CN201797739U - Cutting knife of reaper - Google Patents
Cutting knife of reaper Download PDFInfo
- Publication number
- CN201797739U CN201797739U CN2010202252381U CN201020225238U CN201797739U CN 201797739 U CN201797739 U CN 201797739U CN 2010202252381 U CN2010202252381 U CN 2010202252381U CN 201020225238 U CN201020225238 U CN 201020225238U CN 201797739 U CN201797739 U CN 201797739U
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- China
- Prior art keywords
- cutter
- plate
- decide
- knife
- ledger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a cutting knife of a reaper, which comprises a movable cutting knife and a fixed cutting knife. The movable cutting knife consists of a movable blade and a movable knife board. The movable cutting knife consists of a left cutting knife and a right cutting knife; a left boundary movable blade is arranged at the right end of the left cutting knife; a right boundary movable blade is arranged at the left end of the right cutting knife; both the left boundary movable blade and the right boundary movable blade adopt right-angled trapezoid structures, and vertical waists of the right-angled trapezoid structures are oppositely arranged; and the left boundary movable blade and the right boundary movable blade correspond to a fixed blade. The utility model realizes a bidirectional cutting knife of a reaper, which has the advantages of simple structure, no blind area during the cutting process, low possibility of blade locking and high reliability.
Description
Technical field
The utility model relates to a kind of grain header, especially relates to a kind of cutter of grain header.
Background technology
The cutter that tradition extracts part is whole moving cutter, and the whole cutter of deciding is formed.It has following shortcoming: 1, owing to do the high speed relative motion between moving, the ledger-plate, for guaranteeing to alleviate wearing and tearing and sting the sword phenomenon, the flatness of blade is had relatively high expectations, and the long more manufacture difficulty of cutter is big more; 2, when the blade local damage takes place, whole cutter need be changed, maintenance cost is very high; 3,, thereby make the complete machine parts form fatigue fracture because of vibration because big, the reciprocating motion speed height of moving cutter weight produces very big vibration when commutation.In order to address these problems, publication number discloses a kind of combine for the CN1973595 Chinese patent, a kind of two-way cutter wherein is provided, but the moving knife about a pair of cropping knife driving mechanism moves back and forth according to its driven in rotation phase place and with following state: but at the moving knife in left side when slide in the body outside, but the moving knife on right side also slides to the body outside, but at the moving knife in left side during towards the body inner slide, but the moving knife on right side is also to the body inner slide, that is, pair of right and left movably reciprocatingly slides towards opposite directions.But be divided into the weight that the two sections this methods in front and back help alleviating moving knife but this invention is about to original single, whole moving knife, because its direction of motion is opposite, the partial vibration of can cancelling out each other is to reach the purpose that reduces vibration.But, because the inner of knife section is the cutting blind area, can't cut, in order to prevent that being cut thing enters into this zone, this invention has to provide a housing, but but but the end of the moving knife of housing from above-mentioned pair of right and left moving knife extends to the top, end of another moving knife, and, this housing possesses enough development lengths, but so that cover between the end of pair of right and left moving knife, and, even but make and be opened between this end under the maximum sized state moving back and forth round about owing to two moving knife, also be enough to cover the gamut between this end.Thus, but about avoiding straw bits or earth etc. to enter into by housing between the end of moving knife.But but this structure make from about the position enters between the moving knife end the crop blade that can only be directed into the both sides that are adjacent just can be cut, make the crop at blade place of the both sides that it is adjacent assemble too much, cause swaging clamp, damage problem such as blade.
Summary of the invention
The utility model mainly be solve the existing in prior technology cutting position have the blind area, easily swaging clamp, damage the technical problem of section etc. easily, provide a kind of simple in structure, cutting does not have the blind area, be not prone to swaging clamp, the cutter of a kind of grain header that reliability is high.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of two-way cutter of grain header, comprise moving cutter and decide cutter, described moving cutter is made of knife section and moving knife plate, describedly decide cutter and constitute by ledger-plate and stationary knife plate, it is characterized in that described moving cutter is made of left cutter and right cutter, the right-hand member of left side cutter is provided with the left margin knife section, the left end of right cutter is provided with the right margin knife section, a left side, the right margin knife section is ladder structure of right angle, its vertical waist is oppositely arranged, a left side, the right margin knife section is corresponding to a shared ledger-plate, the axis of described shared ledger-plate is in a left side, the dead astern of the symmetry axis of right margin knife section stroke, described shared ledger-plate equates that with the height of other ledger-plates the width of shared ledger-plate is greater than other ledger-plate 4-9mm.When left cutter outwards moved, right cutter is outwards motion also; When left cutter inwardly moved, right cutter is inwardly motion also, i.e. both eternal counter motions.Like this, just can reach the purpose that reduces to vibrate so that the vibration major part that both produce is at work shaken to disappear.Because left and right border knife section is ladder structure of right angle, its vertical waist is oppositely arranged, and cooperates a shared ledger-plate, when moving skive falchion movement, the blade of holding up the waist side of left and right border knife section matches with the both sides blade of shared ledger-plate, produces shearing, and crop is cut.Because a knife section relative side in left and right border is vertical,, add itself and the cutting that cooperates of shared ledger-plate, so its cutting does not have the blind area so both can lean on very closely.Again because the stroke right-hand member of left margin knife section and the stroke left end of right margin knife section have certain spacing in the middle of reality, and its distance that moves when operation is the same in the distance of other knife section, so in order to reach synchronous with the cutting process of other knife section, and reduce unnecessary friction too much between left and right border knife section and the shared ledger-plate as far as possible, selected of the design of the width of shared ledger-plate greater than other ledger-plate 3-8mm.
