WO2014079250A1 - 单切式碎纸刀具、碎纸机构及碎纸的方法 - Google Patents
单切式碎纸刀具、碎纸机构及碎纸的方法 Download PDFInfo
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- WO2014079250A1 WO2014079250A1 PCT/CN2013/082512 CN2013082512W WO2014079250A1 WO 2014079250 A1 WO2014079250 A1 WO 2014079250A1 CN 2013082512 W CN2013082512 W CN 2013082512W WO 2014079250 A1 WO2014079250 A1 WO 2014079250A1
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- Prior art keywords
- paper
- blade
- cut
- cutter
- shredding
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000010893 paper waste Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0007—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating documents
Definitions
- This invention relates to a shredder mechanism, and more particularly to a shredder tool for shredding a blade with only one side of a blade, a shredder mechanism, and a shredder mechanism for shredding paper. Background technique
- a conventional shredder mechanism 100 includes two oppositely disposed shredder cutters 11, 12, and two shredder cutters 11, 12 are engaged with each other, and the shredder cutters 11, 12 include cutter shafts 111, 121 and a certain pitch.
- the shredder blades 112, 122 are slanted or protruded from the cutter shafts 111, 121, and the shredder blades 112, 122 have knife edges on both sides thereof, and the shredder blades 112, 122 are in the gap between the shredder blades 122, 112 relatively.
- the cutter shafts 111, 121 on the two oppositely disposed shredder cutters 11, 12 are relatively rotated, and the shredder blades 112, 122 are engaged with each other to squeeze the paper, so that the edges of the shredded blades 112, 122 are used.
- the waste paper is cut into fine paper strips 13.
- the force F1 of the knife edge of the shredder blade 112 is cut downward, and the end of the shredder blade 112 is required.
- the force F2 for pushing the cut thin strip 131 toward the shredder blade 122, after the cutting is completed, also requires the force F3 from which the paper-feeding mechanism guides the thin strip 131 from between the shredder blades 122.
- the traditional shredder mechanism cuts paper, it is extremely labor-intensive, wastes energy, and is inconvenient to remove paper, which is easy to jam.
- An object of the present invention is to provide a single-cut shredder which has a knife edge on one side, which is labor-saving and easy to manufacture.
- Another object of the present invention is to provide a single-cut shredder mechanism, the single-cut shredder mechanism Cutting paper, cutting paper and labor, it is not easy to jam.
- Still another object of the present invention is to provide a single-cut shredder mechanism shredding method which uses a single-side cut paper, which is labor-saving and difficult to jam.
- the present invention provides a single-cut shredder tool including a cutter shaft and a cutter body disposed on the cutter shaft, the peripheral edge of the cutter body along the cutter shaft
- the axial direction is formed by a plurality of one-sided cutting edges, and the plurality of single-sided cutting edges have only one side and the same side with a cutting edge.
- the single-cut shredder cutter of the present invention has only one edge of the blade, and the edges of the plurality of single-edge blades are all on the same side.
- the blade Cutting the paper along the side having the edge to make the paper into a thin strip, since the cut strip is only subjected to the cutting force on one side and is brought into the shredder by the blade, the thin strip is in the single cut.
- the shredder cutter is cut into the shredder tool, it is inclined, and it is easy to export the cut thin paper strip from the shredder tool, even if the thin paper strip cut by the leaving mechanism can be automatically removed from the paper cutter.
- the paper shredder is exported, so that the paper scraps after the shredded paper of the present invention are easily discharged from the paper, and it is difficult to jam. Moreover, the paper only needs to have the side of the knife edge to cut the paper downward and the force that drives the side of the paper to move down during the whole paper shredding process, and the paper cutting labor is saved.
- the unilateral blade has a sharp cross section in the axial direction, and the knife edge is sharp when cutting the paper, and the unilateral blade is more likely to cut the paper and cut in, and the paper cutting is labor-saving.
- the one-sided cutting edge includes a cutting edge surface forming a cutting edge and a supporting surface opposite to the cutting edge surface, the supporting surface is inclined, and the cutting edge surface is at an angle with respect to an axial direction of the cutting edge ⁇ .
- ⁇ When it is equal to 90 degrees, it is easy to process, and the serrated blade can be processed at one time; when ⁇ is less than 90 degrees, the cutting force can be further saved when the paper is shredded.
- the support surface guides the fine strip after cutting.
- the angle ⁇ can also be greater than 90 degrees for easy processing.
- the supporting surface may be a straight side inclined with respect to the cutting edge surface, or may be a folded edge or a curved side inclined with respect to the cutting edge surface.
- the support surface of any one of the one-sided cutting edges is connected to the cutting edge surface of the adjacent one-sided cutting edge.
- a triangular blade gap is formed between them, so that paper scraps fall into the blade gap after cutting, and are easily exported.
- the blade body has a cylindrical shape, and the single-sided blade protrudes from the blade body, and the solution makes the paper-cutting tool easy to manufacture.
- the end of the sheet correspondingly forms a one-sided cutting edge.
- This solution eliminates the need for spacers when splicing the blades, and it is possible to fix the blades by fixing the two sides of the blades without fixing each blade to the arbor.
- the blade body can also be sleeved and fixed on the cutter shaft, and the blade body can also be integrally formed on the cutter shaft.
- the blade body includes a blade protruding from the cutter shaft at a certain interval.
- the present invention also provides a single-cut shredder tool comprising two oppositely disposed shredder cutters, the shredder cutter including a cutter shaft and a cutter shaft disposed on the cutter shaft
- the upper blade has a plurality of cutting edges along the axial direction of the cutter shaft, and the plurality of cutting edges have at least one side and the same side has a corresponding first cutting edge;
- the first knife edge on the side and the first knife edge corresponding to the other chip cutter cooperate with each other to cut the paper.
- the blade body includes a plurality of blades protruding from the cutter shaft at a certain interval.
- the cutting edge may be a single-sided cutting edge or a double-sided cutting edge.
- the shredder tool is the single-cut shredder tool
- the single-cut shredder tool includes a cutter shaft and a cutter body disposed on the cutter shaft, and a circumference of the cutter body along the cutter
- a plurality of single-edge cutting edges are formed in the axial direction of the shaft, and the plurality of single-sided cutting edges have a cutting edge on only one side and the same side, and the cutting edge is the first cutting edge.
- the unilateral blade has a sharp cross section in the axial direction, and the knife edge is sharp when cutting the paper, and the unilateral blade is more likely to cut the paper and cut in, and the paper cutting is labor-saving.
- the one-sided cutting edge includes a cutting edge surface forming a cutting edge and a supporting surface opposite to the cutting edge surface, the supporting surface is inclined, and the cutting edge surface has an angle ⁇ with respect to an axial direction of the cutting edge .
- ⁇ When it is equal to 90 degrees, it is easy to process, and the saw blade can be processed at one time. When the ⁇ is less than 90 degrees, the cutting force can be further saved when shredding.
- the support surface can guide the thin strip after cutting.
- the angle ⁇ can also be greater than 90 degrees for easy processing.
- the support surface may be a straight side inclined with respect to the cutting edge surface, or may be a folded edge or a curved side inclined with respect to the cutting edge surface.
- the support surface of either of the one-sided cutting edges is connected to the cutting edge face of the adjacent one-sided cutting edge.
- a triangular blade gap is formed between them, so that paper scraps fall into the blade gap after cutting, and are easily exported.
- the blade body has a cylindrical shape, and the one-sided blade is protruded from the blade body, and the solution makes the paper-cutting tool easy to manufacture.
- the blade body includes a blade that protrudes from the cutter shaft at a certain interval.
- the single-cut shredder mechanism further includes an adjusting member disposed on the cutter shaft and located at one side of the cutting edge to adjust between the cutting edges of the two shredder cutters relative position.
- the whole piece can adjust the position of the blade on the cutter shaft to adjust the two shredder cutters by adjusting the thickness and position of the adjustment block after adjusting the degree of the first knife edge of the two shredder cutters for a long time.
- the relative position between the blades increases the degree of fitting of the first knife edge of the two shredders; the adjusting member may also be a thimble provided at the end of the cutter shaft, which causes the two shredders to be used for a long time.
- the position of the cutter shaft can be adjusted by the ejector pin to adjust the relative position between the blades of the two shredder cutters, so that the degree of cooperation of the first knife edge of the two shredder cutters is improved.
- the present invention also provides a method for shredding a single-cut shredder mechanism, comprising the steps of: dividing a sheet of paper along its end surface into a plurality of strip-shaped cutting regions, using edge edges of two oppositely disposed shredder cutters Paper is cut on the upper and lower sides of the paper, and the blade of the paper cutter on the upper side of the paper advances the paper strip along the cutting side thereof, while the blade of the paper cutter on the lower side of the paper cuts the paper The zone is simultaneously cut only along the other side thereof and the cut pieces of paper are advanced along the cutting side thereof, A plurality of said thin strips are inclined into the shredder cutter.
- the single-cut shredder mechanism shredding method of the present invention cuts paper from one side and the same side of the paper cutting area, cutting paper and labor saving, and cutting one side of the thin paper strip after cutting
- the end face of the blade on the side of the paper is moved downwards, and the other side of the thin strip moves up under the edge of the blade edge of the lower side of the paper, so that the thin paper strip falls obliquely into the shredder mechanism, which is easy to be separated from the paper. , it is not easy to jam.
- Figure 1 is a working principle diagram of a conventional shredder mechanism.
- Figure 2 is a schematic view showing the structure of the shredder mechanism in the first embodiment of the present invention.
- Figure 3 is a side elevational view of the shredder cutter of the shredder mechanism of Figure 2.
- Figure 4 is a cross-sectional view of the shredder cutter of Figure 3.
- Fig. 5 is a view showing the operation of the shredder mechanism in the first embodiment of the present invention.
- Figure 6 is a schematic view showing the structure of the shredder mechanism in the second embodiment of the present invention.
- Figure 7 is a schematic view showing the structure of the shredder cutter in the third embodiment of the present invention.
- Figure 8 is a schematic view showing the structure of the shredder cutter in the fourth embodiment of the present invention.
- Figure 9 is a schematic view showing the structure of the shredder cutter in the fifth embodiment of the present invention.
- FIG. 10 is a working principle diagram of the shredder mechanism in the fifth embodiment of the present invention. detailed description
- the shredder mechanism 200 includes two oppositely disposed shredder blades 20, the shredder cutter 20 including a cutter shaft 21 and a set a blade body 22 on the cutter shaft 21, the blade body 22 is formed on the cutter shaft 21, and a peripheral edge of the blade body 22 is formed with a plurality of spur-like unilateral blades 221 along the axial direction of the cutter shaft.
- the single-edge cutting edge 221 is a blade having only one side and the same side having a cutting edge, that is, the paper-cutting tool 20 is a single-cut shredder tool, and the shredder mechanism 200 is a single-cut shredder mechanism. Referring to FIGS.
- the one-sided cutting edge 221 includes a cutting edge surface 111 forming a cutting edge and a supporting surface 223 opposite to the cutting edge surface 222, the supporting surface is inclined, and the cutting edge surface 222 is opposite to the
- the axial direction of the cutter shaft 21 is at an angle ⁇ and ⁇ is equal to 90 degrees.
- a plurality of the single-edge cutting edges 221 are connected in two, that is, the supporting surface 223 of any one-sided cutting edge 221 is connected to the cutting edge surface 222 of the adjacent one-sided cutting edge 221, so that the shredder cutter 20
- the circumferential edge is serrated along the axial direction thereof, and a triangular blade edge is formed between the two adjacent one-side cutting edges 221.
- a diamond-shaped gap 23 is formed between the two paper-cutting tools 20, which is convenient. The falling and export of paper scraps after shredding.
- a plurality of said one-sided cutting edges 221 may also be distributed to the blade body 22 at a certain interval.
- the cutter shaft 21 and the blade body 22 may be an integral structure or a split structure.
- the shredder cutter 20 further includes an adjusting member.
- the adjustment member is disposed on the cutter shaft 21 and located on one side of the one-side cutting edge 221 to adjust the relative position between the one-side cutting edges 221 of the two shredder cutters 20, that is, to adjust the two shredder cutters 20 The gap or the mating position between the blades 221.
- the adjusting member is an adjusting block 21 1 that is sleeved on the cutter shaft 21 and abuts against the blade 22 of the paper shredder 20, and the first knife edge of the two shredder cutters is matched for a long time.
- the position of the blade 22 on the cutter shaft 21 can be adjusted by adjusting the thickness and position of the adjusting block 211 to adjust the relative position between the single-edge cutting edges 221 of the two shredder blades 20, so that the two pieces are broken.
- the degree of cooperation of the first knife edge of the paper cutter 20 is improved, which not only makes the paper shredder mechanism of the present invention easy to maintain, but also prolongs the service life of the paper shredder mechanism.
- the adjusting member may also be a ejector pin provided at an end of the cutter shaft 21.
- the driving mechanism drives the two shredders 20 to rotate relative to each other.
- the corresponding edge faces 222 of the one-side cutting edges 221 of the two shredders 20 cooperate with the cutting paper.
- the paper 1 3 is cut along the knife edge surface 222 into a plurality of thin paper strips 1 31 , and the edge end surface of the single edge cutting edge 221 of the upper paper shredder cutter 20 cuts the cut thin paper strip 1 31 along the corresponding cutting side ( The side of the cut) is lowered into the edge of the blade of the shredder 20 below, and the end of the unilateral blade 221 of the lower shredder 20 is taken along the corresponding cutting side (the other is cut One side) is pushed up into the blade gap of the upper shredder cutter 20, at which time the thin strip 1 31 is inclined to fall into the gap 23 formed by the two shredders 20, which will fall into the gap especially under the action of gravity. In the support surface 21 3 of 23, the thin paper strip 1 31 is easily exported, which is difficult to jam.
- the shredder mechanism 200 includes two oppositely disposed shredder cutters 20,
- the angle ⁇ can also be greater than 90 degrees.
- the shredder mechanism 300 includes two oppositely disposed shredder blades 30, and the shredder cutter 30 includes a cutter shaft 31 and is disposed at the same
- the blade body on the cutter shaft 31 includes a plurality of blades 32 protruding from the cutter shaft 31 at a certain interval.
- the end of the blade 32 is formed with a single-edge cutting edge 321 , and the single-sided cutting edge 321 is spurted.
- the shape includes a knife edge surface 322 having a knife edge and a support surface 323 opposite to the knife edge surface 322, and the knife edge surface 322 is located on one side and the same side of the one-sided blade edge 321 .
- the knife edge faces 322 formed on the two shredders 30 cooperate with each other to cut the paper.
- the cutting edge surface 322 has an angle ⁇ with respect to the axial direction of the cutter shaft 31, and ⁇ is equal to 90 degrees.
- the shredder mechanism 400 includes two oppositely disposed shredder cutters 40, and the shredder cutter 40 includes a cutter shaft 41 and is disposed at the same a blade body on the cutter shaft 41, the blade body includes a plurality of blades 42 protruding from the cutter shaft 41 at a certain interval, and a tip edge 421 is formed at an end of each of the blades 42, and the single-edge blade 421 is formed.
- the knife edge faces 422 formed on the two shredders 40 cooperate with the cut paper to cut the paper 13.
- the cutting edge surface 422 is at an angle ⁇ with respect to the axial direction of the cutter shaft 41, and ⁇ is equal to 90 degrees, and the cutting edge end surface 424 is parallel with respect to the axial direction of the cutter shaft 41, thereby The cut strip of paper is advanced along its cutting side to the shredder tool 40 on the other side.
- the support surface 423 is a straight side.
- a certain cutting point of the one-side cutting edge 421 of the two shredders 40 gradually contacts, and the corresponding cutting edge surface 422 cooperates with the cutting paper, and the paper is cut along the cutting edge surface 422 into a plurality of thin paper strips, and the upper paper shredder 40
- the blade end face 424 of the one-sided blade 421 pushes the cut fine paper strip down the corresponding cutting side (the side to be cut) into the blade gap of the lower paper shredder 40, and the lower shredder tool 40
- the blade end surface 424 of the edge cutting edge 421 pushes the thin paper strip up along the corresponding cutting side (the other side to be cut) into the blade gap of the upper shredder tool 40, so that the thin paper strip falls obliquely into the two shredded paper
- the cutters 20 are interleaved into the gaps 23 formed.
- the paper shredder mechanism 500 has two oppositely disposed shredder blades 50.
- the shredder cutter 50 includes a cutter shaft 51 and is disposed on the cutter shaft 51.
- the blade body includes a plurality of blades 52 protruding from the blade shaft 51 at a certain interval, and a cutting edge 521 is formed at an end of each of the blades 52, and at least one side and the same side of the plurality of cutting edges 521 are formed.
- a first knife edge is formed.
- the blade edge 521 has a knife edge on both sides, and the blade edge on either side and the same side can be referred to as a first knife edge
- the blade 52 is made of a sheet.
- the operation principle of the shredder mechanism 500 in the present embodiment will be described.
- the corresponding first edges of the blades 521 of the two shredders 50 cooperate with each other to cut the paper, and the paper 13 is cut into a plurality of thin strips 131 along the first cutting edge, and the cutting edge of the cutting edge 521 of the upper shredder 50 will The cut thin paper strip 131 is pushed down into the blade gap of the lower paper cutter 50 along the corresponding cutting side (the side to be cut), and the edge end of the blade 521 of the lower paper cutter 50 is the fine paper.
- the strip is advanced upward into the blade gap of the upper shredder cutter 50 along the corresponding cutting side (the side opposite to the cutting side), and the thin strip 131 is obliquely dropped into the gap formed by the two shredder cutters 50. Inside, it facilitates the export of thin paper strips 131, which is difficult to jam
- the invention also discloses a method for shredding paper shredder mechanism, comprising the following steps:
- the invention also provides a method for shredding paper of a single-cut shredder mechanism, comprising the following steps: dividing the paper into strips along its end surface Cutting area, using two oppositely disposed shredder blades to cut paper along the upper and lower sides of the paper,
- the blade of the shredder tool on the upper side of the paper cuts the cutting zone along only one side and the same side thereof and uses the edge of the blade edge of the blade to advance the cut thin strips along the cutting side thereof
- a cutting edge of the shredder cutter on the lower side of the paper cuts the cutting zone along only the other side thereof and advances the cut thin strips along the cutting side thereof to make the plurality of thin strips Tilt into the shredder tool.
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Abstract
一种单切式碎纸机构碎纸的方法，包括以下步骤：将纸张（13）沿其端面分成若干条形切割区；使用两相对设置的碎纸刀具之刀刃沿纸张的上下两侧面切纸，所述纸张上侧面的碎纸刀具之刀刃将所述切割区仅沿其一侧同时切开，并使用上述刀刃之刀刃端面将切割成的若干细纸条沿其切割侧向下推进，所述纸张下侧面的碎纸刀具之刀刃将所述切割区仅沿其另一侧同时切开，并将切割成的若干细纸条沿其切割侧向上推进，以使若干所述细纸条倾斜进入碎纸刀具。使用上述方法切纸省力，且切开后细纸条倾斜地落入碎纸机构，易于离纸导出，不易卡纸。还公开了使用上述方法碎纸的单切式碎纸刀具（20，30，40，50）和单切式碎纸机构（200，300，400，500）。
Description
单切式碎纸刀具、 碎纸机构及碎纸的方法 技术领域
本发明涉及一种碎纸机构， 尤其涉及一种釆用刀刃仅一侧的刀口进行碎纸 的碎纸刀具、 碎纸机构及碎纸机构碎纸的方法。 背景技术
目前， 在曰常生活或工作中， 经常会有文件纸张需要销毁， 从而防止他人 获得文件上所记载的资料。 碎纸机主要是利用相对转动的碎纸刀具将废纸切割 成细纸条或者碎粒。 参考图 1 , 传统碎纸机构 100 包括两相对设置的碎纸刀具 11、 12, 且两碎纸刀具 11、 12相互咬合， 所述碎纸刀具 11、 12包括刀轴 111、 121和以一定间距串固或者凸设于所述刀轴 111、 121上的碎纸刀片 112、 122, 碎纸刀片 112、 122的两侧具有刀口，且碎纸刀片 112、 122于碎纸刀片 122、 112 的间隙相对。 碎纸时， 两相对设置的碎纸刀具 11、 12上的刀轴 111、 121相对转 动， 碎纸刀片 112、 122相互咬合， 挤压纸张， 从而利用碎纸刀片 112、 122两 侧的刀口将废纸切割成细纸条 13。 继续参考图 1 , 在碎纸时， 某一细纸条被碎 纸刀具 11的碎纸刀片 112切割的同时， 需要受到碎纸刀片 112两侧刀口向下切 割的力 Fl、 碎纸刀片 112末端将切割后的细纸条 131向碎纸刀片 122间隙推动 的力 F2, 切割完成后， 还需要离纸机构将细纸条 131从碎纸刀片 122间隙之间 导出的力 F3。 综上， 传统碎纸机构切纸时， 极为耗力， 浪费能源， 且离纸不便， 容易卡纸。
因此， 急需一种可解决上述问题的碎纸刀具、 碎纸机构及碎纸方法。 发明内容
本发明的目的是提供一种单切式碎纸刀具， 该单切式碎纸刀具仅一侧具有 刀口， 切纸省力， 易于制造。
本发明的另一目的是提供一种单切式碎纸机构， 该单切式碎纸机构釆用单
边切纸， 切纸省力， 不易卡纸。
本发明的再一目的是提供一种单切式碎纸机构碎纸方法， 该单切式碎纸机 构碎纸方法釆用单边切纸， 切纸省力， 不易卡纸。
为实现上述目的， 本发明提供了一种单切式碎纸刀具， 该单切式碎纸刀具 包括刀轴和设于所述刀轴上的刀身， 所述刀身的周沿沿所述刀轴的轴向形成有 若干单边刀刃， 所述若干单边刀刃仅一侧且同侧具有刀口。
与现有技术相比， 本发明所述单切式碎纸刀具其刀刃只具有一个刀口， 且 若干个单边刀刃的刀口均位于同一侧， 这种单切式碎纸刀具切割纸张时， 刀刃 沿具有刀口的一侧切开纸张以使纸张变成细纸条， 由于切割好的细纸条仅一侧 受到切割力并被刀刃带入碎纸刀具， 因此上述细纸条在所述单切式碎纸刀具的 切割下进入碎纸刀具内时， 是倾斜的， 很容易将切割成的细纸条从碎纸刀具中 离纸导出， 甚至不需要离职机构切割成的细纸条可自动从碎纸刀具中导出， 使 得本发明碎纸后的纸屑容易离纸导出， 不易卡纸。 而且纸张在整个碎纸过程中 仅需要具有刀口的一侧向下切开纸张和带动纸张该侧下移的力， 切纸省力。
较佳地， 所述单边刀刃沿轴向的截面呈尖刺状， 切纸时刀口锋利， 单边刀 刃更容易切开纸张并切入， 切纸省力。
较佳地， 所述单边刀刃包括形成刀口的刀口面和与所述刀口面相对的支撑 面， 所述支撑面是倾斜的， 且所述刀口面相对于所述刀轴的轴向呈夹角 θ 。 Θ 等于 90度时， 加工方便， 可一次完成锯齿刀刃的加工； 当 Θ小于 90度可在碎 纸时进一步节省切割力。 切割纸张时， 支撑面可对切割后的细纸条起到导向作 用。 当然， 夹角 Θ也可以大于 90度， 便于加工。 其中， 所述支撑面可以是相对 于所述刀口面倾斜的直边、 也可以是相对于刀口面倾斜的折边或弧形边。
具体地， 任一所述单边刀刃的支撑面与相邻所述单边刀刃的刀口面相连。 间形成一个三角形的刀刃间隙， 使得切纸后纸屑落入该刀刃间隙中， 易于导出。
较佳地， 所述刀身呈圓柱状， 所述单边刀刃凸设于所述刀身上， 该方案使 得所述碎纸刀具易于制造。
片末端对应形成一所述单边刀刃。 该方案使得串固刀片时， 不需要间隔圈， 而 且可以通过固定最两边的刀片来固定刀身， 而不用将每一个刀片均固定在刀轴 上。 当然所述刀身也可以是套接并固定于刀轴上， 所述刀身也可以是一体成型 于刀轴上。
较佳地， 所述刀身包括以一定间距凸设于所述刀轴上的刀片。
为了实现上述目的， 本发明还提供了一种单切式碎纸机构， 该单切式碎纸 刀具包括相对设置的两碎纸刀具， 所述碎纸刀具包括刀轴和设于所述刀轴上的 刀身， 所述刀身的周沿沿所述刀轴的轴向形成有若干刀刃， 且所述若干刀刃至 少一侧且同一侧具有对应的第一刀口； 其一所述碎纸刀具仅一侧的第一刀口与 另一碎纸刀具对应的第一刀口相互配合切纸。 只有对应一侧的刀口相互配合切纸以切割纸张， 使得本发明将纸张切割成若干 细纸条时， 细纸条的一侧在上侧面的碎纸刀具之第一刀口的带动下向下移动， 碎纸条的另一侧在下侧面的碎纸刀具之第一刀口的带动下向上移动， 使得细纸 条在两碎纸刀具的碎纸通道内倾斜的， 艮容易将切割成的细纸条从碎纸通道内 离纸导出， 甚至不需要离纸机构的配合导出， 不易卡纸。 另， 碎纸时， 纸张在 整个碎纸过程中仅需要刀刃的一侧向下切开纸张和带动纸张该侧下移的力， 切 纸省力。
较佳地， 所述刀身包括若干以一定间距凸设于所述刀轴上的刀片。 其中， 所述刀刃可以是单边刀刃， 也可以是双边刀刃。
较佳地， 所述碎纸刀具为所述单切式碎纸刀具， 该单切式碎纸刀具包括刀 轴和设于所述刀轴上的刀身， 所述刀身的周沿沿所述刀轴的轴向形成有若干单 边刀刃， 所述若干单边刀刃仅一侧且同侧具有刀口， 所述刀口即为所述第一刀 口。
具体地， 所述单边刀刃沿轴向的截面呈尖刺状， 切纸时刀口锋利， 单边刀 刃更容易切开纸张并切入， 切纸省力。
具体地， 所述单边刀刃包括形成刀口的刀口面和与所述刀口面相对的支撑 面， 所述支撑面是倾斜的， 且所述刀口面相对于所述刀轴的轴向呈夹角 θ 。 Θ 等于 90度时， 加工方便， 可一次完成锯齿刀刃的加工； 当 Θ小于 90度可在碎 纸时进一步节省切割力。 切割纸张时， 支撑面可对切割后的细纸条起到导向作 用。 当然， 夹角 Θ也可以大于 90度， 便于加工。 其中， 所述支撑面可以是相对 于所述刀口面倾斜的直边、 也可以是相对于刀口面倾斜的折边或弧形边。
更具体地， 任一所述单边刀刃的支撑面与相邻所述单边刀刃的刀口面相连。 间形成一个三角形的刀刃间隙， 使得切纸后纸屑落入该刀刃间隙中， 易于导出。
具体地， 所述刀身呈圓柱状， 所述单边刀刃凸设于所述刀身上， 该方案使 得所述碎纸刀具易于制造。
具体地， 所述刀身包括以一定间距凸设于所述刀轴上的刀片。
较佳地， 所述单切式碎纸机构还包括调整件， 所述调整件设置于所述刀轴 上并位于所述刀刃的一侧， 以调节两所述碎纸刀具之刀刃之间的相对位置。 其 整块， 在长时间使用造成两碎纸刀具之第一刀口配合程度下降后， 可通过调整 所述调整块的厚度、 位置来调节刀片在所述刀轴上的位置来调整两碎纸刀具之 刀刃之间的相对位置， 使得两碎纸刀具之第一刀口配合程度提高； 所述调整件 也可以是设于所述刀轴端部的顶针， 在长时间使用造成两碎纸刀具之第一刀口 配合程度下降后， 可通过所述顶针来调节刀轴的位置来调整两碎纸刀具之刀刃 之间的相对位置， 使得两碎纸刀具之第一刀口配合程度提高。
为了实现上述目的， 本发明还提供了一种单切式碎纸机构碎纸的方法， 包 括以下步骤： 将纸张沿其端面分成若干条形切割区， 使用两相对设置的碎纸刀 具之刀刃沿纸张的上下两侧面切纸， 所述纸张上侧面的碎纸刀具之刀刃将所述 细纸条沿其切割侧向下推进的同时， 所述纸张下侧面的碎纸刀具之刀刃将所述 切割区仅沿其另一侧同时切开并将切割成的若干细纸条沿其切割侧向上推进，
以使若干所述细纸条倾斜进入碎纸刀具。
与现有技术相比， 本发明单切式碎纸机构碎纸方法碎纸时， 从纸张切割区 的一侧且同侧切开， 切纸省力， 且切开后细纸条的一侧在纸张上侧面刀刃之刀 刃端面的带动下下移， 细纸条的另一侧在纸张下侧面刀刃之刀刃端面的带动下 上移， 使得细纸条倾斜地落入碎纸机构， 易于离纸导出， 不易卡纸。 附图说明
图 1是传统碎纸机构的工作原理图。
图 2是本发明第一实施例中所述碎纸机构的结构示意图。
图 3是图 2中所述碎纸机构之碎纸刀具的侧视图。
图 4是图 3中所述碎纸刀具的剖视图。
图 5是本发明第一实施例中所述碎纸机构的工作原理图。
图 6是本发明第二实施例中所述碎纸机构的结构示意图。
图 7是本发明第三实施例中所述碎纸刀具的结构示意图。
图 8是本发明第四实施例中所述碎纸刀具的结构示意图。
图 9是本发明第五实施例中所述碎纸刀具的结构示意图。
图 1 0是本发明第五实施例中所述碎纸机构的工作原理图。 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 2至图 4, 公开了本发明第一实施例中的碎纸机构， 该碎纸机构 200 包括两相对设置的碎纸刀具 20, 所述碎纸刀具 20包括刀轴 21和设于所述刀轴 21上的刀身 22, 所述刀身 22形成于所述刀轴 21上， 且所述刀身 22的周沿沿 所述刀轴的轴向形成有若干呈突刺状的单边刀刃 221 ,其中所述单边刀刃 221是 仅一侧且同侧具有刀口的刀刃， 即该碎纸刀具 20为单切式碎纸刀具， 该碎纸机 构 200为单切式碎纸机构。
参考图 3和图 4 ,所述单边刀刃 221包括形成刀口的刀口面 111和与所述刀 口面 222相对的支撑面 223 , 所述支撑面是倾斜的， 且所述刀口面 222相对于所 述刀轴 21的轴向呈夹角 θ , 且 Θ等于 90度。 碎纸时， 碎纸刀具 200之单边刀 刃 221的刀口面 222与另一碎纸刀具 20之单边刀刃 221的刀口面 222相互配合 并切割纸张。
继续参考图 3和图 4, 若干所述单边刀刃 221 两两相连， 即任一单边刀刃 221的支撑面 223和相邻单边刀刃 221的刀口面 222相连， 使得所述碎纸刀具 20的周沿沿其轴向呈锯齿状， 两相邻单边刀刃 221之间形成一个三角形的刀刃 间隙， 向碎纸刀具 20配合后， 在两碎纸刀具 20之间形成菱形的空隙 23 , 方便 碎纸后纸屑的落入和导出。 当然， 若干所述单边刀刃 221 也可以以一定间距分 布与所述刀身 22上。
其中， 所述刀轴 21和刀身 22 即可为一体式结构， 也可以为分体式结构。 较佳者， 当刀轴 21和刀身 22为分体式结构时， 为了防止因长时间使用造成两 相对设置的碎纸刀具 30之间的磨损或者错位， 上述碎纸刀具 20还包括调整件， 所述调整件设置于所述刀轴 21上并位于所述单边刀刃 221的一侧， 以调节两所 述碎纸刀具 20之单边刀刃 221之间的相对位置， 即调整两碎纸刀具 20之间刀 刃 221的间隙或者配合位置。 本实施例中， 所述调整件是套设于所述刀轴 21上 并抵触所述碎纸刀具 20之刀片 22的调整块 21 1 ,在长时间使用造成两碎纸刀具 之第一刀口配合程度下降后， 可通过调整所述调整块 211 的厚度、 位置来调节 刀片 22在所述刀轴 21上的位置来调整两碎纸刀具 20之单边刀刃 221之间的相 对位置， 使得两碎纸刀具 20之第一刀口配合程度提高， 不但使得本发明所述碎 纸机构易于维修， 而且有效延长了碎纸机构的使用寿命。 当然， 所述调整件也 可以是设于所述刀轴 21端部的顶针。
参考图 5 , 描述本发明所述碎纸机构 20的工作原理， 开始碎纸时驱动机构 带动两碎纸刀具 20相对转动，两碎纸刀具 20的单边刀刃 221的对应刀口面 222 配合切割纸张 1 3 , 纸张 1 3沿刀口面 222被切割呈若干细纸条 1 31 , 上方的碎纸 刀具 20的单边刀刃 221的刀刃端面将切割后的细纸条 1 31沿对应的切割侧（被
切割的一侧） 向下顶入下方的碎纸刀具 20 的刀刃间隙中， 下方的碎纸刀具 20 的单边刀刃 221的端面将该细纸条 1 31沿对应的切割侧 （被切割的另一侧） 向 上顶入上方的碎纸刀具 20的刀刃间隙中， 此时细纸条 1 31倾斜落入两碎纸刀具 20配合交错形成的空隙 23内，尤其在重力的作用下会落入空隙 23的支撑面 21 3 内， 方便细纸条 1 31的导出， 不易卡纸。
参考图 6 , 为本发明第二实施例中所述碎纸机构的结构示意图， 不同于第一 实施例的碎纸机构 200 , 该碎纸机构 200包括两相对设置的碎纸刀具 20，， 该碎 纸刀具 20，之单边刀刃 221，包括刀口面 222，和支撑面 223，， 且所述刀口面 222， 相对于所述刀轴 21 的轴向呈夹角 θ , 且 Θ小于 90度。 当然， 该夹角 Θ也可以 大于 90度。
参考图 7 , 为本发明第三实施例中所述碎纸机构的结构示意图， 该碎纸机构 300包括两相对设置的碎纸刀具 30 , 所述碎纸刀具 30包括刀轴 31和设于所述 刀轴 31上的刀身， 所述刀身包括若干以一定间距凸设于所述刀轴 31上的刀片 32, 所述刀片 32的末端形成有单边刀刃 321 , 所述单边刀刃 321呈突刺状， 其 包括具有刀口的刀口面 322和与所述刀口面 322相对的支撑面 323 ,且所述刀口 面 322位于所述单边刀刃 321的一侧且同侧。 两碎纸刀具 30配合时， 两碎纸刀 具 30其上形成的刀口面 322相互配合切纸，以切割纸张。其中，所述刀口面 322 相对于所述刀轴 31的轴向呈夹角 θ , 且 Θ等于 90度。
参考图 8 , 为本发明第四实施例中所述碎纸机构的结构示意图， 该碎纸机构 400包括两相对设置的碎纸刀具 40 , 所述碎纸刀具 40包括刀轴 41和设于所述 刀轴 41上的刀身， 所述刀身包括若干以一定间距凸设于所述刀轴 41上的刀片 42, 每一所述刀片 42的末端形成有一单边刀刃 421 , 所述单边刀刃 421包括具 有刀口的刀口面 422、 与所述刀口面 422相对的支撑面 423和连接所述刀口面 422和支撑面 423的刀刃端面 424, 且所述刀口面 422位于所述单边刀刃 421的 一侧且同侧。 两碎纸刀具 40配合时， 两碎纸刀具 40其上形成的刀口面 422相 互配合切纸切割纸张 13。 其中， 所述刀口面 422相对于所述刀轴 41的轴向呈夹 角 Θ , 且 Θ等于 90度， 所述刀刃端面 424相对于刀轴 41的轴向平行， 从而方
便将切割后的细纸条沿其切割侧向另一侧的碎纸刀具 40推进。 其中， 所述支撑 面 423为直边。 切纸时， 两碎纸刀具 40的单边刀刃 421的某切点逐渐接触， 对 应的刀口面 422配合切割纸张， 纸张沿刀口面 422被切割呈若干细纸条， 上方 的碎纸刀具 40的单边刀刃 421的刀刃端面 424将切割好的细纸条沿对应的切割 侧（被切割的一侧）向下顶入下方的碎纸刀具 40的刀刃间隙中， 下方的碎纸刀 具 40的单边刀刃 421的刀刃端面 424将该细纸条沿对应的切割侧（被切割的另 一侧）向上顶入上方的碎纸刀具 40的刀刃间隙中， 使得细纸条倾斜的落入两碎 纸刀具 20交错配合形成的空隙 23内。
参考图 9-图 10, 公开了本发明的第五实施例， 所述碎纸机构 500两相对设 置的碎纸刀具 50, 所述碎纸刀具 50包括刀轴 51和设于所述刀轴 51上的刀身， 所述刀身包括若干以一定间距凸设于所述刀轴 51 上的刀片 52, 每一所述刀片 52的末端形成有一刀刃 521 , 若干所述刀刃 521 的至少一侧且同侧形成有第一 刀口。 两碎纸刀具 50相互配合时， 任一碎纸刀具 50上的第一刀口与另一碎纸 刀具 50相对应的第一刀口相互配合切割纸张 13。 其中， 在本实施例中， 所述刀 刃 521 的两侧均具有刀口， 可将任一侧且同侧的刀口称为第一刀口， 所述刀片 52由薄片制成。
参考图 10, 描述本实施例中所述碎纸机构 500的工作原理。 切纸时， 两碎 纸刀具 50之刀刃 521的对应第一刀口相互配合切纸， 纸张 13沿第一刀口被切 割成若干细纸条 131 , 上方的碎纸刀具 50的刀刃 521的刀刃端面将切割后的细 纸条 131沿对应的切割侧（被切割的一侧）向下顶入下方的碎纸刀具 50的刀片 间隙中， 下方的碎纸刀具 50的刀刃 521的刀刃端面将该细纸条沿对应的切割侧 (与上述切割侧相对的一侧）向上顶入上方的碎纸刀具 50的刀片间隙中， 此时 细纸条 131倾斜地落入两碎纸刀具 50配合交错形成的空隙内， 方便细纸条 131 的导出， 不易卡纸
本发明还公开了一种碎纸机构碎纸的方法， 包括以下步骤： 本发明还提供 了一种单切式碎纸机构碎纸的方法， 包括以下步骤： 将纸张沿其端面分成若干 条形切割区， 使用两相对设置的碎纸刀具之刀刃沿纸张的上下两侧面切纸， 所
述纸张上侧面的碎纸刀具之刀刃将所述切割区仅沿其一侧且同侧同时切开并使 用上述刀刃之刀刃端面将切割成的若干细纸条沿其切割侧向下推进的同时， 所 述纸张下侧面的碎纸刀具之刀刃将所述切割区仅沿其另一侧同时切开并将切割 成的若干细纸条沿其切割侧向上推进， 以使若干所述细纸条倾斜进入碎纸刀具。
以上所揭露的仅为本发明的优选实施例而已， 不能以此来限定本发明之权 利范围， 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
1、 一种单切式碎纸刀具， 其特征在于： 该单切式碎纸刀具包括刀轴和设于 所述刀轴上的刀身， 所述刀身的周沿沿所述刀轴的轴向形成有若干单边刀刃， 所述若干单边刀刃仅一侧且同侧具有刀口。
2、 如权利要求 1所述的单切式碎纸刀具， 其特征在于： 所述单边刀刃沿轴 向的截面呈尖刺状。
3、 如权利要求 1所述的单切式碎纸刀具， 其特征在于： 所述单边刀刃包括 形成刀口的刀口面和与所述刀口面相对的支撑面， 所述支撑面是倾斜的。
4、 如权利要求 3所述的单切式碎纸刀具， 其特征在于： 任一所述单边刀刃 的支撑面与相邻所述单边刀刃的刀口面相连。
5、 如权利要求 1所述的单切式碎纸刀具， 其特征在于： 所述刀身包括以一 定间距凸设于所述刀轴上的刀片。
6、 一种单切式碎纸机构， 其特征在于： 包括相对设置的两碎纸刀具， 所述 碎纸刀具包括刀轴和设于所述刀轴上的刀身， 所述刀身的周沿沿所述刀轴的轴 向形成有若干刀刃， 且所述若干刀刃至少一侧且同一侧具有对应的第一刀口； 任一所述碎纸刀具仅一侧的第一刀口与另一碎纸刀具对应的第一刀口相互配合 切纸。
7、 如权利要求 6所述的单切式碎纸机构， 其特征在于： 所述刀身包括若干 以一定间距凸设于所述刀轴上的刀片。
8、 如权利要求 6所述的单切式碎纸机构， 其特征在于： 所述碎纸刀具如权 利要求 1-5 中任一项所述的单切式碎纸刀具所示， 所述第一刀口为所述单边刀 刃的刀口。
9、 如权利要求 6所述的单切式碎纸机构， 其特征在于： 还包括调整件， 所 述调整件设置于所述刀轴上并位于所述刀刃的一侧， 以调节两所述碎纸刀具之 刀刃之间的相对位置。
10、 一种单切式碎纸机构碎纸的方法， 其特征在于： 包括以下步骤： 将纸 张沿其端面分成若干条形切割区， 使用两相对设置的碎纸刀具之刀刃沿纸张的 上下两侧面切纸， 所述纸张上侧面的碎纸刀具之刀刃将所述切割区仅沿其一侧 向下推进的同时， 所述纸张下侧面的碎纸刀具之刀刃将所述切割区仅沿其另一 侧同时切开并将切割成的若干细纸条沿其切割侧向上推进， 以使若干所述细纸 条倾斜进入碎纸刀具。
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| JP6953795B2 (ja) * | 2017-05-24 | 2021-10-27 | Ａｇｃ株式会社 | ガラス合紙、ガラス板梱包体、ガラス合紙積層方法およびガラス合紙積層装置 |
| CN114273037B (zh) * | 2021-12-27 | 2023-01-13 | 北京世纪金图科技有限公司 | 一种文件粉碎机的组合刀具及其刀齿结构 |
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