CN108705110B - Novel fine motion boring cutter structure - Google Patents
Novel fine motion boring cutter structure Download PDFInfo
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- CN108705110B CN108705110B CN201810543352.XA CN201810543352A CN108705110B CN 108705110 B CN108705110 B CN 108705110B CN 201810543352 A CN201810543352 A CN 201810543352A CN 108705110 B CN108705110 B CN 108705110B
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- cutter
- cutter bar
- cutter head
- main body
- bar
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/10—Cutting tools with special provision for cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
- B23B27/1662—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with plate-like cutting inserts clamped against the walls of the recess in the shank by a clamping member acting upon the wall of a hole in the cutting insert
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
- B23B27/1685—Adjustable position of the cutting inserts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The invention provides a novel micro boring cutter structure, which comprises a main body, a sliding device, a micro adjusting device, a cutter bar, a cutter head and a blade, wherein the sliding device is arranged on the main body; the cutter bar and the cutter head are of a split structure; a water outlet which penetrates through the cutter bar up and down is formed in the cutter bar, the upper part of the cutter bar is arranged in the main body and is connected to the sliding device through a locking screw, and a rectangular notch is formed in the bottom of the cutter bar; one side of the rectangular gap is provided with a cutter bar positioning groove, and the other side is provided with a cutter head locking screw hole; the upper part of the cutter head is clamped in the rectangular notch and can be fastened in the rectangular notch through a cutter head locking screw; a cutter head positioning bulge which is just clamped in the cutter bar positioning groove is arranged on the side surface of the upper part of the cutter head; the blade is arranged at the bottom of the cutter head through a compression screw. The boring cutter structure is simpler to manufacture, the cutter bar is divided into two parts, the production cost is effectively reduced, and the cutter head can slide in the rectangular notch along the cutter bar positioning groove, so that the single cutter head can be processed in a wider range, and the cutter setting and the size adjustment are more convenient.
Description
Technical Field
The invention relates to the field of mechanical cutting machining, in particular to a novel micro-motion boring cutter structure mainly used for machining high-precision inner and outer circles.
Background
In mechanical boring, there are many types of boring cutters, but the design is complicated. As shown in fig. 3, the traditional inner and outer boring cutter bars are relatively complex to manufacture and have more processing procedures; and each tool shank can be processed in a small range.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a novel micro-motion boring cutter structure capable of performing both high-precision inner circle machining and high-precision outer circle machining.
A novel micro-motion boring cutter structure comprises a main body, a sliding device arranged on one side of the main body, a micro-motion adjusting device arranged on the other side of the main body, a cutter bar, a cutter head and a blade; the cutter bar and the cutter head are of a split structure; a water outlet penetrating through the cutter bar up and down is formed in the cutter bar, the upper part of the cutter bar is arranged in the main body and is connected to the sliding device through a locking screw, the lower part of the cutter bar is cylindrical, and a rectangular notch is formed in the bottom of the cutter bar; one side of the rectangular notch is provided with a cutter bar positioning groove, and the other side of the rectangular notch is provided with a cutter head locking screw hole; the upper part of the cutter head is clamped in the rectangular notch and can be fastened in the rectangular notch through a cutter head locking screw which is connected in the cutter head locking screw hole through threads; a cutter head positioning bulge which is just clamped in the cutter bar positioning groove and can slide in the rectangular notch along the cutter bar positioning groove is arranged on the side surface of the upper part of the cutter head; the blade is arranged at the bottom of the cutter head through a compression screw; a cooling water inlet communicated with the cutter bar water outlet is arranged in the main body.
Furthermore, the number of the blades is two, and the two blades are respectively arranged on two sides of the bottom of the cutter head in parallel with the cutter bar positioning groove through compression screws.
Furthermore, the fine adjustment device consists of a fine adjustment dial and a screw rod; the screw rod is in threaded connection with the main body and can extend into the main body to finely adjust the position of the cutter rod, and the fine adjustment dial is located outside the main body and fixed on the screw rod.
Further, the lower part of the cutter rod is cylindrical.
Furthermore, the cutter bar positioning groove is of a rectangular structure and is matched with the cutter head positioning protrusion.
Furthermore, the cutter bar positioning groove and the cutter head positioning bulge are parallel to the bottom surface of the cutter bar.
The invention has the following advantages:
(1) change traditional boring cutter arbor into combination cutter arbor: the original micro boring cutter bar is improved, and the traditional boring cutter bar is designed into two parts;
(2) the tool changing head is more convenient: after improvement, the cutter bar can be universal, different parts can be machined, and only different cutter heads need to be replaced;
(3) the processing range is enlarged: the single tool bit can be processed within a range which is increased by multiple times because the tool bit can move;
(4) the manufacture of the tool bit is simpler: compared with the prior boring cutter bar, the cutter head of the boring cutter bar is simpler to manufacture, and the volume of parts is miniaturized;
(5) the method for increasing cooling during cutting processing comprises the following steps: because the invention can process the inner circle and the outer circle at the same time, and the cutter bar part is designed to be hollow, when the outer circle is processed, the workpiece can be cooled by water discharged from the center of the cutter main shaft under the condition that the equipment is charged.
Drawings
FIG. 1 is a schematic structural view of a novel micro-motion boring cutter structure according to the invention;
FIG. 2 is a schematic structural view of the novel micro-motion boring cutter structure for respectively performing inner and outer circle machining;
FIG. 3 is a schematic structural view of a conventional boring tool holder;
FIG. 4 is a schematic structural view of a cutter bar in the novel micro-motion boring cutter structure;
FIG. 5 is a schematic structural view of a tool bit in the novel micro-motion boring tool structure;
shown in the figure: 1-main body, 2-sliding device, 3-micro-motion adjusting device, 4-locking screw, 5-cutter bar, 6-cutter head, 7-cutter head locking screw, 8-blade, 9-compression screw, 10-water outlet, 11-rectangular notch, 12-cutter bar positioning groove, 13-cutter head locking screw hole and 14-cutter head positioning protrusion.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, 2, 4 and 5, the novel micro boring cutter structure of the present invention comprises a main body 1, a sliding device 2 installed on one side of the main body 1, a micro adjusting device 3 installed on the other side of the main body 1, a cutter bar 5, a cutter head 6 and a blade 8; the cutter bar 5 and the cutter head 6 are of a split structure; a water outlet 10 penetrating through the cutter bar 5 up and down is arranged in the cutter bar 5, the upper part of the cutter bar 5 is arranged in the main body 1 and is connected to the sliding device 2 through a locking screw 4, the lower part of the cutter bar 5 is cylindrical, and a rectangular gap 11 is also arranged at the bottom of the cutter bar 5; one side of the rectangular notch 11 is provided with a cutter bar positioning groove 12, and the other side is provided with a cutter head locking screw hole 13; the upper part of the cutter head 6 is clamped in the rectangular notch 11 and can be fastened in the rectangular notch 11 through a cutter head locking screw 7 which is connected in a cutter head locking screw hole 13 through threads; a cutter head positioning bulge 14 which is just clamped in the cutter bar positioning groove 12 and can slide in the rectangular notch 11 along the cutter bar positioning groove 12 is arranged on the side surface of the upper part of the cutter head 6; the blade 8 is arranged at the bottom of the cutter head 6 through a compression screw 9; a cooling water inlet communicated with a water outlet 10 of the cutter bar 5 is arranged in the main body 1.
Furthermore, the number of the blades 8 is two, and the two blades are respectively arranged on two sides of the bottom of the cutter head 6 in parallel with the cutter bar positioning groove 12 through the compression screws 9.
Further, the fine adjustment device 3 is composed of a fine adjustment dial and a screw rod; the screw rod is in threaded connection with the main body 1 and can extend into the main body 1 to finely adjust the position of the cutter rod 5, and the fine adjustment dial is located outside the main body 1 and fixed on the screw rod.
Further, the lower part of the cutter bar 5 is cylindrical.
Further, the cutter bar positioning groove 12 is rectangular and matched with the cutter head positioning bulge 14.
Further, the cutter bar positioning groove 12 and the cutter head positioning protrusion 14 are parallel to the bottom surface of the cutter bar 5.
The assembling method comprises the following steps:
(1) the upper end of the cutter bar 5 is inserted into the main body 1, and after the groove at the upper end of the cutter bar 5 is aligned with the sliding device 2, the upper end of the cutter bar 5 is connected to the sliding device 2 through the locking screw 4;
(2) the upper end of the cutter head 6 is clamped into a rectangular notch 11 at the bottom of the cutter bar 5, the cutter head positioning bulge 14 is aligned to a cutter bar positioning groove 12 at the bottom of the cutter bar 5 to clamp the cutter head and the cutter bar together, and the cutter head 6 is tightly pressed by a cutter head locking screw 7;
(3) the blade 8 is pressed on the cutter head 6 by a compression screw 9;
the using method comprises the following steps:
(1) tool setting: loosening the cutter head locking screw 7, manually enabling the cutter point of the cutter blade 8 to be close to the part to be machined in the inner and outer circle directions shown in the figure 2, visually observing a small gap, and then locking;
(2) adjusting: after the cutters are aligned, the sizes of the cutters are adjusted according to the requirements through a micro-adjusting device 3;
(3) trial cutting: the manual main shaft (rotating state) trial cutting is the same as other boring cutters.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A novel micro-motion boring cutter structure comprises a main body, a sliding device arranged on one side of the main body, a micro-motion adjusting device arranged on the other side of the main body, a cutter bar, a cutter head and a blade; the method is characterized in that: the cutter bar and the cutter head are of a split structure; a water outlet which penetrates through the cutter bar up and down is formed in the cutter bar, the upper part of the cutter bar is arranged in the main body and is connected to the sliding device through a locking screw, and a rectangular notch is formed in the bottom of the cutter bar; one side of the rectangular notch is provided with a cutter bar positioning groove, and the other side of the rectangular notch is provided with a cutter head locking screw hole; the upper part of the cutter head is clamped in the rectangular notch and can be fastened in the rectangular notch through a cutter head locking screw which is connected in the cutter head locking screw hole through threads; a cutter head positioning bulge which is just clamped in the cutter bar positioning groove and can slide in the rectangular notch along the cutter bar positioning groove is arranged on the side surface of the upper part of the cutter head; the blade is arranged at the bottom of the cutter head through a compression screw; a cooling water inlet communicated with the cutter bar water outlet is arranged in the main body; the number of the blades is two, and the two blades are respectively arranged on two sides of the bottom of the cutter head in parallel to the cutter bar positioning groove through compression screws.
2. The novel micromotion boring cutter structure as claimed in claim 1, wherein: the fine adjustment device consists of a fine adjustment dial and a screw rod; the screw rod is in threaded connection with the main body and can extend into the main body to finely adjust the position of the cutter rod, and the fine adjustment dial is located outside the main body and fixed on the screw rod.
3. The novel micromotion boring cutter structure as claimed in claim 1, wherein: the lower part of the cutter bar is cylindrical.
4. The novel micromotion boring cutter structure as claimed in any one of claims 1 to 3, wherein: the cutter bar positioning groove is of a rectangular structure and is matched with the cutter head positioning bulge.
5. The novel micromotion boring cutter structure as claimed in claim 4, wherein: the cutter bar positioning groove and the cutter head positioning bulge are parallel to the bottom surface of the cutter bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810543352.XA CN108705110B (en) | 2018-05-31 | 2018-05-31 | Novel fine motion boring cutter structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810543352.XA CN108705110B (en) | 2018-05-31 | 2018-05-31 | Novel fine motion boring cutter structure |
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| Publication Number | Publication Date |
|---|---|
| CN108705110A CN108705110A (en) | 2018-10-26 |
| CN108705110B true CN108705110B (en) | 2020-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810543352.XA Active CN108705110B (en) | 2018-05-31 | 2018-05-31 | Novel fine motion boring cutter structure |
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| Country | Link |
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| CN (1) | CN108705110B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114367684B (en) * | 2022-03-22 | 2022-06-07 | 南通九维机械制造有限公司 | Boring cutter device with variable boring diameter |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2150368A1 (en) * | 1971-08-20 | 1973-04-06 | Valeron Corp | |
| CN2437437Y (en) * | 2000-08-10 | 2001-07-04 | 范姜群仁 | Improved hone |
| CN1853833A (en) * | 2005-04-26 | 2006-11-01 | 海因凯撒股份有限公司 | Boring tool |
| CN201231325Y (en) * | 2008-06-23 | 2009-05-06 | 漳州升源机械工业有限公司 | Hole boring cutter head |
| CN201470910U (en) * | 2009-08-20 | 2010-05-19 | 宁波欧乐机械有限公司 | High-efficient precision micro-adjustment tool mechanism |
| CN201644827U (en) * | 2010-01-28 | 2010-11-24 | 陈结源 | Structure of boring tool bit |
| CN101954497A (en) * | 2010-10-30 | 2011-01-26 | 东莞市亚肯精密机械有限公司 | Precision fine-tuning boring cutter |
| CN202343969U (en) * | 2011-09-08 | 2012-07-25 | 张春财 | Waterproof structure of boring cutter |
| CN105127461A (en) * | 2015-09-16 | 2015-12-09 | 浙江同济科技职业学院 | Fine-adjustment center water discharging eccentric boring cutter |
| CN106735356A (en) * | 2016-12-28 | 2017-05-31 | 基准精密工业（惠州）有限公司 | Boring cutter and the method that hole is processed using the boring cutter |
-
2018
- 2018-05-31 CN CN201810543352.XA patent/CN108705110B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2150368A1 (en) * | 1971-08-20 | 1973-04-06 | Valeron Corp | |
| CN2437437Y (en) * | 2000-08-10 | 2001-07-04 | 范姜群仁 | Improved hone |
| CN1853833A (en) * | 2005-04-26 | 2006-11-01 | 海因凯撒股份有限公司 | Boring tool |
| CN201231325Y (en) * | 2008-06-23 | 2009-05-06 | 漳州升源机械工业有限公司 | Hole boring cutter head |
| CN201470910U (en) * | 2009-08-20 | 2010-05-19 | 宁波欧乐机械有限公司 | High-efficient precision micro-adjustment tool mechanism |
| CN201644827U (en) * | 2010-01-28 | 2010-11-24 | 陈结源 | Structure of boring tool bit |
| CN101954497A (en) * | 2010-10-30 | 2011-01-26 | 东莞市亚肯精密机械有限公司 | Precision fine-tuning boring cutter |
| CN202343969U (en) * | 2011-09-08 | 2012-07-25 | 张春财 | Waterproof structure of boring cutter |
| CN105127461A (en) * | 2015-09-16 | 2015-12-09 | 浙江同济科技职业学院 | Fine-adjustment center water discharging eccentric boring cutter |
| CN106735356A (en) * | 2016-12-28 | 2017-05-31 | 基准精密工业（惠州）有限公司 | Boring cutter and the method that hole is processed using the boring cutter |
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| Publication number | Publication date |
|---|---|
| CN108705110A (en) | 2018-10-26 |
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