As preferably, the gradient of the both sides blade of described shared ledger-plate is less than the gradient of the both sides blade of other ledger-plates, and the gradient of the both sides blade of shared ledger-plate is 0.6-1.Because the blade of vertical waist one side of left and right border of the present utility model knife section and the both sides blade cooperating of shared ledger-plate, this just makes at work that the shearing between them needs bigger, the power demand that has improved cutter.In order to reduce the shearing between them, this incidence of criminal offenses is arrived 0.6-1 with the grade reduction of the both sides blade of ledger-plate.
As preferably, described decide cutter by a left side decide cutter, right decide cutter and be provided with shared ledger-plate in decide cutter, left decide cutter, in decide cutter and the right side and decide cutter and connect in turn by its corresponding stationary knife plate.The stationary knife plate is divided into three sections, helps improving the machining accuracy of stationary knife plate, reduce vibration,, after knife plate separates, can make things convenient for its difference processing simultaneously because the structure of shared ledger-plate is different with the structure of other ledger-plate.
As preferably, the right-hand member of the moving knife plate of described left cutter correspondence stretches out left margin knife section 2-5mm, and the right-hand member of the moving knife plate of right cutter correspondence stretches out right margin knife section 2-5mm.This structure has guaranteed no matter left and right border knife section is when proper motion, still can directly not contact when the operation troubles of driving mechanism takes place, and makes it in use safer.
The beneficial effect that brings of the present utility model is, solved the existing in prior technology cutting position have the blind area, easily swaging clamp, damage the technical problem of section etc. easily, realized a kind of simple in structure, cutting does not have the blind area, be not prone to swaging clamp, the cutter of a kind of grain header that reliability is high.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model;
Accompanying drawing 2 is a kind of partial enlarged drawings of embodiment 1 of the present utility model;
Accompanying drawing 3 is a kind of partial enlarged drawings of embodiment 2 of the present utility model.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment:
As shown in Figure 1 and Figure 2, the utility model is a kind of cutter of grain header, it comprises moving cutter and decides cutter 3, described moving cutter is made of knife section 11 and moving knife plate 12, describedly decide cutter 3 and constitute by ledger-plate 31 and stationary knife plate 32, described moving cutter is made of left cutter 1 and right cutter 2, decide cutter 3 by a left side decide cutter, right decide cutter and be provided with shared ledger-plate 4 in decide cutter, left decide cutter, in decide cutter and the right side and decide cutter and connect in turn by its corresponding stationary knife plate.The right-hand member of left side cutter 1 is provided with left margin knife section 6, the left end of right cutter 2 is provided with right margin knife section 5, a left side, the right margin knife section is ladder structure of right angle, its vertical waist is oppositely arranged, a left side, the right margin knife section is corresponding to a shared ledger-plate 4, shared ledger-plate 4 equates with the height of other ledger-plates, the width of shared ledger-plate is greater than other ledger-plate 5mm, the gradient of its both sides blade equates with the gradient of the both sides blade of other ledger-plates, the axis of shared ledger-plate 4 is in a left side, the dead astern of the symmetry axis of right margin knife section stroke, described left margin knife section 6 moves to low order end, when right margin knife section 5 moves to high order end, both have the spacing of 5mm, and the right-hand member of the moving knife plate of left cutter 1 correspondence stretches out left margin knife section 2.5mm, and the right-hand member of the moving knife plate of right cutter correspondence stretches out right margin knife section 2.5mm.
When left cutter of the present utility model outwards moved, right cutter is outwards motion also; When left cutter inwardly moved, right cutter is inwardly motion also, i.e. both eternal counter motions.Like this, just can reach the purpose that reduces to vibrate so that the vibration major part that both produce is at work shaken to disappear.Because left and right border knife section is ladder structure of right angle, its vertical waist is oppositely arranged, and cooperates a shared ledger-plate, when moving skive falchion movement, the blade of holding up the waist side of left and right border knife section matches with the both sides blade of shared ledger-plate, produces shearing, and crop is cut.Because a knife section relative side in left and right border is vertical,, add itself and the cutting that cooperates of shared ledger-plate, so its cutting does not have the blind area so both can lean on very closely.The stroke right-hand member of left margin knife section can damage itself so that border, left and right sides knife section can directly not contact with the little spacing of the 5mm of the stroke left end of right margin knife section.
Embodiment 2:
Present embodiment has been done further improvement with the structure of shared ledger-plate on the basis of embodiment 1, it equates with the height of other ledger-plates, the width of shared ledger-plate is greater than other ledger-plate 5mm, the gradient of the both sides blade of shared ledger-plate is less than the gradient of the both sides blade of other ledger-plates, and the gradient of the both sides blade of shared ledger-plate is 0.8.
Because the blade of vertical waist one side of left and right border of the present utility model knife section and the both sides blade cooperating of shared ledger-plate, this just makes at work that the shearing between them needs bigger, the power demand that has improved cutter.In order to reduce the shearing between them, but, if the gradient of the both sides blade of shared ledger-plate is too small, because the shift motion of left and right border knife section is constant, and the edge length of shared ledger-plate is elongated, make its most advanced and sophisticated meeting produce long idle blade, so this incidence of criminal offenses is with the grade reduction to 0.8 of the both sides blade of ledger-plate.
So the utlity model has features such as simple in structure, that cutting does not have the blind area, is not prone to swaging clamp, reliability height, vibration are little, easily manufactured.
Claims (6)
1. the cutter of a grain header, comprise moving cutter and decide cutter, described moving cutter is made of knife section and moving knife plate (12), describedly decide cutter (3) and constitute by ledger-plate (31) and stationary knife plate (32), it is characterized in that described moving cutter is made of left cutter (1) and right cutter (2), the right-hand member of left side cutter (1) is provided with left margin knife section (6), the left end of right cutter (2) is provided with right margin knife section (5), a left side, the right margin knife section is ladder structure of right angle, its vertical waist is oppositely arranged, a left side, the right margin knife section is corresponding to a shared ledger-plate (4), the axis of described shared ledger-plate (4) is in a left side, the dead astern of the symmetry axis of right margin knife section stroke, described shared ledger-plate (4) equates that with the height of other ledger-plates the width of shared ledger-plate is greater than other ledger-plate 4-9mm.
2. the cutter of a kind of grain header according to claim 1, the gradient of both sides blade that it is characterized in that described shared ledger-plate (4) is less than the broken degree of the both sides blade of other ledger-plates, and the gradient of the both sides blade of shared ledger-plate is 0.6-1.
3. the cutter of a kind of grain header according to claim 1 and 2, it is characterized in that described decide cutter by a left side decide cutter, right decide cutter and be provided with shared ledger-plate (4) in decide cutter, a left side decide cutter, in decide cutter and the right side and decide cutter and pass through its corresponding stationary knife plate (32) and connect in turn.
4. the cutter of a kind of grain header according to claim 3, it is characterized in that described decide cutter by a left side decide cutter, right decide cutter and be provided with shared ledger-plate in decide cutter, left decide cutter, in decide cutter and the right side and decide cutter and connect in turn by its corresponding stationary knife plate.
5. the cutter of a kind of grain header according to claim 1 and 2 is characterized in that the right-hand member of the moving knife plate that described left cutter (1) is corresponding stretches out left margin knife section 2-5mm, and the right-hand member of the moving knife plate of right cutter correspondence stretches out right margin knife section 2-5mm.
6. the cutter of a kind of grain header according to claim 3 is characterized in that the right-hand member of the moving knife plate of described left cutter correspondence stretches out left margin knife section 2-5mm, and the right-hand member of the moving knife plate of right cutter correspondence stretches out right margin knife section 2-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202252381U CN201797739U (en) | 2010-06-13 | 2010-06-13 | Cutting knife of reaper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202252381U CN201797739U (en) | 2010-06-13 | 2010-06-13 | Cutting knife of reaper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201797739U true CN201797739U (en) | 2011-04-20 |
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ID=43867252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202252381U Expired - Fee Related CN201797739U (en) | 2010-06-13 | 2010-06-13 | Cutting knife of reaper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201797739U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102948296A (en) * | 2012-11-20 | 2013-03-06 | 无锡康柏斯机械科技有限公司 | Harvester blade suitable for harvesting crops with strong toughness |
| CN108401647A (en) * | 2018-01-18 | 2018-08-17 | 浦江兴晟食品科技有限公司 | Energy-efficient weeder |
| CN108496537A (en) * | 2018-01-18 | 2018-09-07 | 浦江兴晟食品科技有限公司 | Pumping type wormwood harvest equipment |
-
2010
- 2010-06-13 CN CN2010202252381U patent/CN201797739U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102948296A (en) * | 2012-11-20 | 2013-03-06 | 无锡康柏斯机械科技有限公司 | Harvester blade suitable for harvesting crops with strong toughness |
| CN108401647A (en) * | 2018-01-18 | 2018-08-17 | 浦江兴晟食品科技有限公司 | Energy-efficient weeder |
| CN108496537A (en) * | 2018-01-18 | 2018-09-07 | 浦江兴晟食品科技有限公司 | Pumping type wormwood harvest equipment |
| CN108401647B (en) * | 2018-01-18 | 2021-01-05 | 江苏大墩子银杏生物科技有限公司 | Weeding device |
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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 |
Granted publication date: 20110420 Termination date: 20170613 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |