CN211708267U - Straight knife structure - Google Patents
Straight knife structure Download PDFInfo
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- CN211708267U CN211708267U CN201921965916.5U CN201921965916U CN211708267U CN 211708267 U CN211708267 U CN 211708267U CN 201921965916 U CN201921965916 U CN 201921965916U CN 211708267 U CN211708267 U CN 211708267U
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- cutting
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- chip removal
- removal groove
- cutting edge
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Abstract
The utility model provides a straight sword structure contains: a knife handle; the cutter head is integrally arranged at one end of the cutter handle and is provided with a working part and a connecting part; the working part is characterized in that the working part is provided with a first cutting edge and a second cutting edge, the first cutting edge is provided with a first chamfer section and a first cutting section, the second cutting edge is provided with a second chamfer section and a second cutting section, a first chip removal groove is formed between the first chamfer section and the second cutting section, a second chip removal groove is formed between the second chamfer section and the first cutting section, a first chip removal groove parallel to the first chip removal groove is concavely arranged between the first chip removal groove and the connecting part, and a second chip removal groove parallel to the second chip removal groove is concavely arranged between the second chip removal groove and the connecting part; therefore, the aims of smoothly discharging chips and prolonging the service life are fulfilled.
Description
Technical Field
The present invention relates to a straight blade structure, and more particularly to a straight blade structure for smooth chip removal and quick cutting.
Background
The existing straight cutter structure needs to discharge cutting chips in real time due to large cutting amount, otherwise the accumulated cutting chips cause the problems of local temperature rise and repeated cutting chips, once the cutting chips are blocked, the cutting operation cannot be continued, the machining must be temporarily stopped, and the cutting pin cutter needs to be replaced again, so that the machining efficiency is obviously poor, and the machining cost is increased.
The existing straight knife structure is not the best design, cutting chips generated after cutting are in a long strip shape and exit, the long strip-shaped cutting chips are easy to wind on the cutting edge and can cause accidental injury, therefore, the cutting chips are very unsmooth when in use, the cutting edge is easy to break, the defect of continuous feeding is caused, the cutting efficiency and smoothness of processing are further influenced, the processing requirement cannot be met, and the service life of the straight knife structure is shortened.
Therefore, how to solve the above conventional problems and disadvantages is the direction of the present invention to be studied and improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a straight sword structure, when cutting, can make the cutting bits of production smoothly discharge, can keep the most advanced rigidity of tool bit and sharpness again, reach the chip removal smoothly, avoid the tool bit to crack, and promote life's purpose.
In order to achieve the above object, the present invention provides a straight knife structure, comprising:
a handle having an axis; and
the cutter head is integrally formed at one end of the cutter handle along the axis and is provided with a working part and a connecting part which is connected with the working part and the cutter handle and is in a bundling shape;
the tool is characterized in that the working part is provided with a first cutting edge and a second cutting edge which is symmetrical to the first cutting edge, the first cutting edge is provided with a first chamfer section and a first cutting section connected with one end of the first chamfer section, the second cutting edge is provided with a second chamfer section and a second cutting section connected with one end of the second chamfer section, a first chip removal groove which is parallel to the first chip removal groove and extends towards the tool shank is formed between the first chamfer section and the second cutting section, a second chip removal groove which is parallel to the second chip removal groove and extends towards the tool shank is formed between the second chip removal groove and the connecting part.
Preferably, the first chamfer section has a first inclined surface and a first setting surface connected to the first inclined surface and provided for the first cutting section to set, and the second chamfer section has a second inclined surface and a second setting surface connected to the second inclined surface and provided for the second cutting section to set.
Preferably, the first inclined plane and the second inclined plane have the same inclination angle.
Preferably, the handle is recessed with a positioning ring groove connected to the connecting portion.
Therefore, the utility model provides a straight knife structure, which mainly comprises a knife handle and a knife head, wherein the first chamfer section and a first cutting section connected with the first chamfer section are arranged on the first cutting edge, the second chamfer section and a second cutting section connected with the second chamfer section are arranged on the second cutting edge, so as to keep the rigidity and sharpness of the tip end of the knife head, fully reduce the friction area during cutting and achieve the purpose of quick cutting, a first chip removal groove which is parallel to the first chip removal groove and extends towards the knife handle is concavely arranged between the first chip removal groove and the second chamfer section, a second chip removal groove which is parallel to the second chip removal groove and extends towards the knife handle is concavely arranged between the second chip removal groove and the first chamfer section, the first chip removal groove and the second chip removal groove are utilized to realize the chip removal function during cutting, so that the chips are easily removed during cutting, the cutting is stable and can not cause blockage, the aims of smooth chip removal and effective service life prolonging are achieved.
In order to make the aforementioned and other features and advantages of the invention more comprehensible, embodiments accompanied with figures are described below. And will be described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is a top view of an embodiment of the present invention.
Fig. 3 is an enlarged view of the first embodiment of the present invention.
Fig. 4 is an enlarged view of the second embodiment of the present invention.
Fig. 5 is a usage state diagram of the embodiment of the present invention.
Detailed Description
The foregoing and other features, aspects and utilities of the present invention will be apparent from the following more particular description of the preferred embodiments, as illustrated in the accompanying drawings.
Referring to fig. 1 to 5, an embodiment of the present invention provides a straight knife structure, which mainly comprises a knife handle 10 and a knife head 20, wherein:
the tool shank 10 has an axis 11; specifically, the outer diameter of the shank 10 is cylindrical.
The tool bit 20 is integrally formed at one end of the tool holder 10 along the axis 11, and has a working portion 21 and a connecting portion 22 connecting the working portion 21 and one end of the tool holder 10 and being in a converging shape.
Since the connection between the tool shank 10 and the tool head 20 is known and the operation is the same as the known one, it is not the focus of the present invention, and the detailed structure, assembly and operation of the component (the tool shank 10) will not be described in detail.
The working portion 21 has a first cutting edge 211 and a second cutting edge 212 symmetrical to the first cutting edge 211, the first cutting edge 211 has a first chamfered section 2111 and a first cutting section 2112 connected to one end of the first chamfered section 2111, the second cutting blade 212 has a second chamfer section 2121 and a second cutting section 2122 connected to one end of the second chamfer section 2121, a first flute 23 is formed between the first chamfer section 2111 and the second cutting section 2122, a second chip groove 24 is formed between the second chamfer section 2121 and the first cutting section 2112, the first chip groove 23 and the second chip groove 24 have the same length and width, a first chip groove 25 parallel to the first chip groove 23 and extending toward the tool shank 10 is concavely arranged between the first chip groove 23 and the connecting portion 22, a second chip removal groove 26 parallel to the second chip removal groove 24 and extending towards the tool shank 10 is concavely arranged between the second chip removal groove 24 and the connecting part 22; specifically, the first chamfer section 2111 has a first inclined surface 2113 which is inclined, and a first mounting surface 2114 which is connected to the first inclined surface 2113 and on which the first cutting section 2112 is mounted, the second chamfer section 2121 has a second inclined surface 2123 which is inclined, and a second mounting surface 2124 which is connected to the second inclined surface 2123 and on which the second cutting section 2122 is mounted, and the inclination angles of the first inclined surface 2113 and the second inclined surface 2123 are the same.
Referring to fig. 5, the tool holder 10 is recessed with a positioning ring groove 12 connected to the connecting portion 22, and a clamping tool 30 can be clamped and positioned through the design of the positioning ring groove 12 to provide a positioning auxiliary function during cutting, so as to avoid the problem of vibration or shaking generated during cutting of the straight tool structure, and to improve the machining precision and stability in use.
The above description is the configuration description of each main component of the embodiment of the present invention. The following description is made for the usage and efficacy of the present invention.
Firstly, the cutting chips can be effectively guided to be smoothly discharged, and the effect of smoothly discharging the chips is improved.
Secondly, prevent that the temperature in the cutting process is overheated and reduce life.
Thirdly, the cutting can be avoided from cracking and damaging, and the effect of prolonging the service life is achieved.
Fourthly, good rigidity and combination stability can be kept, fast cutting is achieved, and the efficiency of work is improved.
To sum up, the above embodiments and drawings are only preferred embodiments of the present invention, and the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.
Claims (4)
1. A straight blade structure, comprising:
a handle having an axis; and
the cutter head is integrally formed at one end of the cutter handle along the axis and is provided with a working part and a connecting part which is connected with the working part and the cutter handle and is in a bundling shape;
the tool is characterized in that the working part is provided with a first cutting edge and a second cutting edge which is symmetrical to the first cutting edge, the first cutting edge is provided with a first chamfer section and a first cutting section connected with one end of the first chamfer section, the second cutting edge is provided with a second chamfer section and a second cutting section connected with one end of the second chamfer section, a first chip removal groove which is parallel to the first chip removal groove and extends towards the tool shank is formed between the first chamfer section and the second cutting section, a second chip removal groove which is parallel to the second chip removal groove and extends towards the tool shank is formed between the second chip removal groove and the connecting part.
2. The straight blade construction of claim 1 wherein: the first chamfer section is provided with a first inclined plane which is inclined and a first setting surface which is connected with the first inclined plane and is used for setting the first cutting section, and the second chamfer section is provided with a second inclined plane which is inclined and a second setting surface which is connected with the second inclined plane and is used for setting the second cutting section.
3. The straight blade construction of claim 2 wherein: the first inclined plane and the second inclined plane have the same inclination angle.
4. The straight blade construction of claim 1 wherein: the handle is concavely provided with a positioning ring groove connected with the connecting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921965916.5U CN211708267U (en) | 2019-11-14 | 2019-11-14 | Straight knife structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921965916.5U CN211708267U (en) | 2019-11-14 | 2019-11-14 | Straight knife structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211708267U true CN211708267U (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921965916.5U Active CN211708267U (en) | 2019-11-14 | 2019-11-14 | Straight knife structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211708267U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227838A (en) * | 2022-01-21 | 2022-03-25 | 昆山高伟精密工具有限公司 | Wood milling cutter |
-
2019
- 2019-11-14 CN CN201921965916.5U patent/CN211708267U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227838A (en) * | 2022-01-21 | 2022-03-25 | 昆山高伟精密工具有限公司 | Wood milling cutter |
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