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WO2015021686A1 - 切割式裁纸刀 - Google Patents

切割式裁纸刀 Download PDF

Info

Publication number
WO2015021686A1
WO2015021686A1 PCT/CN2013/084243 CN2013084243W WO2015021686A1 WO 2015021686 A1 WO2015021686 A1 WO 2015021686A1 CN 2013084243 W CN2013084243 W CN 2013084243W WO 2015021686 A1 WO2015021686 A1 WO 2015021686A1
Authority
WO
WIPO (PCT)
Prior art keywords
track
cutting
paper
knife plate
blade
Prior art date
Application number
PCT/CN2013/084243
Other languages
English (en)
French (fr)
Inventor
陆学中
Original Assignee
东莞精锐电器五金有限公司
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
Application filed by 东莞精锐电器五金有限公司 filed Critical 东莞精锐电器五金有限公司
Publication of WO2015021686A1 publication Critical patent/WO2015021686A1/zh

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/45—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member the movement of which is not covered by any preceding group
    • B26D1/455—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member the movement of which is not covered by any preceding group for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
    • B26D1/085—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D2007/0012—Details, accessories or auxiliary or special operations not otherwise provided for
    • B26D2007/0087—Details, accessories or auxiliary or special operations not otherwise provided for for use on a desktop
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/10—Hand or foot actuated means

Definitions

  • the present invention relates to a paper cutter, and more particularly to a cut paper cutter. Background technique
  • the existing paper cutter generally includes: a table top, a fixing seat disposed on the edge of the table top, a movable blade plate and a static blade plate mounted on the fixing seat, wherein the stationary blade plate is fixedly mounted on the fixing seat, The rear end of the moving blade is rotatably mounted on the fixing seat.
  • An object of the present invention is to provide a cutting type paper cutter which can cut paper while cutting paper, which is labor-saving and high in safety.
  • the present invention provides a cutting type paper cutting knife comprising a table top and a paper cutting mechanism, the paper cutting mechanism comprising a fixing seat, a stationary blade plate, a movable blade plate and an operating member, wherein the fixing seat is disposed at the The stationary blade is fixedly mounted on the fixing seat, the movable blade is disposed in cooperation with the static blade, and the movable blade is provided with a first connecting end and a first a second connecting end, wherein the first connecting end and the second connecting end are respectively movably mounted on the fixing base; the operating member drives the first connecting end to move along the first track, and the second connection The end moves along the second track, the first track comprising an arc segment or a straight segment inclined with respect to the blade edge of the stationary blade, the second track being cooperatively engaged with the first track.
  • the first connecting end and the second connecting end of the movable blade of the present invention are respectively movably mounted on the fixing base, and when the paper is cut, the first connecting end moves along the first track.
  • the second company The connecting end moves along the second track, so that when the moving blade is cut relative to the stationary blade, the paper is also moved to the left and right with respect to the static blade, that is, when the paper is cut, the movable blade is used to cut the paper.
  • the cutting force is applied to the paper at the same time as the cutting of the stationary blade, so that the cutting cutter cuts the paper by cutting and cutting, and cutting paper is labor-saving.
  • the front end of the moving blade 13 does not need to be opened too much, preventing the operator from extending the hand into the movable blade and the stationary blade. Damage caused by accidents and high safety performance.
  • the first track is a curved track or a linear track inclined with respect to the stationary blade.
  • the curved track includes a circular arc track, an elliptical track, a wavy track, etc., and a parabolic track waits.
  • the first track may also be an inclined straight track.
  • the paper cutting mechanism further includes a first link, one end of the first link is rotatably connected to the fixing seat, and the other end is rotatably connected to the first connecting end.
  • the first link may be specifically a connecting rod, a turntable, a cam and the like.
  • the first track is a closed circular arc track, and the first link is driven around the fixed seat when cutting paper. Rotation, with the rotation of the first link, the first connecting end performs a circular motion, thereby driving the movable blade to reciprocate relative to the static blade, and the structure is simple and easy to operate.
  • the specific solution that the first connecting end is movably connected to the fixing seat to make the first track be a circular arc track is not limited to the above solution, for example, the first connecting end is directly slidably mounted on a circle. In the arc-shaped sliding groove, in short, it is only necessary to make the first connecting end move in a circular arc shape.
  • the fixing seat is provided with a first sliding slot corresponding to the trajectory of the first rail
  • the cutting mechanism further includes a first driving board, and the first driving board is opened.
  • a first lateral sliding groove a first sliding block is disposed on the first connecting end, and the first sliding block is inserted into the first sliding slot and slidably mounted in the first sliding slot
  • the first driving plate reciprocates in a direction perpendicular to the first lateral sliding groove to drive the first connecting end to move along the first sliding slot.
  • the first track may be S-shaped, open-curved, wavy or jagged, or even other complicated tracks.
  • the paper cutting mechanism further includes a second a second lateral sliding plate is disposed on the second driving plate, a second sliding block is protruded from the second connecting end, and the second sliding block passes through the second lateral sliding slot and slides Installed in the second chute, cut In the paper, the second driving plate reciprocates in a direction perpendicular to the second lateral sliding groove to drive the second connecting end to move along the second sliding slot.
  • the fixing seat is provided with a sliding slot corresponding to the first rail, the first connecting end is provided with a sliding block, and the sliding block is slidably mounted in the sliding slot.
  • the second track is a circular arc track.
  • the paper cutting mechanism further includes a second link, one end of the second link is rotatably connected to the fixing seat, and the other end is rotatably connected to the second connecting end.
  • the specific solution that the second connecting end is movably connected to the fixing base so that the first rail is a circular arc track is not limited to the above solution, for example, the second connecting end is directly slidably mounted on a circle. In the curved sliding groove, in short, it is only necessary to make the second connecting end move in a circular arc shape.
  • the fixing base is provided with a sliding block
  • the second connecting end is provided with a longitudinal sliding slot for sliding the sliding block.
  • the operating member is slid along the longitudinal sliding slot of the second connecting end by the linkage of the moving blade.
  • the paper cutting mechanism further includes an elastic member and a limiting member, the elastic member provides a resilient force to the operating member and the movable blade, and the limiting member limits the movement of the first connecting end .
  • the elastic element is a return spring disposed between the operating member and the fixed seat, and the operating member is snap-fitted with the first connecting end, and the limiting member is disposed on the fixing
  • the limiting block on the seat, the operating member is provided with an engaging surface that engages with the limiting block.
  • the elastic element may also be a torsion spring, a spring piece or a tension spring.
  • the elastic element may also be mounted on a pivotal joint at the front end or the rear end of the moving blade, and directly generate a restoring force on the moving blade.
  • the limiting member may also be a snap member mounted at a pivotal connection of the front end or the rear end of the movable blade.
  • the operating member is an operation button
  • the operation button includes a button body slidably mounted on the fixing base, a slope formed at an end of the button body and contacting the first connecting end, and An engaging surface on the button body, wherein the limiting block is in contact with the engaging surface when the operating button is released.
  • the cutting type paper cutter further includes a cover body, the cover body covers the fixing base, the static blade plate, the movable blade plate, and the cover plate and the static blade plate and the movable blade a paper feed port is opened at a position corresponding to the board, An operation port is opened at a position corresponding to the operating member.
  • the moving blade is in the shape of a longitudinal strip, a trapezoidal strip or the like.
  • the blade edge of the movable blade is inclined with respect to the blade of the stationary blade, that is, the blade of the movable blade intersects the blade of the stationary blade to facilitate paper cutting.
  • the electric drive unit further includes one end connected to the operating member, and the other end is connected to the moving blade, and the operating member is operated, and the operating member controls the electric driving unit to operate.
  • the electric drive unit drives the first connecting end of the moving blade to operate and the moving blade completes one cutting action.
  • Figure 1 is a perspective view of the cutting knife.
  • FIG. 2 is an exploded perspective view of the cutting cutter.
  • Figure 3 is a perspective view of the paper cutting mechanism.
  • Figure 4 is an exploded perspective view of the paper cutting mechanism of Figure 3.
  • Fig. 5a is a schematic view showing the operation button of the paper cutting mechanism of Fig. 3 in a reset state.
  • Fig. 5b is a schematic view of the operation button of the paper cutting mechanism of Fig. 3 pressed.
  • Fig. 5c is a schematic view of the cutting of the cutting knife.
  • Figure 6 is a perspective view of the paper cutting mechanism in the second embodiment.
  • Figure 7 is a plan view showing the paper cutting mechanism of Figure 6.
  • Figure 8a is an exploded perspective view of the paper cutting mechanism of Figure 6.
  • Fig. 9 is a perspective view showing the cutting type paper cutter of the third embodiment.
  • Figure 10 is an exploded perspective view of the cutting paper cutter of Figure 9.
  • Figure 11 is a perspective view of the paper cutting mechanism of Figure 9.
  • Figure 12 is a perspective view of the paper cutting mechanism in the fourth embodiment. detailed description
  • the present invention provides a cutting type paper cutter 100 comprising a table top 101 and a paper cutting mechanism 102, the paper cutting mechanism 102 including a fixed seat 12, a stationary blade 13, a movable blade 14 and an operation
  • the fixing block 12 is disposed at one side of the table top 101, and the stationary blade 13 is fixedly mounted on the fixing base 12, and the moving blade 14 is disposed in cooperation with the static blade 13
  • the moving blade 14 is provided with a first connecting end and a second connecting end, wherein the first connecting end is located at the front end of the moving blade 14 (of course, the first connecting end may also be located at the movable blade 14 Positioned, the second connecting end is located at the rear end of the moving blade 14 (of course, the second connecting end may also be located at other positions of the movable blade 14), and the first connecting end and the second connecting end are respectively movably mounted On the fixing base 12; while the operating member 15 drives the front end of the moving blade 14 to move along the first track, the rear end of the moving blade
  • the first track may also be a track of other shapes, as long as the first track is a track including an arc segment or a straight line segment inclined with respect to the blade edge of the stationary blade, the second track and the track
  • the first track is coordinated. Furthermore, since both the front and the rear ends of the movable blade 13 can be moved, the front end of the moving blade 13 does not need to be opened too much, and the operator is prevented from extending the hand into the movable blade 14 and the static blade. 13 caused accidental injury and high safety performance. Wherein, in order to make the paper cutting more labor-saving, the cutting edge of the moving blade 14 is inclined with respect to the cutting edge of the stationary blade 13, that is, the cutting edge of the movable blade 14 and the static blade 13 are cut when the paper is cut. The blades intersect.
  • the cutting knife 100 further includes a first link, one end of the first link is rotatably connected to the fixing frame 11, and the other end of the first connecting rod is The front end of the movable blade 13 is rotationally coupled such that the first track is a circular arc track.
  • the first link is a first cam 16, and the first cam 16 is rotatably mounted on the fixing base 12.
  • the front end of the moving blade 14 is mounted on the first cam 16.
  • the first link may also be in the shape of a disk or a rod.
  • the cutting knife 100 further includes a second link, one end of the second link is rotatably connected to the fixing frame 11, and the other end of the second connecting rod is State the blade 13
  • the rear end is rotationally coupled such that the first track is a circular arc track.
  • the second link 17 is a second cam 17
  • the second cam 17 is rotatably mounted on the fixing base 12 .
  • the rear end of the movable blade 14 is mounted on the second cam 17 and follows The second cam 17 rotates while rotating.
  • the second link may also be in the shape of a disk or a rod.
  • the cutting knife 100 further includes an elastic member 21 and a limiting member 22, and the elastic member 21 provides a resilient force to the operating member 15 and the movable blade 14, and the limiting member 22 The movement stroke of the front end of the movable blade 14 is restricted.
  • the elastic member 21 is a return spring disposed between the operating member 15 and the fixed seat 12, and the operating button 15 is snap-fitted with the front end of the movable blade 14.
  • the operation button 15 is provided with an L-shaped card block, and the front end of the movable blade 14 is provided with an inverted L-shaped card slot, and the card block cooperates with the card slot to make the operation button 15 and the movable knife The plates 14 are snapped together.
  • the operation button 15 is reset, the movable blade 14 is pulled, so that the movable blade 14 is reset.
  • the elastic element 21 may also be a torsion spring mounted inside the first cam 16 , and the torsion spring provides a counter-clockwise returning force to the first cam 16 , and at this time, the operating member 15 and The front end of the movable blade is not required to be snapped together.
  • the elastic member 21 can drive the front end of the movable blade 14 to be reset, and the front end of the movable blade 14 The operation button 15 is topped up so that the operation button 15 is reset accordingly.
  • the elastic member 21 may also be a compression spring that is mounted between the front end of the movable blade 14 and the fixed seat 12, or may be other elastic members.
  • the limiting member 22 is a limiting block 22 disposed on the fixing base 12, and the limiting block 22 opposes the operating member 15 to limit the movement by limiting the moving stroke of the operating member 15.
  • the limiting member may also be a latching member that is mounted on the first connecting end.
  • the limiting member may be a limiting block 22 or may be fixed on the fixing base 12 and A engaging member that cooperates with the engaging groove (or the engaging boss) on the rotation of the first cam 16 .
  • the operating member 15 is an operation button 15
  • the operation button includes a button body 151 slidably mounted on the fixing base 12 , and is formed at an end of the button body 151 and interferes with the movable blade 14 .
  • the inclined surface 152 of the front end and the engaging surface 153 disposed on the button body 151 interfere with the engaging surface 153 when the operation button 15 is released.
  • the operation The piece 15 may also be a handle or a pull rod that is mounted on the first cam 16 or the movable blade 14. Referring to FIG.
  • the cutting knife 100 further includes a cover body 11 including a lower cover 111 fixedly coupled to the table top 101 and covering the lower cover 111 and covering the cover
  • the upper cover 112 of the paper cutting mechanism 102 is provided with a paper feed opening 113 at a position corresponding to the stationary blade 13 and the movable blade 14 on the cover 11, and a position corresponding to the operation member 15 is opened.
  • the paper cutting process of the present invention is described.
  • the paper 103 is fed into the paper feed port 113.
  • the engaging surface 153 of the operation button 15 is opposite to the limit block 22.
  • the operation button 15 is in a reset state, and the operation button 15 is pressed, the operation button 15 is slid, so that the slope 152 of the operation button 15 pushes the front end of the movable blade 14 downward.
  • a cam 16 rotates clockwise, the front end of the movable blade 14 moves along the first track under the rotation of the first cam 16, and applies a rearward thrust to the rear end of the movable blade 14
  • the second cam 17 rotates clockwise, and the rear end of the movable blade 14 moves along the second track under the rotation of the second cam 17, and the above action also causes the blade of the movable blade 14 to be
  • the blade of the stationary blade 13 gradually cooperates with the slitting paper 103.
  • the front end of the movable blade 14 of the paper cutting mechanism 102 (first connection)
  • the sliding block 32 is slidably mounted in the sliding slot 32 of the fixing base 12 by a sliding block 31.
  • the fixing base 12 is provided with a sliding slot 32 corresponding to the first rail.
  • a sliding block 31 is disposed on the front end of the sliding block 31, and the sliding block 31 is slidably mounted in the sliding groove 32 to move the front end of the moving blade 14 along the sliding groove 32.
  • the rear end (second connecting end) of the moving blade 14 is slidably coupled to a sliding block 121 on the fixing base 12 via a longitudinal sliding slot 141, specifically, the fixing seat 12 of the cutting mechanism 102
  • a sliding block 121 is disposed.
  • the rear end (second connecting end) of the moving blade 14 is provided with a longitudinal sliding slot 141 for sliding the sliding block 121.
  • the sliding block 121 is slidably mounted on the longitudinal sliding slot 141.
  • the sliding slot 32 is an inclined longitudinal sliding slot, so that the first rail is inclined.
  • the sliding groove 32 may also be a curved sliding groove (including a circular arc shape, an arc shape, an S shape, a wave shape, a curved shape, etc.), so that the first track is a curved chute.
