WO2011020316A1 - 一种热喷涂复底锅的制造方法 - Google Patents

一种热喷涂复底锅的制造方法 Download PDF

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Publication number
WO2011020316A1
WO2011020316A1 PCT/CN2010/070782 CN2010070782W WO2011020316A1 WO 2011020316 A1 WO2011020316 A1 WO 2011020316A1 CN 2010070782 W CN2010070782 W CN 2010070782W WO 2011020316 A1 WO2011020316 A1 WO 2011020316A1
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Prior art keywords
pot
manufacturing
thermal
cooking pot
metal
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PCT/CN2010/070782
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English (en)
French (fr)
Inventor
陈合林
陈美荣
黄双喜
林海军
Original Assignee
浙江爱仕达电器股份有限公司
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Application filed by 浙江爱仕达电器股份有限公司 filed Critical 浙江爱仕达电器股份有限公司
Priority to DE112010003297T priority Critical patent/DE112010003297T5/de
Priority to GB1204601.7A priority patent/GB2486370B/en
Priority to JP2012525027A priority patent/JP2013502245A/ja
Priority to AU2010285441A priority patent/AU2010285441B2/en
Priority to EP10809449.1A priority patent/EP2468156A4/en
Publication of WO2011020316A1 publication Critical patent/WO2011020316A1/zh

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00—Parts, details or accessories of cooking-vessels
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00—Parts, details or accessories of cooking-vessels
    • A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/131—Wire arc spraying
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/18—After-treatment

Definitions

  • the present invention relates to the manufacture of kitchen appliances, and more particularly to a method of manufacturing a thermal spray multi-bottom pan. Background technology
  • the press presses the metal piece into the lower part of the pot, and there is also a cast aluminum nailed base. Due to the different expansion coefficients of different materials, different deformations will occur during the heating process, resulting in a weak bond between the composite film and the pan body. The composite film may fall off the bottom of the pan during use. For this reason, some people have designed the complex film into a porous or concave-convex shape, but the production process is complicated, and it is easy to cause the product to be scrapped in production, and the yield is low. Summary of the invention
  • the technical problem to be solved by the present invention is to overcome the defects of the prior art described above, and to provide a method for manufacturing a thermally sprayed double bottom pot with a strong bottom to extend the service life of the double bottom pot.
  • the present invention adopts the following technical solution: A method for manufacturing a thermal spray double bottom pot, the specific steps are as follows: 1. Surface roughening: 1) Adjusting the size of the tooling on the turntable of the automatic dry blasting machine, Place the bottom of the pot after stretching, trimming and cleaning on the tooling;
  • Composite pot body 1) The hot sprayed pot is placed in the heating equipment together with the metal back sheet for preheating before compounding.
  • the temperature of the heating equipment is controlled at 400 ⁇ Between 480 °C, when the material of the pot is stretched aluminum, the temperature of the heating device is controlled between 560 and 620 °C;
  • the pressure of the press is preferably 500 ⁇ 2500 ⁇ , which can achieve better composite effect.
  • the metal backing is preferably a stainless steel sheet or a stainless steel sheet, and the thickness thereof is preferably 0. 4 ⁇ 1. 2mm
  • the above bonding layer is aluminum or other metal materials (such as copper, silver, nickel, etc.), and the bonding layer and the metal
  • the expansion coefficient of the film is close, which increases the firmness of the bond between the bottom of the pan and the metal backsheet, and avoids the occurrence of bottoming. L ⁇ 2 ⁇
  • the thickness of the bonding layer is preferably 0. l ⁇ 2mm. The above thickness is selected on the premise of ensuring the effect of use and considering the production cost.
  • the pot prepared by the invention can pass the double bottom fastness test (foreign standard for the test of stainless steel double bottom pot) which is first heated to 40 CTC and then quenched in room temperature water, 25 times of the above cycle test without decolonization, The bottom of the pot body is firmly combined with the metal backsheet, which solves the problem that the bottom of the bottom pot is not firm.
  • Figure 1 is a schematic view showing the structure of a pot produced by the present invention.
  • Fig. 2 is an enlarged view of a portion A in Fig. 1. detailed description
  • the hot-sprayed pot is sent to the heating equipment together with the metal negative film at 3 o'clock for preheating before the combination, and the control temperature is between 400 and 620 °C.
  • the thickness of the bonding layer and the metal backsheet can be selected in the range of 0.1 to 2 mm, 0.4 to 1.2 mm, and the surface roughness can be selected within the range of 5 to 50 ⁇ m.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Cookers (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)

