WO2014005372A1 - 电动斜切锯 - Google Patents

电动斜切锯 Download PDF

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Publication number
WO2014005372A1
WO2014005372A1 PCT/CN2012/081111 CN2012081111W WO2014005372A1 WO 2014005372 A1 WO2014005372 A1 WO 2014005372A1 CN 2012081111 W CN2012081111 W CN 2012081111W WO 2014005372 A1 WO2014005372 A1 WO 2014005372A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
slide rails
slide
rail
saw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2012/081111
Other languages
English (en)
French (fr)
Inventor
林有余
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Sumec Hardware and Tools Co Ltd
Original Assignee
Jiangsu Sumec Hardware and Tools Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201210228955.3A external-priority patent/CN102806388B/zh
Priority claimed from CN201210317700.4A external-priority patent/CN102794497B/zh
Application filed by Jiangsu Sumec Hardware and Tools Co Ltd filed Critical Jiangsu Sumec Hardware and Tools Co Ltd
Priority to CA2861991A priority Critical patent/CA2861991C/en
Priority to EP12880687.4A priority patent/EP2871013B1/en
Priority to US14/376,059 priority patent/US9339877B2/en
Publication of WO2014005372A1 publication Critical patent/WO2014005372A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
    • B23D47/02—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of frames; of guiding arrangements for work-table or saw-carrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
    • B23B45/04—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by fluid-pressure or pneumatic power
    • B23B45/046—Piston engines
    • B23B45/048—Internal combustion piston engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
    • B23D45/04—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade or the stock carried by a pivoted lever
    • B23D45/042—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade or the stock carried by a pivoted lever with the saw blade carried by a pivoted lever
    • B23D45/046—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade or the stock carried by a pivoted lever with the saw blade carried by a pivoted lever the pivoted lever being mounted on a carriage
    • B23D45/048—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade or the stock carried by a pivoted lever with the saw blade carried by a pivoted lever the pivoted lever being mounted on a carriage the saw blade being adjustable according to angle of cut
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
    • B23D45/14—Sawing machines or sawing devices with circular saw blades or with friction saw discs for cutting otherwise than in a plane perpendicular to the axis of the stock, e.g. for making a mitred cut
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
    • B23D47/132—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of means to position the saw blade at a specified angle when adjusting about an axis perpendicular to the work support surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B5/00—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
    • B27B5/16—Saw benches
    • B27B5/18—Saw benches with feedable circular saw blade, e.g. arranged on a carriage
    • B27B5/20—Saw benches with feedable circular saw blade, e.g. arranged on a carriage the saw blade being adjustable according to depth or angle of cut; Radial saws, i.e. sawing machines with a pivoted radial arm for guiding the movable carriage
    • B27B5/208—Saw benches with feedable circular saw blade, e.g. arranged on a carriage the saw blade being adjustable according to depth or angle of cut; Radial saws, i.e. sawing machines with a pivoted radial arm for guiding the movable carriage the saw blade being mounted on a hanging arm or at the end of a set of bars, e.g. parallelograms

Definitions

  • the invention relates to an electric miter saw, in particular to a sliding electric miter saw.
  • Sliding electric miter saws offer a wide cutting width and are used in a wide range of applications.
  • most of the sliding miter saws are provided with a swing arm at the tail of the workbench, at least one slide rail is slidably provided on the swing arm, and a saw mechanism is fixed at one end of the slide rail to realize sliding cutting.
  • the slide rails will extend backwards, requiring a large working space, and the packaging volume is large, and the transportation cost is high.
  • Patent EP0379322B1 discloses another sliding miter saw, in which a slide rail is arranged inside the workbench, one end of the slide rail is fixed with a swing arm, and the saw mechanism is mounted on the swing arm, and the stability of the slide rail is improved.
  • the rear of the machine still requires a large working space and the package is bulky.
  • the cutting saw disclosed in the patent CN02138582. 3 adds a guiding device and a groove under the swing arm, and makes full use of a part of the space on the base. Although a part of the space is saved, the sliding rail extends for a long time during operation. Summary of the invention
  • the technical problem to be solved by the present invention is to provide an electric miter saw which is compact in structure, has a larger cutting stroke, can be provided with a sliding stroke as needed, and saves working space and is easy to manufacture.
  • an electric miter saw comprising:
  • a saw mechanism comprising a motor, a saw blade driven by a motor, a motor frame, the saw mechanism being located above the table and movable in a front-rear direction;
  • a swing arm rotatably mounted to a rear end of the workbench
  • the utility model is characterized in that: the swing arm is provided with two or more layers of slide rails extending in the horizontal front-rear direction, and the two or more layers of the slide rails can slide relative to each other through the slider, wherein On the layer of slides farthest from the swing arm A rotating shaft is provided, and the saw mechanism is rotatably coupled to the rotating shaft.
  • the slide rail includes a first layer slide rail extending in a horizontal direction fixedly or slidably disposed on the swing arm, and correspondingly, the slider is slidably or fixedly disposed on the first layer slide rail Also included is a second layer of slide rails disposed on the slider.
  • the second layer slide rail is fixedly connected to the slider or can slide relative to each other.
  • the rotating shaft is slidably disposed on the second layer slide rail, or the rotating shaft is fixedly disposed at one end of the second layer slide rail.
  • the two or more layers of the slide rails respectively comprise one, two or more slide rails.
  • each of the slide rails includes two parallel linear slide rails, and the center lines of the two slide rails in each of the slide rails are parallel to each other, and each layer of the slide rails is parallel to each other.
  • the saw blade movement can be accommodated between the two linear slides.
  • a first layer of slide rail extending in a horizontal front-rear direction, and a slider disposed on the first layer slide rail on the slider a second layer of slide rails is disposed on the other side of the saw blade, the second layer of slide rails is parallel to the first layer of slide rails and is slidable relative to each other, and the second layer of slide rails is disposed on the second layer of slide rails a rotating shaft, the saw mechanism is rotatably coupled to the rotating shaft, and a space between the first layer of the sliding rail and the second layer of the sliding rail can accommodate the movement of the saw blade.
  • a first layer of slide rails is fixedly disposed on the swing arm and on one side of the saw blade.
  • a first layer of slide rails is slidably disposed on the swing arm and on one side of the saw blade.
  • a slider is slidably disposed on the first layer of the slide rail, or a slider is fixedly disposed at one end of the first layer of the rail.
  • a second layer of slide rails is fixedly disposed on the slider and on the other side of the saw blade, and a rotating shaft is slidably disposed on the second layer of the slide rails, so that the saw mechanism is It is slidable relative to the second layer of slide rails.
  • a second layer of slide rails is slidably disposed on the slider and on the other side of the saw blade, and a rotating shaft is fixedly or slidably disposed on the second layer of rails, so that the The saw mechanism slides with the second layer slide rail relative to the slider or slides the saw mechanism relative to the second layer slide rail.
  • the first layer slide rail and the second layer slide rail respectively comprise one, two or more slide rails.
  • the first layer of slide rails comprises two slide rails, and the plane of the center line of the two slide rails is parallel to the saw blade or arranged at an angle to the saw blade.
  • the second layer slide rail comprises two slide rails, and the plane of the center line of the two slide rails is parallel or parallel with the saw blade The saw blades are arranged at an angle.
  • the first layer slide rail and the second layer slide rail each include two slide rails, and the ends of the two slide rails are respectively fixed with a connecting seat.
  • the first layer of slide rails and the second layer of slide rails are arranged asymmetrically with respect to a plane in which the saw blade is located.
  • the first layer slide rail and the second layer slide rail respectively comprise two slide rails, wherein the plane of the center line of the two slide rails is V-shaped, and the larger end of the V-shaped opening faces the saw mechanism, and the saw mechanism can be accommodated.
  • the motor frame and the saw blade move during movement, and the other end with the smaller V-shaped opening faces the table, and can accommodate the saw blade moving when the saw mechanism moves.
  • a locking device is also arranged on the swing arm, the slider or the rotating shaft.
  • the locking device is a locking screw, and the sliding stroke is positioned by the end of the locking screw being in close contact with the surface of the sliding rail.
  • the locking device is an engaging pin, and a plurality of holes are arranged on the sliding rail, and the sliding stroke is positioned by the cooperation of the engaging pin and the different holes on the sliding rail.
  • the length of the two or more layers of the slide rails is equal or unequal.
  • the slide rails in the two or more layers of the slide rails are cylindrical linear slide bars.
  • the slide rails in the two or more layers of the slide rails are linear slide bars with linear grooves or linear bosses.
  • the second layer of slide rails is disposed at a higher position than the first layer of slide rails.
  • the electric miter saw of the present invention is provided with a plurality of slide rails between the saw mechanism and the work table, and the length of each slide rail can be shorter during the same cutting stroke, which reduces the manufacturing difficulty.
  • the multi-layer slide rails can be respectively locked in different positions, and the user can lock the slide rails according to the cutting width of the workpiece to set the appropriate sliding stroke, which is convenient for operation and improves work efficiency.
  • the slide rail does not protrude or protrudes shorter toward the rear of the swing arm, which greatly saves the working space of the miter saw, reduces the packaging volume, and reduces the transportation cost. .
  • the electric miter saw of the present invention when a pair of slide rails are respectively disposed on both sides of the saw blade, can not interfere with the saw blade cutting motion, and the ends of the two slide rails in each layer of the slide rail can be connected by the connecting seat and The slider limit is used to improve the parallelism of the two slide rails, so that the slide rails can be set longer and have a larger cutting stroke.
  • the miter saw of the present invention when the two sliding rails are respectively arranged on the side of the saw blade, the plane parallel to the saw blade is parallel or inclined to form a V-shaped clamping space, and the larger end of the V-shaped opening can accommodate When the saw mechanism slides, the motor frame and the rotating shaft pass through, and the other end with the smaller V-shaped opening can accommodate the saw blade sliding when the saw mechanism slides, and the line of sight is wide when working, which is convenient for cutting and observation.
  • DRAWINGS Figure 1 is a perspective view of Embodiment 1 of the present invention
  • Figure 2 is a front view of Figure 1;
  • Figure 3 is a plan view and a partial cross-sectional view of Figure 2;
  • Figure 4 is a schematic view of the electric miter saw blade of Figure 2 when the stroke is minimum;
  • Figure 5 is a schematic view of the slide of the electric miter saw of Figure 2;
  • Figure 6 is a perspective view of a second embodiment of the present invention.
  • Figure 7 is a front view of Figure 6 of the present invention.
  • Figure 8 is a left side view of Figure 7;
  • Figure 9 is a right side view of Figure 7;
  • Figure 10 is a schematic view of the slide of the electric miter saw of Figure 6 when the stroke is minimum;
  • Figure 11 is a schematic view showing the maximum stroke of the electric miter saw blade of Figure 6;
  • the base 1, the table 2, the swing arm locking button 3, the swing arm 4, the first layer slide rail 5, the slider 6, the first layer slide rail locking member 7, and the first layer slide rail connecting seat 8 The second layer of the rail locking member 9, the rotating shaft 10, the second layer of the sliding rail 11, the motor 12, the motor frame 13, the second layer of the rail connecting seat 14, the saw blade 15, the grille 16, and the limiting member 17.
  • the electric miter saw base 1 is provided with a grid 16 for positioning a workpiece.
  • the table 2 is rotatably coupled to the base 1, and the swing arm 4 is rotatable.
  • a swing arm locking device that is, a swing arm locking button 3
  • the swing arm 4 is provided with at least one first layer slide rail 5 extending in the horizontal direction, and a slider 6 is slidably disposed on the first layer slide rail 5, and the slide block 6 is also slidably
  • At least one second layer slide rail 11 parallel to the first layer slide rail 5 is disposed.
  • One end of the second layer slide rail 11 is fixedly disposed with a rotating shaft 10, and the saw mechanism is pivotally connected to the rotating shaft 10.
  • the saw mechanism includes a motor frame 13, a motor 12, and a saw blade 15, and the saw mechanism is rotatably coupled to one end of a slide rail farthest from the swing arm 4 via the motor frame 13.
  • the plane phase of the center line of the two slide rails of the first layer slide rail 5 and the second layer slide rail 11 (ie, the center axis of the slide rail) Parallel to each other, the space between the two linear slides in each layer of slide rails can accommodate the movement of the saw blade 15, and the end of the front end of the slide rail is provided with a limiting member 17, which prevents the slider 6 or the rotating shaft 10 from slipping off when sliding. rail.
  • the ends of the rear ends of the two slide rails in each of the slide rails are provided with a joint that does not interfere with the sliding of the saw blade, such as a second slide rail joint 14 provided on the second slide rail.
  • the planes of the centerlines of the two slides of each layer are parallel to each other and perpendicular to the saw blade 15.
  • a locking device is further disposed thereon, so that the slider 6, the rotating shaft 10 and the slide rail which slide relative thereto can be locked and maintained. Relatively stationary, it cannot slide relative to each other.
  • a first layer of rail locking member 7 and a second layer of rail locking member 9 are respectively disposed on the slider 6 for locking the slider 6 on the first layer rail. 5 and the second layer of slide rails 11.
  • the slide rail can be locked by tightening the locking member, and the user can lock the slide rail according to the cutting width of the workpiece to set a proper sliding stroke, and can quickly and accurately set the sliding stroke of the miter saw. Improve the work efficiency by applying different cutting widths.
  • the locking device employs a locking screw.
  • Each of the slide rails in the electric miter saw of the present invention preferably takes the form of a cylindrical linear slide, a linear track with grooves or bosses, and one of similar linear tracks.
  • the main view of the slide rail of the electric miter saw of the present invention is the smallest, and the rear of the electric miter saw no longer requires a large working space, and the packaging volume is also much smaller.
  • the main view of the slide rail of the electric miter saw of the present invention is the largest, and the electric miter saw has a larger sliding stroke, and the length of each rail is shortened, and the manufacturing difficulty is reduced.
  • slide rails of three or more layers can be similarly pushed.
  • adjacent two slide rails are connected by a slider 6, each of which is slidable relative to the slider 6, and can be locked by a locking device tight.
  • the shaft 10 is disposed on a layer of slide rails farthest from the swing arm 4.
  • the electric miter saw includes a base 1, a mounting on the base 1 for positioning the workpiece, and a rotation connection to the base 1.
  • the table 2 is rotatably mounted to the swing arm 4 at the rear of the table 2.
  • the swing arm 4 is fixedly locked to the table 2 by a swing arm locking button 3, so that the swing arm 4 and the table 2 rotate relative to each other to form a set cutting angle.
  • the swing arm 4 is provided with two parallel first sliding rails 5 extending in the horizontal direction toward the front F.
  • the first sliding rail 5 is provided with a slider 6 slidable along the horizontal extending direction thereof.
  • second layer slide rails 11 can slide with the slider 6 in the horizontal extension direction of the first layer slide rail 5.
  • the second layer slide rail 11 is provided with a rotating shaft 10 slidable along a horizontal extending direction thereof.
  • the saw mechanism is pivotally connected to the rotating shaft 10, and the sawing mechanism can slide along the horizontal extending direction of the rotating shaft 10 along the second layer sliding rail 11.
  • the first layer slide rail 5 and the second layer slide rail 11 respectively comprise two linear slide rails, and the slide rails are parallel to each other, and each slide rail has the same length or unequal, and the axial direction is the chamfer.
  • the two slide rails in the first layer slide rail 5 are equal in length
  • the two slide rails in the second layer slide rail 11 are equal in length.
  • the slider 6 and the rotating shaft 10 are respectively provided with a first layer sliding rail locking member 7 and a second layer sliding rail locking member 9, and the movable sliding blocks and the sliding rails are respectively relatively locked and fixed.
  • the second layer slide rail 11 can be slidably or fixedly connected with respect to the slider 6.
  • the rear ends of the two second layer slide rails 11 are fixedly connected to the slider 6, and the front ends of the two second layer slide rails 11 extend forwardly above the table 2.
  • the saw mechanism includes a motor 12, a saw blade 15 and a motor frame pivotally coupled to the rotating shaft 10.
  • the saw blade 15 is disposed on the motor frame 13 and is rotatable by the motor 12 to perform cutting of the workpiece.
  • the first layer slide rails 5 and the second layer slide rails 11 are respectively disposed on both sides of the saw blade 15 without interfering with the saw blade cutting motion.
  • the front ends of the two first sliding rails 5 and the two second sliding rails 11 are respectively fixedly connected by the first sliding rail connecting seat 8 and the second sliding rail connecting seat 14 to ensure the stability of the sliding rail and improve each
  • the parallelism of the two slide rails in the layer is convenient for manufacturing and installation, so that the slide rails can be set longer and have a larger cutting stroke, as shown in Figs.
  • each layer of the slide rails The length can be shorter, and the manufacturing difficulty is reduced; and the first layer rail connecting seat 8 and the second layer rail connecting seat 14 can also respectively limit the sliding of the slider 6 and the rotating shaft 10, so as to avoid the slider 6 and the rotating shaft 10 When sliding, it is off the slide rail it is in. If the second layer slide rail 11 is slidable relative to the slider 6, it is also necessary to provide a joint or a limit member at the rear end of the second layer slide rail 11.
  • the two first layer slide rails 5 are located on the right side of the saw blade 15, that is, the right side R, and the two second layer slide rails 11 are located on the left side of the saw blade 15, that is, the left side L,
  • the space between the first layer of slide rails 5 and the second layer of slide rails 11 accommodates the saw blade 15, the rotating shaft 10, and the motor frame 13 in which the sliding movement is performed. Since the slide rail does not interfere with the movement of the saw mechanism, as shown in FIG. 5, the saw mechanism can be retracted along the slide rail to the rear end of the swing arm 4, and the slide rail does not lean toward the rear of the swing arm. B extends, greatly shortening the working space of the miter saw and reducing the packaging volume.
  • the plane of the center line of the two first layer slide rails is at an angle a with respect to the plane of the saw blade 15, and the planes of the center lines of the two second layer slide rails 11 are opposite.
  • the plane of the saw blade 15 is at an angle b
  • the first layer A V-shaped clamping space is formed between the sliding rail 5 and the second sliding rail 11 , and a larger end of the V-shaped opening faces upward, and the motor frame 13 and the rotating shaft 10 when the saw mechanism slides are accommodated, and the V-shaped opening is relatively
  • the other end of the small end faces the lower table 2, which can accommodate the saw blade 15 when the saw mechanism slides, and the motor 12 is located above each slide rail without motion interference with the slide rail.
  • the V-shaped opening toward the table 2 is made smaller, so that the swing arm 4 drives the first layer slide rail 5 and the second layer slide rail 11 to rotate.
  • the shaft rotates it does not interfere with the movement of the grid 16, effectively avoiding the grid 16 on the base 1, and fully utilizing the space to make the miter saw structure more compact.
  • the first layer of slide rails 5 and the second layer of slide rails 11 are asymmetrically inclined with respect to the plane of the saw blade 15, and the second layer of slide rails 11 is located above the side of the first layer of slide rails 5, that is, the second layer of slide rails.
  • the angle between the 11 and the saw blade 15 is smaller than the angle between the first layer of the slide rail 5 and the saw blade 15, or the second layer of the slide rail 11 is farther away from the table 2 than the first layer of the slide rail 5, so that the saw blade 15 has two
  • the center of gravity of the sides of the structure is relatively balanced, providing a large range of cutting angles of view, keeping the miter saw stable and avoiding rollover.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Sawing (AREA)

Abstract

一种电动斜切锯，包括底座（1）、工作台（2）、锯机构、摆臂（4），在摆臂（4）上设置有沿水平方向延伸的多层滑轨（5、11），多层滑轨（5、11）相互间可通过滑块（6）相对水平滑动，最远离摆臂（4）的一层滑轨(11）上设置有转轴（10），锯机构可转动地连接在转轴（10）上。通过设置多层滑轨（5、11），每层滑轨的长度较短，降低了制造难度，节省了斜切锯的工作空间，减少了包装体积。当在锯片（15）两侧分别设置一层滑轨（5、11）时，每层滑轨（5、11）的两根滑轨端部可由连接座（8、14）连接，有利于提高两根滑轨（5、11）的平行度，具有更大的切割行程。两层滑轨（5、11）之间还形成了夹持空间，便于切割时观察。

Description

电动斜切锯
技术领域
本发明涉及一种电动斜切锯， 特别是一种滑动式电动斜切锯。
背景技术
滑动式电动斜切锯可以提供较宽的切割宽度， 已得到广泛应用。 在现有技术中， 大多数 滑动式斜切锯在工作台的尾部设置摆臂， 在摆臂上可滑动地设有至少一根滑轨， 滑轨的一端 固定有锯机构， 从而实现滑动切割， 这种方案锯机构切割时滑轨会向后延伸， 需要很大工作 空间， 并且包装体积较大， 运输成本较高。 专利 US5239906、 专利 CN200410044804. 8公开的 滑动式斜切锯， 在工作台尾部设置摆臂， 在摆臂上向工作台中心方向固定设有至少一根滑轨， 锯机构在滑轨上可滑动地进行切割， 该方案相对前面方案可有效縮短工作空间及包装体积， 但由于采用的是单层滑轨， 滑动行程很难做得太大， 并且对长滑轨的强度、 制造精度要求都 很高。 专利 EP0379322B1公开了另一种滑动式斜切锯， 在工作台内部设置有滑轨， 滑轨的一 端固定有摆臂， 锯机构安装在摆臂上， 此方案滑轨稳定性有所提高， 工作时机器后部仍需要 较大工作空间， 并且包装体积大。专利 CN02138582. 3公开的切断锯， 在摆臂下方增加导向装 置及凹槽， 充分利用了底座上的部分空间， 虽然节省了部分空间， 工作时滑轨伸出仍较长。 发明内容
本发明所要解决的技术问题是提供一种电动斜切锯， 结构紧凑， 具有更大的切割行程， 可以根据需要设置滑动行程， 并更节省工作空间， 易于制造。
为解决上述技术问题， 本发明提供一种电动斜切锯， 包括：
底座；
工作台， 可旋转地连接于所述的底座；
锯机构， 包括马达、 由马达驱动的锯片、 马达架， 所述锯机构位于工作台上方并且可沿 前后方向移动；
摆臂， 可旋转地安装于所述的工作台的后方尾部；
其特征在于： 在所述的摆臂上设置有沿水平前后方向延伸的两层或两层以上滑轨， 所述 的两层或两层以上滑轨相互间可通过滑块相对水平滑动， 其中最远离所述摆臂的一层滑轨上 设置有转轴， 所述锯机构可转动地连接在所述的转轴上。
所述滑轨包括固定或可滑动地设置在所述摆臂上的沿水平方向延伸的第一层滑轨， 相应 地在所述第一层滑轨上滑动地或固定地设置所述滑块； 还包括设置在所述滑块上的第二层滑 轨。
所述第二层滑轨与所述滑块固定连接或可相对滑动。
在所述第二层滑轨上可滑动地设置所述转轴， 或者在所述第二层滑轨的一端固定地设置 所述转轴。
所述的两层或两层以上滑轨分别包含 1根、 2根或 2根以上的滑轨。
所述两层或两层以上滑轨中， 每层滑轨中均包含 2根平行的线性滑轨， 且每层滑轨中的 2根滑轨的中心线所在平面相互平行， 每层滑轨中的 2根线性滑轨间可容纳所述锯片运动。
在所述的摆臂上且位于锯片的一侧设置沿水平前后方向延伸的第一层滑轨， 在所述的第 一层滑轨上设置有滑块， 在所述的滑块上且位于锯片的另一侧设置有第二层滑轨， 所述的第 二层滑轨与所述的第一层滑轨平行并可相对滑动， 在所述的第二层滑轨上设置有转轴， 所述 的锯机构可转动地连接在所述的转轴上， 所述的第一层滑轨与第二层滑轨之间的空间可容纳 所述的锯片运动。
在所述的摆臂上且位于锯片的一侧向前固定地设置有第一层滑轨。
在所述的摆臂上且位于锯片的一侧可滑动地设置有第一层滑轨。
在所述的第一层滑轨上可滑动地设置有滑块， 或在所述的第一层滑轨的一端固定地设置 有滑块。
在所述的滑块上且位于锯片的另一侧向前固定地设置有第二层滑轨， 在所述的第二层滑 轨上可滑动地设置有转轴， 使所述的锯机构可相对所述的第二层滑轨滑动。
在所述的滑块上且位于锯片的另一侧可滑动地设置有第二层滑轨， 在所述的第二层滑轨 上固定地或可滑动地设置有转轴， 使所述的锯机构与所述第二层滑轨一起相对所述的滑块滑 动或使所述的锯机构相对所述的第二层滑轨滑动。
所述的第一层滑轨、 第二层滑轨分别包含 1根、 2根或 2根以上的滑轨。
所述的第一层滑轨包含 2根滑轨， 2根滑轨的中心线所在平面与所述的锯片平行或与所 述的锯片成一定角度排布。
所述的第二层滑轨包含 2根滑轨， 2根滑轨的中心线所在平面与所述的锯片平行或与所 述的锯片成一定角度排布。
所述的第一层滑轨及第二层滑轨均包含 2根滑轨， 2根滑轨的端部分别固定有连接座。 所述的第一层滑轨及第二层滑轨相对所述锯片所在的平面非对称地布置。
所述的第一层滑轨及第二层滑轨均包含 2根滑轨， 2根滑轨中心线所在平面成 V型， V型 开口较大的一端朝向所述锯机构， 可容纳锯机构运动时的马达架和锯片穿梭， V 型开口较小 的另一端朝向工作台， 可容纳锯机构运动时的锯片穿梭。
在所述的摆臂、 滑块或转轴上还设置有锁紧装置。
所述的锁紧装置为锁紧螺钉， 通过锁紧螺钉的一端与滑轨表面紧贴来定位滑动行程。 所述的锁紧装置为接合销， 在所述的滑轨上间隔的预设多个孔， 通过接合销与滑轨上不 同孔的配合来定位滑动行程。
所述的两层或两层以上滑轨的长度相等或不等。
所述的两层或两层以上滑轨中的滑轨为圆柱形线性滑杆。
所述的两层或两层以上滑轨中的滑轨是带有线性凹槽或线性凸台的线性滑杆。
所述的第二层滑轨设置的位置高于第一层滑轨。
本发明所达到的有益效果：
1、本发明的电动斜切锯在锯机构与工作台之间设置有多层滑轨， 在同等切割行程时， 每 层滑轨的长度可以较短， 降低了制造难度。
2、本发明的斜切锯， 多层滑轨可以被分别锁定在不同位置， 使用者可根据工件切割宽度 来锁定滑轨设定于合适的滑动行程， 方便了操作， 提高了工作效率。
3、锯机构沿滑轨运动向摆臂回縮时， 滑轨不会向摆臂后方伸出或伸出较短， 大大节省了 斜切锯的工作空间， 减少了包装体积， 降低了运输成本。
4、本发明的电动斜切锯，当在锯片两侧分别设置一层滑轨时，可以不干涉锯片切割运动， 每层滑轨中的两根滑轨端部可由连接座连接并对动滑块限位， 利于提高两根滑轨的平行度， 使滑轨可以设置得较长， 具有更大的切割行程。
5、本发明的斜切锯， 当两层滑轨分别排布于锯片侧面时， 相对锯片所在的平面平行或倾 斜， 形成 V型的夹持空间， V型开口较大的一端可容纳锯机构滑动时的马达架、 转轴穿过， V 型开口较小的另一端可容纳锯机构滑动时的锯片穿梭， 工作时视线开阔， 便于切割观察。 附图说明 图 1为本发明实施例 1立体图；
图 2为图 1主视图；
图 3为图 2的俯视图及局部剖视图；
图 4为图 2电动斜切锯滑轨行程最小时示意图；
图 5为图 2电动斜切锯滑轨行程最大时示意图；
图 6为本发明实施例 2立体图；
图 7为本发明图 6主视图；
图 8为图 7的左视图；
图 9为图 7的右视图；
图 10为图 6电动斜切锯滑轨行程最小时示意图；
图 11为图 6电动斜切锯滑轨行程最大时示意图；
图中， 底座 1、 工作台 2、 摆臂锁紧钮 3、 摆臂 4、 第一层滑轨 5、 滑块 6、 第一层滑轨锁 紧件 7、 第一层滑轨连接座 8、 第二层滑轨锁紧件 9、 转轴 10、 第二层滑轨 11、 马达 12、 马 达架 13、 第二层滑轨连接座 14、 锯片 15、 靠栅 16、 限位件 17。
图中标记： U 上方； F 前方； B 后方； R 右方； L 左方。
具体实肺式
下面结合附图对本发明作进一步描述。 以下实施例仅用于更加清楚地说明本发明的技术 方案， 而不能以此来限制本发明的保护范围。
实施例 1
如图 1、 图 2、 图 3所示， 为本发明一实施例， 电动斜切锯底座 1上装有定位工件的靠栅 16， 工作台 2可旋转地连接于底座 1， 摆臂 4可旋转地安装于所述的工作台 2的尾部， 摆臂 4 后方有一摆臂锁紧装置即摆臂锁紧钮 3， 用于将摆臂 4相对于工作台 2锁定在特定的角度上。 摆臂 4上设置有至少一根沿水平方向延伸的第一层滑轨 5， 在第一层滑轨 5上可滑动地设置 有滑块 6， 在所述的滑块 6上还可滑动地设置有平行于所述第一层滑轨 5的至少一根第二层 滑轨 11， 第二层滑轨 11的一端固定设置有转轴 10， 锯机构枢轴连接在所述的转轴 10上。
锯机构包含马达架 13、马达 12及锯片 15， 锯机构通过马达架 13可转动地连接在最远离 摆臂 4的一层滑轨的一端。
第一层滑轨 5、 第二层滑轨 11中的 2根滑轨的中心线 （即滑轨的中心轴线）所在平面相 互平行， 每层滑轨中的 2根线性滑轨间的空间可容纳所述锯片 15运动， 滑轨前端的端部设置 有限位件 17， 防止滑块 6或转轴 10在滑动时脱离滑轨。 每层滑轨中的 2根滑轨后端的端部 设有不干涉锯片滑动的连接座， 如设在第二层滑轨上的第二层滑轨连接座 14。 较佳地， 每层 2根滑轨的中心线所在平面相互平行并与锯片 15垂直。
本发明的电动斜切锯， 当滑块 6、 转轴 10相对滑轨可运动时， 其上还设置有锁紧装置， 使滑块 6、 转轴 10与其相对滑动的滑轨间可锁紧， 保持相对静止， 不能相对滑动。 如本实施 例中， 在所述的滑块 6上设有第一层滑轨锁紧件 7及第二层滑轨锁紧件 9分别用于将滑块 6 锁紧在第一层滑轨 5及第二层滑轨 11上。如图 3剖视图所示， 通过拧紧锁紧件可以将滑轨锁 住， 使用者可根据工件切割宽度来锁定滑轨设定合适的滑动行程， 可快速精确地设定斜切锯 的滑动行程， 以适用不同切割宽度， 提高工作效率。 优选地锁紧装置采用锁紧螺钉。
本发明电动斜切锯中的各滑轨优选采用圆柱形线性滑杆、 带有凹槽或凸台的直线轨道及 类似线性轨道之一的形式。
如图 4所示， 为本发明电动斜切锯滑轨行程最小时主视图， 电动斜切锯后部不再需要较 大工作空间， 包装体积也小很多。
如图 5所示， 为本发明电动斜切锯滑轨行程最大时主视图， 电动斜切锯拥有更大滑动行 程， 而每层滑轨长度变短， 制造难度有所降低。
以上是以两层滑轨为例进行了说明， 对于本技术领域的人员来说， 还显而易见地可以依 次类推到三层及三层以上的滑轨。 当采用三层及三层以上的滑轨时， 相邻的两层滑轨之间通 过滑块 6连接， 每层滑轨相对于滑块 6均是可滑动的， 并可通过锁紧装置锁紧。转轴 10设置 在最远离摆臂 4的一层滑轨上。
类似地，当采用三层或三层以上的滑轨时，每层滑轨的端部均设有相应的滑轨限位件 17。 实施例 2
如图 6— 9所示， 为本发明的另一较佳实施例， 电动斜切锯包括底座 1、 安装于底座 1上 用于定位工件的靠栅 16、 旋转地连接于底座 1上的工作台 2、 旋转地安装于工作台 2尾部的 摆臂 4。 摆臂 4通过一摆臂锁紧钮 3固定锁紧于工作台 2上， 使摆臂 4与工作台 2相对旋转 地形成一设定的切割角度。
摆臂 4上设有两根平行的沿水平方向向前方 F延伸的第一层滑轨 5， 第一层滑轨 5上设 置一可沿其水平延伸方向滑动的滑块 6， 滑块 6上还设置有两根平行的第二层滑轨 11， 第二 层滑轨 11可随滑块 6沿第一层滑轨 5水平延伸方向滑动。 第二层滑轨 11上设置有一可沿其 水平延伸方向滑动的转轴 10， 锯机构枢轴连接在转轴 10上， 锯机构可随转轴 10沿第二层滑 轨 11水平延伸方向滑动。
优选地， 第一层滑轨 5、 第二层滑轨 11中均包含 2根线性的滑轨， 各滑轨相互平行， 每 根滑轨长度相等或不等， 其轴向方向即为斜切锯工作时切割工件的运动方向。 优选地， 第一 层滑轨 5中的 2根滑轨长度相等， 第二层滑轨 11中的 2根滑轨长度相等。
滑块 6、 转轴 10上分别设置第一层滑轨锁紧件 7、 第二层滑轨锁紧件 9， 分别将各动滑 块与滑轨相对锁紧固定。
滑块 6上设置两根第二层滑轨 1 1时， 第二层滑轨 11相对滑块 6之间可以滑动或固定连 接。 较佳的方案是， 两根第二层滑轨 11的后端固定连接于滑块 6上， 两根第二层滑轨 11的 前端向前延伸于工作台 2上方。
锯机构包括马达 12、 锯片 15及枢轴连接在转轴 10上的马达架 13， 锯片 15设置于马达 架 13上， 并可由马达 12驱动进行转动， 实现对工件的切割。
第一层滑轨 5、 第二层滑轨 11分别设置于锯片 15的两个侧面， 不干涉锯片切割运动。 两根第一层滑轨 5、 两根第二层滑轨 11的前端分别由第一层滑轨连接座 8、 第二层滑轨连接 座 14固定连接， 利于保持滑轨的稳定， 提高每层中的两根滑轨的平行度， 方便制造安装， 使 滑轨可以设置得较长， 具有更大的切割行程， 如图 10、 11所示， 在同等切割行程时， 每层滑 轨的长度可以较短， 降低制造难度； 并且第一层滑轨连接座 8、 第二层滑轨连接座 14还可分 别对滑块 6、 转轴 10的滑动进行限位， 以免滑块 6、 转轴 10滑动时脱离其所在的滑轨。 若第 二层滑轨 11相对滑块 6之间可以滑动时， 则在第二层滑轨 11的后端同理也需要设置连接座 或限位件。
如图 7所示， 两根第一层滑轨 5位于锯片 15的右侧即图示右方 R， 两根第二层滑轨 11 位于锯片 15的左侧即图示左方 L，第一层滑轨 5与第二层滑轨 11之间的空间可容纳锯片 15、 转轴 10、 马达架 13在其中穿梭滑动进行切割运动。 由于滑轨与运动的锯机构不发生运动干 涉， 因此， 如图 5所示， 锯机构可以沿滑轨运动回縮至其紧靠摆臂 4的后端， 而滑轨不会向 摆臂后方 B伸出， 大大縮短了斜切锯的工作空间， 减少了包装体积。
较佳的方案是， 如图 7所示， 两根第一层滑轨 5的中心线所在平面相对锯片 15所在的平 面成角度 a，两根第二层滑轨 11的中心线所在平面相对锯片 15所在的平面成角度 b，第一层 滑轨 5与第二层滑轨 1 1间形成 V型的夹持空间， V型开口较大的一端朝上， 可容纳锯机构滑 动时的马达架 13、 转轴 10穿过， V型开口较小的另一端朝向下方的工作台 2， 可容纳锯机构 滑动时的锯片 15穿梭， 马达 12位于各滑轨之上， 不与滑轨发生运动干涉。 并且， 第一层滑 轨 5、第二层滑轨 1 1倾斜后， 使朝向工作台 2的 V型开口较小， 使摆臂 4带动第一层滑轨 5、 第二层滑轨 11绕轴向转动时， 不与靠栅 16发生运动干涉， 有效避开底座 1上的靠栅 16， 充 分合理利用空间， 使斜切锯结构更紧凑。 优选地， 第一层滑轨 5、 第二层滑轨 11相对锯片 15 所在的平面非对称倾斜， 第二层滑轨 11位于第一层滑轨 5的侧上方， 即第二层滑轨 11与锯 片 15的夹角较第一层滑轨 5与锯片 15的夹角小，或第二层滑轨 11相对第一层滑轨 5更远离 工作台 2， 以使锯片 15两侧的各结构的重心相对平衡， 提供了较大的切割视角范围， 保持斜 切锯的稳定， 避免侧翻。
以上所述仅是本发明的优选实施方式， 应当指出， 对于本技术领域的普通技术人员来说， 在不脱离本发明技术原理的前提下， 还可以做出若干改进和变形， 这些改进和变形也应视为 本发明的保护范围。

Claims

权利要求书
1. 一种电动斜切锯， 包括：
底座；
工作台， 可旋转地连接于所述的底座；
锯机构， 包括马达、 由马达驱动的锯片、 马达架， 所述锯机构位于工作台上方并且可沿 前后方向移动；
摆臂， 可旋转地安装于所述的工作台的后方尾部；
其特征在于： 在所述的摆臂上设置有沿水平前后方向延伸的两层或两层以上滑轨， 所述 的两层或两层以上滑轨相互间可通过滑块相对水平滑动， 其中最远离所述摆臂的一层滑轨上 设置有转轴， 所述锯机构可转动地连接在所述的转轴上。
2. 根据权利要求 1所述的电动斜切锯， 其特征在于： 所述滑轨包括固定或可滑动地设置 在所述摆臂上的沿水平方向延伸的第一层滑轨， 相应地在所述第一层滑轨上滑动地或固定地 设置所述滑块； 还包括设置在所述滑块上的第二层滑轨。
3. 根据权利要求 2所述的电动斜切锯， 其特征在于： 所述第二层滑轨与所述滑块固定连 接或可相对滑动。
4. 根据权利要求 2所述的电动斜切锯， 其特征在于： 在所述第二层滑轨上可滑动地设置 所述转轴， 或者在所述第二层滑轨的一端固定地设置所述转轴。
5. 根据权利要求 1-4中任意一项所述的电动斜切锯， 其特征在于： 所述的两层或两层以 上滑轨分别包含 1根、 2根或 2根以上的滑轨。
6. 根据权利要求 5所述的电动斜切锯， 其特征在于： 所述两层或两层以上滑轨中， 每层 滑轨中均包含 2根平行的线性滑轨， 且每层滑轨中的 2根滑轨的中心线所在平面相互平行， 每层滑轨中的 2根线性滑轨间可容纳所述锯片运动。
7. 根据权利要求 1所述的电动斜切锯， 其特征在于： 在所述的摆臂上且位于锯片的一侧 设置沿水平前后方向延伸的第一层滑轨， 在所述的第一层滑轨上设置有滑块， 在所述的滑块 上且位于锯片的另一侧设置有第二层滑轨， 所述的第二层滑轨与所述的第一层滑轨平行并可 相对滑动， 在所述的第二层滑轨上设置有转轴， 所述的锯机构可转动地连接在所述的转轴上， 所述的第一层滑轨与第二层滑轨之间的空间可容纳所述的锯片运动。
8. 根据权利要求 7所述的电动斜切锯， 其特征在于： 在所述的摆臂上且位于锯片的一侧 向前固定地设置有第一层滑轨。
9. 根据权利要求 7所述的电动斜切锯， 其特征在于： 在所述的摆臂上且位于锯片的一侧 可滑动地设置有第一层滑轨。
10. 根据权利要求 9所述的电动斜切锯， 其特征在于： 在所述的第一层滑轨上可滑动地 设置有滑块， 或在所述的第一层滑轨的一端固定地设置有滑块。
11. 根据权利要求 7所述的电动斜切锯， 其特征在于： 在所述的滑块上且位于锯片的另 一侧向前固定地设置有第二层滑轨， 在所述的第二层滑轨上可滑动地设置有转轴， 使所述的 锯机构可相对所述的第二层滑轨滑动。
12. 根据权利要求 7所述的电动斜切锯， 其特征在于： 在所述的滑块上且位于锯片的另 一侧可滑动地设置有第二层滑轨， 在所述的第二层滑轨上固定地或可滑动地设置有转轴， 使 所述的锯机构与所述第二层滑轨一起相对所述的滑块滑动或使所述的锯机构相对所述的第二 层滑轨滑动。
13. 根据权利要求 7所述的电动斜切锯， 其特征在于： 所述的第一层滑轨、 第二层滑轨 分别包含 1根、 2根或 2根以上的滑轨。
14.根据权利要求 13所述的电动斜切锯，其特征在于：所述的第一层滑轨包含 2根滑轨， 2根滑轨的中心线所在平面与所述的锯片平行或与所述的锯片成一定角度排布。
15.根据权利要求 13所述的电动斜切锯，其特征在于：所述的第二层滑轨包含 2根滑轨， 2根滑轨的中心线所在平面与所述的锯片平行或与所述的锯片成一定角度排布。
16. 根据权利要求 13所述的电动斜切锯， 其特征在于： 所述的第一层滑轨及第二层滑轨 均包含 2根滑轨， 2根滑轨的端部分别固定有连接座。
17. 根据权利要求 7所述的电动斜切锯， 其特征在于： 所述的第一层滑轨及第二层滑轨 相对所述锯片所在的平面非对称地布置。
18. 根据权利要求 13所述的电动斜切锯， 其特征在于： 所述的第一层滑轨及第二层滑轨 均包含 2根滑轨， 2根滑轨中心线所在平面成 V型， V型开口较大的一端朝向所述锯机构， 可 容纳锯机构运动时的马达架和锯片穿梭， V 型开口较小的另一端朝向工作台， 可容纳锯机构 运动时的锯片穿梭。
19. 根据上述权利要求中任一项所述的电动斜切锯， 其特征在于： 在所述的摆臂、 滑块 或转轴上还设置有锁紧装置。
20. 根据权利要求 19所述的电动斜切锯， 其特征在于： 所述的锁紧装置为锁紧螺钉， 通 过锁紧螺钉的一端与滑轨表面紧贴来定位滑动行程。
21. 根据权利要求 19所述的电动斜切锯， 其特征在于： 所述的锁紧装置为接合销， 在所 述的滑轨上间隔的预设多个孔， 通过接合销与滑轨上不同孔的配合来定位滑动行程。
22. 根据权利要求 1所述的电动斜切锯， 其特征在于： 所述的两层或两层以上滑轨的长 度相等或不等。
23. 根据权利要求 1所述的电动斜切锯， 其特征在于： 所述的两层或两层以上滑轨中的 滑轨为圆柱形线性滑杆。
24. 根据权利要求 1所述的电动斜切锯， 其特征在于： 所述的两层或两层以上滑轨中的 滑轨是带有线性凹槽或线性凸台的线性滑杆。
25. 根据权利要求 17所述的电动斜切锯， 其特征在于： 所述的第二层滑轨设置的位置高 于第一层滑轨。
PCT/CN2012/081111 2012-07-04 2012-09-07 电动斜切锯 Ceased WO2014005372A1 (zh)

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CN201210317700.4A CN102794497B (zh) 2012-08-31 2012-08-31 一种电动斜切锯
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