CN206509541U - Vibration absorbing structure for cutting tool - Google Patents
Vibration absorbing structure for cutting tool Download PDFInfo
- Publication number
- CN206509541U CN206509541U CN201621062418.6U CN201621062418U CN206509541U CN 206509541 U CN206509541 U CN 206509541U CN 201621062418 U CN201621062418 U CN 201621062418U CN 206509541 U CN206509541 U CN 206509541U
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- CN
- China
- Prior art keywords
- shock
- cutting tool
- periphery
- center
- damping
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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.)
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Links
- 238000013016 damping Methods 0.000 claims abstract description 51
- 125000006850 spacer group Chemical group 0.000 claims abstract description 4
- 239000002173 cutting fluid Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 238000010521 absorption reaction Methods 0.000 abstract 5
- 230000035939 shock Effects 0.000 abstract 5
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Landscapes
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The utility model discloses a damping structure of a cutting tool, which is arranged in a cutting tool structure, wherein the cutting tool comprises a tool handle and a tool bit; shock-absorbing structure mainly includes: the hollow cavity is arranged in the knife handle; a center rod, the head end of which is connected with the cutter head, and the tail end of which passes through the hollow cavity and is connected with the cutter handle; at least one damping block accommodated in the hollow cavity, the damping block having a through hole sleeved on the periphery of the central rod, and an annular spacer part between the periphery of the damping block and the inner wall of the hollow cavity; an annular gap is arranged between the periphery of the central rod and the sleeve penetrating hole of the damping block; the periphery of the central rod is sleeved with at least two radial damping rubber rings, and the periphery of each radial damping rubber ring is elastically abutted against the wall of a sleeve hole of the damping block; therefore, the vibration generated by the cutter head is transmitted to the central rod to generate a first shock absorption and shock absorption effect, and then is absorbed and inhibited through the radial shock absorption rubber ring and the shock absorption block, so that excellent shock absorption benefit is obtained.
Description
Technical field
The utility model is related to a kind of cutting tool, particularly relates to a kind of tool shock-absorbing function to improve the innovation of machining accuracy
Structural form.
Background technology
It is a kind of quite commonly use and universal processing mode in the technical field for being machined in tradition machinery processing.Its is main
Using the difference of hardness of both cutting edge and workpiece, to reach the purpose of turning shaping.Therefore during processing, cutter is difficult
Exempt from that the phenomenon of vibrations can be produced, especially when blade is not sharp enough.And another cutter easily produces the situation of vibrations, it is
Using Hole boring knife when doing turnery processing in hole, especially deep hole machining.The reason is that during general external diameter cutting, it is almost whole
Branch handle of a knife fixed bit all folded by the tool rest of lathe, therefore the drag arm that cutter is born, are less also easy to produce seismism.And utilize
When Hole boring knife is processed, the length that cutter extends tool rest must be more than the depth in processing hole, therefore Kong Yueshen cutters are born
Drag arm it is bigger, produced seismism is also more serious, be easy for certainly influence machined surface flatness with processing
Precision.
For problem point, disclose a kind of in being provided with damper in tool bar body in the prior art although having at present,
The damper periphery group is cased with only shaking packing ring, and respectively only shake packing ring is resisted against the cutter shock-damping structure form of the body of rod madial wall；
Right such a technology is using upper, and when its cutter body of rod produces vibrations because of cutting, its shaking force is to be transferred to the whole cutter body of rod
Lateral wall edge, only shake packing ring and the damper are then internally passed to again, it is whole due to the cutter body of rod during this
Outside is shaken and already shaped, and is only dependent on described stop and shakes packing ring and the real slightly suspicion deficiency of damper progress damping, still old its is improved again
The space of breakthrough is present.
Utility model content
The main purpose of the utility model is to provide a kind of shock-damping structure of cutting tool.
To reach above-mentioned purpose, the utility model uses following technical scheme：
A kind of shock-damping structure of cutting tool, in cutting tool structure, the cutting tool includes a handle of a knife and group
Conjunction is positioned at one of handle of a knife end cutter head.
The utility model solves the technical characterstic of problem, and essentially consisting in the shock-damping structure includes：Cavity in one, located at the knife
It is in the interior spatial shape of an elongated extension inside handle；One center-pole, in an extension it is shaft-like and including a head end and a tail end, its
In the head end be linked to cutter head, tail end, which then stretched through, middle cavity and is linked to handle of a knife；An at least snubber block, is located in middle cavity
Interior, the snubber block is cylindrical in shape form and wears hole including one, and this wears borehole jack and is placed in center-pole periphery, snubber block periphery with it is hollow
There is a ring-like spacer portion between cavity wall；And wherein, wearing for the center-pole periphery and snubber block is provided with a ring-type between hole
Gap；Again wherein, the center-pole periphery is also arranged with least two radial direction damping rubber rings, the radial direction damping rubber ring periphery elasticity
Be resisted against snubber block wears hole hole wall.
Combined, made for the utility model control prior art, the cutter head is produced in working angles by aforementioned structure
Raw vibrations are first reached after center-pole first of shock-absorbing damping effect of generation, then through the radial direction damping rubber ring and snubber block
Absorbed with suppressing, and then obtain excellent damping benefit, entered to improve cutting tool processing stability, and then reach raising work
The practical improvement of part machining accuracy and work piece surface smoothness.
Brief description of the drawings
Fig. 1 is the combination stereo appearance figure of the utility model preferred embodiment.
Fig. 2 is the exploded perspective view of the utility model preferred embodiment.
Fig. 3 is the assembled sectional view of the utility model preferred embodiment.
Fig. 4 is is filled with the implementation illustration of fluid in the annular gap of the utility model.
Fig. 5 has been internally formed the implementation illustration of cutting fluid channel for the center-pole of the utility model.
Embodiment
As shown in Figure 1, 2, 3, the shock-damping structure of the utility model cutting tool is located in the structure of a cutting tool 10, and this is cut
Cutting knife tool 10 includes a handle of a knife 11 and integrated positioning in one of the end of handle of a knife 11 cutter head 12；The shock-damping structure includes：In one
Cavity 20, is in the interior spatial shape of an elongated extension located at the inside of handle of a knife 11；One center-pole 30, in one extension it is shaft-like and including
One head end 31 and a tail end 32, the wherein head end 31 are linked to cutter head 12, and tail end 32, which then stretched through, middle cavity 20 and is linked to knife
(the note of handle 11：This example is linked at the middle inner end wall position of cavity 20)；(this example is that single snubber block 40 is real to an at least snubber block 40
Apply form), it is located in middle cavity 20, the snubber block 40 is cylindrical in shape form and wears hole 41 including one, and this wears hole 41 and is nested with
In the periphery of center-pole 30, then there is a ring-like spacer portion 42 between the periphery of snubber block 40 and the inwall of middle cavity 20；And wherein, in this
Wearing for the periphery of core bar 30 and snubber block 40 is provided with an annular gap 50 between hole 41；Again wherein, the periphery of center-pole 30 also covers
Provided with least two radial direction damping rubber rings 60, the periphery resilient abutment of radial direction damping rubber ring 60 wears hole 41 in snubber block 40
Hole wall.
Form and technical characteristic are constituted by said structure, during vibrations of the cutter head 12 produced by working angles are reached
Core bar 30 is produced after first of shock-absorbing, damping effect, then is absorbed through the radial direction damping rubber ring 60 with snubber block 40
With suppression, and then excellent damping benefit is obtained；And it is worth mentioning that：Because of the shake produced by the cutter head 12 in the utility model
Power is to be directly passed to the less center-pole 30 of sectional area, the center-pole 30 because stiffness in contrast to for the structure of handle of a knife 11 compared with
It is weak, but shock-absorbing effect is relatively preferably (because malleable is preferable), and therefore, the utility model makes the shaking force of cutter head 12 main in this
Core bar 30 first absorbs damping, then absorbs the damping shape that the center-pole 30 shakes by radial direction damping rubber ring 60 and snubber block 40 again
State is designed, and can allow damping, shock-absorbing effect significantly with being substantially improved.
As shown in Figure 2,3, 4, wherein the periphery of center-pole 30 can be formed with least two annular grooves 33, each confession pair of annular groove 33
Radial direction damping rubber ring 60 described in one should be arranged, thereby to avoid radial direction damping rubber ring 60 from producing unbalance stress phenomenon because of displacement.
As shown in figure 4, wherein periphery of center-pole 30 and snubber block 40 is worn between hole 41 in set annular gap 50
A fluid 70 can be also filled with.
As shown in figure 3, can wherein be organized between the snubber block 40 and cutter head 12 provided with a front end shock-absorbing rubber cushion 81, the snubber block
It can then be organized between 40 and handle of a knife 11 provided with a rear end shock-absorbing rubber cushion 82.
As shown in figure 3, wherein the center-pole 30 can be set as solid hopkinson bar cylindricality state.Or as shown in figure 5, center-pole 30B
Also hollow tubular form can be set as and portion is formed with a cutting fluid channel 34 in the inner.
Effect explanation：
The shock-damping structure of the utility model cutting tool mainly passes through the middle cavity, center-pole, snubber block and center
Wearing for bar periphery and snubber block is provided with annular gap between hole, and center-pole periphery is arranged with least two radial direction damping rubber rings,
The radial direction damping rubber ring periphery resilient abutment wears the innovation unique texture form such as hole hole wall and technical characteristic in snubber block,
The utility model is set to compare for [background technology] put forward structure, during cutter head vibrations produced in working angles are first reached
Core bar is produced after first of shock-absorbing damping effect, then is absorbed through the radial direction damping rubber ring and snubber block with suppressing,
Enter to improve cutting tool processing stability, and then reach that raising Workpiece Machining Accuracy and the practicality of work piece surface smoothness are entered
Step property.
What must further be emphasized is：For putting forward structure compared to [background technology], because produced by this case cutter head
Shaking force is to be directly passed to the less center-pole of sectional area, the center-pole because stiffness is in contrast to weaker for Knife handle structure,
But shock-absorbing effect is relatively preferably (because malleable is preferable), therefore, and the utility model makes knife vibration power main by the center-pole
First absorb, the damping form Design that the center-pole shakes then is absorbed by radial direction damping rubber ring and snubber block again, is possible to allow
Damping, shock-absorbing effect are significantly with being substantially improved.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model is disclosed
Or replace, it should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with the power
The protection domain that profit is required is defined.
Claims (6)
1. a kind of shock-damping structure of cutting tool, the shock-damping structure is located in a cutting tool structure, the cutting tool includes
One handle of a knife and integrated positioning are in one of handle of a knife end cutter head；The shock-damping structure, it is characterised in that including：
Cavity in one, in the interior spatial shape of an elongated extension inside the handle of a knife；
One center-pole, in one extension it is shaft-like and including a head end and a tail end, the wherein head end is linked to cutter head, and tail end then stretches through
Cross middle cavity and be linked to handle of a knife；
An at least snubber block, is located in hollow intracavitary, and the snubber block is cylindrical in shape form and wears hole including one, and this wears borehole jack and put
There is a ring-like spacer portion in center-pole periphery, and between the snubber block periphery and middle cavity inner wall；
And wherein, wearing for the center-pole periphery and snubber block is provided with an annular gap between hole；
Again wherein, the center-pole periphery is arranged with least two radial direction damping rubber rings, and radial direction damping rubber ring periphery elasticity is supported
Be against snubber block wears hole hole wall.
2. the shock-damping structure of cutting tool according to claim 1, it is characterised in that the center-pole periphery is formed with least
Two annular grooves, each annular groove is arranged radial direction damping rubber ring described in one for correspondence.
3. the shock-damping structure of cutting tool according to claim 2, it is characterised in that the center-pole periphery and snubber block
Wear and be also filled with a fluid in set annular gap between hole.
4. the shock-damping structure of cutting tool according to claim 3, it is characterised in that group is set between the snubber block and cutter head
There is a front end shock-absorbing rubber cushion, then group is provided with a rear end shock-absorbing rubber cushion between the snubber block and handle of a knife.
5. the shock-damping structure of cutting tool according to claim 4, it is characterised in that the center-pole is set as solid hopkinson bar cylindricality
State.
6. the shock-damping structure of cutting tool according to claim 4, it is characterised in that the center-pole is set as hollow tubular shape
State and portion is formed with a cutting fluid channel in the inner.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104216681 | 2015-10-19 | ||
| TW104216681U TWM518124U (en) | 2015-10-19 | 2015-10-19 | Improved shock absorbing structure for cutting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206509541U true CN206509541U (en) | 2017-09-22 |
Family
ID=56085662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621062418.6U Active CN206509541U (en) | 2015-10-19 | 2016-09-19 | Vibration absorbing structure for cutting tool |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3208187U (en) |
| CN (1) | CN206509541U (en) |
| TW (1) | TWM518124U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213475A (en) * | 2018-03-09 | 2018-06-29 | 四川天博精工科技有限公司 | A kind of shockproof knife bar |
| 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 |
| CN114226772A (en) * | 2021-12-24 | 2022-03-25 | 中信戴卡股份有限公司 | Cutter of hollow cutter bar structure of numerical control lathe |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2022234755A1 (en) * | 2021-05-07 | 2022-11-10 |
-
2015
- 2015-10-19 TW TW104216681U patent/TWM518124U/en unknown
-
2016
- 2016-09-19 CN CN201621062418.6U patent/CN206509541U/en active Active
- 2016-10-17 JP JP2016004991U patent/JP3208187U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213475A (en) * | 2018-03-09 | 2018-06-29 | 四川天博精工科技有限公司 | A kind of shockproof knife bar |
| 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 |
| CN114226772A (en) * | 2021-12-24 | 2022-03-25 | 中信戴卡股份有限公司 | Cutter of hollow cutter bar structure of numerical control lathe |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM518124U (en) | 2016-03-01 |
| JP3208187U (en) | 2016-12-28 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |