CN208147899U - Cutter - Google Patents
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- CN208147899U CN208147899U CN201820592410.3U CN201820592410U CN208147899U CN 208147899 U CN208147899 U CN 208147899U CN 201820592410 U CN201820592410 U CN 201820592410U CN 208147899 U CN208147899 U CN 208147899U
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Abstract
The utility model discloses a kind of cutters, wherein the cutter includes cutter hub, and the cutter hub includes knife spine, wherein the cutter hub further includes the first cutter hub portion and the second cutter hub portion for connecting with first cutter hub portion close to the knife spine；Second cutter hub portion is formed by first cutter hub portion far from one end built-up welding of the knife spine, and second cutter hub portion puts the first edge on a knife or a pair of scissors to form cutting edge portion far from one end of knife spine.The cutter of the utility model is promoted on hardness, wearability and long-durability sharp degree.
Description
Technical field
The utility model relates to tooling cost field more particularly to a kind of cutters.
Background technique
Cutter is tool indispensable in all trades and professions and people's life, as cutter, the process hides clothes of ripper are cut out
It cuts with various cutters such as cutter, military cutter, Kitchen knife, table knife, fruit knives.The cutter supplied currently on the market is general
Store-through edge hardness it is not high, be not durable the problems such as, need to often whet a knife.The long-durability sharp problem of cutter becomes the field
Focus technology problem.
In the prior art, melting and coating process is mostly used in the manufacturing process of cutter, passes through the cutting edge end coating hard in substrate
Alloy, and metallurgical bonding is formed by base of former base material, this method can improve the hardness and wearability of cutter, to improve cutter
Long-durability sharp degree and service life.But the process of cladding forming, need in layer back and forth accumulate conjunction at the cutting edge end of substrate
Gold, and need to be stacked into the height of 2~3mm, longer so as to cause process time, working efficiency is low.
Utility model content
For this purpose, the utility model provides a kind of cutter, exist above to solve the problems, such as or at least alleviate.
One aspect according to the present utility model provides a kind of cutter, including cutter hub, and the cutter hub includes knife spine, institute
State the first cutter hub portion and the second cutter hub portion connecting with first cutter hub portion that cutter hub further includes the close knife spine；It is described
Second cutter hub portion is formed by first cutter hub portion far from one end built-up welding of the knife spine, and second cutter hub portion is far from described
It puts the first edge on a knife or a pair of scissors to form cutting edge portion in one end of knife spine.
Optionally, in cutter according to the present utility model, the resurfacing welding material in the second cutter hub portion described in built-up welding includes
One of 5Cr15MoV, 5Cr15Mo, 9Cr18MoV or a variety of, and one in described 5Cr15MoV, 5Cr15Mo, 9Cr18MoV
Kind or the quality accounting of a variety of relatively described resurfacing welding materials are 7%-23%.
Optionally, in cutter according to the present utility model, the resurfacing welding material further include WC, TiC, CrC, C, TiNC,
One or more of TiN, TiAlN, CrN, titanium alloy.
Optionally, in cutter according to the present utility model, the resurfacing welding material be 5Cr15MoV and WC mixing or
The mixing of 5Cr15MoV and TiC, and the quality accounting of the 5Cr15MoV is 8%-22%.
Optionally, in cutter according to the present utility model, the resurfacing welding material be 9Cr18MoV and WC mixing or
The mixing of 9Cr18MoV and TiC, and the quality accounting of the 9Cr18MoV is 7%-21%.
Optionally, in cutter according to the present utility model, the resurfacing welding material be the 5Cr15Mo and WC mixing,
Or the mixing of the 5Cr15Mo and TiC, and the quality accounting of the 5Cr15Mo is 9%-23%.
Optionally, in cutter according to the present utility model, the resurfacing welding material further includes the stainless steel of other trades mark.
Optionally, in cutter according to the present utility model, the resurfacing welding material is the 5Cr15MoV and described other
The mixing of the stainless steel of the trade mark, and the quality accounting of the 5Cr15MoV is 9%-22%.
Optionally, in cutter according to the present utility model, the resurfacing welding material is the 9Cr18MoV and described other
The mixing of the stainless steel of the trade mark, and the quality accounting of the 9Cr18MoV is 8%-20%.
Optionally, in cutter according to the present utility model, the height in second cutter hub portion is 3-5mm.
Technical solution according to the present utility model provides a kind of cutter, which is equipped with cutting edge portion, and the cutting edge portion is
By to be formed after cutter blank forms the second cutter hub portion far from one end built-up welding of knife spine using putting the first edge on a knife or a pair of scissors.Further, due to this reality
Resurfacing welding material used by being formed with novel middle built-up welding, wearability and phosphorus content obviously higher than former cutter blank substrate, therefore, warp
Put the first edge on a knife or a pair of scissors the tool blade oral area to be formed after built-up welding molding, and the hardness of wearability improves a lot.To sum up, the utility model is utilized
Processing method made of cutter, hardness and wearability can not only be improved, to improve the long-durability sharp degree of cutter and using the longevity
Life, and it is high in machining efficiency.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and being implemented in accordance with the contents of the specification, and in order to allow above and other purpose, feature of the utility model
It can be more clearly understood with advantage, it is special below to lift specific embodiment of the present utility model.
Detailed description of the invention
To the accomplishment of the foregoing and related purposes, certain illustrative sides are described herein in conjunction with following description and drawings
Face, these aspects indicate the various modes that can practice principles disclosed herein, and all aspects and its equivalent aspect
It is intended to fall in the range of theme claimed.Read following detailed description in conjunction with the accompanying drawings, the disclosure it is above-mentioned
And other purposes, feature and advantage will be apparent.Throughout the disclosure, identical appended drawing reference generally refers to identical
Component or element.
Fig. 1 shows the structural schematic diagram of the cutter according to the utility model one embodiment；
Fig. 2 shows the left side structure schematic diagrams of Fig. 1；
Fig. 3 shows the structural schematic diagram according to the cutter blank in the utility model one embodiment；
Fig. 4 shows the left side structure schematic diagram of Fig. 3；
Fig. 5 shows the structural representation that the cutter blank in the second cutter hub portion is formed according to built-up welding in the utility model one embodiment
Figure；
Fig. 6 shows the left side structure schematic diagram of Fig. 5.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
It should be pointed out that all 5Cr15MoV, 5Cr15Mo being related in the utility model, 9Cr18MoV, WC, TiC,
The materials such as CrC, C, TiNC, TiN, TiAlN, CrN, titanium alloy, 30Cr13,3Cr13, the stainless steel of other trades mark, clad steel are equal
For the common used material that can be bought in the market.
As it was noted above, more or less there is certain functional defect, therefore the utility model in cutter in the prior art
Propose a kind of more optimized cutter of performance.Fig. 1 is shown to be shown according to the structure of the cutter 100 of the utility model one embodiment
It is intended to, as shown in Figure 1, the cutter 100 includes cutter hub and knife handle 130, cutter hub includes knife spine 111, and cutter hub further includes close to knife spine
111 the first cutter hub portion 110, and, the second cutter hub portion 120 being connect with the first cutter hub portion 110.Wherein, the second cutter hub portion
120 be made of the alloy in weld deposit process by one end hardfacing alloy of knife spine 111 separate in above-mentioned first cutter hub portion 110
It melts to form metallurgical bonding with the substrate in the first cutter hub portion 110, be firmly combined.In addition, in above-mentioned second cutter hub portion 120 far from knife
One end edge of back 111 is by putting the first edge on a knife or a pair of scissors to form the cutting edge portion 125 of cutter 100.Cutter 100 shown in Fig. 1 is a kind of for kitchen use
The structure of knife, it should be understood that the utility model is not only restricted to this, and the cutter 100 of the utility model can also be ripper
The knot of the various common cutters such as cutter, process hides tailoring cutter, military cutter, Kitchen knife, table knife, fruit knife
Structure, merely exemplary in Fig. 1 to show a kind of structure of Kitchen knife, other kinds of cutter structure is temporarily not shown, below
The structure and function of cutter is described for being the cutter shown in Fig. 1.
It is that cutter blank is made in punching press first in the forming process of the cutter 100 in the utility model according to one embodiment
200, which has above-mentioned first cutter hub portion 110 and knife handle 130, then in 110 built-up welding of the first cutter hub portion of cutter blank 200
Second cutter hub portion 120 is made in alloy, and the first cutter hub portion 110 and the second cutter hub portion 120 here is formed together cutter 100
Cutter hub, then the cutter hub is processed, final cutter 100 is made.The material of above-mentioned cutter blank 200 is stainless steel, therefore the
The material in one cutter hub portion 110 is also stainless steel, and the type for the stainless steel that the not restricted cutter blank of the utility model uses can be
One of 30Cr13,5Cr15Mov or clad steel, especially 30Cr13.It is struck out in addition, above-mentioned cutter blank 200 can use
Type, it is to be understood that, the utility model is not only restricted to this, all to can be realized the side that above-mentioned cutter blank 200 is made in the prior art
Formula is within the protection scope of the present utility model.Fig. 3 shows the knot of the cutter blank 200 according to the utility model one embodiment
Structure schematic diagram, as can be seen from Figure 3, cutter blank 200 are strip, wherein the width of knife handle 130 is less than the first cutter hub portion on cutter blank
110 width, specifically, the whole width range of cutter blank 200 are 18-40mm；Comparison diagram 3 and Fig. 1 it is found that cutter blank 200 length
The equal length of cutter 100 spent and be finally made.It is well known that the cutting edge portion of cutter is to determine that cutter ability shows most heavy
Want factor.According to one embodiment, the utility model is first separate in the first cutter hub portion 110 of cutter blank by built-up welding moulding process
One end hardfacing alloy of knife spine forms the second cutter hub portion 120 of cutter, and in weld deposit process, the alloy material of built-up welding is through high temperature
Melting forms metallurgical bonding with cutter blank substrate, is firmly combined.The alloy material of above-mentioned built-up welding uses hard alloy, the hard alloy
It can be alloy powder or welding wire.
According to a kind of embodiment, resurfacing welding material used by built-up welding above-mentioned second cutter hub portion 120 is in the utility model
Alloy powder, wherein resurfacing welding material includes one of 5Cr15MoV, 5Cr15Mo, 9Cr18MoV or a variety of and described
The quality accounting of the gross mass of the relatively described resurfacing welding material of one of 5Cr15MoV, 5Cr15Mo, 9Cr18MoV or a variety of is
7%-23%.Specifically, alloy powder used in resurfacing welding material can be the following two kinds situation：(1)5Cr15MoV,
Any one or more of 5Cr15Mo, 9Cr18MoV/mixed with the powder of stainless steel of other trades mark, and 5Cr15MoV,
Any one or more of 5Cr15Mo, 9Cr18MoV account for the 7%-23% of the resurfacing welding material overall quality；(2)5Cr15MoV,
In 5Cr15Mo, 9Cr18MoV any one or more/with WC, TiC, CrC, C, TiNC, TiN, TiAlN, CrN, Titanium Powder
Any one in end or a variety of mixing；And any one or more of 5Cr15MoV, 5Cr15Mo, 9Cr18MoV account for it is described
The 7%-23% of resurfacing welding material overall quality.Wherein, the effect of above situation (2) is more preferable.Due in above-mentioned resurfacing welding material
5Cr15MoV, 5Cr15Mo, 9Cr18MoV, WC, TiC, CrC, C, TiNC, TiN, TiAlN, CrN, titanium alloy are more wear-resisting
Material, therefore, the hardness in the second cutter hub portion 120 made of built-up welding are bigger, not easy to wear, so as to keep permanent sharp
Degree.It is exemplified below the type and quality accounting of the resurfacing welding material specifically used：
1) resurfacing welding material that built-up welding molding uses is the mixture of the powder of stainless steel of 5Cr15MoV and other trades mark, wherein
Quality accounting of the 5Cr15MoV in the resurfacing welding material is 9%-22%, preferably 9%, 17%, 22%；
2) resurfacing welding material that built-up welding molding uses is the mixture of the powder of stainless steel of 5Cr15Mo and other trades mark, wherein
Quality accounting of the 5Cr15Mo in the resurfacing welding material is 11%-23%, preferably 11%, 17%, 23%；
3) resurfacing welding material that built-up welding molding uses is the mixture of the powder of stainless steel of 9Cr18MoV and other trades mark,
In, quality accounting of the 9Cr18MoV in the resurfacing welding material is 8%-20%, preferably 8%, 15%, 20%；
4) mixture that the resurfacing welding material that built-up welding molding uses is 5Cr15MoV and WC, wherein 5Cr15MoV is in the built-up welding
Quality accounting in material is 8%-21%, preferably 8%, 15%, 21%；
5) mixture that the resurfacing welding material that built-up welding molding uses is 5Cr15Mo and WC, wherein 5Cr15Mo is in the heap wlding
Quality accounting in material is 9%-22%, preferably 8%, 15%, 22%；
6) mixture that the resurfacing welding material that built-up welding molding uses is 9Cr18MoV and WC, wherein 9Cr18MoV is in the built-up welding
Quality accounting in material is 7%-19%, preferably 7%, 12%, 19%；
7) mixture that the resurfacing welding material that built-up welding molding uses is 5Cr15MoV and TiC, wherein 5Cr15MoV is in the built-up welding
Quality accounting in material is 8%-22%, preferably 8%, 18%, 22%；
8) mixture that the resurfacing welding material that built-up welding molding uses is 5Cr15Mo and TiC, wherein 5Cr15Mo is in the heap wlding
Quality accounting in material is 9%-23%, preferably 9%, 18%, 23%；
9) mixture that the resurfacing welding material that built-up welding molding uses is 9Cr18MoV and TiC, wherein 9Cr18MoV is in the built-up welding
Quality accounting in material is 7%-21%, preferably 7%, 10%, 21%.
Since above-mentioned resurfacing welding material is wear-resistant material, therefore, the second cutter hub portion made of above-mentioned resurfacing welding material built-up welding
120, wearability improves a lot relative to former cutter blank, moreover, the phosphorus content of above-mentioned resurfacing welding material is significantly larger than former cutter blank base
Material, to make to form the hardness of the hardness much higher than former cutter blank in cutting edge portion 125 through putting the first edge on a knife or a pair of scissors at the edge in the second cutter hub portion 120.
Therefore compared with cutter blank substrate, hardness and wearability through built-up welding the second cutter hub after molding portion 120 improve a lot.In addition,
Built-up welding moulding process in the utility model can using plasma surfacing, laser beam built-up welding, electron beam built-up welding, arc surfacing or
The modes such as electric spark overlaying, especially plasma surfacing, the utility model to this with no restriction.According to the present utility model one
In a embodiment, using plasma surfacing, the technical solution of the utility model is illustrated as example below.
According to one embodiment, the utility model first removes rust spot and surface fatigue layer to the cutter blank of offer 200, then adopts
With plasma surfacing equipment far from the end surface of knife spine in the first cutter hub portion 110 of knife, with the above-mentioned heap of argon gas synchronous transport
Wlding material (alloy powder) and built-up welding is scanned to it, to form the second cutter hub portion 120, wherein powder sending quantity (is defeated
Send the speed of resurfacing welding material) it can be 20-28g/min, preferably 20g/min, when defeated powder sending quantity speed is more than 28g/min,
Unit acquisition powder amount is too many, and irradiation temperature cannot be such that powder is completely melt in conjunction with substrate；When defeated powder sending quantity speed is less than 20g/
When min, unit acquisition powder amount is very little, and irradiation temperature passes through powder, causes substrate to generate high temperature melting and collapses.Scan the speed of built-up welding
Degree can be 750-900mm/min, preferably 800mm/min, and when scanning built-up welding speed is more than 900mm/min, speed is too fast,
Irradiation temperature cannot be completely melt that powder, powder form stomata on the cutting edge in conjunction with substrate；When scanning built-up welding speed is less than
When 750mm/min, speed is too slow, and production efficiency is low, and purchase of equipment demand is not achieved.The molding of built-up welding used by the utility model
Technique, built-up welding speed quickly, are able to achieve the alloy of disposable accumulation 3-5mm height, and in weld deposit process, the resurfacing welding material
It is melted at a high temperature of plasma beam with cutter blank substrate as metallurgical bonding.Fig. 5 and Fig. 6 shows that built-up welding forms the second cutter hub portion
Cutter blank after 120.Above-mentioned built-up welding moulding process can be realized the second cutter hub portion 120 that disposable built-up welding forms 3-5mm height,
Process velocity is fast, so that process time be greatly saved, improves work efficiency.Here, above and described below
" height " is each meant along the length with 130 vertical direction of knife handle.
Other side according to the present utility model additionally provides a kind of method for processing cutter 100 as described above, should
Method includes the following steps：
S1：The cutter blank 200 (cutter blank 200 is as shown in Figure 3 and Figure 4) for having the first cutter hub portion 110 is provided；
S2：It is formed in the first cutter hub portion 110 of above-mentioned cutter blank far from the above-mentioned resurfacing welding material of end surface built-up welding of knife spine 111
Second cutter hub portion 120, so that first cutter hub portion 110 and the second cutter hub portion 120 are formed together the cutter hub of the cutter.Specifically
Ground is one end above-mentioned built-up welding of argon gas synchronous transport in the first cutter hub portion 110 of cutter blank far from knife spine 111 in weld deposit process
Material (alloy powder) and built-up welding is scanned to it, to form above-mentioned second cutter hub portion 120, and the wear-resistant material and cutter blank
Substrate melting is metallurgical bonding (cutter blank after hardfacing alloy is as shown in Figure 5 and Figure 6).
S3：It puts the first edge on a knife or a pair of scissors to form cutting edge portion 125 in 120 one end far from knife spine 111 of above-mentioned second cutter hub portion, cutter 100 is made.
It further, is that after removing rust spot and surface fatigue layer to the cutter blank 200 of offer, its clamping is existed in step S2
On cutter clamping fixture, wherein cutter blank surface is fixed upward；Then start plasma surfacing equipment, in the first knife of cutter blank 200
End surface of the body portion 110 far from knife spine is scanned built-up welding with argon gas synchronous transport resurfacing welding material and to it, wherein send
Powder amount (being the speed for conveying resurfacing welding material) can be 750-900mm/min, and the speed for scanning built-up welding can be 750-
900mm/min realizes disposable accumulation 3-5mm height, and in weld deposit process, above-mentioned resurfacing welding material and cutter blank substrate wait from
Melting is metallurgical bonding at a high temperature of beamlet, to form second cutter hub portion 120.It should be appreciated that the utility model not by
It is limited to the mode of above-mentioned specific fixed cutter blank 200 and the specific equipment of bead-welding technology, it is all to be able to achieve the fixation of cutter blank 200
Mode and 110 surface overlaying of the first cutter hub portion formed the second cutter hub portion 120 equipment in the protection model of the utility model
In enclosing.It wherein, is 3-5mm, that is, second cutter hub portion 120 in the height of 110 surface overlaying alloy of the first cutter hub portion
Highly.Here, this height is reasonable altitudes needed for the second cutter hub portion 120, is able to satisfy the later period and opens at 120 edge of the second cutter hub portion
The requirement of sword makes the sharpness with higher of cutting edge portion 125 to be formed, and persistence is preferable.
In addition, in step s 2, after 110 surface of the first cutter hub portion of cutter blank 200 accumulates to form the second cutter hub portion 120,
Above-mentioned plasma surfacing equipment is closed, cutter blank is taken out.
According to one embodiment, before above-mentioned steps S1, also needs to carry out pre-treatment, include the following steps：
S11：The above-mentioned cutter blank 200 with the first cutter hub portion 110 is made in punching press；
S12：Above-mentioned cutter blank 200 is heat-treated；And
S13：Cutter blank after heat treatment is subjected to calibration straightening, rolling straightening specifically is carried out to the cutter blank after heat treatment.
Further, in step S12, described the step of being heat-treated cutter blank 200, includes：
S121：Quenching, hardening heat are 1050-1080 DEG C, and cooling after predetermined hold-time；Specifically, quenching continues
After 50-60 minutes, cool down 70 minutes in water or oil；
S122：Tempering, tempering temperature are 150-220 DEG C, and cooling after predetermined hold-time；Specifically, it is tempered and continues 2-3
It is cooled to room temperature after hour.
By cutter blank 200 made of punching press after above-mentioned quenching and tempering, the corrosion resistance of cutter blank, while knife can be promoted
The intensity and wearability of base can increase before being relatively heat-treated.In addition, rolling straightening is carried out to the initial cutter blank after heat treatment,
Hardness, fatigue resistance and the wearability that initial cutter blank surface can also be improved, reduce the surface roughness of initial cutter blank, thus
Raising is finally made cutting-tool's used life.
It should be appreciated that the utility model is not only restricted to the above-mentioned mode that the cutter blank 200 with the first cutter hub portion 110 is made,
The cutter blank is made and the mode that is surface-treated to cutter blank is in the utility model in all can be realized in the prior art
In protection scope.
According to one embodiment, the method for processing above-mentioned cutter further includes step：
After above-mentioned steps S2, it is, 110 surface overlaying of the first cutter hub portion in cutter blank forms the second cutter hub portion
After 120, then bevel grinding is integrally carried out to the cutter hub.The global shape of cutter hub is changed after bevel grinding, bevel grinding as shown in Figure 6
The side structure schematic diagram of preceding cutter hub and Fig. 2 shows bevel grinding after cutter hub side structure schematic diagram, it can be seen that tiltedly
Cutter hub its integral thickness before mill is identical, with a thickness of 2.5mm, aclinal；And the side view of the cutter hub after bevel grinding is tapered.
Radium-shine light processing is carried out after the cutter hub bevel grinding, then to knife handle 130, that is, can be played trade mark by laser
It is imprinted on knife handle 130.
Above-mentioned steps S3 is carried out after carrying out radium-shine light processing to knife handle 130, in above-mentioned second cutter hub portion 120 far from knife spine
111 one end edge puts the first edge on a knife or a pair of scissors, and forms the cutting edge portion 125.Mainly using abrasive machine to the edge in the second cutter hub portion 120
It is refined, keeps the edge in the second cutter hub portion 120 sharper, the cutting edge portion 125 of formation can improve the cutter 100 being finally made
Expressive ability.The utility model is not only restricted to the specific equipment of above-mentioned use of putting the first edge on a knife or a pair of scissors and mode of putting the first edge on a knife or a pair of scissors, and owns in the prior art
The mode that cutter blank can be put the first edge on a knife or a pair of scissors is within the protection scope of the present utility model.In addition, the sword after putting the first edge on a knife or a pair of scissors, in the second cutter hub portion 120
The thickness of oral area 125 is most thin.
In addition, also carrying out throwing mirror light to the cutter 100 after putting the first edge on a knife or a pair of scissors and the processing of neat mouth (being made after above-mentioned steps S3
Final cutter 100 it is as shown in Figure 1).
Specifically, after above-mentioned steps S3, the cutter 100 after putting the first edge on a knife or a pair of scissors can be carried out throwing mirror light, makes its surface mirror surface
Effect, thus aesthetic appeal, use feeling is more preferable.One embodiment according to the present utility model, throwing mirror light is first to use abrasive band will
Cutter 100 after putting the first edge on a knife or a pair of scissors carries out rough polishing, is then again thrown its essence for mirror effect with cotton synthetic fibre.It should be appreciated that the utility model is not
It is limited to this, all be able to achieve carries out cutter to throw mirror light in the prior art, and can be with one embodiment of the utility model
The middle mode for realizing identical mirror effect, it is within the protection scope of the present utility model.
Finally, carrying out neat mouth processing to the cutter 100 after throwing mirror light, make entire 100 surfacing impulse- free robustness of cutter, thus
Final finished tools 100 are made.The utility model carries out the mode of neat mouth processing also without limitation to cutter 100, Suo Youxian
There is the mode for being able to achieve in technology and carrying out neat mouth processing to cutter within the protection scope of the present utility model.
Further illustrate the beneficial effects of the utility model combined with specific embodiments below.
The cutter of embodiment 1 to 4 is made of the method for built-up welding described in the utility model processing, the knife of comparative example 1 to 4
Tool is made of existing melting and coating process, and embodiment 1 to 4 is identical as cutter blank substrate employed in comparative example 1 to 4, is all state
3Cr13 is produced, and each embodiment and the type of corresponding comparative example alloy powder used by cutter blank surface are all the same.
Simulation is carried out using experiment to cutter made of embodiment 1 to 4 and comparative example 1 to 4, and is tested.Wherein, simulation uses experiment
Test method be according to consumer in actual use, the mechanism that tool blade oral area is easily destroyed, pass through increase mechanical analogue
Accelerated test uses the test loop number tested standard as a comparison with cutter, compares to the long-durability sharp degree of cutter
Assessment.Long-durability sharp degree test method, sharpness grade evaluation method is as follows：
(1) long-durability sharp degree test method
Using dedicated testing machine, under the effect of 15N pressure, make to test knife to test paper progress reciprocating cutting, experiment
Paper size is 120g yellow brown paper, and Cutting Length is 5 ㎝, and circulation is cut once and carried out a sharpness grade and comments
Valence, mark one circulation terminate.
(2) sharpness grade evaluation method
After often finishing a circulating analog test, sample is subjected to cutting adhesive tape test, if evaluation object can not be cut off, is remembered
It is unqualified, stopping experiment.The cycle-index of circulating analog test is recorded, cycle-index more multilist shows that long-durability sharp degree is better.
1 is seen attached list using the results of property of experiment and test by above-mentioned simulation.Subordinate list 1
Subordinate list 2
Wherein only the alloy material of built-up welding is different from embodiment 1 for embodiment 2 to 4, but in the time of built-up welding equal length
It is identical.Likewise, comparative example 2 to 4 is also the alloy material difference of cladding, but identical in the time of cladding equal length.It is logical
The comparison of table 1 is crossed it is found that when cutter blank surface is processed with identical alloy material, after cladding forming and built-up welding molding
The sharpness in the cutting edge portion formed through processing, it is either all relatively good in the sharpness of initial sharpness or later period.Further
Ground, by the comparison of table 2 it is found that using identical alloy material, and in the case where forming mutually level second cutter hub portion, heap
The time for being welded into type needs is less, more efficient.
Data comparison can be seen that either new knife cutting testing experiment from subordinate list 1, or carry out again after primary sharpening
Testing experiment is cut, the cutter of the molding embodiment 1 to embodiment 4 of the built-up welding knife after sharpening time cycle-index is carried out, it is all bright
It is aobvious to be higher than cutter of the comparative example 1 into comparative example 4 knife time cycle-index after sharpening.And in initial knife time loop test,
Under equal conditions, in the case where same substrate, same alloy material, the knife of the molding embodiment 1 to embodiment 4 of built-up welding is carried out
Secondary cycle-index is all apparently higher than its corresponding comparative example 1 knife into comparative example 4 time cycle-index.It is real to learn
Example 1 is applied into embodiment 4 using cutter made of built-up welding forming technique scheme, the long-durability sharp degree of either new knife is still ground
The existing cladding preparation process that long-durability sharp degree after knife is significantly better than its corresponding comparative example 1 to comparative example 4 is made
Cutter, to solve the problems, such as that cutter sharpness early period made of prior art is not lasting enough, it may have stronger
Wearability.In conclusion the molding cutter of plasma remelting has more preferably long-durability sharp degree and wearability.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that the utility model
Embodiment can be practiced without these specific details.In some instances, well known side is not been shown in detail
Method, structure and technology, so as not to obscure the understanding of this specification.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of the various inventive aspects,
Above in the description of the exemplary embodiment of the utility model, each feature of the utility model is grouped together into list sometimes
In a embodiment, figure or descriptions thereof.However, the method for the disclosure should not be construed to be intended to as follows：It is i.e. required
The requires of the utility model of protection is than feature more features expressly recited in each claim.More precisely, such as
As following claims reflect, inventive aspect is all features less than single embodiment disclosed above.
Therefore, it then follows thus claims of specific embodiment are expressly incorporated in the specific embodiment, wherein each right is wanted
It asks in itself all as the separate embodiments of the utility model.
Unless expressly stated otherwise, disclosed in this specification (including adjoint claim, abstract and attached drawing) each
Feature can be replaced with an alternative feature that provides the same, equivalent, or similar purpose.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is practical new in this
Within the scope of type and form different embodiments.For example, in the following claims, embodiment claimed
It is one of any can in any combination mode come using.
As used in this, unless specifically stated, come using ordinal number " first ", " second ", " third " etc.
Description plain objects, which are merely representative of, is related to the different instances of similar object, and is not intended to imply that the object being described in this way must
Must have the time it is upper, spatially, sequence aspect or given sequence in any other manner.
Although the embodiment according to limited quantity describes the utility model, above description, this technology are benefited from
It is in field it is clear for the skilled person that in the scope of the utility model thus described, it can be envisaged that other embodiments.In addition,
It should be noted that language used in this specification primarily to readable and introduction purpose and select, rather than in order to
It explains or limits the theme of the utility model and select.Therefore, without departing from the scope and spirit of the appended claims
In the case where, many modifications and changes are obvious for those skilled in the art.For this
The range of utility model, the disclosure done to the utility model are illustrative and be not restrictive, the scope of the utility model
It is defined by the appended claims.
Claims (10)
1. a kind of cutter (100), including cutter hub, the cutter hub includes knife spine (111), which is characterized in that the cutter hub further includes
The first cutter hub portion (110) of close knife spine (111) and the second cutter hub portion being connect with first cutter hub portion (110)
(120)；Second cutter hub portion (120) by first cutter hub portion (110) far from the knife spine (111) one end built-up welding and
At, and second cutter hub portion (120) puts the first edge on a knife or a pair of scissors to form cutting edge portion (125) far from one end of the knife spine.
2. cutter (100) as described in claim 1, which is characterized in that the resurfacing welding material in the second cutter hub portion (120) described in built-up welding
Including one of 5Cr15MoV, 5Cr15Mo, 9Cr18MoV or a variety of, and in described 5Cr15MoV, 5Cr15Mo, 9Cr18MoV
One or more relatively described resurfacing welding materials quality accounting be 7%-23%.
3. cutter (100) as claimed in claim 2, which is characterized in that the resurfacing welding material further include WC, TiC, CrC, C,
One or more of TiNC, TiN, TiAlN, CrN, titanium alloy.
4. cutter (100) as claimed in claim 3, which is characterized in that the resurfacing welding material is the 5Cr15MoV's and WC
Mixing or the mixing of the 5Cr15MoV and TiC, and the quality accounting of the 5Cr15MoV is 8%-22%.
5. cutter (100) as claimed in claim 3, which is characterized in that the resurfacing welding material is the 9Cr18MoV's and WC
Mixing or the mixing of the 9Cr18MoV and TiC, and the quality accounting of the 9Cr18MoV is 7%-21%.
6. cutter (100) as claimed in claim 3, which is characterized in that the resurfacing welding material is the mixed of the 5Cr15Mo and WC
Conjunction or the mixing of the 5Cr15Mo and TiC, and the quality accounting of the 5Cr15Mo is 9%-23%.
7. cutter (100) as claimed in claim 2, which is characterized in that the resurfacing welding material further includes the stainless of other trades mark
Steel.
8. cutter (100) as claimed in claim 7, which is characterized in that the resurfacing welding material is the 5Cr15MoV and described
The mixing of the stainless steel of other trades mark, and the quality accounting of the 5Cr15MoV is 9%-22%.
9. cutter (100) as claimed in claim 7, which is characterized in that the resurfacing welding material is the 9Cr18MoV and described
The mixing of the stainless steel of other trades mark, and the quality accounting of the 9Cr18MoV is 8%-20%.
10. such as the described in any item cutters of claim 1-9 (100), which is characterized in that the height in second cutter hub portion (120)
Degree is 3-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820592410.3U CN208147899U (en) | 2018-04-24 | 2018-04-24 | Cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820592410.3U CN208147899U (en) | 2018-04-24 | 2018-04-24 | Cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208147899U true CN208147899U (en) | 2018-11-27 |
Family
ID=64376494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820592410.3U Active CN208147899U (en) | 2018-04-24 | 2018-04-24 | Cutter |
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| Country | Link |
|---|---|
| CN (1) | CN208147899U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110394830A (en) * | 2018-04-24 | 2019-11-01 | 武汉苏泊尔炊具有限公司 | The processing method of cutter and the cutter |
| CN110560858A (en) * | 2019-09-11 | 2019-12-13 | 辽宁科技大学 | method for producing composite cutter blank by applying plasma surfacing process |
| WO2020252992A1 (en) * | 2019-06-21 | 2020-12-24 | 阳江市五金刀剪产业技术研究院 | Cutter manufactured by using plasma additional material and preparation method therefor |
-
2018
- 2018-04-24 CN CN201820592410.3U patent/CN208147899U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110394830A (en) * | 2018-04-24 | 2019-11-01 | 武汉苏泊尔炊具有限公司 | The processing method of cutter and the cutter |
| WO2020252992A1 (en) * | 2019-06-21 | 2020-12-24 | 阳江市五金刀剪产业技术研究院 | Cutter manufactured by using plasma additional material and preparation method therefor |
| CN110560858A (en) * | 2019-09-11 | 2019-12-13 | 辽宁科技大学 | method for producing composite cutter blank by applying plasma surfacing process |
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