WO2015089827A1 - 气弹簧棒芯外管上漆方法及系统 - Google Patents

气弹簧棒芯外管上漆方法及系统 Download PDF

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Publication number
WO2015089827A1
WO2015089827A1 PCT/CN2013/090106 CN2013090106W WO2015089827A1 WO 2015089827 A1 WO2015089827 A1 WO 2015089827A1 CN 2013090106 W CN2013090106 W CN 2013090106W WO 2015089827 A1 WO2015089827 A1 WO 2015089827A1
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Prior art keywords
cleaning
workpiece
painting
outer tube
pressure
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PCT/CN2013/090106
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English (en)
French (fr)
Inventor
邓志刚
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邓志刚
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Application filed by 邓志刚 filed Critical 邓志刚
Priority to PCT/CN2013/090106 priority Critical patent/WO2015089827A1/zh
Publication of WO2015089827A1 publication Critical patent/WO2015089827A1/zh

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    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D13/00Electrophoretic coating characterised by the process
    • C25D13/12Electrophoretic coating characterised by the process characterised by the article coated
    • C25D13/14Tubes; Rings; Hollow bodies
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D13/00Electrophoretic coating characterised by the process
    • C25D13/20Pretreatment

Definitions

  • BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the manufacture of gas springs, and more particularly to the production process of components of gas springs. BACKGROUND OF THE INVENTION The applicant's publication date is November 25, 2009, and the Chinese Patent Application Publication No. CN101586639 discloses a gas spring which is composed of an outer riser and a pneumatic lifting device, and the pneumatic lifting device is inserted outside.
  • the pneumatic lifting device comprises an outer tube, a piston rod, an inner tube and a valve seat provided with a starting button, the valve seat is stuck at one end of the outer tube, and a starting button is exposed at an upper end of the outer tube; the piston rod passes through the inner tube One end of the piston rod is exposed to the inner tube, and the end of the piston rod is connected with a ventilation support, a Y-ring, a compression ring, a rubber top sleeve is arranged between the valve body and the piston, and a piston is connected to the other end of the piston rod.
  • the piston is sleeved with a sealing ring, the outer side of the inner tube end piston is connected with a valve body, the valve body is provided with a valve needle;
  • the pneumatic lifting device comprises an outer tube, and the valve body of the pneumatic lifting device is connected with the valve seat in the outer tube, The piston rod is exposed to the outer tube, and the piston rod exposed on the outer tube is sleeved with a cushion, a bearing and a flat pad;
  • the inner tube is an inner tube of plastic material, and the outer surface of the inner tube is provided with a ventilation groove, the inner tube Closely attached to the outer tube.
  • the above structure is a typical structure of a gas spring, and in order to keep the outer tube from rusting, it is generally required to perform surface treatment on the outer tube.
  • the traditional outer tube surface treatment includes chrome plating and nitriding, but the surface after nitriding treatment is often not smooth enough, and the outer surface of the outer tube and the inner surface of the outer tube are matched, so that the surface is as smooth as possible. Degree, extended service life, improved accuracy.
  • a gas spring rod outer tube painting method which comprises pretreating an outer tube after machining is completed; phosphating; painting Pre-cleaning step; electrophoretic painting, After painting, it is cleaned; after cleaning, the workpiece can be dried.
  • the outer surface of the rod core after the lacquering method has a high surface smoothness, thereby prolonging the life of the gas spring.
  • the pretreatment may include one or more of degreasing, descaling, washing, and rust prevention. Degreasing involves removing impurities such as grease from the surface of the workpiece with an alkaline degreaser.
  • Descaling involves removing the oxide layer and the rusted portion of the surface of the workpiece with hydrochloric acid.
  • Cleaning involves removing debris and acid residues that remain on the surface of the workpiece after rust removal.
  • Rust prevention involves the use of rust inhibitors to prevent reoxidation of the workpiece.
  • the lacquering temperature is preferably controlled within a range of from about 25 to 30 ° C, preferably about 28 ° C, i.e., a temperature of 28 ° C ⁇ 1% for best results.
