CN212526328U - Reamer bit - Google Patents
Reamer bit Download PDFInfo
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- CN212526328U CN212526328U CN202021360199.6U CN202021360199U CN212526328U CN 212526328 U CN212526328 U CN 212526328U CN 202021360199 U CN202021360199 U CN 202021360199U CN 212526328 U CN212526328 U CN 212526328U
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Abstract
The utility model relates to a reamer, including cutting edge section, avoidance of space section and centre gripping handle section, cutting edge section divide into first cutting edge section and second cutting edge section, and the diameter of first cutting edge section is less than the diameter of second cutting edge section, has seted up two at least straight flutes on the first cutting edge section, is provided with first cutting edge between the adjacent straight flute on the first cutting edge section, and the diameter that the core of first cutting edge section is thick is 0.6 ~ 0.8 times of first cutting edge diameter, and the width of straight flute is 1.2 ~ 1.5 times of first cutting edge width; at least two spiral grooves are formed in the second cutting edge section, a second cutting edge is arranged between every two adjacent spiral grooves in the second cutting edge section, the diameter of the core thickness of the second cutting edge section is 0.5-0.7 times of the diameter of the first cutting edge, and the width of each spiral groove is 1.1-1.3 times of the width of the second cutting edge. The utility model discloses a structure setting that the cutting edge section was divided can effectively improve screw machining precision and quality, improves screw machining efficiency, reduction in production cost.
Description
Technical Field
The utility model relates to a reamer.
Background
The heat-resistant alloy steel material has the characteristics of high humidity resistance and strong heat intersection resistance, and is widely applied to the manufacture of products such as turbocharger housings, gas turbine parts and the like. The heat-resistant alloy steel material has the difficult-to-cut characteristics of high hardness, strong toughness and good red hardness, most of the conventional reamers made of high-speed steel are used for screw hole cutting processing of the material at present, the reamers are easy to twist off when in use, the processed screw holes are coarse in thread, large in burr and fast in reamer abrasion, the screw hole precision is difficult to guarantee, the processing speed is slow, and the production efficiency is low.
In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create a reamer with a new structure, so that the reamer has more industrial utility value.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem, the present invention provides a reamer.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a reamer comprises a cutting edge section, a blank avoiding section and a clamping handle section, wherein the blank avoiding section is arranged at the front end of the clamping handle section, and the cutting edge section is arranged at the front end of the blank avoiding section;
the cutting blade section is divided into a first cutting blade section and a second cutting blade section, wherein the diameter of the first cutting blade section is smaller than that of the second cutting blade section, at least two straight grooves are formed in the first cutting blade section, a first cutting blade is arranged between every two adjacent straight grooves in the first cutting blade section, the diameter of the core thickness of the first cutting blade section is 0.6-0.8 times of the diameter of the first cutting blade, and the width of each straight groove is 1.2-1.5 times of the width of the first cutting blade;
the second cutting edge section is provided with at least two spiral grooves, a second cutting edge is arranged between every two adjacent spiral grooves on the second cutting edge section, the diameter of the core thickness of the second cutting edge section is 0.5-0.7 times of the diameter of the first cutting edge, and the width of each spiral groove is 1.1-1.3 times of the width of the second cutting edge.
Preferably, the reamer is provided with a guide cutting edge at the front end of the first cutting edge section.
Preferably, the guiding cutting edge angle of the guiding cutting edge is 15-20 degrees.
Preferably, in the reamer, the number of the straight grooves is 4, and the number of the spiral grooves is 4.
Preferably, in the reamer, the cutting edge section and the clearance section are both in a hard alloy structure, and the outer surface of the cutting edge section is coated with an AlTiN coating.
Preferably, the reamer is characterized in that the cutting edge section, the clearance section and the clamping handle section are integrally formed.
Preferably, the diameter of the second cutting edge section is 1.5 times the diameter of the first cutting edge section.
Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:
the utility model discloses reamer is used in heat-resisting alloy steel processing through the structure setting of cutting edge part, can effectively improve screw machining precision and quality, improves screw machining efficiency, reduction in production cost. Simultaneously the utility model discloses can also realize punching to different apertures, improve screw machining efficiency.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Examples
As shown in fig. 1, the reamer comprises a cutting edge section 1, a clearance section 2 and a clamping handle section 3, wherein the clearance section 2 is arranged at the front end of the clamping handle section 3, and the cutting edge section 1 is arranged at the front end of the clearance section 2;
the cutting edge segment 1 is divided into a first cutting edge segment 11 and a second cutting edge segment 12, wherein the diameter of the first cutting edge segment 11 is smaller than that of the second cutting edge segment 12, at least two straight grooves 4 are formed in the first cutting edge segment 11, a first cutting edge 6 is arranged between every two adjacent straight grooves in the first cutting edge segment 11, the diameter of the core thickness of the first cutting edge segment 11 is 0.6-0.8 times of the diameter of the first cutting edge, and the width of each straight groove 4 is 1.2-1.5 times of the width of the first cutting edge 6;
the second cutting edge section 12 is provided with at least two spiral grooves 5, a second cutting edge 7 is arranged between the adjacent spiral grooves 5 on the second cutting edge section 12, the diameter of the core thickness of the second cutting edge section 12 is 0.5-0.7 times of the diameter of the first cutting edge, and the width of each spiral groove 5 is 1.1-1.3 times of the width of the second cutting edge 7.
The utility model discloses in the front end of first cutting edge section 11 is provided with direction cutting edge 8, wherein, direction cutting edge 8's direction cutting edge angle is 15 ~ 20 degrees, and direction cutting edge 8's direction cutting edge angle adopts less angle setting, sets for 15 ~ 20 degrees, can increase the length of direction cutting edge 8, makes the reamer cut into can slowly progressively pass through to the biggest cutting diameter of reamer, and the messenger cuts the process steadily and can improve the thread machining precision. And the cutting resistance can be reduced, so that the cutting is light, fast and stable, and the surface quality and the processing quality of the thread can be improved.
The utility model discloses in straight flute 4 be equipped with 4, helicla flute 5 also is equipped with 4 simultaneously, adopts the same number, satisfies the requirement to the precision of punching.
The utility model discloses in cutting edge section 1 is the carbide structure setting with keeping away empty section 2, the surface coating of cutting edge section 1 has the AlTiN coating, and the reamer body adopts the carbide structure setting to the surface coating at cutting edge part 1 has the AlTiN coating. Can effectively increase reamer wear resistance and life, coefficient of friction when reducing the cutting when improving screw surface quality, can also use higher cutting speed to process, further improve production efficiency.
The utility model discloses in cutting edge section 1, keep away empty section 2 and 3 integrated into one piece of centre gripping handle section.
In the present invention, the diameter of the second cutting edge section 12 is 1.5 times the diameter of the first cutting edge section 11.
The utility model discloses a structure setting that big core is thick has added holistic rigidity and intensity of reamer, can effectively prevent because of the thick less of reamer core, and the rigidity is not enough to lead to the reamer twist-off scheduling problem.
The utility model discloses an increase the width of straight flute and helicla flute to increase and hold bits and chip removal space, because the toughness of heat-resisting alloy steel material is strong, the smear metal is rectangular form, increases and holds bits and chip removal space, can effectually prevent because the chip removal is smooth and the reamer twist-off that the stifled bits caused.
The utility model discloses a screw is processed to the material to the lathe, does not do any repeated description on this side, for the known skilled worker's technique of technical staff in this field, adopts machine tool machining simultaneously, and the screw in processing different apertures also can be realized by technical staff in this field through the lathe, the problem of precision can not appear.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A reamer, characterized in that: the clamping device comprises a cutting edge section (1), an avoidance section (2) and a clamping handle section (3), wherein the avoidance section (2) is arranged at the front end of the clamping handle section (3), and the cutting edge section (1) is arranged at the front end of the avoidance section (2);
the cutting edge section (1) is divided into a first cutting edge section (11) and a second cutting edge section (12), wherein the diameter of the first cutting edge section (11) is smaller than that of the second cutting edge section (12), at least two straight grooves (4) are formed in the first cutting edge section (11), a first cutting edge (6) is arranged between every two adjacent straight grooves in the first cutting edge section (11), the diameter of the core thickness of the first cutting edge section (11) is 0.6-0.8 times of the diameter of the first cutting edge, and the width of each straight groove (4) is 1.2-1.5 times of the width of the first cutting edge (6);
the second cutting edge section (12) is provided with at least two spiral grooves (5), a second cutting edge (7) is arranged between every two adjacent spiral grooves (5) on the second cutting edge section (12), the diameter of the core thickness of the second cutting edge section (12) is 0.5-0.7 times of the diameter of the first cutting edge, and the width of each spiral groove (5) is 1.1-1.3 times of the width of the second cutting edge (7).
2. The reamer of claim 1 wherein: the front end of the first cutting edge section (11) is provided with a guide cutting edge (8).
3. The reamer of claim 2 wherein: the guide cutting edge angle of the guide cutting edge (8) is 15-20 degrees.
4. The reamer of claim 1 wherein: the number of the straight grooves (4) is 4, and the number of the spiral grooves (5) is 4.
5. The reamer of claim 1 wherein: the cutting edge section (1) and the clearance section (2) are both arranged in a hard alloy structure, and the outer surface of the cutting edge section (1) is coated with an AlTiN coating.
6. The reamer of claim 1 wherein: the cutting edge section (1), the clearance section (2) and the clamping handle section (3) are integrally formed.
7. A reamer according to claim 3 wherein: the diameter of the second cutting edge section (12) is 1.5 times of the diameter of the first cutting edge section (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021360199.6U CN212526328U (en) | 2020-07-13 | 2020-07-13 | Reamer bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021360199.6U CN212526328U (en) | 2020-07-13 | 2020-07-13 | Reamer bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212526328U true CN212526328U (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021360199.6U Active CN212526328U (en) | 2020-07-13 | 2020-07-13 | Reamer bit |
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| CN (1) | CN212526328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114309730A (en) * | 2022-01-06 | 2022-04-12 | 爱三(佛山)汽车部件有限公司 | Improved cutter and improvement method thereof |
-
2020
- 2020-07-13 CN CN202021360199.6U patent/CN212526328U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114309730A (en) * | 2022-01-06 | 2022-04-12 | 爱三(佛山)汽车部件有限公司 | Improved cutter and improvement method thereof |
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