CN112496035A - 一种金属极板辊压专用机辊压成形的方法 - Google Patents

一种金属极板辊压专用机辊压成形的方法 Download PDF

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CN112496035A
CN112496035A CN202011228104.XA CN202011228104A CN112496035A CN 112496035 A CN112496035 A CN 112496035A CN 202011228104 A CN202011228104 A CN 202011228104A CN 112496035 A CN112496035 A CN 112496035A
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rotating block
polar plate
rolling machine
press roller
bearing seat
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CN112496035B (zh
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赵富强
李康
牛志刚
王栋
丁小凤
杨森
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Taiyuan University of Technology
Taiyuan University of Science and Technology
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • B21B13/023—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally the axis of the rolls being other than perpendicular to the direction of movement of the product, e.g. cross-rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/07—Adaptation of roll neck bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/16—Adjusting or positioning rolls
    • B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
    • B21B31/22—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
    • B21B2001/386—Plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • B21B2013/021—Twin mills
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Abstract

一种金属极板辊压专用机辊压成形的方法，属于燃料电池极板生产技术领域，金属极板辊压专用机的结构是外牌坊为一方形体，中间有一圆形通孔，在圆形通孔内安装有上、下压辊，分别通过上、下轴承座安装在上、下旋转块的凹槽内，用于径向微调的结构是伺服电动缸通过连杆与支座环铰接，带动上旋转块转动，实现对上压辊的微调，特征是在Y方向上，上、下压辊的中心线与上、下旋转块的中心线设有10~20mm的偏心距，伺服电动缸驱动上旋转块转动角度的范围是不大于11.31°。优点是实现了高精度压下，确保极板成形精确，极板的应用性能得到改善。

Description

一种金属极板辊压专用机辊压成形的方法
技术领域
一种金属极板辊压专用机辊压成形的方法，属于燃料电池极板生产技术领域。
背景技术
现有技术加工金属极板流道的工艺方法中存在的缺点是生产的极板形状不够精确，应用性能不够好。
发明内容
本发明提供一种金属极板辊压专用机辊压成形的方法，可有效地克服现有技术存在的缺点。
本发明采用的技术方案是：首先介绍一下金属极板辊压专用机的结构：如图1所示，外牌坊7为一方形体，中间有一圆形通孔，在圆形通孔内安装有上、下压辊12、10，分别通过上、下轴承座13、9安装在上、下旋转块4、8的凹槽内;用于径向微调的结构是：伺服电动缸1通过连杆2与支座环3铰接，带动上旋转块4转动，实现对上压辊12的微调，其特征是：在Y方向上，上、下压辊12、10的中心线与上、下旋转块4、8的中心线设有偏心距OG=10~20mm，伺服电动缸1驱动上旋转块4转动角度∠AOC的范围是不大于11.31°。
本发明优点及积极效果是：实现了高精度压下，确保极板成形精确，极板的应用性能得到改善。
附图说明
图1为金属极板辊压专用机及辊压成形的方法示意图；
图2为图2中三角形ABC处放大图；
图3为图2中三角形DEF处放大图；
图4为图2中偏心距OG处放大图；
图1-4中：1-伺服电动缸，2-连杆，3-支座环，4-上旋转块，5-弧形板，6-螺栓，7-外牌坊，8-下旋转块，9-下轴承座，10-下压辊，11-上压辊转动轨迹线，12-上压辊，13-上轴承座。
具体实施方式
如图1、2、3、4所示，下面对本发明的特征是如何确定的，作进一步简介：所述伺服电动缸1控制支座环3的中心A运动轨迹为以O为圆心的弧线AC，且OA=600mm，上、下旋转块4、8的外轮廓线是以O为圆心、以OH为半径的圆，且OH=400mm，当偏心距OG取值为20mm，伺服电动缸1驱动上旋转块4转动角度∠AOC达到最大值11.31°时，上压辊12沿Y轴的竖向压下量为DE，沿X轴的横向移动距离为EO1，EO1=OG=20mm；上压辊中心运动轨迹11以O为圆心，且弦DO1对应圆心角为∠DOO1，支座环3的中心A运动轨迹弧线AC对应连杆2的移动量AC,其圆心角为∠AOC，∠DOO1与∠AOC为同一角，则∠BAC与∠EDO1为内错角，所以∠BAC=∠EDO1，△ABC与△DEO1为相似三角形，利用相似三角形原理，在△ABC 内X轴方向上的线段BC与上压辊12的横向移动距离EO1有比值n= BC/EO1=5.8835，Y方向上的线段AB与上压辊12的压下量DE的比值AB/DE=n；现假设伺服电动缸1驱动的连杆2的移动量AC=1mm，利用三角形勾股定理，则Y方向上线段AB<1*sin(∠ACB)=0.0985mm，上压辊12的压下量DE= AB/n<(sin(∠ACB)* EO1)/BC=0.01675mm；所以可知，当伺服电动缸1驱动的连杆2的移动量AC为1mm时，上压辊12的压下量DE小于(sin(∠ACB)* EO1)/BC=0.01675mm，比值m=AC/DE＞BC/(sin(∠ACB)* EO1)=59.7078，反之，若要控制上压辊12的压下量DE为1μm，则伺服电动缸1驱动的连杆移动量AC＞DE* BC/(sin(∠ACB)* EO1)≈0.06mm；因此，只要控制伺服电动缸1精度在0.06mm以内就能满足1μm的压下精度；伺服电动缸重复定位精度最高可达±0.01mm，所以这种辊压成形的方法能满足高精度压下。
除本发明所描述的如图1中的金属极板辊压专用机的结构外，下旋转块8也可由另一伺服电动缸驱动，实现左右转动，从而带动下压辊10径向移动。

Claims (1)

1.一种金属极板辊压专用机辊压成形的方法，金属极板辊压专用机的结构是外牌坊（7）为一方形体，中间有一圆形通孔，在圆形通孔内安装有上、下压辊（12、10），分别通过上、下轴承座（13、9）安装在上、下旋转块（4、8）的凹槽内;用于径向微调的结构是伺服电动缸（1）通过连杆（2）与支座环（3）铰接，带动上旋转块（4）转动，实现对上压辊（12）的微调，其特征是：在Y方向上，上、下压辊（12、10）的中心线与上、下旋转块4、8的中心线设有10~20mm的偏心距，伺服电动缸（1）驱动上旋转块（4）转动角度的范围是不大于11.31°。
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CN114639855A (zh) * 2022-03-25 2022-06-17 山东国创燃料电池技术创新中心有限公司 一种金属极板的辊压工艺

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