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CN212042789U - 刳刨机 - Google Patents

刳刨机 Download PDF

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Publication number
CN212042789U
CN212042789U CN202020132856.5U CN202020132856U CN212042789U CN 212042789 U CN212042789 U CN 212042789U CN 202020132856 U CN202020132856 U CN 202020132856U CN 212042789 U CN212042789 U CN 212042789U
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China
Prior art keywords
base
router
output shaft
input shaft
motor unit
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Inventor
T·S·西加福斯
J·D·斯普拉贡
A·D·范·霍恩
董臻鑫
王烨
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Milwaukee Electric Tool Corp
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Milwaukee Electric Tool Corp
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Priority to US17/052,454 priority Critical patent/US12285881B2/en
Priority to EP20805568.1A priority patent/EP3946856A4/en
Priority to PCT/US2020/032800 priority patent/WO2020232199A1/en
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Publication of CN212042789U publication Critical patent/CN212042789U/zh
Priority to US19/173,989 priority patent/US20250236044A1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27CPLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
    • B27C5/00Machines designed for producing special profiles or shaped work, e.g. by rotary cutters; Equipment therefor
    • B27C5/10Portable hand-operated wood-milling machines; Routers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C1/00Milling machines not designed for particular work or special operations
    • B23C1/20Portable devices or machines; Hand-driven devices or machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/12Arrangements for cooling or lubricating parts of the machine
    • B23Q11/126Arrangements for cooling or lubricating parts of the machine for cooling only
    • B23Q11/128Arrangements for cooling or lubricating parts of the machine for cooling only for cooling frame parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/02Driving main working members
