CN207120532U - Cutter - Google Patents
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- CN207120532U CN207120532U CN201720586080.2U CN201720586080U CN207120532U CN 207120532 U CN207120532 U CN 207120532U CN 201720586080 U CN201720586080 U CN 201720586080U CN 207120532 U CN207120532 U CN 207120532U
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- Prior art keywords
- cutter
- metallic glass
- strengthening layer
- amorphous metallic
- alloy
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- Surgical Instruments (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The utility model provides a kind of cutter, including cutter body and amorphous metallic glass strengthening layer.At least a portion on the surface of amorphous metallic glass strengthening layer covering cutter body, to lift the sharpness of cutter body and reduce roughness of the cutter body after use so that the cutter is more durable.
Description
Technical field
A kind of cutter is the utility model is related to, particularly a kind of knife for improving sharpness and reducing the roughness after use
Tool.
Background technology
Cutter is the common tool for the operation such as being cut or being cut for object.General cutter is respectively provided with blade
Portion, and the whether sharp keen effect that can be directly influenced cutter cutting or cut of blade part.When the sharpness reduction of cutter, use
Person generally requires directly to replace new cutter or re-grinding blade part makes its increase sharpness, can spend more use into
This.The sharpness and durability of cutter just show increasingly important.In addition, in cutter in use in order to want smooth cut substrate
Body, it is often necessary to blade part is subjected to back and forth round cutting operation for object, operation every time can all cause the blade part of cutter
Surface produces friction because contacting object, more or less can all cause the abrasion on blade part surface and increase its roughness.Once
The roughness increase of tool surface, can relatively cause the frictional force between cutter and object to become big and then cause under sharpness
Drop.
Therefore, a kind of cutter for increasing sharpness and reducing the increasing degree of roughness after use how is developed,
The actually problem of a worth research.
Utility model content
The purpose of this utility model is to provide a kind of cutter for improving sharpness and reducing the roughness after use.
For the above-mentioned purpose, cutter of the present utility model includes cutter body and to lift the sharpness of the cutter body
Amorphous metallic glass strengthening layer.At least a portion on the surface of amorphous metallic glass strengthening layer covering cutter body.
In an embodiment of the present utility model, cutter body includes blade part, and amorphous metallic glass strengthening layer is at least
Cover the surface of blade part.
In an embodiment of the present utility model, the sharpness for having covered the cutter body of amorphous metallic glass strengthening layer refers to
Number is between 0.358 to 0.376.
In an embodiment of the present utility model, the cutter body for having covered amorphous metallic glass strengthening layer takes through performing one
Skin test test after roughness between 13.1 to 18.1.
In an embodiment of the present utility model, cutter body is dermatome, razor head, surgical scalpel, scissors, operation
Cut, surgical operation crochet hook, stitching unstrument, separator or stripper.
In an embodiment of the present utility model, amorphous metallic glass strengthening layer is a zirconium-based metallic glass material, an iron
Based metallic glass materials, a copper base metal glass material or a titanium-based metal glass material.
In an embodiment of the present utility model, amorphous metallic glass, which strengthens series of strata, includes the material in following group：
Zircaloy, copper alloy, aluminium alloy, tantalum alloy, ferroalloy, titanium alloy, cobalt alloy, nickel alloy, niobium alloy, tungsten alloy and boron close
Gold.
In an embodiment of the present utility model, the hardness of amorphous metallic glass strengthening layer is hard between 700 to 2000 dimension formulas
Between degree.
In an embodiment of the present utility model, the thickness of amorphous metallic glass strengthening layer is 200nm.
Compared with prior art, the beneficial effects of the utility model are：Cutter of the present utility model is by being covered in knife
Have the amorphous metallic glass strengthening layer of body surface, can not only lift the sharpness of cutter body, and utilizing cutter body
After the similar operations such as cutting or cutting are performed to object, the increasing degree of the roughness of cutter body also can be effectively reduced so that
Cutter of the present utility model is more durable.
Brief description of the drawings
Fig. 1 is the schematic appearance of the first embodiment of the utility model cutter；
Fig. 2 is the partial sectional view of the utility model first embodiment；
Fig. 3 is the schematic appearance of the utility model second embodiment.
Description of reference numerals
1st, 1a- cutters 10,10a- cutter bodies
11st, 11a- blade parts 12,12a- shank sections
20th, 20a- amorphous metallic glass strengthening layer
Embodiment
Because various aspects with embodiment are only exemplary and non-limiting, therefore after reading this specification, have usual
Skill understands, without departing under the scope of of the present utility model, may also there is other aspects and embodiment.According to following detailed
Illustrate and claim, the feature that can make the embodiment and advantage are more shown.
In this article, what term " comprising ", " having " or other any similar terms were intended to cover nonexcludability includes thing.
For example, element or structure containing several important documents are not limited only to these important documents listed herein, but can wrap
Include the not expressly listed but element or usual other the intrinsic important documents of body.
In addition, in this article, term " cutter " can refer to any cutter with blade, such as cutting cutter, sanction
Cut and use cutter or other kinds of cutter etc..
Fig. 1 and Fig. 2 is please refer to below.As shown in Figures 1 and 2, in first embodiment of the present utility model, cutter 1
Including cutter body 10 and amorphous metallic glass strengthening layer 20.Cutter body 10 includes blade part 11 and shank section 12, wherein knife
Blade 11 mainly performs the cutting function for arbitrary objects, and shank section 12 provides user and grips or be fixed on any device
Function, in favor of being cut using cutter 1 or trimming operation.In the present embodiment, cutter body 10 is slim to be formed
It is illustrated exemplified by the dermatome (dermatome blades) of body, its blade part 11 is located at cutter sheet respectively with shank section 12
The relative dual side-edge of body 10, but the utility model is not limited, and in addition to foregoing dermatome, cutter body 20 can also be
Razor head (shaving knife), surgical scalpel (surgical scalpel), scissors (scissors), operating scissors
(surgical scissors), surgical operation crochet hook (surgical crochet), stitching unstrument (stapler), separator
(splitter) or the different application type such as stripper (stripper) cutter.Foregoing cutter body 10 is stainless by medical grade
Steel material is made, but the utility model lifts cutting performance and is not only restricted to blade material, and alloy type cutter also has equivalent effect.
As shown in Fig. 2 amorphous metallic glass strengthening layer 20 covers at least a portion on the surface of cutter body 10；Namely
Say, amorphous metallic glass strengthening layer 20 can only cover the part surface of cutter body 10, or amorphous metallic glass strengthening layer
20 can cover all surfaces of cutter body 10, and end is different depending on demand or design and is changed.Such as in the present embodiment,
Cutter body 10 is that the amorphous metallic glass strengthening layer 20 formed covers all, but the utility model is not limited.
Amorphous metallic glass strengthening layer 20 is by sputtering way, and thin film plating is formed in the surface of cutter body 10
Layer, and the thickness of the amorphous metallic glass strengthening layer 20 formed only has 200nm, but thickness of coating can also change with different demands
Become, or even 2000nm can be increased to.Amorphous metallic glass strengthening layer 20 mainly includes having non crystalline structure (the i.e. random row of atom
The structure of row) metal glass material, metal glass material described herein can be titanium-based metal glass material, zirconium-based metallic
Glass material, iron-based metallic glass materials, copper base metal glass material or other there is the metal glass material of similarity.This
Outside, in the utility model, amorphous metallic glass strengthening layer 20 may include the material in following group：Zircaloy, copper alloy,
Aluminium alloy, tantalum alloy, ferroalloy, titanium alloy, cobalt alloy, nickel alloy, niobium alloy, tungsten alloy and boron alloy etc..For example, it is non-
Brilliant glassy metal strengthening layer 20 can use the metal glass for including the different materials alloy such as ZrCuAlTa, FeTiCoNiBNb, WNiB
Glass material, but the adoptable amorphous metallic glass strengthening layer 20 of the utility model is not limited with aforementioned exemplary.
In addition, aforementioned metal glass material has the smooth and flawless advantage of surfacing, and by metal glass material
The amorphous metallic glass strengthening layer 20 of composition has higher hardness, thus by amorphous metallic glass strengthening layer 20 formation more
The structural strength of cutter body 10 partly or wholly can be strengthened.Such as in the present embodiment, amorphous metallic glass strengthening layer 20
Hardness can change with composition material and composition difference, and its value is between 700 to 2000 dimension formula hardness (HV).
Refer to Fig. 3 is the second embodiment about cutter 1a of the present utility model.As shown in figure 3, in the present embodiment,
Cutter 1a cutter body 10a is illustrated by taking surgical scalpel as an example.Set from cutter body 10a one end along side
There is blade part 11a, and shank section 12a then connects blade part 11a and is directed away from blade part 11a direction extension.Accordingly, be because
The cutter body 10a of this type, amorphous metallic glass strengthening layer 20a is answered only to cover blade part 11a surface (in Fig. 3
Represented with oblique line portion) to make the intensive treatment of emphasis structure, without covering the shank section 12a positioned at rear end, to reduce material
The cost used, but the utility model is not limited.
Lift below used by the first embodiment of foregoing cutter of the present utility model 1 exemplified by dermatome, difference will be applied
The cutter 1 of amorphous metallic glass strengthening layer 20 and the same tool for not having any strengthening layer are sharp keen based on being carried out under the same terms
The experiment such as degree and roughness, and the experimental data presented by comparing with strengthening layer with not having the cutter of any strengthening layer,
To prove the practicality and effect of cutter 1 of the present utility model.
Table 1 is the general cutter for not having any strengthening layer compared with the sharpness experimental data of cutter 1 of the present utility model
Table.The experimental method of sharpness is that service-test machine clamps dermatome in one end herein, and the other end then fixes object to be cut
(being to use PU rubber in this experiment), dermatome is moved towards object to be cut by testing machine, to cause dermatome
In cutting out an otch on object to be cut, related data is measured accordingly and is calculated via formula to obtain the different knifes edge
Sharp keen index (Blade Sharpness Index, BSI), and then assess by sharp-edged index the sharpness of cutter；Its
Middle sharp-edged index is more low then to represent that the sharpness of cutter is better.It is to take skin by same also, in the experiment of following sharpness
Knife is divided into two different zones, and only forms the amorphous as covered cutter body surface in the utility model in a wherein region
Glassy metal strengthening layer, in favor of same tool bulk conditions similarly hereinafter when for not having any strengthening layer and there is amorphous metal
The cutter of glass reinforced layer is tested, and is avoided because using the issuable experimental data error of different cutters.
Wherein a dermatome is divided into two region A1 by the experiment of A groups and A2, A1 region do not have in the surface of dermatome
Any strengthening layer, A2 regions then cover the table of dermatome with the amorphous metallic glass strengthening layer including zirconium-based metallic glass material
Face；Another dermatome is divided into the experiment of B groups into two region B1 and B2, B1 region do not have any reinforcing in the surface of dermatome
Layer, B2 regions then cover the surface of dermatome with the amorphous metallic glass strengthening layer including iron-based metallic glass materials；For A groups
And B component does not carry out sharpness experiment with foregoing testing machine, experimental result data is as listed in table 1：
Table 1
As shown in table 1, the experimental result based on two groups of A, B, the surface that can be known from dermatome is coated with amorphous metallic glass
The region A2 or B2 of strengthening layer, its sharp-edged index are significantly lower than the region A1 or B1 for not having any strengthening layer, it was demonstrated that no matter
Tool surface is to form the amorphous metallic glass strengthening layer including zirconium-based metallic glass material or iron-based metallic glass materials, equal energy
Effectively improve the sharpness of cutter.In addition, the experimental result based on table 1, forms the amorphous gold for including zirconium-based metallic glass material
Belong to the region A2 of glass reinforced layer, compared to the region A1 for not having any strengthening layer, its sharpness can improve at least 7.5%；And
The region B2 of the amorphous metallic glass strengthening layer including iron-based metallic glass materials is coated with, compared to the area for not having any strengthening layer
Domain B1, its sharpness more can reach 8.6%.Accordingly, it is sufficient to prove that cutter 1 of the present utility model plates in the surface of cutter body 10
After upper amorphous metallic glass strengthening layer 20, the sharpness of cutter body 10 can be effectively improved.
Table 2 is the general cutter for not having any strengthening layer compared with the roughness experimental data of cutter 1 of the present utility model
Table.The experimental method of roughness is to use CCI-Lite Surface Interference instrument herein, come measure cutter through different use conditions after
The roughness that tool surface is presented；Wherein roughness is more low then represents that wear intensity suffered by cutter is less.Similarly, following
It is that same cutter is divided into two different zones, and only form such as the utility model in a wherein region in roughness experiment
Covering cutter body surface amorphous metallic glass strengthening layer, in favor of same tool bulk conditions similarly hereinafter when for not having
Any strengthening layer and the cutter with amorphous metallic glass strengthening layer are tested, and are avoided because issuable using different cutters
Experimental data error.
Wherein a dermatome is divided into two region A1 by the experiment of A groups and A2, A1 region do not have in the surface of dermatome
Any strengthening layer, A2 regions then cover the table of dermatome with the amorphous metallic glass strengthening layer including zirconium-based metallic glass material
Face；Another dermatome is divided into the experiment of B groups into two region B1 and B2, B1 region do not have any reinforcing in the surface of dermatome
Layer, B2 regions then cover the surface of dermatome with the amorphous metallic glass strengthening layer including iron-based metallic glass materials.Also, it is directed to
A groups and B group dermatomes are to take skin test to test under progress different condition out of the ordinary, and measure each dermatome respectively without before using and sharp
The roughness (unit nm) for taking skin test to test rear (i.e. after use) is performed with dermatome.It is described herein to take skin test to test to refer to utilize
Dermatome for the skin surface of pig performs the skin operation that takes of certain distance, and (described to take skin operation be according on pig skin
The distance for performing and taking skin to operate has been rejected and adjusted to hair whether), to remove its epidermis position.Related experiment result data such as table
Listed by 2：
Table 2
As shown in table 2, the experimental result based on two groups of A, B, can learn carry out it is any take skin test to test before, in dermatome
Region A2 or B2 of the surface formed with amorphous metallic glass strengthening layer, the roughness on its cutter body surface, which is below not having, appoints
The region A1 or B1 of what strengthening layer, it was demonstrated that whether being formed includes the non-of zirconium-based metallic glass material or iron-based metallic glass materials
Brilliant glassy metal strengthening layer, can make the roughness on cutter body surface reduce, and make the surface of cutter body more smooth.And
By it is any take skin test to test after, do not have the roughness that the region A1 or B1 of any strengthening layer are presented and substantially hurriedly increase, mutually than
Under, it is coated with the roughness that the region A2 or B2 of amorphous metallic glass strengthening layer be presented in cutter body surface and only rises a little；
Skin test is taken to test even under different condition, the ascendant trend that both are presented is consistent, only for crinite pig
The skin test that takes that skin is carried out is tested, can be because by the experimental data for influenceing to make its roughness existing for hair in cutting process
Skin test is taken to test higher than what is carried out for atrichous pig skin.
Regardless of whether using includes zirconium-based metallic glass material or the amorphous metallic glass strengthening layer of iron-based metallic glass materials,
Through it is any take skin test to test after can make cutter body that the roughness lower compared to the position for not having any strengthening layer be presented, even if
For crinite position on pig skin, its roughness of cutter body can still be maintained after taking skin test to test 24% with
Under.Accordingly, it is sufficient to prove to form the cutter of the present utility model of amorphous metallic glass strengthening layer 20 in the surface of cutter body 10
1, take skin test to test so that cutter body surface contacts with object and produces friction in large area, by amorphous gold even across foregoing
Belong to the characteristic of glass reinforced layer 20, still can effectively reduce the roughness that cutter body surface is presented.
In addition, the dermatome covered with amorphous metallic glass strengthening layer takes skin to grasp because having preferable sharpness in execution
After work, for the otch that the tissue cut after being cut is more smooth and more smooth compared to the otch for not having any strengthening layer
For smaller by the extent of injury caused by pullling tissue.
In summary, by foregoing presented various experimental datas, cutter 1 of the present utility model can further be learnt
By the amorphous metallic glass strengthening layer 20 formed in the surface of cutter body 10, the sharpness of cutter body 10 can be effectively lifted
And roughness of the cutter body 10 after use is reduced, and then improve the durability and practicality of cutter 1 of the present utility model.
Embodiment of above is substantially only to aid in illustrating, and is not intended to limit the embodiment or described of application target
The application of embodiment or purposes.In addition, although proposing an at least exemplary embodiments in aforementioned embodiments, it will be appreciated that
Substantial amounts of change still may be present in the utility model.It is equally understood that embodiment as described herein is not intended to by appointing
Where formula limits scope, purposes or the configuration of asked application target.Opposite, aforementioned embodiments can provide this area
Has a kind of easy guide of usually intellectual to implement one or more described embodiments.Furthermore can to the function of element with
Arrangement carries out the category that various change is defined without departing from claim, and claim includes known equalization
Thing and all when present application for patent is filed an application are it is contemplated that equalization.
Claims (8)
- A kind of 1. cutter, it is characterised in that including：One cutter body, including a blade part and a shank section, the blade part are located at a side of the cutter body；AndOne to lift the amorphous metallic glass strengthening layer of the sharpness of the cutter body, and the amorphous metallic glass strengthening layer is at least Cover the surface of the blade part of the cutter body.
- 2. cutter according to claim 1, it is characterised in that wherein covered the knife of the amorphous metallic glass strengthening layer Has the sharpness index of body between 0.358 to 0.376.
- 3. cutter according to claim 1, it is characterised in that wherein covered the knife of the amorphous metallic glass strengthening layer Roughness of the tool body after performing one and taking skin test to test is between 13.1 to 18.1.
- 4. cutter according to claim 1, it is characterised in that wherein the cutter body is a dermatome, a razor head, one Surgical scalpel, a scissors, an operating scissors, a surgical operation crochet hook, a stitching unstrument, a separator or a stripper.
- 5. cutter according to claim 1, it is characterised in that wherein the amorphous metallic glass strengthening layer is a zirconium-based metallic Glass material, an iron-based metallic glass materials, a copper base metal glass material or a titanium-based metal glass material.
- 6. cutter according to claim 1, it is characterised in that wherein the amorphous metallic glass, which strengthens series of strata, includes following group A material in group：Zircaloy, copper alloy, aluminium alloy, tantalum alloy, ferroalloy, titanium alloy, cobalt alloy, nickel alloy, niobium alloy, Tungsten alloy and boron alloy.
- 7. cutter according to claim 1, it is characterised in that wherein the hardness of the amorphous metallic glass strengthening layer between Between 700 to 2000 dimension formula hardness.
- 8. cutter according to claim 1, it is characterised in that the thickness of the wherein amorphous metallic glass strengthening layer is 200nm is between 2000nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720586080.2U CN207120532U (en) | 2017-05-24 | 2017-05-24 | Cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720586080.2U CN207120532U (en) | 2017-05-24 | 2017-05-24 | Cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207120532U true CN207120532U (en) | 2018-03-20 |
Family
ID=61615281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720586080.2U Active CN207120532U (en) | 2017-05-24 | 2017-05-24 | Cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207120532U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115181926A (en) * | 2021-09-08 | 2022-10-14 | 武汉苏泊尔炊具有限公司 | Cutting tool |
-
2017
- 2017-05-24 CN CN201720586080.2U patent/CN207120532U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115181926A (en) * | 2021-09-08 | 2022-10-14 | 武汉苏泊尔炊具有限公司 | Cutting tool |
| CN115181926B (en) * | 2021-09-08 | 2023-12-01 | 武汉苏泊尔炊具有限公司 | Cutting tool |
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