CN1528549A - Cutter blade - Google Patents
Cutter blade Download PDFInfo
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- CN1528549A CN1528549A CNA2003101163008A CN200310116300A CN1528549A CN 1528549 A CN1528549 A CN 1528549A CN A2003101163008 A CNA2003101163008 A CN A2003101163008A CN 200310116300 A CN200310116300 A CN 200310116300A CN 1528549 A CN1528549 A CN 1528549A
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- damping
- damping material
- lamellar body
- solid
- blade
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Abstract
The invention relates to a cutting blade, including blade, and setting damping body on the blade body outside the cutting surface. The blade vibration forces the damping body to produce distortion which gives priority to shearing, and the distortion converts blade vibrating energy into heat energy, effectively reducing the blade vibration and noise pollution.
Description
Technical field
The invention belongs to the employed blade of field of machining, especially relate to a kind of blade that has sawtooth that cutting processing such as timber, stone, metal are used that is used for.
Background technology
Blade as cutting, processing etc. are used can be divided into strip or discoid, and it comprises lamellar body, and the edge of lamellar body is blade or sawtooth, and the surface of lamellar body mostly is the plane greatly.Blade is when work, and especially the circular knife of mechanization can produce violent vibration, and the blade vibration brings noise.The existence of noise both had been unfavorable for the healthy of workman, had also polluted environment.
In order to address the above problem, produced the technical scheme that acoustic hood is set for this reason.Though this can reduce certain noise, do not solve blade vibration, blade noise problem from the source of vibration.According to structural mechanics, the damping of increase structure is the vibrational energy of absorbing structure effectively, suppresses structural vibration.Blade is the low resistance structure, very easily vibration and sounding.But blade is the parts of high-speed motion, and general elastomeric material such as General Purpose Rubber and the metallic lead of working in the elastic region all can not provide enough effective dampings.This situation has caused the blade vibration, and technical problems such as blade noise are perplexing those skilled in the art for a long time and can't solve.
Summary of the invention
The objective of the invention is to overcome above-mentioned defective, a kind of damping that enlarges markedly blade is provided, thereby can effectively absorb the blade of blade vibrational energy.
The present invention is achieved in that it comprises lamellar body, and the damping body that is made of damping material is set on the lamellar body beyond the cutting face.
The said damping material of the present invention is different from general elastomeric material or the lead of plasticity damping is greatly only arranged when large deformation.It comprises any material that enough dampings can be provided, divide solid damping material and fluid damping material two big classes, the solid damping material comprises viscoplasticity and viscoplastic macromolecular material, as have rubber, high-damping polyurethane, a superplasticity silicone rubber than high damping, asphalt rubber, and operating temperature under be solid-state damping modification asphalt-based material etc., these damping materials have higher damping ratio; The fluid damping material comprises the viscous liquid with viscosity higher, for example is the modified pitch of viscous state etc. under silicone oil and the operating temperature.Damping material of the present invention also comprises with above-mentioned damping material and is matrix, is added with the material of other filler, as add short fiber, mica powder etc. and can increase the damping material internal damping, adding rubber powder can increase the elasticity of material, adds the heat conductivility that metallic fiber can increase material.
The said a kind of damping body of the present invention is meant the solid of one deck at least damping material that is arranged on the planar chip surface, and wherein being symmetricly set on the lamellar body both sides is preferred version; The solid damping material can be coupled as one by modes such as chemical bonding, hot melting cohesion, sulfuration, cast, clamping, spraying and coating and lamellar body.
The said another kind of damping body of the present invention, be meant the damping structure that is arranged on the planar chip surface, this damping structure is made of damping material and obligatory point from inside to outside successively, the big material of the first-selected ratio of rigidity damping material of obligatory point, and wherein being symmetricly set on the lamellar body both sides is preferred version.
A kind of damping structure in this damping body, its obligatory point is tabular, and its edge is sealedly connected on the lamellar body, such as welding, forms airtight chamber, and the solid damping material is positioned at this chamber.
Another kind of damping structure in this damping body, its damping structure is by one deck solid damping material and tabular obligatory point are formed at least, tabular obligatory point is fixed on the solid damping material on the lamellar body by the securing member that penetrates lamellar body, securing member can be a bolt, also can be screw, riveted joint or the spot welding of more optimizing.This damping structure can be made into self-existent form, it can constitute detachable flexibly connected mode with lamellar body, not only can according to circumstances determine whether to select to use to assemble, the also influence that can not scrapped by blade itself, and use repeatedly, thereby improve convenience of using and saving property greatly.。
Another damping structure in this damping body, its obligatory point is tabular, and its edge is sealedly connected on the lamellar body, forms airtight chamber, and the fluid damping material is positioned at this chamber, is tightly connected to adopt welding.
In order to eliminate the uncertainty of the chamber spacing of bringing because of the flowability of fluid damping material, the spacing part can be set in chamber at interval, the spacing part is for connecting block, latticed thing, the bar of chamber two walls, or the projection of obligatory point self, from damping and sealingly secure angle, can cut apart the latticed of damping body place chamber or strip spacing part is a preferred version.For not influencing damping, the spacing part is preferentially selected the solid damping material for use.
Because blade produces huge centrifugal force in high-speed motion, damping material is exerted pressure to obligatory point by its effect, in order to overcome above-mentioned action of centrifugal force, guarantee the connection between two walls, need take into full account the bonding strength of spacing part, should be welded as a whole with the wheel body as the spacing part of obligatory point self convex type.
Such scheme mainly is the improvement of being carried out at existing plane formula blade, based on the design that damping body is set, also can carry out certain change to lamellar body itself, has reached the effect that realizes damping.Specifically can adopt following scheme, but not only be confined to following proposal.
One is provided with blind hole or through hole on lamellar body, fill the solid damping material in the hole, forms damping body.
Through hole on its median plate body is that slit is a kind of preferred version, this slit radially or circumferencial direction linearly or the curve setting; The two ends of slit are the termination of rounding off, at the outer surface of the damping material that is arranged in slit wear-resistant protective layer are set.
Its two, blind hole or through hole are set on lamellar body, in the hole, fill solid or fluid damping material, the both sides of corresponding damping material are provided with the clamping restraining plate that connects with lamellar body, form damping body.
Its three, lamellar body is for radially split type, damping body is solid or the fluid damping material that is arranged on branch body component link surface place.
Above-mentioned various forms of damping body can be an integral body, also can be a plurality of, especially big or small identical a plurality of circles, fan-shaped, annular etc., and it evenly distributes, and is the circumference symmetry.
Above-mentioned damping structure in the bind mode of lamellar body except adopt bolt, screw, riveted joint or spot welding fastening, can also be that the solid damping material can be by modes and lamellar body or obligatory point connections such as chemical bonding, hot melting cohesion, sulfuration, cast, clamping, spraying and coatings.
Effective effect of the present invention is: after blade adopts above-mentioned damping structure, when work, the vibration that blade produced, force that damping body produces to be cut into main distortion, damping body is because its damping characteristic produces the resistance opposite with deformation direction, the vibrational energy of blade is converted into heat energy, reduced the vibration that blade produced effectively, because vibration is the source of noise, noise also reduces significantly, especially noise that be difficult to eliminate of conventional method has alleviated in the blade work process to operating personnel's noise infringement with to the pollution of environment.
The present invention be directed to blade, the technical scheme of the increase damping that especially saw blade proposed based on this design, also can be used similar scheme on the disc type object that runs up, to reach the purpose of noise reduction.
Description of drawings
Fig. 1 is one of structural representation of the present invention;
Fig. 2 is two of a structural representation of the present invention;
Fig. 3 is three of a structural representation of the present invention;
Fig. 4 is four of a structural representation of the present invention;
Fig. 5 is five of a structural representation of the present invention;
Fig. 6 is six of a structural representation of the present invention;
Fig. 7 is that the K of Fig. 6 is to view;
Fig. 8 is seven of a structural representation of the present invention;
Fig. 9 is eight of a structural representation of the present invention;
Figure 10 is nine of a structural representation of the present invention;
Figure 11 is ten of a structural representation of the present invention;
Figure 12 is the A-A sectional drawing of Figure 11;
Figure 13 is 11 of a structural representation of the present invention;
Figure 14 is the B-B sectional drawing of Figure 13.
Among the figure, 11 is lamellar body, and 12 is sawtooth; 21 is the solid damping material, and 22 are the fluid damping material; 3 is tabular obligatory point; 4 is bolt; 5 is the spacing part; 6 is wear-resistant protective layer.
The specific embodiment
Embodiment 1
Referring to Fig. 1, blade of the present invention is a disc type, and it comprises lamellar body 11, and its edge is a sawtooth 12, is symmetrical arranged damping body in the sheet surface, and damping body is one deck solid damping material 21.The solid damping material specifically can be a damping rubber, and it can be coupled as one by modes such as sulfuration, bonding, spraying and lamellar body.
The blade of this structure, in use, the vibration that blade produced, force that damping body produces to be cut into main distortion, damping body is because its damping characteristic produces the resistance opposite with deformation direction, the vibrational energy of blade is converted into heat energy, has reduced the vibration that blade produced effectively, alleviated pollution environment.
In actual use, it is thinner relatively as the solid damping material, is made of one or more layers, also can only be with forms such as sprayings attached to the coating on the lamellar body, comprise that the back side of sawtooth can be provided with coating.
Embodiment 2
Referring to Fig. 2, blade of the present invention is a disc, and damping body is the damping structure that is symmetricly set on lamellar body 11 both sides, outwards is made of solid damping material 21 and obligatory point 3 successively in this damping structure has.Damping material can be to be matrix by being solid-state damping modification pitch under the normal temperature, adds the damping material that rubber powder, talcum powder, mica powder etc. are made, and the centre clamps one deck high-intensity fiber net and makes the damping coiled material, calls modified pitch damping coiled material in the following text.It is solid-state that this solid damping material is viscoplasticity at normal temperatures, and the heating back is a thick liquid.Obligatory point 3 is the bigger aluminium sheet of rigidity, color steel or corrosion resistant plate, or the section bar of engineering plastics extrusion molding, that is restraining plate, hot melt is pasted one deck solid damping material 21 modified pitch damping coiled materials at least, make damping structure, then in the direct welded connection in the both sides of lamellar body 11.
Referring to Fig. 3, relative embodiment 2, blade of the present invention is the saw blade formula, a damping structure is wrapped up in sheet surface beyond sawtooth, this damping structure is made of solid damping material and restraining plate 3, for the fastness that guarantees to connect, projection is set on restraining plate, this projection is welded as a whole as spacing part 5 and lamellar body, and this projection promptly constitutes a solder joint.
Referring to Fig. 4, as different from Example 2, its damping structure is by one deck solid damping material 21 and tabular obligatory point 3 are formed at least, this damping structure is the side that an integral body is arranged on lamellar body 11 ringwise, and tabular obligatory point 3 is fixed on solid damping material 21 on the lamellar body by the screw 4 that penetrates lamellar body.When reality was used, the mode of screw connection, riveted joint or electric welding connect and fixing also can adopt.This connected mode can be so that damping body difficult drop-off during with the blade high-speed motion have guaranteed the security of using.
This damping structure also can be made into self-existent form, solid damping material and obligatory point are coupled as one by modes such as sulfurations, it is shaped as and corresponding annular of disc type blade etc., the edge blow-by, the centre bore of restraining plate and lamellar body is isometrical, adopts with lamellar body to constitute detachable flexibly connected mode, such as screw in compression, even do not use housing screw, directly utilize to install and fix the centre bolt that saw blade uses and compress.So not only can according to circumstances determine whether to select to use to assemble, the also influence that can not scrapped by blade itself, and use repeatedly; Thereby improve convenience of using and saving property greatly.
Referring to Fig. 5, embodiment 2 is fluid damping material 22 in the damping structure relatively, and it is arranged on the one side of lamellar body.
Damping material in this example is a silicone oil, when obligatory point rigidity is big, in the chamber spacing part can be set.Otherwise, should the spacing part be set at the annular seal space partition.The spacing part also can be the projection of obligatory point 3 self, and this projection and lamellar body are welded as a whole.This damping structure can be an integral body, ringwise, also can be made up of a plurality of, is shape such as fan-shaped, and its size can be identical, also can be different.They can be arranged on the one side of lamellar body, also can be arranged on the two sides of lamellar body simultaneously, still from the angle analysis of centrifugal force, need to guarantee the circumference symmetric configuration.
Solid damping material and fluid damping material compared, be all damping material, but both are used for the damping of blade is discrepant, be embodied in: can connect by modes such as stickup, sulfurations between solid damping material and the metallic plate, but growth along with service time, damping material might break away from lamellar body, so just reduced damping, then there is not this problem in the fluid damping material, only need carry out sealing, just in case it also is progressive leaking, and pre-warning time is arranged, therefore be to find easily.In addition, the elasticity gradient of fluid damping material and steel is bigger, and the elastic impedance that vibration is transmitted is bigger, and effectiveness in vibration suppression is better.
Referring to Fig. 6,7, the difference of lamellar body and the foregoing description is that it no longer is a complete and continuous body, but on lamellar body 11, through hole is set, fill solid damping material 21 in the through hole, the both sides of corresponding solid damping material are provided with the clamping restraining plate 3 that connects with lamellar body, form damping body; The through hole of this filling damping material has a plurality of, is distributed in the surface of lamellar body ringwise symmetrically.
Except the solid damping material, also can adopt the fluid damping material, simultaneously the restraining plate of sandwich need with the lamellar body sealed connection.
Embodiment 7
Referring to Fig. 8, embodiment 6 is provided with blind hole on lamellar body 11 relatively, also is shrinkage pool, fills solid damping material 21 in the blind hole, can be that hot melt connects, and forms damping body.This damping body can be continuous one, also can be interrupted a plurality of, is the circumference symmetric arrays.
This blind hole also can be to adopt the mode of punching press to form, and corresponding relief region occurs on the two sides of lamellar body like this, and the solid damping material then is filled in the sunk area, and it can adopt mode such as sulfuration and lamellar body to be coupled as one.
Embodiment 8
Referring to Fig. 9, relative embodiment 7, this embodiment are the extensions that flat mouthful restraining plate is set on blind hole, damping material 21 is not is not filled and led up depression, restraining plate as lamellar body 11 parts seals it like this, forms sealed connection, and damping material becomes sandwich type structural.
Referring to Figure 10, relative embodiment 6, through hole is a slit, and it radially is provided with radially along lamellar body 11, and it has inside and outside two circles, distributes symmetrically, and 21 sulfurations of solid damping material are in each slit, and are concentrated for reducing stress, and two terminations of slit are circular.
Embodiment 10
Referring to Figure 11,12, relative embodiment 9, slit not only is disposed radially, and also along the circumferential direction is provided with simultaneously.The length of slit is not limited to unanimity, but must satisfy the requirement of circumference symmetry.Slit is perpendicular to the sheet surface; be filled in solid damping material and lamellar body flush in the slit; outer surface at solid damping material 21 is provided with wear-resistant protective layer 6; because the slit damping body has a plurality of; therefore wear-resistant protective layer can cover the surface of lamellar body fully, can certainly only be that the slit place is provided with the wear-resistant protective layer that covers the solid damping material.For not influencing damping, this protective layer can be selected wear-resisting damping coating for use.
Referring to Figure 13,14, relative embodiment 10, slit is a curve, be the setting of impeller shape, and slit favours the sheet surface.So comparatively speaking, in the lamellar body more damping material can be set, further improve damping.The solid damping material that is filled in the slit is lower than the sheet surface, at the outer surface setting of solid damping material 21 and the wear-resistant protective layer 6 of lamellar body flush.
Claims (13)
1. blade, it comprises lamellar body, it is characterized in that being provided with on the lamellar body beyond the cutting face damping body that is made of damping material.
2. blade according to claim 1 is characterized in that damping body is the solid of one deck at least damping material that is arranged on the planar chip surface.
3. blade according to claim 1 is characterized in that damping body is the damping structure that is arranged on the planar chip surface, and this damping structure is made of damping material and obligatory point from inside to outside successively.
4. blade according to claim 3 is characterized in that obligatory point is tabular, and its edge is sealedly connected on the lamellar body, forms airtight chamber, and solid damping material or fluid damping material are positioned at this chamber.
5. blade according to claim 3 is characterized in that damping structure is made up of one deck solid damping material and damper restriction body at least, and the damper restriction body is fixed on the solid damping material on the lamellar body by securing member.
6. blade according to claim 1 is characterized in that blind hole or through hole are set on lamellar body, fills the solid damping material in the hole, forms damping body.
7. blade according to claim 6 is characterized in that the through hole on the lamellar body is a slit, this slit radially or circumferencial direction linearly or the curve setting.
8. blade according to claim 7, the two ends that it is characterized in that slit on the lamellar body are the termination of rounding off, at the outer surface of the damping material that is arranged in slit wear-resistant protective layer are set.
9. blade according to claim 1 is characterized in that blind hole or through hole are set on lamellar body, fills solid or fluid damping material in the hole, and the both sides of corresponding damping material are provided with the clamping restraining plate that connects with lamellar body, form damping body.
10. blade according to claim 1 is characterized in that lamellar body for radially split type, and damping body is solid or the fluid damping material that is arranged on branch body component link surface place.
11. according to each described blade of claim 1～10, it is a plurality of to it is characterized in that damping body has, it distributes symmetrically.
12. blade according to claim 11 is characterized in that the solid damping material connects by modes such as self-adhesion, chemical bonding, hot melting cohesion, sulfuration, cast, clamping, spraying and coating and lamellar body or obligatory point.
13. blade according to claim 12 is characterized in that the annular seal space partition is provided with the spacing part, the spacing part is the projection of block, latticed thing, bar or the obligatory point self of connection chamber two walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2003101163008A CN1528549A (en) | 2003-10-11 | 2003-11-12 | Cutter blade |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200310105309.9 | 2003-10-11 | ||
| CN200310105309 | 2003-10-11 | ||
| CNA2003101163008A CN1528549A (en) | 2003-10-11 | 2003-11-12 | Cutter blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1528549A true CN1528549A (en) | 2004-09-15 |
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ID=34314858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2003101163008A Pending CN1528549A (en) | 2003-10-11 | 2003-11-12 | Cutter blade |
Country Status (1)
| Country | Link |
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| CN (1) | CN1528549A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104400839A (en) * | 2014-11-19 | 2015-03-11 | 辽宁科技大学 | Vibration reduction hole saw for cutting large hole of wood board |
| CN107234284A (en) * | 2017-07-19 | 2017-10-10 | 张家港市锐正精密工具有限公司 | A kind of vibration damping metal saw |
| JP2021183377A (en) * | 2018-03-07 | 2021-12-02 | 有限会社ヨシダ | Rotary reducing noise and vibration |
-
2003
- 2003-11-12 CN CNA2003101163008A patent/CN1528549A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104400839A (en) * | 2014-11-19 | 2015-03-11 | 辽宁科技大学 | Vibration reduction hole saw for cutting large hole of wood board |
| CN107234284A (en) * | 2017-07-19 | 2017-10-10 | 张家港市锐正精密工具有限公司 | A kind of vibration damping metal saw |
| JP2021183377A (en) * | 2018-03-07 | 2021-12-02 | 有限会社ヨシダ | Rotary reducing noise and vibration |
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