  • the operation button 15 When the paper is cut, the operation button 15 is pressed, and the operation button 15 is slid so that the inclined surface 152 of the operation button 15 pushes the front end of the movable blade 14 downward, and the front end of the movable blade 14 is slid.
  • the block 31 slides in the sliding groove 32, that is, the front end of the moving blade 14 moves along the first track, and at the same time, the rear end of the moving blade 14 receives a rearward thrust under the pulling of the movable blade.
  • the longitudinal sliding groove 141 of the rear end of the movable blade 14 is slidably engaged with the sliding block 121, and the rear end of the movable blade 14 is moved along the curved second track, and the above action also makes the movement
  • the blade edge of the blade 14 and the blade edge of the stationary blade 13 gradually cooperate to cut the paper 103.
  • the cutting paper cutter 100, the paper cutting mechanism 102 further includes an electric driving portion 41, and one end of the electric driving portion 41
  • the operating member 15 is connected to the operating member 15, and the other end is connected to the moving blade 14.
  • the operating member 15' is a power-on switch for controlling the operation of the electric driving portion
  • the electric driving portion 41 includes a driving motor 411 and a transmission gear set 412.
  • the driving motor 411 When operating, the operating member 15' is pressed, the driving motor 411 is energized and starts to work: the driving motor 411 controls the movable knife through the transmission gear set 412
  • the first cam 16 connected to the front end of the plate 14 is rotated one revolution so that the movable blade 14 is moved by one working stroke with respect to the stationary blade 13 to complete a cutting action.
  • the transmission gear set 412 includes a spur gear and a driven gear formed on the circumference of the first cam 16 and intermeshing with the spur gear.
  • the driving motor 411 of the electric drive unit 41 does not necessarily need to drive the front end of the movable blade 14 by using the transmission gear set 411, and the front end of the moving blade 14 may be controlled by other transmission mechanisms.
  • the front end of the movable blade 14 moves along the first track.
  • the structure of the electric drive unit is not limited to the driving drive motor as the power source, and the movable blade 14 can be driven by the electromagnetic valve.