  • the cleaning step before painting includes one cleaning: that is, removing the phosphating solution on the surface of the workpiece; high-pressure water spraying: removing impurities on the surface of the workpiece; secondary cleaning: removing high pressure The part of the workpiece that cannot be washed by water; and, the second high-pressure pure water spray: rinse the surface of the workpiece with pure high-pressure water.
  • the workpiece cleaned in this way can basically achieve no attachment of any debris. This ensures an efficient combination of the paint film and the phosphate film during the painting step.
  • the cleaning step after painting may include a high-pressure pure water spray: that is, removing the residue after painting; one cleaning: removing the portion of the workpiece that cannot be washed by the high-pressure water; and the second high-pressure pure water spraying: using the high pressure
  • the water is rinsed again on the surface of the workpiece to ensure that the workpiece is clean and qualified.
  • the drying of the workpiece can be carried out by various drying methods, preferably by drying: the workpiece is placed in a drying oven and placed at a temperature of 240 ° C ⁇ 5 ° C for a period of time, thereby quickly drying Dry the moisture on the workpiece.
  • the dried workpiece can be packaged.
  • the system includes a rod outer tube production line, the line including at least one transfer portion And a phosphor chemical layer for forming a phosphate film on the surface of the workpiece to enhance adhesion of the paint on the surface of the workpiece, a first cleaning station, and a second cleaning station connected by the conveying portion; wherein the first The cleaning station and the second cleaning station are both supplied with water by a pure water production machine; the system further comprises an electrophoresis painting machine, which is disposed between the first cleaning station and the second cleaning station for the rod The outer core tube is painted.
  • a drying device may also be included for drying the outer core of the rod that has been lacquered through the second cleaning station.
  • the first cleaning station may include a first cleaning pool, a first high pressure cleaning nozzle, a second cleaning pool, and a second high pressure cleaning nozzle arranged in sequence to realize a rod outer tube to be painted. Thorough cleaning of the debris.
  • the second cleaning station may include a third high pressure nozzle: that is, a high pressure pure water is sprayed to remove the residue after painting; a third cleaning pool: a portion where the workpiece not washed by the high pressure water is removed; and a fourth high pressure nozzle: The high pressure water rinses the surface of the workpiece again to ensure that the workpiece is clean and qualified.
  • a third high pressure nozzle that is, a high pressure pure water is sprayed to remove the residue after painting
  • a third cleaning pool a portion where the workpiece not washed by the high pressure water is removed
  • a fourth high pressure nozzle The high pressure water rinses the surface of the workpiece again to ensure that the workpiece is clean and qualified.
  • Each of the high pressure flat nozzles and the cleaning pool takes water from the pure water production machine.
  • FIG. 2 is a flow chart of a pretreatment process of a painting method according to an embodiment of the present invention
  • FIG. 3 is a prepainting process of a painting method according to an embodiment of the present invention.
  • Flow chart of the cleaning process 4 is a flow chart of a post-painting cleaning process of a painting method according to an embodiment of the present invention
  • FIG. 5 is a structural view of a painting system of a painting method according to an embodiment of the present invention.
  • Ranges may be expressed herein as a particular value of "about” or “approximately” or “substantially” to another particular value of "about” or “approximately” or “substantially”.
  • Other exemplary embodiments include values from one particular value and/or to another particular value when the range is so stated.
  • compositions or “including” or “containing” means that at least the indicated composition, element, particle or method step is presented in a component or particle or method, but does not include other compositions, materials, microparticles or method steps, although These other compositions, materials, microparticles or method steps have the same function. Reference to a method step does not exclude the existence of additional method steps or intermediate method steps. Likewise, reference to one or more of the constituent compositions does not exclude the presence of additional compositions.
  • the materials constituting the various elements of the present invention are for illustrative purposes only and are not limiting. Many suitable materials included within the scope of the invention may perform the same or similar functions. Other materials not exemplified include, but are not limited to, for example, materials developed after the present invention.
  • the pretreatment S100 may include one or more of degreasing, descaling, washing, and rust prevention.
  • Degreasing S101 includes removing impurities such as grease from the surface of the workpiece with an alkaline degreaser.
  • the rust removing S102 includes removing the oxide layer and the rusted portion of the surface of the workpiece with hydrochloric acid.
  • Cleaning S103 includes removing impurities and acid remaining on the surface of the workpiece after rust removal.
  • the anti-rust S104 includes anti-rust agent The workpiece is reoxidized and rusted.
  • the pretreated workpiece begins to undergo a subsequent surface treatment process.
  • the surface treatment process may include phosphating S200: treatment with a phosphating solution to form a phosphate film on the surface of the workpiece.
  • the phosphatized workpiece needs to undergo a cleaning step S300 before painting to wash away the debris on the surface of the workpiece.
  • the workpiece after cleaning before painting may then be subjected to an electrophoretic painting step S400, which may be carried out by an electrophoretic painting machine, and the painting temperature is preferably controlled within a range of about 25 to 30 ° C, preferably about 28 ° C, ie 28 ° C ⁇ 1% temperature to get the best results.
  • the post-painting cleaning step S500 is performed, in which the residue after lacquering is removed.
  • the workpiece can be dried and processed S600.
  • the pre-painting cleaning step S300 may include a cleaning S301 as shown in FIG.
  • a high-pressure pure water spray S501 that is, removing the residue after painting
  • cleaning S502 removing the portion of the workpiece that cannot be washed by the high-pressure water
  • Secondary high pressure pure water spray S503 Rinse the surface of the workpiece again with high pressure water to ensure that the workpiece is clean and qualified. Drying of the workpiece can be carried out in a variety of drying methods, preferably by drying: The workpiece is placed in a drying oven and placed at a temperature of 240 ° C ⁇ 5 ° C for a period of time to quickly dry the workpiece. Moisture. The dried workpiece can be packaged.
  • the process of the present invention can be implemented using a rod outer tube electrophoretic painting system.
  • the system includes a pretreatment portion 100 for gas after machining.
  • the outer core of the spring rod core is subjected to pretreatment including one or more of degreasing, derusting, cleaning, and rust prevention;
  • the outer core tube production line 200 is provided with a plurality of stations for the pretreated rod core
  • the outer tube performs operations such as cleaning
  • the production line includes at least one conveying portion 210, and a phosphor chemical bit 220 connected by the conveying portion is used to form a phosphating film on the surface of the workpiece to enhance the adhesion of the paint on the surface of the workpiece, first a cleaning station 230 and a second cleaning station 240; wherein the first cleaning station and the second cleaning station are both supplied with water by a pure water production machine 300;
  • the system further includes an electrophoretic painting machine 400, which is disposed at a cleaning station 230 and The second cleaning station 240 is used for painting the outer tube of the rod core.
  • the drying device 500 may also be included at the end of the production line for drying the outer core of the rod that has been lacquered through the second cleaning station 240.
  • the first cleaning station 230 may include a first cleaning pool 231, a first high pressure cleaning nozzle 232, a second cleaning pool 233, and a second high pressure cleaning nozzle 234 which are sequentially disposed to realize painting. Thorough cleaning of debris on the outer core of the rod.
  • the second cleaning station 240 may include a third high pressure nozzle 241: that is, discharging high pressure pure water to remove the residue after painting; the third cleaning pool 242: removing a portion of the workpiece that is not flushed by the high pressure water; and the fourth high voltage Nozzle 243: Rinse the surface of the workpiece again with high-pressure water to ensure that the workpiece is clean and qualified.
  • Each of the high pressure flat nozzles and the cleaning pool takes water from the pure water production machine.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

一种气弹簧棒芯外管上漆方法,包括在机加工完成后对外管进行预处理(S100),磷化(S200),上漆前清洗步骤(S300),电泳上漆,上漆后清洗(S500),以及干燥处理。以及一种气弹簧棒芯外管电泳上漆系统。经该方法处理的棒芯外管表面光滑度高。

Description

气弹簧棒芯外管上漆方法及系统 技术领域 本发明涉及气弹簧的制造, 尤其涉及气弹簧的部件的生产工艺。 背景技术 申请人的公开日为 2009年 11月 25日, 公开号为 CN101586639的中国发明专利申请 公开了一种气弹簧,其由外立管及气动升降装置构成,所述气动升降装置套插在外立管内;气 动升降装置包括外管、活塞杆、内管和设有启动按钮的阀门座,该阀门座卡在外管内的一端, 启动按钮露出于该外管上端;所述活塞杆穿过内管,活塞杆的一端露出于内管,活塞杆该端连 有通气支座、 Y型圈、 压紧环,所述阀体与活塞之间设有胶顶套,活塞杆的另一端连有活塞, 活塞上套有密封圈,该内管端活塞的外侧连有阀体,该阀体上设有阀针;气动升降装置包含外 管,气动升降装置的阀体与外管内的阀门座相连,活塞杆露出于外管,露出于外管的活塞杆上 套有缓冲垫、 轴承、 平垫;所述内管为塑料材质的内管,该内管的外表面设有通气凹槽,内管 与外管紧密贴合。 上述结构是气弹簧的典型结构, 其中, 为了保持外管不易生锈, 一般需要对外管作表 面处理。 传统的外管表面处理包括镀铬以及渗氮, 但无论镀铬处理渗氮处理后的表面往往光滑 度都不够高, 外管的外表面以及外立管的内表面配合, 所以提供尽量高的表面光滑度, 延 长使用寿命, 精度方面有提高。 发明内容 本发明的目的在于提供一种新颖的气弹簧棒芯外管上漆工艺其可以在不增加成本的 情况下, 解决现有技术中存在的诸如光滑度不够以等问题。 根据本发明的多种实施例, 在本发明的一种样态中提供了一种气弹簧棒芯外管上漆方 法, 其包括在机加工完成后对外管进行预处理; 磷化; 上漆前的清洗步骤; 电泳上漆, 经 历上漆后清洗; 清洗后即可对工件进行干燥处理。 采用此种上漆方法后的棒芯外管表面光滑度高, 从而可以延长气弹簧的寿命。 在优选的实施例中, 预处理可以包括除油、 除锈、 清洗、 防锈中的一种或多种。 除油 包括用碱性除油剂除去工件表面的油脂等杂物。 除锈包括用盐酸除去工件表面的氧化层和 生锈的部分。 清洗包括除去因除锈后残留在工件表面的杂物与酸液。 而防锈包括用防锈剂 防止工件再氧化生锈, 这些预处理可以按图示的顺序进行, 其中的一些处理可以重复进行 以获得更加的效果。 优选的是, 上漆温度最好控制在约 25至 30°C的范围内,优选为约 28°C, 即 28°C士 1% 的温度以获得最好的效果。 在本发明的优选的实施例中, 上漆前的清洗步骤以包括一次清洗: 即除去工件表面的 磷化液; 高压水喷淋: 即除去工件表面的杂物; 二次清洗: 即除去高压水冲洗不到的工件 的部位; 以及, 第二次高压纯水喷淋: 用纯净的高压水再冲洗工件表面。 采用这种方式清 洗的工件可基本实现不附着任何杂物。 从而可以保证上漆步骤中, 漆膜与磷化膜的高效结 合。 上漆后的清洗步骤, 可以包括一次高压纯水喷淋: 即除去上漆后的残留物; 一次清洗: 除去高压水冲洗不到的工件的部位; 以及二次高压纯水喷淋:用高压水再次冲洗工件表面, 保证工件的干净合格。 优选的是, 对工件的干燥可以采用多种干燥方式, 优选采用烘干的方式: 即将工件放 入烘干炉中在温度为 240°C ± 5 °C的条件下放置一段时间, 从而快速烘干工件上的水分。 在优选的实施例中, 烘干后的工件即可进行打包处理。 本发明的另一种样态提供了一种实现前述上漆方法的棒芯外管电泳上漆系统, 在优选 的实施例中, 该系统包括棒芯外管生产线, 该生产线至少包括一传送部分, 以及由该传送 部连接的一用于在工件表面生成磷化膜, 加强油漆在工件表面的附着力的磷化工位, 第一 清洗工位, 以及第二清洗工位; 其中所述第一清洗工位和第二清洗工位均由一纯水生产机 提供水源; 该系统还包括电泳上漆机, 设置于第一清洗工位和第二清洗工位之间用于对棒 芯外管进行上漆处理。 在生产上线的末端还可以包括烘干设备, 用于对经过第二清洗工位的已经上漆后的棒 芯外管进行干燥处理。 在本发明优选的实施例中, 第一清洗工位可以包括顺序设置的第一清洗池、 第一高压 清洗喷头、 第二清洗池以及第二高压清洗喷头以实现对待上漆的棒芯外管上杂物的彻底清 洗。 而第二清洗工位可以包括第三高压喷头: 即喷出高压纯水除去上漆后的残留物; 第三 清洗池: 除去高压水冲洗不到的工件的部位; 以及第四高压喷头: 用高压水再次冲洗工件 表面, 保证工件的干净合格。 所述各高压平喷头和清洗池均从纯水生产机取水。 本发明的这些和其他方面在以下有详细描述及相应的数字。其它方面和实施方案的特 色对看过下面有关实施方案的描述和相应的附图标记的所属领域的技术人员很浅显易懂。 而有关某些实施方案和附图标记的本发明的特征可以讨论,所有本发明的实施方案可以包 括一个或更多在此讨论的特征。虽然一个或更多的实施方案可以有某些有利之处,一个或 更多的这样的特征可以用于本发明在此讨论的各种实施方案。同样的,尽管示范的系统或 方法的实施方案可以在以下讨论,这样示范的实施方案应可在各种本发明的设备,系统和 方法中执行。
附图说明 本发明的各个特征和优点可参考下述详细描述及附图更易理解,而类似的附图标记表 明类似的结构元素, 其中- 图 1 是依据本发明的一种具体实施方式的上漆方法的流程图; 图 2 是依据本发明的一种具体实施方式的上漆方法的预处理工艺的流程图; 图 3 是依据本发明的一种具体实施方式的上漆方法的上漆前清洗工艺的流程图; 图 4是依据本发明的一种具体实施方式的上漆方法的上漆后清洗工艺的流程图; 图 5是依据本发明的一种具体实施方式的上漆方法的上漆系统的结构图。 具体实施方式 本发明不欲拘泥于以下描述或例子的构造细节和部件的安排。本发明可以各种方式执 行其他实施方案。 并且, 在描述示范性的实施方案时, 为清晰起见, 会使用具体的术语。 请注意, 如规格和附件所述, 除非另外指明, 单数包括复数。 例如, 部件也包括部件 的各种组成。 包含一个组成部分的构件也包括其他构件。 另外,每一个术语包含最广义的解释,包括所有以类似方式或可达成类似目的运作的 类似工艺。 范围在此可表述为"大约"或"近似"或"大体上 "的一个特别的值到 "大约 "或"近似"或 "大体上"的另一个特别的值。 当范围如此表述时, 其他示范实施方案包括从一个特别的值 及 /或到另一个特别的值。
