CN205291026U - Sword tooth is difficult for cracked hand papercutter - Google Patents
Sword tooth is difficult for cracked hand papercutter Download PDFInfo
- Publication number
- CN205291026U CN205291026U CN201620050619.8U CN201620050619U CN205291026U CN 205291026 U CN205291026 U CN 205291026U CN 201620050619 U CN201620050619 U CN 201620050619U CN 205291026 U CN205291026 U CN 205291026U
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- China
- Prior art keywords
- tooth
- cutter
- blade
- hand papercutter
- utility
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- Expired - Fee Related
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- 230000007704 transition Effects 0.000 claims description 3
- 230000010485 coping Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 241001014327 Anodontia Species 0.000 description 1
- 206010002583 anodontia Diseases 0.000 description 1
- 230000005212 anodontia Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model discloses a sword tooth is difficult for cracked hand papercutter belongs to mechanical blade technical field. The utility model discloses a cutter body and cutting edge, the cutter body be long bar -type texture, one side port of this cutter body sets up the cutting edge, the sword tooth of cutting edge is convex tooth, the space width L of convex tooth is 1.71 -1.76mm, and the tooth depth of single tooth is 1.2 -1.5mm, and prong contained angle gamma is 39~42, and the contained angle beta to the side of two seconds of cutter body thickness direction is 58~62. The utility model discloses structural design is reasonable for the sword tooth, and sharpness nature is just difficult fracture well, need not frequent coping or changes the blade, has guaranteed product quality, has reduced the spending of enterprise simultaneously.
Description
Technical field
The utility model relates to a kind of blade, more particularly, relates to the not hand papercutter of easy fracture of a kind of cutter tooth.
Background technology
Paper cutting blade is one of important parts of paper cutter, is to use at automatic paper cutting machine, numerical control slitter, program-controlled paper-cutting machine etc.The paper cutting blade of all kinds of high-grade paper cutters, provides high accuracy sheet trimming, paper cutting blade can to press, packing business etc.Sharpness and service life, largely affect the operating efficiency of paper cutter. The paper cutting blade of selling on the market mainly contains lengthShape blade, cambered blade and circular shear blade etc., wherein, edge structure has again tooth and anodontia dividing. The blade of paper cutting bladeHardness is determining the durability of blade, the fineness that the structural design of blade and blade grind determine blade suffered cut resistance,Edge structure design fineness more reasonable, that grind is higher, cuts resistance less, and the service life of paper cutting blade is longer, paperCut quality also better.
At present, the problem in use mainly existing with tooth paper cutting blade has: blade toughness is low, yielding, frangibility, bladeDentalation design unreasonable, cause blade blade serious wear in the time carrying out cut paper operation, and then the product that causes cutting to obtainProduct regularity reduces, and easily produces the phenomenons such as burr, burr, cracked and waste material be related; For meeting product requirement, blade is necessaryOften reconditioning or replacing, but after reconditioning, blade can be unstable to the quality that cuts of paper, adding new cutter is again one to enterpriseLarger spending, has raised the production cost of product.
Through retrieval, Chinese patent Granted publication CN201685490U, Granted publication day is on December 29th, 2010, sends outBright creation name is called: Three-prism oblique-toothed carton slotting knife, this application case relates to a kind of Three-prism oblique-toothed carton slotting knife, this Rhizoma Sparganii helical teethThe blade of carton necking tool is cuboid, offers along its length center rectangle straight trough in the top ends of blade, at rectangle straight troughOn the cell wall of both sides, symmetry is offered all arc surfaces to straight trough slanted floor in uniform way, and this arc surface is cylindricality arc surface, respectively adjacent between twoArc surface intersection form oblique upper slitter rib, two sections of arc surfaces that each upper slitter rib is adjacent all form the approximate triangle of cross sectionThe oblique cutter tooth of Rhizoma Sparganii of shape, the cutter tooth forming point is outstanding, and cutter tooth wedge angle degree is less, and blade is sharper, meanwhile, each cutter toothTooth root also cutting edge is sharp, and being designed with to be beneficial to of this application case Rhizoma Sparganii helical teeth punctures cardboard, reaches the neat effect of otch, but threeThe processing cost of rib helical teeth is high, is applicable to carton fluting, is not easy to promote the use of.
Summary of the invention
1. the technical problem that utility model will solve
The dentalation design that the purpose of this utility model is to overcome paper cutting blade blade is as shown in Figure 1 unreasonable, causes cutterSheet is cutter tooth serious wear in the time carrying out cut paper operation, easy fracture, and the deficiency of the poor product quality that cutting obtains, provides a kind of cutterTooth is the hand papercutter of easy fracture not, paper cutting blade long service life of the present utility model, safe and reliable, practical.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
The not hand papercutter of easy fracture of a kind of cutter tooth of the present utility model, comprises cutter hub and blade, and described cutter hub is strip structure,One side ports of this cutter hub arranges blade, and the cutter tooth of blade is round-arced tooth, and the space width L of described round-arced tooth is1.71-1.76mm, the tooth depth of single tooth is 1.2-1.5mm, angle of teeth γ is 39～42 °, along two of cutter hub thickness directionThe angle β of two side faces is 58～62 °.
Further improve as the utility model, arc transition is passed through in the first side and the second side that are positioned at cutter hub the same side.
Further improve as the utility model, the space width L of described round-arced tooth is 1.75mm.
Further improve as the utility model, in described round-arced tooth, the tooth depth of single tooth is 1.2mm.
Further improve as the utility model, the angle of teeth γ of described round-arced tooth is 40 °.
Further improving as the utility model, is 60 ° along the angle β of two second sides of cutter hub thickness direction.
3. beneficial effect
The technical scheme that adopts the utility model to provide, compared with existing known technology, has following beneficial effect:
(1) the not hand papercutter of easy fracture of a kind of cutter tooth of the present utility model, the cutter tooth of blade is designed to round-arced tooth, round-arced toothSpace width L be 1.71-1.76mm, the tooth depth of single tooth is 1.2-1.5mm, angle of teeth γ is 39～42 °, thick along cutter hubThe angle β of two second sides of degree direction is 58～62 °, and knife-tooth structure is reasonable in design, the good and easy fracture not of sharpness, withoutOften reconditioning or more allowing blade replacement, ensured product quality, reduced the spending of enterprise simultaneously;
(2) the not hand papercutter of easy fracture of a kind of cutter tooth of the present utility model, simple in structure, long service life, safe and reliable, realStrong by property.
Brief description of the drawings
Fig. 1 is the structural representation of traditional hand papercutter;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the structural representation of hand papercutter of the present utility model;
Fig. 4 is the side view of Fig. 3.
Label declaration in schematic diagram:
1, cutter hub; 2, blade; 3, the first side; 4, the second side.
Detailed description of the invention
For further understanding content of the present utility model, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
Embodiment 1
Referring to Fig. 1 and Fig. 2, Fig. 1 is a paper cutting blade conventional in prior art, and the cutter tooth of this paper cutting blade is pointed tooth,Space width is generally 1.3mm, and the tooth depth of single tooth is 2mm, and angle of teeth α is generally 23 ° of left and right, and this paper cutting bladeThe first side 3 and the second side 4 are perpendicular. In actual use, the paper cutting blade of finding the design of this kind of knife-tooth structure is not veryDurable, be mainly manifested in cutter tooth easy fracture, blade must often be changed, and often more renew cutter and increased larger spending to enterprise,Raise the production cost of product.
For addressing the above problem, referring to Fig. 3 and Fig. 4, the present embodiment provides the not hand papercutter of easy fracture of a kind of cutter tooth, comprisesCutter hub 1 and blade 2, described cutter hub 1 is strip structure, the long 110mm of cutter hub 1, wide 33mm, thick 4.5mm. ShouldOne side ports of cutter hub 1 arranges blade 2, and the cutter tooth of blade 2 does not re-use pointed tooth, but changes employing round-arced tooth into, described inThe space width L of round-arced tooth is 1.75mm, and the tooth depth of single tooth is 1.2mm, and the angle of teeth γ of round-arced tooth is 40 °,Angle β along two second sides 4 of cutter hub 1 thickness direction is 60 °. In addition, the present embodiment will be positioned at cutter hub 1 the same sideThe first side 3 and the second side 4 adopt circular arc R transition. The present embodiment knife-tooth structure is reasonable in design, and sharpness is good and not easily brokenSplit, without often reconditioning or more allowing blade replacement, ensured product quality, reduced the spending of enterprise simultaneously.
Embodiment 2
The not hand papercutter of easy fracture of a kind of cutter tooth of the present embodiment, substantially with embodiment 1, its difference is: round-arced toothSpace width L be 1.71mm, the tooth depth of single tooth is 1.5mm, the angle of teeth γ of round-arced tooth is 42 °, along cutter hub 1The angle β of two second sides 4 of thickness direction is 62 °.
Embodiment 3
The not hand papercutter of easy fracture of a kind of cutter tooth of the present embodiment, substantially with embodiment 1, its difference is: round-arced toothSpace width L be 1.76mm, the tooth depth of single tooth is 1.4mm, the angle of teeth γ of round-arced tooth is 39 °, along cutter hub 1The angle β of two second sides 4 of thickness direction is 58 °.
The not hand papercutter of easy fracture of a kind of cutter tooth described in embodiment 1～3, simple in structure, long service life, safe and reliable, realStrong by property.
Below schematically the utility model and embodiment thereof are described, this description does not have restricted, shown in accompanying drawingBe also one of embodiment of the present utility model, actual structure is not limited to this. So, if this area is commonTechnical staff is enlightened by it, in the situation that not departing from the utility model creation aim, designs and this technology without creationaryThe frame mode that scheme is similar and embodiment, all should belong to protection domain of the present utility model.
Claims (6)
1. a not hand papercutter for easy fracture of cutter tooth, comprises cutter hub (1) and blade (2), it is characterized in that: described cutter hub(1) be strip structure, a side ports of this cutter hub (1) arranges blade (2), and the cutter tooth of blade (2) is round-arced tooth,The space width L of described round-arced tooth is 1.71-1.76mm, and the tooth depth of single tooth is 1.2-1.5mm, and angle of teeth γ is 39～42 °,Angle β along two second sides (4) of cutter hub (1) thickness direction is 58～62 °.
2. the not hand papercutter of easy fracture of a kind of cutter tooth according to claim 1, is characterized in that: be positioned at cutter hub (1) sameArc transition is passed through in the first side (3) and the second side (4) of one side.
3. the not hand papercutter of easy fracture of a kind of cutter tooth according to claim 1 and 2, is characterized in that: described round-arced toothSpace width L be 1.75mm.
4. the not hand papercutter of easy fracture of a kind of cutter tooth according to claim 1 and 2, is characterized in that: described round-arced toothIn the tooth depth of single tooth be 1.2mm.
5. the not hand papercutter of easy fracture of a kind of cutter tooth according to claim 1 and 2, is characterized in that: described round-arced toothAngle of teeth γ be 40 °.
6. the not hand papercutter of easy fracture of a kind of cutter tooth according to claim 5, is characterized in that: along cutter hub (1) thicknessThe angle β of two second sides (4) of direction is 60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620050619.8U CN205291026U (en) | 2016-01-19 | 2016-01-19 | Sword tooth is difficult for cracked hand papercutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620050619.8U CN205291026U (en) | 2016-01-19 | 2016-01-19 | Sword tooth is difficult for cracked hand papercutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205291026U true CN205291026U (en) | 2016-06-08 |
Family
ID=56428725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620050619.8U Expired - Fee Related CN205291026U (en) | 2016-01-19 | 2016-01-19 | Sword tooth is difficult for cracked hand papercutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205291026U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108143463A (en) * | 2018-02-09 | 2018-06-12 | 佛山市驰康医疗器材有限公司 | Bone cutter |
-
2016
- 2016-01-19 CN CN201620050619.8U patent/CN205291026U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108143463A (en) * | 2018-02-09 | 2018-06-12 | 佛山市驰康医疗器材有限公司 | Bone cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 |