CN109971045A - Pusher-tray type clutch rubber pneumatic bag and preparation method thereof - Google Patents
Pusher-tray type clutch rubber pneumatic bag and preparation method thereof Download PDFInfo
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- CN109971045A CN109971045A CN201910183249.3A CN201910183249A CN109971045A CN 109971045 A CN109971045 A CN 109971045A CN 201910183249 A CN201910183249 A CN 201910183249A CN 109971045 A CN109971045 A CN 109971045A
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- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/14—Solid materials, e.g. powdery or granular
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/04—Fluid-actuated clutches in which the fluid actuates an elastic clutching, i.e. elastic actuating member, e.g. a diaphragm or a pneumatic tube
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/12—Details not specific to one of the before-mentioned types
-
- 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
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- 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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- General Engineering & Computer Science (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Thermal Sciences (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
Abstract
The invention discloses a kind of pusher-tray type clutch rubber pneumatic bag, each raw material including following parts by weight: 50~70 parts of natural rubber, 30~50 parts of nitrile rubber, 1~2 part of stearic acid, 1.5~2.5 parts of antioxidant A, 0.6~1.0 part of paraffin, 8~12 parts of carbon black N330,12~18 parts of carbon black N774,1.0~2.5 parts of graphene, 12~18 parts of zinc oxide, 0.8~1.2 part of pine tar, 0.4~0.6 part of captax, 0.6~1.0 part of accelerant CZ, 2.0~2.5 parts of sulphur.Preparation method includes that six processing steps, the vulcanizations such as refining glue, calendering severing, extrusion, molding, vulcanization, packaging are adjusted from curing temperature, time and pressure when producing, fundamentally solve the problems, such as manually to take time and effort；In addition, the production cost of enterprise can be substantially reduced since liquid water is at low cost, can recycle.
Description
One, technical field:
The present invention relates to a kind of production technology of rubber product, more particularly to a kind of pusher-tray type clutch rubber pneumatic bag and
Preparation method.
Two, background technique:
Clutch rubber pneumatic bag is one kind using rubber as main material, is equipped with high-intensitive fiber cloth, each through over cure etc.
The inner membrance of different shapes with expansion and contractile function well that class process post-processing is made.Current clutch rubber
Glue air bag is due to raw material proportioning, aeroelastic requirements and high thermal conductivity etc., tear resistance, wear-resisting property, resistance to ag(e)ing
Energy and thermal conductivity are all unsatisfactory.The most commonly used is pusher-tray type clutch rubber pneumatic bag, production processes on the market at present
Including refining glue, calendering severing, extrusion, molding, vulcanization, totally six procedure is packed, wherein vulcanization process is special critical process, sulphur
Temperature, time and the pressure of change directly affect the quality of product.Vulcanization mode used by most enterprise is both at home and abroad at present: making
Vulcanized with traditional vulcanizing tank, steam is provided with the mode of burning boiler and then carries out product vulcanization, because of vulcanizing tank sulphur
Change cannot accomplish that because that need to quantify, especially when smaller needed for certain class order volume is few or certain product, sulfurizing pot vulcanization can be consumed
The a large amount of energy improves production cost to result in waste of resources.In addition, since vulcanizing tank itself is larger, from tinning to unloading tank
In whole process, more people's cooperations are required, waste of manpower, there is also very big security risks.
Three, summary of the invention:
The technical problems to be solved by the present invention are: overcoming the deficiencies of the prior art and provide a kind of pusher-tray type clutch rubber
Glue air bag and preparation method thereof makes prepared pusher-tray type clutch by special preparation method by different raw material proportionings
Device rubber pneumatic bag have super tear resistance, super wear resistance energy, super resistance to ag(e)ing and super-high heat-conductive electric conductivity, service life compared with
It is long；In vulcanization process, by increasing air bag internal pressure using high pressure water supplying pump, air bag consistency is improved, product is optimized
Quality, and liquid water is at low cost, recyclable, hence it is evident that reduce enterprise's production cost.
The present invention is adopted the technical scheme that in order to solve the technical problem:
A kind of pusher-tray type clutch rubber pneumatic bag, each raw material including following parts by weight: 50~70 parts of natural rubber, butyronitrile
30~50 parts of rubber, 1~2 part of stearic acid, 1.5~2.5 parts of antioxidant A, 0.6~1.0 part of paraffin, 8~12 parts of carbon black N330,
12~18 parts of carbon black N774,1.0~2.5 parts of graphene, 12~18 parts of zinc oxide, 0.8~1.2 part of pine tar, captax
0.4~0.6 part, 0.6~1.0 part of accelerant CZ, 2.0~2.5 parts of sulphur.
The pusher-tray type clutch rubber pneumatic bag, it is preferable that each raw material including following parts by weight: natural rubber 60
Part, 40 parts of nitrile rubber, 1 part of stearic acid, 2 parts of antioxidant A, 0.8 part of paraffin, 10 parts of carbon black N330,15 parts of carbon black N774, stone
1.5 parts of black alkene, 15 parts of zinc oxide, 1 part of pine tar, 0.5 part of captax, accelerant CZ 0.8,2.2 parts of sulphur.
The preparation method of pusher-tray type clutch rubber pneumatic bag recited above, including refining glue, calendering severing, extrusion, molding,
Six processing steps, the specific procedure of processings such as vulcanization, packaging are as follows:
A, rubber mixing technique:
1. ingredient: according to factory formula weight demands, accurate each raw material of weighing is placed in feed basin, in case being kneaded makes
With；
2. raw rubber is plasticated: open mill roll spacing being adjusted to 1~1.5mm before throwing glue, roller temperature is adjusted to room temperature, by size viscosity
Different raw rubber raw materials successively get on the bus roll it is soft, Bao Tong 7 times be one section；Each raw rubber raw material is uniformly mixed, then by open mill roll spacing tune
To 4~5mm, Bao Tong 2 times, obtained broken-down rubber is packaged spare；
3. being kneaded: broken-down rubber is put into mixer, each medicament is successively put into according to factory formula sequence and is kneaded,
It is kneaded 15~20 minutes under the conditions of 110 DEG C of temperature；
4. discharge: discharge after mixing is put into the thin logical bottom sheet of rubber mixing machine, semi-finished product sizing material soaks after slice and cools down；
B, roll severing technique；
Calendering: semi-finished product sizing material is attached to above cord fabric or canvas；Severing: by the semi-finished product cord fabric rolled or
Canvas is cut to dimensions required for product；
C, extrusion technique:
Semi-finished product glue is made to the film of various models, bottom sheet to the storage period between use through rubber mixing machine to extruder
Not less than 4 hours；
D, moulding process:
1. air bag molding film, according to regulation specification severing, joint must cut slope stubble, then with flower tooth device compacting
Holding inner tube of a tyre width is consistent, thickness is uniform；
2. molding before: air bag, cord fabric, outer layer glue weight must strictly weigh, control errors are ± 1%；
3. in molding: being both provided with lining cloth between every layer, wrap one layer of brush, one layer of gasoline, cladded after volatilization, every layer is rolled with hand
Flower tooth excludes bubble, and lower layer repeats upper layer process, and so on, obtain semi-finished product air bag；
4. being detected after molding: after semi-finished product balloon detection is qualified, being sent into vulcanization process；
E, sulfuration process:
1. enabling electric heating vulcanization plant system, the rubber pneumatic bag mold on vulcanizer is cleared up, is then dabbed with silicone oil cloth
Mold；
2. in mold be packed into semi-finished product air bag, molding, by high pressure water supplying pump increase air bag internal pressure, temperature be 145 DEG C,
Vulcanize 50~70 minutes under conditions of pressure 2.25Mpa
3. it is first that hydraulic pressure in air bag body is drained after vulcanization, it is then opened, depanning；
4. after finished product depanning, air bag is kept not land, residual water is poured out, inside and outside glue side is trimmed, clears up glue more than air nozzle；Through examining
It is qualified into packaging process to test.
F, technology of the package:
Gas nozzle coats antirust oil, clasps gas nozzle with dust cap, sticks trade mark, the quality certification, is packed with band, overlap wrapping
Pneumatic tyre one week, then sealed with adhesive tape storage.
In the calendering severing technique, calendering requires airport logistic park starting to drive, and gradually accelerates from low speed to high speed, roller
Steam is passed through after normal or cold water is heated or cooled, the good speed of calendering film to master and roller temperature, rubberized canvas, cord fabric pine
It is critical appropriate, it cannot roll up outside shield；The semi-finished product sizing material will fan the air heart film, and depositing glue cannot be excessive, prevents from burning.
In the sulfuration process, the minimum pressure of liquid water is 25 kilograms/cm in high-pressure pump water supply process2；Vulcanizing
When progress, liquid water expanded by heating steps up the intrinsic pressure of air bag.
Positive beneficial effect of the invention is:
1, the present invention makes prepared pusher-tray type clutch by special raw material proportioning and unique preparation processing method
Rubber pneumatic bag has super tear resistance, super wear resistance energy, super resistance to ag(e)ing and super-high heat-conductive electric conductivity, existing anti-well
Swollen intensity, and there is preferable elasticity and flexibility, rubber pneumatic bag to be able to satisfy construction usage under various operating conditions, it can make
Its vulcanizate physical property reaches 156 DEG C × 15min, 42 degree of Shao Er A type hardness tester, tensile strength 18.7Mpa, 300% stress at definite elongation
3.86Mpa, elongation at break 802% tear slight 56.5kN/m.
It joined a certain amount of grapheme material in raw material of the invention, with density is small, modulus is high, intensity is big, heat is swollen
A series of excellent properties such as swollen coefficient is low, high temperature resistant, wear-resistant, heat shock resistance, heat resistanceheat resistant vibration, super-high heat-conductive electric conductivity, institute's shape
At the graphene rubber composite material of high performance high strength have that pressure-bearing is high, super-high heat-conductive electric conductivity, and tension can be made
It stretches intensity and improves 30~40%.
2, by using high-pressure pump, by liquid water, (the minimum pressure-bearing of liquid water is 25 kilograms/cm to the present invention2Left and right) injection
In rubber pneumatic bag, pressure size is controlled with pressure gauge, thus instead of conventional vulcanized steam boosting (the highest pressure-bearing of steam used
It is 6~8 kilograms or so), the internal pressure of rubber pneumatic bag when increasing vulcanization improves the consistency of rubber pneumatic bag, optimizes and added
The product quality of work rubber pneumatic bag；In addition, liquid water is at low cost, can recycle, being produced into for enterprise can be substantially reduced
This.
3, sulfuration process of the present invention uses AC electric-heating, and single machine list as needed only produces required rubber pneumatic bag, replaces
Traditional big canned steam vulcanization (cure) production method, when avoiding batch production in sulfidation canned greatly the energy such as steam waste,
Save production energy consumption.
4, the production of rubber pneumatic bag of the present invention is adjusted from curing temperature, time and pressure, makes mould in production process
The accurate molding of tool, die sinking, lifting positioning, fundamentally solve the problems, such as manually to take time and effort.
Compared with domestic and international conventional vulcanization process: the present invention have can significantly improve product quality, environmental protection and energy saving,
The advantages that reducing manual labor has very big advantage (referring to table 1) in market competition, can generate very big mixed economy effect
Benefit has the very strong market competitiveness.
Table 1: the comparison of the present invention and conventional cure method
The present invention is compared with other conventional cure methods: product quality increases substantially, and reduces production cost, enhancing
Competitiveness of product in market Economic and Efficiency Analysis (referring to table 2).
Table 2: the comparison of the present invention and conventional cure method economic interests
The production method of pusher-tray type clutch rubber pneumatic bag of the present invention is controlled and has been taken to each key point
Effective measures have prevented blind spot region, and the quality of pusher-tray type clutch rubber pneumatic bag is made to be greatly improved and ensure.
