CN106863481A - A kind of bionical zigzag structure - Google Patents
A kind of bionical zigzag structure Download PDFInfo
- Publication number
- CN106863481A CN106863481A CN201710155291.5A CN201710155291A CN106863481A CN 106863481 A CN106863481 A CN 106863481A CN 201710155291 A CN201710155291 A CN 201710155291A CN 106863481 A CN106863481 A CN 106863481A
- Authority
- CN
- China
- Prior art keywords
- sword
- tooth
- cutting
- blade
- angle
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B33/00—Sawing tools for saw mills, sawing machines, or sawing devices
- B27B33/02—Structural design of saw blades or saw teeth
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Knives (AREA)
- Component Parts Of Construction Machinery (AREA)
Abstract
The invention discloses a kind of bionical zigzag structure, belong to agricultural technology field, it is made up of tooth, teeth groove and the back of tooth, tooth is constituted by cutting position, opening up blade position, chip removal position and embedded angle, increase with monodentate insert depth, sawing speed is fast, sawing is more laborsaving, can preferably collect, store, discharging broken cutting, classification cutting Bionic Design, cutting speed can be improved on the basis of tooth intensity is ensured, reduces cutting force, teeth groove can preferably clean swage set and improve cutting efficiency, tooth and teeth groove can just play its effect under the support of the back of tooth and the transmission effect of power.
Description
Technical field
The invention belongs to agricultural technology field, and in particular to a kind of bionical zigzag structure.
Background technology
Zigzag structure has and has a wide range of application, and simple structure, low cost is easy to operate, the features such as efficiency high, nowadays exists
In the industries such as forestry, agricultural, industry, construction industry, manufacturing industry and life, zigzag structure can be seen everywhere, with life
Produce the effect that be can not be substituted in living.
Application of the zigzag structure in forestry is more, the two-man saw of lumbering, chain saw, processes circular saw, the wood of timber
Saw, the orchard saw of pollard processes panel saw, folding saw used in the hacksaw of metal, and life in industry, or even
Surgical saw for amputation etc. is all a kind of zigzag structure.
In recent years, application of the zigzag structure in agricultural was more and more, and the cutter plate on agricultural harvesting machinery is exactly
A kind of zigzag structure applied widely, it can cut the stalk of the crops such as corn, sugarcane, and swage set is carefully straight, and cuts
Cut speed fast, the operating efficiency of harvest machinery can be improved.
Above-mentioned several zigzag structures have efficiency high, and the features such as easily operation, but the row of existing cuts unnet simultaneously, sawing
The problems such as laborious and speed is slow.
The content of the invention
Zigzag structure as the widely applied structure of part in production and living, to cannot substitute before such as, and tooth conduct
Topmost position during its work, the life-span of tooth directly determines the service life of zigzag structure, when tooth destruction quantity too
The zigzag structure can not just be applied when many, or even after the destruction of certain structures monodentate, broached-tooth design is just ineffective, so sawtooth
Research have great importance.
Longicorn beetle is a kind of plant-feed insect, and it is often produced in xylophyta ovum, and the larva after hatching can be in timber
Hole, therefore longicorn beetle are inside knocked also referred to as " saw tree youth ", its mouthpart is made up of left and right two parts, and pointed end is mutually mediated,
Hard plant surface can be drilled through, passage is got out in plant, energy is bitten in the firm sharp structure of longicorn beetle mouthpart, good gnawing
Power is relevant with its unique profile, therefore the present invention is using longicorn beetle biting mouthparts as bionical prototype, it is therefore intended that enhancing sawtooth
The sawing speed of shape structure, improves its ability collected, store and discharge chip, improves cutting speed, reduces cutting force.
The present invention is made up of tooth, teeth groove and the back of tooth, and tooth is by cutting position, opening up blade position, chip removal position and embedded angle
Composition, as long as wherein cutting position is by major cutting edge EFH, pair cutting blade e ' f ' h ' and leads cutting blade e " f " h " constitute, major cutting edge EFH, pair
Cutting blade e ' f ' h ' and lead cutting blade e " f " h " be parallel to each other between three；Open up that blade position is main to open up sword Ee ' and pair opens up sword e ' e by master "
Composition, and master opens up sword Ee ' and pair opens up sword e ' e " be respectively connection major cutting edge EFH and pair cutting blade e ' f ' h ', secondary cutting blade e ' f ' h ' and
Lead cutting blade e " f " h " and straight line；Chip removal position is main by chip removal sword EJV and dust lead sword e " jv constitutes, chip removal sword EJV and dust lead sword
Both e " jv are parallel, and embedded angle α is the angle of major cutting edge EFH and chip removal sword EJV.