"包含 "或"包括"或"含有"是指至少所指的组合物, 元素, 微粒或方法步骤呈现在组件 或颗粒或方法中, 但不包括其他组合物, 材料, 微粒或方法步骤, 尽管该等其他组合物, 材料, 微粒或方法步骤有同样的功能。 提到一种方法步骤并不排除另外的方法步骤或中间方法步骤的存在。同样,提到一种 或多种构成的组合物并不排除另外的组合物的存在。 构成本发明各式元素的材料只作说明之用而不具限制性。本发明范围内包括的许多合 适的材料可以实现同样或类似功能。 没有例举的其他材料包括, 但不限于, 比如, 用于本 发明之后开发的材料。 气弹簧棒芯外管机加工完成后, 即可对其进行预处理 S100。 预处理 S100, 如图 1所 示, 可以包括除油、 除锈、 清洗、 防锈中的一种或多种。 除油 S101包括用碱性除油剂除 去工件表面的油脂等杂物。 除锈 S102包括用盐酸除去工件表面的氧化层和生锈的部分。 清洗 S103包括除去因除锈后残留在工件表面的杂物与酸液。而防锈 S104包括用防锈剂防 止工件再氧化生锈, 这些预处理可以按图示的顺序进行, 其中的一些处理可以重复进行以 获得更加的效果。 如图 2所示, 经过预处理的工件, 开始经历后续的表面处理工序, 在一种实施例中, 表面处理工序可以包括磷化 S200: 即用磷化液处理, 在工件表面生成磷化膜, 加强油漆在 工件表面的附着力; 磷化后的工件需要经历上漆前的清洗步骤 S300以洗去工件表面的杂 物。经过上漆前清洗后的工件可以继而经历电泳上漆步骤 S400, 该上漆步骤可通过一电泳 上漆机实现, 上漆温度最好控制在约 25至 30°C的范围内, 优选为约 28°C, 即 28°C ± 1% 的温度以获得最好的效果。 上漆完成后, 经历上漆后清洗步骤 S500, 在该步骤中, 除去上 漆后的残留物。 清洗后即可对工件进行干燥处理 S600。 在本发明的优选的实施例中, 上漆前的清洗步骤 S300如图 3所示可以包括一次清洗 S301 : 即除去工件表面的磷化液; 高压水喷淋 S302: 即除去工件表面的杂物; 二次清洗 S303 : 即除去高压水冲洗不到的工件的部位; 以及, 第二次高压纯水喷淋 S304: 用纯净的 高压水再冲洗工件表面。 采用这种方式清洗的工件可基本实现不附着任何杂物。 从而可以 保证上漆步骤中, 漆膜与磷化膜的高效结合。 上漆后的清洗步骤 S500, 如图 4所示, 可以包括一次高压纯水喷淋 S501 : 即除去上 漆后的残留物; 一次清洗 S502: 除去高压水冲洗不到的工件的部位; 以及二次高压纯水喷 淋 S503 : 用高压水再次冲洗工件表面, 保证工件的干净合格。 对工件的干燥可以采用多种干燥方式, 优选采用烘干的方式: 即将工件放入烘干炉中 在温度为 240°C ± 5 °C的条件下放置一段时间, 从而快速烘干工件上的水分。烘干后的工件 即可进行打包处理。 本发明中的工艺的实现可采用一种棒芯外管电泳上漆系统实现, 在一种实施例中, 如 图 5所示, 该系统包括预处理部分 100用于对机加工完成后的气弹簧棒芯外管进行包括除 油、 除锈、 清洗、 防锈中的一种或多种的预处理; 棒芯外管生产线 200, 设有多个工位用 于将预处理后的棒芯外管进行清洗等操作, 该生产线至少包括一传送部分 210, 以及由该 传送部连接的一磷化工位 220用于在工件表面生成磷化膜,加强油漆在工件表面的附着力, 一第一清洗工位 230和第二清洗工位 240; 其中所述第一清洗工位和第二清洗工位均由一 纯水生产机 300提供水源; 该系统还包括电泳上漆机 400, 设置于第一清洗工位 230和第 二清洗工位 240之间用于对棒芯外管进行上漆处理。 在生产上线的末端还可以包括烘干设 备 500, 用于对经过第二清洗工位 240的已经上漆后的棒芯外管进行干燥处理。 在本发明优选的实施例中, 第一清洗工位 230可以包括顺序设置的第一清洗池 231、 第一高压清洗喷头 232、 第二清洗池 233以及第二高压清洗喷头 234以实现对待上漆的棒 芯外管上杂物的彻底清洗。 而第二清洗工位 240可以包括第三高压喷头 241 : 即喷出高压 纯水除去上漆后的残留物; 第三清洗池 242: 除去高压水冲洗不到的工件的部位; 以及第 四高压喷头 243 : 用高压水再次冲洗工件表面, 保证工件的干净合格。 所述各高压平喷头 和清洗池均从纯水生产机取水。 尽管前文以实施例的形式对棒芯外管的上漆处理工艺及使用的系统进行了描述, 但 是, 仍可作的许多不偏离本发明精神和系统, 方法范围的改变, 增加和删除将在稍后的正 式申请中详加阐述。在此披露的实施方案和权利要求范围有利于其它实施方案能进一步以 各种方式实现。并且, 在此使用的措辞和术语仅为描述目的, 不应被视为对本专利权项范 围的限制。 相应的, 所属领域的技术人员会理解本申请和权利要求的范围基于的构想可以作为其 它为实现本发明实施方案和权利要求的范围多重目的的装置, 方法和系统使用的基础。 因 此, 重要的是本专利的范围可以视为包含该等类似建造的等效物。

Claims

权利要求书
1、 一种气弹簧棒芯外管上漆方法, 其包括在机加工完成后对外管进行预处理; 磷 化; 上漆前的清洗步骤; 电泳上漆; 经历上漆后清洗, 以及干燥处理。
2、 根据权利要求 1中的方法, 其特征在于: 预处理可以包括除油、 除锈、 清洗、 防锈中的一种或多种; 其中这些预处理顺序进行, 优选的是, 其中的一些处理重复进行。
3、 根据权利要求 1中的方法, 其特征在于: 上漆温度控制在约 25至 30°C的范围 内, 优选为约 28°C, 即 28°C ± 1%的温度。
4、 根据权利要求 1中的方法, 其特征在于: 上漆前的清洗步骤以包括一次清洗: 即除去工件表面的磷化液; 高压水喷淋: 即除去工件表面的杂物; 二次清洗: 即除去高压 水冲洗不到的工件的部位; 以及, 第二次高压纯水喷淋: 用纯净的高压水再冲洗工件表面。
5、 根据权利要求 1中的方法, 其特征在于: 上漆后的清洗步骤包括一次高压纯水 喷淋: 即除去上漆后的残留物; 一次清洗: 除去高压水冲洗不到的工件的部位; 以及二次 高压纯水喷淋。
6、 根据权利要求 1中的方法,其特征在于:对工件的干燥可以采用多种干燥方式, 优选采用烘干的方式: 即将工件放入烘干炉中在温度为 240°C ± 5 °C的条件下放置一段时 间。
7、 根据权利要求 1中的方法, 其特征在于: 烘干后的工件即可进行打包处理。
8、 一种气弹簧棒芯外管电泳上漆系统,其特征在于:该系统包括棒芯外管生产线、 纯水生产机、 一电泳上漆机以及一烘干设备, 该生产线至少包括一传送部分, 以及由该传送部连接的一用于在工件表面生成磷化 膜, 加强油漆在工件表面的附着力的磷化工位, 一第一清洗工位, 以及第二清洗工位; 其中所述第一清洗工位和第二清洗工位均由纯水生产机提供水源;电泳上漆机设置于 第一清洗工位和第二清洗工位之间用于对棒芯外管进行上漆处理。 烘干设备设置在生产上线的末端用于对经过第二清洗工位的已经上漆后的棒芯外管 进行干燥处理。
9、 根据权利要求 8的气弹簧棒芯外管电泳上漆系统, 其特征在于: 第一清洗工位 可以包括顺序设置的第一清洗池、 第一高压清洗喷头、 第二清洗池以及第二高压清洗喷头 以实现对待上漆的棒芯外管上杂物的彻底清洗。 根据权利要求 8的气弹簧棒芯外管电泳上漆系统, 其特征在于: 第二清洗工位可以包 括第三高压喷头: 即喷出高压纯水除去上漆后的残留物; 第三清洗池: 除去高压水冲洗不 到的工件的部位; 以及第四高压喷头, 用高压水再次冲洗工件表面。
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