  • the electromagnetic valve is disposed at the front end of the movable blade 14 .
  • a pull-down force is provided to the front end of the movable blade 14.
  • a fourth embodiment of the present invention is different from the third embodiment in the embodiment.
  • the movable blade 14 is a trapezoidal strip so that the blade of the movable blade 14 and the blade of the stationary blade 13 are always in a state of intersection when the paper is cut, and paper cutting is labor-saving.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nonmetal Cutting Devices (AREA)

Abstract

一种切割式裁纸刀（100），包括台面（101）和裁纸机构（102），所述裁纸机构包括固定座（12）、静刀板（13）、动刀板（14）和操作件（15）。所述固定座设于所述台面的一侧边处，所述静刀板固定安装于所述固定座上，所述动刀板与所述静刀板配合设置，所述动刀板上设有第一连接端和第二连接端，且所述第一连接端和第二连接端活动安装于所述固定座上。所述操作件带动第一连接端沿第一轨道移动的同时，所述第二连接端沿第二轨道移动，所述第一轨道包括弧形段或者相对于静刀板倾斜的直线段，所述第二轨道与第一轨道连动配合。裁纸刀裁纸时，动刀板相对于静刀板上下裁纸的同时，还相对于所述静刀板左右移动割开纸张，裁纸省力。

Description

切割式裁纸刀 技术领域
本发明涉及一种裁纸刀， 尤其涉及一种切割式裁纸刀。 背景技术
现有的裁纸刀一般包括： 台面、 设于所述台面边缘的固定座、 安装于所述 固定座上的动刀板和静刀板， 其中静刀板固定安装于所述固定座上， 动刀板的 后端转动安装于所述固定座上， 裁纸时， 打开动刀板并将纸张放置于台面上， 将所述动刀板的前端下压， 以使所述动刀板和静刀板配合裁纸。 然而上述裁纸 刀裁纸时， 往往会将动刀板完全打开， 使得操作人员可能因为不慎将手伸入动 刀板和静刀板之间造成误伤； 再者， 由于裁纸时， 所述动刀板相对于静刀板向 下移动以切开纸张， 裁纸费力。 故急需一种可解决上述问题的新型裁纸刀。 发明内容
本发明的目的是提供一种切割式裁纸刀， 可在切开纸张的同时割开纸张， 裁纸省力且安全性高。
为了实现上述目的， 本发明提供了一种切割式裁纸刀， 包括台面和裁纸机 构， 所述裁纸机构包括固定座、 静刀板、 动刀板和操作件， 所述固定座设于所 述台面的一侧边处， 所述静刀板固定安装于所述固定座上， 所述动刀板与所述 静刀板配合设置， 所述动刀板上设有第一连接端和第二连接端， 且所述第一连 接端和第二连接端分别活动安装于所述固定座上； 所述操作件带动所述第一连 接端沿第一轨道移动的同时， 所述第二连接端沿第二轨道移动， 所述第一轨道 包括弧形段或者相对于静刀板之刀刃倾斜的直线段， 所述第二轨道与所述第一 轨道连动配合。
与现有技术相比， 本发明所述动刀板的第一连接端和第二连接端分别活动 安装于所述固定座上， 裁纸时， 所述第一连接端沿第一轨道移动， 所述第二连 接端沿第二轨道移动， 从而使得所述动刀板相对于所述静刀板上下裁纸时， 还 相对于所述静刀板左右移动， 即裁纸时， 所述动刀板将纸张相对于静刀板切开 的同时对所述纸张施加了割开的力， 使得所述切割式裁纸机釆用切和割两个动 作裁纸， 裁纸省力。 再者， 由于动刀板 13的前后两端均可以移动， 使得所述动 刀板 13裁纸时， 其前端无需打开幅度过大， 防止操作者将手伸入动刀板和静刀 板之间造成误伤， 安全性能高。
较佳地， 所述第一轨道为曲线轨道或者相对于静刀板倾斜的直线轨道。 所 述曲线轨道包括圓弧形轨道、 椭圓形轨道、 波浪状的轨道等、 抛物线轨道等待。 不同于弧形轨道， 所述第一轨道也可以为倾斜的直线轨道。
具体地， 所述裁纸机构还包括第一连杆， 所述第一连杆的一端与所述固定 座转动连接， 另一端与所述第一连接端转动连接。 其中， 所述第一连杆可具体 为连杆、 转盘、 凸轮等等部件， 所述第一轨道为封闭式的圓弧形轨道， 裁纸时 带动所述第一连杆绕所述固定座转动， 随着所述第一连杆的转动， 所述第一连 接端做圓周运动， 从而带动所述动刀板相对于所述静刀板往复运动， 结构简单， 易于操作。 当然， 所述第一连接端活动连接于固定座上以使所述第一轨道为圓 弧形轨道的具体方案并不限制于上述方案， 例如直接将所述第一连接端滑动安 装于一圓弧形的滑动槽内， 总之只需使得所述第一连接端做圓弧形移动即可。