Major cutting edge EFH and chip removal sword EJV are the contour lines of bionical longicorn mouthpart, and wherein major cutting edge EFH is bionical longicorn mouthful
The inner clip tangent line of device, its equation is:Y=3.283x4+0.903x3+1.242x2-2.699x+0.002
In formula：The span of x is -1≤x≤0, and the span of y is 0.002≤y≤6.502
Chip removal sword EJV is the outer contour of bionical longicorn mouthpart, and its equation is：Y=-0.3706x6+2.9234x5-
7.6333x4+5.7375x3+3.4832x2-0.9719x+0.0146
In formula：The span of x is 0≤x≤2.85, and the span of y is 0.0146≤y≤5.9
Embedded angle α is the tip that bionical longicorn mouthpart has the effect that punctures, and its span is 50 °~55 °
Research is carried out to each angle in longicorn mouthpart cross section and finds that they cut with folder to xylophyta, help and cut and drop resistance respectively
Effect, opened up sword Ee ' and constituted the first blade surface by major cutting edge EFH, pair cutting blade e ' f ' h ' and master；Secondary cutting blade e ' f ' h ', lead cutting blade e "
F " h " and pair open up sword e ' e " constitute the second blade surface；Chip removal sword EJV, dust lead sword e " jv, master opens up sword Ee ' and pair opens up sword e ' e " constitute the
Three blade surfaces；Bionical longicorn mouthpart cross section cuts with folder, helps and cut and drop resistance work successively for first blade surface, the second blade surface and the 3rd blade surface
Angle, the angle for obtaining the first blade surface and the flank of tooth is 45 °, and the second blade surface is 30 ° with the angle of the flank of tooth 4, the 3rd blade surface with
The angle of the flank of tooth is 45 °.
By major cutting edge EFH, pair cutting blade e ' f ' h ' and lead cutting blade e " f " h " constitute classification cutting part by it is traditional once
Cutting becomes the cutting of secondary different angles, and the angle of the first blade surface is 45 °, and the angle of the second blade surface is 30 °, and this classification is cut
Cut, have compared to the once cutting that blade surface is 45 ° and reduce Cutting Drag, enhancing cutting effect, be the one of 30 ° compared to blade surface
Secondary cutting can improve the intensity of major cutting edge, extend the life-span of tooth.
By chip removal sword EJV and dust lead sword e " rows that constitute of jv cut position for the 3rd blade surface 3, and it cuts sword compared to traditional row
Face has preferably drop resistance ability, it is possible to decrease row cuts the frictional resistance at position and plant action, while collecting the effect of chip more
It is good.
It is crown E that described major cutting edge EFH, chip removal sword EJV and master opens up intersection points of the sword Ee ' in space, and crown act as " thorn
Enter " in plant, then recycle embedded angle and master to open up sword Ee ' and " piercings " point is enlarged, increase saw kerf, it is main in the present invention to open up
Sword and pair are opened up sword and are straight line, in sawing with plant direct effect, can strengthen the sawing effect of broached-tooth design, and pair is opened up sword and existed
Master is opened up after sword, and the saw kerf that sword expansion can be opened up to master carries out secondary expansion, strengthens cutting effect.
The radius of described teeth groove Hqv is 0.5mm, and angle is 120 °, and it is located between two teeth, tooth is separated, by cutting
The interdental space that position, teeth groove and row cut position composition is the collecting region of chip, can store the chip under saw, and by sawtooth knot
The overall rotation of structure or reciprocating motion take it out, and can preferably clean swage set and improve cutting efficiency.
Tooth pitch T of the invention is 6mm, and tooth H high is 6.5mm.
Zigzag structure typically chooses the metal materials such as high-speed steel or steel alloy, first processes the block mold of structure, so
Tooth is extruded on model by knob technology afterwards, finally carrying out putting the first edge on a knife or a pair of scissors again etc. just completes processing；Over the entire structure, except tooth and
Other positions of teeth groove are exactly the back of tooth, and its Main Function is multiple teeth is linked together, while support and transmitting forces.
Beneficial effects of the present invention：
Compared with traditional zigzag structure, the present invention is applied on the basis of bionic principle in many places, with monodentate insertion
Depth increases, and sawing speed is fast, can preferably collect, store, discharge it is broken cut, improve operating speed；While zigzag structure
Cutting part, using classification cutting Bionic Design, cutting speed can be improved on the basis of tooth intensity is ensured, reduces cutting force；
The frictional force of sawtooth and plant, makes it more laborsaving in sawing when the Bionic Design that row cuts position can reduce operation.
Brief description of the drawings
Fig. 1 is the schematic diagram of bionical zigzag structure.
Fig. 2 is the front view of bionical zigzag structure.
Fig. 3 is the front view of monodentate in zigzag structure.
Fig. 4 is the A-A sectional views in Fig. 3.
Fig. 5 is the schematic diagram of teeth groove in zigzag structure.
Fig. 6 is the enlarged diagram of teeth groove in zigzag structure.
Fig. 7 is the coordinate schematic diagram of zigzag structure major cutting edge EFH.
Fig. 8 is the coordinate schematic diagram of zigzag structure chip removal sword EJV.
Fig. 9 is the schematic diagram that bionical zigzag structure is used for circular saw.
Figure 10 is the schematic diagram that bionical zigzag structure is used for hand saws.
Specific embodiment
As shown in figure 1, the present invention is made up of tooth, teeth groove and the part of the back of tooth three；Tooth is by cutting position, opening up blade position, row
Bits position and embedded angle composition, position is by major cutting edge EFH, pair cutting blade e ' f ' h ' and leads cutting blade e for cutting " f " h " constitute, major cutting edge
EFH, pair cutting blade e ' f ' h ' and lead cutting blade e " f " h " be parallel to each other between three；Open up blade position and sword Ee ' is opened up and pair opens up sword e ' by master
E " is constituted；Chip removal position is by chip removal sword EJV and dust lead sword e " jv constitutes, chip removal sword EJV and dust lead sword e " both jv is parallel, embedded
Angle α is the angle of major cutting edge EFH and chip removal sword EJV.
It is the straight line for connecting major cutting edge EFH and pair cutting blade e ' f ' h ' that described master opens up sword Ee ', and pair opens up sword e ' e " it is auxiliary connection
Cutting blade e ' f ' h ' and lead cutting blade e " f " h " straight line.
Major cutting edge EFH is inner clip tangent line, and it meets equation:
Y=3.283x4+0.903x3+1.242x2-2.699x+0.002
In formula：The span of x is -1≤x≤0, and the span of y is 0.002≤y≤6.502.
Curves of the major cutting edge EFH in coordinate is as shown in Figure 7.
Chip removal sword EJV is outer contour, and it meets equation：
Y=-0.3706x6+2.9234x5-7.6333x4+5.7375x3+3.4832x2-0.9719x+0.0146
In formula：The span of x is 0≤x≤2.85, and the span of y is 0.0146≤y≤5.9.
Curves of the chip removal sword EJV in coordinate is as shown in Figure 8.
Embedded angle α is the tip with the effect that punctures, and its span is 50 °~55 °
As shown in Fig. 2 major cutting edge EFH, pair cutting blade e ' f ' h ' and master open up sword Ee ' constitutes the first blade surface 1；Secondary cutting blade e ' f '
H ', lead cutting blade e " f " h " and pair open up sword e ' e " constitute the second blade surface 2；Chip removal sword EJV, dust lead sword e " jv, master opens up sword Ee ' and pair is opened up
Sword e ' e " constitute the 3rd blade surface 3；Research is carried out to each angle in longicorn mouthpart cross section and finds that they have folder to xylophyta respectively
Cut, help the effect for cutting and dropping resistance, bionical longicorn mouthpart cross section has successively for the first blade surface 1, the second blade surface 2 and the 3rd blade surface 3
Folder is cut, helps the angle for cutting and dropping resistance effect, and as shown in Figure 3 and Figure 4, the angle for obtaining the first blade surface 1 with the flank of tooth 4 is 45 °, second
Blade surface 2 is 30 ° with the angle of the flank of tooth 4, and the 3rd blade surface 3 is 45 ° with the angle of the flank of tooth 4.
The characteristics of major cutting edge curve EFH is：
Bionical longicorn mouthpart on the feed when the clamping line of cut that plays an important role formed, cut compared to traditional zigzag
Sword, with more preferable cutting effect, monodentate dissection becomes apparent from, while make to be embedded in angle diminish, operationally, embedded speed
Hurry up, insert depth is deeper, when row cuts, to preceding rack saw under it is broken cut " hugging ", collect that broken to cut effect more preferable.
By major cutting edge EFH, pair cutting blade e ' f ' h ' and lead cutting blade e " f " h " constitute classification cutting part by it is traditional once
Cutting becomes the cutting of secondary different angles, and the angle of the first blade surface 1 is 45 °, and the angle of the second blade surface 2 is 30 °, this classification
Cutting, has compared to the once cutting that blade surface is 45 ° and reduces Cutting Drag, enhancing cutting effect, is 30 ° compared to blade surface
Once cutting can improve the intensity of major cutting edge, extend the life-span of tooth.
The characteristics of chip removal sword curve EJV is：There is bionical longicorn mouthpart support and the outer contour of drag reduction effect to be formed,
The side edge of traditional broached-tooth design is eliminated, the bionical longicorn mouthpart row as rear edge and side edge one cuts sword, with stronger drop
Resistance ability, while enhancing its row cuts effect.
By chip removal sword EJV and dust lead sword e " rows that constitute of jv cut position for the 3rd blade surface 3, and it cuts sword compared to traditional row
Face has preferably drop resistance ability, it is possible to decrease row cuts the frictional resistance at position and plant action, while collecting the effect of chip more
It is good.
It is crown E that described major cutting edge EFH, chip removal sword EJV and master opens up intersection points of the sword Ee ' in space, and crown act as " thorn
Enter " in plant, then recycle embedded angle and master to open up sword Ee ' and " piercings " point is enlarged, increase saw kerf, it is main in the present invention to open up
Sword and pair are opened up sword and are straight line, in sawing with plant direct effect, can strengthen the sawing effect of broached-tooth design, and pair is opened up sword and existed
Master is opened up after sword, and the saw kerf that sword expansion can be opened up to master carries out secondary expansion, strengthens cutting effect.
As shown in Figure 5 and Figure 6, the radius r of teeth groove Hqv is 0.5mm, and teeth groove Hqv angles are 120 °, and teeth groove Hqv is located at two
Between tooth, tooth is separated, it is the collecting region of chip to cut the interdental space that position constitutes by cutting part, teeth groove and row, can be stored
Chip under saw, and taken it out by the overall rotation of broached-tooth design or reciprocating motion, can preferably clean swage set and carry
High cutting efficiency.
Zigzag structure typically chooses the metal materials such as high-speed steel or steel alloy, first processes the block mold of structure, so
Tooth is extruded on model by knob technology afterwards, finally carrying out putting the first edge on a knife or a pair of scissors again etc. just completes processing；Over the entire structure, except tooth and
Other positions of teeth groove are exactly the back of tooth, and its Main Function is multiple teeth is linked together, while support and transmitting forces.
As shown in Fig. 2 the tooth pitch T of described zigzag structure is 6mm, tooth H high is 6.5mm.
Fig. 9 is this hair in the schematic diagram of circular saw
Figure 10 is schematic diagram of the present invention for hand saws.
Claims (4)
1. a kind of bionical zigzag structure, it is characterised in that：Including by tooth, teeth groove Hqv and the back of tooth；Tooth is by cutting position, opening up
Blade position, chip removal position and embedded angle composition, position is by major cutting edge EFH, pair cutting blade e ' f ' h ' and leads cutting blade e for cutting " f " h " structure
Into, major cutting edge EFH, pair cutting blade e ' f ' h ' and lead cutting blade e " f " h " be parallel to each other between three；Open up blade position by master open up sword Ee ' and
Pair opens up sword e ' e " composition；Both chip removal position is by chip removal sword EJV and dust lead sword e " jv constitutes, chip removal sword EJV and dust lead sword e " jv
Parallel, embedded angle α is the angle of major cutting edge EFH and chip removal sword EJV；
It is the straight line for connecting major cutting edge EFH and pair cutting blade e ' f ' h ' that described master opens up sword Ee ', and pair opens up sword e ' e " it is auxiliary connection cutting blade
E ' f ' h ' and lead cutting blade e " f " h " straight line；
Major cutting edge EFH is inner clip tangent line, and it meets equation:
Y=3.283x4+0.903x3+1.242x2-2.699x+0.002
In formula：The span of x is -1≤x≤0, and the span of y is 0.002≤y≤6.502
Chip removal sword EJV is outer contour, and it meets equation：
Y=-0.3706x6+2.9234x5-7.6333x4+5.7375x3+3.4832x2-0.9719x+0.0146
In formula：The span of x is 0≤x≤2.85, and the span of y is 0.0146≤y≤5.9
Embedded angle α is the tip with the effect that punctures, and its span is 50 °~55 °.
2. a kind of bionical zigzag structure according to claim 1, it is characterised in that：Described major cutting edge EFH, secondary cutting blade
E ' f ' h ' and master open up sword Ee ' and constitute the first blade surface (1)；Secondary cutting blade e ' f ' h ', lead cutting blade e " f " h " and pair open up sword e ' e " constitute the
Two blade surfaces (2)；Chip removal sword EJV, dust lead sword e " jv, master opens up sword Ee ' and pair opens up sword e ' e " constitute the 3rd blade surface (3)；First blade surface
(1) it is 45 ° with the angle of the flank of tooth (4), the second blade surface (2) is 30 ° with the angle of the flank of tooth (4), the 3rd blade surface (3) and the flank of tooth (4)
Angle be 45 °.
3. a kind of bionical zigzag structure according to claim 1, it is characterised in that：The radius of described teeth groove Hqv is
The angle of 0.5mm, teeth groove Hqv is 120 °, and teeth groove Hqv is located between two teeth, and tooth is separated.
4. a kind of bionical zigzag structure according to claim 1, it is characterised in that：The tooth pitch of described zigzag structure
T is 6mm, and tooth H high is 6.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710155291.5A CN106863481B (en) | 2017-03-16 | 2017-03-16 | A kind of bionical zigzag structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710155291.5A CN106863481B (en) | 2017-03-16 | 2017-03-16 | A kind of bionical zigzag structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106863481A true CN106863481A (en) | 2017-06-20 |
| CN106863481B CN106863481B (en) | 2019-02-26 |
Family
ID=59171265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710155291.5A Expired - Fee Related CN106863481B (en) | 2017-03-16 | 2017-03-16 | A kind of bionical zigzag structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106863481B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108787107A (en) * | 2018-08-27 | 2018-11-13 | 吉林大学 | A kind of corrosion-resistant branch crushing knife tool of imitative beaver front tooth structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09216121A (en) * | 1996-02-14 | 1997-08-19 | Tsune Wagner Carbide:Kk | Round saw |
| CN104400838A (en) * | 2014-11-21 | 2015-03-11 | 吉林大学 | Bionic disk saw |
| CN104982138A (en) * | 2015-06-05 | 2015-10-21 | 农业部南京农业机械化研究所 | Reed harvester bionic cutting blade and manufacturing method thereof |
-
2017
- 2017-03-16 CN CN201710155291.5A patent/CN106863481B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09216121A (en) * | 1996-02-14 | 1997-08-19 | Tsune Wagner Carbide:Kk | Round saw |
| CN104400838A (en) * | 2014-11-21 | 2015-03-11 | 吉林大学 | Bionic disk saw |
| CN104982138A (en) * | 2015-06-05 | 2015-10-21 | 农业部南京农业机械化研究所 | Reed harvester bionic cutting blade and manufacturing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108787107A (en) * | 2018-08-27 | 2018-11-13 | 吉林大学 | A kind of corrosion-resistant branch crushing knife tool of imitative beaver front tooth structure |
| CN108787107B (en) * | 2018-08-27 | 2019-05-21 | 吉林大学 | A kind of corrosion-resistant branch crushing knife tool of imitative beaver front tooth structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106863481B (en) | 2019-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6125544A (en) | Pruning saw | |
| US9884380B2 (en) | Saw blade with multiple tangs | |
| CN106863481B (en) | A kind of bionical zigzag structure | |
| US20050229407A1 (en) | Curved saw | |
| CN203843937U (en) | Special saw chain for cutting tree root | |
| CN102480918A (en) | A hedge trimmer and a blade therefore | |
| CN104982138B (en) | A kind of bionical cutting blade of reed harvester and its manufacture method | |
| EP3401048A1 (en) | Saw blade for a saw for cutting stemular stalks | |
| CN201008280Y (en) | Multi-function grafting knife | |
| CN211322155U (en) | Walnut tree girdling handsaw | |
| CN201192007Y (en) | Tree trimming saw | |
| CN201403319Y (en) | Novel special mowing blade of mowing machine | |
| CN209914526U (en) | Inverted trapezoidal ring peeling tool bit | |
| US2017447A (en) | Cutting tool | |
| US1194044A (en) | Howard h | |
| CN207026620U (en) | Double saw | |
| CN208446144U (en) | Pruner set of blades | |
| CN207219423U (en) | Sugar-cane cutting machine cutter device | |
| CN101554124A (en) | Blade of shearing machine for branches and leaves | |
| CN212629294U (en) | Girdling saw for jujube tree | |
| CN204721855U (en) | The bionical cutting blade of a kind of reed harvester | |
| KR101429386B1 (en) | The Branches cut only with the top of the structure and And molding method of the blade | |
| CN202640476U (en) | Woodworking saw | |
| CN102699956B (en) | Carpenter's saw | |
| CN220515615U (en) | Saw blade with positive and negative teeth combined |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190226 Termination date: 20210316 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |