CN206779917U - A kind of static pressure type cutting tool fixing device - Google Patents
A kind of static pressure type cutting tool fixing device Download PDFInfo
- Publication number
- CN206779917U CN206779917U CN201720495730.2U CN201720495730U CN206779917U CN 206779917 U CN206779917 U CN 206779917U CN 201720495730 U CN201720495730 U CN 201720495730U CN 206779917 U CN206779917 U CN 206779917U
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- CN
- China
- Prior art keywords
- hole
- housing
- annular groove
- puller bolt
- out against
- 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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Abstract
It the utility model is related to cutting-tool engineering field,Especially a kind of static pressure type cutting tool fixing device,Including housing and puller bolt,The inside of housing is provided with annular groove and oil pocket,Annular groove is arranged at the axis of housing,Oil pocket includes main oil gallery,Divide oil duct and ring shaped oil passage,Institute's ring state main oil gallery left side be provided with hold out against shoulder hole,Hold out against shoulder hole and be followed successively by the first screwed hole from inside to outside,Anti-rotation square hole and the second screwed hole,Puller bolt insertion is held out against in shoulder hole to be held out against to piston,Puller bolt is fixedly connected with the casing by the first screwed hole,Column is provided with the Double End axis of puller bolt,The section of column is square,The height of column is equal with the height of anti-rotation square hole,The anti-rotation square to match with anti-rotation square hole is socketed with the outside of column,Lock nut has been threadably secured in second screwed hole,The bottom of lock nut props up anti-rotation square.It is of the present utility model effectively to prevent puller bolt from rotating, improve safety in utilization.
Description
Technical field
It the utility model is related to cutting tool technical field, more particularly to a kind of static pressure type cutting tool fixing device.
Background technology
Existing static pressure type expansion type cutter fixed chuck is that it is wrapped by clamping of the pressure realization of hydraulic oil to cutter
Gripper body is included, is provided with the annular groove of connection cutter in the inside of Gripper body, the side wall of annular groove is expansion wall, in expansion wall and shell
It is oil pocket between body, pressurization hole is provided with the surface of Gripper body, pressurization bolt and piston is sequentially provided with hole of pressurizeing, by twisting
Tight pressurization bolt holds out against piston, and to being heated in oil pocket, so that expansion wall expands into annular groove, cutter is clamped, this
Structure is disadvantageous in that：Only piston is held out against by puller bolt, puller bolt is tightened in long-time, unclamped
Afterwards, puller bolt when holding out against piston, can by pressure promote slowly rotate, reduce the pressure in oil pocket, expansion wall is to knife
The clamping force of tool diminishes, and so as to cause the loosening of cutter, certain potential safety hazard be present.
Utility model content
The purpose of this utility model is and a kind of static pressure type cutting proposed in order to solve shortcoming present in prior art
Cutter holder.
To achieve these goals, the utility model employs following technical scheme：
A kind of static pressure type cutting tool fixing device is designed, including housing and puller bolt, the inside of the housing are provided with
Annular groove and oil pocket, the annular groove are arranged at the axis of housing, and the oil pocket includes main oil gallery, divides oil duct and ring shaped oil passage, main
Oil duct is arranged on the top of enclosure interior annular groove, and the left side that institute's ring states main oil gallery is provided with and holds out against shoulder hole, described to hold out against shoulder hole
The first screwed hole, anti-rotation square hole and the second screwed hole are followed successively by from inside to outside, and the puller bolt insertion is held out against in shoulder hole
Piston is held out against, puller bolt is fixedly connected with the casing by the first screwed hole, is set at the Double End axis of the puller bolt
There is column, the section of the column is square, and the height of column is equal with the height of anti-rotation square hole, in the outer cover of column
The anti-rotation square to match with anti-rotation square hole is connected to, lock nut has been threadably secured in second screwed hole, is locked
The bottom of tight nut props up anti-rotation square.
Preferably, the ring shaped oil passage shares two, and ring shaped oil passage is separately positioned on the upper and lower ends of annular groove, the annular
Wall between oil duct and annular groove is expansion wall, between the right side expansion wall for dividing oil duct to be arranged on annular groove and the outer wall of housing,
The main oil gallery, oil duct is divided to be connected with ring shaped oil passage, the inside of the main oil gallery is provided with piston.
Preferably, the both ends of the expansion wall are fixedly connected with the inside of housing, the centre position of expansion wall not with housing
It is fixed.
Preferably, the inwall of the annular groove is provided with anti-skid design.
The utility model proposes a kind of static pressure type cutting tool fixing device, beneficial effect is：The utility model profit
Fixation is clamped to cutter with oil pressure, the contact surface of expansion wall and cutter is big, and the clamping force for being subject to cutter is more uniform, and
And puller bolt can not rotate in the presence of anti-rotation square, it ensure that the oil pressure in oil pocket is constant.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of static pressure type cutting tool fixing device structural representation；
Fig. 2 be the utility model proposes a kind of static pressure type cutting tool fixing device puller bolt structural representation；
Fig. 3 be the utility model proposes a kind of static pressure type cutting tool fixing device anti-rotation box structure signal
Figure；
Fig. 4 be the utility model proposes a kind of static pressure type cutting tool fixing device hold out against shoulder hole structure signal
Figure；
In figure：1- housings, 2- puller bolts, 3- annular grooves, 4- main oil gallerys, 5- divide oil duct, 6- ring shaped oil passages, the screw threads of 7- first
Hole, 8- anti-rotation square holes, the screwed holes of 9- second, 10- pistons, 11- columns, 12- anti-rotation squares, 13- hold out against nut, and 14- is swollen
Swollen wall.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.
Reference picture 1-4, a kind of static pressure type cutting tool fixing device, including housing 1 and puller bolt 2, the housing 1
Inside is provided with annular groove 3 and oil pocket, and the annular groove 3 is arranged at the axis of housing 1, and the oil pocket includes main oil gallery 4, divides oil duct 5
With ring shaped oil passage 6, main oil gallery 4 is arranged on the top of the inside annular groove 3 of housing 1, and the left side that institute's ring states main oil gallery 4 is provided with and holds out against ladder
Hole, the shoulder hole that holds out against is followed successively by the first screwed hole 7, the screwed hole 9 of anti-rotation square hole 8 and second from inside to outside, described to hold out against
The insertion of bolt 2 is held out against in shoulder hole to be held out against to piston 10, and puller bolt 2 is fixedly connected by the first screwed hole 7 with housing 1, institute
State and column 11 is provided with the Double End axis of puller bolt 2, the section of the column 11 is square, and the height of column 11 is with preventing
It is equal to rotate the height of square hole 8, the anti-rotation square 12 to match with anti-rotation square hole 8, institute are socketed with the outside of column 11
State and lock nut 13 has been threadably secured in the second screwed hole 9, the bottom of lock nut 13 props up anti-rotation square 12.
The ring shaped oil passage 6 shares two, and ring shaped oil passage 6 is separately positioned on the upper and lower ends of annular groove 3, the ring shaped oil passage
Wall between 6 and annular groove 3 is expansion wall 14, the right side expansion wall 14 for dividing oil duct 5 to be arranged on annular groove 3 and the outer wall of housing 1
Between, the main oil gallery 4, divide oil duct 5 to be connected with ring shaped oil passage 6, the inside of the main oil gallery 4 is provided with piston 10, the expansion
The both ends of wall 14 are fixedly connected with the inside of housing 1, and the centre position of expansion wall 14 is not fixed with housing 1, the annular groove 3 it is interior
Wall is provided with anti-skid design.
Operation principle：After puller bolt 2 is tightened, the oil pressure rise in oil pocket, make to expand in 14 casees annular grooves of expansion wall 3,
So as to be clamped to cutter, the top of puller bolt 2 is provided with column 11, and the outside of column 11 is socketed with anti-rotation square 12, from
And limiting puller bolt 2 can not rotate, anti-rotation square 12 uses bloom, is suctioned out in dismounting using strong magnet, anti-rotation
The top use of square 12 holds out against nut 13 and held out against.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (4)
1. a kind of static pressure type cutting tool fixing device, including housing (1) and puller bolt (2), it is characterised in that：The housing
(1) inside is provided with annular groove (3) and oil pocket, and the annular groove (3) is arranged at the axis of housing (1), and the oil pocket includes main oil
Road (4), divide oil duct (5) and ring shaped oil passage (6), main oil gallery (4) is arranged on the top of the internal annular groove (3) of housing (1), and institute's ring states master
The left side of oil duct (4) is provided with and holds out against shoulder hole, and the shoulder hole that holds out against is followed successively by the first screwed hole (7), anti-rotation from inside to outside
Square hole (8) and the second screwed hole (9), puller bolt (2) insertion is held out against in shoulder hole to be held out against to piston (10), puller bolt
(2) it is fixedly connected by the first screwed hole (7) with housing (1), column is provided with the Double End axis of the puller bolt (2)
(11), the section of the column (11) is square, and the height of column (11) is equal with the height of anti-rotation square hole (8), vertical
The outside of post (11) is socketed with the anti-rotation square (12) to match with anti-rotation square hole (8), leads in second screwed hole (9)
Cross to be screwed and have lock nut (13), the bottom of lock nut (13) props up anti-rotation square (12).
A kind of 2. static pressure type cutting tool fixing device according to claim 1, it is characterised in that：The ring shaped oil passage
(6) share two, ring shaped oil passage (6) is separately positioned on the upper and lower ends of annular groove (3), the ring shaped oil passage (6) and annular groove (3) it
Between wall be expansion wall (14), the right side expansion wall (14) for dividing oil duct (5) to be arranged on annular groove (3) and the outer wall of housing (1)
Between, the main oil gallery (4), divide oil duct (5) to be connected with ring shaped oil passage (6), the inside of the main oil gallery (4) is provided with piston
(10)。
A kind of 3. static pressure type cutting tool fixing device according to claim 2, it is characterised in that：The expansion wall (14)
Both ends be fixedly connected with the inside of housing (1), the centre position of expansion wall (14) is not fixed with housing (1).
A kind of 4. static pressure type cutting tool fixing device according to claim 1, it is characterised in that：The annular groove (3)
Inwall is provided with anti-skid design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720495730.2U CN206779917U (en) | 2017-05-06 | 2017-05-06 | A kind of static pressure type cutting tool fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720495730.2U CN206779917U (en) | 2017-05-06 | 2017-05-06 | A kind of static pressure type cutting tool fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206779917U true CN206779917U (en) | 2017-12-22 |
Family
ID=60710532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720495730.2U Expired - Fee Related CN206779917U (en) | 2017-05-06 | 2017-05-06 | A kind of static pressure type cutting tool fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206779917U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914154A (en) * | 2021-11-10 | 2022-01-11 | 广东粤海珠三角供水有限公司 | Track quick installation mechanism adopting hydraulic method |
-
2017
- 2017-05-06 CN CN201720495730.2U patent/CN206779917U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914154A (en) * | 2021-11-10 | 2022-01-11 | 广东粤海珠三角供水有限公司 | Track quick installation mechanism adopting hydraulic method |
| CN113914154B (en) * | 2021-11-10 | 2023-07-21 | 广东粤海珠三角供水有限公司 | Quick track installation mechanism adopting hydraulic method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190325 Address after: 301600 North of Shunmintun Village, Xizhaizhuang Town, Jinghai County, Tianjin Patentee after: Tianjin Yuzefeng Steel Tube Co., Ltd. Address before: 311800 No. 460, Shaxi village, maple bridge, Tongshan, Zhuji, Shaoxing, Zhejiang Patentee before: Wang Jialu |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171222 Termination date: 20190506 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |