CN109648877A - 一种集成密封硅胶条的汽车中冷器水室的生产方法 - Google Patents
一种集成密封硅胶条的汽车中冷器水室的生产方法 Download PDFInfo
- Publication number
- CN109648877A CN109648877A CN201811285809.8A CN201811285809A CN109648877A CN 109648877 A CN109648877 A CN 109648877A CN 201811285809 A CN201811285809 A CN 201811285809A CN 109648877 A CN109648877 A CN 109648877A
- Authority
- CN
- China
- Prior art keywords
- water chamber
- silica gel
- adhesive tape
- sealed silicon
- silicon adhesive
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 82
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 239000000741 silica gel Substances 0.000 title claims abstract description 55
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 55
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000002390 adhesive tape Substances 0.000 claims abstract description 41
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 41
- 239000010703 silicon Substances 0.000 claims abstract description 41
- 238000000465 moulding Methods 0.000 claims abstract description 21
- 238000007689 inspection Methods 0.000 claims abstract description 9
- 238000002360 preparation method Methods 0.000 claims abstract description 7
- 238000011068 loading method Methods 0.000 claims abstract description 6
- 229960001866 silicon dioxide Drugs 0.000 claims description 53
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 36
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- 239000007787 solid Substances 0.000 claims description 20
- 239000000498 cooling water Substances 0.000 claims description 18
- 229920003656 Daiamid® Polymers 0.000 claims description 17
- 239000000843 powder Substances 0.000 claims description 16
- -1 alkylamino silica gel Chemical compound 0.000 claims description 13
- 150000001875 compounds Chemical class 0.000 claims description 12
- 238000010992 reflux Methods 0.000 claims description 12
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 9
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 9
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 8
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 8
- 238000013019 agitation Methods 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 8
- 238000001746 injection moulding Methods 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 239000005662 Paraffin oil Substances 0.000 claims description 4
- 235000021355 Stearic acid Nutrition 0.000 claims description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 4
- 239000005864 Sulphur Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 239000011259 mixed solution Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 4
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 4
- 239000011541 reaction mixture Substances 0.000 claims description 4
- 239000008117 stearic acid Substances 0.000 claims description 4
- 239000011787 zinc oxide Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 abstract description 8
- 239000003292 glue Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 8
- 238000012986 modification Methods 0.000 description 8
- 238000007385 chemical modification Methods 0.000 description 5
- 230000003064 anti-oxidating effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 206010033799 Paralysis Diseases 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007112 amidation reaction Methods 0.000 description 1
- 230000003026 anti-oxygenic effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Classifications
-
- 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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/001—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts
-
- 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
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7461—Combinations of dissimilar mixers
-
- 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
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76498—Pressure
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76531—Temperature
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76551—Time
- B29C2945/76561—Time duration
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
一种集成密封硅胶条的汽车中冷器水室的生产方法,包括以下生产步骤:密封硅胶条制备→散热器水室制备→密封硅胶条硫化成型→开模送检,本发明使散热器装配过程简化,减少密封硅胶条装配的工序,减少操作强度,彻底解决漏装的重大质量风险,节约能耗,降低成本;本发明采用密封硅胶条和水室一并硫化成型的工艺,不需要使用胶水等粘合剂,该工艺使密封硅胶条的尺寸可控制到微公差±0.1mm,解决密封圈长度不一,扭曲变形难以装配,密封效果不好的问题。
Description
技术领域
本发明涉及汽车零配件领域,具体为一种集成密封硅胶条的汽车中冷器水室的生产方法。
背景技术
中冷器一般只有在安装了增压器的车才能看到,属于汽车中冷器中的一种。因为中冷器实际上是涡轮增压的配套件,其作用在于降低增压后的高温空气温度、以降低发动机的热负荷,提高进气量,进而增加发动机的功率。而中冷器的核心部件之一密封条,若其出问题则整个散热系统瘫痪,导致汽车无法使用(如拉缸爆缸、烧机油、自燃等)。
传统的中冷器生产中,现行主流采用传统硅胶条切割后,采用水室+密封硅胶条+主片三种产品扣压在一起形成密封,因此常常遇到密封硅胶条长度不一,扭曲变形,漏装等等问题而导致散热器冷却液泄露,冷却液泄露则导致散热系统瘫痪损坏汽车,且传统的橡胶和硅胶由于耐热性能和抗氧化性能不足,寿命很短,更换水室密封条的频率较高。
硅胶是一种分子链兼具无机和有机性质的高分子弹性材料,被广泛应用于航天、化工、农业和医疗卫生等领域,但硅胶的强度、耐油、耐腐蚀、抗氧化和耐蒸汽性能存在一定不足,因此硅胶的改性研究一直是热门科研方向,目前常用的硅胶改性方法分为化学改性和物理改性,化学改性的工艺复杂,操作繁琐,而物理改性虽然简单,但物理改性需要考量改性物质之间的相容性问题,因此近年来人们对硅胶改性的研究仍在不断开展和深入。
因此,申请人希望通过研究得到一种集成密封硅胶条的汽车中冷器水室,能彻底解决传统密封圈装配困难、寿命短、密封性不强等为导致的泄露。
发明内容
本发明的目的是提供一种集成密封硅胶条的汽车中冷器水室的生产方法,为达到上述目的,本发明的技术方案如下:
一种集成密封硅胶条的汽车中冷器水室的生产方法,包括以下生产步骤:
①密封硅胶条制备:
a.向装有0.01mol/L的氢氧化钠溶液的容器中加入硅烷偶联剂得到混合溶液,所述氢氧化钠溶液和硅烷偶联剂的重量份数比为50:1,超声波搅拌滴加正硅酸乙酯,所述混合溶液与正硅酸乙酯的重量份数比40:1为将反应混合物加热至30~50℃,回流提取5~12h后再加热至50~80℃,回流提取5~12h,待反应停止后,将所得产物用甲醇洗涤1~5次后送入温度为40~60℃的真空干燥箱中干燥18~30h,得到所述氨基硅胶固体粉末;
b.聚酰胺胺改性硅胶的制备:将氨基硅胶固体粉末倒入甲醇中,并加入丙烯酸甲酯,甲醇与氨基硅胶固体粉末的重量份数比为1.5:1,加热至30~50℃搅拌回流18~30h后停止反应,带反应冷却后真空过滤产物,再用甲醇洗涤产物1~3次后送入温度为40~60℃的真空干燥箱中干燥24h,得到所述聚酰胺胺改性硅胶固体;
c.将制得的聚酰胺胺改性硅胶固体与氟橡胶放入密炼机中加压4~6分钟,再加入防老剂RD 1~3份、氧化锌 5~10份、硬脂酸0.1~1份和石蜡油 20~40份加压4~5分钟后排胶得到混炼胶,所述加压压力为12~14Mpa;
d.将混炼得到的混炼胶停放10~15小时后,送入开炼机,加入硫磺粉0.1~0.2份,出片薄通,薄通厚度0.5~1mm,薄通4次;
e.将薄通后的混炼胶切成厚度6~12mm,宽度70~120mm的条状,得到所述用于汽车中冷器的密封硅胶条;
②散热器水室制备:所述散热器水室包括,冷却水入口(1)、冷却水出口(2)、水室(3)、水室固定结构(4)和密封槽(5),所述冷却水入口(1)和冷却水出口(2)分别位于水室(3)头尾两侧,水室固定结构(4)分布在水室(3)左右两侧,密封槽(5)环绕在水室(3)侧壁的顶部,按照上述要求制备模具后注塑成型,注塑成型的温度为260~280℃,成型时间1~5min,压力10~12Mpa;
③密封硅胶条硫化成型:将密封硅胶条装入散热器水室的密封槽(5)中,把装载密封硅胶条的散热器水室放入电热阻加热模具中压合硫化成型,模具采用上、下模共同加热的方式,温度控制170~190℃,时间3~8min,压力14~15Mpa;
④开模送检:硫化成型后待模具降至室温后开模取出散热器水室,,并对所述集成密封硅胶条的汽车中冷器水室的外观实施检验,飞边或杂质>0.2mm的不合格品,飞边或杂质≤0.2mm的为合格品,即所述集成密封硅胶条的汽车中冷器水室。
所述超声搅拌的超声频率为8~20kHz。
硅胶改性的原理:
首先将正硅酸乙酯在硅烷偶联剂的作用下碱性水解,得到氨基硅胶,再通过酰胺化缩合反应合成以硅胶为核的聚酰胺胺改性硅胶。
通过化学改性得到聚酰胺胺改性硅胶后,本发明又通过物理改性将聚酰胺胺改性硅胶与氟橡胶进行并用改性,最终获得的用于汽车中冷器的密封硅胶条。
硅胶改性的优势:
首先化学改性的目的是让硅胶具有强抗氧化性,并解决硅胶与氟橡胶之间极性相差很大,相容性较差的问题。
其次物理改性是在化学改性的前提下,使硅胶改性成为了具有强抗氧化性并且提高了与氟橡胶之间相容性的聚酰胺胺改性硅胶,再通过并用改性将聚酰胺胺改性硅胶与氟橡胶混炼制成具有强抗氧化性、耐高温蒸汽、耐低温、耐腐蚀和耐油的用于汽车中冷器的密封硅胶条。
硫化工艺的优势:
本发明将水室和密封硅胶条一并放入模具进行硫化,简化传统密封硅胶条的装配工序,同时解决传统密封硅胶条与水室之间需要胶水或粘连剂粘连的方式,硫化的过程采用上、下模具同时加热,会使密封硅胶条略微融化产生黏性,冷却后密封硅胶条与水室固定连接,可靠牢固。
本发明的优点:
(1)使散热器装配过程简化,减少密封硅胶条装配的工序,减少操作强度,彻底解决漏装的重大质量风险,节约能耗,降低成本。
(2)本发明取消了密封硅胶条的装配,直接将密封硅胶条固定在水室上,解决传统密封硅胶条与散热片装配过程中密封硅胶条移位、窜动进而导致冷冻液渗漏,延长了汽车中冷器的寿命。
③本发明采用密封硅胶条和水室一并硫化成型的工艺,不需要使用胶水等粘合剂,该工艺使密封硅胶条的尺寸可控制到微公差±0.1mm,解决密封圈长度不一,扭曲变形难以装配,密封效果不好的问题。
附图说明
图1为所述集成密封硅胶条的汽车中冷器水室的结构示意图;
图2为所述集成密封硅胶条的汽车中冷器水室的立体结构示意图;
图中各标识的含义如下:
1-冷却水入口;2-冷却水出口;3-水室;4-水室固定结构;5-密封槽。
具体实施方式
实施例1
一种集成密封硅胶条的汽车中冷器水室的生产方法,包括以下生产步骤:
①密封硅胶条制备:
a.向装有0.01mol/L的氢氧化钠溶液的容器中加入硅烷偶联剂得到混合溶液,所述氢氧化钠溶液和硅烷偶联剂的重量份数比为50:1,超声波搅拌滴加正硅酸乙酯,所述混合溶液与正硅酸乙酯的重量份数比40:1为将反应混合物加热至30℃,回流提取5h后再加热至50℃,回流提取5h,待反应停止后,将所得产物用甲醇洗涤2次后送入温度为40℃的真空干燥箱中干燥18h,得到所述氨基硅胶固体粉末;
b.聚酰胺胺改性硅胶的制备:将氨基硅胶固体粉末倒入甲醇中,并加入丙烯酸甲酯,甲醇与氨基硅胶固体粉末的重量份数比为1.5:1,加热至30℃搅拌回流18h后停止反应,带反应冷却后真空过滤产物,再用甲醇洗涤产物1次后送入温度为40℃的真空干燥箱中干燥24h,得到所述聚酰胺胺改性硅胶固体;
c.将制得的聚酰胺胺改性硅胶固体与氟橡胶放入密炼机中加压4分钟,再加入防老剂RD 1份、氧化锌 5份、硬脂酸0.1份和石蜡油 20份加压4分钟后排胶得到混炼胶,所述加压压力为12Mpa;
d.将混炼得到的混炼胶停放10小时后,送入开炼机,加入硫磺粉0.1份,出片薄通,薄通厚度0.5mm,薄通4次;
e.将薄通后的混炼胶切成厚度6mm,宽度70mm的条状,得到所述用于汽车中冷器的密封硅胶条;
②散热器水室制备:所述散热器水室包括,冷却水入口(1)、冷却水出口(2)、水室(3)、水室固定结构(4)和密封槽(5),所述冷却水入口(1)和冷却水出口(2)分别位于水室(3)头尾两侧,水室固定结构(4)分布在水室(3)左右两侧,密封槽(5)环绕在水室(3)侧壁的顶部,按照上述要求制备模具后注塑成型,注塑成型的温度为260~280℃,成型时间1min,压力10Mpa;
③密封硅胶条硫化成型:将密封硅胶条装入散热器水室的密封槽(5)中,把装载密封硅胶条的散热器水室放入电热阻加热模具中压合硫化成型,模具采用上、下模共同加热的方式,温度控制170℃,时间3min,压力14Mpa;
④开模送检:硫化成型后待模具降至室温后开模取出散热器水室,,并对所述集成密封硅胶条的汽车中冷器水室的外观实施检验,飞边或杂质>0.2mm的不合格品,飞边或杂质≤0.2mm的为合格品,即所述集成密封硅胶条的汽车中冷器水室。
所述超声搅拌的超声频率为8kHz。
实施例2
一种集成密封硅胶条的汽车中冷器水室的生产方法,包括以下生产步骤:
①密封硅胶条制备:
a.向装有0.01mol/L的氢氧化钠溶液的容器中加入硅烷偶联剂得到混合溶液,所述氢氧化钠溶液和硅烷偶联剂的重量份数比为50:1,超声波搅拌滴加正硅酸乙酯,所述混合溶液与正硅酸乙酯的重量份数比40:1为将反应混合物加热至50℃,回流提取12h后再加热至80℃,回流提取12h,待反应停止后,将所得产物用甲醇洗涤5次后送入温度为60℃的真空干燥箱中干燥30h,得到所述氨基硅胶固体粉末;
b.聚酰胺胺改性硅胶的制备:将氨基硅胶固体粉末倒入甲醇中,并加入丙烯酸甲酯,甲醇与氨基硅胶固体粉末的重量份数比为1.5:1,加热至50℃搅拌回流30h后停止反应,带反应冷却后真空过滤产物,再用甲醇洗涤产物3次后送入温度为60℃的真空干燥箱中干燥24h,得到所述聚酰胺胺改性硅胶固体;
c.将制得的聚酰胺胺改性硅胶固体与氟橡胶放入密炼机中加压6分钟,再加入防老剂RD 3份、氧化锌 10份、硬脂酸1份和石蜡油 40份加压5分钟后排胶得到混炼胶,所述加压压力为14Mpa;
d.将混炼得到的混炼胶停放15小时后,送入开炼机,加入硫磺粉0.2份,出片薄通,薄通厚度1mm,薄通4次;
e.将薄通后的混炼胶切成厚度12mm,宽度120mm的条状,得到所述用于汽车中冷器的密封硅胶条;
②散热器水室制备:所述散热器水室包括,冷却水入口(1)、冷却水出口(2)、水室(3)、水室固定结构(4)和密封槽(5),所述冷却水入口(1)和冷却水出口(2)分别位于水室(3)头尾两侧,水室固定结构(4)分布在水室(3)左右两侧,密封槽(5)环绕在水室(3)侧壁的顶部,按照上述要求制备模具后注塑成型,注塑成型的温度为280℃,成型时间5min,压力12Mpa;
③密封硅胶条硫化成型:将密封硅胶条装入散热器水室的密封槽(5)中,把装载密封硅胶条的散热器水室放入电热阻加热模具中压合硫化成型,模具采用上、下模共同加热的方式,温度控制190℃,时间8min,压力15Mpa;
④开模送检:硫化成型后待模具降至室温后开模取出散热器水室,,并对所述集成密封硅胶条的汽车中冷器水室的外观实施检验,飞边或杂质>0.2mm的不合格品,飞边或杂质≤0.2mm的为合格品,即所述集成密封硅胶条的汽车中冷器水室。
所述超声搅拌的超声频率为20kHz。
申请人选择本发明与市面上购买的普通汽车中冷器水室各十个进行性能比较,在温度23℃,空气湿度62%的环境下比较密封硅胶条性能;在环境高温130℃,低温-40℃,周期为2次,高低温各保持5h,低温完成后在15min钟内通入200kpa压力空气,保压1min,测试泄漏率,结果如下表:
比较项目 | 本发明 | 普通汽车中冷器水室 |
密封硅胶条拉伸强度 | ≥11MPa | ≥6MPa |
密封硅胶条拉断伸长率 | ≥300% | ≥180% |
耐冷却液性能 | 118℃x168h | 100℃x168h |
泄漏率 | 平均3.2cc/min | 平均6cc/min |
耐高温性能 | 345℃ | 180℃ |
从上表可以看出,本发明生产的集成硅胶条的汽车中冷器水室比普通汽车中冷器水室的泄漏率降低一倍,制备的密封硅胶条的性能也比普通市面上能见到的密封硅胶条性能更好,因此整体集成硅胶条的汽车中冷器水室的性能远比普通汽车中冷器水室的性能高。
Claims (2)
1.一种集成密封硅胶条的汽车中冷器水室的生产方法,其特征在于,包括以下生产步骤:
①密封硅胶条制备:
a.向装有0.01mol/L的氢氧化钠溶液的容器中加入硅烷偶联剂得到混合溶液,所述氢氧化钠溶液和硅烷偶联剂的重量份数比为50:1,超声波搅拌滴加正硅酸乙酯,所述混合溶液与正硅酸乙酯的重量份数比40:1为将反应混合物加热至30~50℃,回流提取5~12h后再加热至50~80℃,回流提取5~12h,待反应停止后,将所得产物用甲醇洗涤1~5次后送入温度为40~60℃的真空干燥箱中干燥18~30h,得到所述氨基硅胶固体粉末;
b.聚酰胺胺改性硅胶的制备:将氨基硅胶固体粉末倒入甲醇中,并加入丙烯酸甲酯,甲醇与氨基硅胶固体粉末的重量份数比为1.5:1,加热至30~50℃搅拌回流18~30h后停止反应,带反应冷却后真空过滤产物,再用甲醇洗涤产物1~3次后送入温度为40~60℃的真空干燥箱中干燥24h,得到所述聚酰胺胺改性硅胶固体;
c.将制得的聚酰胺胺改性硅胶固体与氟橡胶放入密炼机中加压4~6分钟,再加入防老剂RD 1~3份、氧化锌 5~10份、硬脂酸0.1~1份和石蜡油 20~40份加压4~5分钟后排胶得到混炼胶,所述加压压力为12~14Mpa;
d.将混炼得到的混炼胶停放10~15小时后,送入开炼机,加入硫磺粉0.1~0.2份,出片薄通,薄通厚度0.5~1mm,薄通4次;
e.将薄通后的混炼胶切成厚度6~12mm,宽度70~120mm的条状,得到所述用于汽车中冷器的密封硅胶条;
②散热器水室制备:所述散热器水室包括,冷却水入口(1)、冷却水出口(2)、水室(3)、水室固定结构(4)和密封槽(5),所述冷却水入口(1)和冷却水出口(2)分别位于水室(3)头尾两侧,水室固定结构(4)分布在水室(3)左右两侧,密封槽(5)环绕在水室(3)侧壁的顶部,按照上述要求制备模具后注塑成型,注塑成型的温度为260~280℃,成型时间1~5min,压力10~12Mpa;
③密封硅胶条硫化成型:将密封硅胶条装入散热器水室的密封槽(5)中,把装载密封硅胶条的散热器水室放入电热阻加热模具中压合硫化成型,模具采用上、下模共同加热的方式,温度控制170~190℃,时间3~8min,压力14~15Mpa;
④开模送检:硫化成型后待模具降至室温后开模取出散热器水室,,并对所述集成密封硅胶条的汽车中冷器水室的外观实施检验,飞边或杂质>0.2mm的不合格品,飞边或杂质≤0.2mm的为合格品,即所述集成密封硅胶条的汽车中冷器水室。
2.根据权利要求1所述的集成密封硅胶条的汽车中冷器水室的生产方法,其特征在于:所述超声搅拌的超声频率为8~20kHz。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811285809.8A CN109648877A (zh) | 2018-10-31 | 2018-10-31 | 一种集成密封硅胶条的汽车中冷器水室的生产方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811285809.8A CN109648877A (zh) | 2018-10-31 | 2018-10-31 | 一种集成密封硅胶条的汽车中冷器水室的生产方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109648877A true CN109648877A (zh) | 2019-04-19 |
Family
ID=66110557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811285809.8A Pending CN109648877A (zh) | 2018-10-31 | 2018-10-31 | 一种集成密封硅胶条的汽车中冷器水室的生产方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109648877A (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109852074A (zh) * | 2019-01-21 | 2019-06-07 | 广西新三达橡胶科技有限公司 | 一种用于汽车中冷器的密封硅胶条的制备方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104072817A (zh) * | 2014-06-12 | 2014-10-01 | 安徽安尔达机电有限公司 | 一种高性能水泵用橡胶密封材料 |
CN104260249A (zh) * | 2014-09-25 | 2015-01-07 | 马鞍山宏力橡胶制品有限公司 | 一种pccp专用超大口径橡胶密封圈的生产工艺及冷却器 |
CN106335201A (zh) * | 2016-08-26 | 2017-01-18 | 萍乡市欧凯孚密封件有限公司 | 一种发电机组油底壳密封条生产工艺 |
CN106594413A (zh) * | 2016-12-27 | 2017-04-26 | 张炎斌 | 一种层结构耐侵蚀橡胶内衬 |
CN107057367A (zh) * | 2017-01-23 | 2017-08-18 | 青岛颐科密封材料有限公司 | 一种电磁屏蔽密封制品及其制作工艺 |
CN207195025U (zh) * | 2017-05-24 | 2018-04-06 | 扬州合瑞精密制造有限公司 | 一种密封性能稳定的散热器水室 |
-
2018
- 2018-10-31 CN CN201811285809.8A patent/CN109648877A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104072817A (zh) * | 2014-06-12 | 2014-10-01 | 安徽安尔达机电有限公司 | 一种高性能水泵用橡胶密封材料 |
CN104260249A (zh) * | 2014-09-25 | 2015-01-07 | 马鞍山宏力橡胶制品有限公司 | 一种pccp专用超大口径橡胶密封圈的生产工艺及冷却器 |
CN106335201A (zh) * | 2016-08-26 | 2017-01-18 | 萍乡市欧凯孚密封件有限公司 | 一种发电机组油底壳密封条生产工艺 |
CN106594413A (zh) * | 2016-12-27 | 2017-04-26 | 张炎斌 | 一种层结构耐侵蚀橡胶内衬 |
CN107057367A (zh) * | 2017-01-23 | 2017-08-18 | 青岛颐科密封材料有限公司 | 一种电磁屏蔽密封制品及其制作工艺 |
CN207195025U (zh) * | 2017-05-24 | 2018-04-06 | 扬州合瑞精密制造有限公司 | 一种密封性能稳定的散热器水室 |
Non-Patent Citations (1)
Title |
---|
魏亚玲: "硅胶表面上聚酰胺-胺的合成及其对Ag(I)的吸附" * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109852074A (zh) * | 2019-01-21 | 2019-06-07 | 广西新三达橡胶科技有限公司 | 一种用于汽车中冷器的密封硅胶条的制备方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109968762B (zh) | 一种铝塑复合膜用流延聚丙烯薄膜及其制备方法 | |
CN102690626B (zh) | 一种湿气快速固化的单组份聚氨酯密封胶及其制备方法 | |
CN107383764A (zh) | 一种复合低导热材料及其制备方法 | |
CN107474403B (zh) | 一种复合胶管内外胶材料及其制备方法与应用 | |
CN103555264A (zh) | 高剥离强度聚硫密封胶及密封方法 | |
CN109648877A (zh) | 一种集成密封硅胶条的汽车中冷器水室的生产方法 | |
CN103289596A (zh) | 航空轮胎静平衡补片用胶浆胶 | |
CN103289143A (zh) | 节能轮胎胎面橡胶组合物及其制备方法 | |
CN104371327B (zh) | 一种耐高温材料、一种耐高温密封条及其制备方法 | |
CN103342837B (zh) | 一种耐臭氧老化性能好且强度高的航空轮胎静平衡片外包胶胶料 | |
CN109852074A (zh) | 一种用于汽车中冷器的密封硅胶条的制备方法 | |
CN108395865A (zh) | 一种光伏背板防水高强耐热胶黏剂及其制备方法 | |
CN111621110A (zh) | 一种用于注射工艺的高性能羧酸型丙烯酸酯橡胶配方 | |
CN113861595B (zh) | 一种用于转注成型的氟胶材料及其制备方法以及转注成型方法 | |
CN108488137A (zh) | 一种新型水冷气缸 | |
CN109556444A (zh) | 一种集成密封橡胶条的汽车散热器水室的生产方法 | |
CN102181157A (zh) | 挤出型热力盾构隧道管片硅橡胶止水带胶料的制备方法 | |
CN108412739A (zh) | 一种带有冷却胶的水冷气缸 | |
CN105936812A (zh) | 一种耐高温板材胶粘剂 | |
CN108659283A (zh) | 一种耐磨抗疲劳热塑性弹性体的制备方法 | |
CN218262261U (zh) | 一种用于玻璃制造的增压容器 | |
CN216778772U (zh) | 一种保塑型聚羧酸减水剂的常温合成设备 | |
CN110101170B (zh) | 一种拉链加强胶带、其制备方法及拉链 | |
CN110511657B (zh) | 一种可低温固化的防热粘接功能一体化复合材料及其制备方法和应用 | |
CN217169698U (zh) | 一种防火密封条复合挤出设备 |
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 | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190419 |
|
RJ01 | Rejection of invention patent application after publication |