Specific embodiment:
The present invention will be further explained combined with specific embodiments below and explanation:
Embodiment 1: a kind of pusher-tray type clutch rubber pneumatic bag, each raw material including following parts by weight: 50 parts of natural rubber,
30 parts of nitrile rubber, 1 part of stearic acid, 1.5 parts of antioxidant A, 0.6 part of paraffin, 8 parts of carbon black N330,12 parts of carbon black N774, stone
1.0 parts of black alkene, 12 parts of zinc oxide, 0.8 part of pine tar, 0.4 part of captax, 0.6 part of accelerant CZ, 2.0 parts of sulphur.
1.0~2.5 parts
The preparation method of pusher-tray type clutch rubber pneumatic bag recited above, including refining glue, calendering severing, extrusion, molding,
Six processing steps, the specific procedure of processings such as vulcanization, packaging are as follows:
A, rubber mixing technique:
1. ingredient: according to factory formula weight demands, accurate each raw material of weighing is placed in feed basin, in case being kneaded makes
With；
2. raw rubber is plasticated: open mill roll spacing being adjusted to 1~1.5mm before throwing glue, roller temperature is adjusted to room temperature, by size viscosity
Different raw rubber raw materials successively get on the bus roll it is soft, Bao Tong 7 times be one section；Each raw rubber raw material is uniformly mixed, then by open mill roll spacing tune
To 4~5mm, Bao Tong 2 times, obtained broken-down rubber is packaged spare；
3. being kneaded: broken-down rubber is put into mixer, each medicament is successively put into according to factory formula sequence and is kneaded,
It is kneaded 15~20 minutes under the conditions of 110 DEG C of temperature；
4. discharge: discharge after mixing is put into the thin logical bottom sheet of rubber mixing machine, semi-finished product sizing material soaks after slice and cools down；
B, roll severing technique；
Calendering: semi-finished product sizing material is attached to above cord fabric or canvas；Severing: by the semi-finished product cord fabric rolled or
Canvas is cut to dimensions required for product；
C, extrusion technique:
Semi-finished product glue is made to the film of various models, bottom sheet to the storage period between use through rubber mixing machine to extruder
Not less than 4 hours；
D, moulding process:
1. air bag molding film, according to regulation specification severing, joint must cut slope stubble, then with flower tooth device compacting
Holding inner tube of a tyre width is consistent, thickness is uniform；
2. molding before: air bag, cord fabric, outer layer glue weight must strictly weigh, control errors are ± 1%；
3. in molding: being both provided with lining cloth between every layer, wrap one layer of brush, one layer of gasoline, cladded after volatilization, every layer is rolled with hand
Flower tooth excludes bubble, and lower layer repeats upper layer process, and so on, obtain semi-finished product air bag；
4. being detected after molding: after semi-finished product balloon detection is qualified, being sent into vulcanization process；
E, sulfuration process:
1. enabling electric heating vulcanization plant system, the rubber pneumatic bag mold on vulcanizer is cleared up, is then dabbed with silicone oil cloth
Mold；
2. in mold be packed into semi-finished product air bag, molding, by high pressure water supplying pump increase air bag internal pressure, temperature be 145 DEG C,
Vulcanize 50~70 minutes under conditions of pressure 2.25Mpa
3. it is first that hydraulic pressure in air bag body is drained after vulcanization, it is then opened, depanning；
4. after finished product depanning, air bag is kept not land, residual water is poured out, inside and outside glue side is trimmed, clears up glue more than air nozzle；Through examining
It is qualified into packaging process to test.
F, technology of the package:
Gas nozzle coats antirust oil, clasps gas nozzle with dust cap, sticks trade mark, the quality certification, is packed with band, overlap wrapping
Pneumatic tyre one week, then sealed with adhesive tape storage.
In the calendering severing technique, calendering requires airport logistic park starting to drive, and gradually accelerates from low speed to high speed, roller
Steam is passed through after normal or cold water is heated or cooled, the good speed of calendering film to master and roller temperature, rubberized canvas, cord fabric pine
It is critical appropriate, it cannot roll up outside shield；The semi-finished product sizing material will fan the air heart film, and depositing glue cannot be excessive, prevents from burning.
In the sulfuration process, the minimum pressure of liquid water is 25 kilograms/cm in high-pressure pump water supply process2；Vulcanizing
When progress, liquid water expanded by heating steps up the intrinsic pressure of air bag.
Embodiment 2, the present embodiment and 1 preparation method of embodiment are essentially identical, and the same thing is not repeated, and difference exists
In: a kind of pusher-tray type clutch rubber pneumatic bag, each raw material including following parts by weight: 55 parts of natural rubber, 45 parts of nitrile rubber,
1.5 parts of stearic acid, 2 parts of antioxidant A, 0.8 part of paraffin, 11 parts of carbon black N330,16 parts of carbon black N774,2.5 parts of graphene, oxygen
Change zinc 14,1.1 parts of pine tar, 0.4 part of captax, 0.7 part of accelerant CZ, 2.2 parts of sulphur.
Embodiment 3, the present embodiment and 1 preparation method of embodiment are essentially identical, and the same thing is not repeated, and difference exists
In: a kind of pusher-tray type clutch rubber pneumatic bag, each raw material including following parts by weight: 70 parts of natural rubber, 50 parts of nitrile rubber,
2 parts of stearic acid, 2.5 parts of antioxidant A, 1.0 parts of paraffin, N33012 parts of carbon black, N77418 parts of carbon black, 1.5 parts of graphene, zinc oxide
18 parts, 1.2 parts of pine tar, 0.6 part of captax, 1.0 parts of accelerant CZ, 2.5 parts of sulphur.
Embodiment 4, the present embodiment and 1 preparation method of embodiment are essentially identical, and the same thing is not repeated, and difference exists
In: a kind of pusher-tray type clutch rubber pneumatic bag, each raw material including following parts by weight: 60 parts of natural rubber, 40 parts of nitrile rubber,
1 part of stearic acid, 2 parts of antioxidant A, 0.8 part of paraffin, 10 parts of carbon black N330,15 parts of carbon black N774,1.8 parts of graphene, zinc oxide
15 parts, 1 part of pine tar, 0.5 part of captax, accelerant CZ 0.8,2.2 parts of sulphur.
Claims (5)
1. a kind of pusher-tray type clutch rubber pneumatic bag, it is characterised in that: each raw material including following parts by weight: natural rubber 50~
70 parts, 30~50 parts of nitrile rubber, 1~2 part of stearic acid, 1.5~2.5 parts of antioxidant A, 0.6~1.0 part of paraffin, carbon black N330
8~12 parts, 12~18 parts of carbon black N774,1.0~2.5 parts of graphene, 12~18 parts of zinc oxide, 0.8~1.2 part of pine tar, promote
Into 0.4~0.6 part of agent M, 0.6~1.0 part of accelerant CZ, 2.0~2.5 parts of sulphur.
2. pusher-tray type clutch rubber pneumatic bag according to claim 1, it is characterised in that: each original including following parts by weight
Material: 60 parts of natural rubber, 40 parts of nitrile rubber, 1 part of stearic acid, 2 parts of antioxidant A, 0.8 part of paraffin, 10 parts of carbon black N330, charcoal
15 parts of black N774,1.5 parts of graphene, 15 parts of zinc oxide, 1 part of pine tar, 0.5 part of captax, accelerant CZ 0.8, sulphur
2.2 part.
3. the preparation method of pusher-tray type clutch rubber pneumatic bag as claimed in claim 2, including refining glue, calendering severing, extrusion, at
Six processing step such as type, vulcanization, packaging, specific procedure of processing are as follows:
A, rubber mixing technique:
1. ingredient: according to factory formula weight demands, accurate each raw material of weighing is placed in feed basin, is used in case being kneaded；
2. raw rubber is plasticated: open mill roll spacing is adjusted to 1~1.5mm before throwing glue, roller temperature is adjusted to room temperature, size viscosity is different
Raw rubber raw material successively get on the bus roll it is soft, Bao Tong 7 times be one section；Each raw rubber raw material is uniformly mixed, then open mill roll spacing is adjusted to 4~
5mm, Bao Tong 2 times, obtained broken-down rubber is packaged spare；
3. being kneaded: broken-down rubber being put into mixer, each medicament is successively put into according to factory formula sequence and is kneaded, 110
It is kneaded 15~20 minutes under the conditions of DEG C temperature；
4. discharge: discharge after mixing is put into the thin logical bottom sheet of rubber mixing machine, semi-finished product sizing material soaks after slice and cools down；
B, roll severing technique；
Calendering: semi-finished product sizing material is attached to above cord fabric or canvas；Severing: the semi-finished product cord fabric or canvas that will roll
It is cut to dimensions required for product；
C, extrusion technique:
Semi-finished product glue is made to the film of various models through rubber mixing machine to extruder, bottom sheet is not small to the storage period between use
In 4 hours；
D, moulding process:
1. air bag molding film, according to regulation specification severing, joint must cut slope stubble, then kept with flower tooth device compacting
Inner tube of a tyre width is consistent, thickness is uniform；
2. molding before: air bag, cord fabric, outer layer glue weight must strictly weigh, control errors are ± 1%；
3. in molding: being both provided with lining cloth between every layer, wrap one layer of brush, one layer of gasoline, cladded after volatilization, every layer with hand annular knurl tooth
Bubble is excluded, lower layer repeats upper layer process, and so on, obtain semi-finished product air bag；
4. being detected after molding: after semi-finished product balloon detection is qualified, being sent into vulcanization process；
E, sulfuration process:
1. enabling electric heating vulcanization plant system, the rubber pneumatic bag mold on vulcanizer is cleared up, then dabs mold with silicone oil cloth；
2. being packed into semi-finished product air bag in mold, molding increases air bag internal pressure by high pressure water supplying pump, is 145 DEG C, pressure in temperature
Vulcanize 50~70 minutes under conditions of 2.25Mpa；
3. it is first that hydraulic pressure in air bag body is drained after vulcanization, it is then opened, depanning；
4. after finished product depanning, air bag is kept not land, residual water is poured out, inside and outside glue side is trimmed, clears up glue more than air nozzle；It is closed through examining
Lattice enter packaging process；
F, technology of the package:
Gas nozzle coats antirust oil, clasps gas nozzle with dust cap, sticks trade mark, the quality certification, is packed with band, overlap wrapping pneumatic tyre
One week, then sealed with adhesive tape storage.
4. the preparation method of pusher-tray type clutch rubber pneumatic bag according to claim 3, it is characterised in that: the calendering is cut out
In breaking process, calendering requires airport logistic park starting to drive, and gradually accelerates from low speed to high speed, steam or cold water are passed through after roller is normal
It is heated or cooled, the good speed of calendering film to master and roller temperature, rubberized canvas, cord fabric are elastic appropriate, cannot roll up and pad
Outside cloth；The semi-finished product sizing material will fan the air heart film, and depositing glue cannot be excessive, prevents from burning.
5. the preparation method of pusher-tray type clutch rubber pneumatic bag according to claim 3, it is characterised in that: the vulcanization work
In skill, the minimum pressure of liquid water is 25 kilograms/cm2 in high-pressure pump water supply process；When vulcanizing progress, liquid water is heated swollen
It is swollen, step up the intrinsic pressure of air bag.
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| CN201910183249.3A CN109971045A (en) | 2019-03-12 | 2019-03-12 | Pusher-tray type clutch rubber pneumatic bag and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030191232A1 (en) * | 2002-04-08 | 2003-10-09 | Lin Shaow Burn | Curable coating compositions from emulsions of elastomeric polymers and polyurethane dispersions |
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