CN107378012A - A kind of machining tool - Google Patents
A kind of machining tool Download PDFInfo
- Publication number
- CN107378012A CN107378012A CN201710611485.1A CN201710611485A CN107378012A CN 107378012 A CN107378012 A CN 107378012A CN 201710611485 A CN201710611485 A CN 201710611485A CN 107378012 A CN107378012 A CN 107378012A
- Authority
- CN
- China
- Prior art keywords
- knife bar
- damping device
- machining tool
- knife
- cutter
- Prior art date
- 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.)
- Granted
Links
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
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Milling Processes (AREA)
Abstract
The present invention relates to a kind of machining tool, including the handle of a knife, knife bar and cutter set gradually from top to bottom, handle of a knife and knife bar are connected, stepped hole is offered in knife bar, the first damping device is provided with stepped hole, the lower section of first damping device is provided with stopping means, and the lower section of stopping means is provided with the second damping device, and the lower section of the second damping device is provided with the locking device of sealing and positioning；Cutting tool installation manner locating slot is offered on the lower surface of knife bar, cutter is located in Cutting tool installation manner locating slot, the upper and lower side of knife bar offers flat-bottom slot, is provided with mounting hole in flat-bottom slot, and cutter is pressed in Cutting tool installation manner locating slot by the holding screw in mounting hole through knife bar.The present invention is advantageous to the processing of the workpiece under the unmanageable operating mode such as deep hole, deep trouth, when knife bar produces vibrations, first damping device and the second damping device are used in combination, the vibrational energy of structure is set to be lost and reach excellent effectiveness in vibration suppression, and processing efficiency and surface smoothness are high, it is practical, it is worthy to be popularized.
Description
Technical field
The invention belongs to mechanical equipment technical field, and in particular to a kind of machining tool.
Background technology
During being processed using lathe, the unmanageable operating mode such as deep hole, deep trouth, these operating modes are frequently encountered
Under, it is desirable to the overhanging of process tool is all very long, and the draw ratio i.e. L/D ratio for the cutter even having is more than or equal to 10,
At this moment, if the conventional standard cutter of process selection, it is highly difficult to want to reach the requirement of processing, if can still want to require high-quality
Amount, the efficient processing for completing workpiece, that is, impossible thing at all.Especially with difficult-to-machine material in recent years
Application, vibration becomes one of obstacle for improving processing efficiency and crudy, and vibration has had a direct impact work
The precision and surface roughness of part, accelerate tool wear, or even produce tipping, seriously reduce cutter life, and vibration causes machine
Cooperation between each part of bed is damaged, and precise decreasing, when serious machining can be able to not be carried out.
The content of the invention
In view of this, the invention provides a kind of machining tool, to solve deficiency of the prior art.
The technical scheme is that：A kind of machining tool, including set gradually from top to bottom handle of a knife, knife bar and
Cutter, handle of a knife and knife bar are connected, and stepped hole is offered in the knife bar, and the first damping device, institute are provided with the stepped hole
State and stopping means is provided with below the first damping device, the second damping device is provided with below the stopping means, it is described
The locking device of sealing and positioning is provided with below second damping device；
Cutting tool installation manner locating slot is offered on the lower surface of the knife bar, the cutter is arranged on Cutting tool installation manner locating slot
Interior, the upper and lower side of knife bar offers flat-bottom slot, is provided with mounting hole in the flat-bottom slot, the holding screw in the mounting hole
Cutter is pressed in Cutting tool installation manner locating slot through knife bar.
Preferably, knife bar is extended type knife bar, and the draw ratio of knife bar is that L/D ratio is more than or equal to 5.
Preferably, the material for preparing of handle of a knife and knife bar is the carbon fibre reinforced plastic based on resin, described based on resin
Carbon fibre reinforced plastic is mainly made up of resin matrix and carbon fiber, and the resin matrix uses the epoxy resin of bisphenol A-type, carbon
The form of fiber is continuous carbon fibre, and the volume ratio control of carbon fiber is 72%.
Preferably, the first damping device includes the first fixed block for being arranged at stepped hole bottom, first fixed block
Lower section is connected with mass by the first elastomer, and the bottom of the mass is connected with the second fixation by the second elastomer
Block.
Preferably, the density of mass is 19.35g/cm3。
Preferably, stopping means is threaded rod, and the threaded rod has a variety of alternative length specifications.
Preferably, the second damping device is steamed buns stuffed with sweetened bean paste damper.
Preferably, the flexible filler in steamed buns stuffed with sweetened bean paste damper includes a diameter of 4mm YG8 spheroids, and the YG8 spheroids are in beans
Integral-filled rate in bag damper is 65% --- 73%.
Preferably, locking device is the screw rod matched with the screw thread in stepped hole.
Preferably, the material for preparing of cutter is silicon nitride ceramics.
Compared with prior art, a kind of beneficial effect of machining tool provided by the invention is：
1st, the material for preparing of handle of a knife of the invention and knife bar is the carbon fibre reinforced plastic based on resin, improves cutter
Static stiffness, it is therefore prevented that flutter.
2nd, the draw ratio of knife bar of the invention is big, is advantageous to the processing of the workpiece under the unmanageable operating mode such as deep hole, deep trouth.
3rd, when knife bar produces vibrations, the first damping device of the invention and the second damping device are used in combination, and make structure
Vibrational energy be lost and reach excellent effectiveness in vibration suppression.
4th, the present invention is provided with Silicon Nitride Ceramic Cutter, and outstanding solution is provided to difficult to machine material.
5th, using effect of the invention is good, and processing efficiency and surface smoothness are high.
Brief description of the drawings
Fig. 1 is the integrally-built front view of the present invention.
Fig. 2 is the integrally-built upward view of the present invention.
Description of reference numerals：
1st, cutter；2nd, holding screw；3rd, locking device；4th, the second damping device；5th, stopping means；6th, the second fixed block；
7th, knife bar；8th, handle of a knife；9th, the first fixed block；10th, the first elastomer；11st, mass；12nd, the second elastomer.
Embodiment
The invention provides a kind of machining tool, and with reference to Fig. 1 structural representation, the present invention is said
It is bright.
As shown in figure 1, a kind of machining tool provided by the invention, including handle of a knife 8, the knife set gradually from top to bottom
Bar 7 and cutter 1, handle of a knife 8 and knife bar 7 are connected, and stepped hole is offered in the knife bar 7, first is provided with the stepped hole and is subtracted
Device is shaken, is provided with stopping means 5 below first damping device, the lower section of the stopping means 5 is provided with second and subtracted
Device 4 is shaken, the lower section of second damping device 4 is provided with the locking device 3 of sealing and positioning；
Cutting tool installation manner locating slot is offered on the lower surface of the knife bar 7, the cutter 1 is arranged on Cutting tool installation manner locating slot
Interior, the upper and lower side of knife bar 7 offers flat-bottom slot, is provided with mounting hole in the flat-bottom slot, the clamp screw in the mounting hole
Cutter 1 is pressed in Cutting tool installation manner locating slot by nail 2 through knife bar 7.
Further, knife bar 7 is extended type knife bar, and the draw ratio of knife bar 7 is that L/D ratio is more than or equal to 5.
Further, the material for preparing of handle of a knife 8 and knife bar 7 is the carbon fibre reinforced plastic based on resin, described based on tree
The carbon fibre reinforced plastic of fat is mainly made up of resin matrix and carbon fiber, and the resin matrix uses the asphalt mixtures modified by epoxy resin of bisphenol A-type
Fat, the form of carbon fiber is continuous carbon fibre, and the volume ratio control of carbon fiber is 72%.
Further, the first damping device includes the first fixed block 9 for being arranged at stepped hole bottom, first fixed block
9 lower section is connected with mass 11 by the first elastomer 10, and the bottom of the mass 11 is connected by the second elastomer 12
There is the second fixed block 6.
Further, the density of mass 11 is 19.35g/cm3。
Further, stopping means 5 is threaded rod, and the threaded rod has a variety of alternative length specifications.
Further, the second damping device 4 is steamed buns stuffed with sweetened bean paste damper.
Further, the flexible filler in steamed buns stuffed with sweetened bean paste damper includes a diameter of 4mm YG8 spheroids, and the YG8 spheroids exist
Integral-filled rate in steamed buns stuffed with sweetened bean paste damper is 65% --- 73%.
Further, locking device 3 is the screw rod matched with the screw thread in stepped hole.
Further, the material for preparing of cutter 1 is silicon nitride ceramics, and cutter hardness prepared by silicon nitride ceramics is high, wear-resisting
Property is good, and anti-stick property is good and chemical stability is good, good for the processability of difficult to machine material, high in machining efficiency.
A kind of machining tool provided by the invention includes handle of a knife, knife bar and cutter, and handle of a knife and knife bar are connected, in knife bar
End offer stepped hole, be provided with the first damping device in stepped hole, the first damping device includes being fixed on stepped hole bottom
First fixed block in portion, the lower surface connecting spring of the first fixed block, the other end of spring are connected with mass, the mass
Lower surface the second fixed block is connected with by spring, the second fixed block is fixed on the hole wall of stepped hole.Second fixed block
Lower section is provided with the simultaneous threaded rod for fixing the second fixed block of auxiliary positioning, and the threaded rod matches with stepped hole, under threaded rod
Side is provided with steamed buns stuffed with sweetened bean paste damper, and the screw rod of sealing and positioning is provided with below the steamed buns stuffed with sweetened bean paste damper；The lower surface of knife bar
On be further opened with Cutting tool installation manner locating slot, cutter is arranged in Cutting tool installation manner locating slot, and the upper and lower side of knife bar offers flat
Groove, is provided with mounting hole in flat-bottom slot, and cutter is pressed on Cutting tool installation manner by the holding screw in the mounting hole through knife bar to be determined
In the groove of position.
The material for preparing of handle of a knife and knife bar is the carbon fibre reinforced plastic based on resin, improves the Static stiffness of cutter, is prevented
Flutter is stopped, the resin matrix of the carbon fibre reinforced plastic based on resin uses the epoxy resin of bisphenol A-type, carbon fiber
Form uses continuous carbon fibre, and the volume ratio control of carbon fiber is 72%.
The handle of a knife of the present invention and the material for preparing of knife bar are the carbon fibre reinforced plastics based on resin, improve the quiet of cutter
Rigidity, it is therefore prevented that flutter, the draw ratio of knife bar is big, is advantageous to the processing of the workpiece under the unmanageable operating mode such as deep hole, deep trouth；
When knife bar produces vibrations, the first damping device of the invention and the second damping device are used in combination, and obtain the vibrational energy of structure
Reach excellent effectiveness in vibration suppression to loss；The present invention is provided with Silicon Nitride Ceramic Cutter, is provided to difficult to machine material excellent
Elegant solution, using effect is good, and processing efficiency and surface smoothness are high, practical, are worthy to be popularized.
Disclosed above is only the preferable specific embodiment of the present invention, and still, the embodiment of the present invention is not limited to this,
What any those skilled in the art can think change should all fall into protection scope of the present invention.
Claims (10)
1. a kind of machining tool, including handle of a knife (8), knife bar (7) and the cutter (1) set gradually from top to bottom, the knife
Handle (8) and knife bar (7) are connected, it is characterised in that：Stepped hole is offered in the knife bar (7), the is provided with the stepped hole
One damping device, stopping means (5) is provided with below first damping device, and the lower section of the stopping means (5) is set
There is the second damping device (4), the locking device (3) of sealing and positioning is provided with below second damping device (4)；
Cutting tool installation manner locating slot is offered on the lower surface of the knife bar (7), the cutter (1) is arranged on Cutting tool installation manner locating slot
Interior, the upper and lower side of knife bar (7) offers flat-bottom slot, is provided with mounting hole in the flat-bottom slot, the tightening in the mounting hole
Cutter (1) is pressed in Cutting tool installation manner locating slot by screw (2) through knife bar (7).
A kind of 2. machining tool according to claim 1, it is characterised in that the knife bar (7) is extended type knife bar,
The draw ratio of knife bar (7) is that L/D ratio is more than or equal to 5.
A kind of 3. machining tool according to claim 1, it is characterised in that the system of the handle of a knife (8) and knife bar (7)
Standby material is the carbon fibre reinforced plastic based on resin, the carbon fibre reinforced plastic based on resin mainly by resin matrix and
Carbon fiber forms, and the resin matrix uses the epoxy resin of bisphenol A-type, and the form of carbon fiber is continuous carbon fibre, and carbon is fine
The volume ratio control of dimension is 72%.
4. a kind of machining tool according to claim 1, it is characterised in that first damping device includes setting
The first fixed block (9) in stepped hole bottom, the lower section of first fixed block (9) are connected with matter by the first elastomer (10)
Gauge block (11), the bottom of the mass (11) are connected with the second fixed block (6) by the second elastomer (12).
5. a kind of machining tool according to claim 4, it is characterised in that the density of the mass (11) is
19.35g/cm3。
A kind of 6. machining tool according to claim 1, it is characterised in that the stopping means (5) is threaded rod,
The threaded rod has a variety of alternative length specifications.
7. a kind of machining tool according to claim 1, it is characterised in that second damping device (4) is beans
Bag damper.
8. a kind of machining tool according to claim 7, it is characterised in that the flexibility in the steamed buns stuffed with sweetened bean paste damper is filled out
Filling thing includes a diameter of 4mm YG8 spheroids, and integral-filled rate of the YG8 spheroids in steamed buns stuffed with sweetened bean paste damper is 65 --- and 73%.
9. a kind of machining tool according to claim 1, it is characterised in that the locking device (3) is and step
The screw rod of screw thread matching in hole.
10. a kind of machining tool according to claim 1, it is characterised in that the material for preparing of the cutter (1) is
Silicon nitride ceramics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710611485.1A CN107378012B (en) | 2017-07-25 | 2017-07-25 | A kind of machining tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710611485.1A CN107378012B (en) | 2017-07-25 | 2017-07-25 | A kind of machining tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107378012A true CN107378012A (en) | 2017-11-24 |
| CN107378012B CN107378012B (en) | 2019-09-24 |
Family
ID=60336874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710611485.1A Active CN107378012B (en) | 2017-07-25 | 2017-07-25 | A kind of machining tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107378012B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108942716A (en) * | 2018-06-13 | 2018-12-07 | 南京航空航天大学 | A kind of aperture knife tool for fibre reinforced composites |
| CN109226795A (en) * | 2018-11-16 | 2019-01-18 | 吉林大学 | A kind of adjustable passive type damping boring bar of frequency and method of adjustment |
| CN109732393A (en) * | 2019-01-31 | 2019-05-10 | 松德刀具（长兴）科技有限公司 | A kind of damping shock absorber and knife bar and cutter using the damping shock absorber |
| CN110355410A (en) * | 2019-06-19 | 2019-10-22 | 哈尔滨理工大学 | A kind of plug in milling arbor of impact type vibration damping |
| CN113182544A (en) * | 2021-04-26 | 2021-07-30 | 哈尔滨理工大学 | Vibration reduction cutter bar for turning large-pitch threads |
| CN115055987A (en) * | 2022-07-05 | 2022-09-16 | 深圳市誉和钻石工具有限公司 | Autonomous vibration reduction cutter bar |
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| JP2005199391A (en) * | 2004-01-16 | 2005-07-28 | Hitachi Ltd | Vibration isolating tool holder |
| CN201415271Y (en) * | 2009-03-20 | 2010-03-03 | 北京工业大学 | Boring bar structure based on friction vibration damping |
| CN201922058U (en) * | 2010-11-26 | 2011-08-10 | 北京工业大学 | Boring rod structure based on two-stage tuned mass damper for vibration damping |
| CN203141667U (en) * | 2012-12-17 | 2013-08-21 | 山东伟基炭科技有限公司 | Cutting tool for processing and drilling of graphite |
| CN203765015U (en) * | 2014-03-04 | 2014-08-13 | 郑州市钻石精密制造有限公司 | Boring cutter provided with shock-absorbing device |
| CN204770750U (en) * | 2015-06-26 | 2015-11-18 | 南京中船绿洲机器有限公司 | Damping boring cutter pole that large length and radius ratio is adjustable |
| CN106270590A (en) * | 2016-09-14 | 2017-01-04 | 哈尔滨理工大学 | A kind of passive type damping boring bar and best vibration damping property regulation method thereof |
| CN106270591A (en) * | 2016-09-21 | 2017-01-04 | 哈尔滨理工大学 | A kind of passive type damping boring bar |
| CN206065451U (en) * | 2016-10-08 | 2017-04-05 | 中北大学 | A kind of granule damping and magneto-rheological combined vibration reducing boring cutter |
-
2017
- 2017-07-25 CN CN201710611485.1A patent/CN107378012B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005199391A (en) * | 2004-01-16 | 2005-07-28 | Hitachi Ltd | Vibration isolating tool holder |
| CN201415271Y (en) * | 2009-03-20 | 2010-03-03 | 北京工业大学 | Boring bar structure based on friction vibration damping |
| CN201922058U (en) * | 2010-11-26 | 2011-08-10 | 北京工业大学 | Boring rod structure based on two-stage tuned mass damper for vibration damping |
| CN203141667U (en) * | 2012-12-17 | 2013-08-21 | 山东伟基炭科技有限公司 | Cutting tool for processing and drilling of graphite |
| CN203765015U (en) * | 2014-03-04 | 2014-08-13 | 郑州市钻石精密制造有限公司 | Boring cutter provided with shock-absorbing device |
| CN204770750U (en) * | 2015-06-26 | 2015-11-18 | 南京中船绿洲机器有限公司 | Damping boring cutter pole that large length and radius ratio is adjustable |
| CN106270590A (en) * | 2016-09-14 | 2017-01-04 | 哈尔滨理工大学 | A kind of passive type damping boring bar and best vibration damping property regulation method thereof |
| CN106270591A (en) * | 2016-09-21 | 2017-01-04 | 哈尔滨理工大学 | A kind of passive type damping boring bar |
| CN206065451U (en) * | 2016-10-08 | 2017-04-05 | 中北大学 | A kind of granule damping and magneto-rheological combined vibration reducing boring cutter |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108942716A (en) * | 2018-06-13 | 2018-12-07 | 南京航空航天大学 | A kind of aperture knife tool for fibre reinforced composites |
| CN108942716B (en) * | 2018-06-13 | 2020-08-07 | 南京航空航天大学 | Hole machining tool for fiber reinforced composite material |
| CN109226795A (en) * | 2018-11-16 | 2019-01-18 | 吉林大学 | A kind of adjustable passive type damping boring bar of frequency and method of adjustment |
| CN109226795B (en) * | 2018-11-16 | 2023-06-27 | 吉林大学 | Frequency-adjustable passive vibration-damping boring bar and adjusting method |
| CN109732393A (en) * | 2019-01-31 | 2019-05-10 | 松德刀具（长兴）科技有限公司 | A kind of damping shock absorber and knife bar and cutter using the damping shock absorber |
| CN110355410A (en) * | 2019-06-19 | 2019-10-22 | 哈尔滨理工大学 | A kind of plug in milling arbor of impact type vibration damping |
| CN113182544A (en) * | 2021-04-26 | 2021-07-30 | 哈尔滨理工大学 | Vibration reduction cutter bar for turning large-pitch threads |
| CN115055987A (en) * | 2022-07-05 | 2022-09-16 | 深圳市誉和钻石工具有限公司 | Autonomous vibration reduction cutter bar |
| CN115055987B (en) * | 2022-07-05 | 2024-05-28 | 深圳市誉和钻石工具有限公司 | Autonomous vibration damping cutter bar |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107378012B (en) | 2019-09-24 |
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