WO2019137068A1 - 一种植绒弹簧 - Google Patents

一种植绒弹簧 Download PDF

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Publication number
WO2019137068A1
WO2019137068A1 PCT/CN2018/112540 CN2018112540W WO2019137068A1 WO 2019137068 A1 WO2019137068 A1 WO 2019137068A1 CN 2018112540 W CN2018112540 W CN 2018112540W WO 2019137068 A1 WO2019137068 A1 WO 2019137068A1
Authority
WO
WIPO (PCT)
Prior art keywords
spring
flocking
coating
flocked
rust
Prior art date
Application number
PCT/CN2018/112540
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
葛敬东
唐朋万
唐书豪
赵春啸
Original Assignee
太仓卡兰平汽车零部件有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=67219301&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2019137068(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from CN201820056927.0U external-priority patent/CN207899626U/zh
Application filed by 太仓卡兰平汽车零部件有限公司 filed Critical 太仓卡兰平汽车零部件有限公司
Priority to JP2020558669A priority Critical patent/JP2021510358A/ja
Publication of WO2019137068A1 publication Critical patent/WO2019137068A1/zh

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C19/00—Apparatus specially adapted for applying particulate materials to surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/06—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying two different liquids or other fluent materials, or the same liquid or other fluent material twice, to the same side of the work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/16—Flocking otherwise than by spraying
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs

Definitions

  • the present invention relates to the field of spring fittings for electric tailgate systems, and more particularly to a tufting spring.
  • the flocking springs applied to the electric tailgate are completed by spraying glue and electrostatic flocking.
  • the inner and outer sides of the spring are flocked, because the fluff implanted inside the spring body can not not reduce the friction.
  • the function also increases the inner and outer diameter of the spring. For many tailgate systems with relatively narrow design space, the increase of the inner and outer diameter of the spring makes the design and assembly of the spring difficult.
  • flocking springs applied to electric tailgates are made of circular section steel wires, but customers want the springs to have as little space as possible to create a lighter weight electric tailgate strut system.
  • conventional round-section steel wires are used, and many models of tailgate systems cannot use flocking springs to eliminate noise.
  • the flocking springs applied to the electric tailgate are flocked on the surface of the rust-proof coating on the bottom surface, but the wastewater generated by the electrophoretic paint brings environmental problems, and the electrophoretic coating is a closed coating. Once scratched by the outside world, it will quickly rust and gradually spread.
  • the technical problem to be solved by the present invention is to overcome the prior art flocking and increase the inner and outer diameters of the spring at the same time.
  • the increase of the inner and outer diameters of the spring allows the spring.
  • the zinc-aluminum micro-sheet coating belongs to a cathode sacrificial protective coating, even if there is external scratching, coating
  • the layer will not rust, and the combination of zinc-aluminum microchip coating and flocking coating will greatly improve the rust-proof performance, and the zinc-aluminum micro-sheet coating is more environmentally friendly than the electrophoretic coating.
  • the present invention provides a planting spring comprising a spring body and a flocking coating, the flocking coating being disposed on a surface of the spring body, the flocking coating The surface is arranged with fluff.
  • the flocking spring further includes a rustproof coating disposed on a surface of the spring body, the flocking coating being disposed on an outer layer of the rustproof coating.
  • the rustproof coating is an electrophoretic coating or an alloy coating.
  • the flocking coating is disposed only on an outer side surface of the spring body.
  • the spring is flocked in a flocking device in a pressed state.
  • the wire section of the spring body is an elliptical wire or a goose-shaped wire.
  • the alloy coating is a zinc aluminum microchip coating.
  • the zinc aluminum microchip coating is completed by dip coating or spraying, baking.
  • the spring surface flocking coating is finished by flocking, flocking and drying processes.
  • the spring surface flocking coating comprises a glue layer and fluff.
  • the pile is nylon PA66 fluff.
  • the type of the fluff is 3.3 dtex.
  • the flocked coating has a thickness of 0.2 to 0.4 mm.
  • the viscosity of the glue is 2500-3500 Cst.
  • the rust preventive coating has a thickness of 15-20 microns.
  • the present invention provides a clamp for manufacturing the flocking spring, comprising a metal plug, a stainless steel tube with a pin hole, a fixed metal block welded to the stainless steel tube, and a metal with a hole.
  • the block has a diameter that matches the inner diameter of the spring, and the distance from the pin hole to the fixed metal block is the tightness of the spring.
  • the invention not only flocks on the outer surface of the spring but also flocks on the side of the spring on the basis of retaining the anti-rust and noise reduction of the traditional electric tailgate spring, and the invention replaces the original steel wire with an oval wire or a goose-shaped wire.
  • the longitudinal compression and height of the spring allows the original smaller electric tailgate system to use the flocking spring, thus solving the noise problem.
  • the invention replaces the circular steel wire with the elliptical steel wire, and reduces the longitudinal pressure and height of the spring, so that the original small electric tailgate system can also use the flocking spring, thereby solving the problem of noise.
  • the invention replaces the electrophoretic coating with the zinc-aluminum microchip anti-rust coating, which greatly improves the anti-rust ability of the coating under the condition of normal damage and surface scratching, and reduces environmental pollution.
  • Figure 1 is a spring in which only the outer surface of the spring is flocked according to a preferred embodiment of the present invention
  • FIG. 2 is a perspective view of an electric tailgate spring of an elliptical cross-section steel wire according to a preferred embodiment of the present invention
  • Figure 3 is a cross-sectional view of an electric tailgate spring of an elliptical cross-section steel wire in accordance with a preferred embodiment of the present invention
  • Figure 4 is a cross-sectional view of a spring wire of a zinc-aluminum microchip coating in combination with a flocked coating in accordance with a preferred embodiment of the present invention.
  • 1-spring body 2-spring outer surface flocking layer, 3-wire, 4-electrophoretic coating, 5-gel layer, 6-fluff, 7-zinc aluminum microchip coating.
  • the present invention designs a flocking spring solution that can be installed in a small space, and in the case of the same installation space, the spring shear stress can be made lower and the fatigue life is higher.
  • the main technical solutions of the present invention are as follows:
  • the flocking spring of the present invention comprises a spring body 1, an electrophoretic coating 4, and a flock layer 2 on the outer surface of the spring.
  • the flocking spring of the invention breaks the traditional idea of flocking on the inner and outer surfaces of the whole spring, avoids flocking on the side of the spring, and flocks only on the outer surface of the spring, so that when the spring is completely pressed, the pressure and height are greatly reduced. Small, so that the spring that could not be installed into the system can be installed in the existing space, and the flocking and noise reduction can be realized without changing the structure of the system.
  • the flocking spring of the invention breaks the traditional idea of flocking on the entire spring surface, avoids flocking on the inner surface of the spring, and flocks only on the outer surface of the spring, so that the spring can be enlarged under the same system installation space.
  • the wire diameter reduces the spring shear stress and thus increases the fatigue life of the spring.
  • the processing method of the present invention is as follows: after calculating the tightness of the spring (the spring and the state corresponding to the gap between the wires is zero), a spring-specific jig and a compression device corresponding to the jig are prepared according to the tightness height,
  • the fixture comprises a metal pin, a stainless steel tube with a pin hole, a fixed metal block welded to the stainless steel tube, and a metal block with a hole.
  • the diameter of the metal tube matches the inner diameter of the spring, and the pin hole is fixed to the metal block. The distance is the tight height of the spring.
  • the metal pipe of the clamp and the metal block welded on the metal pipe are mounted on the compression device, then the spring is loaded into the metal pipe, and the metal block with the hole is loaded into the metal pipe to start the compression device, and the spring is first compressed to In a fully tight state, insert the jack into the pin hole, then release the compression device and remove the clamp that contains the spring that has been pressed.
  • the clamp and the spring are placed together in the flocking device. Since the spring is pressed, the inner surface and the side of the spring can be not flocked, and only the outer surface of the spring can be flocked. After the flocking is completed, the jig is clamped. The compression device is again loaded, the spring is released, and a spring is obtained in which only the outer surface is flocked.
  • the present invention is designed for the current flocking spring.
  • a flocking spring solution that can be installed in a small space, and with the same system installation space, the spring shear stress can be made lower and the fatigue life is higher.
  • the flocking spring of the present invention comprises a spring body 1, an electrophoretic coating 4, and a spring surface flocking layer 2.
  • the spring body 1 determines the mechanical properties and fatigue life of the spring in the system, and electrophoresis.
  • the coating 4 determines the corrosion resistance of the spring, and the flock layer 2 of the spring surface, by flocking the fluff 6 on the glue layer 5, isolates the metal body of the spring body 1 and the outer tube of the spring from rubbing directly, thereby eliminating the friction between the spring body 1 and the outer tube And the friction noise generated.
  • the flocking spring of the invention breaks the traditional idea of an electric tailgate spring made of a circular steel wire, and adopts an elliptical steel wire or a goose-shaped steel wire, so that when the spring is fully pressed, the pressure and the height are greatly reduced, so that the original Springs that cannot be installed in the system can be installed in the existing space, and flocking and noise reduction can be realized without changing the structure of the system.
  • the flocking spring of the invention breaks the traditional idea of an electric tailgate spring made of a circular steel wire, and adopts an elliptical steel wire, thereby increasing the diameter of the spring wire and reducing the spring shear stress under the same installation space. Thereby increasing the fatigue life of the spring.
  • the solution of the present invention is as follows: according to customer-defined system boundary conditions, a spring is designed using a conventional circular steel wire, and then an elliptical steel wire having the same cross-sectional area is converted by an equivalent conversion of the diameter of the circular steel wire according to the cross-sectional area.
  • a spring solution with a spring height (this state corresponds to zero gap between the wires) is greatly reduced, so the electric tailgate system, which was originally unable to use flocking to reduce noise due to the small longitudinal space, does not change any parameters.
  • solve the problem of noise is as follows: according to customer-defined system boundary conditions, a spring is designed using a conventional circular steel wire, and then an elliptical steel wire having the same cross-sectional area is converted by an equivalent conversion of the diameter of the circular steel wire according to the cross-sectional area.
  • a spring solution with a spring height (this state corresponds to zero gap between the wires) is greatly reduced, so the electric tailgate system, which was originally unable to use flocking to reduce noise due to
  • the salt spray effect is often weakened by the collision of the electrophoretic coating, resulting in the life of many electric tailgate systems being limited by the spring salt spray ability.
  • this The invention designs a bottom anti-rust coating with better anti-rust ability and more environmental protection. Even if there is external force causing the surface of the coating to be scratched, it has self-protection function without being corroded.
  • the flocking spring of the present invention comprises a spring body 1, a zinc-aluminum microchip coating 7, and a spring surface flocking coating 2, and the spring body 1 determines the mechanical properties and fatigue life of the spring in the system.
  • the zinc-aluminum microchip coating 7 determines the corrosion resistance of the spring, and the flocking coating 2 on the spring surface, by flocking the fluff 6 in the glue layer 5, isolates the spring body metal and the spring outer tube from direct friction, eliminating the spring body and the outer Frictional noise generated by pipe friction.
  • the flocking spring of the invention breaks the idea of the traditional electrophoresis flocking spring, avoids the possibility of using the electrophoretic coating 4, and the coating is scratched to damage the salt spray effect, and the zinc-aluminum micro-sheet coating 7 is used as the bottom surface.
  • the anti-rust coating greatly improves the anti-corrosion effect of the surface of the coating without being scratched and accidentally scratched, so that the problem that the entire electric tailgate system must be replaced in advance due to insufficient spring anti-rust ability is solved. Increased life of the electric tailgate system.
  • the flocking spring of the invention breaks the traditional idea of electrophoresis flocking, avoids the use of electrophoretic coating on the surface of the spring as the only anti-rust coating, and the entire process of the coating produces more waste water, waste gas and waste residue.
  • the environment is polluted, and the zinc-aluminum microchip coating is a coating on the surface of the spring or sprayed with zinc-aluminum microchip coating, which is more environmentally friendly and easy to process.
  • the processing method of the invention is as follows: after the spring body 1 is subjected to polishing pretreatment, the zinc aluminum microchip coating 7 processing line is directly input, and the zinc aluminum microchip coating is completed by first dip coating or spraying, and then baking. Then, the spring of the zinc-aluminum microchip coating 7 will be put into the subsequent flocking coating 2 production line, and the flocking coating is completed by gluing, flocking and drying, thus obtaining a strong anti-corrosion ability. And zinc-aluminum flocking springs that eliminate system noise.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Spray Control Apparatus (AREA)
  • Springs (AREA)
  • Seats For Vehicles (AREA)
  • Electrostatic Spraying Apparatus (AREA)
PCT/CN2018/112540 2018-01-12 2018-10-30 一种植绒弹簧 WO2019137068A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2020558669A JP2021510358A (ja) 2018-01-12 2018-10-30 植毛バネ

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201820056927.0U CN207899626U (zh) 2018-01-12 2018-01-12 一种植绒弹簧生产线设备
CN201820056927.0 2018-01-12
CN201820170441.X 2018-01-31
CN201820170441 2018-01-31

Publications (1)

Publication Number Publication Date
WO2019137068A1 true WO2019137068A1 (zh) 2019-07-18

Family

ID=67219301

Family Applications (3)

Application Number Title Priority Date Filing Date
PCT/CN2018/112540 WO2019137068A1 (zh) 2018-01-12 2018-10-30 一种植绒弹簧
PCT/CN2018/112543 WO2019137069A1 (zh) 2018-01-12 2018-10-30 一种在弹簧表面植绒的方法
PCT/CN2018/112544 WO2019137070A1 (zh) 2018-01-12 2018-10-30 一种在弹簧表面植绒的装置

Family Applications After (2)

Application Number Title Priority Date Filing Date
PCT/CN2018/112543 WO2019137069A1 (zh) 2018-01-12 2018-10-30 一种在弹簧表面植绒的方法
PCT/CN2018/112544 WO2019137070A1 (zh) 2018-01-12 2018-10-30 一种在弹簧表面植绒的装置

Country Status (2)

Country Link
JP (5) JP7287980B2 (ja)
WO (3) WO2019137068A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117248261A (zh) * 2023-11-20 2023-12-19 湘潭市弹簧厂有限公司 一种高碳弹簧的生产方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7473492B2 (ja) * 2021-02-15 2024-04-23 中央発條株式会社 植毛ばねおよびその製造方法
CN113372057A (zh) * 2021-06-03 2021-09-10 刘再挺 一种覆绒式再生混凝土的制备方法
JP2023092738A (ja) * 2021-12-22 2023-07-04 中央発條株式会社 植毛ばね
WO2023137802A1 (zh) * 2022-01-22 2023-07-27 无锡百泰克生物技术有限公司 拭子植绒装置及拭子吹绒植绒工艺
CN116371694B (zh) * 2023-06-02 2023-08-11 太仓卡兰平汽车零部件有限公司 一种用于弹簧外侧面植绒的设备及其植绒方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009016861U1 (de) * 2009-12-12 2010-03-04 Pft Flocktechnik Gmbh Anlage zum partiellen Beflocken von Druck- und Zugfedern
CN205244227U (zh) * 2016-01-04 2016-05-18 滁州市盛华机电制造有限公司 一种螺旋式高应力弹簧
CN205780479U (zh) * 2016-06-06 2016-12-07 南京江凯汽车零部件有限公司 可用于智能尾门撑杆的静电式植绒弹簧
WO2017082170A1 (ja) * 2015-11-09 2017-05-18 中央発條株式会社 植毛粉体塗装方法

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5997333A (ja) * 1982-11-25 1984-06-05 Oi Seisakusho Co Ltd ばね
JPH0248770B2 (ja) * 1985-01-18 1990-10-26 Murata Hatsujo Kk Daendanmensosennokoirubane
JPS62126602A (ja) * 1985-11-28 1987-06-08 Toshiba Corp 電気機器のコイルおよびその製造方法
US5263233A (en) * 1991-11-12 1993-11-23 Kim John C Method and apparatus for flocking an article and the article produced thereby
JPH06179127A (ja) * 1992-12-15 1994-06-28 Nippon Steel Corp 懸架用防食ばねの製造方法
US5817375A (en) * 1997-04-07 1998-10-06 E.J.P. Machine, Inc. Process for improving the performance and extending the life of railroad car brake assembly components
JP3058826U (ja) * 1998-10-30 1999-06-22 有限会社後藤製作所 無端搬送装置における被加工物の脱荷装置
JP3825588B2 (ja) * 1999-08-23 2006-09-27 住友商事株式会社 静電植毛装置、静電塗装装置に配する静電加工室
JP2002346465A (ja) * 2001-05-21 2002-12-03 Sumitomo Metal Ind Ltd 植毛鋼板の製造方法および製造装置
JP2008068991A (ja) * 2006-09-15 2008-03-27 Mesac Corp 静電植毛室
WO2008104908A1 (en) 2007-02-26 2008-09-04 Philips Intellectual Property & Standards Gmbh Driving a lighting device
DE102009008267A1 (de) * 2009-02-10 2010-08-19 Möllerflex GmbH Faltenbalg
CN101837336B (zh) * 2010-05-20 2012-07-25 无锡市全顺机械制造有限公司 一种振动式植绒室
JP5591133B2 (ja) * 2011-01-07 2014-09-17 旭サナック株式会社 粉体塗装装置
CN104307695A (zh) * 2014-10-09 2015-01-28 吉林大学 一种压电-静电混合驱动式平面点胶装置
KR20160053125A (ko) * 2014-10-31 2016-05-13 대원강업주식회사 분체도장장치 및 이를 이용한 분체도장방법
JP6435183B2 (ja) * 2014-12-12 2018-12-05 中央発條株式会社 ばね部材
CN204564500U (zh) 2015-02-15 2015-08-19 福州立洲弹簧有限公司 一种植绒弹簧生产线结构
CN108348950B (zh) 2015-11-09 2021-07-20 中央发条株式会社 植绒粉末涂饰物
CN105546004A (zh) * 2016-01-14 2016-05-04 广州奥图弹簧有限公司 一种植绒弹簧制作方法
CN107326596A (zh) * 2017-07-16 2017-11-07 无锡金双面料科技有限公司 一种烫金植绒布的制备方法
CN207899626U (zh) * 2018-01-12 2018-09-25 太仓卡兰平汽车零部件有限公司 一种植绒弹簧生产线设备

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009016861U1 (de) * 2009-12-12 2010-03-04 Pft Flocktechnik Gmbh Anlage zum partiellen Beflocken von Druck- und Zugfedern
WO2017082170A1 (ja) * 2015-11-09 2017-05-18 中央発條株式会社 植毛粉体塗装方法
CN205244227U (zh) * 2016-01-04 2016-05-18 滁州市盛华机电制造有限公司 一种螺旋式高应力弹簧
CN205780479U (zh) * 2016-06-06 2016-12-07 南京江凯汽车零部件有限公司 可用于智能尾门撑杆的静电式植绒弹簧

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117248261A (zh) * 2023-11-20 2023-12-19 湘潭市弹簧厂有限公司 一种高碳弹簧的生产方法
CN117248261B (zh) * 2023-11-20 2024-03-12 湘潭市弹簧厂有限公司 一种高碳弹簧的生产方法

Also Published As

Publication number Publication date
JP7287980B2 (ja) 2023-06-06
JP2021510358A (ja) 2021-04-22
JP7208255B2 (ja) 2023-01-18
JP2021510359A (ja) 2021-04-22
JP2023036951A (ja) 2023-03-14
JP7452781B2 (ja) 2024-03-19
JP2023123428A (ja) 2023-09-05
WO2019137069A1 (zh) 2019-07-18
WO2019137070A1 (zh) 2019-07-18
JP2021511209A (ja) 2021-05-06

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