CN107216500A - A kind of production technology of automobile rubber part - Google Patents
A kind of production technology of automobile rubber part Download PDFInfo
- Publication number
- CN107216500A CN107216500A CN201710574980.XA CN201710574980A CN107216500A CN 107216500 A CN107216500 A CN 107216500A CN 201710574980 A CN201710574980 A CN 201710574980A CN 107216500 A CN107216500 A CN 107216500A
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- rubber
- temperature
- production technology
- mixing
- automobile
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
- C08L7/02—Latex
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/002—Methods
- B29B7/005—Methods for mixing in batches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/28—Component parts, details or accessories; Auxiliary operations for measuring, controlling or regulating, e.g. viscosity control
-
- 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
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/309—Sulfur containing acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of production technology of automobile rubber part, it is related to auto parts machinery production field, extract ethylene propylene diene rubber, carbon black, latex, softening agent, activator and auxiliary agent are mixed, carry out high temperature, high pressure desulfurization, then thick refining, refine and form again, it is an advantage of the invention that, the work flow of this rubber is simple and convenient, the product produced has resistance to oxidation, it is corrosion-resistant and abrasion resistance is strong, avoid the function influence of each part each other, it ensure that the validity and security of production, its temperature range is strictly controlled in calendering technology, more ensure framework material and sizing material is laminating reaches that cord density is uniform, improve the homogeneity of cord two sides sizing material thickness.
Description
Technical field
The invention belongs to auto parts machinery field, it is more particularly related to a kind of production technology of automobile rubber part.
Background technology
Rubber is non-compression material, with good damping characteristic and good vibration damping, shock-absorbing capacity, in automobile production
In frequently as damping material, be to ensure that vehicle drive is stable and ideal material of safety.Assembled after automobile in torsion-beam assembly
Rubber bushing, can play a part of effective vibration damping, buffering and protection.The automobile axle torsion beam bushing in vehicle traveling process
Can by accelerating, the operating mode such as slow down, turn, jolting is brought is influenceed and impact, passes through the soft of automobile axle torsion beam bushing
Property deformation can realize normally travel of the automobile back wheel under above-mentioned operating mode.
But the force status of automobile axle torsion beam bushing is harsh with bushing more than automobile multi link back axle, therefore vapour
Car back axle torsion beam easily occurs rubber with bushing in vehicle traveling process and is broken, and can then cause automobile during turning
Automobile occurs in acceleration or deceleration and wags the tail phenomenon for understeer and automobile, and the driving to automobile can bring potential safety hazard.This
Class bushing requires used elastomeric material to have excellent stretching and endurance quality.The requirement of product fatigue experiment is in normal temperature
Under, Z-direction is reversed:± 10 °, frequency 3Hz, 500,000 times, product rubber layer is without unhealed cracks in practical use, abrasion, rubber slip etc.
It is abnormal.In view of the natural rubber material of original conventional trade mark has not adapted to current product use requirement, a kind of improve is developed
The elastomeric material component materials and its preparation technology of tensile strength and fatigue endurance are imperative.
The content of the invention
Problem to be solved by this invention is to provide a kind of production technology of free of contamination automobile rubber part.
To achieve these goals, the technical scheme taken of the present invention is, a kind of production technology of automobile rubber part, including
Following steps,
(1) dispensing banburying, the first step, sorting, selected raw material include white carbon, ethylene propylene diene rubber, latex, softening
Agent, activator and auxiliary agent, second step, batch mixing add 2-5% dilute sulfuric acid, and the 3rd step, temperature adjustment adjusts the temperature to 320-350
℃;
(2) raw material prepares, by the mixture of stirring in the case where temperature is 135-215 DEG C, carries out fusion refining, essence
1-2 hours refining time;
(3) synthetic rubber after mixing is uniformly subjected to extrusion molding afterwards by mill heat refining;
(4) vulcanizing treatment, then by after shaping adhesive tape inject vulcanizing equipment in mould in, add sulphur, zinc oxide and
Stearic acid carries out vulcanizing treatment, obtains rubber accessory.
It is preferred that, in the step (1), the quality dial gauge of raw material is, 40% white carbon and 20% ethylene-propylene-diene monomer
Glue, 30% latex, 3% softening agent, 3% activator and 4% auxiliary agent.
It is preferred that, the softening agent is one or both of pine tar, rosin, tall oil and wooden Zhejiang green grass or young crops combination, institute
It is one kind in sulfur dioxide, plumbi nitras, sodium carbonate, sodium hydroxide and lead salt to state activator, and the auxiliary agent is nitrile rubber, connect
One kind in branch neoprene, SBS, SIS, SEBS.
It is preferred that, in the step (2), mixing is divided into once mixing and secondary mixing, and 24h is parked after the once mixing
Secondary mixing is carried out again.
It is preferred that, in the step (3), extrusion device includes three high-temperature heating intervals, and first is heating and softening area
Between, temperature is 330 DEG C, rubber powder is softened rapidly;Second is that cleavage reaction is interval, and temperature is 380 DEG C;3rd is crush zone
Between, temperature is 230 DEG C, it is ensured that the sizing material of extrusion is not oxidized.
It is preferred that, in the step (4), vulcanizing treatment parameter is pressurization 280Kg/cm2-400Kg/cm2, is warming up to 180
DEG C -230 DEG C, duration 600-900s.
Beneficial effect, using technical scheme, raw material is refined under hot sulphuric acid environment, is improved various sizing materials and is mixed
The uniformity of quality is refined, the physical and mechanical properties and technology operation performance of technical requirements is more conformed to, it is ensured that production
Validity and security, strictly control its temperature range, improve the homogeneity of sizing material thickness.
With good damping effect, wearability and inoxidizability, service life are long, and natural emulsion and natural rubber have
There is superpower elasticity, the present invention can effectively increase the comfort level of automobile, and preparation technology is simple to operation, and raw material is easy to get, into
This is low, can obtain extensive use.
Embodiment
Embodiment 1
A kind of production technology of automobile rubber part, comprises the following steps,
(1) dispensing banburying, the first step, sorting, selected raw material include white carbon, ethylene propylene diene rubber, latex, softening
Agent, activator and auxiliary agent, second step, batch mixing, the dilute sulfuric acid of addition 2%, the 3rd step, temperature adjustment adjust the temperature to 350 DEG C;
(2) raw material prepares, by the mixture of stirring in the case where temperature is 135 DEG C, carries out fusion refining, refining time
2 hours;
(3) synthetic rubber after mixing is uniformly subjected to extrusion molding afterwards by mill heat refining;
(4) vulcanizing treatment, then by after shaping adhesive tape inject vulcanizing equipment in mould in, add sulphur, zinc oxide and
Stearic acid carries out vulcanizing treatment, obtains rubber accessory.
In step (1), the quality dial gauge of raw material is, 40% white carbon and 20% ethylene propylene diene rubber, 30% latex,
3% softening agent, 3% activator and 4% auxiliary agent.
Softening agent is the combination of one or both of pine tar, rosin, tall oil and wooden Zhejiang green grass or young crops, and the activator is two
One kind in sulfur oxide, plumbi nitras, sodium carbonate, sodium hydroxide and lead salt, the auxiliary agent be nitrile rubber, grafted CR adhesive,
One kind in SBS, SIS, SEBS.
In step (2), mixing be divided into once mixing and secondary mixing, it is described once mixing after park 24h carry out again it is secondary
Mixing.
In step (3), extrusion device includes three high-temperature heating intervals, and first interval to heat and soften, and temperature is 330
DEG C, rubber powder is softened rapidly;Second is that cleavage reaction is interval, and temperature is 380 DEG C;3rd interval for extruding, and temperature is 230
DEG C, it is ensured that the sizing material of extrusion is not oxidized.
In step (4), vulcanizing treatment parameter is pressurization 280Kg/cm2, is warming up to 230 DEG C, duration 600s.
Embodiment 2
A kind of production technology of automobile rubber part, comprises the following steps,
(1) dispensing banburying, the first step, sorting, selected raw material include white carbon, ethylene propylene diene rubber, latex, softening
Agent, activator and auxiliary agent, second step, batch mixing, the dilute sulfuric acid of addition 5%, the 3rd step, temperature adjustment adjust the temperature to 320 DEG C;
(2) raw material prepares, by the mixture of stirring in the case where temperature is 215 DEG C, carries out fusion refining, refining time
1 hour;
(3) synthetic rubber after mixing is uniformly subjected to extrusion molding afterwards by mill heat refining;
(4) vulcanizing treatment, then by after shaping adhesive tape inject vulcanizing equipment in mould in, add sulphur, zinc oxide and
Stearic acid carries out vulcanizing treatment, obtains rubber accessory.
In step (1), the quality dial gauge of raw material is, 40% white carbon and 20% ethylene propylene diene rubber, 30% latex,
3% softening agent, 3% activator and 4% auxiliary agent.
Softening agent is the combination of one or both of pine tar, rosin, tall oil and wooden Zhejiang green grass or young crops, and the activator is two
One kind in sulfur oxide, plumbi nitras, sodium carbonate, sodium hydroxide and lead salt, the auxiliary agent be nitrile rubber, grafted CR adhesive,
One kind in SBS, SIS, SEBS.
In step (2), mixing be divided into once mixing and secondary mixing, it is described once mixing after park 24h carry out again it is secondary
Mixing.
In step (3), extrusion device includes three high-temperature heating intervals, and first interval to heat and soften, and temperature is 330
DEG C, rubber powder is softened rapidly;Second is that cleavage reaction is interval, and temperature is 380 DEG C;3rd interval for extruding, and temperature is 230
DEG C, it is ensured that the sizing material of extrusion is not oxidized.
In step (4), vulcanizing treatment parameter is pressurization 400Kg/cm2, is warming up to 180 DEG C, duration 900s.
Embodiment 3
A kind of production technology of automobile rubber part, comprises the following steps,
(1) dispensing banburying, the first step, sorting, selected raw material include white carbon, ethylene propylene diene rubber, latex, softening
Agent, activator and auxiliary agent, second step, batch mixing, the dilute sulfuric acid of addition 3%, the 3rd step, temperature adjustment adjust the temperature to 335 DEG C;
(2) raw material prepares, by the mixture of stirring in the case where temperature is 165 DEG C, carries out fusion refining, refining time
1.5 hour;
(3) synthetic rubber after mixing is uniformly subjected to extrusion molding afterwards by mill heat refining;
(4) vulcanizing treatment, then by after shaping adhesive tape inject vulcanizing equipment in mould in, add sulphur, zinc oxide and
Stearic acid carries out vulcanizing treatment, obtains rubber accessory.
In step (1), the quality dial gauge of raw material is, 40% white carbon and 20% ethylene propylene diene rubber, 30% latex,
3% softening agent, 3% activator and 4% auxiliary agent.
Softening agent is the combination of one or both of pine tar, rosin, tall oil and wooden Zhejiang green grass or young crops, and the activator is two
One kind in sulfur oxide, plumbi nitras, sodium carbonate, sodium hydroxide and lead salt, the auxiliary agent be nitrile rubber, grafted CR adhesive,
One kind in SBS, SIS, SEBS.
In step (2), mixing be divided into once mixing and secondary mixing, it is described once mixing after park 24h carry out again it is secondary
Mixing.
In step (3), extrusion device includes three high-temperature heating intervals, and first interval to heat and soften, and temperature is 330
DEG C, rubber powder is softened rapidly;Second is that cleavage reaction is interval, and temperature is 380 DEG C;3rd interval for extruding, and temperature is 230
DEG C, it is ensured that the sizing material of extrusion is not oxidized.
In step (4), vulcanizing treatment parameter is pressurization 340Kg/cm2, is warming up to 205 DEG C, duration 750s.
Using technical scheme, raw material is refined under hot sulphuric acid environment, improves various rubber compounding quality
Uniformity, more conforms to the physical and mechanical properties and technology operation performance of technical requirements, it is ensured that the validity of production and
Security, strictly controls its temperature range, improves the homogeneity of sizing material thickness.
With good damping effect, wearability and inoxidizability, service life are long, and natural emulsion and natural rubber have
There is superpower elasticity, the present invention can effectively increase the comfort level of automobile, and preparation technology is simple to operation, and raw material is easy to get, into
This is low, can obtain extensive use.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (6)
1. a kind of production technology of automobile rubber part, it is characterised in that comprise the following steps,
(1) dispensing banburying, the first step, sorting, selected raw material include white carbon, ethylene propylene diene rubber, latex, softening agent, work
Agent and auxiliary agent, second step, batch mixing add 2-5% dilute sulfuric acid, and the 3rd step, temperature adjustment adjusts the temperature to 320-350 DEG C;
(2) raw material prepares, by the mixture of stirring in the case where temperature is 135-215 DEG C, fusion refining is carried out, during refining
Between 1-2 hours;
(3) synthetic rubber after mixing is uniformly subjected to extrusion molding afterwards by mill heat refining;
(4) vulcanizing treatment, then the adhesive tape after shaping is injected in the mould in vulcanizing equipment, add sulphur, zinc oxide and tristearin
Acid carries out vulcanizing treatment, obtains rubber accessory.
2. it is former according to a kind of production technology of automobile rubber part described in claim 1, it is characterised in that in the step (1)
The quality dial gauge of material is, 40% white carbon and 20% ethylene propylene diene rubber, 30% latex, 3% softening agent, 3% activator
With 4% auxiliary agent.
3. according to a kind of production technology of automobile rubber part described in claim 1, it is characterised in that the softening agent is burnt for pine
The combination of one or both of oil, rosin, tall oil and wooden Zhejiang green grass or young crops, the activator is sulfur dioxide, plumbi nitras, carbonic acid
One kind in sodium, sodium hydroxide and lead salt, the auxiliary agent is one kind in nitrile rubber, grafted CR adhesive, SBS, SIS, SEBS.
4. according to a kind of production technology of automobile rubber part described in claim 1, it is characterised in that in the step (2), mix
Refining is divided into once mixing and secondary mixing, and park 24h after the once mixing carries out secondary mixing again.
5. according to a kind of production technology of automobile rubber part described in claim 1, it is characterised in that in the step (3), squeeze
Go out device interval including three high-temperature heatings, first interval to heat and soften, and temperature is 330 DEG C, rubber powder is softened rapidly;The
Two are that cleavage reaction is interval, and temperature is 380 DEG C;3rd interval for extruding, and temperature is 230 DEG C, it is ensured that the sizing material of extrusion is not
It is oxidized.
6. preparation technology as claimed in claim 1, it is characterised in that in the step (4), vulcanizing treatment parameter is pressurization
280Kg/cm2-400Kg/cm2, is warming up to 180 DEG C -230 DEG C, duration 600-900s.
Priority Applications (1)
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CN201710574980.XA CN107216500A (en) | 2017-07-14 | 2017-07-14 | A kind of production technology of automobile rubber part |
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CN201710574980.XA CN107216500A (en) | 2017-07-14 | 2017-07-14 | A kind of production technology of automobile rubber part |
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CN107216500A true CN107216500A (en) | 2017-09-29 |
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CN201710574980.XA Pending CN107216500A (en) | 2017-07-14 | 2017-07-14 | A kind of production technology of automobile rubber part |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109401078A (en) * | 2018-10-30 | 2019-03-01 | 苏州国泰科技发展有限公司 | Rubber blinker and preparation method thereof |
CN111168871A (en) * | 2020-02-24 | 2020-05-19 | 厦门蓬欣橡胶制品工业有限公司 | Novel rubber production process |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104553004A (en) * | 2013-10-23 | 2015-04-29 | 丹阳市米可汽车零部件厂 | Process for producing automobile tyre |
CN104804271A (en) * | 2015-03-29 | 2015-07-29 | 安徽美祥实业有限公司 | Rubber production technology |
-
2017
- 2017-07-14 CN CN201710574980.XA patent/CN107216500A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104553004A (en) * | 2013-10-23 | 2015-04-29 | 丹阳市米可汽车零部件厂 | Process for producing automobile tyre |
CN104804271A (en) * | 2015-03-29 | 2015-07-29 | 安徽美祥实业有限公司 | Rubber production technology |
Non-Patent Citations (1)
Title |
---|
山西省化工研究所编: "《橡胶塑料加工助剂》", 31 October 2002, 化学工业出版社 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109401078A (en) * | 2018-10-30 | 2019-03-01 | 苏州国泰科技发展有限公司 | Rubber blinker and preparation method thereof |
CN111168871A (en) * | 2020-02-24 | 2020-05-19 | 厦门蓬欣橡胶制品工业有限公司 | Novel rubber production process |
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Application publication date: 20170929 |