CN107023598B - 一种鼓式刹车片半湿法生产工艺 - Google Patents

一种鼓式刹车片半湿法生产工艺 Download PDF

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CN107023598B
CN107023598B CN201710413563.7A CN201710413563A CN107023598B CN 107023598 B CN107023598 B CN 107023598B CN 201710413563 A CN201710413563 A CN 201710413563A CN 107023598 B CN107023598 B CN 107023598B
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CN107023598A (zh
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马建平
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HAIYAN OUYATE AUTOMOBILE PARTS CO Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/02Composition of linings ; Methods of manufacturing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/02Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/22Component parts, details or accessories; Auxiliary operations
    • B29B7/24Component parts, details or accessories; Auxiliary operations for feeding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/80Component parts, details or accessories; Auxiliary operations
    • B29B7/88Adding charges, i.e. additives
    • B29B7/94Liquid charges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • B29C67/248Moulding mineral fibres or particles bonded with resin, e.g. for insulating or roofing board
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/02Composition of linings ; Methods of manufacturing
    • F16D69/025Compositions based on an organic binder
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00Materials; Production methods therefor
    • F16D2200/0034Materials; Production methods therefor non-metallic
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00Materials; Production methods therefor
    • F16D2200/006Materials; Production methods therefor containing fibres or particles
    • F16D2200/0065Inorganic, e.g. non-asbestos mineral fibres
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00Materials; Production methods therefor
    • F16D2200/0082Production methods therefor
    • F16D2200/0086Moulding materials together by application of heat and pressure

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structure Of Transmissions (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Braking Arrangements (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

本发明公开了一种鼓式刹车片半湿法生产工艺,包括以下步骤:a)一次混合;b)二次混合;c)固化成型;d)粘贴;e)加工。本发明通过将液体树脂加入到犁耙式混料机中和干料一起搅拌,使得各组分在搅拌时不易产生大量的粉尘,节约了原料,提高了混合均匀度;在干料中加入氢氧化钙、氧化钙、氧化镁可以大大提高所制得的刹车片的强度和耐热性能,使得刹车片经久耐用;密封盖配合抽气管的设置可以有效的将混合料中的空气排出,提高了产品质量。

Description

一种鼓式刹车片半湿法生产工艺
【技术领域】
本发明涉及刹车片的技术领域,特别是鼓式刹车片半湿法生产工艺的技术领域。
【背景技术】
刹车是汽车上一个重要的部件,汽车上的刹车主要分为鼓式和盘式。鼓式刹车中会安装鼓式刹车片。现有的鼓式刹车片往往采用干式生产法进行生产,在生产过程中容易产生大量的粉尘,不但浪费了资源,也容易对生产者的身体健康造成威胁,部分采用半湿法生产的刹车片强度低,耐热性差。
【发明内容】
本发明的目的就是解决现有技术中的问题,提出一种鼓式刹车片半湿法生产工艺,能够使鼓式刹车片生产时不易产生粉尘,同时制得的刹车片具有很好的强度和耐热性能。
为实现上述目的,本发明提出了一种鼓式刹车片半湿法生产工艺,包括以下步骤:
a)一次混合:将干料倒入犁耙式混料机中进行搅拌,干料由矿物纤维、酚醛树脂、摩擦粉、硫酸钡、硫酸钙晶须、玻璃纤维、氢氧化钙、氧化钙、氧化镁组成;
b)二次混合:往犁耙式混料机中喷入液体树脂,在喷入过程中犁耙式混料机始终处于搅拌状态,液体树脂加入完成后继续搅拌一段时间形成混合料;
c)固化成型:将制得的混合料倒入模具中,并加压加热一段时间,使得混合料固化成型,形成摩擦片胚体;
d)粘贴:在摩擦片胚体的其中一面涂上粘贴胶,并将摩擦片粘在处理完毕的刹车片蹄铁上,并进行热处理,然后自然冷却,形成刹车片胚体;
e)加工:对刹车片胚体进行切削、打磨、钻孔、喷涂,形成刹车片,然后将刹车片进行包装。
作为优选,所述步骤a)一次混合中犁耙式混料机的搅拌速度为50-90转/分钟,搅拌时间为6-8分钟。
作为优选,所述步骤a)一次混合中干料各组分依次加入,加入的过程中不断搅拌。
作为优选,所述步骤b)二次混合中犁耙式混料机的转速随着液体树脂的喷入从50-90转/分钟提高至220-250转/分钟,液体树脂喷入完毕后犁耙式混料机继续以220-250转/分钟的速度搅拌20-40分钟。
作为优选,所述犁耙式混料机内壁上设有用于喷入液体树脂的进液管,犁耙式混料机顶部设有一个密封盖,密封盖上设有一个抽气管,在进行步骤b)二次混合盖上密封盖,并进行抽气,使得犁耙式混料机处于负压状态。
作为优选,所述步骤d)粘贴中热处理温度为150-160℃,处理时间为7-8小时。
作为优选,所述液体树脂为卡德莱公司生产的NX5334型液体树脂。
本发明的有益效果:本发明通过将液体树脂加入到犁耙式混料机中和干料一起搅拌,使得各组分在搅拌时不易产生大量的粉尘,节约了原料,提高了混合均匀度;在干料中加入氢氧化钙、氧化钙、氧化镁可以大大提高所制得的刹车片的强度和耐热性能,使得刹车片经久耐用;密封盖配合抽气管的设置可以有效的将混合料中的空气排出,提高了产品质量。
本发明的特征及优点将通过实施例进行详细说明。
【具体实施方式】
本发明一种鼓式刹车片半湿法生产工艺,包括以下步骤:
a)一次混合:将干料倒入犁耙式混料机中进行搅拌,干料由矿物纤维、酚醛树脂、摩擦粉、硫酸钡、硫酸钙晶须、玻璃纤维、氢氧化钙、氧化钙、氧化镁组成;
b)二次混合:往犁耙式混料机中喷入液体树脂,在喷入过程中犁耙式混料机始终处于搅拌状态,液体树脂加入完成后继续搅拌一段时间形成混合料;
c)固化成型:将制得的混合料倒入模具中,并加压加热一段时间,使得混合料固化成型,形成摩擦片胚体;
d)粘贴:在摩擦片胚体的其中一面涂上粘贴胶,并将摩擦片粘在处理完毕的刹车片蹄铁上,并进行热处理,然后自然冷却,形成刹车片胚体;
e)加工:对刹车片胚体进行切削、打磨、钻孔、喷涂,形成刹车片,然后将刹车片进行包装。
所述步骤a)一次混合中犁耙式混料机的搅拌速度为50-90转/分钟,搅拌时间为6-8分钟,所述步骤a)一次混合中干料各组分依次加入,加入的过程中不断搅拌,所述步骤b)二次混合中犁耙式混料机的转速随着液体树脂的喷入从50-90转/分钟提高至220-250转/分钟,液体树脂喷入完毕后犁耙式混料机继续以220-250转/分钟的速度搅拌20-40分钟,所述犁耙式混料机内壁上设有用于喷入液体树脂的进液管,犁耙式混料机顶部设有一个密封盖,密封盖上设有一个抽气管,在进行步骤b)二次混合盖上密封盖,并进行抽气,使得犁耙式混料机处于负压状态,所述步骤d)粘贴中热处理温度为150-160℃,处理时间为7-8小时,所述液体树脂为卡德莱公司生产的NX5334型液体树脂。
本发明工作过程:
本发明一种鼓式刹车片半湿法生产工艺在工作过程中,将液体树脂加入到犁耙式混料机中和干料一起搅拌,使得各组分在搅拌时不易产生大量的粉尘,节约了原料,提高了混合均匀度;在干料中加入氢氧化钙、氧化钙、氧化镁可以大大提高所制得的刹车片的强度和耐热性能,使得刹车片经久耐用;密封盖配合抽气管的设置可以有效的将混合料中的空气排出,提高了产品质量。
上述实施例是对本发明的说明,不是对本发明的限定,任何对本发明简单变换后的方案均属于本发明的保护范围。

Claims (6)

1.一种鼓式刹车片半湿法生产工艺,其特征在于:包括以下步骤:
a)一次混合:将干料倒入犁耙式混料机中进行搅拌,干料由矿物纤维、酚醛树脂、摩擦粉、硫酸钡、硫酸钙晶须、玻璃纤维、氢氧化钙、氧化钙、氧化镁组成,所述犁耙式混料机内壁上设有用于喷入液体树脂的进液管,犁耙式混料机顶部设有一个密封盖,密封盖上设有一个抽气管;
b)二次混合:盖上密封盖,往犁耙式混料机中喷入液体树脂,在喷入过程中犁耙式混料机始终处于搅拌状态,液体树脂加入完成后继续搅拌一段时间形成混合料,搅拌时进行抽气,使得犁耙式混料机处于负压状态;
c)固化成型:将制得的混合料倒入模具中,并加压加热一段时间,使得混合料固化成型,形成摩擦片胚体;
d)粘贴:在摩擦片胚体的其中一面涂上粘贴胶,并将摩擦片粘在处理完毕的刹车片蹄铁上,并进行热处理,然后自然冷却,形成刹车片胚体;
e)加工:对刹车片胚体进行切削、打磨、钻孔、喷涂,形成刹车片,然后将刹车片进行包装。
2.如权利要求1所述的一种鼓式刹车片半湿法生产工艺,其特征在于:所述步骤a)一次混合中犁耙式混料机的搅拌速度为50-90转/分钟,搅拌时间为6-8分钟。
3.如权利要求1所述的一种鼓式刹车片半湿法生产工艺,其特征在于:所述步骤a)一次混合中干料各组分依次加入,加入的过程中不断搅拌。
4.如权利要求1所述的一种鼓式刹车片半湿法生产工艺,其特征在于:所述步骤b)二次混合中犁耙式混料机的转速随着液体树脂的喷入从50-90转/分钟提高至220-250转/分钟,液体树脂喷入完毕后犁耙式混料机继续以220-250转/分钟的速度搅拌20-40分钟。
5.如权利要求1所述的一种鼓式刹车片半湿法生产工艺,其特征在于:所述步骤d)粘贴中热处理温度为150-160℃,处理时间为7-8小时。
6.如权利要求1所述的一种鼓式刹车片半湿法生产工艺,其特征在于:所述液体树脂为卡德莱公司生产的NX5334型液体树脂。
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Citations (4)

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Publication number Priority date Publication date Assignee Title
EP1039168A1 (en) * 1999-03-24 2000-09-27 BorgWarner Inc. Non-asbestos material and process for producing the same
CN103161859A (zh) * 2013-04-04 2013-06-19 青岛文晟汽车零部件有限公司 一种汽车刹车片
CN103343793A (zh) * 2013-06-27 2013-10-09 武汉市祥龙摩擦材料有限责任公司 无石棉湿法辊压汽车鼓式刹车片及其生产方法
CN105295841A (zh) * 2015-12-02 2016-02-03 重庆红宇摩擦制品有限公司 防锈粘连汽车制动衬片组分及汽车制动衬片制备方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1039168A1 (en) * 1999-03-24 2000-09-27 BorgWarner Inc. Non-asbestos material and process for producing the same
CN103161859A (zh) * 2013-04-04 2013-06-19 青岛文晟汽车零部件有限公司 一种汽车刹车片
CN103343793A (zh) * 2013-06-27 2013-10-09 武汉市祥龙摩擦材料有限责任公司 无石棉湿法辊压汽车鼓式刹车片及其生产方法
CN105295841A (zh) * 2015-12-02 2016-02-03 重庆红宇摩擦制品有限公司 防锈粘连汽车制动衬片组分及汽车制动衬片制备方法

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