Description

一种热喷涂复底锅的制造方法 技术领域 本发明涉及厨房用具的制造， 具体地说是一种热喷涂复底锅的制造方 法。 说 背景技术
由于铝不导磁， 不能在电磁炉上使用， 为此市场上出现了复底锅， 大 多数在其锅底的最外层复有一层金属片 （如不锈铁片）， 均是靠强大吨位的 书
压力机， 把金属片挤压在锅体低部， 其中也有铸铝带钉复底锅。 由于不同 材质的膨胀系数不同， 在加热过程中， 会产生不同的形变， 导致复底片与 锅体的结合力不强， 在使用过程中复底片可能会从锅体底部脱落。 为此， 有人将复底片设计成多孔或凹凸形， 但生产工艺复杂， 在生产中容易造成 产品的报废， 成品率低。 发明内容
本发明所要解决的技术问题是克服上述现有技术存在的缺陷， 提供一 种复底牢固的热喷涂复底锅制造方法， 以延长复底锅的使用寿命。 为此， 本发明采用如下的技术方案： 一种热喷涂复底锅的制造方法， 其具体歩骤如下： 一、 表面粗化： 1 ) 调整好自动干式喷砂机转盘上的工装尺寸， 将经过 拉伸、 切边和清洗后的锅体底部朝上安放于工装上；
2 )调整喷砂气压为 0. 6〜0. 8MPa、喷砂距离为 100〜 150mm和喷枪角度 为 70〜80 ° ， 用刚玉砂进行粗化， 控制喷砂时间， 使锅体底部的外表面粗 糙度达到 5〜50微米。
二、 热喷涂： 1 ) 采用电弧喷涂设备， 将两根直径 1. 6〜3. 0mm 的金属 丝装入喷枪中， 喷涂压力调整在 0. 4〜0. 6MPa;
2 ) 控制喷涂工作电压为 30〜42V和送丝电压为 15〜20V， 调节喷枪距 离锅体外表面底部的粗化区域 140-250mm， 在粗化区域上涂敷上金属， 形成 人
口 。
三、 复合锅体： 1 ) 把热喷涂好的锅同金属底片点悍后一起送入加热设 备中进行复合前的预热， 当锅的材质为铸铝时， 控制加热设备的温度在 400〜480 °C之间，当锅的材质为拉伸铝时，控制加热设备的温度在 560〜620 °C之间；
2 )用 10〜2500T的压力机将锅和金属底片压合在一起， 即可制得复底 牢固的复底锅， 压力机的压力优选 500〜2500Τ， 能达到较佳的复合效果。
上述的金属底片为不锈钢片或不锈铁片， 其厚度优选为 0. 4〜1. 2mm 上述的结合层为铝或其它的金属材料 （如铜、 银、 镍等）， 使结合层与 金属底片的膨胀系数接近， 增加了锅体底部与金属底片之间结合的牢固度， 避免了脱底现象的发生。 结合层的厚度优选为 0. l〜2mm。 在保证使用效果 并考虑生产成本的前提下选用上述厚度。
本发明具有以下有益效果：
1、 本发明制得的锅能顺利通过先加热到 40CTC然后在室温水中骤冷、 25次上述循环测试而不脱底的复底牢度试验 （国外标准对不锈钢复底锅的 试验要求）， 锅体底部与金属底片之间结合牢固， 解决了复底锅复底不牢固 的技术难题；
2、 由于本发明复底牢固， 不起层、 不脱层， 延长了使用寿命。
3、 本发明的工艺合理、 产品的性能优良， 适宜在同类型的复层锅上推 广应用。
下面结合说明书附图和具体实施方式对本发明作进一歩说明。 附图说明
图 1为本发明制得的锅的结构示意图。
图 2为图 1中 A部的放大图。 具体实施方式
如图 1-2所示的锅， 其具体的制造歩骤如下：
1、 表面粗化：
( 1 )调整好四工位的自动干式喷砂机转盘上的工装尺寸，将经过拉伸、 切边、 清洗后的锅体 1底部朝上安放于工装上；
( 2 ) 调整喷砂气压为 6〜8kgf/cm2 ( 0. 6〜0. 8MPa)、 喷砂距离 100— 150mm, 喷枪角度 70〜80 ° ， 用 36 目的刚玉砂进行粗化， 控制喷砂时间， 使表面粗糙度达到 10〜20μπι。
2、 热喷涂：
( 1 )采用电弧喷涂设备， 将两根直径 1. 6〜3. 0mm的铝丝装入喷枪中， 喷涂压力调整到 0. 4〜0. 6MPa;
( 2 ) 将喷涂工作电压控制在 30〜42V、 送丝电压 15〜20V， 调节喷枪 距离锅体 1底部粗化区域 150mm左右， 控制喷涂时间在 2〜100秒， 即可喷 涂制得合适厚度的结合层 2。 3、 复合锅体：
( 1 )把热喷涂好的锅同金属底片 3点悍后一起送入加热设备中进行复 合前的预热， 控制温度在 400〜620°C之间。
( 2 ) 用 500〜2500T 的压力机将锅和金属底片压合在一起， 即可制得 复底牢固的复底锅。
根据实际的需求， 上述的结合层、金属底片的厚度可分别在 0. l〜2mm、 0. 4〜1. 2mm的范围内进行选择， 表面粗糙度可在 5〜50μπι范围内选择。
以上所述， 仅是本发明的较佳实施例而已， 并非对本发明的技术方案 作任何形式上的限制。 凡是依据本发明的技术实质对以上实施例所作的任 何简单修改、 等同变化与修饰， 均落入本发明的保护范围内。

Claims

权 利 要 求 书
1、 一种热喷涂复底锅的制造方法， 其歩骤如下：
1 )表面粗化： 对锅体外表面底部进行喷砂粗化， 使锅体底部的外表面 粗糙度达到 5〜50微米；
2 ) 热喷涂： 在粗化后的锅体外表面底部上热喷涂金属， 形成结合层；
3 ) 复合锅体： 把金属底片置于歩骤 2 ) 形成的结合层上一起进行复合 前的预热， 再经高压复合成结合牢固的复底锅。
2、 根据权利要求 1所述的热喷涂复底锅的制造方法， 其特征在于表面 粗化的具体歩骤如下：
1 ) 调整好自动干式喷砂机转盘上的工装尺寸， 将经过拉伸、 切边和清 洗后的锅体底部朝上安放于工装上；
2 )调整喷砂气压为 0. 6〜0. 8MPa、喷砂距离为 100〜 150mm和喷枪角度 为 70〜80 ° ， 用刚玉砂进行粗化， 控制喷砂时间， 使锅体底部的外表面粗 糙度达到 5〜50微米。
3、 根据权利要求 1或 2所述的热喷涂复底锅的制造方法， 其特征在于 热喷涂的具体歩骤如下：
1 )采用电弧喷涂设备， 将两根直径 1. 6〜3. 0mm的金属丝装入喷枪中， 喷涂压力调整在 0. 4〜0. 6MPa;
2 ) 控制喷涂工作电压为 30〜42V和送丝电压为 15〜20V， 调节喷枪距 离锅体外表面底部的粗化区域 140-250mm， 在粗化区域上涂敷上金属， 形成 人
口 。
4、 根据权利要求 3所述的热喷涂复底锅的制造方法， 其特征在于复合 锅体的具体歩骤如下：
1 )把热喷涂好的锅同金属底片点悍后一起送入加热设备中进行复合前 的预热；
2 )用 10〜2500T的压力机将锅和金属底片压合在一起， 即可制得复底 牢固的复底锅。
5、 根据权利要求 4所述的热喷涂复底锅的制造方法， 其特征在于锅的 材质为铸铝时， 控制加热设备的温度在 400〜480 °C之间。
6、 根据权利要求 4所述的热喷涂复底锅的制造方法， 其特征在于锅的 材质为拉伸铝时， 控制加热设备的温度在 560〜620 °C之间。
7、 根据权利要求 4所述的热喷涂复底锅的制造方法， 其特征在于所述 压力机的压力采用 500〜2500T。
8、 根据权利要求 4所述的热喷涂复底锅的制造方法， 其特征在于所述 的金属底片为不锈钢片或不锈铁片。
9、 根据权利要求 8所述的热喷涂复底锅的制造方法， 其特征在于所述 金属底片的厚度为 0. 4〜1. 2mm
10、 根据权利要求 4所述的热喷涂复底锅的制造方法， 其特征在于所 述结合层的厚度为 0. l〜2mm。
PCT/CN2010/070782 2009-08-17 2010-02-26 一种热喷涂复底锅的制造方法 WO2011020316A1 (zh)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE112010003297T DE112010003297T5 (de) 2009-08-17 2010-02-26 Herstellungsmethode für thermisch gespritzten Topfboden
GB1204601.7A GB2486370B (en) 2009-08-17 2010-02-26 A method for manufacturing a pot with a thermally sprayed composite bottom.
JP2012525027A JP2013502245A (ja) 2009-08-17 2010-02-26 溶射のダブルボトム鍋の製造方法
AU2010285441A AU2010285441B2 (en) 2009-08-17 2010-02-26 Manufacturing method for thermally sprayed sandwich bottom cooking pot
EP10809449.1A EP2468156A4 (en) 2009-08-17 2010-02-26 MANUFACTURING METHOD FOR THERMALLY SPRAYED SANDWICH SOUNDBED POTTERY BASIN

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CN200910101681.X 2009-08-17
CN200910101681A CN101669770A (zh) 2009-08-17 2009-08-17 一种热喷涂复底锅的制造方法

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JP (1) JP2013502245A (zh)
KR (1) KR20120055684A (zh)
CN (1) CN101669770A (zh)
AU (1) AU2010285441B2 (zh)
DE (1) DE112010003297T5 (zh)
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CN102266847B (zh) * 2011-07-29 2013-07-03 新兴铸管股份有限公司 一种耐强酸强碱球墨铸铁管的制备方法
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