CN108219232A - A kind of magnetic gasket and its processing method - Google Patents
A kind of magnetic gasket and its processing method Download PDFInfo
- Publication number
- CN108219232A CN108219232A CN201810019664.0A CN201810019664A CN108219232A CN 108219232 A CN108219232 A CN 108219232A CN 201810019664 A CN201810019664 A CN 201810019664A CN 108219232 A CN108219232 A CN 108219232A
- Authority
- CN
- China
- Prior art keywords
- parts
- rubber
- magnetic
- magnetic gasket
- plasticizer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
- B29L2031/265—Packings, Gaskets
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
- C08K2201/01—Magnetic additives
-
- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a kind of magnetic gasket and its processing methods, belong to sealing ring technical field, technical points include the component of following parts by weight, 50 80 parts of raw rubber, 40 60 parts of magnetic powder, 15 25 parts of 230S nitrile rubbers, light 12 20 parts of filler, 46 parts of zinc oxide, 24 parts of MBSPT accelerating agents, 24 parts of 4010NA anti-aging agents, 13 parts of plasticizer, 13 parts of other auxiliary agents.Its processing method is：By raw material carry out dispensing, rubber internal mixing, rubber mill, dry, cut glue, sulfidization molding, deburring and detection, magnetize, rush oily and finished product detection, packaging and storage after can obtain magnetic gasket.The magnetic gasket of the present invention not only increases passability when magnetizing, and easy to operate, easy to implement；Operating procedure is simplified simultaneously, facilitates the progress of operation；The passability that sealing ring magnetizes is further improved by the proportioning of optimizing raw material and using the advanced instrument that magnetizes.
Description
Technical field
The invention belongs to sealing ring technical field, more specifically, it relates to a kind of magnetic gasket and its processing method.
Background technology
Magnetic rubber is the general name of magnetic elastomeric material, is matched by raw rubber, magnetic powder (magnetic fillers) and other auxiliary agents
It makes；Magnetism is the essential attribute of magnetic rubber.Magnetic rubber shows different magnetic grades under the action of external magnetic field,
Wherein there is higher practical value with ferromagnetism grade.
The manufacturing process of magnetic rubber and other products are similar.In formula design, first have to determine the product of magnetic powder
Kind, grain size and dosage.Next it should determine that glue kind, such as wear-resisting medicine select natural rubber according to requirements.Processed
Cheng Zhong needs to add the unexistent process that magnetizes of other products before or after vulcanization, to assign product permanent magnetism.
The advantages of magnetizing before vulcanization is that outer magnetic field direction is constant, more smooth by rubber network, but it is complicated for operation not
Just；And the more convenient but passability of operation that magnetizes after vulcanizing is poor.
Therefore a kind of new technical solution can be obtained, mode of operation can not only be optimized, and can also improve what is magnetized
Passability.
Invention content
In view of the deficienciess of the prior art, the purpose of the present invention one is to provide a kind of magnetic gasket, the magnetism is close
Seal not only increases passability when magnetizing, and easy to operate, easy to implement.
To achieve the above object, the present invention provides following technical solutions：A kind of magnetic gasket, including following parts by weight
Several components, 50-80 parts of raw rubber, 40-60 parts of magnetic powder, 15-25 parts of 230S nitrile rubbers, light 12-20 parts of filler, zinc oxide 4-
6 parts, 2-4 parts of MBSPT accelerating agents, 2-4 parts of 4010NA anti-aging agents, 1-3 parts of plasticizer, 1-3 parts of other auxiliary agents.
By using above-mentioned technical proposal, raw rubber is a kind of unique elastomeric polymer material, is manufacture rubber
Fertile material, refer generally to unvulcanized rubber size (including natural rubber and synthetic rubber), it is the most important of rubber
Component part determines rubber final performance and purposes.
Magnetic powder, a kind of single domain particle of hard magnetic；Common magnetic powder has two major class of oxide magnetic powder and metal magnetic, magnetic powder
Being filled in raw rubber can obtain in magnet charger with magnetic rubber ring, be formed into the necessary raw material of magnetic circle.
Mainly for the manufacture of oil resistant rubber product, by butadiene with acrylonitrile compolymer prepared by is a kind of to be synthesized nitrile rubber
Rubber.With preferable oil resistant (especially alkane oil), ageing-resistant performance.
Zinc oxide primarily serves the effect of accelerating auxiliaries during rubber is made, and can improve the burnt refining of glue stuff compounding
Time improves sizing material process safety, shortens vulcanization time, improves productivity effect.
A kind of multi-functional accelerating agent during MBSPT accelerating agents, it is that chemical name is 1- (N- oxygen diethylidene sulfo-amino first
Acyl group) -2- (N- oxygen diethylidene) Thiobenzimidazole, it is with the function of accelerating agent and anti-aging agent, the effect of anti-aging agent
It is suitable with 4010NA, and better than antioxidant MB, there is good promotion and anti ageing property.
4010NA anti-aging agents, also known as anti-aging agent IPPD, sterling are white crystal, and natural rubber, synthetic rubber and latex are used
Universal excellent anti-aging agent has ozone and flexing fatigue aging remarkable protective benefits.
Plasticizer or plasticizer, plasticizer are a kind of flexibility for increasing material or the macromolecule material for making material liquefaction
Expect the phthalate in auxiliary agent and environmental estrogens, addition object contain plastic cement, concrete, dry wall material, cement with
Gypsum etc..It can reduce the active force between rubber molecule, so as to reduce the glass transition temperature of rubber, stingy rubber plasticity, stream
Dynamic property convenient for the forming operations such as rolling, extruding, while can also improve certain physical mechanical properties of vulcanizate, such as reduce hardness
With stress at definite elongation, imparting the advantages that higher elastic and relatively low heat, raising cold resistance.
The present invention is further arranged to：The light color filler is one or both of calcium carbonate and diatomite.
By using above-mentioned technical proposal, calcium carbonate CaCO3, can be used as the white of plastics, paper, rubber, coating, ink etc.
Color filler, it is cheap, it derives from a wealth of sources, relative density is small, in addition to incremental contribution, can also improve processing performance and system
The performance of product has become one of most widely used filler；As long as diatomaceous ingredient is silica, it is by unicellular
What the remains deposition of water plant diatom was formed, it has the advantages that the light and soft anti-Sai performances of constitution are strong, belongs in rubber paint
High quality filler.
The present invention is further arranged to：The light color filler is carbon black and modified coal ash, and the modified coal ash is to adopt
It is obtained after being reacted with flyash of the granularity below 302 meshes with titanate coupling agent.
By using above-mentioned technical proposal, modified coal ash can partial alternative carbon black, can not only reduce rubber
Cost, also have be permanently deformed it is small, light specific gravity, elasticity it is good the advantages of.Coal ash for manufacturing rubber opens the new way of utilization of fly ash
Diameter, to mitigating environmental pollution.Reduction occupies cultivated land and has important meaning.
The present invention is further arranged to：The plasticizer uses DOTP plasticizer.
By using above-mentioned technical proposal, the chemical name of DOTP plasticizer and referred to as dioctyl terephthalate, it has
The performances such as prominent electric durability energy, heat-resisting, low temperature volatile, low glass transition temperature, low volatility, while acetyl lemon can be replaced
Lemon acid tributyl (ATBC), dioctyl phthalate (DOP), dibutyl ester (DBP).Usage amount can be reduced, and with polymerizeing
Object intermiscibility is good, and volatility is low, can inhibit exudation, extender capacity is big, has many advantages, such as that product brightness is high.
The present invention is further arranged to：The plasticizer is using synthesis vegetable esters and DOP, DBP plasticizer.
By using above-mentioned technical proposal, synthesis vegetable esters are using vegetable oil as raw material (such as the leftover bits and pieces of edible vegetable oil
Material), there is asepsis environment-protecting, up to medical grade requirement, inhibit bleed, speedup efficiency is higher than DOP and DBP, and heat-stable time is long.
DOP/DBP/ATBC or the higher plasticizer of other prices is coordinated to use, is not influencing each performance indicator of product simultaneously, it can
Enterprise's production cost can be greatly lowered.
The present invention is further arranged to：Other described auxiliary agents include packing strengthening agent, the packing strengthening agent for carbon black or
The modified kaolin in surface.
By using above-mentioned technical proposal, carbon black also known as carbon black are a kind of amorphous carbon.Light and superfine black powder,
Specific surface area is very big, and range is from 10-3000m2/ g, it is organic matter (natural gas, heavy oil, fuel oil etc.) in lack of air
Under the conditions of through imperfect combustion or product obtained by being thermally decomposed.It has preferable strengthening action to rubber, is rubber industry
In essential reinforced filling；And used surfactant is modified that treated that kaolin can be as the reinforcement of rubber
The filler can also be filled in rubber and a part of carbon black is replaced to use, thus save the dosage of carbon black by packing material, save
About resource, further reduced the cost of rubber.
The present invention is further arranged to：Other described auxiliary agents further include lubricant, and the lubricant is lubricated for P-80 rubber
Liquid.
Since light filler is more than using inorganic mineral, intrinsic clear water oleophobic property, mineral are in organic matters such as rubber
Wellability in polymer is poor, is not easy to disperse, and a large amount of fillings are easy to cause mechanical property of materials decline, it is necessary to new to filler
Type increases the surface modification treatment of surface-active, and by using above-mentioned technical proposal, lubricating oil is added in rubber, Neng Gouyou
Effect increases the oleophylic performance on light filler surface, enhances its interface compatibility with organic polymer diameter.And P-80 rubber moistens
Synovia can form a thin layer, therefore with efficiently interim lubricating action, while P-80 rubber lubricating fluids in rubber surface
It can disappear, and rubbery system will not be impacted in volatilization in 2-6 hours or so.
In view of the deficienciess of the prior art, the purpose of the present invention two is to provide a kind of processing side of magnetic gasket
Method can not only optimize mode of operation, and also improve the passability to magnetize.
To achieve the above object, the present invention provides following technical solutions：A kind of processing method of magnetic gasket, including
Following operating procedure,
Step S1, dispensing：By raw material magnetic powder, 230S nitrile rubbers, light filler, zinc oxide, MBSPT accelerating agents, 4010NA
Anti-aging agent and other auxiliary agents are individually positioned in corresponding mixer；Then above-mentioned raw material are pressed into proportioning through automatic batching system
It is added to successively in mixer and is tentatively kneaded；
Step S2, rubber internal mixing：It is put into successively after raw rubber and plasticizer are weighed former with others in step S1 in mixer
Material carries out mixing mixing processing together, controls dump temperature≤100 DEG C, is obtained after mixing is uniform rubber mixed；
Step S3, rubber mill：Rubber mixed be transported at open mill obtained in step S2 is subjected to rubber mill processing,
Mill gesture is：Rubber beats triangle bag 3 times after eating powder, draws the film of obtained sheet after thin lead to 3 times；
Step S4, it dries：The film obtained in step S3 is placed on film clothes hanger naturally dry in the cool；
Step S5, glue is cut：Dry film is subjected to slicing treatment in cutting machine, obtains the strip that length is 225mm ± 5mm
Adhesive tape；
Step S6, sulfidization molding：Strip adhesive tape and skeleton are sequentially placed into the lower mold of press by hand, are warming up to 180-
200 DEG C, 5-15Pa after cure 50-70s is pressurized to, subsequent cooled to room temperature obtains rubber ring；
Step S7, deburring and detection：The rubber ring obtained in step S6 is transported at trimmer, it is qualified through artificial detection appearance
Deburring processing is carried out afterwards；
Step S8, it magnetizes：By rubber ring after deburring through, through processing of magnetizing, magnetism being obtained after detection is magnetic at the detection equipment integrating that magnetizes
Circle；
Step S9, punching oil：It carries out rushing oil processing through rushing oil machine on the inner wall of magnetism circle；
Step S10, finished product detection, packaging and storage.
By using above-mentioned technical proposal, raw material are subjected to dispensing, rubber internal mixing, rubber mill, dries, cut glue, sulphur
Chemical conversion type, deburring and detection, magnetize, rush oil and finished product detection, packaging and storage after can obtain magnetic gasket.On the one hand
The step of magnetizing, is set after vulcanization, simplifies operating procedure, facilitates the progress of operation；On the other hand it is former by optimizing
The proportioning and the advanced instrument that magnetizes of use of material further improve the passability that sealing ring magnetizes.
The present invention is further arranged to：Part sizing material is intercepted at random after the completion of step S2 mills to carry out as sizing material sample
Sampling observation, it is desirable that the Shao Er A type hardness testers of sizing material are 70 ± 5 degree, stretch breaking strength >=10Mpa, elongation at break >=250%.
By using above-mentioned technical proposal, by the way of the sizing material sample of sampling observation, can optimize in actual production process
The mill effect of middle sizing material reality helps to improve the quality of sealing ring entirety.
The present invention is further arranged to：When step S4 dries, requirement is dried for temperature≤25 DEG C, and humidity≤70% is cloudy
It is 30 days dry.
By using above-mentioned technical proposal, control the temperature dried, time and humidity, contribute to reduce film aging and
Cracking phenomena accelerates the progress of the drying of film, improves film quality.
In conclusion the invention has the advantages that：
1st, magnetic gasket of the invention not only increases passability when magnetizing, and easy to operate, easy to implement；
2nd, modified coal ash can partial alternative carbon black, can not only reduce the cost of rubber, also have be permanently deformed it is small, than
The advantages of heavy and light, good elasticity.Coal ash for manufacturing rubber opens the new way of utilization of fly ash, to mitigating environmental pollution；
3rd, operating procedure is simplified, facilitates the progress of operation；It magnetizes simultaneously by the proportioning of optimizing raw material and using advanced
Instrument further improves the passability that sealing ring magnetizes.
Description of the drawings
Fig. 1 is the flow chart of the present embodiment；
Fig. 2 is the change curve of the temperature and time in the data monitoring 1 in magnetic circle service life in the present embodiment.
Specific embodiment
The present invention is described in further detail with attached drawing with reference to embodiments.
A kind of magnetic gasket includes the component of following parts by weight：50-80 parts of raw rubber, 40-60 parts of magnetic powder, 230S fourths
15-25 parts of nitrile rubber, light 12-20 parts of filler, 4-6 parts of zinc oxide, 2-4 parts of MBSPT accelerating agents, 2-4 parts of 4010NA anti-aging agents,
1-3 parts of plasticizer, 1-3 parts of other auxiliary agents.
As shown in Figure 1, a kind of processing method of magnetic gasket, including following operating procedure：
Step S1, dispensing：By raw material magnetic powder (eastern magnetic family field magnetic powder), 230S nitrile rubbers, light filler, zinc oxide, MBSPT
Accelerating agent, 4010NA anti-aging agents and other auxiliary agents are individually positioned in corresponding mixer；Then through full-automatic mistake proofing dispensing system
Above-mentioned raw material are added to by proportioning in mixer by system successively to be tentatively kneaded.
Step S2, rubber internal mixing：Put into successively after raw rubber and plasticizer are weighed in mixer with other in step S1
Raw material carry out together mixing mixing processing, control dump temperature≤100 DEG C, obtained after mixing is uniform rubber mixed；
Random interception part sizing material is inspected by random samples as sizing material sample after the completion of step S2 mills, it is desirable that the Shao Er A type hardness testers of sizing material are
70 ± 5 degree, stretch breaking strength >=10Mpa, elongation at break >=250%.
Step S3, rubber mill：Rubber mixed be transported at open mill obtained in step S2 is subjected to rubber mill
Processing, mill gesture are：Rubber beats triangle bag 3 times after eating powder, draws the film of obtained sheet after thin lead to 3 times.
Step S4, it dries：The film obtained in step S3 is placed on film clothes hanger naturally dry in the cool；In step
When rapid S4 dries, requirement is dried for temperature≤25 DEG C, humidity≤70% dries in the shade 30 days.
Step S5, glue is cut：Dry film is subjected to slicing treatment in cutting machine, obtains the length that length is 225mm ± 5mm
Strip adhesive tape.
Step S6, sulfidization molding：Strip adhesive tape and skeleton are sequentially placed into the lower mold of press by hand, are warming up to
180-200 DEG C, 5-15Pa after cure 50-70s is pressurized to, subsequent cooled to room temperature obtains rubber ring.
Step S7, deburring and detection：The rubber ring obtained in step S6 is transported at trimmer, through artificial detection appearance,
Deburring processing is carried out after qualification.
Step S8, it magnetizes：By rubber ring after deburring through, through processing of magnetizing, being obtained after detection is magnetic at the detection equipment integrating that magnetizes
Magnetism circle.
Step S9, punching oil：It carries out rushing oil processing through rushing oil machine on the inner wall of magnetism circle.
Step S10, finished product detection, packaging and storage.
A kind of 1 magnetic gasket each component of table and its parts by weight
Test result：Such as table 2-4 it is found that
1st, it being required according to TS16949, number of magnetic pole pairs (press drawing), and magnetic induction is the flux density >=15mT under 1mm air gaps,
Monodentate error≤± 1.5%, cumulative errors≤4%；
2nd, sampling observation discovery is carried out to sizing material sample in step s 2：The Shao Er A type hardness testers of sizing material are at 70 ± 5 degree, stretch breaking strength
>=10Mpa, elongation at break >=250% meet sampling observation requirement；
3rd, do not found after thermocycling unstable on any signal, data error is within 3%, complete compound master
The requirement of machine 5%；
4th, the data monitoring 1 in magnetic circle service life：With reference to shown in Fig. 2 and table 3, magnetic function detection is carried out using OE planning standards,
It takes more than 20 days and carries out 4 uninterrupted cyclic tests, find that each index of sample reaches using standard after inspection；
5th, the data monitoring 2 in magnetic circle service life：As shown in table 4, this sample is in the case of room temperature (not interfered by external magnetic field)
It carries out using magnetic tester in 3 years, if table 4 is the data that measure or so each half a year, the magnetic induction for the circle that do not find to be magnetic surpasses
The phenomenon that going out more than 5% regulation requirement, and the uniformity is also substantially good, this magnetic is detected by magnetism circle probe value 350GS standards
Property circle demagnetization performance meets the requirements；Therefore the mating requirements of OEM are fully achieved in the permanent magnetism of sample, after observing a stage, for hair
Existing sample table magnetic intensity has apparent relaxation phenomenon.
The testing inspection data of 2 embodiment 1-7 of table
The data table of comparisons before and after 3 thermocycling of table
| Number | Single-stage is minimum | Single-stage is maximum | Accumulated deviation | N grades maximum | S grades maximum | N grades minimum | S grades minimum |
| Before 1# experiments | - 0.63% | 0.87% | 2.07% | 469GS | 463GS | 468GS | 462GS |
| After 1# experiments | - 0.55% | 0.73% | 2.28% | 468GS | 468GS | 482GS | 472GS |
| Before 2# experiments | - 0.82% | 0.68% | 1.75% | 470GS | 475GS | 477GS | 469GS |
| After 2# experiments | - 0.62% | 0.66% | 1.85% | 473GS | 472GS | 486GS | 476GS |
| Before 3# experiments | - 0.77% | 0.79% | 1.24% | 465GS | 463GS | 545GS | 542GS |
| After 3# experiments | - 0.78% | 0.77% | 2.20% | 470GS | 472GS | 534GS | 534GS |
| Before 4# experiments | - 0.52% | 0.90% | 2.25% | 463GS | 465GS | 552GS | 545GS |
| After 4# experiments | - 0.74% | 0.86% | 2.46% | 465GS | 470GS | 526GS | 522GS |
4 demagnetization performance data cross-reference table of table
Specific embodiment is only explanation of the invention, is not limitation of the present invention, and those skilled in the art are readding
Can as needed the present embodiment be made the modification of no creative contribution after this specification by running through, but as long as the present invention's
It is all protected in right by Patent Law.
Claims (10)
1. a kind of magnetic gasket, it is characterised in that：Include the component of following parts by weight,
50-80 parts of raw rubber, 40-60 parts of magnetic powder, 15-25 parts of 230S nitrile rubbers, light 12-20 parts of filler, 4-6 parts of zinc oxide,
2-4 parts of MBSPT accelerating agents, 2-4 parts of 4010NA anti-aging agents, 1-3 parts of plasticizer, 1-3 parts of other auxiliary agents.
2. a kind of magnetic gasket according to claim 1, it is characterised in that：The light color filler is calcium carbonate and diatom
One or both of soil.
3. a kind of magnetic gasket according to claim 2, it is characterised in that：The light color filler is carbon black and modified powder
Coal ash, the modified coal ash are obtained after being reacted using flyash of the granularity below 302 meshes with titanate coupling agent.
4. a kind of magnetic gasket according to claim 3, it is characterised in that：The plasticizer uses DOTP plasticizer.
5. a kind of magnetic gasket according to claim 3, it is characterised in that：The plasticizer using synthesis vegetable esters with
DOP, DBP plasticizer.
6. a kind of magnetic gasket according to claim 5, it is characterised in that：Other described auxiliary agents include filler reinforcement
Agent, the packing strengthening agent are the modified kaolin of carbon black or surface.
7. a kind of magnetic gasket according to claim 6, it is characterised in that：Other described auxiliary agents further include lubricant,
The lubricant is P-80 rubber lubricating fluids.
8. a kind of processing method of the magnetic gasket in 1-7 according to claim described in any one, it is characterised in that：Including
Following operating procedure,
Step S1, dispensing：By raw material magnetic powder, 230S nitrile rubbers, light filler, zinc oxide, MBSPT accelerating agents, 4010NA
Anti-aging agent and other auxiliary agents are individually positioned in corresponding mixer；Then above-mentioned raw material are pressed into proportioning through automatic batching system
It is added to successively in mixer and is tentatively kneaded；
Step S2, rubber internal mixing：It is put into successively after raw rubber and plasticizer are weighed former with others in step S1 in mixer
Material carries out mixing mixing processing together, controls dump temperature≤100 DEG C, is obtained after mixing is uniform rubber mixed；
Step S3, rubber mill：Rubber mixed be transported at open mill obtained in step S2 is subjected to rubber mill processing,
Mill gesture is：Rubber beats triangle bag 3 times after eating powder, draws the film of obtained sheet after thin lead to 3 times；
Step S4, it dries：The film obtained in step S3 is placed on film clothes hanger naturally dry in the cool；
Step S5, glue is cut：Dry film is subjected to slicing treatment in cutting machine, obtains the strip that length is 225mm ± 5mm
Adhesive tape；
Step S6, sulfidization molding：Strip adhesive tape and skeleton are sequentially placed into the lower mold of press by hand, are warming up to 180-
200 DEG C, 5-15Pa after cure 50-70s is pressurized to, subsequent cooled to room temperature obtains rubber ring；
Step S7, deburring and detection：The rubber ring obtained in step S6 is transported at trimmer, it is qualified through artificial detection appearance
Deburring processing is carried out afterwards；
Step S8, it magnetizes：By rubber ring after deburring through, through processing of magnetizing, magnetism being obtained after detection is magnetic at the detection equipment integrating that magnetizes
Circle；
Step S9, punching oil：It carries out rushing oil processing through rushing oil machine on the inner wall of magnetism circle；
Step S10, finished product detection, packaging and storage.
9. a kind of processing method of magnetic gasket according to claim 8, it is characterised in that：It is completed in step S2 mills
Interception part sizing material is inspected by random samples as sizing material sample at random afterwards, it is desirable that the Shao Er A type hardness testers of sizing material are 70 ± 5 degree, are broken strong
Spend >=10 Mpa, elongation at break >=250%.
10. a kind of processing method of magnetic gasket according to claim 9, it is characterised in that：When step S4 dries,
Requirement is dried for temperature≤25 DEG C, and humidity≤70% dries in the shade 30 days.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810019664.0A CN108219232A (en) | 2018-01-09 | 2018-01-09 | A kind of magnetic gasket and its processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810019664.0A CN108219232A (en) | 2018-01-09 | 2018-01-09 | A kind of magnetic gasket and its processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108219232A true CN108219232A (en) | 2018-06-29 |
Family
ID=62640471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810019664.0A Pending CN108219232A (en) | 2018-01-09 | 2018-01-09 | A kind of magnetic gasket and its processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108219232A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282671A (en) * | 2020-11-27 | 2021-01-29 | 兰州长青石油机械厂 | Magnetic sealing structure of high-pressure joint |
| CN114734567A (en) * | 2022-03-03 | 2022-07-12 | 江阴市昌雄金属科技有限公司 | Processing technology of high-strength rubber sealing gasket for tire valve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101230156A (en) * | 2007-12-29 | 2008-07-30 | 杨中联 | Magnetic rubber having high magnetic flux density and preparation method thereof |
| CN104212007A (en) * | 2014-08-27 | 2014-12-17 | 安徽微威胶件集团有限公司 | Magnetic damping rubber material and preparation method thereof |
| CN104231448A (en) * | 2014-06-30 | 2014-12-24 | 瀚德（中国）汽车密封系统有限公司 | Magnetic EPDM (Ethylene-Propylene-Diene Monomer) rubber and preparation method thereof |
| CN104927116A (en) * | 2015-06-30 | 2015-09-23 | 青岛宇星智能科技开发有限公司 | Wear-resistant magnetic rubber composite material |
-
2018
- 2018-01-09 CN CN201810019664.0A patent/CN108219232A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101230156A (en) * | 2007-12-29 | 2008-07-30 | 杨中联 | Magnetic rubber having high magnetic flux density and preparation method thereof |
| CN104231448A (en) * | 2014-06-30 | 2014-12-24 | 瀚德（中国）汽车密封系统有限公司 | Magnetic EPDM (Ethylene-Propylene-Diene Monomer) rubber and preparation method thereof |
| CN104212007A (en) * | 2014-08-27 | 2014-12-17 | 安徽微威胶件集团有限公司 | Magnetic damping rubber material and preparation method thereof |
| CN104927116A (en) * | 2015-06-30 | 2015-09-23 | 青岛宇星智能科技开发有限公司 | Wear-resistant magnetic rubber composite material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282671A (en) * | 2020-11-27 | 2021-01-29 | 兰州长青石油机械厂 | Magnetic sealing structure of high-pressure joint |
| CN114734567A (en) * | 2022-03-03 | 2022-07-12 | 江阴市昌雄金属科技有限公司 | Processing technology of high-strength rubber sealing gasket for tire valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105367831B (en) | A kind of low rolling resistance high abrasion retreads precured tread sizing material and preparation method thereof | |
| CN100429258C (en) | Improvement of rubber compression elasticity at low-temperature | |
| CN108219232A (en) | A kind of magnetic gasket and its processing method | |
| CN101633768A (en) | Acrylic ester rubber and preparation method thereof | |
| CN106378893A (en) | Rubber vulcanization process | |
| CN107674263A (en) | A kind of pressure-resistant rubber sealing ring synthetic material and its production technology | |
| CN102408595A (en) | Acid and base-resistant rubber coating layer of roller and preparation method thereof | |
| CN110294848A (en) | The method and latex product of fresh Heveatex presulfurization | |
| CN103012979A (en) | Rubber composition with low breathability | |
| CN107236188A (en) | A kind of modified waste rubber powder and pp intermingling materials and preparation method thereof | |
| CN106750468A (en) | A kind of powdered rubber interleaving agent | |
| CN102786701B (en) | Heat vulcanization bonding technology for fluorine rubber and silica gel | |
| CN113185759B (en) | Rubber containing modified graphene | |
| CN101864131A (en) | Material for oil seal, preparation method for material and manufacturing method for oil seal | |
| CN103836275A (en) | Ethylene propylene diene monomer (EPDM) environment-friendly rubber tube and manufacturing method thereof | |
| CN109027223A (en) | High-performance rubber composite seal and its manufacturing method | |
| CN107793610A (en) | A kind of novel corrosion resistant rubber and preparation method thereof | |
| CN113402790A (en) | Composition based on butyl rubber and nitrile rubber, vulcanized rubber, and preparation method and application thereof | |
| CN108359182A (en) | A kind of endurance irradiation diaphragm sizing material | |
| CN105949533A (en) | Tellurium-containing rubber material for tire and preparation method thereof | |
| CN107189120A (en) | A kind of rubber composite of cracking growth resistance | |
| CN109456514A (en) | A kind of natural rubber material and preparation method thereof containing natural rubber powder | |
| CN110467789A (en) | A kind of high-performance acrylic acid ester rubber and preparation method thereof | |
| CN102408596A (en) | Rubber cladding layer for cylinder of conveyor and preparation method thereof | |
| CN106633243A (en) | Nitrile butadiene rubber for turning and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 314422 Zhejiang, Jiaxing, Haining, Xu Town, Haining, Xia Jia Dai No. Applicant after: Zhejiang Shun Hui seals Co., Ltd. Address before: 314422 Zhejiang, Jiaxing, Haining, Xu Town, Haining, Xia Jia Dai No. Applicant before: Haining Shun Hui seals Co., Ltd. |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180629 |
|
| RJ01 | Rejection of invention patent application after publication |