CN209787864U - Millet type saw bit of mowing of whetting a knife - Google Patents
Millet type saw bit of mowing of whetting a knife Download PDFInfo
- Publication number
- CN209787864U CN209787864U CN201920360039.2U CN201920360039U CN209787864U CN 209787864 U CN209787864 U CN 209787864U CN 201920360039 U CN201920360039 U CN 201920360039U CN 209787864 U CN209787864 U CN 209787864U
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- CN
- China
- Prior art keywords
- saw blade
- connecting block
- blade body
- mowing
- circular saw
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Abstract
The utility model discloses a millet type saw bit of mowing of whetting a knife, including the circular saw blade body, the middle part of circular saw blade body is provided with the first mounting hole of circular form, the through-hole has been seted up to the periphery side of first mounting hole, the through-hole is the annular array form along the radial direction of circular saw blade body and is provided with 4-8 weeks, the edge of circular saw blade body is provided with 30-50 sawtooth of angular array such as, every equal fixed welding has alloy tool bit, adjacent two on the sawtooth be provided with the sword millet between the sawtooth, the periphery of sword millet has the cutting edge through abrasive wheel grinding. The utility model can carry out secondary cutting on vegetation, and can increase the airflow on the surface of the mowing saw blade after high-speed rotation, so that the chip removal is smoother, the cutting resistance is reduced, and the cutting work efficiency is greatly improved; make things convenient for this saw bit of mowing's installation, and link together first connecting block and second connecting block and circular saw blade body through locking bolt, fixed orifices and counter sink, conveniently carry out the dismouting.
Description
Technical Field
The utility model relates to a saw bit technical field specifically is a millet type saw bit of mowing of whetting a knife.
background
The existing common grass cutting saw blade is assembled on a grass cutter and is used for cutting grass and various miscellaneous trees, shrubs and the like.
When the ordinary saw bit of mowing when the field operation of mowing, because the tool bit can not once cut totally, the cutting work of high strength can make the chip groove between the sawtooth block up the incomplete bits, influences cutting work efficiency.
Disclosure of Invention
The utility model aims at providing a knife sharpening valley type mowing saw blade which can carry out secondary cutting on vegetation and can increase the airflow on the surface of the mowing saw blade after high-speed rotation, so that the chip removal is smoother, the cutting resistance is reduced, and the cutting work efficiency is greatly improved; make things convenient for this saw bit of mowing's installation, conveniently carry out the dismouting to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a millet type saw bit of mowing of whetting a knife, includes the circular saw blade body, the middle part of circular saw blade body is provided with the first mounting hole of circular form, the through-hole has been seted up to the periphery side of first mounting hole, the through-hole is the annular array form along the radial direction of circular saw blade body and is provided with 4-8 weeks, the edge of circular saw blade body is provided with 30-50 sawtooth of equiangular arrangement, every equal fixed welding has the alloy tool bit on the sawtooth, adjacent two be provided with the sword millet between the sawtooth, the periphery of sword millet has the cutting edge through the emery wheel grinding.
Preferably, the aperture of the through hole increases from 4 to 8 weeks in sequence from inside to outside.
Preferably, the width of the alloy tool bit is 3-5 mm, and the length of the alloy tool bit is 10-14 mm.
preferably, be provided with coupling mechanism on the circular saw blade body, coupling mechanism includes first connecting block and second connecting block, first connecting block with the second connecting block is fixed respectively both sides around the circular saw blade body, the middle part of first connecting block with the middle part of second connecting block all seted up with the second mounting hole that first mounting hole communicates.
Preferably, four groups of fixing holes which are circumferentially arranged by taking the first mounting hole as the center are formed in the circular saw blade body, countersunk holes corresponding to the fixing holes are formed in the first connecting block and the second connecting block, and locking bolts are arranged in the fixing holes and the countersunk holes.
Preferably, the side wall of the second mounting hole is provided with at least four groups of square grooves at equal angles.
Compared with the prior art, the beneficial effects of the utility model are that:
1. The vegetation incompletely cut by the alloy cutter head can be secondarily cut by the cutting edge at the knife valley, and meanwhile, as the plane at the knife valley is changed, the airflow on the surface of the mowing saw blade can be increased after the mowing saw blade rotates at a high speed, so that the chip removal is smoother, the cutting resistance is reduced, and the cutting working efficiency is greatly improved;
2. Can fix the saw blade body through first connecting block and second connecting block, make things convenient for this mowing saw bit's installation, and through locking bolt, fixed orifices and counter sink with first connecting block and second connecting block with this body coupling of saw blade together, conveniently carry out the dismouting.
drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the circular saw blade body of the present invention;
fig. 3 is a mechanism schematic view of the connection mechanism of the present invention;
Fig. 4 is a schematic side sectional view of fig. 3 of the present invention;
fig. 5 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.
In the figure: 1. a circular saw blade body; 2. a first mounting hole; 3. a through hole; 4. saw teeth; 5. an alloy cutter head; 6. cutting the corn; 7. a blade; 8. a connecting mechanism; 801. a first connection block; 802. a second connecting block; 803. a second mounting hole; 9. a fixing hole; 10. a countersunk hole; 11. locking the bolt; 12. a square groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a millet type of whetting a knife saw bit, includes circular saw bit body 1, the middle part of circular saw bit body 1 is provided with circular first mounting hole 2, through-hole 3 has been seted up to the periphery side of first mounting hole 2, through-hole 3 is annular array form along circular saw bit body 1's radial direction and is provided with 4-8 weeks, the edge of circular saw bit body 1 is provided with 30-50 sawtooth 4 of equiangular arrangement, every it has alloy tool bit 5 all to fix the welding on the sawtooth 4, alloy tool bit 5's width is 3-5 mm, and length is 10-14mm, is provided with sword millet 6 between two adjacent sawtooth 4, the periphery of sword millet 6 has tool bit 7 through the abrasive wheel grinding, can carry out the secondary cutting to the incomplete vegetation of alloy 5 cutting through the cutting edge 7 of sword millet 6 department, simultaneously because the plane of sword millet 6 department changes, the airflow on the surface of the mowing saw blade can be increased after the mowing saw blade rotates at a high speed, so that the chip removal is smoother, the cutting resistance is reduced, and the cutting work efficiency is greatly improved.
Specifically, the aperture of the through hole 3 increases gradually from inside to outside in 4-8 weeks, and the through hole 3 adopting the design can rapidly dissipate heat generated during cutting, so that the mowing saw blade cannot become soft due to overhigh heat.
Specifically, be provided with coupling mechanism 8 on the circular saw blade body 1, coupling mechanism 8 includes first connecting block 801 and second connecting block 802, first connecting block 801 with second connecting block 802 is fixed respectively both sides around the circular saw blade body 1, the middle part of first connecting block 801 with the middle part of second connecting block 802 all seted up with the second mounting hole 803 that first mounting hole 2 is linked together, can fix circular saw blade body 1 through first connecting block 801 and second connecting block 802, make things convenient for the installation of this saw blade of mowing.
Specifically, seted up on the circular saw blade body 1 with first mounting hole 2 is four groups of fixed orificess 9 that the circumference form set up as the center, first connecting block 801 with all seted up on the second connecting block 802 with the corresponding counter sink 10 of fixed orifices 9, fixed orifices 9 with be provided with locking bolt 11 in the counter sink 10, link together first connecting block 801 and second connecting block 802 and circular saw blade body 1 through locking bolt 11, fixed orifices 9 and counter sink 10, conveniently carry out the dismouting.
Specifically, at least four sets of square grooves 12 are equidistantly arranged on the side wall of the second mounting hole 803, and the square grooves 12 can enable the first connecting block 801 and the second connecting block 802 to better transmit torque.
The structure principle is as follows: during the use, set up first connecting block 801 and second connecting block 802 respectively in the front and back both sides of circular saw blade body 1, make fixed orifices 9 and counter sink 10 align, rethread locking bolt 11 is with first connecting block 801, second connecting block 802 and circular saw blade body 1 are together fixed, rethread second mounting hole 803 is installed this saw bit of mowing on mowing equipment, when mowing, cut the quilt through alloy tool bit 5, simultaneously carry out the secondary cutting to alloy tool bit 5 cutting incomplete vegetation through cutting edge 7 of sword millet 6 department, simultaneously because the plane of sword millet 6 department changes, can increase the air current on this saw bit surface of mowing after high-speed rotation, make the chip removal more smooth and easy, reduce the cutting resistance, improve cutting work efficiency greatly.
As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a millet type of whetting a knife saw bit of mowing, includes saw blade body (1), its characterized in that: the middle part of circular saw blade body (1) is provided with first mounting hole (2) of circular form, through-hole (3) have been seted up to the periphery side of first mounting hole (2), through-hole (3) are annular array form along the radial direction of circular saw blade body (1) and are provided with 4-8 weeks, the edge of circular saw blade body (1) is provided with 30-50 sawtooth (4) of angular array, every equal fixed welding has alloy tool bit (5), adjacent two on sawtooth (4) be provided with sword millet (6) between sawtooth (4), the periphery of sword millet (6) has cutting edge (7) through the emery wheel grinding.
2. The sharpen valley type mowing saw blade of claim 1, wherein: the aperture of the through hole (3) increases gradually from inside to outside in 4-8 weeks.
3. The sharpen valley type mowing saw blade of claim 1, wherein: the width of the alloy cutter head (5) is 3-5 mm, and the length of the alloy cutter head is 10-14 mm.
4. The sharpen valley type mowing saw blade of claim 1, wherein: be provided with coupling mechanism (8) on circular saw blade body (1), coupling mechanism (8) include first connecting block (801) and second connecting block (802), first connecting block (801) with second connecting block (802) are fixed respectively both sides around circular saw blade body (1), the middle part of first connecting block (801) with second connecting block (802) the middle part all seted up with second mounting hole (803) that first mounting hole (2) are linked together.
5. The sharpen valley type mowing saw blade of claim 4, wherein: seted up on circular saw blade body (1) with first mounting hole (2) are four groups fixed orifices (9) that the circumference form set up as the center, first connecting block (801) with all seted up on second connecting block (802) with corresponding counter sink (10) in fixed orifices (9), fixed orifices (9) with be provided with locking bolt (11) in counter sink (10).
6. the sharpen valley type mowing saw blade of claim 4, wherein: at least four groups of square grooves (12) are arranged on the side wall of the second mounting hole (803) at equal angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920360039.2U CN209787864U (en) | 2019-03-21 | 2019-03-21 | Millet type saw bit of mowing of whetting a knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920360039.2U CN209787864U (en) | 2019-03-21 | 2019-03-21 | Millet type saw bit of mowing of whetting a knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209787864U true CN209787864U (en) | 2019-12-17 |
Family
ID=68825634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920360039.2U Expired - Fee Related CN209787864U (en) | 2019-03-21 | 2019-03-21 | Millet type saw bit of mowing of whetting a knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209787864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022099962A1 (en) * | 2020-11-12 | 2022-05-19 | 江苏汇鸿畜产嘉瑞机电有限公司 | Mowing blade and application |
-
2019
- 2019-03-21 CN CN201920360039.2U patent/CN209787864U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022099962A1 (en) * | 2020-11-12 | 2022-05-19 | 江苏汇鸿畜产嘉瑞机电有限公司 | Mowing blade and application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |