CN105538348A - Cutter and manufacturing method thereof - Google Patents
Cutter and manufacturing method thereof Download PDFInfo
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- CN105538348A CN105538348A CN201610104602.0A CN201610104602A CN105538348A CN 105538348 A CN105538348 A CN 105538348A CN 201610104602 A CN201610104602 A CN 201610104602A CN 105538348 A CN105538348 A CN 105538348A
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- cutting face
- cutter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B9/00—Blades for hand knives
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
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- Physical Vapour Deposition (AREA)
- Knives (AREA)
Abstract
The invention provides a cutter and a manufacturing method thereof. The cutter comprises a cutter body (10) and a cutter blade structure arranged on the cutter body (10). The cutter blade structure comprises a base body (20) and a coating film layer (30), wherein the base body (20) is provided with a cutting portion, the cutting portion comprises a first cutting face (41) and a second cutting face (42) which are arranged on the two opposite side faces of the base body (20), the first cutting face (41) and the second cutting face (42) intersect with each other to form a blade edge, the coating film layer comprises a wear resisting layer (31) and a metal transition layer (32) which are stacked, the coating film layer (30) covers the first cutting face (41) along the blade edge, the second cutting face (42) is of a non-coating-film structure, and the metal transition layer (32) is located between the wear resisting layer (31) and the first cutting face (41). According to the technical scheme, the problem that according to an existing cutter, a film layer is likely to be disengaged and cutter sharpening cannot be performed in the later period can be effectively solved.
Description
Technical field
The present invention relates to cutting-tool engineering field, in particular to the manufacture method of a kind of cutter and this cutter.
Background technology
In the prior art, cutter is generally made by carrying out quenching heat treatment to the base material of stainless steel material.In order to improve hardness and the sharpness of the blade of cutter, certain improvement is carried out to common cutter.Such as, with carbide (WC, TiC) alloy powder or the pottery (ZrO of high rigidity
2) sintering such as powder makes cutter, application number be 200610147488.6 a Chinese patent application disclose one zirconia (ZrO
2) sinter the cutter made, although this cutter hardness is high, cannot whet a knife in later stage use procedure, long-durability sharp degree is bad, and the preparation method difficulty of processing of above-mentioned cutter is large, and cost is high.In addition, application number be 201310544089.3 another Chinese patent application disclose and a kind ofly make the method for cutter by ion implantation technique, this preparation method improves the sharpness of blade to a certain extent, but because ion implanted layer is all very thin, later stage cannot whet a knife, and this kind of manufacture craft is not very ripe, and industrial production difficulty is large.Therefore, existing cutter can adopt method at blade place plated film to improve the hardness of the blade of cutter, sharpness and wear-and corrosion-resistant performance usually.But, because the adhesion between rete and base material is inadequate, after using for a long time, easily there is the phenomenon that rete comes off, affect the serviceability of cutter.
In addition, some existing cutter can adopt the mode of double-sided coating to improve cutter, such as, application number be 200610118336.3 a Chinese patent application disclose a kind of method that hard coat is plated in tool surface by method by vacuum coating, said method improves cutter sharpness, but because hard coat is formed in the both sides of tool surface, in order to not destroy coating, the later stage cannot whet a knife.
Summary of the invention
Main purpose of the present invention is the manufacture method providing a kind of cutter and this cutter, rete easily occurs to come off and the later stage cannot carry out the problem of whetting a knife to solve cutter of the prior art.
To achieve these goals, according to an aspect of the present invention, provide a kind of cutter, comprise cutter body and be arranged on the edge structure on cutter body, edge structure comprises: matrix, have cutting portion, cutting portion comprises and is arranged on the first cutting face on two right sides of matrix phase and the second cutting face, and the first cutting face is crossing with the second cutting face forms sword limit; Film plating layer, comprises stacked wearing layer and intermediate metal, and film plating layer covers on the first cutting face along sword limit, and the second cutting face is without coating structure, and intermediate metal is between wearing layer and the first cutting face.
Further, first cutting face comprises the first main cutting face be obliquely installed and the first secondary cutting face be connected with the first main cutting face, second cutting face comprises the second main cutting face be obliquely installed and the second secondary cutting face be connected with the second main cutting face, formation sword limit is intersected in first main cutting face and the second main cutting face, is provided with rough layer between the surface in the first secondary cutting face and intermediate metal.
Further, rough layer is along the part covered perpendicular to the size on the direction on sword limit and film plating layer on the first secondary cutting face along equal perpendicular to the size on the direction on sword limit.
Further, wearing layer edge is perpendicular to the width on the direction on sword limit for being more than or equal to 1mm and being less than or equal to 15mm, and the thickness of wearing layer is for being more than or equal to 0.1 μm and being less than or equal to 4 μm.
Further, the material of wearing layer is TiC, TiN, TiNC, TiAlN, WC or CrN.
Further, the material of intermediate metal is Ti, Al or Fe.
Further, cutter body and edge structure are Split type structure, and edge structure is by being welded to connect on cutter body.
According to a further aspect in the invention, provide a kind of manufacture method of cutter, cutter comprises cutter body and is arranged on the edge structure on cutter body, edge structure comprises matrix, matrix has cutting portion, cutting portion comprises and is arranged on the first cutting face on two right sides of matrix phase and the second cutting face, and the second cutting face is that manufacture method comprises the following steps successively without coating structure: step S40: on the first cutting face, carry out a plated film to form intermediate metal; Step S50: carry out secondary film coating to form wearing layer on intermediate metal; Step S60: form edge structure.
Further, step S40 also comprises: carry out a plated film by vapour deposition process; Step S50 also comprises: carry out secondary film coating by vapour deposition process.
Further, vapour deposition process is physical vaporous deposition.
Further, first cutting face comprises the first main cutting face be obliquely installed and the first secondary cutting face be connected with the first main cutting face, also comprises: step S20 before step S40: on the surface in the first secondary cutting face, carry out sanding process to form rough layer; Step S40 also comprises: intermediate metal covers on the rough layer in the first main cutting face and the first secondary cutting face.
Further, the second cutting face comprises the second main cutting face be obliquely installed and the second secondary cutting face be connected with the second main cutting face, also comprises: step S10 before step S20: form matrix; Step S10 comprises the following steps successively: step S11: base material forms strip blank by punching press, and heat-treats strip blank; Step S12: strip blank has the first long limit and the second long limit that are oppositely arranged, carries out bevel grinding to strip blank and reduces gradually on the direction on the first long limit, long limit to the second to make the thickness of strip blank; Step S13: laser treatment is carried out to strip blank and forms arc texture to make the surface of strip blank; Step S14: put the first edge on a knife or a pair of scissors to form matrix to strip blank, wherein, put the first edge on a knife or a pair of scissors to form the first main cutting face, the second main cutting face, the first secondary cutting face and the second secondary cutting face on two sides that strip blank is relative to strip blank, formation sword limit is intersected in the first main cutting face and the second main cutting face.
Further, also comprise the following steps successively after step S60: step S70: edge structure is connected on cutter body by laser weld; Step S80: butt welded seam is polished; Step S90: form cutter.
Apply technical scheme of the present invention, the first cutting face arranges film plating layer, wherein, film plating layer comprises stacked wearing layer and intermediate metal, and intermediate metal is between wearing layer and the first cutting face.Material due to matrix is metal or metal alloy (such as stainless steel), and the adhesion between intermediate metal and the cutting portion of matrix is stronger.Meanwhile, intermediate metal and wearing layer interpenetrate in forming process, also can combine well between the two.Therefore, intermediate metal can play the effect in the first cutting face of the cutting portion connecting wearing layer and matrix, and can improve the adhesion between wearing layer and the first cutting face, makes wearing layer difficult drop-off, ensure that the serviceability of cutter.Meanwhile, wearing layer the hardness that effectively can improve cutting portion is set, more durable, intermediate metal and wearing layer combine, and can improve the fragility of wearing layer, improve the toughness of cutting portion, reduce the risk of fracture.
In addition, film plating layer covers on the first cutting face along sword limit, and the second cutting face is without coating structure, and the first cutting face is crossing with the second cutting face forms sword limit, and that is, the edge structure of the cutter of the present embodiment adopts the mode of coating single side.Material due to matrix is metal or metal alloy (such as stainless steel), and the hardness of its hardness ratio film plating layer is low.In use, the matrix that hardness is lower weares and teares comparatively fast cutter, and the film plating layer that hardness is higher weares and teares slower, namely the rate of wear in the second cutting face is faster, be equivalent to like this whet a knife in the use procedure of cutter, make blade keep sharp all the time, thus realize blade from sharp function.In addition, in the intersection of the second cutting face and film plating layer, the rate of wear of matrix and film plating layer is more or less the same, and this ensure that the intersection of the second cutting face and film plating layer can even transition.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the cross-sectional schematic of the embodiment of cutting tool according to the present invention;
Fig. 2 shows the A place enlarged diagram of the cutter of Fig. 1;
Fig. 3 shows the schematic flow sheet of the embodiment of the manufacture method of cutting tool according to the present invention; And
Fig. 4 shows the schematic flow sheet of the step S10 of the manufacture method of the cutter of Fig. 3.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, cutter body; 20, matrix; 30, film plating layer; 31, wearing layer; 32, intermediate metal; 41, the first cutting face; 411, the first main cutting face; 412, the first secondary cutting face; 42, the second cutting face; 421, the second main cutting face; 422, the second secondary cutting face; 50, rough layer.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in Figure 1, the cutter of the present embodiment edge structure that comprises cutter body 10 and be arranged on cutter body 10.Wherein, edge structure comprises matrix 20 and film plating layer 30.Matrix 20 has cutting portion.Cutting portion comprises the first cutting face 41 of being arranged on two relative sides of matrix 20 and the second cutting face 41, cutting face 42, first is crossing with the second cutting face 42 forms sword limit.Film plating layer 30 comprises stacked wearing layer 31 and intermediate metal 32.Film plating layer 30 covers on the first cutting face 41 along sword limit.Second cutting face 42 is without coating structure.Intermediate metal 32 is between wearing layer 31 and the first cutting face 41.
The cutter of application the present embodiment, the first cutting face 41 arranges film plating layer 30, and wherein, film plating layer 30 comprises stacked wearing layer 31 and intermediate metal 32, and intermediate metal 32 is between wearing layer 31 and the first cutting face 41.Material due to matrix 20 is stainless steel, and the adhesion between the cutting portion of intermediate metal 32 and matrix 20 is stronger.Meanwhile, intermediate metal 32 and wearing layer 31 interpenetrate in forming process, also can combine well between the two.Therefore, intermediate metal 32 can play the effect in the first cutting face 41 of the cutting portion connecting wearing layer 31 and matrix 20, and the adhesion that can improve between wearing layer 31 and the first cutting face 41, makes wearing layer 31 difficult drop-off, ensure that the serviceability of cutter.Meanwhile, wearing layer 31 the hardness that effectively can improve cutting portion is set, more durable, intermediate metal 32 and wearing layer 31 combine, and can improve the fragility of wearing layer 31, improve the toughness of cutting portion, reduce the risk of fracture.
In addition, film plating layer 30 covers on the first cutting face 41 along sword limit, and the second cutting face 42 is without coating structure, and the first cutting face 41 is crossing with the second cutting face 42 forms sword limit, and that is, the edge structure of the cutter of the present embodiment adopts the mode of coating single side.Material due to matrix 20 is stainless steel, and the hardness of its hardness ratio film plating layer 30 is low.Cutter in use, the matrix 20 that hardness is lower weares and teares comparatively fast, the film plating layer 30 that hardness is higher weares and teares slower, namely the rate of wear in the second cutting face 42 is faster, be equivalent to like this whet a knife in the use procedure of cutter, all the time make blade keep sharp, thus realize blade from sharp function.In addition, in the intersection of the second cutting face 42 with film plating layer 30, the rate of wear of matrix 20 and film plating layer 30 is more or less the same, and this ensure that the second cutting face 42 can even transition with the intersection of film plating layer 30.
In the cutter of the present embodiment, the material that wearing layer 31 adopts hardness high, comparatively wear-resisting.Such as, the material of wearing layer 31 can be TiC (titanium carbide), TiN (titanium nitride), TiNC, TiAlN (TiAlN), WC (tungsten carbide) or CrN (chromium nitride).The material of intermediate metal 32 is Ti (titanium), Al (aluminium) or Fe (iron).Certainly, the material of wearing layer 31 and intermediate metal 32 is not limited thereto, and in other embodiments, wearing layer can adopt the material that other hardness are high, and intermediate metal also can adopt other metal materials.
As depicted in figs. 1 and 2, in the cutter of the present embodiment, the first cutting face 41 comprises the first main cutting face 411 be obliquely installed and the first secondary cutting face 412 be connected with the first main cutting face 411.Second cutting face 42 comprises the second main cutting face 421 be obliquely installed and the second secondary cutting face 422 be connected with the second main cutting face 421.Formation sword limit is intersected in first main cutting face 411 and the second main cutting face 421.Film plating layer 30 covers on the first main cutting face 411 and the first secondary cutting face 412 along sword limit.Rough layer 50 is provided with between the surface in the first secondary cutting face 412 and intermediate metal 32.Before to matrix 20 plated film, first sanding process is carried out to the surface in the first secondary cutting face 412 of matrix 20, form rough layer 50 with this.Above-mentioned sanding process can be blasting treatment or abrasive band process, in the present embodiment, is preferably abrasive band process.Can form coarse structure (point-like or striated) on the first secondary cutting face 412 after sanding process, this coarse structure forms rough layer 50.When above-mentioned coarse structure carries out plated film, the particulate forming film plating layer 30 can be deposited on this coarse structure, so just makes the surface of film plating layer 30 also have certain roughness, presents sanding effect.Compared with the film plating layer 30 being mirror effect with existing surface, the film plating layer 30 of said structure in use not easily produces fingerprint, and have better anti-fingerprint ability, not easily by oil pollution, health is attractive in appearance more.In the present embodiment, the second secondary cutting face 422 is also formed with rough layer 50, so also can plays the effect of anti-fingerprint to the second secondary cutting face 422 without coating structure.Certainly, the setting position of rough layer 50 is not limited thereto, and in other embodiments unshowned in the drawings, rough layer only can be arranged on and be coated with on the first secondary cutting face of film plating layer.
In the cutter of the present embodiment, the wearing layer 31 of film plating layer 30 and intermediate metal 32 all carry out plated film by physical vaporous deposition (PVD).Wherein, physical vaporous deposition (PVD) refers under vacuum, adopt the arc-discharge technique of low-voltage, big current, utilize gas discharge that target is evaporated and make all to be ionized by evaporated material and gas, utilize the acceleration of electric field, make by evaporated material and react product deposition on workpiece.In above process, need Controlling Technology temperature can not be too high, thus prevent that the performance Yin Wendu of matrix 20 is too high to change.Certainly, the film plating process of film plating layer 30 is not limited thereto, and in other embodiments, film plating layer can pass through chemical vapour deposition technique (CVD) and carry out plated film, but the technological temperature of above-mentioned chemical vapour deposition technique is higher, stainless steel base annealing hardness is easily caused to reduce.
As shown in Figure 1, in the cutter of the present embodiment, the part edge that rough layer 50 covers on the first secondary cutting face 412 along the size on the direction perpendicular to sword limit and film plating layer 30 is equal perpendicular to the size on the direction on sword limit, and the surface of the film plating layer 30 covered on the first secondary cutting face 412 can be made so all to present sanding effect.Certainly, the size of rough layer 50 is not limited thereto, and in other embodiments unshowned in the drawings, in order to attractive in appearance, the size of rough layer 50 can be slightly less than the size that film plating layer 30 covers the part on the first secondary cutting face 412; Or in order to ensure that the part that film plating layer 30 covers on the first secondary cutting face 412 all presents sanding effect, the size of rough layer 50 can cover the size of the part on the first secondary cutting face 412 slightly larger than film plating layer 30.In the present embodiment, the wearing layer 31 of film plating layer 30 along the width on the direction perpendicular to sword limit for being more than or equal to 1mm and being less than or equal to 15mm, the thickness of wearing layer 31 for being more than or equal to 0.1 μm and being less than or equal to 4 μm, matrix 20 along on the direction perpendicular to sword limit width for being more than or equal to 18mm and being less than or equal to 40mm.If the thickness of wearing layer 31 is too thin, be easily worn away during sharpening, if the thickness of wearing layer 31 is blocked up, processing time and cost can increase greatly, and the thickness of above-mentioned wearing layer 31 can ensure the wearability of cutter, extend cutting-tool's used life.
As shown in Figure 1, in the cutter of the present embodiment, cutter body 10 and edge structure are Split type structure, and edge structure is connected on cutter body 10 by laser weld.In the present embodiment, weld width is for being more than or equal to 1mm and being less than or equal to 3mm, and weld seam is attractive in appearance.Above-mentioned edge structure after the step such as Overheating Treatment, coating film treatment, then is welded on cutter body 10, can prevent cutter distortion like this, and subsequent treatment is simple, saves process costs.
Present invention also provides a kind of manufacture method of cutter, the edge structure that cutter comprises cutter body 10 and is arranged on cutter body 10.Edge structure comprises matrix 20.Matrix 20 has cutting portion.Cutting portion comprises the first cutting face 41 and the second cutting face 42 be arranged on two relative sides of matrix 20.Second cutting face 42 is without coating structure.Wherein, first cutting face 41 comprises the first main cutting face 411 be obliquely installed and the first secondary cutting face 412 be connected with the first main cutting face 411, second cutting face 42 comprises the second main cutting face 421 be obliquely installed and the second secondary cutting face 422 be connected with the second main cutting face 421, as shown in Figure 3, comprise the following steps successively according to the embodiment of the manufacture method of the application:
Step S10: form matrix 20;
Step S20: carry out sanding process to form rough layer 50 on the surface in the first secondary cutting face 412;
Step S30: fine grinding process is carried out to matrix 20;
Step S40: carry out a plated film to form intermediate metal 32 by vapour deposition process on the first cutting face 41, intermediate metal 32 covers on the rough layer 50 in the first main cutting face 411 and the first secondary cutting face 412;
Step S50: carry out secondary film coating to form wearing layer 31 by vapour deposition process on intermediate metal 32;
Step S60: form edge structure;
Step S70: edge structure is connected on cutter body 10 by laser weld;
Step S80: butt welded seam is polished;
Step S90: form cutter.
As shown in Figure 4, step S10 also comprises the following steps successively:
Step S11: base material forms strip blank by punching press, and heat-treats strip blank;
Step S12: strip blank has the first long limit and the second long limit that are oppositely arranged, carries out bevel grinding to strip blank and reduces gradually on the direction on the first long limit, long limit to the second to make the thickness of strip blank;
Step S13: laser treatment is carried out to strip blank and forms arc texture to make the surface of strip blank;
Step S14: put the first edge on a knife or a pair of scissors to form matrix 20 to strip blank, wherein, strip blank is put the first edge on a knife or a pair of scissors on two sides that strip blank is relative, form the first main cutting face, main cutting face 411, second 421, first secondary cutting face 412 and the second crossing formation sword limit in main cutting face, secondary cutting face 422, first 411 and the second main cutting face 421.
Wherein, vapour deposition process is physical vaporous deposition, and sanding is treated to blasting treatment or abrasive band process, in the present embodiment, is preferably abrasive band process.In addition, the embodiment of the manufacture method of the application also comprises the preparation method of cutter body 10.Particularly, comprise formed cutter body blank (also can be formed by base material punching press) and cutter body blank is heat-treated, bevel grinding, laser treatment.
In step s 11, the strip stainless steel band of the strip blank that punching press is formed to be the width isometric with cutter body blank be 18mm to 40mm, carries out normative heat treatment to strip blank and cutter body blank.In above-mentioned normative heat treatment process, hardening heat is 1050 to 1080 DEG C, and the heat time is 50 to 60 minutes, and cool time is 70 minutes, and temperature is 150 to 220 DEG C, and temperature retention time is 2 to 3 hours.
In step s 12, cutter body blank has the 3rd long limit and the 4th long limit that are oppositely arranged, carry out bevel grinding to cutter body blank to reduce gradually on the direction of the 3rd long limit to the 4th long limit to make the thickness of cutter body blank, and make the thickness of the thickness of the 4th long edge position and the first long edge position of strip blank suitable.
In step s 13, laser treatment is carried out to cutter body blank and form arc texture to make the surface of cutter body blank, final formation cutter body 10.The arc texture that above-mentioned laser treatment is formed can make cutter more attractive in appearance.
In step s 30, fine grinding process is carried out to matrix 20, the burr on the matrix 20 after formation rough layer 50 can be ground off.
In step S70, the laser of laser weld is continuous type light source, and its power is 1000 to 3000W.
Beneficial effect of the present invention is further illustrated below in conjunction with specific embodiment.
The cutter of embodiment 1 to 3 is obtained by above-mentioned preparation method, the cutter of comparative example 1 to 5 is obtained by other plated film modes or processing mode, test in embodiment 1 to 3 according to following speeding-up simulation method of testing with the cutter that obtains in comparative example 1 to 5, test performance the results are shown in Table 1.
Method of testing is by real consumption person's use procedure, the mechanism that cutter blade easily destroys, and increases mechanical analogue accelerated test, evaluates cutter long-durability sharp degree, uses the test loop number of times of test as evaluation criterion.Long-durability sharp degree method of testing, sharpness grade evaluation method are as follows:
1, long-durability sharp degree method of testing
Adopt special testing machine, under the effect of 15N pressure, make experiment cutter carry out reciprocating cutting to test paper, Cutting Length is 5 ㎝, experiment paper size is the yellow brown paper of 120g, and circulation cutting once carries out a sharpness grade evaluation afterwards, and mark one circulation terminates.
2, sharpness grade evaluation method
After often finishing a circulating analog test, experiment cutter is carried out the test of cutting adhesive tape, if evaluation thing cannot be cut off, be then defective, stop experiment.The cycle-index of record circulating analog test, cycle-index multilist shows that long-durability sharp degree is good.
Table 1
Data Comparison as can be seen from table 1, adopt the technical scheme of embodiments of the invention 1 to 3, greatly be better than the cutter adopting the technical scheme of comparative example 1 to 5 to obtain by the long-durability sharp degree of the cutter obtained the reasonable value of wearing layer material, plated film mode and wearing layer thickness, thus prove that the long-durability sharp degree of cutter of the present invention is better.Wherein, adopt the cutting performance of embodiment 1 best, the cutting performance of embodiment 2 and embodiment 3 is also good than the double-sided coating of corresponding comparative example 1 to 5.As can be seen from Table 1, the cutter adopting technical scheme of the present invention to obtain has longer service life, and blade can be made all the time to keep sharp, realizes blade from sharp function.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
Wearing layer is plated in the cutting portion of cutter, and optimizes material and the thickness of wearing layer, effectively improve hardness and the wear-and corrosion-resistant performance of cutting portion, make cutter sharp durable, wearing layer hardness is greater than 1600HV, and rate of wear is less than 1.0*10-8mm
3/ (N*m) (wear volume under unit length unit pressure), anti-wear performance promotes 2 times.Intermediate metal can play the effect of the cutting portion connecting wearing layer and matrix, and can improve the adhesion between wearing layer and the cutting portion of matrix, makes wearing layer difficult drop-off, ensure that the serviceability of cutter.In addition, adopt the mode of coating single side to realize blade from sharp function, manufacture craft is simple, processing cost is low, good in economic efficiency, simultaneously, between intermediate metal and cutting portion, arrange rough layer can make cutter have better anti-fingerprint ability, and not easily by oil pollution, health is attractive in appearance more.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a cutter, the edge structure comprising cutter body (10) and be arranged on described cutter body (10), is characterized in that, described edge structure comprises:
Matrix (20), there is cutting portion, described cutting portion comprises and is arranged on the first cutting face (41) on two relative sides of described matrix (20) and the second cutting face (42), and described first cutting face (41) is crossing with described second cutting face (42) forms sword limit;
Film plating layer (30), comprise stacked wearing layer (31) and intermediate metal (32), described film plating layer (30) covers on described first cutting face (41) along described sword limit, described second cutting face (42) is without coating structure, and described intermediate metal (32) is positioned between described wearing layer (31) and described first cutting face (41).
2. cutter according to claim 1, it is characterized in that, described first cutting face (41) comprises the first main cutting face (411) be obliquely installed and the first secondary cutting face (412) be connected with described first main cutting face (411), described second cutting face (42) comprises the second main cutting face (421) be obliquely installed and the second secondary cutting face (422) be connected with described second main cutting face (421), the described sword limit of formation is intersected in described first main cutting face (411) and described second main cutting face (421), rough layer (50) is provided with between the surface in described first secondary cutting face (412) and described intermediate metal (32).
3. cutter according to claim 2, it is characterized in that, described rough layer (50) is along the part covered perpendicular to the size on the direction on described sword limit and described film plating layer (30) on described first secondary cutting face (412) along equal perpendicular to the size on the direction on described sword limit.
4. cutter according to claim 1, it is characterized in that, described wearing layer (31) edge is perpendicular to the width on the direction on described sword limit for being more than or equal to 1mm and being less than or equal to 15mm, and the thickness of described wearing layer (31) is for being more than or equal to 0.1 μm and being less than or equal to 4 μm.
5. cutter according to claim 1, is characterized in that, the material of described wearing layer (31) is TiC, TiN, TiNC, TiAlN, WC or CrN.
6. cutter according to claim 1, is characterized in that, the material of described intermediate metal (32) is Ti, Al or Fe.
7. cutter according to claim 1, is characterized in that, described cutter body (10) and described edge structure are Split type structure, and described edge structure is by being welded to connect on described cutter body (10).
8. the manufacture method of a cutter, the edge structure that described cutter comprises cutter body (10) and is arranged on described cutter body (10), described edge structure comprises matrix (20), described matrix (20) has cutting portion, described cutting portion comprises and is arranged on the first cutting face (41) on two relative sides of described matrix (20) and the second cutting face (42), described second cutting face (42) is without coating structure, it is characterized in that, described manufacture method comprises the following steps successively:
Step S40: carry out a plated film to form intermediate metal (32) on described first cutting face (41);
Step S50: carry out secondary film coating to form wearing layer (31) on described intermediate metal (32);
Step S60: form described edge structure.
9. manufacture method according to claim 8, is characterized in that, described step S40 also comprises: carry out a described plated film by vapour deposition process; Described step S50 also comprises: carry out described secondary film coating by described vapour deposition process.
10. manufacture method according to claim 9, is characterized in that, described vapour deposition process is physical vaporous deposition.
11. manufacture methods according to claim 8, it is characterized in that, described first cutting face (41) comprises the first main cutting face (411) be obliquely installed and the first secondary cutting face (412) be connected with described first main cutting face (411), also comprises before described step S40:
Step S20: carry out sanding process to form rough layer (50) on the surface in described first secondary cutting face (412); Described step S40 also comprises: described intermediate metal (32) covers on the described rough layer (50) in described first main cutting face (411) and described first secondary cutting face (412).
12. manufacture methods according to claim 11, it is characterized in that, described second cutting face (42) comprises the second main cutting face (421) be obliquely installed and the second secondary cutting face (422) be connected with described second main cutting face (421), also comprises before described step S20:
Step S10: form described matrix (20);
Described step S10 comprises the following steps successively:
Step S11: base material forms strip blank by punching press, and heat-treats described strip blank;
Step S12: described strip blank has the first long limit and the second long limit that are oppositely arranged, carries out bevel grinding to described strip blank and reduces gradually on the direction of described first long limit to described second long limit to make the thickness of described strip blank;
Step S13: laser treatment is carried out to described strip blank and forms arc texture to make the surface of described strip blank;
Step S14: put the first edge on a knife or a pair of scissors to form described matrix (20) to described strip blank, wherein, put the first edge on a knife or a pair of scissors on two sides that described strip blank is relative, form described first main cutting face (411), described second main cutting face (421), described first secondary cutting face (412) and described second secondary cutting face (422) to described strip blank, formation sword limit is intersected in described first main cutting face (411) and described second main cutting face (421).
13. manufacture methods according to claim 8, is characterized in that, also comprise the following steps successively after described step S60:
Step S70: described edge structure is connected on described cutter body (10) by laser weld;
Step S80: butt welded seam is polished;
Step S90: form described cutter.
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| CN114941126A (en) * | 2022-06-29 | 2022-08-26 | 武汉苏泊尔炊具有限公司 | Antibacterial cutter and manufacturing method thereof |
| CN115226515A (en) * | 2022-08-04 | 2022-10-25 | 青岛征和工业股份有限公司 | Saw chain cutter tooth and preparation process |
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