CN104126429A - Blade for roadside green belt trimmer - Google Patents
Blade for roadside green belt trimmer Download PDFInfo
- Publication number
- CN104126429A CN104126429A CN201410278577.9A CN201410278577A CN104126429A CN 104126429 A CN104126429 A CN 104126429A CN 201410278577 A CN201410278577 A CN 201410278577A CN 104126429 A CN104126429 A CN 104126429A
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- China
- Prior art keywords
- blade
- sleeve
- bottom knife
- blade sleeve
- green belt
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Abstract
The invention discloses a blade for a roadside green belt trimmer and a manufacturing method thereof. The blade comprises an upper blade sleeve, a lower blade sleeve and cutting edges, wherein the upper blade sleeve is connected with the lower blade sleeve, and smooth portions are arranged on the joints of the upper blade sleeve and the lower blade sleeve; the upper blade sleeve is a hollow cylinder; the lower blade sleeve is a circular ring with a circular groove; the inner diameter of the upper blade sleeve is the same as the inner diameter of the lower blade sleeve, and the diameter of the groove of the lower blade sleeve is greater than the inner diameter of the upper blade sleeve; the cutting edges are fixedly arranged on the lower blade sleeve, and are in the forms of triangular waves; and the horizontal sections of the cutting edges are wave-shaped, and the vertical sections of the cutting edges are triangular. The trimmer using the blade runs stably during working, and causes little damage to the blade after long-time use. Tree trunks can be well locked so as to be cut off, so that the tearing degree is lowered, and the flatness of notches is increased.
Description
Technical field
The present invention relates to trimmer accessory field, related in particular to a kind of blade for road green belt trimmer.
Background technology
The blade of pruning part in current trimmer is rectangle blade, and only by pin being located in the pilot hole on blade, blade is moved reciprocatingly along the length direction of blade, but this structure can cause blade in the situation that of high-speed motion, pin can wear and tear at short notice, gap between pilot hole and pin is increased, vibration in machinery operation process is strengthened, thereby cause pruning Quality Down and prune inefficient situation, and can damage the shrub of greenbelt and flowers and plants.
Summary of the invention
The deficiency existing for prior art, object of the present invention is just to provide a kind of blade for road green belt trimmer, stable when work, can well lock trunk, take advantage of a situation branch is cut off, reduced tear strength, increased the flatness of otch, and after long-term use, the damage of blade is less.
To achieve these goals, the technical solution used in the present invention is such: a kind of blade for road green belt trimmer, comprise cutter sleeve, bottom knife sleeve and blade, institute's cutter sleeve is connected with bottom knife sleeve, and junction is provided with round and smooth; Described cutter sleeve is hollow cylinder, and bottom knife sleeve is the annulus with circular groove; The internal diameter of cutter sleeve is identical with the internal diameter of bottom knife sleeve, and the groove diameter of bottom knife sleeve is greater than the internal diameter of cutter sleeve; Described blade is fixedly installed in bottom knife sleeve, and is triangular shape waveform, and its horizontal cross-section is waveform, and vertical section is triangle.
A method of manufacturing the described blade for road green belt trimmer, comprises the following steps:
(1) produce high-speed tool steel: after adopting electric induction furnace or electric induction furnace smelting, produce high-speed tool steel through electroslag remelting, this tells tool steel to contain C, Si, Mn, Cr, W, Mo, V, Nb, Co, S, P and Fe, and described each component content C0.59% ~ 0.60%, Si0.49% ~ 0.50%, Mn0.28% ~ 0.38%, Cr6.13% ~ 6.50%, W1.83% ~ 2.20%, Mo4.70% ~ 4.92%, V0.77% ~ 0.80%, Nb0.14% ~ 0.15%, Co0.35% ~ 0.36%, S≤0.01%, P≤0.02% and all the other are Fe;
(2) forging rolling operation: the high-speed tool steel that step (1) is produced carries out forging rolling and is described blade, and its forging rolling temperature is 1050-1250 DEG C;
(3) thermal treatment is prepared: first blade step (2) Suo Shu is carried out to modifier treatment, quenching and tempering hardness 28～32HRC.After semifinishing completes, then carry out surface carburization processing, nitrided case depth 0.4～0.6mm, hardness 600～750HV;
(4) annealing: the blade of step (3) is heated to 880-920 DEG C, insulation 4-5h, then be cooled to 620-660 DEG C with the speed of 50-60 DEG C/h, the air cooling of coming out of the stove;
(5) quench: by step (4) blade after treatment at the quenching-in water of 55-70 DEG C to 270-350 DEG C;
(6) tempering: the blade of step (5) is heated to 350-400 DEG C, be incubated 3 hours ± 30 minutes in, carry out lonneal processing, insulation 5h after, the air cooling of coming out of the stove, twice of tempering;
(7) surface treatment: the blade face after air cooling is carried out to degreasing and dry, clean draining, use lubricating fluid to soak, form lubricated dry film;
(8) dry for standby: the container of the blade of handling well being put into 60-70 DEG C is dried, and is incubated 1-1.5h.
As a kind of preferred version, described blade has the radian that a radius is 30mm.
As a kind of preferred version, the quantity of described blade is two or more, and is uniformly distributed in bottom knife sleeve outside.
Compared with prior art, beneficial effect of the present invention:
1. stable while work, and after long-term use, the damage of blade is less;
2. can well lock trunk, take advantage of a situation branch is cut off, reduce tear strength, increase the flatness of otch, reduce shrub to greenbelt and the injury of flowers and plants;
3. have higher hardness, hardness can reach 63-66HRC, and bending strength can reach 3500MPa.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is vertical view of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further described.
Embodiment 1:
Manufacture, for a method for the blade of road green belt trimmer, comprises the following steps:
(1) produce high-speed tool steel: after adopting electric induction furnace or electric induction furnace smelting, produce high-speed tool steel through electroslag remelting, this tells tool steel to contain C, Si, Mn, Cr, W, Mo, V, Nb, Co, S, P and Fe, and described each component content C0.59% ~ 0.60%, Si0.49% ~ 0.50%, Mn0.28% ~ 0.38%, Cr6.13% ~ 6.50%, W1.83% ~ 2.20%, Mo4.70% ~ 4.92%, V0.77% ~ 0.80%, Nb0.14% ~ 0.15%, Co0.35% ~ 0.36%, S≤0.01%, P≤0.02% and all the other are Fe;
(2) forging rolling operation: the high-speed tool steel that step (1) is produced carries out forging rolling and is described blade, and its forging rolling temperature is 1050-1250 DEG C;
(3) thermal treatment is prepared: first blade step (2) Suo Shu is carried out to modifier treatment, quenching and tempering hardness 28～32HRC.After semifinishing completes, then carry out surface carburization processing, nitrided case depth 0.4～0.6mm, hardness 600～750HV;
(4) annealing: the blade of step (3) is heated to 880-920 DEG C, insulation 4-5h, then be cooled to 620-660 DEG C with the speed of 50-60 DEG C/h, the air cooling of coming out of the stove;
(5) quench: by step (4) blade after treatment at the quenching-in water of 55-70 DEG C to 270-350 DEG C;
(6) tempering: the blade of step (5) is heated to 350-400 DEG C, be incubated 3 hours ± 30 minutes in, carry out lonneal processing, insulation 5h after, the air cooling of coming out of the stove, twice of tempering;
(7) surface treatment: the blade face after air cooling is carried out to degreasing and dry, clean draining, use lubricating fluid to soak, form lubricated dry film;
(8) dry for standby: the container of the blade of handling well being put into 60-70 DEG C is dried, and is incubated 1-1.5h.
A kind of blade for road green belt trimmer preparing with said method, there is higher hardness, hardness can reach 63-66HRC, bending strength can reach 3500MPa, described blade comprises cutter sleeve 1, bottom knife sleeve 2 and blade 3, institute's cutter sleeve 1 is connected with bottom knife sleeve 2, and junction is provided with round and smooth 4; Described cutter sleeve 1 is hollow cylinder, and bottom knife sleeve 2 is the annulus with circular groove 5; The internal diameter of cutter sleeve 1 is identical with the internal diameter of bottom knife sleeve 2, and groove 5 diameters of bottom knife sleeve 2 are greater than the internal diameter of cutter sleeve 1; Described blade 3 is fixedly installed in bottom knife sleeve 2, and is triangular shape waveform, and its horizontal cross-section is waveform, and vertical section is triangle; Described blade 3 has the radian that a radius is 30mm; The quantity of described blade 3 is two or more, and is uniformly distributed in bottom knife sleeve 2 outsides.Use trimmer when work of this blade stable, can well lock trunk, taken advantage of a situation branch is cut off, reduced tear strength, increased the flatness of otch, and after long-term use, the damage of blade has been less.
Finally it should be noted that, above embodiment is the non-limiting technical scheme in order to technical scheme of the present invention to be described only, those of ordinary skill in the art is to be understood that, those are modified or are equal to replacement technical scheme of the present invention, and do not depart from aim and the scope of the technical program, all should be encompassed in the middle of claim scope of the present invention.
Claims (5)
1. for a blade for road green belt trimmer, it is characterized in that: described blade comprises cutter sleeve, bottom knife sleeve and blade, institute's cutter sleeve is connected with bottom knife sleeve, and junction is provided with round and smooth; Described cutter sleeve is hollow cylinder, and bottom knife sleeve is the annulus with circular groove; The internal diameter of cutter sleeve is identical with the internal diameter of bottom knife sleeve, and the groove diameter of bottom knife sleeve is greater than the internal diameter of cutter sleeve; Described blade is fixedly installed in bottom knife sleeve, and is triangular shape waveform, and its horizontal cross-section is waveform, and vertical section is triangle.
2. a kind of blade for road green belt trimmer according to claim 1, is characterized in that: described blade has the radian that a radius is 30mm.
3. a kind of blade for road green belt trimmer according to claim 1, is characterized in that: the quantity of described blade is two or more, and is uniformly distributed in bottom knife sleeve outside.
4. a method of manufacturing a kind of blade for road green belt trimmer described in claim 1, is characterized in that, comprises the following steps:
(1) produce high-speed tool steel: after adopting electric induction furnace or electric induction furnace smelting, produce high-speed tool steel through electroslag remelting, this tells tool steel to contain C, Si, Mn, Cr, W, Mo, V, Nb, Co, S, P and Fe, and described each component content C0.59% ~ 0.60%, Si0.49% ~ 0.50%, Mn0.28% ~ 0.38%, Cr6.13% ~ 6.50%, W1.83% ~ 2.20%, Mo4.70% ~ 4.92%, V0.77% ~ 0.80%, Nb0.14% ~ 0.15%, Co0.35% ~ 0.36%, S≤0.01%, P≤0.02% and all the other are Fe;
(2) forging rolling operation: the high-speed tool steel that step (1) is produced carries out forging rolling and is described blade, and its forging rolling temperature is 1050-1250 DEG C;
(3) thermal treatment is prepared: first blade step (2) Suo Shu is carried out to modifier treatment, quenching and tempering hardness 28～32HRC.
5. after semifinishing completes, then carry out surface carburization processing, nitrided case depth 0.4～0.6mm, hardness 600～750HV;
(4) annealing: the blade of step (3) is heated to 880-920 DEG C, insulation 4-5h, then be cooled to 620-660 DEG C with the speed of 50-60 DEG C/h, the air cooling of coming out of the stove;
(5) quench: by step (4) blade after treatment at the quenching-in water of 55-70 DEG C to 270-350 DEG C;
(6) tempering: the blade of step (5) is heated to 350-400 DEG C, be incubated 3 hours ± 30 minutes in, carry out lonneal processing, insulation 5h after, the air cooling of coming out of the stove, twice of tempering;
(7) surface treatment: the blade face after air cooling is carried out to degreasing and dry, clean draining, use lubricating fluid to soak, form lubricated dry film;
(8) dry for standby: the container of the blade of handling well being put into 60-70 DEG C is dried, and is incubated 1-1.5h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410278577.9A CN104126429A (en) | 2014-06-20 | 2014-06-20 | Blade for roadside green belt trimmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410278577.9A CN104126429A (en) | 2014-06-20 | 2014-06-20 | Blade for roadside green belt trimmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104126429A true CN104126429A (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410278577.9A Pending CN104126429A (en) | 2014-06-20 | 2014-06-20 | Blade for roadside green belt trimmer |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08294301A (en) * | 1995-04-26 | 1996-11-12 | Shigeki Sano | Tilling device in power tiller |
| US6810967B1 (en) * | 2002-08-06 | 2004-11-02 | Danny L. Phillips | Grass and soil trimming system |
| CN2660873Y (en) * | 2003-11-14 | 2004-12-08 | 史高社 | Drum type straw chopping and land returning machine |
| CN201088037Y (en) * | 2007-08-21 | 2008-07-23 | 浙江工贸职业技术学院 | Planning type tea plant weight cropper |
| CN201153409Y (en) * | 2008-01-03 | 2008-11-26 | 卫家宣 | Manual control electromotion pruning machine |
| CN102114596A (en) * | 2009-12-30 | 2011-07-06 | 江苏金源锻造股份有限公司 | Manufacture method of installed and welded shearing tool of heavy forging |
| CN102453797A (en) * | 2010-11-01 | 2012-05-16 | 贵州航天风华精密设备有限公司 | One-time heat treatment method of integral high-speed steel cutter |
| CN102766817A (en) * | 2012-08-15 | 2012-11-07 | 安徽嘉龙锋钢刀具有限公司 | Semi-high speed steel shear steel |
| CN202697315U (en) * | 2012-07-23 | 2013-01-30 | 会理县机具厂 | Small-size multifunctional electric shrub and hedge trimmer |
-
2014
- 2014-06-20 CN CN201410278577.9A patent/CN104126429A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08294301A (en) * | 1995-04-26 | 1996-11-12 | Shigeki Sano | Tilling device in power tiller |
| US6810967B1 (en) * | 2002-08-06 | 2004-11-02 | Danny L. Phillips | Grass and soil trimming system |
| CN2660873Y (en) * | 2003-11-14 | 2004-12-08 | 史高社 | Drum type straw chopping and land returning machine |
| CN201088037Y (en) * | 2007-08-21 | 2008-07-23 | 浙江工贸职业技术学院 | Planning type tea plant weight cropper |
| CN201153409Y (en) * | 2008-01-03 | 2008-11-26 | 卫家宣 | Manual control electromotion pruning machine |
| CN102114596A (en) * | 2009-12-30 | 2011-07-06 | 江苏金源锻造股份有限公司 | Manufacture method of installed and welded shearing tool of heavy forging |
| CN102453797A (en) * | 2010-11-01 | 2012-05-16 | 贵州航天风华精密设备有限公司 | One-time heat treatment method of integral high-speed steel cutter |
| CN202697315U (en) * | 2012-07-23 | 2013-01-30 | 会理县机具厂 | Small-size multifunctional electric shrub and hedge trimmer |
| CN102766817A (en) * | 2012-08-15 | 2012-11-07 | 安徽嘉龙锋钢刀具有限公司 | Semi-high speed steel shear steel |
Non-Patent Citations (2)
| Title |
|---|
| 王光宇87: "茶树修剪机的设计", 《百度文库，HTTP://WENKU.BAIDU.COM/LINK?URL=CW4DY3SVXNQQV76W1QOHDMJUZMPWIJ_PAXI72...》, 7 March 2014 (2014-03-07) * |
| 陈伊文等: "手推式草坪修剪机的研究", 《粮油加工与食品机械》, no. 04, 25 July 1987 (1987-07-25) * |
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Application publication date: 20141105 |