CN207343809U - Long tube kind part endoporus processing nut arbor structure - Google Patents
Long tube kind part endoporus processing nut arbor structure Download PDFInfo
- Publication number
- CN207343809U CN207343809U CN201721445371.6U CN201721445371U CN207343809U CN 207343809 U CN207343809 U CN 207343809U CN 201721445371 U CN201721445371 U CN 201721445371U CN 207343809 U CN207343809 U CN 207343809U
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- knife bar
- knife
- long tube
- ptfe
- tube kind
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- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 22
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 238000003754 machining Methods 0.000 abstract description 5
- 238000005520 cutting process Methods 0.000 abstract description 4
- 238000007665 sagging Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract description 3
- 206010044565 Tremor Diseases 0.000 abstract description 2
- 238000007514 turning Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Abstract
A kind of long tube kind part endoporus processing nut arbor structure is the utility model is related to, belongs to field of machining.The utility model is in actual use, it is not necessary to which overstriking knife bar diameter, in process, avoids knife bar and tremble, and part processing will not produce ripple, taper etc., it is ensured that machining accuracy.Knife bar front band positioner, front portion are positioned with PTFE, solve the problems, such as that knife bar is sagging, while front and rear point all stress of knife bar, not by one direction stress, are solved the influence of the own wt of knife bar, are applicable to roughing and finishing passes.At the same time using rough boring cutter process principle, before place two blades, a blade is higher 1mm than another blade, and the shearing stress that each blade is subject to, cancels out each other, considerably increase cutting output, effectively improve production efficiency.The utility model is particularly suitable for the processing of big L/D ratio deep hole.
Description
Technical field
A kind of long tube kind part endoporus processing nut arbor structure is the utility model is related to, belongs to field of machining, is suitable for
The interior hole machined of long tube kind part, the processing of big L/D ratio deep hole.
Background technology
At present, long barrel part is when endoporus is processed on lathe, according to the processing method of conventional knife bar, due to knife bar by
Endoporus limits, and cutter needs are longer, and knife bar is general thin and grows, low, the intensity difference of rigidity.Knife bar own wt is big, completely by knife
Itself rigidity of bar depends on diameter to resist processing cutting force and tool weight, the rigidity of knife bar on the premise of length determines
And material.Vibration can be produced in turning and allows knife phenomenon, straightness is sagging.In order to avoid knife bar is trembled during processing, make part
Finished surface is also easy to produce ripple, taper etc., the problem of seriously affecting the processing quality of part, and conventional method only has continuous thickening
Knife bar, increases the rigidity of knife bar.Nonetheless, part radial direction bite is still smaller, generally all within 10mm.
Utility model content
Technical problem to be solved in the utility model is：A kind of long tube kind part endoporus processing nut arbor structure is provided, is solved
The problem of certainly knife bar is sagging and the own wt of knife bar influences processing quality.
Technical solution is used by the utility model solves its technical problem：Long tube kind part endoporus processing nut arbor knot
Structure, including knife bar, knife bar front end are the cylindrical structure being coaxially disposed, and cylindrical structure front end is thread segment, and cylindrical section passes through
Changeover portion is connected with knife bar, and positioning step A is formed between cylindrical section and changeover portion, positioning step is formed between changeover portion and knife bar
B；Changeover portion surrounding installs multiple locating piece bearings by dormant bolt, and locating piece bearing is axially determined in knife bar with positioning step B
Position, is installed with PTFE locating pieces on locating piece bearing, and for PTFE locating pieces after installation is complete, outer end face is same with knife bar at one
On the cylindrical surface that axis is set；Handle of a knife mounting base is installed on the cylindrical section of knife bar front end, axial with positioning step A positioning in knife bar；
Handle of a knife mounting base is coordinated by nut and the thread segment of knife bar front end fixes, and handle of a knife mounting base is equipped with the installation for being used for installing handle of a knife
Bolt.
It is further：The section of changeover portion is polygonized structure.
It is further：Changeover portion is rectangular parallelepiped structure, and rectangular parallelepiped structure has the central axis identical with knife bar, rectangular
Body structure sets locating piece bearing respectively in four faces of knife bar peripheral direction.
It is further：Locating piece bearing is U-shaped structure, and a side of U-shaped structure is connected with stop screw, U-shaped structure
Another side cushion block, PTFE locating pieces are set gradually in U-shaped structure, stop screw is connected to PTFE locating pieces side, makes
Obtain the groove body center that PTFE locating pieces are fixed at U-shaped structure.
It is further：Stop screw be arranged side by side it is multiple.
It is further：Nut is hexagonal big nut, for fixing handle of a knife mounting base.
It is further：Handle of a knife mounting base sets two blade installation structures, and makes to have before and after the installation of two blades
Difference.
The beneficial effects of the utility model are：In actual use, it is not necessary to which overstriking knife bar diameter, in process, keeps away
Exempt from knife bar to tremble, part processing will not produce ripple, taper etc., it is ensured that machining accuracy.Knife bar front band positioner, it is preceding
Portion is positioned with PTFE, solves the problems, such as that knife bar is sagging, while front and rear point all stress of knife bar, not by one direction stress, is solved
The influence of the own wt of knife bar, is applicable to roughing and finishing passes.The process principle of rough boring cutter is used at the same time, before
Two blades are placed, a blade is higher 1mm than another blade, and the shearing stress that each blade is subject to, cancels out each other, increase
Cutting output is added.The allowance of rough turn endoporus has risen to 60mm-80mm, and hilted broadsword turning reaches 30mm-40mm, effectively carries
High efficiency.The utility model is particularly suitable for the processing of big L/D ratio deep hole.
Brief description of the drawings
Fig. 1 is the front view of the utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the unassembled preceding overall schematic of the utility model knife bar.
Fig. 4 is the overall schematic after the assembling of the utility model knife bar.
Fig. 5 is the dimensional structure diagram after the assembling of the utility model knife bar.
In figure mark for：1- knife bars, 2- dormant bolts, 3- locating piece bearings, 4- cushion blocks, 5-PTFE locating pieces, 6- are spacing
Screw, 7- handle of a knife mounting bases, 8- nuts, 9- installation bolts.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
As shown in Figures 1 to 5, the utility model includes knife bar 1, and 1 front end of knife bar is the cylindrical structure being coaxially disposed, circle
Rod structure front end is thread segment, and cylindrical section is connected by changeover portion with knife bar 1, and positioning table is formed between cylindrical section and changeover portion
Rank A, forms positioning step B between changeover portion and knife bar 1；Changeover portion surrounding installs multiple locating piece bearings by dormant bolt 2
3, locating piece bearing 3 is axially positioned in knife bar 1 with positioning step B, and PTFE locating pieces 5 are installed with locating piece bearing 3,
PTFE locating pieces 5 are after installation is complete, and outer end face is on a cylindrical surface being coaxially disposed with knife bar 1；Handle of a knife mounting base 7 is installed on
The cylindrical section of 1 front end of knife bar, it is axial with positioning step A positioning in knife bar 1；Handle of a knife mounting base 7 passes through nut 8 and 1 front end of knife bar
Thread segment coordinate and fix, handle of a knife mounting base 7, which is equipped with, to be used to install the installation bolt 9 of handle of a knife.Nut 8 is hexagonal big nut, is used
In fixed handle of a knife mounting base 7.
Positioned for convenience of by PTFE locating pieces 5 in 1 radially installed of knife bar, the section of changeover portion is polygonized structure, this reality
Following mounting means is preferably used with new：Changeover portion is rectangular parallelepiped structure, and rectangular parallelepiped structure has the center identical with knife bar 1
Axis, rectangular parallelepiped structure set locating piece bearing 3 respectively in four faces of 1 peripheral direction of knife bar.Locating piece bearing 3 is U-shaped knot
Structure, a side of U-shaped structure are connected with stop screw 6, another side of U-shaped structure set gradually in U-shaped structure cushion block 4,
PTFE locating pieces 5, stop screw 6 are connected to 5 side of PTFE locating pieces so that PTFE locating pieces 5 are fixed at the groove of U-shaped structure
Body center.To cause sound construction, stop screw 6 is multiple to be arranged side by side, and stop screw 6 is arranged to four in the present embodiment
It is a.
During implementation, the certain depth of the endoporus of advance vehicle commander's barrel part, measures diameter of bore, according to hole size, processing
The locating piece PTFE of cutter is cylindrical to arrive desired size, and above structure forms knife bar front band positioner.
Handle of a knife mounting base 7 sets two blade installation structures, and makes the installation of two blades is front and rear to have difference.Implement
When, lathe tool is adjusted, makes the front and rear difference 1mm of installation of two blades of handle of a knife mounting base 7, two blades are subject in process
Shearing stress, cancels out each other.Two blades divide equally allowance.
PTFE locating pieces 5 are cylindrical to form clearance fit with the endoporus of long barrel part, injects appropriate machine toward PTFE locating pieces 5
Oil, plays lubricating action, and whole knife bar assembly is imported to the endoporus of advance institute's vehicle commander's barrel part, lasting forward always to complete to add
Work.
The utility model efficiently solves the flutter phenomenon occurred in metal long cutting tool bar process, avoids using overstriking knife bar
Structure, in combination with the process principle of rough boring cutter, before place two blades, increase allowance, improve production efficiency.Tool
There is the characteristics of design is reasonable, simple and reliable for structure, manufacture cost is relatively low, easy to operate, the knife bar front band of the utility model is determined
Position apparatus structure also has very wide market promotion prospect in the Precision Machining field of space flight and aviation, military products.
Claims (7)
1. long tube kind part endoporus processing nut arbor structure, including knife bar (1), it is characterised in that：Knife bar (1) front end is coaxially to set
The cylindrical structure put, cylindrical structure front end are thread segment, and cylindrical section is connected by changeover portion with knife bar (1), cylindrical section and mistake
Cross and positioning step A is formed between section, formation positioning step B between changeover portion and knife bar (1)；Changeover portion surrounding passes through dormant bolt
(2) multiple locating piece bearings (3) are installed, locating piece bearing (3) is axial with positioning step B positioning, locating piece bearing in knife bar (1)
(3) PTFE locating pieces (5) are installed with, for PTFE locating pieces (5) after installation is complete, outer end face is same with knife bar (1) at one
On the cylindrical surface that axis is set；Handle of a knife mounting base (7) is installed on the cylindrical section of knife bar (1) front end, axial with positioning table in knife bar (1)
Rank A is positioned；Handle of a knife mounting base (7) is coordinated by nut (8) and the thread segment of knife bar (1) front end fixes, and handle of a knife mounting base (7) is set
It is useful for the installation bolt (9) of installation handle of a knife.
2. long tube kind part endoporus processing nut arbor structure as claimed in claim 1, it is characterised in that：The section of changeover portion is more
Side shape structure.
3. long tube kind part endoporus processing nut arbor structure as claimed in claim 2, it is characterised in that：Changeover portion is cuboid knot
Structure, rectangular parallelepiped structure have the central axis identical with knife bar (1), and rectangular parallelepiped structure is in four faces of knife bar (1) peripheral direction
Locating piece bearing (3) is set respectively.
4. long tube kind part endoporus processing nut arbor structure as claimed in claim 3, it is characterised in that：Locating piece bearing (3) is U
Type structure, a side of U-shaped structure are connected with stop screw (6), and another side of U-shaped structure is set gradually in U-shaped structure
Cushion block (4), PTFE locating pieces (5), stop screw (6) are connected to PTFE locating pieces (5) side so that PTFE locating pieces (5) are solid
Surely it is arranged on the groove body center of U-shaped structure.
5. long tube kind part endoporus processing nut arbor structure as claimed in claim 4, it is characterised in that：Stop screw (6) is simultaneously
Row is set multiple.
6. long tube kind part endoporus processing nut arbor structure as claimed in claim 5, it is characterised in that：Nut (8) is big for hexagonal
Nut, for fixing handle of a knife mounting base (7).
7. the long tube kind part endoporus processing nut arbor structure as described in any one in claim 1 to 6, it is characterised in that：Knife
Handle mounting base (7) sets two blade installation structures, and makes the installation of two blades is front and rear to have difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721445371.6U CN207343809U (en) | 2017-11-02 | 2017-11-02 | Long tube kind part endoporus processing nut arbor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721445371.6U CN207343809U (en) | 2017-11-02 | 2017-11-02 | Long tube kind part endoporus processing nut arbor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207343809U true CN207343809U (en) | 2018-05-11 |
Family
ID=62353316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721445371.6U Active CN207343809U (en) | 2017-11-02 | 2017-11-02 | Long tube kind part endoporus processing nut arbor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207343809U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107626937A (en) * | 2017-11-02 | 2018-01-26 | 四川优机实业股份有限公司 | Long tube kind part endoporus processing nut arbor structure |
| CN114654264A (en) * | 2022-04-19 | 2022-06-24 | 中国航发动力股份有限公司 | Supporting and positioning device for large-overhang cutter bar and machining method using same |
-
2017
- 2017-11-02 CN CN201721445371.6U patent/CN207343809U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107626937A (en) * | 2017-11-02 | 2018-01-26 | 四川优机实业股份有限公司 | Long tube kind part endoporus processing nut arbor structure |
| CN114654264A (en) * | 2022-04-19 | 2022-06-24 | 中国航发动力股份有限公司 | Supporting and positioning device for large-overhang cutter bar and machining method using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Tool bar structure for inner hole machining of long cylinder parts Effective date of registration: 20200826 Granted publication date: 20180511 Pledgee: China Minsheng Banking Corp Chengdu branch Pledgor: Y & J INDUSTRIES Co.,Ltd. Registration number: Y2020980005390 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20240104 Granted publication date: 20180511 Pledgee: China Minsheng Banking Corp Chengdu branch Pledgor: Y & J INDUSTRIES Co.,Ltd. Registration number: Y2020980005390 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |