CN103190301B - Gardening cutting tool - Google Patents
Gardening cutting tool Download PDFInfo
- Publication number
- CN103190301B CN103190301B CN201310127391.9A CN201310127391A CN103190301B CN 103190301 B CN103190301 B CN 103190301B CN 201310127391 A CN201310127391 A CN 201310127391A CN 103190301 B CN103190301 B CN 103190301B
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- blade
- cutting tool
- cutting
- cutterhead support
- gardening
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Abstract
Present invention is disclosed a kind of gardening cutting tool, arrange and be used for cutting part that material to be cut is cut, and the feeding passage of material to be cut and the cutting amount of feeding.Cutting part comprises cutterhead support and is arranged on cutterhead support several blade.Cutterhead support is provided with rotation and has the outer ring of the first diameter.Several have tooth-like part separately blade, and the circumference connecting line of the crown of tooth-like part has Second bobbin diameter, and feeding passage is roughly vertical with rotation, and the amount of feeding is roughly the half of the difference of Second bobbin diameter and the first diameter.This layout of this gardening cutting tool can not only make the scrap rate of branch more tiny, and the noise produced is lower.
Description
Technical field
The present invention relates to a kind of gardening cutting tool.
Background technology
Cutting tool in garden instrument, as chipper, grass-mowing machine, hay mover etc., is nowadays used more and more widely.Chipper is generally divided into quick chipper and quiet chipper in the market.As its name suggests, quick chipper, as European patent EP 1480752B1 disclose, the rotary speed of its motor is than very fast, and usual motor speed is 4000 revs/min, so smaller to the scrap rate of branch, is conducive to the carrying of chip, buries or other process; But simultaneously also bring larger noise, and it carries out opposite direction to branch and longitudinally rives, and during cutting to the reverse impulse force of branch comparatively greatly, also causes the impulsive force of the hand holding branch also larger.And quiet chipper, as world patent WO2009080424A1 disclose, its motor speed is lower, be generally 400 revs/min, so its noise brought is smaller, but simultaneously also bring larger scrap rate, be unfavorable in chip carrying, bury or other process.So all there is certain defect in this two classes chipper in the market.
Summary of the invention
The object of the invention is to, for above-mentioned defect of the prior art, provide a kind of gardening cutting tool, it can not only make the scrap rate of branch more tiny, and can produce lower noise.
For achieving the above object, present invention employs following main technical schemes: a kind of gardening cutting tool, be provided with the cutting part for cutting material to be cut, described material to be cut has feeding passage and the cutting amount of feeding, described cutting part is provided with rotation, and comprise cutterhead support and be arranged on described cutterhead support several blade, described cutterhead support is provided with rotation and has the outer ring of the first diameter, it is characterized in that: described severally have tooth-like part separately blade, the circumference connecting line of the crown of described tooth-like part has Second bobbin diameter, the direction of described feeding passage is roughly vertical with described rotation, the cutting amount of feeding of described material to be cut is roughly the half of the difference of described Second bobbin diameter and described first diameter.
In addition, the present invention also adopts following attached technical scheme:
Described several mutual dislocation between the tooth tip portion of adjacent two blades of blade.
Described cutterhead support is disc, tooth tip portion mutual dislocation on the rotation direction of described cutterhead support of described adjacent two blades.
The facewidth of described tooth-like part is set to W, and described magnitude of misalignment is 1/4W.
Describedly several blade is divided into two groups, the described knife number often organized is at least 4 blades.
The angle of described tooth tip portion is 30-40 degree.
Described gardening cutting tool also comprises installs the blade carrier of cutting part, and described blade carrier is one-body molded and be made up of plastic material.
Described cutterhead support is formed in one.
Described gardening cutting tool is chipper.
Compared to prior art, the invention has the advantages that: the cutting part of cutting tool of the present invention is several blade by what arrange cutterhead support and be arranged on cutterhead support, cutterhead support is provided with rotation and has the outer ring of the first diameter, several have tooth-like part separately blade, the circumference connecting line of the crown of described tooth-like part has Second bobbin diameter, described feeding passage is roughly vertical with described rotation, and the described amount of feeding is roughly the half of the difference of described Second bobbin diameter and described first diameter; So this set of this cutting tool is convenient to often organize the sub-fraction that blade only cuts the cross section of branch, thus produce more tiny chip; And the impulsive force that the cutting part of this cutter head type produces is smaller, the noise ratio of generation is lower.
Accompanying drawing explanation
Fig. 1 is the stereogram corresponding to present pre-ferred embodiments cutting tool.
Fig. 2 is the three-dimensional installation diagram of the cutting part of cutting tool in Fig. 1.
Fig. 3 is the three-dimensional installation diagram of cutting tool when another location of Fig. 2.
Plan view when Fig. 4 is the cutting part cutting branch of Fig. 2.
Fig. 5 is the part isometric exploded view of the cutting part in Fig. 2.
Fig. 6 be cutting part in Fig. 2 often organize blade and its branch schematic cross-section when cutting branch.
Fig. 7 is the stereogram of the blade carrier of cutting tool in Fig. 1.
Detailed description of the invention
Below in conjunction with preferred embodiment and accompanying drawing thereof, technical solution of the present invention is further non-limitingly described in detail.
See figures.1.and.2, the cutting tool corresponding to present pre-ferred embodiments is the chipper 10 in garden instrument, its for the chopping of branch so that the transport of branch after chopping, to bury or other process, mainly comprise head part 12 and bracing frame 14.Driver part (not shown), cutting part 1 by driver part 12 high-speed driving are set in head part 12, to shred material to be cut branch 7.
With further reference to Fig. 3 to Fig. 5, it is several blade 5 that above-mentioned cutting part 1 comprises cutterhead support 3 and is arranged on described cutterhead support 3.This cutterhead support 3 is roughly disc, and its center arranges axle sleeve 32 and is positioned at the rotation E of axle sleeve 32, and has periphery wall F, and this periphery wall F has the first diameter L1.Described cutterhead support 5 is formed in one, and the periphery wall F of cutterhead support 3 is provided with the equal erecting bed of multiple spacing 36 to install corresponding blade 5.Each erecting bed 36 comprises several locating surface 33 to support insert 5.Described locating surface 33 comprises a vertical plane 37 and a pair horizontal plane 38, and described horizontal plane 38 and described vertical plane 37 contact with the bottom surface of described blade 5 and side respectively.Vertical plane 37 and horizontal plane 38 are all parallel to each other with described rotation E.Also one-body molded between this is to horizontal plane 38 have a pair installing hole 39, and its shape is roughly U-shaped, is distributed in the inside and outside both sides of periphery wall F.And blade 5 arranges screw hole 54, installing hole 39 and screw hole 54 are interconnected by screw 56.In addition, erecting bed 36 is also provided with inclined plane 53 non-contacting with described blade 5.Like this, this cutterhead support 5 be provided be parallel to each other with its rotation E and the locating surface 33 contacted with blade 5, with the non-contacting inclined plane of blade 5 53 and integrated installing hole 39, achieve its one-shot forming, without the need to following process, so manufacturing process is simple, with low cost.
As shown in Figure 6, above-mentioned much knives sheet 5, corresponding to present pre-ferred embodiments, is divided into two groups, and often group has 4 blades A, B, C and D, is arranged on successively on corresponding erecting bed 36.Each blade 5 has several tooth-like part 52, and the circumference connecting line G of the crown 56 of described tooth-like part 52 has Second bobbin diameter L2, and the angle of crown 56 is 30-40 degree.Above-mentioned material to be cut branch 7 has feeding passage H and amount of feeding P, and wherein feeding passage H is roughly vertical with described rotation E, and described amount of feeding P is roughly the half of the difference of described Second bobbin diameter L2 and described first diameter L1.The facewidth of each tooth-like part 52 is for being set to W, and along the rotation E mutual dislocation of described cutterhead support 3 between the above-mentioned crown 56 often organizing the adjacent blade between two of blade 5, this magnitude of misalignment is 1/4W, like this, when cutting, branch 7 relies on backgauge dish 9 to cut, High Rotation Speed often organize sub-fraction A1, B1, C1 and D1 that 4 of blade to cut blade A, B, C and D the cross section of branch 7 successively, thus produce more tiny chip.Like this, by above-mentioned setting, cutting part 1 of the present invention can not only make the scrap rate of branch more tiny, and the reverse impact power that the cutting part 1 of this cutter head type produces is smaller, so the noise ratio produced is lower, what make cutting tool of the present invention can be one-body molded by plastic material for the blade carrier 20 (Fig. 7) installing cutting part 1, and make without the need to metal material, also without the need to subsequent tool, thus also can save production cost.
It is pointed out that above-mentioned preferred embodiment is only and technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (7)
1. a gardening cutting tool, be provided with the cutting part for cutting material to be cut, described material to be cut has feeding passage and the cutting amount of feeding, described cutting part is provided with rotation, and comprise cutterhead support and be arranged on described cutterhead support several blade, described cutterhead support is provided with rotation and has the outer ring of the first diameter, it is characterized in that: described severally have tooth-like part separately blade, the circumference connecting line of the crown of described tooth-like part has Second bobbin diameter, the direction of described feeding passage is roughly vertical with described rotation, the cutting amount of feeding of described material to be cut is roughly the half of the difference of described Second bobbin diameter and described first diameter, wherein said several mutual dislocation between the tooth tip portion of adjacent two blades of blade, the facewidth of described tooth-like part is set to W, described magnitude of misalignment is 1/4W, described cutterhead support is disc, tooth tip portion mutual dislocation on the rotation direction of described cutterhead support of described adjacent two blades.
2. gardening cutting tool as claimed in claim 1, is characterized in that: describedly several blade is divided into two groups, and the described knife number often organized is at least 4 blades.
3. gardening cutting tool as claimed in claim 1, is characterized in that: the angle of described tooth tip portion is 30-40 degree.
4. gardening cutting tool as claimed in claim 1, is characterized in that it also comprises the blade carrier installing cutting part, and described blade carrier is one-body molded and be made up of plastic material.
5. gardening cutting tool as claimed in claim 1, is characterized in that: described cutterhead support is formed in one.
6. the gardening cutting tool as described in any one of claim 1-5, is characterized in that it is chipper.
7. the gardening cutting tool as described in any one of claim 1-5, it is characterized in that: it is equal and install the erecting bed of respective blade that the periphery wall of described cutterhead support is provided with multiple spacing, wherein each erecting bed comprises the several locating surfaces supporting insert, and described locating surface comprises a vertical plane and a pair horizontal plane, described horizontal plane and described vertical plane contact with the bottom surface of described blade and side respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310127391.9A CN103190301B (en) | 2013-04-12 | 2013-04-12 | Gardening cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310127391.9A CN103190301B (en) | 2013-04-12 | 2013-04-12 | Gardening cutting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103190301A CN103190301A (en) | 2013-07-10 |
| CN103190301B true CN103190301B (en) | 2015-10-28 |
Family
ID=48713271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310127391.9A Expired - Fee Related CN103190301B (en) | 2013-04-12 | 2013-04-12 | Gardening cutting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103190301B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2612613A (en) * | 2021-11-05 | 2023-05-10 | Robert Frohlich Pierre | Stem and branch cutter |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201271597Y (en) * | 2008-09-15 | 2009-07-15 | 汪革新 | Branch pulverizer |
| CN101903108A (en) * | 2007-12-21 | 2010-12-01 | 罗伯特·博世有限公司 | Improvements in or relating to shredder cutters |
| CN203329791U (en) * | 2013-04-12 | 2013-12-11 | 天佑电器（苏州）有限公司 | Gardening cutting tool |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3540597B2 (en) * | 1998-03-20 | 2004-07-07 | 日本スピンドル製造株式会社 | Crushing equipment |
| FR2809333B1 (en) * | 2000-05-25 | 2002-08-16 | Precimeca | IMPROVED WASTE GRINDER, COMPONENTS AND MAINTENANCE METHOD |
| JP2009022884A (en) * | 2007-07-19 | 2009-02-05 | Yamamoto Co Ltd | Crusher |
-
2013
- 2013-04-12 CN CN201310127391.9A patent/CN103190301B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101903108A (en) * | 2007-12-21 | 2010-12-01 | 罗伯特·博世有限公司 | Improvements in or relating to shredder cutters |
| CN201271597Y (en) * | 2008-09-15 | 2009-07-15 | 汪革新 | Branch pulverizer |
| CN203329791U (en) * | 2013-04-12 | 2013-12-11 | 天佑电器（苏州）有限公司 | Gardening cutting tool |
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| Publication number | Publication date |
|---|---|
| CN103190301A (en) | 2013-07-10 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20200412 |
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| CF01 | Termination of patent right due to non-payment of annual fee |