CN207581942U - A kind of tool with cutting edge - Google Patents
A kind of tool with cutting edge Download PDFInfo
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- CN207581942U CN207581942U CN201721209311.4U CN201721209311U CN207581942U CN 207581942 U CN207581942 U CN 207581942U CN 201721209311 U CN201721209311 U CN 201721209311U CN 207581942 U CN207581942 U CN 207581942U
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- cladding layer
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Abstract
The utility model discloses a kind of tools with cutting edge, including the matrix being used to support and are used to form the cladding layer of cutting edge and connect the transition region of matrix and cladding layer；Matrix is made of the first material, and the first material is the stainless steel of hardening, and with first side；Cladding layer is made of the second material, and the second material includes tungsten carbide, titanium carbide, chromium carbide, vanadium carbide, aluminium oxide, at least one of zirconium oxide compound or including at least one of carbon and tungsten, titanium, chromium, vanadium these four metallic monomers；Second material further includes nickel and/or cobalt；Transition region is the region for being combined the first material formed between cladding layer and matrix while forming cladding layer in the second material cladding to first side with the second material metallurgical state by laser melting coating mode.The characteristics of tool with cutting edge of the utility model has both blade good toughness, and edge hardness is high, and blade and blade are not easy to disconnect, service life is long.
Description
Technical field
The utility model is related to a kind of tool with cutting edge, it is more particularly to a kind of by Laser Cladding Treatment in cutting edge
Surface forms the obtained tool of cladding layer, realize the tool have both cutting edge high rigidity and high-wearing feature and blade or other
The high tenacity at position.
Background technology
Tool with cutting edge is used to that object to be cut or sheared, such as various cutters, aviation shears, the pincers with blade
Son etc..Traditional stainless steel-like cutter (as singly operated on) is mostly (including but not limited to following using whole martensitic stain less steel
20Cr13,30Cr13,40Cr13,50Cr15MoV, 68Cr17,95Cr18,90Cr18MoV etc.) it is matrix, it is whole after punching blanking
Body heat processing, then puts the first edge on a knife or a pair of scissors, assembles.If singly operated on using whole Low Carbon Martensite Stainless Steel (such as 20Cr13,30Cr13),
So it is good singly to operate on matrix toughness for such, but edge hardness is relatively low, and wearability is poor, the practical cutting life of whole blade compared with
It is low.And if singly operated on using whole high carbon martensite stainless steel (such as 95Cr18,90Cr18MoV), then its cutting edge it is hard
Degree, wearability are promoted, and the practical cutting life of whole blade is promoted, but integral knife blade brittleness is larger, is easily broken off when falling, and
And the unit cost of raw material of high carbon martensite stainless steel is higher, the market competitiveness is poor.
Traditional aviation shears mostly using Integral alloy structural steel, tool steel, spring steel (include but not limited to 50CrMo,
6CrW2Si, 60Si2Mn, 60Si2Cr, 60Si2CrV, 60CrMn etc.) for matrix, bulk heat treatmet after hot-forging forming, Ran Houkai
Sword, assembling.Shock resistance/toughness of aviation shears its matrix obtained using this method is preferable, but the wearability of cutting edge is poor, practical
It is relatively low to shear the service life.
If the making material selected can only also obtain cutter or aviation shears matrix toughness between high rigidity and high tenacity
Balance between edge hardness, but both do not achieve the effect that best.Others with cutting edge tools there is also
The defects of with cutter and similar aviation shears.
Therefore, those skilled in the art, which is dedicated to developing, has both cutting edge high rigidity and high-wearing feature, and other positions are high
Toughness, the tool with cutting edge of service life length.
Utility model content
In view of the drawbacks described above of the prior art, the technical problem to be solved by the utility model is to provide one kind to have both sword
Mouth high rigidity and high-wearing feature, and other position high tenacity, the tool with cutting edge of service life length.
The utility model provides a kind of tool with cutting edge, including the matrix being used to support and is used to form the molten of cutting edge
Coating and the transition region of connection matrix and cladding layer；
Matrix is made of the first material, and the first material is the stainless steel of hardening, and with first side；
Cladding layer is made of the second material, the second material include tungsten carbide, titanium carbide, chromium carbide, vanadium carbide, aluminium oxide,
At least one of zirconium oxide compound or including at least one of carbon and tungsten, titanium, chromium, vanadium these four metallic monomers；
Second material further includes nickel and/or cobalt；
Transition region be by laser melting coating mode will in the second material cladding to first side formed cladding layer while
The region that the first material formed between cladding layer and matrix is combined with the second material metallurgical state.
Further, the depth of cladding layer is 0.2~6.0mm, preferably 1.0~3.0mm.
Further, cladding layer has the first edge for cutting or shearing, and first edge is smooth or zigzag
's.
Further, tool with cutting edge using the manufacturing method manufacture of the tool as described above with cutting edge and
Into.
Further, the tool with cutting edge is cutter, saw, axe, aviation shears or the pliers with cutting edge.
In a specific embodiment, the second material further includes nickel and cobalt.
In another embodiment, the second material includes tungsten carbide, titanium carbide, chromium carbide, vanadium carbide, oxidation
At least one of aluminium, zirconium oxide compound further includes at least one in carbon and tungsten, titanium, chromium, vanadium these four metallic monomers
Kind.
In another specific embodiment, the second material includes tungsten carbide, titanium carbide, chromium carbide, vanadium carbide, oxidation
At least one of aluminium, zirconium oxide compound further includes at least one in carbon and tungsten, titanium, chromium, vanadium these four metallic monomers
Kind, further include nickel and cobalt.
Further, the carbon, the tungsten, the titanium, the chromium, the vanadium are powdery.
Further, the first material include martensitic stain less steel, structural alloy steel, tool steel and spring steel in one kind or
Person is a variety of.
Further, laser melting coating mode refers to is moved by laser in the laser power of setting and the laser head of setting
Fusing point in the second material is less than the material melts for the laser temperature that laser generates under speed and carries fusing point higher than laser
The substance of temperature, which is attached in first side, forms cladding layer；First side and its first material close to first side exist simultaneously
Laser temperature effect is lower to melt and is combined to form transition region with the second material metallurgical state close to first side；In second material
Fusing point is higher than the substance Dispersed precipitate of laser temperature in cladding layer.
Further, the hardness of cladding layer is higher more than 10HRC than the hardness of matrix.
The preparation method of tool provided by the utility model with cutting edge includes：
First material is provided, is used to form matrix, and with first side；
Second material is provided, cladding layer will be formed in the second material cladding to first side using laser melting coating mode, and
The transition region that the first material is combined with the second material metallurgical state is formed between cladding layer and matrix.
In a specific embodiment, the second material include tungsten carbide, titanium carbide, chromium carbide, vanadium carbide, aluminium oxide,
At least one of zirconium oxide compound or including at least one of carbon and tungsten, titanium, chromium, vanadium these four metallic monomers；
Second material further includes nickel and/or cobalt.
Preferably, the second material is included in tungsten carbide, titanium carbide, chromium carbide, vanadium carbide, aluminium oxide, zirconium oxide at least
A kind of compound or including at least one of carbon and tungsten, titanium, chromium, vanadium these four metallic monomers；Second material further includes
Nickel and cobalt.
In another embodiment, the second material includes tungsten carbide, titanium carbide, chromium carbide, vanadium carbide, oxidation
At least one of aluminium, zirconium oxide compound further includes at least one in carbon and tungsten, titanium, chromium, vanadium these four metallic monomers
Kind, further include nickel and/or cobalt.
Preferably, the second material is included in tungsten carbide, titanium carbide, chromium carbide, vanadium carbide, aluminium oxide, zirconium oxide at least
A kind of compound further includes at least one of carbon and tungsten, titanium, chromium, vanadium these four metallic monomers, further includes nickel and cobalt.
Further, the first material is quenching hardening steel.
Preferably, the first material include martensitic stain less steel, structural alloy steel, tool steel and spring steel in one kind or
It is a variety of.
Further, martensitic stain less steel be selected from 20Cr13,30Cr13,40Cr13,50Cr15MoV, 68Cr17,
95Cr18、90Cr18MoV。
In a specific embodiment, the first material be selected from 50CrMo, 6CrW2Si, 60Si2Mn, 60Si2Cr,
60Si2CrV、60CrMn。
Further, laser melting coating mode refers to is moved by laser in the laser power of setting and the laser head of setting
Fusing point in the second material is less than the material melts for the laser temperature that laser generates under speed and carries fusing point higher than laser
The substance of temperature, which is attached in first side, forms cladding layer；First side and its first material close to first side exist simultaneously
Laser temperature effect is lower to melt and is combined to form transition region with the second material metallurgical state close to first side.
Further, fusing point is higher than the substance Dispersed precipitate of laser temperature in cladding layer in the second material.
Preferably, fusing point is uniformly distributed in higher than the substance of laser temperature in cladding layer in the second material.
Further, laser CO2Gas laser, YAG solid state lasers, optical fiber laser or DIODE semiconductors
Laser.
Further, laser power >=1000W, laser head movement speed is 2.0~15.0mm/s during cladding.
Further, manufacturing method further includes：
After laser melting coating, tool blank is subjected to vacuum hardening, hardening heat is 850~1250 DEG C, and hardening media is quenches
Kerosene or inert gas；
After the completion of quenching, tool blank is subjected to vacuum tempering, temperature is 200~600 DEG C, and soaking time 2~8 is small
When.
Further, manufacturing method further includes：
Before laser melting coating, tool blank is subjected to vacuum hardening, hardening heat is 850~1250 DEG C, and hardening media is quenches
Kerosene or inert gas；
After the completion of quenching, tool blank is subjected to vacuum tempering, temperature is 200~600 DEG C, and soaking time 2~8 is small
When.
Further, manufacturing method further includes：
After laser melting coating, quenching, tempering, tool blank is subjected to grinding blade；
Assembling, packaging.
Further, the hardness of cladding layer is higher more than 10HRC than the hardness of matrix.
Its matrix toughness for being used to support of the tool with cutting edge of the utility model is good, while is used to form the molten of cutting edge
Coating hardness is high, wearability is high.Using the first material in the utility model and the second material and laser cladding method, obtain
Cladding layer, matrix near transition region and transition region metallographic structure without hole, this shows laser melting coating effect and connection
Effect is good, therefore transition region intensity is higher, it is not easy to fracture；The strong tensile strength of matrix is remained simultaneously；And it melts
The carbide particle of high rigidity, high-wearing feature is distributed in coating, improves the hardness and wearability of cutting edge, so that the cutting edge
It is more durable.
It is made up of above-mentioned metal material and process, the tool with cutting edge of acquisition, blade hardness is in 48-
54HRC, edge hardness improve more than 10HRC than matrix, averagely improve 15HRC in 60-70HRC, the hardness of cladding layer.It is simultaneous
Have the high tenacity of support section and the high rigidity and high-wearing feature of cutting edge portion, durability degree is substantially increased in more than 240mm
The service life of the tool.
In addition, be conducive to the more preferable of solid-liquid combination using nickel and cobalt simultaneously in the second material.In laser cladding process, the
Fusing point is molten into liquid less than the substance of laser temperature in two materials, and fusing point keeps solid powder higher than the substance of laser temperature
Shape structure.If the substance for being molten into liquid can be combined preferably with the solid powder/particle not being melted, be conducive in cladding layer
High rigidity, high-wearing feature the solid powder/particle not being melted be uniformly distributed.Since nickel and cobalt are different metal element, they are melted
Point is less than laser temperature, and mixed liquor after liquid is molten into is easier than single liquid so that solid is wetted, i.e.,
The angle of wetting smaller of generation, the smaller then solid-liquid combination of angle of wetting is better, so that solid-liquid combination is more preferable.
Secondly, the second material includes at least one of carbon and tungsten, titanium, chromium, vanadium these four metallic monomers, and is powder
Shape, is also beneficial to high rigidity, the powder of high-wearing feature is uniformly distributed or Dispersed precipitate is in cladding layer, and cutting edge is improved so as to whole
Hardness and wear resistance.High rigidity, high-wearing feature powder be evenly distributed and restricted by two conditions：First, particle size；Two
It is mixing condition.Particle is less susceptible to be evenly distributed more greatly.If life is reacted with metallic monomer by carbon in laser cladding process
Into carbide (such as carbon dust and tungsten powder reaction generation tungsten carbide in fusion process), then carbide can be generated in molecule rank,
So that the particle smaller of carbide, less than the carbide finished product being directly added into.The grain size of carbide finished product is listed by market
The limitation of product cut size size, be not as so readily controlled as the carbide grain size that laser cladding process individually reacts generation.Therefore
Second material includes at least one of carbon and tungsten, titanium, chromium, vanadium these four metallic monomers, passes through laser cladding process
Reaction generation carbide, can cause distribution of carbides in the second material evenly.
The technique effect of the design of the utility model, concrete structure and generation is made furtherly below with reference to attached drawing
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Description of the drawings
Fig. 1 is the structure diagram of a preferred embodiment of the utility model, is specially singly operated on.
Fig. 2 is the cross-sectional view that Fig. 1 is cut along AA.
Fig. 3 is the structure diagram of another embodiment of the utility model, is specially aviation shears.
Fig. 4 is the structure diagram of another embodiment of the utility model, is specially the pliers with cutting edge.
Specific embodiment
The tool with cutting edge of the utility model meaning, for being cut and/or being sheared to object, including matrix,
Cladding layer and the transition region of connection matrix and cladding layer.Matrix plays the role of supporting cutting edge portion；Cutting edge portion can be used for into
Row cutting and/or shearing, be after heat treatment ground by cladding layer knife-edge into.
Fig. 1 shows one embodiment of the utility model, is a kind of singly to operate on.It is singly operated on Fig. 2 shows this along AA lines
The schematic diagram of cutting.This singly operates on the cladding layer 2 for the matrix 1 being used to support, being used to form cutting edge and connection matrix 1
With the transition region 3 of cladding layer 2.Matrix 1 is made of the first material, has first side.Cladding layer 2 is made of the second material, and
It is that will be formed in the second material cladding to first side by laser melting coating mode.What is be formed simultaneously also has in 2 He of cladding layer
Transition region 3 between matrix 1.Transition region 3 is the combination of the first material and the second material under metallurgical state.The depth of cladding layer 2
Degree is between 0.2~6.0mm, between preferably 1.0~3.0mm.
Skilled person will appreciate that the tool with cutting edge of the utility model can there are many shape and construction, examples
Such as, a kind of aviation shears as shown in Figure 3 and a kind of pliers with cutting edge as shown in Figure 4.With the list shown in Fig. 1 and 2
It is to be respectively provided with matrix 1, cladding layer 2 and transition region 3 to operate on identical.In addition, the tool with cutting edge of the utility model may be used also
To be other cutters, saw, axe, which is not described herein again.Cladding layer has the first edge for cutting or shearing, the first side
Edge is smooth or zigzag.Such as when singly to operate on, first edge is smooth；When for saw, first edge is
It is zigzag.
First material is quenching hardening steel, and first choice has the steel of higher toughness, such as martensitic stain less steel, alloy structure
One or more of steel, tool steel and spring steel.In a preferred embodiment, the martensitic stain less steel be selected from
The martensitic stain less steel of the standardization of the lower trade mark (the Chinese trade mark), 20Cr13,30Cr13,40Cr13,50Cr15MoV, 68Cr17,
95Cr18,90Cr18MoV etc..In another preferred embodiment, the first material be selected from 50CrMo, 6CrW2Si, 60Si2Mn,
60Si2Cr、60Si2CrV、60CrMn。
Second material has higher hardness and/or wearability.In a preferred embodiment, the second material is selected from carbon
Change at least one of tungsten, titanium carbide, chromium carbide, vanadium carbide, aluminium oxide, zirconium oxide compound, while the second material further includes
Nickel or cobalt.In yet another preferred embodiment, the second material be selected from tungsten carbide, titanium carbide, chromium carbide, vanadium carbide, aluminium oxide,
At least one of zirconium oxide compound, while the second material further includes nickel and cobalt.In third preferred embodiment, second
Material includes at least one of carbon and tungsten, titanium, chromium, vanadium these four metallic monomers, while the second material further includes nickel or cobalt.
In the 4th preferred embodiment, the second material includes at least one in carbon and tungsten, titanium, chromium, vanadium these four metallic monomers
Kind, while the second material further includes nickel and cobalt.In the 5th preferred embodiment, the second material includes tungsten carbide, titanium carbide, carbon
Change chromium, vanadium carbide, aluminium oxide, at least one of zirconium oxide compound, further include carbon and tungsten, titanium, chromium, vanadium these four metals
At least one of monomer further includes nickel or cobalt.In the 6th preferred embodiment, the second material include tungsten carbide, titanium carbide,
At least one of chromium carbide, vanadium carbide, aluminium oxide, zirconium oxide compound further includes carbon and tungsten, titanium, chromium, vanadium these four gold
Belong at least one of monomer, further include nickel and cobalt.All goods and materials in above-mentioned second material are graininess (when being tiny
It is then powdery during grain).
The manufacturing method of the tool as described above with cutting edge of the utility model, in a specific embodiment,
The manufacturing method includes the following steps：1) matrix with first side is obtained to the first material blanking according to tool sizes；2)
Using laser melting coating mode, the cladding layer being made of the second material in the second material cladding to first side, will be formed, while
The transition region that the first material is combined with the second material metallurgical state is formed between cladding layer and matrix；3) it quenches, be tempered；4) it is ground
Blade；5) it assembles, pack.
First, by the first material blanking, the shape for the matrix for corresponding roughly to tool of the finished product with cutting edge is cut into.It should
Cutting may be used wire cutting or high velocity ram machine and carry out, can also use in this field other conventional use of cutting modes into
Row.The first material after cutting has relatively flat first side.
Then, using CO2Gas laser, YAG solid state lasers, optical fiber laser or DIODE semiconductor lasers into
Row laser melting coating operates.Laser power is not less than 1000W, and laser head movement speed is in the arteries and veins of 2.0~15.0mm/s during cladding
Impulse light, one layer of second material of cladding in the first side of the first material after dicing form cladding layer, while in cladding layer
It is formed between matrix and not only includes the first material but also the transition region for including the second material.In transition region, the first material and second
Material is fused to each other together, i.e., is combined in metallurgical state.
Later, integral quenching and whole tempering are carried out to the tool blank after laser melting coating.Quenching and tempering are in vacuum
It is carried out in stove.For hardening heat between 850~1250 DEG C, hardening media can be quenching oil or inert gas.As
Project optimization, hardening media use nitrogen.After the completion of quenching, tool blank is subjected to vacuum tempering, tempering temperature in a vacuum furnace
Degree is between 200~600 DEG C, soaking time 2~8 hours.
Finally, the grinding of size and shape is carried out to the tool blank after quenching, being tempered, is especially ground out cutting edge.Mill
It cuts and method progress commonly used in the art may be used, for example carried out using grinding machine.
In the another embodiment of the utility model manufacturing method, before being additionally included in laser melting coating operation, first
Row is quenched and is tempered to the matrix formed in step 1.Remaining steps and a upper specific embodiment are same, no longer superfluous here
It states.
In another specific embodiment of the utility model manufacturing method, it is additionally included according to tool sizes to first
After material blanking, the matrix with first side of definite shape is obtained by hot-forging forming.Remaining steps are specific real with upper one
It is same to apply mode, which is not described herein again.
After laser melting coating, quenching, temper, in 48-54HRC, such hardness imparts the hardness of matrix
The preferable toughness of matrix so that matrix does not allow frangibility.The hardness of cladding layer is good which imparts cladding layer in 60-70HRC
Wearability so that the service life of cutting edge is longer.
Embodiment 1 is a kind of singly to operate on
1) matrix with first side is obtained to the first material blanking according to tool sizes.First material is martensite
Stainless steel.Then, first time quenching is carried out in a vacuum furnace, is tempered for the first time.Hardening heat is quenched between 850~1250 DEG C
Fiery medium uses nitrogen.It after the completion of quenching, is tempered, temperature is between 200~600 DEG C, soaking time 2~8 hours.
2) using DIODE semiconductor lasers, laser power is not less than 1000W, and laser head movement speed exists during cladding
Laser melting coating operation is carried out between 2.0~15.0mm/s.By in the second material cladding to first side, formed by the second material structure
Into cladding layer, while the transition region that the first material is combined with the second material metallurgical state is formed between cladding layer and matrix.
Second material includes at least one of carbon and tungsten, titanium, chromium, vanadium these four metallic monomers, while the second material further includes nickel
And cobalt.Substance in second material is powdery.
3) second of quenching is carried out in a vacuum furnace, is tempered for second.Hardening heat is between 850~1250 DEG C, quenching
Medium uses nitrogen.It after the completion of quenching, is tempered, temperature is between 200~600 DEG C, soaking time 2~8 hours.
4) it is ground blade.
5) it assembles, pack, obtain singly operating on for embodiment 1.
The preparation method singly operated on of embodiment 2~6 is removed listed by table 1 not with the preparation method singly operated on of embodiment 1
With outside, remaining is identical.
Table 1 singly operates on embodiment 2~6
Embodiment 7 is a kind of singly to operate on
1) matrix with first side is obtained to the first material blanking according to tool sizes.First material is martensite
Stainless steel.
2) using DIODE semiconductor lasers, laser power is not less than 1000W, and laser head movement speed exists during cladding
Laser melting coating operation is carried out between 2.0~15.0mm/s.By in the second material cladding to first side, formed by the second material structure
Into cladding layer, while the transition region that the first material is combined with the second material metallurgical state is formed between cladding layer and matrix.
Second material includes at least one of tungsten carbide, titanium carbide, chromium carbide, vanadium carbide, aluminium oxide, zirconium oxide compound, simultaneously
Second material further includes nickel and cobalt.Substance in second material is powdery.
3) it quenched, be tempered in a vacuum furnace.Hardening heat is between 850~1250 DEG C, and hardening media is using quenching
Oil.It after the completion of quenching, is tempered, temperature is between 200~600 DEG C, soaking time 2~8 hours.
4) it is ground blade.
5) it assembles, pack, obtain singly operating on for embodiment 7.
The preparation method singly operated on of embodiment 8~12 is removed listed by table 2 not with the preparation method singly operated on of embodiment 7
With outside, remaining is identical.
Table 2 singly operates on embodiment 8~12
A kind of 13 aviation shears of embodiment
1) according to tool sizes to the first material blanking, hot-forging forming obtains the matrix with first side.First material
For structural alloy steel, tool steel, spring steel class raw material：Bar.Then, first time quenching, first time are carried out in a vacuum furnace
Tempering.For hardening heat between 850~1250 DEG C, hardening media uses nitrogen.It after the completion of quenching, is tempered, temperature
Between 200~600 DEG C, soaking time 2~8 hours.
2) using DIODE semiconductor lasers, laser power is not less than 1000W, and laser head movement speed exists during cladding
Laser melting coating operation is carried out between 2.0~15.0mm/s.By in the second material cladding to first side, formed by the second material structure
Into cladding layer, while the transition region that the first material is combined with the second material metallurgical state is formed between cladding layer and matrix.
Second material includes at least one of tungsten carbide, titanium carbide, chromium carbide, vanadium carbide, aluminium oxide, zirconium oxide compound, simultaneously
Second material further includes nickel and cobalt.
3) second of quenching is carried out in a vacuum furnace, is tempered for second.Hardening heat is between 850~1250 DEG C, quenching
Medium uses nitrogen.It after the completion of quenching, is tempered, temperature is between 200~600 DEG C, soaking time 2~8 hours.
4) it is ground blade.
5) it assembles, pack, obtain the aviation shears of embodiment 13.
A kind of pliers with cutting edge of embodiment 14
1) according to tool sizes to the first material blanking, hot-forging forming obtains the matrix with first side.First material
For structural alloy steel.Then, first time quenching is carried out in a vacuum furnace, is tempered for the first time.Hardening heat 850~1250 DEG C it
Between, hardening media uses nitrogen.It after the completion of quenching, is tempered, temperature is between 200~600 DEG C, soaking time 2~8
Hour.
2) using CO2Gas laser, laser power are not less than 1000W, during cladding laser head movement speed 2.0~
Laser melting coating operation is carried out between 15.0mm/s.By in the second material cladding to first side, form what is be made of the second material
Cladding layer, while the transition region that the first material is combined with the second material metallurgical state is formed between cladding layer and matrix.Second
Material includes at least one of carbon and tungsten, titanium, chromium, vanadium these four metallic monomers, while the second material further includes nickel or cobalt.
3) second of quenching is carried out in a vacuum furnace, is tempered for second.Hardening heat is between 850~1250 DEG C, quenching
Medium uses nitrogen.It after the completion of quenching, is tempered, temperature is between 200~600 DEG C, soaking time 2~8 hours.
4) it is ground blade.
5) it assembles, pack, obtain the pliers with cutting edge of embodiment 4.
Stroke 20mm is tested, tests 60 cycles, what the blade manufactured using the method for the utility model was formed singly operates on,
With it is existing singly operate on compared with, sharpness and durability degree are as shown in table 3：
Each sharpness and durability degree singly operated on of table 3
It can be seen that tool (for singly operating on) its sharpness with cutting edge with the utility model embodiment and resistance to
Degree increases relative to existing blade of singly operating on long.Wherein, at the same use nickel and cobalt (such as embodiment 1,4,7 and 8)
So that sharpness improves 1 times or so, durability degree improves 2 to 3 times；Simultaneously using nickel and cobalt, and using carbon and tungsten, titanium, chromium,
At least one of these four metallic monomers of vanadium generate carbide (such as embodiment 1 and 8) in laser cladding process, sharp
Degree and durability degree highest.
50Cr15MoV integral knife blades refer to basis material as 50Cr15, without laser melting and coating process, without cladding layer, mistake
Cross layer, the integral knife blade that support and formation cutting edge are taken on by matrix.30Cr13 integral knife blades refer to basis material as 30Cr13, not
By laser melting and coating process, without cladding layer, transition zone, the integral knife blade that cutting edge is taken on by matrix is supported and formed.
The preferred embodiment of the utility model described in detail above.It should be appreciated that this field ordinary skill without
Creative work is needed according to the present utility model can to conceive and makes many modifications and variations.Therefore, it is all in the art
Technical staff on the basis of existing technology can by logical analysis, reasoning, or a limited experiment according to the design of the utility model
It, all should be in the protection domain being defined in the patent claims with obtained technical solution.
Claims (12)
1. a kind of tool with cutting edge, it is characterised in that：Including the matrix that is used to support and the cladding layer for being used to form cutting edge,
And connect described matrix and the transition region of the cladding layer；
Described matrix is made of the first material, and first material is the stainless steel of hardening, and with first side；
The cladding layer is made of the second material, and second material includes tungsten carbide, titanium carbide, chromium carbide, vanadium carbide, oxidation
At least one of aluminium, zirconium oxide compound or including at least one in carbon and tungsten, titanium, chromium, vanadium these four metallic monomers
Kind；Second material further includes nickel and/or cobalt；
The transition region is that described melt will be formed in the second material cladding to the first side by laser melting coating mode
First material formed between the cladding layer and described matrix while coating and the second material metallurgical state
With reference to region.
2. the tool of cutting edge is carried as described in claim 1, which is characterized in that the depth of the cladding layer is 0.2~
6.0mm。
3. the tool of cutting edge is carried as described in claim 1, which is characterized in that the cladding layer has to cut or shear
First edge, the first edge is smooth or zigzag.
4. the tool of cutting edge is carried as described in claim 1, which is characterized in that the tool with cutting edge is cutter, saw
Son, axe, aviation shears or the pliers with cutting edge.
5. the tool of cutting edge is carried as described in claim 1, which is characterized in that second material further includes nickel and cobalt.
6. the tool of cutting edge is carried as described in claim 1, which is characterized in that second material includes tungsten carbide, carbonization
At least one of titanium, chromium carbide, vanadium carbide, aluminium oxide, zirconium oxide compound, further include carbon and tungsten, titanium, chromium, vanadium this four
At least one of kind metallic monomer.
7. the tool of cutting edge is carried as described in claim 1, which is characterized in that second material includes tungsten carbide, carbonization
At least one of titanium, chromium carbide, vanadium carbide, aluminium oxide, zirconium oxide compound, further include carbon and tungsten, titanium, chromium, vanadium this four
At least one of kind metallic monomer, further includes nickel and cobalt.
8. as claim 1,6 and 7 any one of them carry the tool of cutting edge, which is characterized in that the carbon, the tungsten, institute
It is powdery to state titanium, the chromium, the vanadium.
9. the tool of cutting edge is carried as described in claim 1, which is characterized in that it is stainless that first material includes martensite
One or more of steel, structural alloy steel, tool steel and spring steel.
10. the tool of cutting edge is carried as described in claim 1, which is characterized in that the laser melting coating mode, which refers to, passes through laser
Device produces fusing point in second material less than laser under the laser power of setting and the laser head movement speed of setting
The material melts of raw laser temperature simultaneously carry fusing point and are attached in the first side higher than the substance of the laser temperature
Form the cladding layer；First material of the first side and its close first side is in the laser temperature simultaneously
Degree effect is lower to melt and forms the transition region with being combined close to the second material metallurgical state of the first side；It is described
Fusing point is higher than the substance Dispersed precipitate of the laser temperature in the cladding layer in second material.
11. the tool of cutting edge is carried as described in claim 1, which is characterized in that the hardness of the cladding layer compares described matrix
High more than the 10HRC of hardness.
12. the tool of cutting edge is carried as described in claim 1, which is characterized in that the depth of the cladding layer is 1.0~
3.0mm。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721209311.4U CN207581942U (en) | 2017-09-20 | 2017-09-20 | A kind of tool with cutting edge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721209311.4U CN207581942U (en) | 2017-09-20 | 2017-09-20 | A kind of tool with cutting edge |
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| CN207581942U true CN207581942U (en) | 2018-07-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518179A (en) * | 2017-09-20 | 2019-03-26 | 杭州巨星科技股份有限公司 | A kind of tool and its manufacturing method with cutting edge |
| CN112048657A (en) * | 2020-08-07 | 2020-12-08 | 杭州巨星科技股份有限公司 | Impact-resistant wear-resistant cutting edge alloy, cutting edge part and application |
-
2017
- 2017-09-20 CN CN201721209311.4U patent/CN207581942U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518179A (en) * | 2017-09-20 | 2019-03-26 | 杭州巨星科技股份有限公司 | A kind of tool and its manufacturing method with cutting edge |
| CN112048657A (en) * | 2020-08-07 | 2020-12-08 | 杭州巨星科技股份有限公司 | Impact-resistant wear-resistant cutting edge alloy, cutting edge part and application |
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