CN111215698B - High-precision reamer capable of bidirectionally adjusting diameter - Google Patents
High-precision reamer capable of bidirectionally adjusting diameter Download PDFInfo
- Publication number
- CN111215698B CN111215698B CN202010191979.0A CN202010191979A CN111215698B CN 111215698 B CN111215698 B CN 111215698B CN 202010191979 A CN202010191979 A CN 202010191979A CN 111215698 B CN111215698 B CN 111215698B
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- Prior art keywords
- reamer
- working part
- adjusting
- thread
- groove
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- 238000005520 cutting process Methods 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims description 9
- GJNGXPDXRVXSEH-UHFFFAOYSA-N 4-chlorobenzonitrile Chemical compound ClC1=CC=C(C#N)C=C1 GJNGXPDXRVXSEH-UHFFFAOYSA-N 0.000 claims description 3
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D77/00—Reaming tools
- B23D77/02—Reamers with inserted cutting edges
- B23D77/04—Reamers with inserted cutting edges with cutting edges adjustable to different diameters along the whole cutting length
- B23D77/044—Reamers with inserted cutting edges with cutting edges adjustable to different diameters along the whole cutting length by means of screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D2277/00—Reaming tools
- B23D2277/08—Adjustment mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The invention discloses a high-precision reamer capable of bidirectionally adjusting the diameter, which comprises a reamer cutter body, wherein the reamer cutter body comprises a cutter handle part used for connecting a main shaft interface part of a machine tool; the working part is used for carrying out ultrahigh-precision reaming on a product to be processed, the tail end of the working part is connected with the cutter handle part, a plurality of cutting edges are uniformly arranged along the circumferential direction of the front end of the working part, and chip removal grooves which are in one-to-one correspondence with the plurality of cutting edges are formed in the front end of the working part; and a thread interlocking adjusting mechanism which can finely adjust the diameter size of the reamer by utilizing the lever principle is arranged at any cutting edge at the front end of the working part. The diameter size of the reamer can be finely adjusted through the thread interlocking adjusting mechanism, so that the diameter size of the reamer can be enlarged, the diameter size of the reamer can be adjusted to be smaller, the adjusting precision is 0.001mm, errors of the reamer in the manufacturing process and installation errors of a machine tool spindle are made up, and ultra-high precision reaming processing is realized.
Description
Technical Field
The invention relates to the technical field of cutter manufacturing for machining precision mechanical parts, in particular to a high-precision reamer capable of bidirectionally adjusting diameters.
Background
A reamer is a rotary tool having one or more cutter teeth for removing a thin layer of metal from the surface of a machined hole, and a rotary finishing tool having a straight or helical edge for reaming or repairing the hole. The reamer is usually connected with a BT cutter handle, an HSK cutter handle and the like, and the cutter handle is used for connecting with a main shaft interface part of a machine tool.
In the prior art, the diameter size of the reamer used for reaming is mostly finished by adopting a sizing cutter or adopting a foreign imported one-way adjusting structure, but due to the errors of the reamer in the manufacturing process and the errors of a machine tool spindle during installation, the combination of the two errors can bring larger errors to the processing of the reamer, the reamer adopting the structure has strong locality, is not easy to manufacture, has high manufacturing cost, and brings larger inconvenience to the high-precision processing work of the reamer. The imported unidirectional adjusting structure is short in service life, inaccurate in adjusting precision and easy to cause size change.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides the high-precision reamer which has reasonable design and simple structure, can finely adjust the diameter size of the reamer through a thread interlocking adjusting mechanism, can be enlarged and reduced, has the adjustment precision of 0.001mm, compensates the error of the reamer in the manufacturing process and the installation error of a machine tool spindle, and can bidirectionally adjust the diameter during ultrahigh-precision reaming processing.
In order to solve the technical problems, the invention is realized by adopting the following technical scheme:
The utility model provides a high accuracy reamer that can two-way regulation diameter, includes reamer cutter body, reamer cutter body includes
A tool shank part for connecting with the interface part of the main shaft of the machine tool;
The working part is used for carrying out ultrahigh-precision reaming on a product to be processed, the tail end of the working part is connected with the cutter handle part, a plurality of cutting edges are uniformly arranged along the circumferential direction of the front end of the working part, and chip removal grooves which are in one-to-one correspondence with the plurality of cutting edges are formed in the front end of the working part;
The device is characterized in that a thread interlocking adjusting mechanism which can finely adjust the diameter size of the reamer by utilizing a lever principle is arranged at any cutting edge at the front end of the working part;
The thread interlocking adjusting mechanism comprises
The yielding groove is used for yielding the diameter size of the fine-tuning reamer, is formed at the front end of the working part and is parallel to the axis of the working part, and the groove surface of the yielding groove is perpendicular to the side surface of the corresponding cutting edge;
An adjusting groove with an L-shaped cross section, wherein the adjusting groove is arranged on the outer peripheral surface of the working part and is close to the front end, and a supporting part is arranged on the working part and between the adjusting groove and the abdicating groove;
The thread adjusting sleeve is arranged in a thread adjusting hole formed in the front end of the working part, and the thread adjusting hole is located on one side of the adjusting groove, is distributed along the radial direction of the working part and penetrates through the center line of the adjusting groove;
The thread adjusting piece is matched with the internal thread of the thread adjusting sleeve and used for finely adjusting the diameter size of the reamer by utilizing the lever principle, the thread adjusting piece is arranged in a thread locking hole which is formed at the front end of the working part and corresponds to the thread adjusting hole, the thread locking hole is formed in the other side of the adjusting groove and is distributed along the radial direction of the working part, and the center line of the thread locking hole coincides with the center line of the thread adjusting hole.
In a preferred embodiment of the present invention, a cooling channel penetrating the reamer body is formed at the center of the reamer body along the axial direction of the reamer body, and a cooling branch channel communicating with the cooling channel is formed at the front end of the working part and at the position of the cutting edge.
In a preferred embodiment of the invention, the cutting edge is made of PCD, PCBN, cemented carbide or ceramic material.
Compared with the prior art, the invention has the advantages that the screw thread interlocking adjusting mechanism which can finely adjust the diameter size of the reamer by utilizing the lever principle is arranged at any cutting edge at the front end of the working part, the diameter size of the reamer can be finely adjusted through the screw thread interlocking adjusting mechanism, the diameter size of the reamer can be enlarged and also can be adjusted to be smaller, the adjusting precision is 0.001mm, the errors of the reamer in the manufacturing process and the installation errors of the machine tool spindle are compensated, the ultra-high precision reaming processing is realized, and the high precision processing of the reamer is greatly facilitated.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a schematic structural view of the screw adjusting sleeve of the present invention.
Fig. 4 is a right side view of fig. 3.
Fig. 5 is a schematic structural view of the screw adjusting member of the present invention.
Fig. 6 is a right side view of fig. 5.
Detailed Description
The invention is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the invention easy to understand.
Referring to fig. 1-6, there is shown a high-precision reamer capable of bi-directionally adjusting a diameter, comprising a reamer body comprising a shank 100, a working portion 200 and a screw interlock adjustment mechanism 300.
The tool shank 100 is used for connecting a spindle interface part of a machine tool, the working part is used for carrying out ultra-high precision reaming on a product to be processed, the tail end of the working part 200 is connected with the tool shank 100, a plurality of cutting edges 210 are uniformly arranged along the circumferential direction of the front end of the working part 200, and chip grooves 220 which are in one-to-one correspondence with the plurality of cutting edges 210 are formed in the front end of the working part 200.
At any one of the cutting edges 210 of the front end of the working part 200, there is provided a screw interlock adjusting mechanism 300 capable of fine-adjusting the diameter size of the reamer using the principle of leverage, and the screw interlock adjusting mechanism 300 includes a relief groove 310, an adjusting groove 320, a screw adjusting sleeve 340 and a screw adjusting member 350.
The relief groove 310 is configured to relief the diameter of the micro-adjustment reamer, the relief groove 310 is formed at the front end of the working portion 200 and parallel to the axis of the working portion 200, and the groove surface of the relief groove 310 is perpendicular to the side surface of the corresponding cutting edge 210.
The cross section of the adjusting groove 320 is L-shaped, the adjusting groove 320 is arranged on the outer circumferential surface of the working part 200 and is close to the front end, and a supporting part 330 is arranged on the working part 200 and is positioned between the adjusting groove 320 and the abdicating groove 310.
The thread adjusting sleeve 340 is used for fine adjustment of the diameter size of the reamer, the thread adjusting sleeve 340 is disposed in the thread adjusting hole 240 formed at the front end of the working portion 200, and the thread adjusting hole 240 is located on one side of the adjusting groove 320 and is distributed along the radial direction of the working portion 200 and passes through the center thereof.
The screw adjusting member 350 is matched with the internal screw of the screw adjusting sleeve 340 and fine-adjusts the diameter size of the reamer by using the lever principle, the screw adjusting member 350 is arranged in a screw locking hole 360 formed at the front end of the working part 200 corresponding to the screw adjusting hole 240, the screw locking hole 360 is located on the other side of the adjusting groove 320 along the radial direction of the working part 200, and the center line coincides with the center line of the screw adjusting hole 240.
When the diameter of the reamer is adjusted, only the screw adjusting member 350 arranged in the screw locking hole 360 is required to be screwed slightly, the width of the adjusting groove 320 is enlarged or reduced under the effective action of the screw adjusting member 350 and the screw adjusting sleeve 340, and the width of the relief groove 310 is reduced or enlarged by utilizing the lever principle, that is to say, when the width of the adjusting groove 320 is reduced, the width of the relief groove 310 is enlarged, so that the diameter of the reamer is enlarged, and conversely, the diameter of the reamer is reduced.
The center of the reamer body is provided with a cooling channel 230 penetrating the reamer body along the axial direction, the front end of the working part 200 and the position of the cutting edge are provided with cooling branches communicated with the cooling channel 230, and the reamer can be sufficiently cooled in the working process by adopting the structure, so that the service life of the reamer is effectively prolonged.
The cutting edge 210 is made of PCD, PCBN, hard alloy or ceramic materials, and by adopting the mechanism, the cutting hardness of the cutting edge is effectively improved, and the practicability of the reamer is further improved.
In summary, the screw thread interlocking adjusting mechanism which can finely adjust the diameter size of the reamer by utilizing the lever principle is arranged at any cutting edge at the front end of the working part, and the diameter size of the reamer can be finely adjusted through the screw thread interlocking adjusting mechanism, so that the diameter size of the reamer can be enlarged or reduced, the adjusting precision is 0.001mm, the errors of the reamer in the manufacturing process and the installation error of a machine tool spindle are compensated, the ultra-high precision reaming process is realized, and the high precision processing of the reamer is more convenient.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a high accuracy reamer that can two-way regulation diameter, includes reamer cutter body, reamer cutter body includes
A tool shank part for connecting with the interface part of the main shaft of the machine tool;
The working part is used for carrying out ultrahigh-precision reaming on a product to be processed, the tail end of the working part is connected with the cutter handle part, a plurality of cutting edges are uniformly arranged along the circumferential direction of the front end of the working part, and chip removal grooves which are in one-to-one correspondence with the plurality of cutting edges are formed in the front end of the working part;
The device is characterized in that a thread interlocking adjusting mechanism which can finely adjust the diameter size of the reamer by utilizing a lever principle is arranged at any cutting edge at the front end of the working part;
The thread interlocking adjusting mechanism comprises
The yielding groove is used for yielding the diameter size of the fine-tuning reamer, is formed at the front end of the working part and is parallel to the axis of the working part, and the groove surface of the yielding groove is perpendicular to the side surface of the corresponding cutting edge;
An adjusting groove with an L-shaped cross section, wherein the adjusting groove is arranged on the outer peripheral surface of the working part and is close to the front end, and a supporting part is arranged on the working part and between the adjusting groove and the abdicating groove;
The thread adjusting sleeve is arranged in a thread adjusting hole formed in the front end of the working part, and the thread adjusting hole is located on one side of the adjusting groove, is distributed along the radial direction of the working part and penetrates through the center line of the adjusting groove;
The thread adjusting piece is matched with the internal thread of the thread adjusting sleeve and used for finely adjusting the diameter size of the reamer by utilizing the lever principle, the thread adjusting piece is arranged in a thread locking hole which is formed at the front end of the working part and corresponds to the thread adjusting hole, the thread locking hole is formed in the other side of the adjusting groove and is distributed along the radial direction of the working part, and the center line of the thread locking hole coincides with the center line of the thread adjusting hole.
2. The bi-directionally adjustable diameter high precision reamer of claim 1, wherein: the reamer body is characterized in that a cooling channel penetrating through the reamer body is formed in the center of the reamer body along the axis direction of the reamer body, and a cooling branch channel communicated with the cooling channel is formed in the front end of the working part and located at the cutting edge.
3. The bi-directionally adjustable diameter high precision reamer of claim 1, wherein: the cutting edge is made of PCD, PCBN, hard alloy or ceramic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010191979.0A CN111215698B (en) | 2020-03-18 | 2020-03-18 | High-precision reamer capable of bidirectionally adjusting diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010191979.0A CN111215698B (en) | 2020-03-18 | 2020-03-18 | High-precision reamer capable of bidirectionally adjusting diameter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111215698A CN111215698A (en) | 2020-06-02 |
| CN111215698B true CN111215698B (en) | 2024-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010191979.0A Active CN111215698B (en) | 2020-03-18 | 2020-03-18 | High-precision reamer capable of bidirectionally adjusting diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111215698B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111922433B (en) * | 2020-08-20 | 2023-01-10 | 宁波旺得夫数控科技有限公司 | Adjustable reamer |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212371323U (en) * | 2020-03-18 | 2021-01-19 | 上海新山田精密刀具有限公司 | High-precision reamer capable of bidirectionally adjusting diameter |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1605004A (en) * | 1966-07-02 | 1972-08-28 | ||
| KR100953059B1 (en) * | 2003-09-09 | 2010-04-13 | 두산인프라코어 주식회사 | Minuteness high and low adjustable tool post |
| JP4816496B2 (en) * | 2006-06-05 | 2011-11-16 | 三菱マテリアル株式会社 | Drilling tool |
| CN202411558U (en) * | 2011-11-25 | 2012-09-05 | 郑州市钻石精密制造有限公司 | Rough and finish integral machining diamond reamer |
| CN203778835U (en) * | 2014-01-23 | 2014-08-20 | 上海新山田精密刀具有限公司 | Cutting tool capable of finely adjusting cutting diameter |
| CN205218237U (en) * | 2015-12-21 | 2016-05-11 | 重庆戴贝尔钻石工具有限公司 | Composite forming reamer and thread fraise's PCD cutter |
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2020
- 2020-03-18 CN CN202010191979.0A patent/CN111215698B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212371323U (en) * | 2020-03-18 | 2021-01-19 | 上海新山田精密刀具有限公司 | High-precision reamer capable of bidirectionally adjusting diameter |
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| CN111215698A (en) | 2020-06-02 |
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