CN211966068U - Milling cutter - Google Patents
Milling cutter Download PDFInfo
- Publication number
- CN211966068U CN211966068U CN202020550422.7U CN202020550422U CN211966068U CN 211966068 U CN211966068 U CN 211966068U CN 202020550422 U CN202020550422 U CN 202020550422U CN 211966068 U CN211966068 U CN 211966068U
- Authority
- CN
- China
- Prior art keywords
- milling cutter
- handle
- knife
- cutter
- tool bit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Milling Processes (AREA)
Abstract
The utility model provides a milling cutter, this milling cutter comprises handle of a knife and tool bit, the tool bit set up in the one end of handle of a knife, just the handle of a knife be tungsten steel material the tool bit be zirconia ceramic material, handle of a knife and tool bit two parts intercombination constitute complete milling cutter. The structure can effectively avoid the defects of insufficient strength and low processing precision of the milling cutter which is prepared by tungsten steel in the prior art, and the strength of the whole cutter is well enhanced by the material mode of mutually combining the tungsten steel and the zirconia ceramics, so that the milling cutter is not deformed in the using process and has high processing precision; in addition, the milling cutter head is directly made of zirconia ceramics, the milling cutter head is high in hardness and more wear-resistant, and a coating is not required to be coated additionally, so that the pollution of chemical plating cannot be caused; and is more suitable for milling of processing fragile materials such as graphite, bakelite and the like.
Description
Technical Field
The utility model relates to a technical field of milling cutter, specificly relate to a milling cutter that is fit for processing brittle material.
Background
A milling cutter is a rotating tool for milling machining having one or more cutter teeth. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine.
The main structure of the milling cutter on the market at present is mostly a tungsten steel cutter head, and then a wear-resistant coating is coated on the tungsten steel cutter head; milling cutters of this construction suffer from certain disadvantages and drawbacks: 1. firstly, the milling cutter head is provided with a coating, the coating is easy to wear in the using process, once the coating is worn, the cutting processing is difficult to carry out, and the service life is short; 2. secondly, the milling cutter head and the cutter handle are made of tungsten steel materials, the materials are insufficient in strength, and particularly when a brittle material is machined, the milling cutter is easy to deform, and machining precision is affected; 3. in addition, the existing milling cutter is a chemical plating process in the process of preparing a coating, so that environmental pollution is easily caused; and because the texture of the milling cutter head is set differently, the evenness of the coating is influenced easily.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to the above-mentioned not enough of prior art, provide one kind and be suitable for processing brittle material, be difficult to warp, machining precision is high, cutter body intensity is strong, long service life's milling cutter.
In order to solve the technical problem, the application provides a milling cutter which comprises a cutter handle and a cutter head, wherein the cutter head is arranged at one end of the cutter handle, the cutter handle is made of tungsten steel materials, the cutter head is made of zirconia ceramic materials (namely, the cutter handle is made of tungsten steel materials, the cutter head is made of zirconia ceramic materials, and the cutter handle and the cutter head are combined with each other to form the complete milling cutter.
With this structure as described above: the structure of the milling cutter is characterized in that a cutter handle made of tungsten steel and a cutter head made of zirconia ceramics are combined with each other to form a complete milling cutter structure, the defects that the traditional milling cutter made of tungsten steel is not enough in strength and low in machining precision can be effectively overcome, the strength of the whole cutter is well enhanced through a material mode that the tungsten steel and the zirconia ceramics are combined with each other, deformation is avoided in the using process, and the machining precision is high; in addition, the milling cutter head is directly made of zirconia ceramics, the milling cutter head is high in hardness and more wear-resistant, and a coating is not required to be coated additionally, so that the pollution of chemical plating cannot be caused; and is more suitable for milling of processing fragile materials such as graphite, bakelite and the like.
Preferably, one end of the tool handle is provided with a first external thread, one end of the tool bit is provided with a first internal thread, and the first external thread and the first internal thread are matched with each other and are in threaded connection so as to realize the combination of the tool handle and the tool bit. The connection mode is firmer, the bonding between the tool bit and the tool handle is firmer, and the connection mode is simple, easy to process and easy to change.
Preferably, one end of the tool handle is provided with a second internal thread, one end of the tool bit is provided with a second external thread, and the internal thread and the external thread are matched with each other and are in threaded connection so as to realize the combination of the tool handle and the tool bit.
Further preferably, the threaded connection part is further provided with an adhesive to fasten the tool shank and the tool bit. The connection firmness of the tool shank and the tool bit is further enhanced through the adhesive.
Preferably, the tool shank and the tool bit are in a long-strip columnar shape, and the outer diameter of the tool shank is equal to that of the tool bit; by adopting the structure, the combined milling cutter can be ensured to have high strength and high processing precision.
Preferably, the outer surface of the cutting head is provided with a cutting edge texture (the texture can be processed into different knife-shaped textures, such as a spiral shape, a prism shape and the like, according to the shapes of different processing materials).
Preferably, the length ratio of the knife handle to the knife head is 1: 0.5-6; by adopting the proportion distribution, the advantages of the combined milling cutter formed by the tungsten steel cutter handle and the zirconia ceramic cutter head can be better combined, and the combined milling cutter has the advantages of high strength, no deformation and high processing precision.
More preferably, the length ratio of the tool shank to the tool bit is 1: 1-5.
Preferably, the tungsten steel knife handle and the zirconia ceramic knife head are welded and combined; by adopting the mode, the combination of the cutter handle and the cutter head can be well realized, so that the combination type milling cutter is assembled.
Drawings
Fig. 1 is a schematic view of an angle structure of the milling cutter according to the present application.
Fig. 2 is a schematic view of another angle structure of the milling cutter of the present application.
Fig. 3 is a schematic structural view of the milling cutter of the present application, wherein the external thread is arranged on the cutter handle and the internal thread is arranged on the cutter head.
Fig. 4 is a schematic structural view of the milling cutter of the present application, in which the internal thread is disposed on the shank and the external thread is disposed on the cutter head.
As shown in the figure: 1. the tool comprises a tool handle, 1.1. a first external thread, 1.2. a second internal thread, 2. a tool bit, 2.1. a first internal thread and 2.2. a second external thread.
Detailed Description
The present application will be described in further detail below by way of examples with reference to the accompanying drawings, but the present application is not limited to the following examples.
The first and the second of the application are used for distinguishing the positions of the threads arranged on different main bodies, and are not used for limiting the number; the cutter head and the cutter handle can be machined well by adopting an industry conventional process, and then are combined according to the structure protection mode to form a complete tungsten steel cutter handle and zirconia ceramic cutter head combined milling cutter structure. The tungsten steel and the zirconia ceramic are both conventional materials in the industry and are not special materials, and commercially available tungsten steel materials and zirconia ceramic materials can meet the processing requirements of the milling cutter structure; the milling cutter is characterized in that a cutter handle made of tungsten steel is combined with a cutter head made of zirconia ceramic material for the first time to obtain the milling cutter suitable for cutting fragile materials such as graphite, bakelite and bakelite, and the milling cutter has the advantage of being very comprehensive.
As an embodiment, as shown in fig. 1-2, the milling cutter of the present application comprises a cutter handle 1 and a cutter head 2, wherein the cutter head is disposed at one end of the cutter handle, the cutter handle is made of tungsten steel, and the cutter head is made of zirconia ceramics (i.e., the cutter handle is made of tungsten steel, and the cutter head is made of zirconia ceramics), and the cutter handle and the cutter head are combined with each other to form a complete milling cutter. Specifically, as shown in fig. 1-2, one end of the knife handle is a free end, and the other end of the knife handle is connected with the knife head; the free end of the cutter head is a forming end of the profile of the cutting edge and is used for cutting a machined part, the other end of the cutter head is connected with the cutter handle in a threaded connection mode, the cutting edge part can not occupy the cutter head completely, and the cutting edge distribution which meets the machining requirement can be achieved.
With the above-described: the structure of the milling cutter is characterized in that a cutter handle made of tungsten steel and a cutter head made of zirconia ceramics are combined with each other to form a complete milling cutter structure, the defects that the traditional milling cutter made of tungsten steel is not enough in strength and low in machining precision can be effectively overcome, the strength of the whole cutter is well enhanced through a material mode that the tungsten steel and the zirconia ceramics are combined with each other, deformation is avoided in the using process, and the machining precision is high; in addition, the milling cutter head is directly made of zirconia ceramics, and the milling cutter head does not need to be coated with a coating additionally, so that the pollution of chemical plating is avoided, and the milling cutter head made of zirconia ceramics has high strength, is wear-resistant and has greatly prolonged service life; and is more suitable for milling of processing fragile materials such as graphite, bakelite and the like.
As shown in fig. 3: as an embodiment, one end of the tool handle 1 is provided with a first external thread 1.1, one end of the tool bit 2 is provided with a first internal thread 2.1, and the first external thread 1.1 and the first internal thread 2.1 are matched with each other and are in threaded connection so as to realize the combination of the tool handle and the tool bit. The connection mode is firm in connection, the two are bonded more firmly, and the connection mode is simple, easy to process and easy to replace.
As shown in fig. 4: as an embodiment, one end of the tool handle is provided with a second internal thread 1.2, one end of the tool bit is provided with a second external thread 2.2, and the second internal thread and the second external thread are matched with each other and are in threaded connection so as to realize the combination of the tool handle and the tool bit.
The two types of connection modes of the tool bit and the tool handle are listed for the embodiment of the application, and other modes capable of realizing the fastening connection of the tool bit and the tool handle are all suitable for the application.
As an embodiment, the threaded connection part is also provided with an adhesive so as to realize the fastening of the tool shank and the tool bit. The connection firmness of the tool shank and the tool bit is further enhanced through the adhesive. Specifically, coating non-solid-state adhesive on the external thread, then the two threaded connection of tool bit and handle of a knife, the adhesive is coated on threaded connection face, when its solidification dry process just realized the secondary bonding in threaded connection department, and it is inseparabler firm to ensure tool bit and handle of a knife connection, can not cause the separation of the two in the high-speed rotatory operational environment of milling cutter.
As shown in fig. 1-4, as an embodiment, the tool holder 1 and the tool bit 2 described in the present application are in a long-bar shape, that is, the tool holder is in a long-bar shape (length-diameter ratio is greater than 1), the tool bit is also in a long-bar shape, and the outer diameter of the tool holder and the outer diameter of the tool bit (the maximum outer diameter of the tool bit) can be set to be equal; by adopting the structure, the combined milling cutter can be ensured to have high strength and high processing precision, and the strip cylindrical milling cutter structure is more suitable for processing relatively brittle materials such as graphite, bakelite and the like, and is more stable and reliable in operation; in addition, at specific use, the cooperation of this kind of rectangular columnar tungsten steel handle of a knife and zirconia ceramic tool bit, intensity and machining precision between the two that can be fine balance, the more steady reliability of operation is particularly suitable for fragile materials such as processing graphite, bakelite or bakelite, and machining precision is more accurate, because fragile material in case the cutter operation is unstable and causes brittle failure easily, and this kind of specific integrated configuration and mode of this application can not lead to the fact the harm to fragile material.
As shown in fig. 1-4, as an embodiment, the outer surface of the cutting head is provided with a spiral cutting edge texture (i.e., a profile of the cutting edge is formed, and different machined parts are machined, the texture may be machined into different blade-shaped textures, such as a spiral shape, a ridge shape, etc., according to the shapes of different machined materials), and the spiral cutting head texture extends out along the axial direction by a certain length, which may not be specifically limited, as long as the machining requirements are met.
As an embodiment, the length ratio of the knife handle to the knife head is 1: 0.5-6; by adopting the proportion distribution, the advantages of the combined milling cutter formed by the tungsten steel cutter handle and the zirconia ceramic cutter head can be better combined, and the combined milling cutter has the advantages of high strength, no deformation and high processing precision. More preferably, the length ratio of the tool shank to the tool bit is 1: 1-5.
In the process of processing graphite, the traditional tungsten steel milling cutter with the coating (the whole milling cutter is integrally formed by adopting tungsten steel) can be used for only 8-10 hours, the coating is damaged and worn once the time is over, and the milling cutter cannot be used and the processing precision cannot be ensured after the milling cutter is continuously used for about 2 hours; the milling cutter with the combined structure can be continuously used for months, and can be continuously used as long as the zirconia ceramic cutter head is not damaged or broken.
Of course, in the embodiment of the application, the tool shank and the tool bit are not only combined through threads, but also welded and combined by adopting a tungsten steel tool shank and a zirconia ceramic tool bit; by adopting the mode, the combination of the cutter handle and the cutter head can be well realized, so that the combination type milling cutter is assembled.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A milling cutter, this milling cutter comprises handle of a knife and tool bit, its characterized in that: the milling cutter is characterized in that the cutter head is arranged at one end of the cutter handle, the cutter handle is made of tungsten steel materials, the cutter head is made of zirconia ceramic materials, and the cutter handle and the cutter head are combined with each other to form a complete milling cutter.
2. The milling cutter according to claim 1, wherein: one end of the handle is provided with a first external thread, one end of the tool bit is provided with a first internal thread, and the first external thread and the first internal thread are matched with each other and are in threaded connection so as to realize the combination of the handle and the tool bit.
3. The milling cutter according to claim 1, wherein: one end of the knife handle is provided with a second internal thread, one end of the knife head is provided with a second external thread, and the second internal thread and the second external thread are matched with each other and are in threaded connection so as to realize the combination of the knife handle and the knife head.
4. The milling cutter according to claim 2 or 3, wherein: and the thread connection part is also provided with an adhesive to realize the fastening of the tool holder and the tool bit.
5. The milling cutter according to claim 1, wherein: the handle of a knife all show rectangular column with the tool bit.
6. The milling cutter according to claim 5, wherein: the outer diameter of the knife handle is equal to that of the knife head.
7. The milling cutter according to claim 1, wherein: the outer surface of the cutter head is provided with cutting edge textures.
8. The milling cutter according to claim 1, wherein: the length ratio of the knife handle to the knife head is 1: 0.5-6.
9. The milling cutter according to claim 1, wherein: the length ratio of the knife handle to the knife head is 1: 1-5.
10. The milling cutter according to claim 1, wherein: the tungsten steel knife handle and the zirconia ceramic knife head are welded and combined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020550422.7U CN211966068U (en) | 2020-04-14 | 2020-04-14 | Milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020550422.7U CN211966068U (en) | 2020-04-14 | 2020-04-14 | Milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211966068U true CN211966068U (en) | 2020-11-20 |
Family
ID=73385105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020550422.7U Active CN211966068U (en) | 2020-04-14 | 2020-04-14 | Milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211966068U (en) |
-
2020
- 2020-04-14 CN CN202020550422.7U patent/CN211966068U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4355932A (en) | Indexable spade drill blade | |
| JP4653744B2 (en) | CBN cutting tool for high quality and high efficiency machining | |
| US10124421B2 (en) | End milling cutter for heat-resistant superalloys | |
| CN110695386B (en) | Indexable turning tool | |
| CN103052459A (en) | Contour end mill | |
| CN108672779A (en) | milling cutter for processing graphite workpiece | |
| CN211966068U (en) | Milling cutter | |
| WO2021197215A1 (en) | Blank body, and cutting tool having front cutter face made of helical superhard material | |
| CN208450680U (en) | Milling cutter for processing graphite workpiece | |
| CN215698295U (en) | Double-chamfer milling cutter | |
| CN109732717B (en) | Spiral ceramic cutter tooth structure | |
| CN211708208U (en) | Titanium alloy double-chip-groove round nose milling cutter | |
| CN214023699U (en) | A whole double-end becomes grooved milling cutter for stainless steel processing | |
| CN212350404U (en) | Three-edge shallow slot processing blade and slot cutter | |
| CN113333801A (en) | Tool bit structure and cutter | |
| JPH03202217A (en) | Ceramic tool and manufacture thereof | |
| CN217095723U (en) | Tool bit structure and cutter | |
| CN215315940U (en) | Processing cutter for key groove of lock key threaded sleeve | |
| JPH0131370Y2 (en) | ||
| CN215033892U (en) | Drilling and milling composite cutter for integral alloy coating | |
| CN215468359U (en) | Insert welding milling cutter head | |
| CN212945617U (en) | Twist drill | |
| JPH039945Y2 (en) | ||
| CN212419798U (en) | Indexable formed milling cutter | |
| CN217571036U (en) | Small-diameter milling cutter for processing low-sulfur stainless steel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A type of milling cutter Effective date of registration: 20230907 Granted publication date: 20201120 Pledgee: Ningbo Ninghai Sub branch of Zhejiang Tailong Commercial Bank Co.,Ltd. Pledgor: Ningbo Hengsheng cutting tools Co.,Ltd. Registration number: Y2023980055736 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |