CN112893899A - Boring cutter for large-diameter hole - Google Patents
Boring cutter for large-diameter hole Download PDFInfo
- Publication number
- CN112893899A CN112893899A CN202011475313.4A CN202011475313A CN112893899A CN 112893899 A CN112893899 A CN 112893899A CN 202011475313 A CN202011475313 A CN 202011475313A CN 112893899 A CN112893899 A CN 112893899A
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- CN
- China
- Prior art keywords
- cutter
- tool
- hole
- boring
- diameter
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/03—Boring heads
- B23B29/034—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings
- B23B29/03403—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable before starting manufacturing
- B23B29/03407—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable before starting manufacturing by means of screws and nuts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/24—Tool holders for a plurality of cutting tools, e.g. turrets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The invention discloses a boring cutter for a large-diameter hole, which comprises a cutter bar, a cutter sleeve and a cutter body, wherein the cutter sleeve is installed at one end of the cutter bar, the cutter body is installed at the other end of the cutter bar, two cutter installation holes which are symmetrically arranged at an interval of 180 degrees are formed in the cutter body, a cutter is installed in each cutter installation hole, and the diameter of an inner hole to be machined is adjusted by adjusting the extending length of the cutter. The invention realizes the processing of the inner hole boring machine with the large aperture diameter of phi 450 mm-phi 350mm, has simple and convenient operation in the processing process, shortens the processing period and improves the processing efficiency.
Description
Technical Field
The invention belongs to the technical field of machining process equipment, and relates to a boring cutter for a large-diameter hole.
Background
The common boring cutter on the boring machine is only suitable for processing parts with the maximum diameter of an inner hole of phi 70mm, and the inner hole with the diameter larger than phi 70mm can be processed only by adopting other processing modes such as numerical control milling or vertical turning, so that the problems of complex operation, long processing period, low processing efficiency and the like are caused.
The boring cutter for the large-diameter hole is designed at present, and the boring machine processing of the large-diameter inner hole part with the diameter of phi 450 mm-phi 350mm is realized.
Disclosure of Invention
Objects of the invention
The purpose of the invention is: the boring cutter can realize the processing of a large-aperture inner hole boring machine.
(II) technical scheme
In order to solve the technical problem, the invention provides a boring cutter for a large-diameter hole, which comprises a cutter bar 2, a cutter sleeve 4 and a cutter body 1, wherein the cutter sleeve 4 is installed at one end of the cutter bar 2, the cutter body 1 is installed at the other end of the cutter bar 2, two cutter installation holes which are symmetrically arranged at an interval of 180 degrees are formed in the cutter body 1, a cutter 6 is installed in each cutter installation hole, and the diameter of an inner hole to be machined is adjusted by adjusting the extending length of the cutter 6.
The cutter arbor 2 is cylindric, and the center of upper end and lower extreme establishes the cylinder arch respectively, and lower extreme arch is installed in the mounting hole at cutter body 1 center, and the upper end arch penetrates in the cutter cover 4 centre hole.
The lower end of the cutter bar 2 is matched with a central mounting hole of the cutter body 1, the periphery is welded and fixed,
the upper end of the cutter bar 2 is also sleeved with a cutter bar transition sleeve 3, and the cutter sleeve 4 is positioned above the cutter bar transition sleeve 3.
The excircle of the upper end face and the excircle of the lower end face of the cutter bar transition sleeve 3 are respectively welded and fixed with the cutter bar 2 and the cutter sleeve 4 which are in contact with each other.
The cutter body 1 is a strip plate, and the cutters 6 are arranged at two ends of the cutter body 1. The cutter body 1 is provided with a positioning hole which is vertically communicated with the cutter mounting hole, a jackscrew 5 is mounted in the positioning hole, and the cutter 6 is tightly jacked through the jackscrew 5 to fix the cutter 6. The positioning hole is a threaded hole and is in threaded connection with the jackscrew 5. The cutter mounting hole is a square hole, and the cutter 6 penetrates into the square hole of the cutter body 1.
The cutter bar transition sleeve 3 is welded with the cutter sleeve 4, a positioning hole which is coaxial with the cutter sleeve 4 and used for positioning the cutter bar 2 is processed on the cutter bar transition sleeve 3, and the cutter bar 2 can be ensured to be coaxial with the cutter sleeve 4 after being installed. The cutter bar 2 penetrates through the cutter bar transition sleeve 3 and is arranged in the cutter sleeve 4, and the cutter bar transition sleeve 3 and the cutter bar 2 are welded into a whole. When the boring machine is used, the extension length of the cutter 6 is adjusted, the cutter 6 is tightly propped by the jackscrew 5, the cutter sleeve 4 is connected with the machine tool, and the boring machine for large-diameter holes is driven to machine large-diameter holes by the rotation of the main shaft of the machine tool.
(III) advantageous effects
The boring cutter for the large-diameter hole provided by the technical scheme realizes the processing of the inner hole boring machine with the large-diameter of phi 450 mm-phi 350mm, is simple and convenient to operate in the processing process, shortens the processing period and improves the processing efficiency.
Drawings
FIG. 1 is a schematic structural view of a boring cutter for large-diameter holes;
FIG. 2 is a front view of a boring cutter for large-diameter holes;
FIG. 3 is a rear view of an outer circle horizontal lathe tool.
Detailed Description
In order to make the objects, contents, and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
As shown in fig. 1, the boring tool for large-diameter holes of the present invention includes a tool bar 2, a tool holder 4 mounted at one end of the tool bar 2, and a tool body 1 mounted at the other end of the tool bar 2, wherein two tool mounting holes symmetrically arranged at an interval of 180 ° are formed in the tool body 1, a tool 6 is mounted in the tool mounting hole, and the diameter of an inner hole to be machined is adjusted by adjusting the length of the tool 6.
The cutter arbor 2 is cylindric, and the center of upper end and lower extreme establishes the cylinder arch respectively, and lower extreme arch is installed in the mounting hole at cutter body 1 center, and the upper end arch penetrates in the cutter cover 4 centre hole.
The lower end of the cutter bar 2 is matched with a central mounting hole of the cutter body 1, the periphery is welded and fixed,
the upper end of the cutter bar 2 is also sleeved with a cutter bar transition sleeve 3, and the cutter sleeve 4 is positioned above the cutter bar transition sleeve 3.
The excircle of the upper end face and the excircle of the lower end face of the cutter bar transition sleeve 3 are respectively welded and fixed with the cutter bar 2 and the cutter sleeve 4 which are in contact with each other.
The cutter body 1 is a strip plate, and the cutters 6 are arranged at two ends of the cutter body 1. The cutter body 1 is provided with a positioning hole which is vertically communicated with the cutter mounting hole, a jackscrew 5 is mounted in the positioning hole, and the cutter 6 is tightly jacked through the jackscrew 5 to fix the cutter 6. The positioning hole is a threaded hole and is in threaded connection with the jackscrew 5. The cutter mounting hole is a square hole, and the cutter 6 penetrates into the square hole of the cutter body 1.
The cutter bar transition sleeve 3 is welded with the cutter sleeve 4, a positioning hole which is coaxial with the cutter sleeve 4 and used for positioning the cutter bar 2 is processed on the cutter bar transition sleeve 3, and the cutter bar 2 can be ensured to be coaxial with the cutter sleeve 4 after being installed. The cutter bar 2 penetrates through the cutter bar transition sleeve 3 and is arranged in the cutter sleeve 4, and the cutter bar transition sleeve 3 and the cutter bar 2 are welded into a whole. When the boring machine is used, the extension length of the cutter 6 is adjusted, the cutter 6 is tightly propped by the jackscrew 5, the cutter sleeve 4 is connected with the machine tool, and the boring machine for large-diameter holes is driven to machine large-diameter holes by the rotation of the main shaft of the machine tool.
The boring cutter realizes the boring machine processing of large-diameter inner hole parts with the diameter of phi 450 mm-phi 350, and has simple and convenient operation in the processing process, shortened processing period and improved processing efficiency; simultaneously, the length of the cutter body and the cutter rod can be adjusted according to different product structures so as to meet the requirements of processing holes with different large diameters and holes with different depths.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several 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 (10)
1. The utility model provides a boring cutter for large-diameter hole, its characterized in that includes cutter arbor (2), installs at cutter sleeve (4) of cutter arbor (2) one end and installs cutter body (1) at the cutter arbor (2) other end, sets up two interval 180 symmetrical arrangement's cutter mounting hole on cutter body (1), installs cutter (6) in the cutter mounting hole, and the diameter size of required processing hole is adjusted to the length that adjustment cutter (6) stretched out.
2. The boring tool for large-diameter holes as claimed in claim 1, wherein the tool bar (2) is cylindrical, and cylindrical protrusions are formed at the centers of the upper end and the lower end, respectively, the lower end protrusion is installed in a mounting hole formed at the center of the tool body (1), and the upper end protrusion penetrates into a central hole of the tool sleeve (4).
3. The boring tool for large-diameter holes as claimed in claim 2, wherein the lower end of the tool bar (2) is welded and fixed to the circumference of the tool body (1) after being fitted into the central mounting hole.
4. The boring cutter for the large-diameter hole as claimed in claim 3, wherein a cutter bar transition sleeve (3) is further sleeved at the upper end of the cutter bar (2), and the cutter sleeve (4) is positioned above the cutter bar transition sleeve (3).
5. The boring tool for large-diameter holes as claimed in claim 4, wherein the outer circles of the upper and lower end faces of the cutter bar transition sleeve (3) are respectively welded and fixed with the cutter bar (2) and the cutter sleeve (4) which are in contact with each other.
6. The boring tool for large-diameter holes as claimed in claim 5, wherein the tool body (1) is an elongated plate, and the tools (6) are installed at both ends of the tool body (1).
7. The boring tool for the large-diameter hole as claimed in claim 6, wherein the tool body (1) is provided with a positioning hole which is vertically communicated with the tool mounting hole, a jackscrew (5) is mounted in the positioning hole, and the tool (6) is tightly jacked by the jackscrew (5) to fix the tool (6).
8. The boring tool for large-diameter holes as claimed in claim 7, wherein the positioning hole is a threaded hole to be threadedly engaged with the jack screw (5).
9. The boring tool for large diameter holes as claimed in claim 8, wherein the tool mounting hole is a square hole, and the tool (6) penetrates into the square hole of the tool body (1).
10. Use of a boring tool for large-diameter holes according to any one of claims 1 to 9 in the technical field of machining process equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011475313.4A CN112893899A (en) | 2020-12-14 | 2020-12-14 | Boring cutter for large-diameter hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011475313.4A CN112893899A (en) | 2020-12-14 | 2020-12-14 | Boring cutter for large-diameter hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112893899A true CN112893899A (en) | 2021-06-04 |
Family
ID=76111835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011475313.4A Pending CN112893899A (en) | 2020-12-14 | 2020-12-14 | Boring cutter for large-diameter hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112893899A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4398854A (en) * | 1979-12-04 | 1983-08-16 | Heinz Kaiser Ag | Boring head with fine adjustment mechanism |
| CN2110532U (en) * | 1991-12-20 | 1992-07-22 | 谢爱云 | Mechanically clamped type adjustable boring tool |
| CN1064427A (en) * | 1992-03-17 | 1992-09-16 | 谢爱云 | Mechano-clamped adjustable boring tool |
| CN1212192A (en) * | 1998-09-14 | 1999-03-31 | 谢和顺 | Rough hole-boring cutter capable of displaying trimming bore hole diam cutting data |
| CN1917978A (en) * | 2003-12-17 | 2007-02-21 | 日本特殊陶业株式会社 | Cutting tool clamp and cutting tool |
| CN201120474Y (en) * | 2007-12-13 | 2008-09-24 | 上海松德数控刀具制造有限公司 | Single-blade fine tuning precision boring knife |
| CN101934398A (en) * | 2010-09-30 | 2011-01-05 | 中国航天科工集团第三研究院第八三五七研究所 | Combined type milling cutter for machining flat surface of aluminum alloy |
| CN106914634A (en) * | 2015-12-25 | 2017-07-04 | 茅保富 | Adjustable boring tool disk |
| CN206702240U (en) * | 2017-04-20 | 2017-12-05 | 广州中船文冲船坞有限公司 | Double-blade adjustable boring cutter |
| CN110899798A (en) * | 2019-12-31 | 2020-03-24 | 江苏悍狮霸智能科技有限公司 | Adjustable assembled disc milling cutter |
-
2020
- 2020-12-14 CN CN202011475313.4A patent/CN112893899A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4398854A (en) * | 1979-12-04 | 1983-08-16 | Heinz Kaiser Ag | Boring head with fine adjustment mechanism |
| CN2110532U (en) * | 1991-12-20 | 1992-07-22 | 谢爱云 | Mechanically clamped type adjustable boring tool |
| CN1064427A (en) * | 1992-03-17 | 1992-09-16 | 谢爱云 | Mechano-clamped adjustable boring tool |
| CN1212192A (en) * | 1998-09-14 | 1999-03-31 | 谢和顺 | Rough hole-boring cutter capable of displaying trimming bore hole diam cutting data |
| CN1917978A (en) * | 2003-12-17 | 2007-02-21 | 日本特殊陶业株式会社 | Cutting tool clamp and cutting tool |
| CN201120474Y (en) * | 2007-12-13 | 2008-09-24 | 上海松德数控刀具制造有限公司 | Single-blade fine tuning precision boring knife |
| CN101934398A (en) * | 2010-09-30 | 2011-01-05 | 中国航天科工集团第三研究院第八三五七研究所 | Combined type milling cutter for machining flat surface of aluminum alloy |
| CN106914634A (en) * | 2015-12-25 | 2017-07-04 | 茅保富 | Adjustable boring tool disk |
| CN206702240U (en) * | 2017-04-20 | 2017-12-05 | 广州中船文冲船坞有限公司 | Double-blade adjustable boring cutter |
| CN110899798A (en) * | 2019-12-31 | 2020-03-24 | 江苏悍狮霸智能科技有限公司 | Adjustable assembled disc milling cutter |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210604 |
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| RJ01 | Rejection of invention patent application after publication |