CN109415237A - 输送辊组件、其用途以及用于输送辊的端盖 - Google Patents

输送辊组件、其用途以及用于输送辊的端盖 Download PDF

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CN109415237A
CN109415237A CN201780021535.9A CN201780021535A CN109415237A CN 109415237 A CN109415237 A CN 109415237A CN 201780021535 A CN201780021535 A CN 201780021535A CN 109415237 A CN109415237 A CN 109415237A
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end cap
unitary body
conveying roller
ceramic cartridge
longitudinal axis
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劳伦·杜布瓦
艾蒂安·沙巴叶
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Vesuvius Limited-Liability Co Of France
Vesuvius France SA
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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B35/00—Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
    • C03B35/14—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands
    • C03B35/16—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands by roller conveyors
    • C03B35/18—Construction of the conveyor rollers ; Materials, coatings or coverings thereof
    • C03B35/186—End caps, end fixtures or roller end shape designs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors 
    • B65G39/02—Adaptations of individual rollers and supports therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
    • B65G49/05—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
    • B65G49/06—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for fragile sheets, e.g. glass
    • B65G49/063—Transporting devices for sheet glass
    • B65G49/064—Transporting devices for sheet glass in a horizontal position
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B35/00—Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
    • C03B35/14—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands
    • C03B35/16—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands by roller conveyors
    • C03B35/18—Construction of the conveyor rollers ; Materials, coatings or coverings thereof
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B35/00—Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
    • C03B35/14—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands
    • C03B35/16—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands by roller conveyors
    • C03B35/18—Construction of the conveyor rollers ; Materials, coatings or coverings thereof
    • C03B35/181—Materials, coatings, loose coverings or sleeves thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
    • F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor
    • F27B9/2407—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor the conveyor being constituted by rollers (roller hearth furnace)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
    • F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor
    • F27B9/2469—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor the conveyor being constituted by rollable bodies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/02—Skids or tracks for heavy objects
    • F27D3/026—Skids or tracks for heavy objects transport or conveyor rolls for furnaces; roller rails
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/02—Skids or tracks for heavy objects
    • F27D3/026—Skids or tracks for heavy objects transport or conveyor rolls for furnaces; roller rails
    • F27D3/028—Roller rails or succession of small sized rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02—Articles
    • B65G2201/0214—Articles of special size, shape or weigh
    • B65G2201/022—Flat

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Replacement Of Web Rolls (AREA)
  • Fish Paste Products (AREA)

Abstract

本发明涉及一种适用于经受重要温度变化的环境中的输送辊组件，并且涉及一种一体式端盖。所述一体式端盖确保向所述陶瓷阀芯的有效扭矩传送，这要归功于由所述端盖在所述陶瓷阀芯上的装配期间的所述端盖变形引起的其弹性。

Description

输送辊组件、其用途以及用于输送辊的端盖
本发明涉及一种适用于经受重要温度变化的环境中的输送辊组件，涉及此类组件的用途，并且涉及可用于此类组件中的改进的端盖。
适用于经受重要温度变化的环境中的输送辊组件可包括具有金属端盖的陶瓷阀芯。通常，陶瓷阀芯包含熔融二氧化硅。端盖允许容易地安装到轴承或驱动轮上。例如，在玻璃钢化应用中，一系列陶瓷阀芯支撑玻璃片，并且端盖因此允许机械联接到驱动机构。端盖应牢固地附着到阀芯，从而允许阀芯以期望的速度旋转。
陶瓷阀芯和金属端盖的不同热膨胀使端盖难以牢固地紧固到阀芯，并且在加热或冷却时可能造成偏心旋转或破损。偏心旋转通常是不期望的，因为这会形成针对玻璃片的不平坦支撑表面或导致划痕的速度变化。已经提出了多种方法来克服这个困难。美国专利No.3,867,748提出使用粘合剂将端盖紧固到阀芯。美国专利No.4,242,782提出使用橡胶O形环紧固端盖。粘合剂和O形环可在高温下变得柔韧并且失去保持力，从而导致阀芯偏心旋转以及端盖与阀芯之间的滑移。如果粘合剂和O形环意外经受此类高温，那么它们肯定会失去其保持力，使得即使温度恢复到其正常值，仍然会观察到滑移。因此，使用粘合剂或O形环将端盖紧固到阀芯仅限于在低温(低于250℃)下的应用。
金属连接器也已被用于将端盖固定到阀芯。美国专利No.5,316,129或美国专利No.4,404,011描述了在阀芯与端盖之间使用螺旋缠绕的线圈。线圈包括弯曲部分和笔直部分，该弯曲部分和笔直部分允许具有不同热膨胀系数的端盖和阀芯之间的连续接触。本文档的平面弹簧线圈由相对较长且相对较薄的连续部分构成。在这些条件下，观察到线圈元件的显著柔韧性。因此，为了获得足以将端盖固定到阀芯的扭矩，有必要对线圈预先施加非常显著的应力。如果温度意外升高(临时过热)，扭矩丧失，并且因此端盖到阀芯的紧固也丧失。此外，当系统冷却时，扭矩不会恢复。美国专利No.5,906,567和No.5,370,596描述了用于将端盖固定到阀芯的弯曲双金属垫片。双金属垫片的曲率随温度而变化，从而保持阀芯与端盖之间的牢固附接。然而，线圈弹簧或双金属系统可能难以装配和修复。此外，此类金属连接器特别适于特定温度范围(通常为400℃及更高)。在该范围之外，可观察到偏心旋转。
现有技术的输送辊中经常观察到的另一个问题就是堵塞问题。例如，在输送的制品被阻塞的情况下或者在机械卡滞的情况下，驱动机构将继续操作并且将扭转力矩传递到端盖。在这些条件下，陶瓷阀芯或紧固装置将破损。
EP-B1-1853866通过提供一种包括具有公差环的端盖的输送辊组件来解决这些问题，该公差环插置在端盖和陶瓷阀芯的端部之间，并且在广泛范围的应用温度下将端盖牢固且居中地固定到陶瓷阀芯。由于传递的扭矩值可在高温下随时间而减小，这些端盖提供范围高达数百N.m.的传递扭矩并且抵抗临时过热。然而，这些端盖系统在大部分时间都是尺寸过大的。
包括公差环的端盖的其他缺点为：其由至少两个独立的要求装配步骤的部件制成并且因端盖的尺寸和设计而相对昂贵。
DE-A1-10,2011,084,218公开了用于具有陶瓷辊主体的承载辊的端盖。端盖包括用于可旋转支撑的轴端部和用于辊主体的接纳部。接纳部由至少两个通过孔分开的节段形成并且与连接板形成一体。节段具有锥形接触表面以与同样具有锥形接触表面的可调节致动元件配合。节段具有向内突出的延伸部，该延伸部适配在辊主体凹槽中并且阻碍辊主体与端盖之间的相对旋转。通过使用将端盖紧固到阀芯的锥形环传递扭矩。通过接触压力而不是通过摩擦来实现扭矩传递。该端盖的缺点如下：端盖由至少3个组件(端盖、螺母、锥形环)制成，必须在两个端部处对每个辊进行特定的紧固。此外，端盖的厚度对于确保良好紧固相当重要。然后，端盖必须安装在烘箱的壁之外，使得阀芯具有较长的总长度。
GB-A-2,051,034描述了阀芯和弹性套管的组件，通过将该组件铺设在环形带上来使其旋转。使用套管的整个表面传递扭矩，同时需要销来防止阀芯的侧向移动。由于套筒必须位于炉壁外，阀芯的长度必须更长以跨过炉壁。套筒的弹性确实不足以承受重要的温度变化。安装也很麻烦。
开发了解决上述问题的新端盖，并且新端盖具有与EP-B1-1853866和DE-A1-10,2011,084,218中所述的端盖相比装配更简单且更便宜的优点。该新端盖确保了从旋转驱动装置到陶瓷阀芯的有效扭矩传送，这要归功于由端盖在陶瓷阀芯上的装配期间的端盖变形引起的其弹性。事实上，本发明人已经确定，最小传递扭矩值足以使辊旋转以用于应用，并且根据本发明的组件能够提供该最小传递扭矩值。
由于端盖的对称性，即使在较高温度下，端盖与陶瓷阀芯的接触也均匀分布。陶瓷阀芯与端盖保持完全同轴。
这种新端盖的另一个优点在于其厚度薄。可使用仅1mm至5mm的厚度。然后，端盖可安装在烘箱的壁中，使得陶瓷阀芯具有较短的所需长度。
本发明涉及一种适用于经受重要温度变化的环境中的输送辊(1)组件，该输送辊组件包括：
a)具有纵向轴线的陶瓷阀芯(2)；b)至少在陶瓷阀芯的一个端部处的金属端盖(3)，该金属端盖包括可连接到旋转装置的第一端部(4)和第二端部，该第二端部包括：
一体式主体，该一体式主体具有两个端部、适于配合陶瓷阀芯的端部的内径D以及>0.3D或优选>0.5D的长度L，
所述一体式主体包括至少三个沿一体式主体的纵向轴线的连续部分，一体式主体的两个端部部分包括基本上连续的表面以及这些部分之间的一个扭矩传递部分；
所述扭矩传递部分包括在主体的纵向轴线方向上的长度Lb<L的多个开口(6)，限定在开口之间的多个条带(7)向内延伸并且可机械变形和弹性变形以便将扭矩传递到阀芯。
需要开口来获得可弹性变形部分，以便将扭矩传递到阀芯。优选纵向开口。
端盖的第二端部的长度(L)为至少>0.3D，优选至少>0.5D；D为在容纳陶瓷阀芯的金属端盖的端部处测得的内径。事实上，端盖即使在临时过热期间也必须正确引导阀芯，并且必须保持阀芯与端盖同轴。太短的长度还会降低对于端盖期望的弹性性能。
开口可具有不同的形状，其中优选长方形形状，因为长方形容易制造。所得条带具有使端盖更容易确定尺寸的矩形形状。对于每种不同的陶瓷阀芯，对端盖中产生的应力和变形执行计算以确定开口的尺寸。开口优选地具有相同的长度并且平行于陶瓷阀芯的纵向轴线。这些开口还优选地均匀分布在端盖的第二端部的整个圆周上。这些特征部与条带特征部的组合优化了由端盖在陶瓷阀芯上的装配期间和温度变化期间的变形引起的应力的分布。
条带的形状由开口的形状限定。
这些条带在陶瓷阀芯的方向上向内延伸。在一个实施方案中，至少一个条带具有较厚部分。在一个优选的实施方案中，所有条带均具有较厚部分以增大传递的扭矩值。端盖的内径从而在局部区域内减小，从而张紧条带并增强与陶瓷阀芯的接触。较厚部分优选地位于条带的中间。如上所述，这使得更容易确定盖的尺寸。此外，优化了应力与变形的比率。随着温度的升高，端盖热膨胀，而陶瓷阀芯的尺寸并未显著变化。因此，端盖的紧固力减小，并且阀芯开始在端盖中滑移。当温度恢复正常时，端盖将恢复到其“正常”尺寸，并且保持力将整体恢复而不引起偏心旋转。
根据本发明的输送辊可用于输送箔或片(例如，玻璃或金属的箔或片)制品以用于箔或片或者其上施加的涂层的任何类型热处理。该输送辊特别适用于在经受重要温度变化的环境中运送平底制品。
陶瓷阀芯(2)通常包含适用于高温应用的材料，优选熔融的二氧化硅、莫来石或硅线石。
本发明还涉及一种用于经受重要温度变化的环境中的输送辊组件中的一体式金属端盖，该一体式金属端盖具有纵向轴线并且包括可连接到旋转装置的第一端部和第二端部，该第二端部包括：
一体式主体，该一体式主体具有两个端部、适于配合陶瓷阀芯的端部的内径D以及>0.3D或优选>0.5D的长度L，所述一体式主体包括至少三个沿一体式主体的纵向轴线的连续部分，一体式主体的两个端部部分包括基本上连续的表面以及这些部分之间的一个扭矩传递部分，所述扭矩传递部分包括在纵向轴线的方向上的长度Lb<L的多个开口，限定在开口之间的多个条带向内延伸并且可机械变形和弹性变形以便将扭矩传递到阀芯。
端盖的第一端部通过例如带或齿轮连接到驱动系统。开口由传统的加工装置或激光器制成。相对于开口所得的条带具有同样由传统加工装置制成的较厚部分。较厚部分向内延伸并且优选地具有两个倾斜表面之间的凸起表面的形状。
尽管需要条带加工步骤，但金属端盖比EP-B1-1853866的端盖更轻并且更便宜。
通过阅读接下来的说明将更好地理解本发明，这些描述将仅以举例方式给出并参考以下附图进行：
图1是根据本发明的一个实施方案的输送辊的组件的透视图，
图2是根据本发明的一个实施方案的组件的端盖的透视图，
图3是图2的端盖的剖视图。
图1示出了根据本发明的包括陶瓷阀芯(2)和两个金属端盖(3)的输送辊组件(1)。长度L表示端盖的第二端部(5)的长度，如图2所示。图3示出了端盖的内部视图。较厚部分(8)为具有通向凸起底板的两个斜坡的部分。
参考标号列表
1.输送辊组件
2.陶瓷阀芯
3.金属端盖
4.金属端盖的第一端部
5.金属端盖的第二端部
6.纵向开口
7.条带
8.条带的较厚部分

Claims (15)

1.适用于经受重要温度变化的环境中的输送辊(1)组件，所述输送辊组件包括：
a)具有纵向轴线的陶瓷阀芯(2)；
b)至少在所述陶瓷阀芯的一个端部处的金属端盖(3)，所述金属端盖包括可连接到旋转装置的第一端部(4)和第二端部(5)，所述第二端部包括：
一体式主体，所述一体式主体具有两个端部、适于配合所述陶瓷阀芯的所述端部的内径D以及>0.3D或优选>0.5D的长度L，
所述一体式主体包括至少三个沿所述一体式主体的所述纵向轴线的连续部分，所述一体式主体的所述两个端部部分包括基本上连续的表面以及这些部分之间的一个扭矩传递部分，
所述扭矩传递部分包括在所述主体的所述纵向轴线的方向上的长度Lb<L的多个开口(6)，限定在所述开口之间的多个条带(7)向内延伸并且可机械变形和弹性变形以便将所述扭矩传递到所述阀芯。
2.根据权利要求2所述的输送辊(1)组件，其中所述开口(6)为长方形。
3.根据权利要求1至2中任一项所述的输送辊(1)组件，其中所述开口为纵向、具有相同的长度并且平行于所述陶瓷阀芯的所述纵向轴线。
4.根据权利要求2至3中任一项所述的输送辊(1)组件，其中所述纵向开口均匀分布在所述端盖的所述第二端部(5)的所述整个圆周上。
5.根据权利要求2至4中任一项所述的输送辊(1)组件，其中向内延伸的所述条带包括较厚部分(8)。
6.根据权利要求5所述的输送辊(1)组件，其中所述条带的所述较厚部分(8)在所述条带的中间。
7.根据权利要求1至6中任一项所述的输送辊(1)组件，其中所述陶瓷阀芯(2)包含熔融的二氧化硅、莫来石或硅线石。
8.根据权利要求1至7中任一项所述的输送辊(1)组件在经受重要温度变化的环境中运送平底制品的用途。
9.一种用于根据权利要求1至7中任一项所述的输送辊组件中的一体式金属端盖(3)，所述一体式金属端盖具有纵向轴线并且包括：
可连接到旋转装置的第一端部(4)和第二端部(5)，所述第二端部包括：
一体式主体，所述一体式主体具有两个端部、适于配合陶瓷阀芯的端部的内径D以及>0.3D或优选>0.5D的长度L，所述一体式主体包括至少三个沿所述一体式主体的所述纵向轴线的连续部分，所述一体式主体的所述两个端部部分包括基本上连续的表面以及这些部分之间的一个扭矩传递部分，所述扭矩传递部分包括在所述纵向轴线的方向上的长度Lb<L的多个开口(6)，限定在所述开口之间的多个条带(7)向内延伸并且可机械变形和弹性变形以便将所述扭矩传递到所述阀芯。
10.根据前述权利要求所述的一体式金属端盖，其中所述开口为长方形。
11.根据权利要求9至10中任一项所述的一体式金属端盖，其中所述开口为纵向、具有相同的长度并且平行于所述陶瓷阀芯的所述纵向轴线。
12.根据权利要求9至11中任一项所述的一体式金属端盖，其中所述开口均匀分布在所述辊上。
13.根据权利要求9至12中任一项所述的一体式金属端盖，其中向内延伸的所述条带包括较厚部分(8)。
14.根据权利要求13所述的一体式金属端盖，其中所述条带的所述较厚部分在所述条带的中间。
15.根据权利要求9至14中任一项所述的一体式金属端盖，其中所述一体式主体具有1mm至5mm的厚度。
CN201780021535.9A 2016-03-31 2017-03-30 输送辊组件、其用途以及用于输送辊的端盖 Pending CN109415237A (zh)

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