CN217727373U

CN217727373U - Diamond reamer

Info

Publication number: CN217727373U
Application number: CN202220849069.1U
Authority: CN
Inventors: 王帆; 李晓东; 王斌
Original assignee: CHONGQING YUNHAI MACHINERY MANUFACTURING CO LTD
Current assignee: CHONGQING YUNHAI MACHINERY MANUFACTURING CO LTD
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-11-04
Anticipated expiration: 2032-04-07

Abstract

The utility model provides a diamond reamer, which belongs to the technical field of processing tools and aims to solve the problem that the processing cost is higher due to the fact that the single-size diamond reamer in the prior art can only process a single size and needs more tools, tool positions and processing working hours, and comprises a reamer handle and a cutting edge connected with the reamer handle, wherein the cutting edge comprises a first reamer head integrated with the reamer handle and a second reamer head integrated with the end part of the first reamer head; two row cutting grooves are arranged in the direction from the cutting edge to the reamer handle, and the two row cutting grooves are rotationally symmetrical along the axis of the reamer handle.

Description

Diamond reamer

Technical Field

The utility model belongs to the technical field of the processing cutter, more specifically says, in particular to diamond reamer.

Background

The diamond reamer is one of important cutters in the machining process, can efficiently ensure the machining precision so as to meet the operation requirement of precision parts, and plays an indispensable role in the fields of automobiles, engineering machinery and agricultural machinery.

The single diamond reamer can meet the size precision of a machining process, when multiple sizes are required on the same operation step, multiple diamond reamers are required to be machined, on one hand, more cutters are required to meet the multiple size requirements, the cutter position demand of a machining center is increased, and therefore a larger machining center is required to meet the multiple cutter position requirements; on the other hand, more processing time is needed, and more working hours meet the processing requirements.

As in application No.: cn201210566263.X.

Based on the search of above-mentioned patent to and combine the equipment discovery among the prior art, single size diamond reamer can only process single size among the prior art, and the more cutter of demand, tool setting and man-hour of processing cause the processing cost higher.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a diamond reamer is provided to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a diamond reamer to solve among the prior art single size diamond reamer can only process single size, and cutter, sword position and the man-hour that the demand is more cause the higher problem of processing cost.

The utility model relates to a purpose and efficiency of diamond reamer are reached by following concrete technical means:

a diamond reamer comprising:

the reamer comprises a reamer handle and a cutting edge connected with the reamer handle, wherein the cutting edge comprises a first reamer head integrated with the reamer handle and a second reamer head integrally formed with the end part of the first reamer head, and the outer diameter of the second reamer head is smaller than that of the first reamer head;

two rows of cutting grooves are arranged in the direction from the cutting edge to the reamer handle, and the two rows of cutting grooves are rotationally symmetrical along the axis of the reamer handle.

Furthermore, the row of cutting grooves are arranged in parallel with the axis of the reamer handle, and the row of cutting grooves are provided with cutting surfaces parallel with the axis of the reamer handle.

Further, a first radial cutting edge is arranged at the contact part of the cutting surface and the first reamer head.

Furthermore, a radial second cutting edge is arranged at the contact part of the cutting surface and the second reamer head.

Furthermore, the row of cutting grooves are also provided with side planes which form an included angle with the cutting surfaces, the side planes are parallel to the axis of the reamer handle, and the included angle is alpha which is larger than or equal to 100 degrees and smaller than or equal to 120 degrees.

Further, α =110 °.

Further, the diameter of the reamer handle is M, the maximum outer diameter of the first reamer head is N, and N is larger than M.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a can realize two high accuracy sizes of one-knife shaping, reach the purpose of the high efficiency machining production of cutter, practice thrift machining's cutter quantity, save machining center cutter position, practice thrift the demand in machining man-hour.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the front view structure of the present invention.

Fig. 3 is a schematic side view of the present invention.

Fig. 4 is a schematic top view of the present invention.

Fig. 5 isbase:Sub>A schematic sectional structure view ofbase:Sub>A-base:Sub>A in fig. 3.

Fig. 6 is a schematic view of a part machined with the reamer.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

reamer shank 1, first reamer head 2, first cutting edge 21, second reamer head 3, second cutting edge 31, row of cutting flutes 4, cutting face 41, side flats 42.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are provided to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, rather than to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The embodiment is as follows:

as shown in figures 1 to 4:

the utility model provides a diamond reamer, include:

the knife comprises a reamer handle 1 and a knife edge connected with the reamer handle 1, wherein the knife edge comprises a first reamer head 2 integrated with the reamer handle 1 and a second reamer head 3 integrally formed with the end part of the first reamer head 2, and the outer diameter of the second reamer head 3 is smaller than that of the first reamer head 2;

two row cutting grooves 4 are formed in the direction from the cutting edge to the reamer handle 1, and the two row cutting grooves 4 are rotationally symmetrical along the axis of the reamer handle 1.

In this embodiment, when the cylindrical counter bore is machined, the first reamer head 2 and the second reamer head 3 respectively complete machining of the large-diameter hole and the small-diameter hole of the cylindrical counter bore, and the two holes are simultaneously machined, so that the time for machining the cylindrical counter bore is shortened, and the tool changing times during machining are reduced. When drilling is performed, the two chip discharge grooves 4 discharge machined metal chips that have been cut.

Simultaneously the external diameter of second reamer head 3 is less than the external diameter of first reamer head 2, reaches fine cutting effect, and when drilling, second reamer head 3 bores a relatively less hole earlier, and the reaming is carried out to rethread first reamer head 2, has increased drilling efficiency.

The diamond reamer is mainly used for processing aluminum alloy materials.

The row cutting grooves 4 are arranged in parallel with the axis of the reamer handle 1, and the row cutting grooves 4 are provided with cutting surfaces 41 in parallel with the axis of the reamer handle 1.

The chip discharge groove 4 plays a role of chip discharge.

The cutting face 41 is provided with a radial first cutting edge 21 at the contact with the first reamer head 2.

The first cutting edge 21 is provided to cut a cylindrical surface having a large diameter more efficiently.

Where the cutting face 41 meets the second reamer head 3, a second radial cutting edge 31 is provided.

The second cutting edge 31 is provided to cut a cylindrical surface having a small diameter more efficiently. The whole processing efficiency is improved.

Wherein the first cutting edge 21 and the second cutting edge 31 are welded to the first reamer head 2 and the second reamer head 3, respectively.

The row cutting groove 4 is also provided with a side plane 42 forming an included angle with the cutting surface 41, the side plane 42 is parallel to the axis of the reamer handle 1, and the included angle is alpha which is more than or equal to 100 degrees and less than or equal to 120 degrees.

When α =110 ° is set, the cutting effect is the best.

The diameter of the reamer handle 1 is M, the maximum outer diameter of the first reamer head 2 is N, and N is larger than M.

The diameter M of the reamer shank 1 is greater than the maximum outer diameter N of the first reamer head 2, and when the actual tool is designed, if the base diameter of the reamer shank 1 is D, the maximum limit size M = D +0.031mm, the minimum limit size M = D +0.031mm, the maximum limit size N = D +0.02mm, and the minimum limit size N = D +0.015mm.

Due to the design of the size, the machining precision is increased when the aluminum alloy part is machined. The traditional cutter usually has the problem of small size in the machining process and the problem of the conical surface of the machined surface, and the conventional solution is to increase the diameter of the machining cutter but still cannot solve the problem of the conical surface of the machined surface. By adopting the cutter structure, namely the diameter M of the reamer handle 1 is larger than the maximum outer diameter N of the first reamer head 2, the problem can be solved, the machining precision of the cutter can be improved, and the machined cylindrical hole is ensured to have good coaxiality and roundness requirements. An example of a part machined with the diamond reamer is shown schematically in figure 6, in which is the cylindrical counter-sunk head 6 to be machined.

The utility model discloses a for realize many size processing requirements on the single cutter, wear into two machining sizes on the diamond blade, take the high accuracy size of a knife machine-shaping two differences to reach the purpose of the high efficiency machining production of cutter. The cutter of the technology meets the size requirement of hole breaking machining, and can ensure good coaxiality and roundness requirements, and the technology is unique to the hole breaking machining.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A diamond reamer, its characterized in that: the method comprises the following steps:

the reamer comprises a reamer handle (1) and a cutting edge connected with the reamer handle (1), wherein the cutting edge comprises a first reamer head (2) integrated with the reamer handle (1) and a second reamer head (3) integrally formed with the end part of the first reamer head (2), and the outer diameter of the second reamer head (3) is smaller than that of the first reamer head (2);

two row cutting grooves (4) are formed in the direction from the cutting edge to the reamer handle (1), and the two row cutting grooves (4) are rotationally symmetrical along the axis of the reamer handle (1).

2. The diamond reamer of claim 1, wherein: the row cutting groove (4) is arranged in parallel with the axis of the reamer handle (1), and the row cutting groove (4) is provided with a cutting surface (41) which is parallel with the axis of the reamer handle (1).

3. The diamond reamer of claim 2, wherein: the contact part of the cutting surface (41) and the first reamer head (2) is provided with a first radial cutting edge (21).

4. A diamond reamer according to claim 2 wherein: and a radial second cutting edge (31) is arranged at the contact part of the cutting surface (41) and the second reamer head (3).

5. The diamond reamer of any one of claims 2 to 4, wherein: the row of cutting grooves (4) are also provided with side planes (42) forming an included angle with the cutting surface (41), the side planes (42) are parallel to the axis of the reamer handle (1), and the included angle is alpha which is more than or equal to 100 degrees and less than or equal to 120 degrees.

6. The diamond reamer of claim 5, wherein: α =110 °.

7. The diamond reamer of claim 1, wherein: the diameter of the reamer handle (1) is M, the maximum outer diameter of the first reamer head (2) is N, and N is larger than M.