CN202805247U - Single-sided double-edge paper cutter - Google Patents
Single-sided double-edge paper cutter Download PDFInfo
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- CN202805247U CN202805247U CN 201220286533 CN201220286533U CN202805247U CN 202805247 U CN202805247 U CN 202805247U CN 201220286533 CN201220286533 CN 201220286533 CN 201220286533 U CN201220286533 U CN 201220286533U CN 202805247 U CN202805247 U CN 202805247U
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Abstract
The utility model relates to a single-sided double-edge paper cutter, which is provided with two sections of nose angles. The single-sided double-edge paper cutter comprises a tabular cutter body; one end of the cutter body is provided with a wedge-shaped cutter point; the cutter point comprises an inclined plane and a vertical plane; the intersecting line of the inclined plane and the vertical plane is a cutting edge line; and the inclined plane is crossed with the lateral surface of the cutter body, which is opposite to the vertical plane, and a second edge is formed. The single-sided double-edge paper cutter is characterized in that a first edge is also formed on the inclined plane of the cutter point and between the cutting edge line and the second edge; a plane part between the first edge and the cutting edge line is a first cutter face; an included angle formed by the vertical plane and the first cutter face is a first cutter angle; an included angle formed by the plane between the first edge and the second edge and the vertical plane is a second cutter angle; and the first cutter angle is an acute angle and is greater than the second cutter angle. According to the single-sided double-edge paper cutter disclosed by the utility model, the cutter point is provided with the first cutter face; the cutting surface of processed paper has no obvious wrinkles; the processed paper is more neat and has an accurate size; the condition of adhesion of the paper is avoided; and paper cutting quality and working efficiency is improved.
Description
Technical field
The utility model relates to a kind of cutter of the paper cutter be used to cutting off stacked paper, relates in particular to a kind of flat hand papercutter.
Background technology
After normally used paper cutter was installed hand papercutter, hand papercutter began from the top to carry out cutting work under oblique.Present hand papercutter is generally single face list rib type, and behind the cut paper, point of a knife has obvious residue, the section of paper then has obvious microgroove, when affecting the cut paper quality, the paper cutting section of high-drag also can damage blade conversely, reduces the service life of hand papercutter.
Summary of the invention
The utility model has overcome the deficiencies in the prior art, provides a kind of simple in structure, and point of a knife is few residual, long service life, the paper cutting section of institute's processing object is without obvious microgroove simultaneously, and the section paper is sticking glutinous less, the hand papercutter of the two ribs of the single face that the cut paper dimensional accuracy is high, overall quality is good.
For achieving the above object, the technical solution adopted in the utility model is: the hand papercutter of the two ribs of a kind of single face, comprise the tabular cutter hub, one end slope of described cutter hub, intersect with cutter hub one side and press from both sides an acute angle, described end face and side and the two institute's wrapping portion form the point of a knife of wedge shape, and described end face is the inclined-plane of point of a knife, and described side is the vertical plane of point of a knife; Described inclined-plane intersects formation the second rib with vertical aspectant; In the described point of a knife, the intersection of inclined-plane and vertical plane is edge line, the angle of inclined-plane and vertical plane is nose angle, it is characterized in that: on the inclined-plane of described point of a knife, between edge line and the second rib, also have the first rib, planar section between described the first rib and edge line is the first knife face, the angle of described vertical plane and the first knife face is the first nose angle, and the plane between described the first rib, the second rib and the angle of described vertical plane are the second nose angle, and described the first nose angle is acute angle and greater than the second nose angle.
In preferred embodiment of the utility model, further comprise first knife face of described the first knife face for finish grinding through emery wheel.
In preferred embodiment of the utility model, comprise that further the angle of described the first nose angle is greater than 1-2 ° of the second nose angle angle.
In preferred embodiment of the utility model, comprise that further the width along self incline direction of described the first knife face is 0.5-3.0mm.
In preferred embodiment of the utility model, comprise that further described inclined-plane is the inclined-plane behind abrasion wheel grinding.
The utility model has solved the defective that exists in the background technology, the two rib hand papercutter points of a knife of single face of the present utility model are with the first knife face, the section of the paper of processing does not have obvious microgroove, more neat and size is accurate, avoid mutually sticking glutinous situation generation of paper, improved cut paper quality and operating efficiency.Described the first knife face is ground, improve the cut paper quality, can reduce resistance simultaneously, can further protect simultaneously the hand papercutter point of a knife, increase the service life.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of preferred embodiment of the present utility model;
Fig. 2 is the side enlarged diagram of preferred embodiment of the present utility model;
Fig. 3 is the vertical plane state diagram that the point of a knife of the first knife face is arranged in the contrast test;
Fig. 4 is the inclined-plane state diagram that the point of a knife of the first knife face is arranged in the contrast test;
Fig. 5 is the vertical plane state diagram of the point of a knife of nothing the first knife face in the contrast test;
Fig. 6 is the inclined-plane state of the point of a knife of nothing the first knife face in the contrast test;
Fig. 7 is the state diagram of knife edge line in the contrast test;
Fig. 8 is the section figure that is cut paper in the contrast test;
Fig. 9 is the section rugosity figure that is cut paper in the contrast test;
Figure 10 is the section configuration figure that the paper that the hand papercutter of the first knife face cuts is arranged in the contrast test;
Figure 11 is without the section configuration figure of paper in the situation of the first knife face in the contrast test;
Figure 12 is after the hand papercutter cutting of the first knife face is arranged in the contrast test, the enlarged diagram of paper cutting section;
Figure 13 be in the contrast test without in the first knife face situation, the enlarged diagram of paper cutting section;
The Test condition figure of cut paper measure of resistance in Figure 14 contrast test;
Among the figure: 1, the hand papercutter knife edge line that grinds rear the first knife face is arranged, 2, the hand papercutter knife edge line of nothing the first knife face, 3, the paper cutting section roughness curve that has the hand papercutter of the first knife face to cut out, 4, the paper cutting section roughness curve that cuts out without the hand papercutter of the first knife face, 5, point of a knife inclined-plane coating Red pigment zone, 6, be cut the paper entrance end face, 7, be cut the paper end face outlet;
22, cutter hub, 24, the side, 28, nose part, 281, the inclined-plane, 282, vertical plane, the 41, second rib, the 42, first rib, 8, edge line, the 10, first knife face, α, the second nose angle, β, the first nose angle, d, the first knife face width.
The specific embodiment
In conjunction with the accompanying drawings and embodiments the utility model is described in further detail now, these accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
Shown in Fig. 1-2, an embodiment of the present utility model: the hand papercutter of the two ribs of a kind of monocline face, its material is no matter be whole for steel alloy or just knife edge part is steel alloy, both of these case all is fine.This hand papercutter comprises a tabular cutter hub 22 with blade, described cutter hub 22 long 460mm, wide 150mm, thick 13.7mm.Along described cutter hub 22 thickness directions, an end slope of cutter hub 22, and intersect in an acute angle with cutter hub 22 1 sides.Described end face and side and the two institute's wrapping portion form the point of a knife 28 of wedge shape, and described end face is the inclined-plane 281 of point of a knife 28, and described side is the vertical plane 282 of nose part 28; With the relative side of described vertical plane 282, intersect with inclined-plane 281 and form the second rib 41 on the cutter hub 22; In the described point of a knife 28, the intersection of inclined-plane 281 and vertical plane 282 is edge line 8, is also referred to as the knife edge, and the angle of inclined-plane 281 and vertical plane 282 is nose angle.On the inclined-plane 281 of described point of a knife 28, between edge line 8 and the second rib 41, also have first rib 42 parallel with the second rib 41, the planar section that described the first rib 42 and edge line are 8 is the first knife face 10, the angle of described vertical plane 282 and the first knife face 10 is the first nose angle β, also claim the first cutting angle, the plane that described the second rib 41, the first rib are 42 and the angle of described vertical plane 282 are the second nose angle α, also claim first angle.Described the first nose angle β is acute angle and greater than 1-2 ° of the second nose angle α, described the second nose angle α angle is 22 °.Described the first knife face 10 is at the thickness direction of cutter hub 22 and the width in the formed plane of width, and namely its width d along self incline direction is 0.5-3.0mm, is preferably 0.6mm.Described hand papercutter is adding man-hour, first the inclined-plane 281 of whole point of a knife is ground, and the first knife face 10 is finish grinded again.
Before the work, described hand papercutter is installed with the parallel state of the horizontal scope of operation cardinal principle of edge line 8 and paper cutter.Subsequently paper to be processed is folded and placed hand papercutter direction of advance on the horizontal operation table top, start paper cutter, the gripping layer stacker hand papercutter that descends again successively according to cut surface entrance, cut surface central authorities and the cut surface outlet of cropped stacked paper, is finished the cut paper operation in the time of the decline hand papercutter.
With present embodiment the first knife face wide be the hand papercutter of 0.6mm and same size size, same material, 22 ° of nose angles are installed in respectively without the hand papercutter of the first knife face and carry out cutting test on the paper cutter, testing equipment and cut-out condition are as follows:
Implementor name: paper cutter,
Folder power: 25KN,
Cut-off velocity: 11m/min,
Hand papercutter decline angle: 40 °.
Above-mentioned two kinds of hand papercutters are carried out the mensuration of following parameters and performance, and test result are compared and analyzes:
1. hand papercutter performance measurement
(1) point of a knife state
Equipment: Keyemce (KEYENCE) electron microscope processed, VHX-900.
Assay method: the point of a knife of bust shot the first knife face is faced the state with the inclined-plane directly.
Measurement result: shown in Fig. 3-6, Fig. 3 represents to have the vertical plane state of the point of a knife of the first knife face, Fig. 4 represents to have the inclined-plane state of the point of a knife of the first knife face, Fig. 5 represents the vertical plane state without the point of a knife of the first knife face, Fig. 6 represents the inclined-plane state without the point of a knife of the first knife face, by Fig. 3-6 as can be known, do not have the point of a knife place of hand papercutter of the first knife face than the hand papercutter point of a knife place that the first knife face is arranged, obviously can see that obviously residue is arranged.
The state of knife edge line after (2) first knife faces grind
The analyzer of the survey surface roughness of analyzer: three rich (MITUTOYO) system, S-3000.
Measure terminal: the contact pilotage of chock shape, tip diameter are 2 μ m.
Assay method: contact pilotage is kept with the point of a knife edge contact of the first knife face after grinding, setup parameter, abscissa multiplying power 0.5, then ordinate multiplying power 100 is measured to length direction.
Measurement result: as shown in Figure 7, wherein the unit of abscissa and ordinate is mm, as shown in Figure 7, the rugosity of knife edge line 1 that the first knife face arranged between Ra0.271-0.454 μ m, do not have the rugosity of the knife edge line 2 that sword pays at Ra5.694-12.305 μ m, by contrast, do not have the knife edge line 2 of hand papercutter of the first knife face thicker, burr is larger and maximum 0.2mm arranged, and the knife edge line that is provided with the first knife face is finer and smoother.
2. the exterior quality of cut paper is measured
(1) section of cut paper upward has the situation of the first knife face as shown in Figure 8 for hand papercutter, lower situation for nothing the first knife face, and as shown in Figure 8, when the hand papercutter point of a knife had the first knife face without the first knife face, the section of cut paper had obvious striped, affected the cut paper outward appearance.
(2) cut paper section rugosity is measured
The analyzer of the survey surface roughness of analyzer: three rich (MITUTOYO) system, S-3000.
Measure terminal: the contact pilotage of needle-like, tip diameter are 2 μ m.
Assay method: the mensuration multiplying power is set: 0.5 times of abscissa, 100 times on ordinate makes contact pilotage contact with the section that is cut stacked paper, measures camber.
Measurement result: as shown in Figure 9, among the figure, the unit of abscissa and ordinate is mm, as shown in Figure 9: hand papercutter has the situation of the first knife face in the nothing situation of the first knife face, the rugosity of cut paper section is less, and namely section is more neat, attractive in appearance, and quality is better.
3. the dimensional accuracy of cut paper is measured, is compared
Measure utensil 1:Uniseiki precision square processed, L150, precision: 1 grade ± (10+L/20) μ m.
Measure utensil 2: clearance gauge.
Assay method: be close on the section that is cut stacked paper on the flat board with accurate square, measure the gap that is cut off between face and square with clearance gauge.
Measurement result: shown in Figure 10-11, Figure 10 is the section configuration that the paper that the hand papercutter of the first knife face cuts is arranged, and Figure 11 is the section configuration without paper in the situation of the first knife face.By Figure 10-11 as can be known, compress to thickness direction when paper is cut, bend to arc, described arc for 0.6mm when the first knife face is arranged, during without the first knife face described arc be 0.7mm.In addition, between the section upper end during without the first knife face and vertical datum level wider light is arranged thoroughly, illustrate that the slit is larger, this situation can cause the paper cutting section up-narrow and down-wide, rather than straight, affects the cut paper quality.To sum up, the cross section deformation of described paper was less when the first knife face was arranged, and final section dimensional accuracy can be higher.
4. the paper powder of cut paper
Measurement result: shown in Figure 12-13, Figure 12 is that the enlarged diagram of paper cutting section, Figure 13 were without in the first knife face situation, the enlarged diagram of paper cutting section after the hand papercutter cutting of the first knife face was arranged.By Figure 12-13 as can be known, about the paper powder, do not observe clear and definite difference between the section in two kinds of situations, but mutually sticking glutinous situation of many paper can appear when using the hand papercutter of nothing the first knife face, thereby need to change cutter, otherwise when the paper folding of rear workshop section, need every paper is separately processed, making troubles also increases cost.
5. cut paper resistance
Equipment: the electron microscope of Keyemce (KEYENCE) system, VHX-900.
With the whole colored red pigment in point of a knife inclined-plane, then start paper cutter stacked paper is cut, measure the height of the red area that stays on the section, be the Exposure of hand papercutter point of a knife and paper cutting face, be Test condition as shown in figure 14, the gained measurement result is as shown in table 1 below:
Table 1
| ? | Cutting paper entrance end face | Central authorities | Cutting paper end face outlet |
| The first knife face is arranged | 1.02mm | 0.57mm | 2.61mm |
| Without the first knife face | 1.26mm | 0.75mm | 3.35mm |
As shown in Table 1, when the hand papercutter cutting material of nothing the first knife face, the contact-making surface at blade place has increased the resistance of cut paper than large 20%-30%.
To sum up, the hand papercutter that is provided with the first knife face can access the repressed knife edge line of very smooth burr; Can access section does not have the cutting quality of obvious microgroove; The cut paper resistance can reduce, and then improves and cut off precision, reduces the hand papercutter breach, thereby prolongs the service life of hand papercutter.
Above foundation desirable embodiment of the present utility model is enlightenment, and by above-mentioned description, the related personnel can in the scope that does not depart from this utility model technological thought, carry out various change and modification fully.The technical scope of this utility model is not limited to the content on the specification, must determine technical scope according to the claim scope.
Claims (5)
1. the hand papercutter of the two ribs of single face comprises the tabular cutter hub, an end slope of described cutter hub, intersect with cutter hub one side and press from both sides an acute angle, described end face and side and the two institute's wrapping portion form the point of a knife of wedge shape, and described end face is the inclined-plane of point of a knife, and described side is the vertical plane of point of a knife; Vertical aspectant intersects and forms the second rib on described inclined-plane and the cutter hub; In the described point of a knife, the intersection of inclined-plane and vertical plane is edge line, the angle of inclined-plane and vertical plane is nose angle, it is characterized in that: on the inclined-plane of described point of a knife, between edge line and the second rib, also have the first rib, planar section between described the first rib and edge line is the first knife face, the angle of described vertical plane and the first knife face is the first nose angle, and the plane between described the first rib, the second rib and the angle of described vertical plane are the second nose angle, and described the first nose angle is acute angle and greater than the second nose angle.
2. the hand papercutter of the two ribs of a kind of single face according to claim 1 is characterized in that: first knife face of described the first knife face for finish grinding through emery wheel.
3. the hand papercutter of the two ribs of a kind of single face according to claim 2, it is characterized in that: the angle of described the first nose angle is greater than 1-2 ° of the second nose angle angle.
4. the hand papercutter of the two ribs of a kind of single face according to claim 3 is characterized in that: the width along self incline direction of described the first knife face is 0.5-3.0mm.
5. the hand papercutter of the two ribs of a kind of single face according to claim 4, it is characterized in that: described inclined-plane is the inclined-plane behind abrasion wheel grinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220286533 CN202805247U (en) | 2012-06-19 | 2012-06-19 | Single-sided double-edge paper cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220286533 CN202805247U (en) | 2012-06-19 | 2012-06-19 | Single-sided double-edge paper cutter |
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| Publication Number | Publication Date |
|---|---|
| CN202805247U true CN202805247U (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220286533 Expired - Fee Related CN202805247U (en) | 2012-06-19 | 2012-06-19 | Single-sided double-edge paper cutter |
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| Country | Link |
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| CN (1) | CN202805247U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109500851A (en) * | 2018-12-13 | 2019-03-22 | 佛山科学技术学院 | A kind of paper cutter |
-
2012
- 2012-06-19 CN CN 201220286533 patent/CN202805247U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109500851A (en) * | 2018-12-13 | 2019-03-22 | 佛山科学技术学院 | A kind of paper cutter |
| CN109500851B (en) * | 2018-12-13 | 2024-04-30 | 佛山科学技术学院 | Paper cutting machine |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20170619 |
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| CF01 | Termination of patent right due to non-payment of annual fee |