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    • 1. 发明授权
    • Expandable mandrels
    • 可扩展心轴
    • US4195792A
    • 1980-04-01
    • US968287
    • 1978-12-11
    • Melvin D. Hall
    • Melvin D. Hall
    • B23B31/30B23B31/40B65H75/24
    • B65H75/243B23B31/30B23B31/40Y10T279/1024Y10T279/1087Y10T279/1224
    • An improved sleeve construction for mandrels of the type which grip tubular members such as paper rolls by selectively expanding a rubber or other deformable material sleeve into gripping relation with the inner wall surface of the tubular members wherein the sleeve is sealed at the opposite ends thereof to the mandrel shaft and air is introduced against the inner wall of the central portion of the sleeve to expand it. The sleeve itself is tubular in shape and formed of a rubber material with alternating portions of arcuately long, radially thick, dimensionally stable, first segments separated by arcuately short, radially thin, dimensionally deformable, second segments. The short thin segments are expanded responsive to the introduction of air against the inner wall thereof while the longer, thicker segments include an outer surface which is moved into gripping relation with the tubular members responsive to expansion of the second segments. When the sleeve is expanded, the radially thin segments are dimensionally deformed and stretched causing the effective diameter of the sleeve to increase, even though the dimensions of the larger, thicker segments are not themselves deformed and stretched to any appreciable extent.
    • 一种用于通过选择性地将橡胶或其他可变形材料套筒与管状构件的内壁表面夹紧的关系来夹紧管状构件(例如纸卷)的类型的改进的套筒结构,其中套筒在其相对端被密封 芯轴和空气被引入套筒中心部分的内壁以使其膨胀。 套筒本身是管状的,由橡胶材料形成,具有弧形长,径向厚度,尺寸稳定的第一段的交替部分,第一段由弧形短的径向薄的尺寸可变形的第二段分开。 响应于将空气引导到其内壁上,短的细段是扩展的,而较长较厚的区段包括响应于第二段的膨胀而与管状构件相互夹持关系的外表面。 当套筒膨胀时,径向薄的部分在尺寸上变形和拉伸,导致套筒的有效直径增加,即使较大较厚部分的尺寸本身不变形并且拉伸至任何明显的程度。
    • 2. 发明授权
    • Core locking device
    • 核心锁定装置
    • US4114909A
    • 1978-09-19
    • US669218
    • 1976-03-22
    • Charles M. TaitelRalph L. Ryan
    • Charles M. TaitelRalph L. Ryan
    • B23B31/30B65H75/24B23B31/40
    • B23B31/305B65H75/243Y10T279/1024Y10T279/1283
    • An expandable device for locking an annular core to a shaft for rotation therewith in which an annular body mounts on the shaft and carries a plurality of radially movable bars overlying a single-wall annular bladder lying against the surface of the body. The bars are positioned side by side around the circumference of the body and are interconnected by linking members to limit radial movement. An annular notched band is secured to the body of each end of the bars and engages recesses therein to transmit torque between the bars and the body. Pressurized air is introduced between the bladder and the surface of the body to force the bars radially outward to grip the core.
    • 一种用于将环形芯锁定到轴上以与其一起旋转的可扩张装置,其中环形体安装在轴上并且承载多个可覆盖在身体表面上的单壁环形囊的可径向移动的杆。 杆围绕主体的圆周并排定位,并且通过连接构件互连以限制径向运动。 环形切口带固定到杆的每个端部的主体并且与其中的凹部接合以在杆和主体之间传递扭矩。 加压空气被引入到气囊和主体的表面之间,以迫使杆径向向外以夹紧芯部。
    • 3. 发明授权
    • Ring chucking apparatus
    • 戒指装置
    • US3848882A
    • 1974-11-19
    • US30817872
    • 1972-11-20
    • SULLIVAN E
    • SULLIVAN E
    • B23B31/16B23D47/04B23B31/10B23B31/30
    • B23B31/16287B23D47/04Y10T82/19Y10T279/1024Y10T279/19Y10T279/3481Y10T408/51
    • Apparatus for chucking a piston ring and the like, which is to be axially divided into two ring parts by a cutting blade at a cutting station, including a rotatable, ring holding chuck assembly, having a plurality of circumferentially spaced, chuck jaws, each movable between a radially inner, ring receiving and releasing position in which an undivided ring is initially received and ring parts are subsequently discharged, and a radially outer ring gripping position. The chucking apparatus includes an inflatable, jaw moving bag having a portion disposed radially inwardly of the chuck jaws for moving the jaws to the radially outer positions in which they grip and hold a ring when the bag is inflated. Each of the chuck jaws includes axially spaced, independently radially movable, ring gripping jaw portions separated by a gap for receiving a radially movable, ring cutting blade after the blade has passed radially through the ring.
    • 用于夹紧活塞环等的装置,其通过切割站处的切割刀片在轴向上分成两个环形部分,包括可旋转的环保持卡盘组件,其具有多个周向间隔开的卡盘爪,每个卡盘爪可移动 在其中最初容纳未分隔的环的径向内部环状容纳和释放位置之间,随后排出环形部分以及径向外部环夹紧位置。 夹紧装置包括一个可膨胀的夹爪移动袋,其具有设置在卡盘爪的径向内侧的部分,用于将夹爪移动到径向外部位置,当袋膨胀时,夹持爪握住并保持环。 每个卡盘爪包括轴向间隔开的独立可径向移动的环形夹爪,其间隔开间隙,用于在叶片径向通过环之后接收可径向移动的环形切割刀片。
    • 9. 发明申请
    • ADAPTIVE DESIGN OF FIXTURE FOR THIN-WALLED SHELL/CYLINDRICAL COMPONENTS
    • 薄壁壳/圆柱体组件的自适应设计
    • US20100164187A1
    • 2010-07-01
    • US12529834
    • 2008-03-05
    • Zunmin Geng
    • Zunmin Geng
    • B23B31/30B23Q3/08
    • B25B1/20B23B31/305B23B2215/64B23Q3/06B23Q17/0976B25B5/065G01M7/022Y10T29/49998Y10T279/1024Y10T279/1029Y10T279/1087Y10T279/1216Y10T279/1283
    • A group of fixtures for thin-walled shell/cylindrical components (10) while they are being machined internally and externally, has a mounting base (1) having mounting holes, positioning pins and clamps to locate one end of the thin-walled component. A supporting arbour or cylinder (5) is fixed in the base. A circular lid (12) is fixed to the supporting arbour or cylinder and has a wedged step to locate the other end of the cylindrical component for internal and external machining, or the major open end of shell component for internal machining. A pair of modified vehicle wheel inner tubes (8) are disposed around the supporting arbour or cylinder. A multi-layered sacrificial liner (7) surrounds the pressure element and is adapted to fit between it and the thin-walled components. When properly inflated according to the design and validation procedure, the fixture adaptively holds the thin-walled components for machining, with sufficient supporting rigidity and dynamic stability, so as to maintain the machining precision and surface finish to an acceptable engineering standard. Furthermore, a reasonable and practical design and validation procedure is supplied, easily adapted to different sized thin-walled shell/cylindrical components.
    • 一组用于薄壁外壳/圆柱形部件(10)的夹具在内部和外部加工时具有安装基座(1),其具有安装孔,定位销和夹具以定位薄壁部件的一端。 一个支撑心轴或圆筒(5)固定在基座上。 圆形盖(12)固定到支撑心轴或圆筒上,并且具有楔形步骤以定位用于内部和外部机械加工的圆柱形部件的另一端或用于内部加工的壳体部件的主要开口端。 一对改进的车轮内管(8)设置在支撑心轴或气缸周围。 多层牺牲衬垫(7)围绕压力元件并适于在其与薄壁部件之间配合。 当根据设计和验证程序进行适当充气时,夹具适应性地保持薄壁零件的加工,具有足够的支撑刚度和动态稳定性,从而将加工精度和表面光洁度保持在可接受的工程标准。 此外,提供了一个合理和实用的设计和验证程序,轻松适应不同尺寸的薄壁外壳/圆柱形部件。