CN207222978U - A kind of shockproof knife bar of head replaceable - Google Patents
A kind of shockproof knife bar of head replaceable Download PDFInfo
- Publication number
- CN207222978U CN207222978U CN201720548366.1U CN201720548366U CN207222978U CN 207222978 U CN207222978 U CN 207222978U CN 201720548366 U CN201720548366 U CN 201720548366U CN 207222978 U CN207222978 U CN 207222978U
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- CN
- China
- Prior art keywords
- knife bar
- chamber
- column
- plug
- wall
- 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.)
- Expired - Fee Related
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- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The utility model discloses a kind of shockproof knife bar of head replaceable,Including knife bar,Connecting pole and cutter head,And cutter head and the integral completed state of connecting pole,The internal chamber wall of connecting pole is provided with the catching groove of annular,Knife bar is internally provided with springing chamber and damping chamber,Springing chamber and damping chamber also between be provided with pin plug,Knife bar bosom is horizontally arranged with knife bar interior axle,Knife bar interior axle is internally provided with axis and moves chamber,Axis moves intracavitary portion and is provided with lock mechanism,Lock mechanism includes interior brill chock plug,Axostylus axostyle and dovetail mount,Dovetail mount bottom is connected with spring,Knife bar interior axle left-hand end is provided with lock pin column,And lock pin column is longitudinally mounted to inside knife bar interior axle,And lock pin column bottom and interior brill chock plug fitting,Knife bar internal axle sleeve is equipped with neck bush,Neck bush is set with damping chamber column,Damping chamber column tail end is provided with O-shaped rubber ring,O-shaped rubber ring is close to pin plug,The top of neck bush and damping chamber column is provided with trapezoidal rubber ring,Pin plug collar wall is provided with static pressure expansion mechanism.
Description
Technical field
Lathe manufacturing technology field is the utility model is related to, is specially a kind of shockproof knife bar of head replaceable.
Background technology
Lathe tool, the essential tool as lathe process determine the quality and precision of work pieces process, in different processing rings
In border, the demand of knife bar is also differed, when carrying out some deep hole machinings, is limited be subject to certain workpiece, when what is be processed
When the axial dimension in work hole is larger, the draw ratio of turning knife bar can be caused to become larger, the rigidity of knife bar can diminish, and cause the mistake of cutting
Knife vibration of bar aggravates in journey, seriously affects processing quality, produces the phenomenon that knife bar can not work sometimes, how to reduce knife bar
Vibration in turning process is carried out, necessary factor needed to be considered when being processing, simultaneously because the particularity of processing part, needs
Will be with changing different cutter heads, but the cutter head of lathe tool at this stage is all fixed, can only carry out cutter by replacing entirety
Use, some knife bars with interchangeable bit can only also replace the cutter head of same model type, be adapted to without extensive
Property, lathe tool is frequently replaced, be easy to cause the corresponding abrasion of lathe tool and lathe tool seat screw thread, so as to improve the maintenance cost of lathe.
Utility model content
In order to overcome the shortcomings of prior art, the utility model provides a kind of shockproof knife bar of head replaceable, can
Realize and adaptability replacement is carried out to the cutter head of different knife bars, knife bar damping effect is effectively accomplished by built-in damping chamber, is carried
The high quality of workpiece,.
Technical solution is used by the utility model solves its technical problem：A kind of shockproof knife bar of head replaceable, bag
Knife bar, connecting pole and cutter head are included, and the cutter head and the integral completed state of connecting pole, the internal chamber wall of the connecting pole are provided with
The catching groove of annular, the knife bar are internally provided with springing chamber and damping chamber, the springing chamber and damping chamber also between be provided with pin
Plug, the knife bar bosom are horizontally arranged with knife bar interior axle, and the knife bar interior axle is internally provided with axis and moves chamber, and the axis moves chamber
Inside is provided with lock mechanism, and the lock mechanism includes interior brill chock plug, axostylus axostyle and dovetail mount, and the axostylus axostyle is horizontally through pin
Plug is connected with dovetail mount, and the dovetail mount is located in springing chamber, and the dovetail mount bottom is connected with spring, and the spring is another
One end is connected on springing intracavitary bottom wall, and the knife bar interior axle left-hand end is provided with lock pin column, and the lock pin column is longitudinally mounted
Inside knife bar interior axle, and lock pin column bottom and interior brill chock plug fitting；
The knife bar internal axle sleeve is equipped with neck bush, and the neck bush is set with damping chamber column, and the damping chamber column tail end is set
It is equipped with O-shaped rubber ring, the O-shaped rubber ring is close to pin plug, and the top of the neck bush and damping chamber column is provided with trapezoidal rubber
Circle, the pin plug collar wall are provided with static pressure expansion structure, and the static pressure expansion structure includes expansion piece, and the expansion piece set
In pin beyond the Great Wall on wall.Oil jacket chamber is provided with the inner wall of the knife bar of the expansion piece outer ring connection, and the oil jacket chamber passes through oil
Road is connected with secondary oil pocket, and the secondary oil pocket is connected with hydraulic transmission chamber, and the hydraulic transmission intracavitary is provided with interior hexagonal spiral shell
Bolt.
