CN113414420A - Multifunctional deep hole boring tool head - Google Patents
Multifunctional deep hole boring tool head Download PDFInfo
- Publication number
- CN113414420A CN113414420A CN202110829360.2A CN202110829360A CN113414420A CN 113414420 A CN113414420 A CN 113414420A CN 202110829360 A CN202110829360 A CN 202110829360A CN 113414420 A CN113414420 A CN 113414420A
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- China
- Prior art keywords
- boring
- cantilever
- guide
- guide section
- head
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B41/02—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for boring deep holes; Trepanning, e.g. of gun or rifle barrels
-
- 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
-
- 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
- B23B29/02—Boring bars
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a multifunctional deep hole repairing and boring tool head, and belongs to the technical field of mechanical deep hole machining. The cantilever boring device comprises a protective cap, a cantilever boring rod, a guide section and a wood guide key, wherein the protective cap is fixedly connected with the center of the left end part of the cantilever boring rod through a screw C in the horizontal direction, the horizontal plane above the left end of the cantilever boring rod is in threaded connection with two screws A in the vertical direction, and a longitudinal square rough boring cutter hole is formed in the cantilever boring rod below the screws A; the right end face of the cantilever boring rod and the left end face of the guide section are fixedly installed, the cantilever boring rod and the guide section are connected in a four-head rectangular threaded mode, the guide head is arranged on the left side of the guide section, and the cantilever boring rod can be detached from the guide head; the upper and lower both ends inboard on guide section right side is installed the ascending wood guide key of a horizontal direction respectively, and the position department threaded connection of the inside partial front end in guide section right side has the ascending screw B of vertical direction. The method can effectively correct the bored inner hole and meet the process requirement of the inner hole.
Description
Technical Field
The invention relates to a multifunctional deep hole repairing and boring tool head, and belongs to the technical field of mechanical deep hole machining.
Background
The long pipe part in the artillery processing has longer length, the bending requirement of an inner hole is not more than 1mm, the inner hole processing needs to be completed on a deep hole drilling and boring machine by utilizing a guiding boring tool head, the boring tool head is generally divided into a rough boring tool head and a fine boring tool head, and an inner hole boring cutter is clamped in the rough boring tool head and is mainly used for processing rough boring and semi-fine boring; a floating boring cutter is clamped in the fine boring tool head and is mainly used for fine boring. In the machining process of rough boring and semi-fine boring, because the curvature of the inner hole of the blank of the long pipe part is larger, the stress is not uniform during the cutting machining of the cutter, and in addition, a certain internal stress exists in the material, the phenomenon of eccentric boring sometimes occurs, at the moment, the inner hole is not machined, but the situation of out-of-round or out-of-round is already occurred, and because the wall thickness difference after the eccentric boring is larger and larger, the tendency of eccentric boring is more and more obvious, the curvature of the inner hole is often out of tolerance, after the situation occurs, the tool head with the function of correcting the deviation is required to be used for repairing and machining, the inner hole which is already bored is corrected, the machining can be ensured to be continuously carried out, and the curvature of the inner hole after boring needs to meet the technological requirements.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the multifunctional deep hole repairing and boring tool head which is suitable for repairing and machining the inner hole of a long pipe part in artillery machining, is convenient and practical, can effectively correct the bored inner hole and can meet the process requirement of the bending degree of the inner hole.
The technical scheme adopted by the invention for solving the technical problems is as follows: a multifunctional deep hole repairing and boring tool head comprises a protective cap, a cantilever boring rod, a guide section and a wood guide key.
The left side of the cantilever boring bar is conical, the round protective cap is fixedly connected with the center of the left end part of the cantilever boring bar through a screw C in the horizontal direction, the horizontal plane above the left end of the cantilever boring bar is in threaded connection with two screws A in the vertical direction, and a longitudinal square rough boring cutter hole is formed in the cantilever boring bar below the screws A; the right end face of the cantilever boring rod and the left end face of the guide section are fixedly installed, the cantilever boring rod and the guide section are connected in a four-head rectangular threaded mode, the diameter and the length of the left side of the guide section are smaller than those of the right side of the guide section, the guide head is arranged on the left side of the guide section, and the cantilever boring rod can be detached from the guide head; the upper and lower both ends inboard on guide section right side is installed the ascending wood guide key of a horizontal direction respectively, and the position department threaded connection of the inside partial front end in guide section right side has the ascending screw B of vertical direction, and the right side afterbody end of guide section adopts four-head rectangle threaded connection's mode and boring cutter arbor fixed connection equally.
The length of the cantilever boring rod is 500mm, and a lightening hole is designed in the cantilever boring rod; the wood guide key is made of birch wood, and the fiber direction is 45 degrees.
The guide section of the deep hole multifunctional boring tool head can be provided with a floating boring cutter which is fixedly connected by a screw B under the condition of requirement, the front end of the cantilever boring bar can be provided with a rough boring cutter, the rough boring cutter bar longitudinally passes through a rough boring cutter hole and is tightly propped and fixed by a screw A, and the distance from the floating boring cutter to the rough boring cutter is 500 mm; the inner hole is bored and deviated, so that the inner hole needs to be corrected, cantilever boring machining is required, but the cantilever is too long, a rough boring cutter rod is easy to vibrate, the cantilever boring depth is not more than 500mm, after the inner hole machining is deviated, the deep hole multifunctional boring tool head is fixedly connected to the boring cutter rod of the deep hole boring machine, the cantilever boring machining within the range of 500mm is realized inside the deep hole by utilizing the cantilever boring rod with the length of 500mm in front of the tool head, and the repaired inner hole is ensured to be completely coaxial with the rotation center of the machine tool. The inner part of the cantilever boring bar is provided with lightening holes, so that the boring strength is ensured, and the weight of the cantilever boring bar is lightened; the protective cap of front end design is used for protecting the apex hole, makes things convenient for the coping to use afterwards.
After cantilever boring, the inner hole has low finish degree and certain taper, and cannot be used as a guide hole, so a floating boring cutter is required to finish the inner hole after the cantilever boring, a cantilever boring rod and a rough boring cutter in front of the deep hole multifunctional boring tool head are dismounted, the floating boring cutter is clamped by a guide section of the rear half part to finish the inner hole, then the bored inner hole part is used as a guide, the cantilever is used for machining the next section of inner hole, and the steps are alternately carried out so as to finish the repair of the bored inclined inner hole. After the repair is finished, the cantilever boring bar at the front end is removed, the floating boring cutter is clamped by the rear guide section of the tool head to further process the inner hole of the workpiece, the roughness of the inner hole is ensured, and if the curvature needs to be further corrected, the floating boring cutter can be fixed by a screw B and then is subjected to boring processing.
The deep hole multifunctional boring tool head has three functions of cantilever boring, guide boring and restoration after boring deviation; the cantilever cutter bar is connected with the guide section by four-head rectangular threads, so that the connection is reliable and the assembly and disassembly are convenient; the wood guide key made of birch is adopted for guiding, the fiber direction is 45 degrees, the guide key is cut by utilizing the machined inner hole end face in the working process, the size of a guide circle is completely the same as that of an inner hole, the wood guide key is soaked by cooling liquid in the machining process, the expansion of the birch is utilized, the wood guide key is ensured to be tightly attached to the inner hole, and the guiding is reliable.
The invention has the beneficial effects that: the invention has reasonable structural design, is safe and practical, can effectively correct the bored inner hole and can meet the process requirement of the curvature of the inner hole, and the special boring tool head is designed to save the rough-bored or semi-finish-bored non-circular long pipe parts, thereby improving the quality of products and avoiding economic loss; meanwhile, the tool head fully refers to the previous repairing experience, is convenient to operate in the using process, and can greatly improve the repairing and processing efficiency and reduce the labor intensity of operators; the boring head can be used as a fine boring tool head without repairing and processing, and has very good practicability and economy.
Drawings
The invention is further described with reference to the following figures and detailed description.
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a schematic diagram of the working process of the present invention.
Fig. 4 is a schematic view of the wood guide key of the present invention.
Fig. 5 is a schematic sectional view of the wood guide key of the present invention.
Reference numbers in the figures:
1. the device comprises a protective cap, 2, screws A and 3, a cantilever boring rod 301, a rough boring cutter hole 4, a guide section 5, screws B and 6, a wood guide key 7, screws C and 8, a bored inclined inner hole 9, a bored inner hole 10 and a boring cutter rod.
Detailed Description
As shown in fig. 1-5, a multifunctional deep hole boring tool head comprises a protective cap 1, a cantilever boring bar 3, a guide section 4 and a wood guide key 6, wherein the left side of the cantilever boring bar 3 is tapered, the circular protective cap 1 is fixedly connected with the center of the left end of the cantilever boring bar 3 through a screw C7 in the horizontal direction, the horizontal plane above the left end of the cantilever boring bar 3 is in threaded connection with two screws a2 in the vertical direction, and a longitudinal square rough boring tool hole 301 is arranged in the cantilever boring bar 1 below the screw a 2; the right end face of the cantilever boring rod 3 is fixedly installed with the left end face of the guide section 4, the cantilever boring rod 3 is connected with the guide section 4 in a four-head rectangular threaded manner, the diameter and the length of the left side of the guide section 4 are both smaller than those of the right side of the guide section 4, the left side of the guide section 4 is provided with a guide head, and the cantilever boring rod 3 can be detached from the guide head; the upper and lower both ends inboard on guide section 4 right side is installed the ascending wood guide key 6 of a horizontal direction respectively, and the screw thread connection has the screw B5 on the vertical direction in the position department of the inside partial front end of guide section 4 right side, and the right side afterbody end of guide section 4 adopts the mode of four-head rectangle threaded connection and boring cutter arbor 10 fixed connection equally.
The length of the cantilever boring bar 3 is 500mm, and a lightening hole is designed in the cantilever boring bar 3; the wood guide key 6 is made of birch wood, and the fiber direction is 45 degrees.
The guide section 4 of the multifunctional deep hole boring tool head can be provided with a floating boring cutter which is fixedly connected by a screw B5 under the condition of requirement, the front end of the cantilever boring bar 3 can be provided with a rough boring cutter, the rough boring cutter bar longitudinally passes through a rough boring cutter hole 301 and is tightly supported and fixed by a screw A2, and the distance from the floating boring cutter to the rough boring cutter is 500 mm; the inner hole is bored and deviated, so that the inner hole needs to be corrected, cantilever boring machining is required, but the cantilever is too long, a rough boring cutter rod is easy to vibrate, the cantilever boring depth is not more than 500mm, after the inner hole machining is deviated, the deep hole multifunctional boring tool head is fixedly connected to the boring cutter rod 10 of the deep hole boring machine, the cantilever boring machining within the range of 500mm is realized inside the deep hole by utilizing the cantilever boring rod 3 with the length of 500mm in front of the tool head, and the repaired inner hole is ensured to be completely coaxial with the rotation center of the machine tool. A lightening hole is designed in the cantilever boring bar 3, so that the boring strength is ensured, and the weight of the cantilever boring bar 3 is lightened; the protective cap 1 designed at the front end is used for protecting the center hole, and is convenient to grind and use later.
After cantilever boring, the inner hole has low finish degree and certain taper, and cannot be used as a guide hole, so a floating boring cutter is required to finish the inner hole after the cantilever boring, the cantilever boring rod 3 and the rough boring cutter in front of the deep hole multifunctional boring tool head are dismounted, the floating boring cutter is clamped by the guide section 4 of the rear half part to finish the inner hole, then the bored inner hole 9 is used as a guide, the cantilever is used for machining the next section of inner hole, and the steps are alternately carried out so as to finish the repair of the bored inclined inner hole 8. After the repair is finished, the cantilever boring bar 3 at the front end is removed, the floating boring cutter is clamped by the rear guide section 4 of the tool head to further process the inner hole of the workpiece, the roughness of the inner hole is ensured, and if the curvature needs to be further corrected, the floating boring cutter can be fixed by a screw B5 and then is subjected to boring processing.
The deep hole multifunctional boring tool head has three functions of cantilever boring, guide boring and restoration after boring deviation; the cantilever cutter bar 3 is connected with the guide section 4 by four-head rectangular threads, so that the connection is reliable and the assembly and disassembly are convenient; the wood guide key 6 made of birch is adopted for guiding, the fiber direction is 45 degrees, the guide key is cut by utilizing the machined inner hole end face in the working process, the size of a guide circle is completely the same as that of an inner hole, the wood guide key is soaked by cooling liquid in the machining process, the wood guide key 6 is ensured to be tightly attached to the inner hole by utilizing the expansibility of the birch, and the guiding is reliable.
Claims (3)
1. The utility model provides a multi-functional boring instrument head of repairing of deep hole, includes protective cap (1), cantilever boring bar (3), direction section (4) and wood guide key (6), its characterized in that: the left side of the cantilever boring rod (3) is conical, the round protective cap (1) is fixedly connected with the center of the left end part of the cantilever boring rod (3) through a screw C (7) in the horizontal direction, the horizontal plane above the left end of the cantilever boring rod (3) is in threaded connection with two screws A (2) in the vertical direction, and a longitudinal square rough boring cutter hole (301) is formed in the cantilever boring rod (1) below the screws A (2); the right end face of the cantilever boring rod (3) is fixedly installed with the left end face of the guide section (4), the cantilever boring rod (3) is connected with the guide section (4) in a four-head rectangular threaded mode, the diameter and the length of the left side of the guide section (4) are both smaller than those of the right side of the guide section (4), the guide head is arranged on the left side of the guide section (4), and the cantilever boring rod (3) can be detached from the guide head; the wood guide key (6) in the horizontal direction is installed respectively to the upper and lower both ends inboard on direction section (4) right side, and the position department threaded connection of the inside partial front end in direction section (4) right side has screw B (5) in the vertical direction, and the right side afterbody end of direction section (4) adopts four-head rectangle threaded connection's mode and boring cutter arbor (10) fixed connection equally.
2. The multifunctional deep hole repairing and boring tool head as claimed in claim 1, wherein: the length of the cantilever boring bar (3) is 500mm, and a lightening hole is designed in the cantilever boring bar (3).
3. The multifunctional deep hole repairing and boring tool head as claimed in claim 1, wherein: the wood guide key (6) is made of birch wood, and the fiber direction is 45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110829360.2A CN113414420A (en) | 2021-07-22 | 2021-07-22 | Multifunctional deep hole boring tool head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110829360.2A CN113414420A (en) | 2021-07-22 | 2021-07-22 | Multifunctional deep hole boring tool head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113414420A true CN113414420A (en) | 2021-09-21 |
Family
ID=77718238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110829360.2A Withdrawn CN113414420A (en) | 2021-07-22 | 2021-07-22 | Multifunctional deep hole boring tool head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113414420A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2047999U (en) * | 1989-06-16 | 1989-11-22 | 李云霞 | Vernier cutter |
| CN201067813Y (en) * | 2007-04-30 | 2008-06-04 | 德州德隆(集团)机床有限责任公司 | Large-scale deep hole drill boring lathe |
| CN201529779U (en) * | 2009-10-20 | 2010-07-21 | 兖矿集团有限公司 | Rapid replacing cutter boring rod |
| US20120149288A1 (en) * | 2010-12-14 | 2012-06-14 | Sugino Machine Limited | Combined processing tool |
| CN202804218U (en) * | 2012-10-17 | 2013-03-20 | 四川华都核设备制造有限公司 | Low-stress deep hole working boring bar for nuclear power plant control rod driving mechanism seal shell |
| CN204182947U (en) * | 2014-10-16 | 2015-03-04 | 武汉重工铸锻有限责任公司 | With the deep hole machining boring head of front fairlead |
| CN204308224U (en) * | 2014-11-25 | 2015-05-06 | 郑州市钻石精密制造有限公司 | Vertical compression compact form metal long cutting tool bar boring cutter |
| CN204449354U (en) * | 2014-12-04 | 2015-07-08 | 大连东拓工程机械制造有限公司 | A kind of assembled boring cutter |
| CN107186228A (en) * | 2017-06-30 | 2017-09-22 | 贵州凯星液力传动机械有限公司 | A kind of accurate cutting tool for boring of superdeep holes |
| CN208245832U (en) * | 2018-03-27 | 2018-12-18 | 无锡润和叶片制造有限公司 | A kind of shockproof boring cutter of bore hole |
| CN109513953A (en) * | 2018-11-28 | 2019-03-26 | 武汉船用机械有限责任公司 | A kind of multipurpose deep-hole boring head and its application method |
| CN208976854U (en) * | 2018-11-13 | 2019-06-14 | 德州塔基机械科技有限公司 | Novel boring cutter |
| CN110421186A (en) * | 2019-08-07 | 2019-11-08 | 武汉重工铸锻有限责任公司 | The method for correcting the elongated deep hole deflection of boring |
| CN111496280A (en) * | 2020-05-31 | 2020-08-07 | 西安昂达机电科技有限公司 | Inner reaming boring cutter for processing deep hole |
| CN213163119U (en) * | 2020-09-15 | 2021-05-11 | 河南合信矿山机械有限公司 | Hydraulic support oil cylinder deep hole turning rolling composite boring head |
-
2021
- 2021-07-22 CN CN202110829360.2A patent/CN113414420A/en not_active Withdrawn
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2047999U (en) * | 1989-06-16 | 1989-11-22 | 李云霞 | Vernier cutter |
| CN201067813Y (en) * | 2007-04-30 | 2008-06-04 | 德州德隆(集团)机床有限责任公司 | Large-scale deep hole drill boring lathe |
| CN201529779U (en) * | 2009-10-20 | 2010-07-21 | 兖矿集团有限公司 | Rapid replacing cutter boring rod |
| US20120149288A1 (en) * | 2010-12-14 | 2012-06-14 | Sugino Machine Limited | Combined processing tool |
| CN202804218U (en) * | 2012-10-17 | 2013-03-20 | 四川华都核设备制造有限公司 | Low-stress deep hole working boring bar for nuclear power plant control rod driving mechanism seal shell |
| CN204182947U (en) * | 2014-10-16 | 2015-03-04 | 武汉重工铸锻有限责任公司 | With the deep hole machining boring head of front fairlead |
| CN204308224U (en) * | 2014-11-25 | 2015-05-06 | 郑州市钻石精密制造有限公司 | Vertical compression compact form metal long cutting tool bar boring cutter |
| CN204449354U (en) * | 2014-12-04 | 2015-07-08 | 大连东拓工程机械制造有限公司 | A kind of assembled boring cutter |
| CN107186228A (en) * | 2017-06-30 | 2017-09-22 | 贵州凯星液力传动机械有限公司 | A kind of accurate cutting tool for boring of superdeep holes |
| CN208245832U (en) * | 2018-03-27 | 2018-12-18 | 无锡润和叶片制造有限公司 | A kind of shockproof boring cutter of bore hole |
| CN208976854U (en) * | 2018-11-13 | 2019-06-14 | 德州塔基机械科技有限公司 | Novel boring cutter |
| CN109513953A (en) * | 2018-11-28 | 2019-03-26 | 武汉船用机械有限责任公司 | A kind of multipurpose deep-hole boring head and its application method |
| CN110421186A (en) * | 2019-08-07 | 2019-11-08 | 武汉重工铸锻有限责任公司 | The method for correcting the elongated deep hole deflection of boring |
| CN111496280A (en) * | 2020-05-31 | 2020-08-07 | 西安昂达机电科技有限公司 | Inner reaming boring cutter for processing deep hole |
| CN213163119U (en) * | 2020-09-15 | 2021-05-11 | 河南合信矿山机械有限公司 | Hydraulic support oil cylinder deep hole turning rolling composite boring head |
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| PB01 | Publication | ||
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Application publication date: 20210921 |