CN215034141U

CN215034141U - Reamer with different grooves

Info

Publication number: CN215034141U
Application number: CN202120976090.3U
Authority: CN
Inventors: 孙小明
Original assignee: Beijing Wisdom Machinery Science & Technology Co ltd
Current assignee: Beijing Jinwanzhong Machinery Technology Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-12-07
Anticipated expiration: 2031-05-08

Abstract

The utility model belongs to the technical field of the cutter, concretely relates to heterotroove reamer. The utility model discloses a heterotroove reamer includes: a cutter head; the cutter head comprises a core part and at least two groups of cutter tooth groups which are uniformly distributed on the periphery of the core part in the circumferential direction; a first chip pocket is formed between two adjacent cutter tooth groups; each group of cutter teeth comprises at least two cutter teeth; a second chip groove is formed between adjacent cutter teeth in each cutter tooth group; the chip capacity of the first chip groove is larger than that of the second chip groove. The utility model discloses a heterotroove reamer, which is characterized in that a cutter tooth group is arranged on the periphery of a core part, so that a first chip groove and a second chip groove with different chip containing amounts are formed between the cutter teeth and the core part; this abnormal groove reamer is the design of abnormal groove to make the abnormal groove reamer increase the appearance bits volume when not increasing core diameter size, the abnormal groove reamer chip removal of being convenient for effectively avoids the sword tooth to collapse the sword, is suitable for ream deep hole or blind hole.

Description

Reamer with different grooves

Technical Field

The utility model belongs to the technical field of the cutter, concretely relates to heterotroove reamer.

Background

Reamers are tools used to machine the inner wall of a hole that has been drilled in a workpiece to make the inner wall of the hole smoother. The existing reamer is simple in design and generally comprises a reamer handle and a reamer head, a plurality of cutter teeth are arranged on the reamer head in the circumferential direction, chip grooves are formed between two adjacent cutter teeth, and chips are removed through the chip grooves during drilling. When a reamer with a common design is used for reaming deep holes or blind holes, the cutting amount is large, the chip grooves are not cleared in time, and cutter teeth are easy to tip.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a heterotroove reamer, the technical problem that the sweeps in the chip pocket can not in time clear away and lead to the sword tooth to collapse the sword easily when solving the reamer of ordinary design in the past and reaming deep hole or blind hole.

In order to solve the technical problem, the utility model provides an abnormal groove reamer, include:

a cutter head;

the cutter head comprises a core part and at least two groups of cutter tooth groups which are uniformly distributed on the periphery of the core part in the circumferential direction;

a first chip pocket is formed between two adjacent cutter tooth groups;

each group of cutter teeth comprises at least two cutter teeth;

a second chip groove is formed between adjacent cutter teeth in each cutter tooth group;

the chip capacity of the first chip groove is larger than that of the second chip groove.

Further, each group of cutter teeth comprises four cutter teeth.

Further, the cutter teeth are spiral guide teeth.

Further, the core is hollow to form a suction hole.

Further, the front part of the first cutter tooth of each cutter tooth group is provided with a hard blade, and the hard blade is positioned in the first chip groove.

Further, the core is provided with a liquid through hole, and the liquid outlet end of the liquid through hole is positioned in the first chip groove so as to spray cooling liquid to cool the hard blade.

Further, the rear end of the tool bit is provided with a deformable adjusting tool shank, so that the tool bit is suitable for a machine tool or manual use.

Further, the cutter teeth are finishing cutting teeth.

The beneficial effects of the utility model are that, the utility model discloses a reamer with different grooves, through setting the knife tooth group at the periphery of the core part, so as to form a first chip groove and a second chip groove with different chip capacities between the knife tooth and the core part; this abnormal groove reamer is the design of abnormal groove to make the abnormal groove reamer increase the appearance bits volume when not increasing core diameter size, the abnormal groove reamer chip removal of being convenient for effectively avoids the sword tooth to collapse the sword, is suitable for ream deep hole or blind hole.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a preferred embodiment of the present invention.

In the figure:

the cutter comprises a cutter head 1, a core part 11, a cutter tooth group 12 and cutter teeth 121;

the cutter comprises a suction hole 2, a hard blade 3, a liquid through hole 4 and an adjusting cutter handle 5;

a first chip flute M and a second chip flute N.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in fig. 1, the present embodiment of an iso-flute reamer includes: a tool bit 1; the cutter head 1 comprises a core part 11 and at least two cutter tooth groups 12; the cutter tooth groups 12 are uniformly distributed on the periphery of the core part 11 in the circumferential direction; a first chip pocket M is formed between two adjacent cutter tooth groups 12; each group of cutter teeth 12 comprises at least two cutter teeth 121; a second chip pocket N is formed between adjacent cutter teeth 121 in each cutter tooth group 12; the chip capacity of the first chip pocket M is greater than that of the second chip pocket N. By providing the cutter tooth group 12 on the outer periphery of the core 11, a first chip flute M and a second chip flute N with different chip capacities are formed between the cutter tooth 121 and the core 11; this abnormal groove reamer is the design of abnormal groove to make the abnormal groove reamer increase the appearance bits volume when not increasing 11 diameter sizes in core, the abnormal groove reamer chip removal of being convenient for effectively avoids sword tooth 121 to collapse the sword, is suitable for ream deep hole or blind hole.

In the present embodiment, as shown in fig. 1, each set of cutter teeth 12 preferably includes four cutter teeth 121. The number of the cutter teeth 121 is determined according to the material of the material to be processed, for example, when the material to be processed is aluminum, the cutter tooth group 12 includes four cutter teeth 121, the cutting speed is n 4200rev/min, and the feed Fn is 0.8 mm/rev; the processing effect of this reamer does: the roundness of the reaming hole is within 0.003um, and the surface roughness reaches Ra0.14. Through the design, the abnormal groove reamer can be used for processing a high-quality reaming hole on a workpiece.

As shown in fig. 1, in the present embodiment, the cutter teeth 121 are preferably spiral guide teeth, so that the cutter teeth can perform functions of smoothing and deburring on the premise of ensuring the guide, thereby improving the reaming effect.

In the present embodiment, as shown in fig. 1, preferably, the core 11 is hollow to form the suction hole 2, so as to facilitate the external connection of a suction device, so as to be suitable for sucking out the waste chips in the hole when a deep hole or a blind hole is drilled, so as to reduce the waste chips retained in the chip pocket and effectively avoid the tipping of the cutter teeth 121.

As shown in fig. 1, in the present embodiment, it is preferable that a hard insert 3 is provided in front of the first tooth 121 of each set of teeth 12, and the hard insert 3 is located in the first chip pocket M. The hard blade 3 is made of PCD spiral diamond. The hard blade 3 can be installed by adopting a welding mode, but not limited to, and the hard blade 3 adopting the connection mode is welded firmly without defects of cold joint, cracks, gaps and the like. Through set up stereoplasm blade 3 on the sword tooth 121 lateral wall that is located first chip pocket M to treating the reaming and processing, improve reaming efficiency, avoid sword tooth 121 tipping.

As shown in fig. 1, in the present embodiment, it is preferable that a liquid through hole 4 is formed in the core 11, and a liquid outlet end of the liquid through hole 4 is located in the first chip pocket M to discharge the cooling liquid to cool the hard insert 3. So as to cool the hard blade 3 and avoid the hard blade 3 from being damaged by overheating in the processing process.

In the present embodiment, as shown in fig. 1, a deformable adjustment shank 5 is preferably provided at the rear end of the tool bit 1 to make the tool bit 1 suitable for machine tools or manual use. The adjusting tool handle 5 is detachably connected with the tool bit 1 so as to replace the tool bit 1. The adjusting tool holder 5 can be deformed, and when the adjusting tool holder 5 is in a normal columnar shape, the different groove reamer is suitable for a machine tool; when the adjusting tool shank 5 is Z-shaped, the heterogous reamer is suitable for manual use.

As shown in fig. 1, in the present embodiment, the cutter teeth 121 are preferably finishing cutting teeth to facilitate reaming and improve machining effect.

In summary, the first chip groove and the second chip groove with different chip capacities are formed between the cutter teeth and the core part by arranging the cutter teeth group on the periphery of the core part; this abnormal groove reamer is the design of abnormal groove to make the abnormal groove reamer increase the appearance bits volume when not increasing core diameter size, the abnormal groove reamer chip removal of being convenient for effectively avoids the sword tooth to collapse the sword, is suitable for ream deep hole or blind hole. The cutter teeth are spiral guide teeth, so that the cutter teeth have the functions of polishing and deburring on the premise of ensuring the guide, and the reaming effect is improved. The core part is hollow to form a suction hole, so that the suction hole is connected with suction equipment externally, the suction equipment is suitable for sucking waste chips in the hole when a deep hole or a blind hole is reamed, the waste chips are reduced to be retained in a chip groove, and the cutter teeth are effectively prevented from tipping. Through set up stereoplasm blade on the sword tooth lateral wall that is located first chip pocket to treating the reaming and processing, improve reaming efficiency, avoid the sword tooth tipping.

The components selected for use in the present application (components not illustrated for specific structures) are all common standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.

In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or component to which the reference is made must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. An isoflute reamer, comprising:

a cutter head;

a first chip pocket is formed between two adjacent cutter tooth groups;

each group of cutter teeth comprises at least two cutter teeth;

2. The isoflute reamer of claim 1 wherein,

each group of the cutter teeth comprises four cutter teeth.

3. The isoflute reamer of claim 1 wherein,

the cutter teeth are spiral guide teeth.

4. The isoflute reamer of claim 1 wherein,

the core is hollow to form a suction hole.

5. The isoflute reamer of claim 1 wherein,

the front part of the first cutter tooth of each cutter tooth group is provided with a hard blade, and the hard blade is positioned in the first chip groove.

6. The isoflute reamer of claim 5 wherein,

the core is provided with a liquid through hole, and the liquid outlet end of the liquid through hole is positioned in the first chip groove so as to spray cooling liquid to cool the hard blade.

7. The isoflute reamer of claim 1 wherein,

the rear end of the tool bit is provided with a deformable adjusting tool shank, so that the tool bit is suitable for a machine tool or manual use.

8. The isoflute reamer of claim 1 wherein,

the cutter teeth are finishing cutting teeth.