency stirring device, specifically, preheating the raw materials by using a heating unit, and stirring and blowing the raw materials by using a turnover unit;
s2, performing S2; putting the uniformly stirred raw materials into an internal mixer for blending, controlling the temperature in the internal mixer to be between 70 and 110 ℃ and the blending time to be 8 to 15 minutes;
s3, performing S3; taking out the raw materials processed in the step S2, uniformly dividing the raw materials into bags, sealing and packaging;
the stirring device in the S1 comprises a turnover unit, a heating unit, a top cover, a protective shell and a base; the top cover is clamped at the top of the protective shell, and the base is fixedly connected at the bottom of the protective shell; the overturning unit and the heating unit are arranged inside the protective shell;
the overturning unit consists of a stirring shaft and a paddle board; the stirring shaft is rotationally connected to the bottom of the preheating tank body, and the paddle board is arranged on the stirring shaft; the raw material powder is blown while the raw material is stirred along with the air discharged from the paddle board, so that the raw material powder is mixed in the air of the preheating tank body, and the mixing effect is better;
the paddle board is communicated with the inside of the stirring shaft, and a plurality of groups of through holes are formed in the side wall of one end of the paddle board; the paddle boards are arranged in three groups, and the three groups of paddle boards are symmetrically arranged on the stirring shaft; the air exhausted from the three groups of paddles forms a circular air circulation path, so that raw material powder in the preheating tank body is driven to move in the same path, and the raw material powder is fully mixed.
A fan is fixedly connected to the surface of the top cover; a cavity is formed in the top cover, and an air outlet of the fan is communicated with the cavity; the bottom of the top cover is provided with a fitting pipe which is communicated with the cavity; the top of the top cover is provided with a feed pipe; the bottom of the top cover is fixedly connected with symmetrically arranged clamping blocks; when raw materials are added, the raw materials are artificially fed into the preheating tank body through the feeding pipe, and at the moment, the top of the preheating tank body is in fit connection with the bottom of the top cover, so that the preheating tank body is in a closed state.
The heating unit consists of a preheating tank body and an electric heating wire; an installation cavity is formed in the preheating tank body, and the heating wire is arranged in the installation cavity; the overturning unit is arranged inside the preheating tank body.
Preferably, the bottom of the protective shell is communicated with a discharging pipe, and sliding rails are symmetrically and fixedly connected on the side walls of the two ends of the protective shell; the preheating tank is discharged through the discharging pipe at the bottom of the preheating tank, and the discharged raw material powder is fully mixed by the stirring shaft and the paddle board.
Preferably, the two ends of the preheating tank body are fixedly connected with limiting blocks at positions corresponding to the sliding rails, and the limiting blocks are connected to the sliding rails in a sliding manner; a limiting seat is fixedly connected to the top of the preheating tank body corresponding to the position of the clamping block, and the clamping block is clamped in the limiting seat; when the top cover is clamped at the top of the protective shell, clamping blocks at two sides of the lower end of the top cover are clamped in limiting seats at two sides of the top of the preheating tank body, so that the limiting effect between the top cover and the preheating tank body is realized.
Preferably, a fixing frame is fixedly connected in the base, and a motor is fixedly connected in the fixing frame; the output end of the motor is fixedly connected with a second helical gear; a connecting shaft is rotationally connected to the middle part of the bottom surface of the base, and a first helical gear is fixedly connected to the connecting shaft; the first bevel gear is connected to the second bevel gear in a meshed manner; the top of the connecting shaft is provided with a fitting block; after the connecting shaft rotates, the stirring shaft in the preheating tank body can be driven to rotate, so that the stirring effect on raw material powder in the preheating tank body is realized.
Preferably, the top of the connecting shaft penetrates through the bottom of the preheating tank body, and the engaging block is in engagement connection with the spline; the connecting shaft and the stirring shaft are connected through the clamping connection of the spline and the fit block, and then the stirring shaft can be synchronously driven to rotate after the motor indirectly drives the connecting shaft to rotate, so that the stirring effect on raw material powder is realized.
The invention has the advantages that:
1. according to the invention, a certain weight portion of modified ternary fluororubber raw rubber, carbon nano tubes, conductive carbon black, magnetic powder, graphite and dioctyl sebacate are matched with an acid absorber, a release agent and a dispersing agent to be mixed together in an internal mixer, so that the novel conductive fluororubber material for the oil seal is prepared, the strength and the conductivity of the conductive fluororubber material are improved to a certain extent compared with the traditional conductive fluororubber material, and the prepared conductive fluororubber material has excellent comprehensive mechanical property.
2. According to the invention, the stirring device is arranged for carrying out preliminary uniform mixing on raw materials for producing the conductive fluororubber material, the heating unit and the overturning unit are arranged in the stirring device, when the raw materials are fed into the preheated tank body through the feeding pipe, the stirring shaft is used for stirring raw material powder, in the stirring process, the fan is used for feeding air, in the stirring process of the stirring shaft, the fed air is used for blowing the raw materials, so that the time for the raw materials to stay in the preheating tank body is prolonged, and the stirring efficiency and stirring effect of the raw materials are improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a first perspective view of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of one embodiment of the present invention;
FIG. 3 is a second perspective view of an embodiment of the present invention;
FIG. 4 is a perspective view of a stirring shaft in one embodiment of the invention;
fig. 5 is a third perspective view of an embodiment of the present invention.
In the figure: 11. a top cover; 12. a blower; 13. a feed pipe; 16. a cavity; 17. a clamping block; 18. fitting the tube; 21. a protective housing; 22. a discharge pipe; 23. preheating a tank body; 231. a mounting cavity; 232. heating wires; 24. a stirring shaft; 241. a paddle board; 242. a through hole; 243. a spline; 25. a limiting block; 26. a limit seat; 27. a slide rail; 31. a base; 32. a fixing frame; 33. a first helical gear; 34. a helical gear II; 35. a motor; 36. a connecting shaft; 361. fitting blocks.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
the production method of the conductive fluororubber for the oil seal comprises the following raw materials in parts by weight:
100 parts of modified ternary fluororubber raw rubber;
10 parts of carbon nanotubes;
25 parts of conductive carbon black;
10 parts of magnetic powder;
10 parts of graphite;
5 parts of dioctyl sebacate (DOS);
10 parts of acid absorber;
2 parts of a release agent;
2 parts of dispersant.
Embodiment two:
the production method of the conductive fluororubber for the oil seal comprises the following raw materials in parts by weight:
100 parts of modified ternary fluororubber raw rubber;
15 parts of carbon nanotubes;
20 parts of conductive carbon black;
10 parts of magnetic powder;
5 parts of graphite;
5 parts of dioctyl sebacate (DOS);
5 parts of acid absorber;
3 parts of a release agent;
3 parts of dispersing agent.
Embodiment III:
the production method of the conductive fluororubber for the oil seal comprises the following raw materials in parts by weight:
100 parts of modified ternary fluororubber raw rubber;
20 parts of carbon nanotubes;
10 parts of conductive carbon black;
15 parts of magnetic powder;
10 parts of graphite;
5 parts of dioctyl sebacate (DOS);
15 parts of acid absorber;
1 part of a release agent;
1 part of dispersing agent.
As shown in fig. 1 to 5, the production method comprises the following steps:
s1, performing S1; uniformly stirring raw materials in the formula by using a high-efficiency stirring device, specifically, preheating the raw materials by using a heating unit, and stirring and blowing the raw materials by using a turnover unit;
s2, performing S2; putting the uniformly stirred raw materials into an internal mixer for blending, controlling the temperature in the internal mixer to be between 70 and 110 ℃ and the blending time to be 8 to 15 minutes;
s3, performing S3; and (3) taking out the raw materials processed in the step (S2), uniformly dividing the raw materials into bags, sealing and packaging.
The characteristic detection result of the conductive fluororubber produced by the invention is as follows:
high temperature: after the rubber is subjected to 225 ℃ and 168 hours of hot air aging, the hardness of the rubber is changed: 0 to 6 Shore A;
tensile strength change rate: maximum-15%; elongation at break change rate: maximum of 25 percent,
conductivity: resistor 20 ohm
The formula of the invention is far beyond the related standard requirements in terms of conductivity;
as an embodiment of the present invention, the stirring device in S1 includes a turnover unit, a heating unit, a top cover 11, a protective housing 21, and a base 31; the top cover 11 is clamped at the top of the protective shell 21, and the base 31 is fixedly connected at the bottom of the protective shell 21; the overturning unit and the heating unit are arranged inside the protective shell 21;
the heating unit consists of a preheating tank 23 and an electric heating wire 232; an installation cavity 231 is formed in the preheating tank body 23, and the heating wire 232 is arranged in the installation cavity 231; the overturning unit is arranged inside the preheating tank 23;
the overturning unit consists of a stirring shaft 24 and a paddle 241; the stirring shaft 24 is rotatably connected to the bottom of the preheating tank 23, and the paddle 241 is disposed on the stirring shaft 24.
Specifically, when the raw materials are uniformly stirred, the heating unit is started to preheat the preheating tank body 23, when the tank body is kept at a certain temperature, the raw materials are poured into the preheating tank body 23 one by one, and it is worth noting that when the raw materials are uniformly stirred, the bottom of the top cover 11 and the top of the protective shell 21 are in a fit connection state, and the preheating tank body 23 is in a closed state at this time, so when the raw materials are poured into the preheating tank body 23, the raw materials cannot be discharged through the top of the preheating tank body 23 under the driving of the overturning unit, when the preheating tank body 23 is heated, the preheating tank body 23 is heated through the heating wire 232, the preheating tank body 23 is made of a heat conducting material, therefore, raw material powder poured into the preheating tank body 23 can be heated, and when the raw materials are poured into the preheating tank body 23, the stirring shaft 24 in the overturning unit drives the paddle 241 to rotate in the preheating tank body 23, the raw materials can be stirred by the paddle 241 after entering, and air discharged along with the paddle 241 can realize the stirring of the raw materials, and the raw materials can be mixed in the air better.
As an embodiment of the present invention, the paddle 241 is communicated with the inside of the stirring shaft 24, and a plurality of groups of through holes 242 are formed on a side wall of one end of the paddle 241; the paddles 241 are arranged in three groups, and the three groups of paddles 241 are symmetrically arranged on the stirring shaft 24.
Specifically, the paddle 241 is communicated with the inside of the stirring shaft 24, that is, the inside of the stirring shaft 24 is communicated with the inside of the paddle 241, after air is input through the stirring shaft 24, the air can be discharged through the through holes 242 on the paddle 241, and the through holes 242 are formed in one side of the paddle 241, so that the paddle 241 which is symmetrically arranged along with the circumference of three groups is matched, the air discharged from the paddles 241 of three groups forms a circular air circulation path along with the rotation of the stirring shaft 24, and further raw material powder in the preheating tank 23 is driven to move in the same path, so that the raw material powder is fully mixed.
As an embodiment of the present invention, a fan 12 is fixedly connected to the surface of the top cover 11; a cavity 16 is formed in the top cover 11, and an air outlet of the fan 12 is communicated with the cavity 16; the bottom of the top cover 11 is provided with a fitting pipe 18, and the fitting pipe 18 is communicated with the cavity 16; the top of the top cover 11 is provided with a feed pipe 13; the bottom of the top cover 11 is fixedly connected with symmetrically arranged clamping blocks 17.
Specifically, the fan 12 is fixedly connected to the surface of the top cover 11, the bottom of the fan 12 is communicated with the cavity 16 inside the sealing cover, through the fitting pipe 18 arranged at the bottom of the sealing cover, when the sealing cover is fitted and connected to the top of the protective shell 21, the fitting pipe 18 can be positioned at the top of the stirring shaft 24, air outside the protective shell 21 is led into the stirring shaft 24 through the fan 12, raw material powder inside the preheating tank 23 is purged through the stirring shaft 24, wherein when raw material is added, raw material is artificially fed into the preheating tank 23 through the feeding pipe 13, and at the moment, the top of the preheating tank 23 is fitted and connected with the bottom of the top cover 11, so that the preheating tank is in a closed state.
As an embodiment of the present invention, the bottom of the protective housing 21 is connected with the discharging pipe 22, and the side walls at two ends of the protective housing 21 are symmetrically and fixedly connected with sliding rails 27.
Specifically, the raw material powder after being stirred briefly gradually sinks to the bottom of the preheating tank 23 under the action of gravity, and is discharged out of the preheating tank 23 through the discharge pipe 22 at the bottom of the preheating tank 23, and the discharged raw material powder is fully mixed by the stirring shaft 24 and the paddle 241.
As an implementation mode of the invention, two ends of the preheating tank 23 are fixedly connected with limiting blocks 25 corresponding to the positions of the sliding rails 27, and the limiting blocks 25 are slidably connected to the sliding rails 27; the top of the preheating tank 23 is fixedly connected with a limiting seat 26 corresponding to the position of the clamping block 17, and the clamping block 17 is clamped in the limiting seat 26.
Specifically, the preheating tank 23 is designed to be detachable, and the preheating tank 23 can be slid in the sliding rail 27 on the inner wall of the protective housing 21 through the limiting blocks 25 welded at two ends of the preheating tank, so that the disassembly and the limitation of the preheating tank 23 are realized, wherein when the preheating tank 23 slides to the bottom of the sliding rail 27, the limiting effect of the sliding rail 27 is received, and when the top cover 11 is clamped at the top of the protective housing 21, the clamping blocks 17 at two sides of the lower end of the top cover 11 are clamped in the limiting seats 26 at two sides of the top of the preheating tank 23, so that the limiting effect between the top cover 11 and the preheating tank 23 is realized.
As an embodiment of the present invention, a fixing frame 32 is fixedly connected to the inside of the base 31, and a motor 35 is fixedly connected to the fixing frame 32; the output end of the motor 35 is fixedly connected with a second helical gear 34; a connecting shaft 36 is rotatably connected to the middle part of the bottom surface of the base 31, and a first helical gear 33 is fixedly connected to the connecting shaft 36; the first bevel gear 33 is connected to the second bevel gear 34 in a meshed manner; the top of the connecting shaft 36 is provided with an engagement block 361.
Specifically, the second helical gear 34 is driven to rotate by the starting motor 35, at this time, the second helical gear 34 and the first helical gear 33 are meshed to rotate, so that the rotation of the connecting shaft 36 can be realized, and after the connecting shaft 36 rotates, the stirring shaft 24 inside the preheating tank 23 can be driven to rotate, so that the stirring effect on raw material powder inside the preheating tank 23 is realized.
As an embodiment of the present invention, the top of the connecting shaft 36 penetrates the bottom of the preheating tank 23, and the engagement block 361 is engaged with the spline 243.
Specifically, when the preheating tank 23 is mounted inside the protective housing 21, when the preheating tank 23 slides in the sliding rails 27 on both sides and descends gradually, the stirring shaft 24 fixedly connected through the bearings in the preheating tank will contact the connecting shaft 36, when the preheating tank reaches the bottom of the sliding rails 27, the top of the connecting shaft 36 will be clamped at the bottom of the stirring shaft 24, the connection between the connecting shaft 36 and the stirring shaft 24 is realized through the clamping connection between the spline 243 and the engagement block 361, and then after the motor 35 indirectly drives the connecting shaft 36 to rotate, the stirring shaft 24 can be synchronously driven to rotate, so that the stirring effect on raw material powder is realized.
Working principle: when raw material powder is preliminarily mixed, a heating unit is started to preheat the preheating tank body 23, namely, the heating wire 232 arranged in the preheating tank body 23 is used for heating the preheating tank body 23 to a certain temperature, and as the preheating tank body 23 is made of a heat conducting material, raw material powder can be heated when raw material is poured into the preheating tank body 23, after the preheating tank body 23 is preheated, a motor 35 in a base 31 is started, a second helical gear 34 is driven to rotate by the starting motor 35, at the moment, the second helical gear 34 and the first helical gear 33 are meshed to rotate, the rotation of a connecting shaft 36 can be realized, and when the connecting shaft 36 rotates, a stirring shaft 24 in the preheating tank body 23 can be driven to rotate, and then the stirring effect on the raw material powder in the preheating tank body 23 is realized;
after the preheating tank 23 is preheated and the stirring shaft 24 rotates, pouring raw materials into the preheating tank 23 one by one through the feeding pipe 13, and notably, before stirring raw material powder, the top cover 11 is clamped at the top of the protective shell 21, at the moment, the bottom of the top cover 11 is in fit connection with the top of the preheating tank 23, the inside of the preheating tank 23 is in a relatively closed state, at the moment, the raw materials are poured again, and fall into the preheating tank 23 under the action of gravity through the feeding pipe 13, and under the driving of the stirring shaft 24, the paddle 241 on the stirring shaft 24 can continuously stir the raw material powder in the preheating tank 23, so that the full stirring effect of the raw materials is realized;
in the process of rotating the stirring shaft 24, the fan 12 positioned at the upper end of the top cover 11 is started, air outside the protective shell 21 is led into the stirring shaft 24 through the cavity 16 in the top cover 11 and the fit pipe 18, the paddle 241 is communicated with the inside of the stirring shaft 24, namely, the inside of the stirring shaft 24 is communicated with the inside of the paddle 241, after the air is input through the stirring shaft 24, the air can be discharged through the through holes 242 on the paddle 241, and only one side of the paddle 241 is provided with the through holes 242, and three groups of paddles 241 which are symmetrically arranged are matched with each other form a circular air flow path along with the rotation of the stirring shaft 24, so that raw material powder in the preheating tank 23 is driven to move in the same path, and the raw material powder is fully mixed.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (6)
1. A production method of conductive fluororubber for oil seals is characterized in that: the conductive fluororubber for the oil seal consists of the following raw materials in parts by weight:
100 parts of modified ternary fluororubber raw rubber;
10-20 parts of carbon nanotubes;
10-50 parts of conductive carbon black;
10-20 parts of magnetic powder;
5-20 parts of graphite;
0-10 parts of dioctyl sebacate (DOS);
0-15 parts of acid absorber;
0-3 parts of a release agent;
0-3 parts of dispersing agent;
the production method comprises the following steps:
s1, performing S1; uniformly stirring raw materials in the formula by using a high-efficiency stirring device, specifically, preheating the raw materials by using a heating unit, and stirring and blowing the raw materials by using a turnover unit;
s2, performing S2; putting the uniformly stirred raw materials into an internal mixer for blending, controlling the temperature in the internal mixer to be between 70 and 110 ℃ and the blending time to be 8 to 15 minutes;
s3, performing S3; taking out the raw materials processed in the step S2, uniformly dividing the raw materials into bags, sealing and packaging;
the stirring device in the S1 comprises a turnover unit, a heating unit, a top cover (11), a protective shell (21) and a base (31); the top cover (11) is clamped at the top of the protective shell (21), and the base (31) is fixedly connected at the bottom of the protective shell (21); the overturning unit and the heating unit are arranged inside the protective shell (21);
the overturning unit consists of a stirring shaft (24) and a paddle board (241); the stirring shaft (24) is rotatably connected to the bottom of the preheating tank body (23), and the paddle board (241) is arranged on the stirring shaft (24); the paddle board (241) is communicated with the inside of the stirring shaft (24), and a plurality of groups of through holes (242) are formed in the side wall of one end of the paddle board (241); the paddle boards (241) are arranged in three groups, and the three groups of paddle boards (241) are symmetrically arranged on the stirring shaft (24);
a fan (12) is fixedly connected to the surface of the top cover (11); a cavity (16) is formed in the top cover (11), and an air outlet of the fan (12) is communicated with the cavity (16); the bottom of the top cover (11) is provided with a fitting pipe (18), and the fitting pipe (18) is communicated with the cavity (16); the top of the top cover (11) is provided with a feed pipe (13); the bottom of the top cover (11) is fixedly connected with symmetrically arranged clamping blocks (17).
2. The method for producing a conductive fluororubber for oil seal according to claim 1, characterized in that: the heating unit consists of a preheating tank body (23) and an electric heating wire (232); an installation cavity (231) is formed in the preheating tank body (23), and the heating wire (232) is arranged in the installation cavity (231); the overturning unit is arranged inside the preheating tank body (23).
3. The production method of the conductive fluororubber for oil seal according to claim 2, characterized in that: the bottom of the protective shell (21) is communicated with a discharging pipe (22), and sliding rails (27) are symmetrically fixedly connected to the side walls of the two ends of the protective shell (21).
4. A method for producing a conductive fluororubber for oil seal according to claim 3, characterized in that: limiting blocks (25) are fixedly connected to the two ends of the preheating tank body (23) corresponding to the sliding rails (27), and the limiting blocks (25) are connected to the sliding rails (27) in a sliding manner; the top of the preheating tank body (23) is fixedly connected with a limiting seat (26) corresponding to the position of the clamping block (17), and the clamping block (17) is clamped in the limiting seat (26).
5. The method for producing a conductive fluororubber for oil seal according to claim 4, characterized in that: a fixing frame (32) is fixedly connected inside the base (31), and a motor (35) is fixedly connected in the fixing frame (32); the output end of the motor (35) is fixedly connected with a second helical gear (34); a connecting shaft (36) is rotatably connected to the middle part of the bottom surface of the base (31), and a first bevel gear (33) is fixedly connected to the connecting shaft (36); the first bevel gear (33) is connected to the second bevel gear (34) in a meshed manner; the top of the connecting shaft (36) is provided with a fitting block (361).
6. The method for producing a conductive fluororubber for oil seal according to claim 5, characterized in that: the top of the connecting shaft (36) penetrates through the bottom of the preheating tank body (23), and the fit block (361) is fit-connected in the spline (243).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111417540.6A CN114752162B (en) | 2021-11-26 | 2021-11-26 | Production method of conductive fluororubber for oil seal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111417540.6A CN114752162B (en) | 2021-11-26 | 2021-11-26 | Production method of conductive fluororubber for oil seal |
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| Publication Number | Publication Date |
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| CN114752162A CN114752162A (en) | 2022-07-15 |
| CN114752162B true CN114752162B (en) | 2023-07-21 |
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| CN202111417540.6A Active CN114752162B (en) | 2021-11-26 | 2021-11-26 | Production method of conductive fluororubber for oil seal |
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| JP2014009286A (en) * | 2012-06-29 | 2014-01-20 | Fujikura Rubber Ltd | Fluoro rubber composition and method of manufacturing the same |
| CN112934125A (en) * | 2021-02-02 | 2021-06-11 | 江苏智仁景行新材料研究院有限公司 | Metal powder high temperature suspension device |
| CN113105703A (en) * | 2021-03-22 | 2021-07-13 | 温州邦欣源科技有限公司 | Modified conductive fluororubber, preparation method and conductive medium-resistant fluororubber sealing ring |
| CN113274868A (en) * | 2021-05-17 | 2021-08-20 | 浙江兰电环保集团有限公司 | Side-feeding type stirring equipment suitable for semi-dry desulfurization |
| CN113429712A (en) * | 2021-07-14 | 2021-09-24 | 上海熹贾精密技术有限公司 | Low-resistivity fluororubber for automobile fuel pipeline system and preparation method thereof |
| CN113617325A (en) * | 2021-09-01 | 2021-11-09 | 南京工业大学 | Stirring formula gas-liquid reactor |
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2021
- 2021-11-26 CN CN202111417540.6A patent/CN114752162B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014009286A (en) * | 2012-06-29 | 2014-01-20 | Fujikura Rubber Ltd | Fluoro rubber composition and method of manufacturing the same |
| CN112934125A (en) * | 2021-02-02 | 2021-06-11 | 江苏智仁景行新材料研究院有限公司 | Metal powder high temperature suspension device |
| CN113105703A (en) * | 2021-03-22 | 2021-07-13 | 温州邦欣源科技有限公司 | Modified conductive fluororubber, preparation method and conductive medium-resistant fluororubber sealing ring |
| CN113274868A (en) * | 2021-05-17 | 2021-08-20 | 浙江兰电环保集团有限公司 | Side-feeding type stirring equipment suitable for semi-dry desulfurization |
| CN113429712A (en) * | 2021-07-14 | 2021-09-24 | 上海熹贾精密技术有限公司 | Low-resistivity fluororubber for automobile fuel pipeline system and preparation method thereof |
| CN113617325A (en) * | 2021-09-01 | 2021-11-09 | 南京工业大学 | Stirring formula gas-liquid reactor |
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| CN114752162A (en) | 2022-07-15 |
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