    • B23Q5/04Driving main working members rotary shafts, e.g. working-spindles
    • B23Q5/043Accessories for spindle drives
    • B23Q5/046Offset spindle drives
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30Structural association with control circuits or drive circuits
    • H02K11/33Drive circuits, e.g. power electronics
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/26Means for adjusting casings relative to their supports
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/003Couplings; Details of shafts
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • H02K7/145Hand-held machine tool
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/207Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/1004Structural association with clutches, brakes, gears, pulleys or mechanical starters with pulleys
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/02Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00Gear cutting, milling, or planing
    • Y10T409/30Milling
    • Y10T409/303976Milling with means to control temperature or lubricate
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00Gear cutting, milling, or planing
    • Y10T409/30Milling
    • Y10T409/306216Randomly manipulated, work supported, or work following device
    • Y10T409/306552Randomly manipulated
    • Y10T409/306608End mill [e.g., router, etc.]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Milling, Drilling, And Turning Of Wood (AREA)

Abstract

本实用新型提供了一种刳刨机,其包括:电机单元和基座,基座被配置为可选择性地接收电机单元,以将刳刨机支撑在工件表面上。电机单元包括电机和被配置为输出由电机供应的扭矩的主轴。基座包括输入轴,输出轴,以及带,输入轴被配置为可选择性地联接到主轴,输出轴从输入轴横向偏置。输入轴包括第一滑轮,输出轴包括第二滑轮和工具保持器。带缠绕在第一滑轮和第二滑轮上,以将输入轴旋转地联接到输出轴。当电机单元被接收在基座中时,主轴联接到输入轴。

Description

刳刨机
技术领域
本实用新型涉及动力工具,更具体地,涉及动力旋转切割工具,例如刳刨机。
背景技术
修边刳刨机通常包括可插入一个或多个基座单元(例如,固定式基座、下压式基座、偏置式基座等)的电机单元,以形成刳刨机组件。当前可用于修边刳刨机的许多偏置式基座都使用带和集成到刳刨机组件电机单元的输出主轴的滑轮。为了操作此类偏置式基座,必须先将滑轮安装在电机单元上,然后,才能将电机单元插入偏置式基座中。此外,只可在将电机单元插入偏置式基座后,才能将带绕在滑轮上。由于空间限制和对滑轮的受限的可及性,将带缠绕在滑轮上的最后步骤通常是困难且耗时的。
实用新型内容
在第一独立方面,本实用新型提供了一种刳刨机,其包括电机单元和基座,基座被配置为可选择性地接收电机单元,以将刳刨机支撑在工件表面上。电机单元包括电机和被配置为输出由电机供应的扭矩的主轴。基座包括输入轴,输出轴,以及带,输入轴被配置为可选择性地联接到主轴,输出轴从输入轴横向偏置。输入轴包括第一滑轮,输出轴包括第二滑轮和工具保持器。带缠绕在第一滑轮和第二滑轮上,以将输入轴旋转地联接到输出轴。当电机单元被接收在基座中时,主轴联接到输入轴。
在第一方面的一个实施方式中,刳刨机还包括适配器钻头,适配器钻头被配置为附接到主轴,并被配置为将主轴联接到输入轴。
在第一方面的一个实施方式中,适配器钻头包括第一连接构件,并且输入轴包括第二连接构件,第二连接构件与第一连接构件接合,以将适配器钻头联接到输入轴。
在第一方面的一个实施方式中,适配器钻头包括螺纹孔,螺纹孔可螺纹地接收主轴。
在第一方面的一个实施方式中,第一连接构件和第二连接构件中的一个包括凸连接构件,第二连接构件和第一连接构件中的另一个包括凹毂,凹毂具有与凸连接构件对应的形状。
在第一方面的一个实施方式中,基座包括壳体,壳体包括键槽,键槽被配置为在通过键槽插入插键时锁定输出轴以防止旋转。
在第一方面的一个实施方式中,工具保持器被配置为支撑工具元件,基座包括定位螺钉,定位螺钉可旋转以调节工具元件的切割深度。
在第一方面的一个实施方式中,带被配置为同步带。
在第一方面的一个实施方式中,刳刨机还包括风扇,风扇被配置成在基座内产生气流。
在第一方面的一个实施方式中,风扇被支撑在输出轴上以与其一起旋转。
在第一方面的一个实施方式中,基座包括壳体,壳体包括位于输出轴的上端附近的进气口,当风扇旋转时,空气通过进气口被吸入基座。壳体包括位于风扇的径向外侧的出气口,风扇将空气从出气口排出。
在第二独立方面,本实用新型提供了一种刳刨机,其包括电机单元和基座,基座被配置为可选择性地接收电机单元,以将刳刨机支撑在工件表面上。电机单元包括电机和被配置为输出由电机供应的扭矩的主轴。基座包括输出轴。当电机单元被接收在基座中时,输出轴从主轴横向偏置,输出轴包括工具保持器。基座还包括风扇,风扇被配置成在基座内产生气流。
在第二方面的一个实施方式中,风扇被支撑在输出轴上以与其共同旋转。
在第二方面的一个实施方式中,风扇从电机接收扭矩,以产生气流。
在第二方面的一个实施方式中,基座包括限定进气口的壳体。风扇通过进气口将空气吸入基座。
在第二方面的一个实施方式中,壳体还包括出气口。风扇通过出气口将空气排出。
在第二方面的一个实施方式中,出气口位于风扇的径向外侧。
在第二方面的一个实施方式中,当电机单元被接收在基座中时,主轴联接到输出轴。
在第二方面的一个实施方式中,基座还包括:输入轴,其被配置为可选择性地联接到主轴,输入轴从输出轴横向偏置并且包括第一滑轮;第二滑轮,其与输出轴联接以用于共同旋转;以及带,其缠绕在第一滑轮和第二滑轮上,以将输入轴旋转地联接到输出轴。
在第三独立方面,本实用新型提供了一种刳刨机,包括电机单元和基座,基座被配置为可选择性地接收电机单元,以将刳刨机支撑在工件表面上。电机单元包括电机和被配置为输出由电机供应的扭矩的主轴。基座包括壳体、输入轴和输出轴,带和风扇,输入轴包括第一滑轮,输出轴包括第二滑轮和工具保持器。输入轴可旋转地支撑在壳体中,并且被配置为可选择性地联接到主轴。输出轴可旋转地支撑在壳体中并位于从输入轴横向偏置的位置。带缠绕在第一滑轮和第二滑轮上,以将输入轴旋转地联接到输出轴。风扇与输出轴联接以用于共同旋转,以将气流引导通过壳体。当电机单元被接收在基座中时,在不用从第一滑轮移除带的情况下,主轴可联接到输入轴。
通过考虑以下详细描述和附图,本实用新型的其他特征和方面将变得显而易见。
附图说明
图1是包括电机单元和基座的刳刨机的立体图。
图2是图1的基座的立体图。
图3是沿图2中的线3–3截取的图1的基座的剖视图。
图4是图1的刳刨机的适配器钻头的立体图。
图5是图1的电机单元的立体图。
图6是沿图5中的线6–6截取的图1的电机单元的剖视图。
图7是图1的刳刨机的一些部分的剖视图,示出了接收在基座中的电机单元。
图8是沿图2中的线8–8截取的图1的基座的另一剖视图。
图9是与图1的电机单元一起使用的基座的立体图。
图10是图9的基座的另一立体图,其中移除了一些部分。
图11是沿图9中的线11–11截取的图9的基座的剖视图。
图12是图9的基座的保持板的平面图。
图13是图9的基座的另一保持板的平面图。
图14是图11的剖视图的详细视图。
在详细解释本实用新型的任何实施方式之前,应理解,本实用新型的应用不限于在以下描述中阐述或在附图中示出的构造细节和部件布置。本实用新型能够具有其他实施方式,并且能够以各种方式实践或执行。同样,应理解,本文所使用的措词和术语是出于描述的目的,而不应被认为是限制性的。
具体实施方式
图1示出了根据本实用新型的一个实施方式的手持式刳刨机10。刳刨机10包括基座12和由基座12支撑的电机单元14。电机单元14包括电机16,该电机16可操作以驱动工具元件(未示出)以切割工件。在所示的构造中,基座12被配置为偏置式基座。
如图2和图3所示,基座12包括被配置为与工作表面(例如,工件的表面)对接(interface)的子基座或基板18。基座12还包括基座壳体20,该基座壳体20具有大体上圆柱形的环形套筒22和与套筒22一体形成并从其横向偏置的偏置壳体部分24。在所示的实施方式中,基座壳体20被紧固到基板18,但是在其他实施方式(未示出)中,基座壳体20可与基板18一体地形成。
基座12的套筒22从基板18向上延伸,并且包括用于与电机单元14对接的大体圆柱形的内表面26。套筒22是弹性的,并且在垂直的缝(seam)28处在一侧打开。因此,可通过打开或部分闭合缝28而分别增大或减小套筒22的内径。当不施加力来闭合缝28时,套筒22的弹性导致缝28部分打开。
继续参考图2和图3,基座12包括用于控制缝28的打开和闭合的夹紧机构30。当缝28部分闭合时,基座12处于夹紧状态,其中电机单元14相对于基座12保持在固定位置。当缝28打开时,基座12处于释放状态,在释放状态下,可以将电机单元14插入基座12或从基座12移除电机单元14。夹紧机构30包括致动器或夹紧手柄32,夹紧手柄32具有抓握部分34和凸轮部分36。夹紧手柄32可旋转以部分地闭合或打开缝28,从而在夹紧状态和释放状态之间重新配置基座12。
参考图5和图6,电机单元14大体上垂直定向并且具有大体上圆柱形的外表面38。电机单元14支撑电机16和相关部件。电机16包括电机轴40,并且电机轴40的一部分限定从电机单元14向外延伸的主轴42。主轴42被配置为选择性地联接到被配置为支撑工具元件的工具保持器(例如,夹头和螺母组件)。工具保持器包括主轴42的螺纹端43、工具元件容纳在其中的夹头(未示出),以及螺纹连接到主轴42的螺纹端43的螺母(未示出)。
电机单元14还限定了手柄部分44,手柄部分44被配置成由使用者抓握。手柄部分44限定电池插座46,电池插座46位于手柄部分44的、与主轴42相对的端部上。电池插座46被配置成可选择性地机械连接和电气连接到可再充电电池组47,以用于为电机16供电。电池组47可包括许多不同的标称电压(例如,12V、18V等)中的任何一个,并且可被配置为具有许多不同的化学物质(例如,锂离子、镍镉等)中的任何一个。在替代实施方式(未示出)中,电机16可通过电源线、由远程电源(例如,家用电源插座)供电。
如图7所示,电机单元14被布置成装配在套筒22内,并且相对于套筒22垂直地固定。如上所述,使用夹紧机构30闭合缝28将导致套筒22的内表面26(图2)夹紧电机单元14的外表面38(图5),以将电机单元14相对于基座12固定在固定的位置(即,高度)。打开缝28将释放电机单元14并且允许将电机单元14从基座12上移除。
返回参照图3,基座12还包括传动系统48,传动系统48具有输入轴50、输出轴52和带54(例如,同步带),该带54将输入轴50可旋转地联接到输出轴52。传动系统48还包括第一滑轮56和第二滑轮58,第一滑轮56联接成与输入轴50共同旋转,第二滑轮58联接成与输出轴52共同旋转。带54接合并可旋转地联接第一滑轮56和第二滑轮58,以将扭矩从输入轴50传递到输出轴52。就这一点而言,第一滑轮56和第二滑轮58以及带54被包括为基座12的组成部件,使得当从基座12上移除电机单元14时,滑轮56、滑轮58和带54与基座12保持在一起。用于修边刳刨机的现有技术的偏置式基座通常利用与电机单元的输出主轴成一体的滑轮,这要求使用者在将刳刨机插入偏置式基座之后,手动地将带缠绕在滑轮上。相反,在带54始终保持缠绕在滑轮56、滑轮58周围的情况下,在电机单元14插入基座12或从基座12移除时,无需将带54移除和/或附接到电机单元14。
输入轴50可旋转地支撑在基座12的套筒22内。当将电机单元14插入基座12中时,主轴42可旋转地联接到输入轴50。具体地,在示出的实施方式中,刳刨机10包括适配器钻头60(图4),该适配器钻头60可在移除夹头和螺母之后螺纹连接到主轴42的螺纹端43,以便于基座12和电机单元14之间的快速附接和快速移除。适配器钻头60包括凸连接构件62和螺纹孔64,主轴42的螺纹端43接收在螺纹孔64中。进而,输入轴50限定凹毂66(图3),该凹毂66具有与凸连接构件62的形状相对应的形状。如图7所示,当将电机单元14插入到基座12中时,适配器钻头60的凸连接构件62与凹毂66接合(例如,通过标称滑动配合(nominal slip-fit)),以使主轴42和输入轴50可旋转地结合在一起。在替代实施方式(未示出)中,该布置可以倒置,使得适配器钻头60限定凹毂,并且输入轴50包括凸连接构件。
再一次参考图3,输出轴52被可旋转地支撑在基座12的偏置壳体部分24内。输出轴52包括工具保持器67,该工具保持器67接收并支撑工具元件(未示出)。工具保持器67包括输出轴52的螺纹端69、工具元件接收在其中的夹头73,以及螺纹连接在输出轴52的螺纹端69上的螺母75。当螺纹连接到输出轴52的螺纹端69上时,螺母75向夹头73施加轴向夹紧力,然后,该轴向夹紧力被转换为在夹头73上的径向夹紧力,以将工具元件夹紧在夹头73中。
为了使电机单元14与基座12一起操作,通过将螺纹孔64拧紧在主轴42的螺纹端上,将适配器钻头60附接到主轴42。在基座12处于释放状态的情况下(即,在缝28打开的情况下),将电机单元14插入套筒22中,以使得凸连接构件62与输入轴50的凹毂66接合。旋转夹紧手柄32,以部分关闭缝28,并将基座12置于夹紧状态,从而将电机单元14固定在基座12内。电机16被启动以旋转主轴42,并且主轴42的旋转驱动输入轴50。扭矩从输入轴50经由带54传递到输出轴52,以驱动附接到工具保持器67的工具元件(未示出)。以这种方式,偏置式基座允许在传统刳刨机难以或不可能接近的位置(例如,靠近边缘、拐角或其他障碍物的位置)上对工件进行切割。
参考图8,基座12还包括键槽68,键槽68包括在偏置壳体部分24中限定的一对第一开口70,以及限定在第一开口70附近、输出轴52中的对应的第二开口72。通过将工具(例如,艾伦扳手;未示出)插入键槽68中,并通过第一开口70和第二开口72中的至少一个开口,实现了主轴锁定,以在工具保持器67松开或拧紧以分别移除或插入工具元件时,防止输出轴52旋转。
输出轴52还包括可调节的定位螺钉74,该可调节的定位螺钉74可相对于输出轴52旋转,以调节工具元件的切割深度。定位螺钉74位于输出轴52的中心孔内。定位螺钉74可旋转以沿垂直方向朝向或远离工具保持器67移动,从而增加或减小工具元件可插入工具保持器67的程度。
图9至图11示出了根据本实用新型另一实施方式的基座112。基座112类似于上述基座12,并且包括与基座12大体相同的结构。类似地,基座112以与上述关于基座12类似的方式可选择性地接收并滑动地支撑电机单元14。因此,下面的描述主要集中在与上面结合图1至图8描述的基座12的实施方式不同的基座112的结构和特征。结合图1至图8描述的基座12的特征和元件在图9至图11中以附图标记的100系列编号。应理解,下面没有明确描述的基座112的特征具有与基座12的特征相同的特性。
基座112包括基板118和基座壳体120,基座壳体120具有大体上圆柱形的环形套筒122和偏置的壳体部分124。基座112还包括夹紧机构130,以控制缝128的打开和关闭,以及传动系统148,其具有输入轴150和通过带154(例如,同步带)可旋转地联接到输入轴150的输出轴152。输出轴152通过位于输出轴152和偏置壳体部分124之间的一对轴承175,可旋转地支撑在偏置壳体部分124内。输出轴152支撑用于与输出轴152共同旋转的冷却风扇176。偏置壳体部分124限定位于输出轴152的上端附近的进气口177,以及位置邻近冷却风扇176并且在冷却风扇176的径向外侧的出气口178。偏置壳体部分124还限定靠近基板118并且和基板118为面对关系的底部开口180。尽管在图11中未示出,但是工具保持器(类似于以上描述的并且在图8中示出的工具保持器67)被包括在输出轴152的端部,并从底部开口180突出以用于夹紧工具元件。
在操作中,冷却风扇176在偏置壳体部分124内产生冷却气流,以冷却偏置式基座112,包括传动系统148、偏置壳体部分124和夹紧在工具保持器(未示出)上的切割工具。冷却风扇176通过进气口177吸入外部空气,并将空气引向出气口178,空气径向向外排出出气口178。当输出轴152在操作期间旋转时,在轴承175内产生的摩擦会产生热量,并提高例如传动系统148、偏置壳体部分124和切割工具的操作温度。冷却气流有助于防止这些部件的操作温度变得不期望地太热,这是传统偏置式基座的常见问题。
在一些实施方式(未示出)中,进气口和/或出气口可相对于偏置壳体部分124重新定位是进一步考虑到的。例如,出气口可位于底部开口180或底部开口180附近,使得冷却空气围绕工具保持器并朝向基板118(并因此工件表面)向下排出,而非径向向外排出。
参照图11和图12,所示的基座112包括位于偏置壳体部分124内并邻接下轴承175的保持板182。保持板182有效地封闭下轴承175附近的偏置壳体部分124,从而阻碍了由冷却风扇176产生的冷却气流朝向底部开口180排放。
参照图13和图14,在一些实施方式中,基座112包括具有周向间隔开的径向凹口184a的具有凹口的保持板182a。径向凹口184a允许由冷却风扇176产生的冷却气流的一部分朝向底部开口180向下流动,如图14中所示的箭头所示。通过凹口184a的冷却气流的一部分为下轴承175提供了额外的冷却。
图10和图11还示出了适配器160,适配器160类似于上述和图4所示的适配器钻头60。类似适配器钻头60,适配器钻头160也可螺纹连接到主轴42的螺纹端43上,以便于在基座112和电机单元14之间快速附接和快速移除。适配器钻头160包括螺纹孔164,主轴42的螺纹端43接收在螺纹孔164中。适配器钻头160还包括凸连接构件162,该凸连接构件162与上述凸连接构件62稍微不同。具体地,所示的凸连接构件162包括方形凸台162和位于方形凸台162周围的减震器163。进而,基座112的输入轴150限定凹毂166,凹毂166的形状对应于凸连接构件162的形状。如图11所示,当电机单元14装配有适配器钻头160并插入基座112时,适配器钻头160的凸连接构件162与凹毂166接合(例如,通过标称滑动配合),以使主轴42和输入轴150可旋转地结合在一起。当这样布置时,减震器163位于凹毂166和方形凸台162的壁之间,并且在基座112的操作期间减少机械振动和噪声。
在权利要求中阐述了本实用新型的各种特征。

Claims (20)

1.一种刳刨机,其特征在于,所述刳刨机包括:
电机单元,其包括电机和主轴,所述主轴被配置为输出由所述电机供应的扭矩;以及
基座,其被配置为能够选择性地接收所述电机单元,以将所述刳刨机支撑在工件表面上,所述基座包括:
输入轴,其被配置为能够选择性地联接到所述主轴,所述输入轴包括第一滑轮;
输出轴,其从所述输入轴横向偏置,所述输出轴包括第二滑轮和工具保持器;以及
带,其缠绕在所述第一滑轮和所述第二滑轮上,以将所述输入轴旋转地联接到所述输出轴;
其中,当所述电机单元被接收在所述基座中时,所述主轴联接到所述输入轴。
2.根据权利要求1所述的刳刨机,其特征在于,所述刳刨机还包括适配器钻头,所述适配器钻头被配置为附接到所述主轴,并被配置为将所述主轴联接到所述输入轴。
3.根据权利要求2所述的刳刨机,其特征在于,所述适配器钻头包括第一连接构件,并且所述输入轴包括第二连接构件,所述第二连接构件与所述第一连接构件接合,以将所述适配器钻头联接到所述输入轴。
4.根据权利要求3所述的刳刨机,其特征在于,所述适配器钻头包括螺纹孔,所述螺纹孔能够螺纹地接收所述主轴。
5.根据权利要求3所述的刳刨机,其特征在于,所述第一连接构件和所述第二连接构件中的一个包括凸连接构件,并且其中,所述第二连接构件和所述第一连接构件中的另一个包括凹毂,所述凹毂具有与所述凸连接构件对应的形状。
6.根据权利要求1所述的刳刨机,其特征在于,所述基座包括壳体,所述壳体包括键槽,所述键槽被配置为在通过所述键槽插入插键时,锁定所述输出轴以防止其旋转。
7.根据权利要求1所述的刳刨机,其特征在于,所述工具保持器被配置为支撑工具元件,并且其中,所述基座包括定位螺钉,所述定位螺钉可旋转以调节所述工具元件的切割深度。
8.根据权利要求1所述的刳刨机,其特征在于,所述带被配置为同步带。
9.根据权利要求1所述的刳刨机,其特征在于,所述刳刨机还包括风扇,所述风扇被配置成在所述基座内产生气流。
10.根据权利要求9所述的刳刨机,其特征在于,所述风扇被支撑在所述输出轴上以与其一起旋转。
11.根据权利要求10所述的刳刨机,其特征在于,所述基座包括壳体,并且其中,所述壳体包括位于所述输出轴的上端附近的进气口,当所述风扇旋转时,空气通过所述进气口被吸入所述基座,并且其中,所述壳体包括位于所述风扇的径向外侧的出气口,所述风扇将空气从所述出气口排出。
12.一种刳刨机,其特征在于,所述刳刨机包括:
电机单元,其包括电机和主轴,所述主轴被配置为输出由所述电机供应的扭矩;以及
基座,其被配置为能够选择性地接收所述电机单元,以将所述刳刨机支撑在工件表面上,所述基座包括:
输出轴,当所述电机单元被接收在所述基座中时,所述输出轴从所述主轴横向偏置,所述输出轴包括工具保持器;以及
风扇,其被配置成在所述基座内产生气流。
13.根据权利要求12所述的刳刨机,其特征在于,所述风扇被支撑在所述输出轴上以与其共同旋转。
14.根据权利要求12所述的刳刨机,其特征在于,所述风扇从所述电机接收扭矩,以产生所述气流。
15.根据权利要求12所述的刳刨机,其特征在于,所述基座包括限定进气口的壳体,并且其中,所述风扇通过所述进气口将空气吸入所述基座。
16.根据权利要求15所述的刳刨机,其特征在于,所述壳体还包括出气口,并且其中,所述风扇通过所述出气口将空气排出。
17.根据权利要求16所述的刳刨机,其特征在于,所述出气口位于所述风扇的径向外侧。
18.根据权利要求12所述的刳刨机,其特征在于,当所述电机单元被接收在所述基座中时,所述主轴联接到所述输出轴。
19.根据权利要求18所述的刳刨机,其特征在于,所述基座还包括:
输入轴,其被配置为能够选择性地联接到所述主轴,所述输入轴从所述输出轴横向偏置并且包括第一滑轮;
第二滑轮,其与所述输出轴联接以用于共同旋转;以及
带,其缠绕在所述第一滑轮和所述第二滑轮上,以将所述输入轴旋转地联接到所述输出轴。
20.一种刳刨机,其特征在于,所述刳刨机包括:
电机单元,其包括电机和主轴,所述主轴被配置为输出由所述电机供应的扭矩;以及
基座,其被配置为能够选择性地接收所述电机单元,以将所述刳刨机支撑在工件表面上,所述基座包括:
壳体;
输入轴,其可旋转地支撑在所述壳体中,并且被配置为能够选择性地联接到所述主轴,所述输入轴包括第一滑轮;
输出轴,其可旋转地支撑在壳体中并位于从所述输入轴横向偏置的位置,所述输出轴包括第二滑轮和工具保持器;
带,其缠绕在所述第一滑轮和所述第二滑轮上,以将所述输入轴旋转地联接到所述输出轴;以及
风扇,其与所述输出轴联接以用于共同旋转,以将气流引导通过所述壳体;
其中,当所述电机单元被接收在所述基座中时,在不用从所述第一滑轮移除所述带的情况下,所述主轴能够联接到所述输入轴。
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