在另一优选方案中， 所述固定座上开设有与所述第一轨道的轨迹相对应的 第一滑槽， 所述裁纸机构还包括第一驱动板， 所述第一驱动板上开设有第一横 向滑槽， 所述第一连接端上凸设有第一滑块， 所述第一滑块穿过所述第一横向 滑槽并滑动安装于所述第一滑槽内， 裁纸时， 所述第一驱动板沿垂直于所述第 一横向滑槽的方向往复运动以带动所述第一连接端沿所述第一滑槽移动。 其中， 所述第一轨道具体可为 S状、 开放性弧形、 波浪状或者锯齿状， 甚至是其他复 杂的轨道。 具体地， 所述第二轨道与所述第一轨道的轨迹相同， 所述固定座上 开设有与所述第二轨道的轨迹相对应的第二滑槽， 所述裁纸机构还包括第二驱 动板， 所述第二驱动板上开设有第二横向滑槽， 所述第二连接端上凸设有第二 滑块， 所述第二滑块穿过所述第二横向滑槽并滑动安装于所述第二滑槽内， 裁 纸时， 所述第二驱动板沿垂直于所述第二横向滑槽的方向往复运动以带动所述 第二连接端沿所述第二滑槽移动。
较佳地， 所述固定座上开设有与所述第一轨道相对应的滑动槽， 所述第一 连接端上设有一滑动块， 且所述滑动块滑动安装于所述滑动槽内。
较佳地， 所述第二轨道为圓弧形轨道。
具体地， 所述裁纸机构还包括第二连杆， 所述第二连杆的一端与所述固定 座转动连接， 另一端与所述第二连接端转动连接。 当然， 所述第二连接端活动 连接于固定座上以使所述第一轨道为圓弧形轨道的具体方案并不限制于上述方 案， 例如直接将所述第二连接端滑动安装于一圓弧形的滑动槽内， 总之只需使 得所述第二连接端做圓弧形移动即可。
较佳地， 所述固定座上设有滑动块， 所述第二连接端开设有供所述滑动块 滑动的纵向滑槽。 工作时所述操作件通过动刀板的连动使得所述滑动块沿所述 第二连接端之纵向滑槽滑动。
较佳地， 所述裁纸机构还包括弹性元件和限位件， 所述弹性元件对所述操 作件和动刀板提供复位的弹力， 所述限位件限制所述第一连接端的移动行程。
具体地， 所述弹性元件为设于所述操作件和固定座之间的复位弹簧， 且所 述操作件与所述第一连接端卡扣配合， 所述限位件为设于所述固定座上的限位 块， 所述操作件上设有与所述限位块相卡合的卡合面。 当然， 所述弹性元件还 可以是扭转弹簧、 弹簧片或者拉伸弹簧， 所述弹性元件还可以安装于所述动刀 板前端或后端的枢接处， 直接对所述动刀板产生复位力， 所述限位件还可以是 安装于所述动刀板前端或后端的枢接处的卡合件。
更具体地， 所述操作件为操作按钮， 所述操作按钮包括滑动安装于所述固 定座上的按钮本体、 形成于所述按钮本体末端并抵触所述第一连接端的斜面， 以及设于所述按钮本体上的卡合面， 释放所述操作按钮时所述限位块与所述卡 合面相 ·ί氐触。
较佳地， 所述切割式裁纸刀还包括盖体， 所述盖体包覆所述固定座、 静刀 板、 动刀板， 且所述盖体上与所述静刀板和动刀板对应的位置上开设有进纸口、 与所述操作件对应的位置上开设有操作口。
其中， 所述动刀板为纵向长条、 梯形长条等形状。 初始状态在， 所述动刀 板的刀刃相对于所述静刀板的刀刃倾斜， 即所述动刀板的刀刃与所述静刀板的 刀刃相交， 便于裁纸。
较佳地， 还包括电力驱动部， 所述电力驱动部一端与所述操作件相连， 另 一端与所述动刀板相连， 动作所述操作件， 所述操作件控制所述电力驱动部动 作， 所述电力驱动部带动所述动刀板之第一连接端动作并使所述动刀板完成一 次裁纸动作。 附图说明
图 1是所述切割式裁纸刀的立体示意图。
图 2是所述切割式裁纸刀的分解示意图。
图 3是所述裁纸机构的立体示意图。
图 4是图 3中所述裁纸机构的分解示意图。
图 5a是图 3中所述裁纸机构之操作按钮按处于复位状态的示意图。
图 5b是图 3中所述裁纸机构之操作按钮按下后的示意图。
图 5c是所述切割式裁纸刀的裁纸示意图。
图 6是第二实施例中所述裁纸机构的立体示意图。
图 7是图 6中所述裁纸机构的平面示意图。
图 8a是图 6中所述裁纸机构的分解示意图。
图 9是第三实施例中所述切割式裁纸刀的立体示意图。
图 10是图 9中所述切割式裁纸刀的立体分解图。
图 11是图 9中所述裁纸机构的立体示意图。
图 12是第四实施例中所述裁纸机构的立体示意图。 具体实施方式
为详细说明本发明的技术内容、 构造特征、 所实现目的及效果， 以下结合 实施方式并配合附图详予说明。
参考图 1至图 3 , 本发明提供了一种切割式裁纸刀 100, 包括台面 101和裁 纸机构 102, 所述裁纸机构 102包括固定座 12、 静刀板 13、 动刀板 14和操作件 15 , 固定座 12设于所述台面 101的一侧边处， 所述静刀板 13 固定安装于所述 固定座 12上， 所述动刀板 14与所述静刀板 13配合设置， 且所述动刀板 14上 设有第一连接端和第二连接端，其中，所述第一连接端位于动刀板 14的前端（当 然第一连接端也可以位于动刀板 14 的其他位置）， 所述第二连接端位于动刀板 14的后端 （当然第二连接端也可以位于动刀板 14的其他位置）， 且所述第一连 接端和第二连接端分别活动安装于所述固定座 12上； 所述操作件 15带动所述 动刀板 14的前端沿第一轨道移动的同时， 所述动刀板 14的后端沿第二轨道移 动， 所述第一轨道为圓弧形轨道， 所述第二轨道为圓弧形轨道， 以使所述动刀 板 13相对于静刀板 12向下裁纸的同时左右割纸， 裁纸省力。 当然， 所述第一 轨道也可以为其他形状的轨道， 只要所述第一轨道为包括弧形段或者包括相对 于静刀板之刀刃倾斜的直线段的轨道即可， 所述第二轨道与所述第一轨道连动 配合。 再者， 由于动刀板 13的前后两端均可以移动， 使得所述动刀板 13裁纸 时， 其前端无需打开幅度过大， 防止操作者将手伸入动刀板 14和静刀板 13之 间造成误伤， 安全性能高。 其中， 为了裁纸更加省力， 所述动刀板 14的刀刃相 对于所述静刀板 13的刀刃倾斜设置， 即裁纸时， 所述动刀板 14的刀刃与所述 静刀板 13的刀刃相交。
参考图 2, 具体地， 所述切割式裁纸刀 100还包括第一连杆， 所述第一连杆 的一端与所述固定架 11转动连接， 所述第一连杆的另一端与所述动刀板 13的 前端转动连接， 以使所述第一轨道为圓弧形轨道。 具体地， 所述第一连杆为第 一凸轮 16, 所述第一凸轮 16转动安装于所述固定座 12上， 所述动刀板 14的前 端安装于所述第一凸轮 16上。 当然， 所述动刀板 14的前端枢接于固定座上的 具体方案并不限制于上述方案， 所述第一连杆也可以呈圓盘状或者杆状。
参考图 2, 具体地， 所述切割式裁纸刀 100还包括第二连杆， 所述第二连杆 的一端与所述固定架 11转动连接， 所述第二连杆的另一端与所述动刀板 13的 后端转动连接， 以使所述第一轨道为圓弧形轨道。 其中， 所述第二连杆为第二 凸轮 17, 所述第二凸轮 17转动安装于所述固定座 12上， 所述动刀板 14的后端 安装于所述第二凸轮 17上并随所述第二凸轮 17的转动而转动。 当然， 所述第 二连杆也可以呈圓盘状或者杆状。
较佳地， 所述切割式裁纸刀 100还包括弹性元件 21和限位件 22, 所述弹性 元件 21对所述操作件 15和动刀板 14提供复位的弹力， 所述限位件 22限制所 述动刀板 14前端的移动行程。
较佳地， 所述弹性元件 21为设于所述操作件 15和固定座 12之间的复位弹 簧， 且所述操作按钮 15与所述动刀板 14的前端卡扣配合。 具体地， 所述操作 按钮 15上设有 L状的卡块， 所述动刀板 14的前端设有倒 L状卡槽， 所述卡块 与卡槽配合使得所述操作按钮 15与动刀板 14卡扣在一起。 所述操作按钮 15复 位时拉动所述动刀板 14, 使得所述动刀板 14 随之复位。 当然， 所述弹性元件 21还可以为安装于所述第一凸轮 16内部的扭转弹簧，该扭转弹簧对所述第一凸 轮 16提供逆时针旋转的复位力， 此时， 所述操作件 15与所述动刀板的前端之 间无需卡扣在一起， 裁纸后松开操作按钮 15时， 所述弹性元件 21可带动所述 动刀板 14的前端复位， 所述动刀板 14的前端向上顶所述操作按钮 15 , 使得所 述操作按钮 15随之复位。 当然， 所述弹性元件 21 还可以为抵触安装于所述动 刀板 14的前端和固定座 12之间的压缩弹簧， 也可以为其他的弹性元件。
所述限位件 22为设于所述固定座 12上的限位块 22,所述限位块 22抵触所 述操作件 15 , 从而通过限制所述操作件 15的移动行程来限制所述动刀板 14前 端的移动行程。 其中所述限位件还可以是安装于所述第一连接端处的卡合件， 例如， 所述限位件可以为限位块 22, 也可以为固设于所述固定座 12上并与所述 第一凸轮 16之转动处上的卡合凹槽（或者卡合凸台）相互配合的卡合件。
继续参考图 4, 所述操作件 15为操作按钮 15 , 所述操作按钮包括滑动安装 于所述固定座 12上的按钮本体 151、 形成于所述按钮本体 151末端并抵触所述 动刀板 14前端的斜面 152, 以及设于所述按钮本体 151上的卡合面 153 , 释放 所述操作按钮 15时所述限位块 22与所述卡合面 153相抵触。 当然， 所述操作 件 15还可以是安装于所述第一凸轮 16或动刀板 14上的把手、 拉杆。 参考图 2, 所述切割式裁纸刀 100还包括盖体 11 , 所述盖体 11包括与所述 台面 101固定连接的下盖 111和盖于所述下盖 111上并与包覆所述裁纸机构 102 的上盖 112, 且所述盖体 11上与所述静刀板 13和动刀板 14对应的位置上开设 有进纸口 113、 与所述操作件 15对应的位置上开设有操作口 114以使所述操作 件 15显露于外。
参考图 5a至图 5c, 描述本发明的裁纸过程， 裁纸前， 将纸张 103送入进纸 口 113 , 此时， 所述操作按钮 15的卡合面 153与所述限位块 22相抵触， 所述操 作按钮 15处于复位状态， 按下操作按钮 15 , 所述操作按钮 15下滑， 以使所述 操作按钮 15的斜面 152将所述动刀板 14的前端向下推动， 所述第一凸轮 16随 之顺时针转动， 所述动刀板 14的前端在所述第一凸轮 16的转动下沿第一轨道 移动， 并对所述动刀板 14的后端施加向后的推力， 所述第二凸轮 17随之顺时 针转动， 所述动刀板 14的后端在第二凸轮 17的转动下沿第二轨道移动， 上述 动作也使得所述动刀板 14 的刀刃与所述静刀板 13 的刀刃逐渐配合切开纸张 103 , 当松开所述操作按钮 15时， 所述弹性元件 21向上推动所述操作按钮 15 , 以使所述操作按钮 15复位， 所述操作按钮 15拉动动刀板 14的前端， 使得所述 动刀板 14随之复位。
参考图 6至图 8, 为本发明的第二实施例， 与第一实施例不同的是， 在该实 施例中， 所述裁纸机构 102之所述动刀板 14的前端（第一连接端 )通过一滑动 块 31滑动安装于所述固定座 12的滑动槽 32内， 具体地， 所述固定座 12上开 设有与所述第一轨道相对应的滑动槽 32, 所述动刀板 14 的前端上设有滑动块 31 , 且所述滑动块 31滑动安装于所述滑动槽 32内， 以使所述动刀板 14的前端 沿滑动槽 32移动。 所述动刀板 14的后端 （第二连接端）通过一纵向滑槽 141 与固定座 12上的一滑动块 121滑动连接， 具体地， 所述裁纸机构 102之所述固 定座 12上设有滑动块 121 , 所述动刀板 14的后端 (第二连接端 )开设有供所述 滑动块 121滑动的纵向滑槽 141 , 所述滑动块 121滑动安装于所述纵向滑槽 141 内。 本实施例中， 所述滑动槽 32为倾斜的纵向滑槽， 以使所述第一轨道为倾斜 的直线轨道， 当然， 所述滑动槽 32也可以为曲线滑槽（包括圓弧形、 弧形、 S 形、 波浪状、 弯折状等）， 以使所述第一轨道为曲线滑槽。
裁纸时， 按下操作按钮 15 , 所述操作按钮 15下滑， 以使所述操作按钮 15 的斜面 152将所述动刀板 14的前端向下推动， 所述动刀板 14的前端通过滑动 块 31在所述滑动槽 32内滑动，即动刀板 14的前端沿第一轨道移动，与此同时， 在动刀板的拉动下所述动刀板 14的后端受到一向后的推力， 所述动刀板 14的 后端的纵向滑槽 141随之与所述滑动块 121配合滑动， 所述动刀板 14的后端即 沿弧形的第二轨道移动，上述动作也使得所述动刀板 14的刀刃与所述静刀板 13 的刀刃逐渐配合切开纸张 103 , 当松开所述操作按钮 15时， 所述弹性元件 21向 上推动所述操作按钮 15 , 以使所述操作按钮 15复位， 所述操作按钮 15拉动动 刀板 14的前端， 使得所述动刀板 14随之复位。
参考图 9至图 11 , 为本发明第三实施例， 在该实施例中， 所述切割式裁纸 刀 100，之裁纸机构 102，还包括电力驱动部 41 ,所述电力驱动部 41一端与所述操 作件 15，相连， 另一端与所述动刀板 14相连， 其中， 本实施例中， 所述操作件 15'为控制所述电力驱动部动作的通电开关， 所述电力驱动部 41 包括驱动电机 411和传动齿轮组 412, 工作时， 按下所述操作件 15' , 所述驱动电机 411通电 并开始工作： 所述驱动电机 411通过所述传动齿轮组 412控制所述动刀板 14的 前端连接的第一凸轮 16，转动一周， 以使所述动刀板 14相对于静刀板 13动作一 个工作行程， 完成一个裁纸动作。 其中， 所述传动齿轮组 412 包括直齿轮和成 型于所述第一凸轮 16周沿并与所述直齿轮相互啮合的从动齿轮。
当然， 所述电力驱动部 41之驱动电机 411并不一定要使用传动齿轮组 411 带动所述动刀板 14 的前端动作， 也可以通过其他传动机构控制所述动刀板 14 的前端， 以使所述动刀板 14的前端沿第一轨道移动。 当然， 所述电力驱动部的 结构并不限定在釆用驱动电机作为动力源上， 也可通过电磁阀带动所述动刀板 14动作， 例如将电磁阀设置在所述动刀板 14的前端处并对所述动刀板 14的前 端提供下拉力。
参考图 12, 为本发明的第四实施例， 与第三实施例不同的是， 在该实施例 中， 所述动刀板 14为梯形长条， 以使所述动刀板 14的刀刃与所述静刀板 13的 刀刃在裁纸时一直处于相交状态， 裁纸省力。
以上所揭露的仅为本发明的优选实施例而已， 当然不能以此来限定本发明 之权利范围， 因此依本发明申请专利范围所作的等同变化， 仍属本发明所涵盖 的范围。

Claims

权 利 要 求
1、 一种切割式裁纸刀， 包括台面和裁纸机构， 其特征在于， 所述裁纸机构 包括固定座、 静刀板、 动刀板和操作件， 所述固定座设于所述台面的一侧边处， 所述静刀板固定安装于所述固定座上， 所述动刀板与所述静刀板配合设置， 所 述动刀板上设有第一连接端和第二连接端， 且所述第一连接端和第二连接端分 别活动安装于所述固定座上； 所述操作件带动所述第一连接端沿第一轨道移动 的同时， 所述第二连接端沿第二轨道移动， 所述第一轨道包括弧形段或者相对 于静刀板之刀刃倾斜的直线段， 所述第二轨道与所述第一轨道连动配合。
2、 如权利要求 1所述的切割式裁纸刀， 其特征在于， 所述第一轨道为曲线 轨道或者相对于静刀板倾斜的直线轨道。
3、 如权利要求 1所述的切割式裁纸刀， 其特征在于， 还包括第一连杆， 所 述第一连杆的一端与所述固定座转动连接， 另一端与所述第一连接端转动连接。
4、 如权利要求 1所述的切割式裁纸刀， 其特征在于， 所述固定座上开设有 与所述第一轨道相对应的滑动槽， 所述第一连接端上设有一滑动块， 且所述滑 动块滑动安装于所述滑动槽内。
5、 如权利要求 1所述的切割式裁纸刀， 其特征在于， 所述第二轨道为圓弧 形轨道。
6、 如权利要求 1所述的切割式裁纸刀， 其特征在于， 还包括第二连杆， 所 述第二连杆的一端与所述固定座转动连接， 另一端与所述第二连接端转动连接。
7、 如权利要求 1所述的切割式裁纸刀， 其特征在于， 所述固定座上设有滑 动块， 所述第二连接端上开设有供所述滑动块滑动的纵向滑槽。
8、 如权利要求 1所述的切割式裁纸刀， 其特征在于， 所述裁纸机构还包括 弹性元件和限位件， 所述弹性元件对所述操作件和动刀板提供复位的弹力， 所 述限位件限制所述第一连接端的移动行程。
9、 如权利要求 8所述的切割式裁纸刀， 其特征在于， 所述弹性元件为设于 所述操作件和固定座之间的复位弹簧， 且所述第一连接端与所述操作件卡扣配 合， 所述限位件为设于所述固定座上的限位块， 所述操作件上设有与所述限位 块相卡合的卡合面。
10、 如权利要求 9 所述的切割式裁纸刀， 其特征在于， 所述操作件为操作 按钮， 所述操作按钮包括滑动安装于所述固定座上的按钮本体、 形成于所述按 钮本体末端并抵触所述第一连接端的斜面， 以及设于所述按钮本体上的所述卡 合面， 释放所述操作按钮时所述限位块与所述卡合面相抵触。
11、 如权利要求 1所述的切割式裁纸刀， 其特征在于， 还包括盖体， 所述盖 体包覆所述固定座、 静刀板、 动刀板， 且所述盖体上与所述静刀板和动刀板对 应的位置上开设有进纸口、 与所述操作件对应的位置上开设有操作口。
12、 如权利要求 1所述的切割式裁纸刀， 其特征在于， 还包括电力驱动部， 所述电力驱动部一端与所述操作件相连， 另一端与所述动刀板相连， 动作所述 操作件， 所述操作件控制所述电力驱动部动作， 所述电力驱动部带动所述动刀 板之第一连接端动作并使所述动刀板完成一次裁纸动作。
PCT/CN2013/084243 2013-08-15 2013-09-26 切割式裁纸刀 WO2015021686A1 (zh)

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