CN204262383U - A kind of boring cutter handle structure and Excircle machining boring cutter thereof - Google Patents
A kind of boring cutter handle structure and Excircle machining boring cutter thereof Download PDFInfo
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- CN204262383U CN204262383U CN201420773156.9U CN201420773156U CN204262383U CN 204262383 U CN204262383 U CN 204262383U CN 201420773156 U CN201420773156 U CN 201420773156U CN 204262383 U CN204262383 U CN 204262383U
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Abstract
The utility model discloses a kind of boring cutter handle structure, comprise handle of a knife body and the clamping portion being positioned at handle of a knife body rear end, it is characterized in that, handle of a knife body is connected to form vertically by main body circular cone and installation cylinder, described main body circular cone adopts carbon structural steels to obtain, and described installation cylinder adopts high-strength alloy Steel material to obtain.Also disclose a kind of Excircle machining boring cutter that have employed this boring cutter handle structure.It is large that the utility model has the range of work, and effectively can reduce handle of a knife Root Stress concentration phenomenon, the advantage increased the service life, this Excircle machining boring cutter can also be made to have Excircle machining convenient and swift, good stability, machining accuracy is high, the advantage that processed and applied scope is wide.
Description
Technical field
The utility model relates to a kind of boring cutter, particularly relates to a kind of boring cutter handle structure and Excircle machining boring cutter thereof.
Background technology
Boring cutter belongs to the one of cutting element.In prior art, handle of a knife circle handle structure is mostly column type, also has part to be pyramid type, and for the former, the range of work is large, but mechanical property requirements is high, and material price is expensive, and cylinder Root Stress is concentrated serious, easily at fracture of root; For the latter, pyramid type design effectively can reduce round handle Root Stress and concentrate, and can make cutter, but the range of work is little with cheap material.
Boring cutter comprises inner hole boring tool and the large type of cylindrical boring cutter two in addition, and wherein common cylindrical boring cutter is the patten's design around being cut cylindrical rotation, and adopt this cutter to carry out adding man-hour in surface to foreign round, stationarity is poor, and machining accuracy is poor.In addition, for the Excircle machining of part special construction, adopting Common boring cutter to add trade union, to there is boring cutter machining locus scope larger, meeting and peripheral component produce interferes (the processing of the installation cylinder in the middle part of such as automobile engine gear box casing inner surface, adopt Common boring cutter will produce with the erection column installing cylinder periphery to interfere), also there is the defect that processed and applied scope is less.In addition, normal cylindrical boring cutter cannot complete in drum surface process the processing simultaneously realized cylinder end chamfering.
The utility model of China's number of patent application 201420362154.0 once disclosed a kind of cover lathe tool for processing conical ring boss, comprise knife bar and cylindrical shape mount pad, described knife bar and cylindrical shape mount pad are on same rotation centerline, the barrel of described cylindrical shape mount pad has a breach, in described breach, a blade is installed, the cutting edge of described blade exceeds the top end face of cylindrical shape mount pad along rotation centerline direction, the size between the cutting edge of described blade and rotation centerline is less than the internal diameter of cylindrical shape mount pad.The structure of this cover lathe tool, the processing of cutting to foreign round can be facilitated, but still there is following defect in this utility model: 1, mount pad is cylindrical shape is arranged breach to install blade, cause mount pad self turning moment uneven, during work, turning moment is unbalance can produce vibration and deflection, causes machining accuracy low.2, this cutter only can turning, cannot complete chamfer machining.
Utility model content
For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is: how to provide a kind of range of work large, and effectively can reduce handle of a knife Root Stress concentration phenomenon, the boring cutter handle structure increased the service life and Excircle machining boring cutter thereof, and it is convenient and swift to make this Excircle machining boring cutter to have Excircle machining further, good stability, machining accuracy is high, the feature that processed and applied scope is wide.
In order to solve the problems of the technologies described above, the utility model have employed following technical scheme:
A kind of boring cutter handle structure, comprise handle of a knife body and the clamping portion being positioned at handle of a knife body rear end, it is characterized in that, handle of a knife body is connected to form vertically by main body circular cone and installation cylinder, described main body circular cone adopts carbon structural steels to obtain, and described installation cylinder adopts high-strength alloy Steel material to obtain.High strength alloy steel refers to that tensile strength must at the steel alloy of more than 50kg/mm2.
Like this, because handle of a knife body rear end and clamping portion connecting place adopt conical structure, effectively reduce Root Stress and concentrate, whole holder main body adopts the manufacture of cheap carbon structure Steel material, greatly reduces costs, and improves handle of a knife, cutter life; Position, handle of a knife body front end adopts column structure, expands processing space content, and convenient match with cutter head standard component installs, this position employing high-strength alloy Steel material, can ensure clamp precision and job stability.
As optimization, be connected and fixed by threaded post and screwed hole between main body circular cone and installation cylinder.Like this, conveniently connection can be installed.
As optimization, the installation round platform that of comprising that and main body circular cone rear end be connected in described clamping portion is circumferentially protruding, install round platform surface have a circle installation groove and install installation gap round platform also with a screens, the linking of installation round platform rear end arranges the cone segments for locating and cone segments rear end end face has an installing hole vertically.Like this, the installation of cutter self can be facilitated to fix, ensure quick for installation and reliable and stable.
The invention also discloses a kind of Excircle machining boring cutter, comprise handle of a knife and cutter head, it is characterized in that, described handle of a knife adopts boring cutter handle structure described above.Therefore this Excircle machining boring cutter can have above-mentioned advantage.
As optimization, described cutter head comprises a broach shell, the cylindrical shape that described broach shell entirety is outside in openend, broach shell is installed external cutting blade, two ends diametrically, broach shell outer end are respectively provided with a breach, breach both sides are made to form two relative installations protruding, two protruding rotating weight equalising torque is installed to arrange, an inner side position in front end installing protruding side is provided with insert groove and fixedly mounts described external cutting blade by screw, and the blade of external cutting blade extends internally out the inner lateral edges of installation projection side.
Like this, mode that processed component outer rotates is processed to adopt the mode cover of broach shell to receive, and reduces processing radius of turn, can avoid better interfering and more steadily reliable.Two simultaneously on broach shell protruding balance is installed to arrange, gravity torque balance when rotating can be ensured, ensure rotational stabilization, improve machining accuracy.
Further, another is installed position, protruding inner end and is also provided with a chamfering, cutting paring blade, and chamfering, cutting paring blade entirety is L shape, its directly long section be disposed radially, crotch section is outwards arranged and inner side is blade for chamfering.
Like this, the outer bowlder of processing cylinder, disposablely can complete the processing to chamfering in cylinder Excircle machining and external port, improve working (machining) efficiency.
In sum, it is large that the utility model has the range of work, and effectively can reduce handle of a knife Root Stress concentration phenomenon, the advantage increased the service life, can also make this Excircle machining boring cutter to have Excircle machining convenient and swift, good stability, machining accuracy is high, the advantage that processed and applied scope is wide.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation that have employed the Excircle machining boring cutter of the utility model structure.
Detailed description of the invention
The utility model is described in further detail for the Excircle machining boring cutter that have employed the utility model structure below in conjunction with a kind of and accompanying drawing thereof.
During concrete enforcement: as shown in Figure 1, a kind of Excircle machining boring cutter that have employed the utility model structure, comprises handle of a knife and cutter head, and described handle of a knife adopts the boring cutter handle structure of following structure.Described boring cutter handle structure, comprise handle of a knife body and the clamping portion being positioned at handle of a knife body rear end, wherein, handle of a knife body is connected to form vertically by main body circular cone 1 and installation cylinder 2, described main body circular cone 1 adopts carbon structural steels to obtain, and described installation cylinder 2 adopts high-strength alloy Steel material to obtain.High strength alloy steel refers to that tensile strength must at the steel alloy of more than 50kg/mm2.
Like this, because handle of a knife body rear end and clamping portion connecting place adopt conical structure, effectively reduce Root Stress and concentrate, whole holder main body adopts the manufacture of cheap carbon structure Steel material, greatly reduces costs, and improves handle of a knife, cutter life; Position, handle of a knife body front end adopts column structure, expands processing space content, and convenient match with cutter head standard component installs, this position employing high-strength alloy Steel material, can ensure clamp precision and job stability.
Wherein, be connected and fixed by threaded post and screwed hole between main body circular cone 1 and installation cylinder 2.Like this, conveniently connection can be installed.
Wherein, the installation round platform 10 that of comprising that and main body circular cone rear end be connected in described clamping portion is circumferentially protruding, install round platform 10 surface have a circle installation groove 12 and install the installation gap 11 round platform 10 also with a screens, the linking of installation round platform 10 rear end arranges the cone segments 13 for locating and cone segments 13 rear end end face has an installing hole 14 vertically.Like this, the installation of cutter self can be facilitated to fix, ensure quick for installation and reliable and stable.
Wherein, described cutter head comprises a broach shell 3, the cylindrical shape that described broach shell 3 entirety is outside in openend, broach shell 3 is installed external cutting blade 4, two ends diametrically, broach shell 3 outer end are respectively provided with a breach, breach both sides are made to form two relative installation projections 5, two rotating weight equalising torques of installing projection 5 are arranged, an inner side position in front end installing the side of protruding 5 is provided with insert groove and fixedly mounts described external cutting blade 4 by screw, and the blade of external cutting blade 4 extends internally out the inner lateral edges of installation projection side.
Like this, mode that processed component outer rotates is processed to adopt the mode cover of broach shell to receive, and reduces processing radius of turn, can avoid better interfering and more steadily reliable.Two simultaneously on broach shell protruding balance is installed to arrange, gravity torque balance when rotating can be ensured, ensure rotational stabilization, improve machining accuracy.
Another of wherein broach shell 3 is installed position, protruding inner end and is also provided with a chamfering, cutting paring blade 9, and chamfering, cutting paring blade 9 entirety is L shape, its directly long section be disposed radially, crotch section is outwards arranged and inner side is blade for chamfering.
Like this, the outer bowlder of processing cylinder, disposablely can complete the processing to chamfering in cylinder Excircle machining and external port, improve working (machining) efficiency.
Therefore above-mentioned Excircle machining boring cutter has the range of work greatly, and effectively can reduce handle of a knife Root Stress concentration phenomenon, the advantage increased the service life, this Excircle machining boring cutter can also be made to have Excircle machining convenient and swift, good stability, machining accuracy is high, the advantage that processed and applied scope is wide.
Claims (6)
1. a boring cutter handle structure, comprise handle of a knife body and the clamping portion being positioned at handle of a knife body rear end, it is characterized in that, handle of a knife body is connected to form vertically by main body circular cone and installation cylinder, described main body circular cone adopts carbon structural steels to obtain, and described installation cylinder adopts high-strength alloy Steel material to obtain.
2. boring cutter handle structure as claimed in claim 1, is characterized in that, is connected and fixed between main body circular cone and installation cylinder by threaded post and screwed hole.
3. boring cutter handle structure as claimed in claim 2, it is characterized in that, the installation round platform that of comprising that and main body circular cone rear end be connected in described clamping portion is circumferentially protruding, install round platform surface have a circle installation groove and install installation gap round platform also with a screens, the linking of installation round platform rear end arranges the cone segments for locating and cone segments rear end end face has an installing hole vertically.
4. an Excircle machining boring cutter, comprises handle of a knife and cutter head, it is characterized in that, described handle of a knife adopts boring cutter handle structure described in claim 3.
5. Excircle machining boring cutter as claimed in claim 4, it is characterized in that, described cutter head comprises a broach shell, the cylindrical shape that described broach shell entirety is outside in openend, broach shell is installed external cutting blade, two ends diametrically, broach shell outer end are respectively provided with a breach, breach both sides are made to form two relative installations protruding, two protruding rotating weight equalising torque is installed to arrange, an inner side position in front end installing protruding side is provided with insert groove and fixedly mounts described external cutting blade by screw, the blade of external cutting blade extends internally out the inner lateral edges of the protruding side of installation.
6. Excircle machining boring cutter as claimed in claim 5, it is characterized in that, another is installed position, protruding inner end and is also provided with a chamfering, cutting paring blade, and chamfering, cutting paring blade entirety is L shape, its straight long section is disposed radially, and crotch section is outwards arranged and inner side is blade for chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420773156.9U CN204262383U (en) | 2014-12-10 | 2014-12-10 | A kind of boring cutter handle structure and Excircle machining boring cutter thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420773156.9U CN204262383U (en) | 2014-12-10 | 2014-12-10 | A kind of boring cutter handle structure and Excircle machining boring cutter thereof |
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| Publication Number | Publication Date |
|---|---|
| CN204262383U true CN204262383U (en) | 2015-04-15 |
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| CN201420773156.9U Active CN204262383U (en) | 2014-12-10 | 2014-12-10 | A kind of boring cutter handle structure and Excircle machining boring cutter thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107335853A (en) * | 2016-05-03 | 2017-11-10 | 正河源机械配件有限公司 | Dynamic balancing cutter head |
| CN109530733A (en) * | 2018-12-28 | 2019-03-29 | 太仓海嘉车辆配件有限公司 | A kind of process tool of electric motor end cap large cylindrical |
| CN113182549A (en) * | 2021-03-31 | 2021-07-30 | 成都飞机工业（集团）有限责任公司 | Method for machining high-precision rotating shaft excircle by using eccentric boring cutter |
-
2014
- 2014-12-10 CN CN201420773156.9U patent/CN204262383U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105127461B (en) * | 2015-09-16 | 2017-10-31 | 浙江同济科技职业学院 | A kind of eccentric boring cutter of micro-adjusting center water outlet |
| CN107335853A (en) * | 2016-05-03 | 2017-11-10 | 正河源机械配件有限公司 | Dynamic balancing cutter head |
| CN107335853B (en) * | 2016-05-03 | 2018-12-04 | 正河源机械配件有限公司 | Dynamic balancing cutter head |
| CN109530733A (en) * | 2018-12-28 | 2019-03-29 | 太仓海嘉车辆配件有限公司 | A kind of process tool of electric motor end cap large cylindrical |
| CN113182549A (en) * | 2021-03-31 | 2021-07-30 | 成都飞机工业（集团）有限责任公司 | Method for machining high-precision rotating shaft excircle by using eccentric boring cutter |
| CN113182549B (en) * | 2021-03-31 | 2022-05-10 | 成都飞机工业（集团）有限责任公司 | Method for machining high-precision rotating shaft excircle by using eccentric boring cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 402761 A, No. 60, long Qing Road, Qinggang street, Bishan District, Chongqing. Patentee after: Chongqing Ruitong Seiko Polytron Technologies Inc Address before: No. 60, dragon green road, Qingqian street, Bishan District, Chongqing Patentee before: CHONGQING RUITONG INDUSTRY CO., LTD. |
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| CP03 | Change of name, title or address |