CN203992458U - The vibration damping lathe tool that a kind of dynamic characteristic is adjustable - Google Patents
The vibration damping lathe tool that a kind of dynamic characteristic is adjustable Download PDFInfo
- Publication number
- CN203992458U CN203992458U CN201420498603.4U CN201420498603U CN203992458U CN 203992458 U CN203992458 U CN 203992458U CN 201420498603 U CN201420498603 U CN 201420498603U CN 203992458 U CN203992458 U CN 203992458U
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- knife
- vibration
- knife rest
- adjustable
- vibration damping
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- Auxiliary Devices For Machine Tools (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The vibration damping lathe tool that dynamic characteristic is adjustable, comprises knife bar and knife rest, is provided with for regulating the adjustment screw of spacing between knife rest and knife bar on described knife rest; And described knife bar comprises processing sections and vibration damping section, its processing sections comprises shank portion and the processing cutter head stretching out outside knife rest, vibration damping section is arranged in processing sections rear portion and is installed on knife rest, comprise handle of a knife and be sleeved on the U-shaped reinforcement housing on handle of a knife, between this U-shaped reinforcement housing and handle of a knife, be filled with vibration isolation rubber layer, and form some shock-absorbing springs in this vibration isolation rubber layer; Simultaneously, between knife rest and knife bar processing sections, be also provided with the adjustable compound vibration-damper of arranging in groups, the main body of this adjustable compound vibration-damper is a rubber column structure, forms a metal spring in it, and in the both ends of the surface of metal spring, end plate is set respectively and contacts with knife rest and knife bar.The utility model meets the stable cutting demand of different machining conditions, improves turning suface processing quality under high-speed turning condition.
Description
Technical field
The utility model relates to machining equipment technical field, is specially the adjustable vibration damping lathe tool of a kind of dynamic characteristic.
Background technology
Cutting vibration is phenomenon common in cutting process, and it produces larger adverse effect to machining quality, cutter life.The oscillatory type of common cutting vibration comprises forced vibration and self-excited vibration; wherein; self-excited vibration is divided into again regenerative self-excited vibration, friction-type self-excited vibration and modal coupling self-excited vibration; in turning process; variation due to connecting portion rigidity such as knife rest, main shaft, lathe tools; often there will be forced vibration and regenerative self-excited vibration; affect stock-removing efficiency and cutting surface quality; particularly when high speed and precision turning; this cutting vibration is more prone to occur, and the impact of unfavorable effect is also more obvious.
More conventional solution for this class cutting vibration is by changing cutting speed, to avoid the generation of cutting vibration at present, but be subject to the restriction of the factors such as lathe, cutter, workpiece, working (machining) efficiency, the mobility scale of cutting parameter is limited, therefore, be necessary cutter to improve, by regulating the dynamic characteristic of tooling system, to reach the object of optimizing cutting stability.
Utility model content
The vibration damping lathe tool that provides a kind of dynamic characteristic adjustable is provided the technical problem that the utility model solves, to solve the shortcoming in above-mentioned background technology.
The technical problem that the utility model solves realizes by the following technical solutions:
The vibration damping lathe tool that dynamic characteristic is adjustable, comprises knife bar and knife rest, wherein, is provided with for regulating the adjustment screw of spacing between knife rest and knife bar on described knife rest; And described knife bar comprises processing sections and vibration damping section, its processing sections comprises shank portion and the processing cutter head stretching out outside knife rest, vibration damping section is arranged in processing sections rear portion and is installed on knife rest, comprise handle of a knife and be sleeved on the U-shaped reinforcement housing on handle of a knife, between this U-shaped reinforcement housing and handle of a knife, be filled with vibration isolation rubber layer, and form some shock-absorbing springs in this vibration isolation rubber layer; Simultaneously, between knife rest and knife bar processing sections, be also provided with the adjustable compound vibration-damper of arranging in groups, the main body of this adjustable compound vibration-damper is a rubber column structure, forms a metal spring in it, and in the both ends of the surface of metal spring, end plate is set respectively and contacts with knife rest and knife bar.
In the utility model, in vibration isolation rubber layer in described knife bar vibration damping section and adjustable compound vibration-damper, rubber column is respectively vulcanized rubber layer and the vulcanized rubber post through high temperature vulcanized sizing, by utilizing mechanical property and the spring rate of vibration isolation rubber layer, can absorb the vibration of knife bar when cutting, meet the rigidity requirement of cutting.
In the utility model, the position relationship between the rigging position of the one group of adjustment screw arranging on the rigging position of described adjustable compound vibration-damper and knife rest is for coaxially superimposed.
In the utility model, the tip plate configurations in described adjustable compound vibration-damper preferably adopts circular end plate.
Advantage of the present utility model and beneficial effect are:
1, the utility model has been installed buffer spring on knife bar, and simultaneous buffering rubber combines, and forms buffering knife bar, has good buffering effect;
2, the utility model is provided with adjustable composite buffering device on knife rest, makes lathe tool and knife rest coupling stiffness adjustable, can meet the stable cutting needs of different machining conditions;
3, the utility model adjustable composite buffering device is installed and knife bar rigidity adjustable, can realize the vibrocutting of lathe tool, further under high-speed turning condition, improve turning surface quality.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model preferred embodiment.
Fig. 2 is the schematic diagram of adjustable compound vibration-damper of the present utility model.
Wherein: 1, lathe tool; 2, knife bar; 3, adjustable compound vibration-damper; 4, adjustment screw; 5, vibration isolation rubber layer; 6, knife rest; 7, U-shaped reinforcement housing; 8, end plate; 9, metal spring; 10, yielding rubber post.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1, the preferred embodiment of the vibration damping lathe tool that a kind of dynamic characteristic of Fig. 2 is adjustable, in the present embodiment, comprise knife bar 2 and knife rest 6, the handle of a knife of the processing sections in its knife bar 2 left sides stretches out knife rest 6, and be provided with lathe tool 1 as processing cutter head at front end, and vibration damping section outside is by U-shaped reinforcement housing 7 parcels, and between U-shaped reinforcement housing 7 and knife bar 2, be filled with one deck vibration isolation rubber layer 5, vibration isolation rubber layer 5 is by high temperature vulcanized sizing, in vibration isolation rubber layer 5, also form shock-absorbing spring simultaneously, by utilizing mechanical property and the spring rate of vibration isolation rubber layer 5, vibration in the time of absorbing cutting, meet the rigidity requirement of cutting.
In addition, between knife rest 6 and the processing sections of knife bar 2, be also provided with adjustable compound vibration-damper 3, the main body of this adjustable compound vibration-damper 3 is a high temperature vulcanized yielding rubber post 10 forming, in it, form a metal spring 9, and in the both ends of the surface of metal spring 9, circular end plate 8 is set respectively and contacts with knife rest 6 and knife bar 2, and the position relationship between the rigging position of the one group of adjustment screw 4 arranging on the rigging position of adjustable compound vibration-damper 3 and knife rest 6 is for coaxially superimposed.By adjusting adjustment screw 4, can realize the different decrement of adjustable compound vibration-damper 3, thereby knife bar Oscillation Amplitude while changing lathe tool turning is realized the cutting of lathe tool efficient stable.
After the vibration damping lathe tool of the present embodiment is first clamped on knife rest 6 by knife bar 2 when assembling, adjustable compound vibration-damper 3 is installed on knife rest 6, by the adjustment screw 4 on adjusting knife rest 6, adjust the rigidity of adjustable compound vibration-damper 3, thereby reach the object that regulates Boring Bar dynamic characteristic, simultaneously, it is stable that the end plate 8 at adjustable compound vibration-damper 3 two ends can make knife bar 2 clamp on knife rest 6, prevents that knife bar 2 from twisting.
The condition producing according to vibrocutting: first must have a kind of amplitude that can produce is a, and the vibration source that frequency is f, when cutting speed is v, meeting under the condition of v≤2 π af, just can be realized vibrocutting, gets v
0=2 π af, as v≤v
0/ 3 o'clock, vibrocutting best results.The vibration damping lathe tool of the present embodiment utilizes adjustment screw 4 to regulate the decrement of adjustable compound vibration-damper 3, the amplitude of the vibration when damping cushion effect of cooperation vibration damping section can effectively change lathe tool 1 cutting, make it to reach the optimum cutting condition of v≤2 π af, can realize vibrocutting simultaneously.
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. the adjustable vibration damping lathe tool of dynamic characteristic, comprises knife bar and knife rest, it is characterized in that, is provided with for regulating the adjustment screw of spacing between knife rest and knife bar on described knife rest; And described knife bar comprises processing sections and vibration damping section, its processing sections comprises shank portion and the processing cutter head stretching out outside knife rest, vibration damping section is arranged in processing sections rear portion and is installed on knife rest, comprise handle of a knife and be sleeved on the U-shaped reinforcement housing on handle of a knife, between this U-shaped reinforcement housing and handle of a knife, be filled with vibration isolation rubber layer, and form some shock-absorbing springs in this vibration isolation rubber layer; Simultaneously, between knife rest and knife bar processing sections, be also provided with the adjustable compound vibration-damper of arranging in groups, the main body of this adjustable compound vibration-damper is a rubber column structure, forms a metal spring in it, and in the both ends of the surface of metal spring, end plate is set respectively and contacts with knife rest and knife bar.
2. the adjustable vibration damping lathe tool of a kind of dynamic characteristic according to claim 1, it is characterized in that, in the vibration isolation rubber layer in described knife bar vibration damping section and adjustable compound vibration-damper, rubber column is respectively vulcanized rubber layer and the vulcanized rubber post through high temperature vulcanized sizing.
3. the adjustable vibration damping lathe tool of a kind of dynamic characteristic according to claim 1, is characterized in that, the position relationship between the rigging position of the one group of adjustment screw arranging on the rigging position of described adjustable compound vibration-damper and knife rest is for coaxially superimposed.
4. the adjustable vibration damping lathe tool of a kind of dynamic characteristic according to claim 1, is characterized in that, the end plate in described adjustable compound vibration-damper is circular end plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420498603.4U CN203992458U (en) | 2014-09-01 | 2014-09-01 | The vibration damping lathe tool that a kind of dynamic characteristic is adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420498603.4U CN203992458U (en) | 2014-09-01 | 2014-09-01 | The vibration damping lathe tool that a kind of dynamic characteristic is adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203992458U true CN203992458U (en) | 2014-12-10 |
Family
ID=52032523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420498603.4U Expired - Fee Related CN203992458U (en) | 2014-09-01 | 2014-09-01 | The vibration damping lathe tool that a kind of dynamic characteristic is adjustable |
Country Status (1)
| Country | Link |
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| CN (1) | CN203992458U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106363198A (en) * | 2016-11-07 | 2017-02-01 | 东南大学 | Dynamic vibration attenuation boring tool |
| CN112453449A (en) * | 2019-09-06 | 2021-03-09 | 常州钧焯工具有限公司 | Forming cutter |
| CN112620670A (en) * | 2020-12-15 | 2021-04-09 | 孟宪超 | Numerical control machine tool capable of prolonging service life of cutter |
| CN115740525A (en) * | 2022-12-13 | 2023-03-07 | 大连理工大学 | Flexible vibration suppression device and adaptive vibration suppression method for long overhanging turning tool |
-
2014
- 2014-09-01 CN CN201420498603.4U patent/CN203992458U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106363198A (en) * | 2016-11-07 | 2017-02-01 | 东南大学 | Dynamic vibration attenuation boring tool |
| CN112453449A (en) * | 2019-09-06 | 2021-03-09 | 常州钧焯工具有限公司 | Forming cutter |
| CN112620670A (en) * | 2020-12-15 | 2021-04-09 | 孟宪超 | Numerical control machine tool capable of prolonging service life of cutter |
| CN112620670B (en) * | 2020-12-15 | 2024-02-20 | 宽城双兴矿山设备制造有限公司 | Numerical control machine tool capable of prolonging service life of cutter |
| CN115740525A (en) * | 2022-12-13 | 2023-03-07 | 大连理工大学 | Flexible vibration suppression device and adaptive vibration suppression method for long overhanging turning tool |
| CN115740525B (en) * | 2022-12-13 | 2023-08-04 | 大连理工大学 | Flexible vibration suppression device and adaptive vibration suppression method for long overhanging turning tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20150901 |
|
| EXPY | Termination of patent right or utility model |