As a kind of preferable technical solution of the utility model, it is between the hexagon socket head cap screw and the contact of hydraulic transmission chamber
Sealing state.
As a kind of preferable technical solution of the utility model, the pin plug is made of two attached columns, and is set between attached column
It is equipped with bonding crack.
As a kind of preferable technical solution of the utility model, the oil jacket chamber of the static pressure expansion structure is provided with some
It is a, and the oil jacket chamber is interconnected.
As a kind of preferable technical solution of the utility model, the dovetail mount bottom is provided with inner cavity, and the spring
Half is located in the lumen, and the smooth fitting springing cavity wall of the dovetail mount outer wall.
As a kind of preferable technical solution of the utility model, the interior chock plug that bores is into diamond-shaped.
Compared with prior art, the beneficial effects of the utility model are：The utility model is driven by static pressure expansion structure
The de- dress completed to cutter head that moves forward and backward of lock mechanism, when carrying out the replacement installation of cutter head, passes through hexagonal spiral shell in rotation
Bolt presses the Seal Oil liquid in hydraulic transmission chamber, is passed to by secondary oil pressure chamber in oil jacket chamber so that dilatancy, pin plug
Two panels attached column polymerization, force and barocline face contact dovetail mount transverse movement, compress spring, pass through the interior brill chock plug of axostylus axostyle
Transverse shifting, so as to extrude lock pin column so that lock pin column enters in the catching groove in the inner cavity of connecting pole, realizes the installation to cutter head
Fixed and locking, while by button pine soket head cap screw, so as to discharge cutter head；By set trapezoidal rubber ring in damping chamber and
O-shaped rubber ring, realizes the adjustable range for adapting to knife bar damping behavior conversion, by setting the larger damping chamber column of quality to ensure
Rigidity requirement of the knife bar in turning, is transferred to trapezoidal rubber ring by the vibrations of cutter head transmission in turning, passes through damping
The radiai adjustment of chamber column so that vibrations are transferred to knife bar with less vibrations, keep tight by neck bush damping intracavitary portion
Pressure condition, so as to ensure overall Cutting Stiffness, passes through damping precautions against earthquakes and easily bit replacing design so that knife bar has
There is the adaptability of extensive workpiece cutting, while ensure that its service life.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model pin plug structure schematic diagram.
In figure：1- knife bars；2- connecting poles；3- cutter heads；4- pin plugs；5-O type rubber rings；6- damping chamber columns；7- damping chambers；8-
Trapezoidal rubber ring；9- neck bush；Chock plug is bored in 10-；11- lock pin columns；12- axostylus axostyles；13- knife bar interior axles；14- expansion pieces；15- oil
Mantle cavity；；16- oil ducts；17- level oil pocket；18- hexagon socket head cap screws；19- dovetail mounts；20- springs；21- springing chambers；22- baroclines
Face；23- static pressure expansion structures；24- axis moves chamber；25- bonding cracks；26- attached columns；27- catching grooves；28- lock mechanisms；29- oil pressure passes
Dynamic chamber.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
Embodiment：
As depicted in figs. 1 and 2, a kind of technical solution of the utility model offer, a kind of shockproof knife bar of head replaceable,
Including knife bar 1, connecting pole 2 and cutter head 3, and 2 integral completed state of the cutter head 3 and connecting pole, the inner cavity of the connecting pole 2
Wall is provided with the catching groove 27 of annular, and the knife bar 1 is internally provided with springing chamber 21 and damping chamber 7, the springing chamber 21 and damping
Chamber 7 also between be provided with pin plug 4,1 bosom of knife bar is horizontally arranged with knife bar interior axle 13, inside the knife bar interior axle 13
Be provided with axis and move chamber 24, the axis moves and lock mechanism 28 is provided with inside chamber 24, the lock mechanism 28 include it is interior brill chock plug 10,
Axostylus axostyle 12 and dovetail mount 19, and the axostylus axostyle 12 is horizontally through pin plug 4 and is connected with dovetail mount 19, the dovetail mount 19 is located at springing
In chamber 21,19 bottom of dovetail mount is connected with spring 20, and the other end of the spring 20 is connected to 21 inner bottom wall of springing chamber
On, 13 left-hand end of knife bar interior axle is provided with lock pin column 11, and the lock pin column 11 is longitudinally mounted to inside knife bar interior axle 13,
And 11 bottom of lock pin column and interior brill chock plug 10 are bonded；
The knife bar interior axle 13 is set with neck bush 9, and the neck bush 9 is set with damping chamber column 6, the damping chamber column 6
Tail end is provided with O-shaped rubber ring 5, and the O-shaped rubber ring 5 is close to pin plug 4, and the top of neck bush 9 and damping the chamber column 6 is set
There is trapezoidal rubber ring 8,4 collar wall of pin plug is provided with static pressure expansion structure 23, and the static pressure expansion structure 23 includes expansion
Piece 14, and the expansion piece 14 is sleeved on 4 outer wall of pin plug.It is provided with the inner wall of the knife bar 1 of 14 outer ring of the expansion piece connection
Oil jacket chamber 15, and the oil jacket chamber 15 is connected with that secondary oil is strong by 17, and the secondary oil strong 17 is connected with oil pressure biography by oil duct 16
Chamber 29 is moved, hexagon socket head cap screw 18 is installed in the hydraulic transmission chamber 29.
It is sealing state between hexagon socket head cap screw 18 and hydraulic transmission chamber 29 contact, ensures the transmission of pressure；It is described
Pin plug 4 is made of two attached columns 26, and bonding crack 25 is provided between attached column 26, by specifically selling plug structure, is completed to swallow
The axial force distribution of tailstock, and capable dividing is partial to axially to larger；The oil jacket chamber 15 of the static pressure expansion structure 23 is set
There are several, and the oil jacket chamber 15 is interconnected；19 bottom of dovetail mount is provided with inner cavity, and 20 1 subluxation of the spring
In in the lumen, and smooth 21 inner wall of fitting springing chamber of 19 outer wall of the dovetail mount；The interior chock plug 10 that bores is into diamond-shaped.
The utility model is mainly characterized by, and the utility model drives the advance of lock mechanism by static pressure expansion structure
The de- dress to cutter head is completed with retrogressing, when carrying out the replacement installation of cutter head, by rotating hexagon socket head cap screw to hydraulic transmission chamber
In Seal Oil liquid pressure, passed to by secondary oil pressure chamber in oil jacket chamber so that dilatancy, the two panels attached column for selling plug gather
Close, force and barocline face contact dovetail mount transverse movement, compress spring, by axostylus axostyle it is interior bore chock plug transverse shifting, from
And extruding lock pin column so that lock pin column enters in the catching groove in the inner cavity of connecting pole, realizes installation fixation and the locking to cutter head,
At the same time by button pine soket head cap screw, so as to discharge cutter head；By setting trapezoidal rubber ring and O-shaped rubber ring in damping chamber,
Realize the adjustable range for adapting to knife bar damping behavior conversion, ensure that knife bar in car by the damping chamber column for setting quality larger
Rigidity requirement when cutting, trapezoidal rubber ring is transferred in turning by the vibrations of cutter head transmission, passes through the radial direction of damping chamber column
Adjusting so that vibrations are transferred to knife bar with less vibrations, and compaction is kept by neck bush damping intracavitary portion, so that
Ensure overall Cutting Stiffness, pass through damping precautions against earthquakes and easily bit replacing design so that knife bar has extensive work
The adaptability of part cutting, while ensure that its service life.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (6)
- A kind of 1. shockproof knife bar of head replaceable, it is characterised in that：Including knife bar（1）, connecting pole（2）And cutter head（3）, and it is described Cutter head（3）And connecting pole（2）Integral completed state, the connecting pole（2）Internal chamber wall be provided with annular catching groove（27）, institute State knife bar（1）It is internally provided with springing chamber（21）With damping chamber（7）, the springing chamber（21）With damping chamber（7）Set between also There is pin plug（4）, the knife bar（1）Bosom is horizontally arranged with knife bar interior axle（13）, the knife bar interior axle（13）Inside is set There is axis to move chamber（24）, the axis moves chamber（24）Inside is provided with lock mechanism（28）, the lock mechanism（28）Plug is bored including interior Head（10）, axostylus axostyle（12）And dovetail mount（19）, and the axostylus axostyle（12）It is horizontally through pin plug（4）It is connected with dovetail mount（19）, institute State dovetail mount（19）Positioned at springing chamber（21）In, the dovetail mount（19）Bottom is connected with spring（20）, and the spring（20） The other end be connected to springing chamber（21）In inner bottom wall, the knife bar interior axle（13）Left-hand end is provided with lock pin column（11）, and institute State lock pin column（11）It is longitudinally mounted to knife bar interior axle（13）Inside, and lock pin column（11）Bottom and interior brill chock plug（10）Fitting；The knife bar interior axle（13）It is set with neck bush（9）, the neck bush（9）It is set with damping chamber column（6）, the damping chamber Column（6）Tail end is provided with O-shaped rubber ring（5）, the O-shaped rubber ring（5）It is close to pin plug（4）, the neck bush（9）With damping chamber Column（6）Top be provided with trapezoidal rubber ring（8）, the pin plug（4）Collar wall is provided with static pressure expansion structure（23）, it is described quiet Compression swelling structure（23）Including expansion piece（14）, and the expansion piece（14）It is sleeved on pin plug（4）On outer wall；The expansion piece（14）The knife bar of outer ring connection（1）Inner wall in be provided with oil jacket chamber（15）, and the oil jacket chamber（15） Pass through oil duct（16）It is connected with secondary oil pocket（17）, the secondary oil pocket（17）It is connected with hydraulic transmission chamber（29）, the oil pressure Drive cavity（29）Hexagon socket head cap screw is inside installed（18）.
- A kind of 2. shockproof knife bar of head replaceable according to claim 1, it is characterised in that：The hexagon socket head cap screw（18） With hydraulic transmission chamber（29）It is sealing state between contact.
- A kind of 3. shockproof knife bar of head replaceable according to claim 1, it is characterised in that：The pin plug（4）By two Attached column（26）Composition, and attached column（26）Between be provided with bonding crack（25）.
- A kind of 4. shockproof knife bar of head replaceable according to claim 1, it is characterised in that：The static pressure expansion structure （23）Oil jacket chamber（15）Several are provided with, and the oil jacket chamber（15）It is interconnected.
- A kind of 5. shockproof knife bar of head replaceable according to claim 1, it is characterised in that：The dovetail mount（19）Bottom It is provided with inner cavity, and the spring（20）Half is located in the lumen, and the dovetail mount（19）The smooth fitting springing chamber of outer wall （21）Inner wall.
- A kind of 6. shockproof knife bar of head replaceable according to claim 1, it is characterised in that：The interior brill chock plug（10）Into Diamond-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720548366.1U CN207222978U (en) | 2017-05-17 | 2017-05-17 | A kind of shockproof knife bar of head replaceable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720548366.1U CN207222978U (en) | 2017-05-17 | 2017-05-17 | A kind of shockproof knife bar of head replaceable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207222978U true CN207222978U (en) | 2018-04-13 |
Family
ID=61838393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720548366.1U Expired - Fee Related CN207222978U (en) | 2017-05-17 | 2017-05-17 | A kind of shockproof knife bar of head replaceable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207222978U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| TWI718023B (en) * | 2020-03-06 | 2021-02-01 | 世邦興業股份有限公司 | Shock absorption damping structure of tool holder |
-
2017
- 2017-05-17 CN CN201720548366.1U patent/CN207222978U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| TWI718023B (en) * | 2020-03-06 | 2021-02-01 | 世邦興業股份有限公司 | Shock absorption damping structure of tool holder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180413 |