CN205393684U - Scrape cutter arbor with centring means - Google Patents
Scrape cutter arbor with centring means Download PDFInfo
- Publication number
- CN205393684U CN205393684U CN201620161850.4U CN201620161850U CN205393684U CN 205393684 U CN205393684 U CN 205393684U CN 201620161850 U CN201620161850 U CN 201620161850U CN 205393684 U CN205393684 U CN 205393684U
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- Prior art keywords
- cutter bar
- scraping cutter
- rotary part
- ladder
- scraping
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- 238000007790 scraping Methods 0.000 claims abstract description 107
- 238000007781 pre-processing Methods 0.000 claims abstract description 16
- 238000005096 rolling process Methods 0.000 claims description 17
- 230000013011 mating Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 18
- ZJEWVOJUXVSQAT-UHFFFAOYSA-N Arborone Natural products OCC1C(OCC1(O)C(=O)c2ccc3OCOc3c2)c4ccc5OCOc5c4 ZJEWVOJUXVSQAT-UHFFFAOYSA-N 0.000 abstract 1
- 238000002372 labelling Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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- Milling Processes (AREA)
Abstract
The utility model relates to a mechanical equipment processes the field, in particular to scrape cutter arbor with centring means, scraping cutter arbor one end and being connected with the jig, the other end is provided with the counter cutter of scraping the counter bore, it is provided with centring means on the cutter arbor to scrape, centring means includes along with scraping the spacing parts of cutter arbor pivoted rotary part with the removal of restriction rotary part, the preprocessing that spacing part set up on the work piece is downthehole, rotary part sets up in spacing parts, has reduced to scrape the amplitude of fluctuation that the cutter arbor rotated the in -process, makes to scrape the cutter arbor and keep stable rotation, obtains good centering, makes rotary part can not move rotating the in -process simultaneously, keep with the stable contact of scraping the cutter arbor, make and scrape the cutter arbor and obtain good centering, has solved and has scraped the technical problem that the cutter arbor can not well be felt relieved in the present reverse counter bore course of working.
Description
Technical field
This utility model relates to plant equipment manufacture field, particularly to a kind of scraping cutter bar with centring means.
Background technology
nullIn machining，It is frequently seen hole and reverse sinking pore structure，Traditional reverse sinking hole machined generally adopts anti-scraper to be processed，As shown in Figure 1，First through hole a11 is set on workpiece a3，Scraping cutter bar a1 one end is connected with machine tool chief axis，Again by scraping cutter bar a2 traverse through hole a11，At the scraping cutter bar a2 other end, anti-scraper a1 is installed，When lathe drives scraping cutter bar a2 to rotate，Anti-scraper a1 is driven rotation accordingly，Thus cutting anti-shaving，Between traditional scraping cutter bar a2 and hole wall, minimum clearance is about 1mm，Uncontrollable due to spindle rotation accuracy，When scraping cutter bar a2 rotates，Scraping cutter bar a2 can amplitude of fluctuation be bigger because of good centering，Make the less stable of anti-scraper a1，Cause that the surface accuracy of the reverse counterbore of final processing is relatively low，Particularly deep hole、In the processing of Large Diameter Reverse counterbore，Owing to scraping cutter bar a2 amount of deflection is bigger，Scraping cutter bar a2 amplitude of fluctuation is more than 1mm，Scraping cutter bar a2 meeting constantly and produces friction between hole wall，Make scraping cutter bar a2 abrasion more serious，Affect machining accuracy，And owing to the friction between scraping cutter bar a2 and hole wall constantly changes，Make between anti-scraper a1 and workpiece a3 contact very unstable，Cause that anti-scraper a1 durability reduces，Simultaneously，Friction work between scraping cutter bar a2 and hole wall can consume the power of a part of main shaft output，Make main shaft output utilization ratio relatively low，And can cause that whole course of processing noise is bigger，Vibrate bigger，Machine tool chief axis will be damaged time serious.
At present, the centring means of scraping cutter bar centering it is not exclusively used in.
In sum, need a kind of technical scheme at present badly, solve the technical problem that in existing reverse sinking hole machined process, scraping cutter bar can not well be felt relieved.
Utility model content
The purpose of this utility model is in that to solve the defect that in existing reverse sinking hole machined process, scraping cutter bar can not well be felt relieved, it is provided that a kind of scraping cutter bar with centring means.
To achieve these goals, the technical scheme that the application adopts is:
A kind of scraping cutter bar with centring means, described scraping cutter bar one end is connected with jig, the other end is provided with the anti-cutter scraping counterbore, described scraping cutter bar is provided with centring means, described centring means includes the limiting component moved with the rotary part that scraping cutter bar rotates with restriction rotary part, described limiting component is arranged in the preprocessing hole on workpiece, and described rotary part is arranged in limiting component.Rotated with scraping cutter bar by the rotary part in centring means, reduce the amplitude of fluctuation in scraping cutter bar rotation process, make the rotation that scraping cutter bar maintenance is stable, obtain good centering, simultaneously rotary part is limited in the preprocessing hole on workpiece by limiting component, makes rotary part will not move in rotation process, keep with stable contact of scraping cutter bar and rotate, make scraping cutter bar obtain good centering further, solve the technical problem that in existing reverse sinking hole machined process, scraping cutter bar can not well be felt relieved.
As the preferred version of the application, the rotary part arranged in described limiting component is at least one.As required, at least one rotary part can be set in limiting component, farthest reduce scraping cutter bar amplitude of fluctuation in rotation process, make scraping cutter bar stability of rotation.
Mating surface as the preferred version of the application, described limiting component and described rotary part is shoulder hole, and on each ladder, correspondence is provided with the rotary part coordinated with this shoulder hole.By the mating surface of limiting component Yu rotary part is set to shoulder hole, can as needed in the rotary part arranging different-diameter in each ladder, the rotary part of different-diameter coordinates jointly, controls minimum by the rotation amplitude of scraping cutter bar, makes scraping cutter bar stable rotation.
As the preferred version of the application, described shoulder hole includes the first ladder, the second ladder and the 3rd ladder, is respectively arranged with at least one rotary part in described first ladder and the 3rd ladder.Rotary part is received by limiting component preferably that be provided with three ladders, ensure that rotary part will not move along the axial direction of preprocessing hole in rotation process, make the centering that scraping cutter bar maintenance is good, slow-roll stabilization, rotary part is set in the first ladder and the 3rd ladder simultaneously, make will not contact between each two rotary part by the second ladder and disturb rotation, be further ensured that the stable rotation of rotary part, maintain the good centering of scraping cutter bar.
As the preferred version of the application, described rotary part includes at least one rolling bearing, and described rolling bearing rotates with scraping cutter bar.By the rotational characteristic of rolling bearing, making rolling bearing rotate with scraping cutter bar, rotating accuracy is higher, is conducive to being limited in scraping cutter bar swing in little scope, makes scraping cutter bar obtain good centering, it is ensured that scraping cutter bar slow-roll stabilization.
As the preferred version of the application, described scraping cutter bar runs through the first ladder, the second ladder and the 3rd ladder, described second ladder inwall and scraping cutter bar outer wall matched in clearance simultaneously.By the matched in clearance between the second ladder inwall and scraping cutter bar outer wall, scraping cutter bar outer wall and the second ladder inwall is made not to contact, it is to avoid the rotation of interference rolling bearing, it is ensured that bearing normal rotation.
As the preferred version of the application, described limiting component outer wall cooperates with the preprocessing hole inwall on workpiece, described rotary part outer wall and limiting component inwall interference fit.By the limiting component outer wall cooperated and the preprocessing hole inwall on workpiece, stopping means is made easier to load in the preprocessing hole on workpiece, easy disassembly, simultaneously, rotary part adopts interference fit with limiting component inwall, rotary part is fixed in limiting component, it is ensured that running does not have between rotary part and limiting component slip in rotational direction, it is ensured that what rotary part rotated stablizes.
As the preferred version of the application, the centring means that described scraping cutter bar is arranged is at least one.According to actual needs, it is possible to multiple centring means is set on scraping cutter bar, scraping cutter bar is made to be felt relieved preferably, it is ensured that stablizing of rotation.
In sum, owing to have employed technique scheme, the application provides the benefit that:
Rotated with scraping cutter bar by the rotary part in centring means, reduce the amplitude of fluctuation in scraping cutter bar rotation process, make the rotation that scraping cutter bar maintenance is stable, obtain good centering, simultaneously rotary part is limited in the preprocessing hole on workpiece by limiting component, makes rotary part will not move in rotation process, keep with stable contact of scraping cutter bar and rotate, make scraping cutter bar obtain good centering further, solve the technical problem that in existing reverse sinking hole machined process, scraping cutter bar can not well be felt relieved.
Accompanying drawing explanation
The structural representation of scraping cutter bar in the existing reverse sinking hole machined of Fig. 1；
Fig. 2 is the structural representation of the centring means with a rolling bearing；
Fig. 3 is the structural representation of the scraping cutter bar with centring means described in embodiment 1；
Fig. 4 is the structural representation of the centring means with two rolling bearings；
Fig. 5 is the structural representation of the scraping cutter bar with centring means described in embodiment 2；
Fig. 6 is the structural representation of the scraping cutter bar being provided with two centring means described in embodiment 3.
Accompanying drawing labelling
The anti-scraper of labelling in accompanying drawing 1: a1-, a11-through hole, a2-scraping cutter bar, a3-workpiece；
Labelling in accompanying drawing 2-6: 1-cutter, 11-preprocessing hole, 2-scraping cutter bar, 3-centring means, 31-limiting component, 32-rotary part, 33-the first ladder, 34-the second ladder, 35-the 3rd ladder, 4-workpiece.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and the specific embodiments, this utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain this utility model, be not used to limit this utility model.
Embodiment 1
Such as accompanying drawing 2, shown in accompanying drawing 3, a kind of scraping cutter bar 2 with centring means 3, described scraping cutter bar 2 one end is connected with jig, the other end is provided with the anti-cutter 1 scraping counterbore, described scraping cutter bar 2 is provided with centring means 3, described centring means 3 includes the limiting component 31 moved with the rotary part 32 that scraping cutter bar 2 rotates with restriction rotary part 32, described limiting component 31 is arranged in the preprocessing hole 11 on workpiece 4, described rotary part 32 is arranged in limiting component 31, described limiting component 31 outer wall cooperates with preprocessing hole 11 inwall on workpiece 4, described rotary part 32 outer wall and limiting component 31 inwall interference fit, described rotary part 32 is rolling bearing, described rolling bearing rotates with scraping cutter bar 2.nullRotate with scraping cutter bar 2 as rotary part 32 by arranging rolling bearing，The rotational characteristic utilizing rolling bearing changes uncontrollable sliding friction between preprocessing hole 11 hole wall on original scraping cutter bar 2 and workpiece 4，Scraping cutter bar 2 is made well to be felt relieved，Sliding friction and worn scraper blade bar 2 will not be produced with preprocessing hole 11 hole wall on workpiece 4，And owing to the rotating accuracy of rolling bearing is higher，Scraping cutter bar 2 is limited in little scope and swings，The amplitude of fluctuation in scraping cutter bar 2 rotation process can be reduced，Scraping cutter bar 2 is made to maintain stable rotation，Obtain good centering，Improve machining accuracy，Reduce process time，Rotary part 32 adopts interference fit with limiting component 31 inwall simultaneously，Rotary part 32 is limited in the preprocessing hole 11 on workpiece 4 by limiting component 31，Make rolling bearing will not move in rotation process，Keep and stable contact of scraping cutter bar 2 and smooth rotation，It is further ensured that the smooth rotation of scraping cutter bar 2.
Embodiment 2
As shown in accompanying drawing 4, accompanying drawing 5, the scraping cutter bar with centring means described in this embodiment is identical with embodiment 1 principle, structure is similar, it is distinctive in that: in described limiting component 31, be provided with two rotary parts 32, two rotary part 32 cooperatings, farthest reduce the scraping cutter bar 2 amplitude of fluctuation in rotation process, make scraping cutter bar 2 stability of rotation.
Preferably, the mating surface of described limiting component 31 and described rotary part 32 is shoulder hole, on each ladder, correspondence is provided with the rotary part 32 coordinated with this shoulder hole, described shoulder hole includes the first ladder the 33, second ladder 34 and the 3rd ladder 35, it is respectively arranged with at least one rotary part 32 in described first ladder 33 and the 3rd ladder 35, described scraping cutter bar 2 runs through the first ladder the 33, second ladder 34 and the 3rd ladder 35, described second ladder 34 inwall and scraping cutter bar 2 outer wall matched in clearance simultaneously.By the mating surface of limiting component 31 with rotary part 32 is set to shoulder hole, can as needed in the multiple rotary parts 32 arranging different-diameter or same diameter in each ladder simultaneously, multiple rotary parts 32 of different-diameter or same diameter coordinate jointly, the rotation amplitude of scraping cutter bar 2 is limited in smaller range, make scraping cutter bar 2 stable rotation, simultaneously by the matched in clearance between the second ladder 34 inwall and scraping cutter bar 2 outer wall, scraping cutter bar 2 outer wall and the second ladder 34 inwall is made not to contact, avoid interference the rotation of rolling bearing, ensure the normal rotation of rolling bearing.
Embodiment 3
As shown in Figure 6, the scraping cutter bar with centring means described in this embodiment is identical with embodiment 2 principle, and structure is similar, is distinctive in that: the centring means 3 arranged on described scraping cutter bar 2 is two.By arranging multiple centring means 3 on scraping cutter bar 2, scraping cutter bar 2 is farthest made to obtain good centering, it is ensured that stablizing of rotation.
Above example only in order to this utility model is described and and technical scheme described by unrestricted this utility model, although this utility model is had been carried out describing in detail by this specification with reference to the above embodiments, but this utility model is not limited to above-mentioned detailed description of the invention, therefore any this utility model modified or equivalent replaces, and all are without departing from the technical scheme of the spirit and scope of utility model and improvement thereof, it all should be encompassed in right of the present utility model.
Claims (8)
1. the scraping cutter bar with centring means, described scraping cutter bar one end is connected with jig, the other end is provided with the anti-cutter scraping counterbore, it is characterized in that, described scraping cutter bar is provided with centring means, described centring means includes the limiting component moved with the rotary part that scraping cutter bar rotates with restriction rotary part, and described limiting component is arranged in the preprocessing hole on workpiece, and described rotary part is arranged in limiting component.
2. scraping cutter bar as claimed in claim 1, it is characterised in that: the rotary part arranged in described limiting component is at least one.
3. scraping cutter bar as claimed in claim 1, it is characterised in that: the mating surface of described limiting component and described rotary part is shoulder hole, and on each ladder, correspondence is provided with the rotary part coordinated with this shoulder hole.
4. scraping cutter bar as claimed in claim 3, it is characterised in that: described shoulder hole includes the first ladder, the second ladder and the 3rd ladder, is respectively arranged with at least one rotary part in described first ladder and the 3rd ladder.
5. the scraping cutter bar as described in claim 2 or 4, it is characterised in that: described rotary part includes at least one rolling bearing, and described rolling bearing rotates with scraping cutter bar.
6. scraping cutter bar as claimed in claim 4, it is characterised in that: described scraping cutter bar runs through the first ladder, the second ladder and the 3rd ladder, described second ladder inwall and scraping cutter bar outer wall matched in clearance simultaneously.
7. scraping cutter bar as claimed in claim 5, it is characterised in that: described limiting component outer wall and the preprocessing hole inwall matched in clearance on workpiece, described rotary part outer wall and limiting component inwall interference fit.
8. scraping cutter bar as claimed in claim 6, it is characterised in that: the centring means arranged on described scraping cutter bar is at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620161850.4U CN205393684U (en) | 2016-03-03 | 2016-03-03 | Scrape cutter arbor with centring means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620161850.4U CN205393684U (en) | 2016-03-03 | 2016-03-03 | Scrape cutter arbor with centring means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205393684U true CN205393684U (en) | 2016-07-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620161850.4U Active CN205393684U (en) | 2016-03-03 | 2016-03-03 | Scrape cutter arbor with centring means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205393684U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732331A (en) * | 2021-08-27 | 2021-12-03 | 沈阳鼓风机集团核电泵业有限公司 | High-precision adjustable reverse nest cutting tool and using method thereof |
-
2016
- 2016-03-03 CN CN201620161850.4U patent/CN205393684U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732331A (en) * | 2021-08-27 | 2021-12-03 | 沈阳鼓风机集团核电泵业有限公司 | High-precision adjustable reverse nest cutting tool and using method thereof |
| CN113732331B (en) * | 2021-08-27 | 2022-10-14 | 沈阳鼓风机集团核电泵业有限公司 | High-precision adjustable reverse nest cutting tool and using method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160831 Address after: 618000 Jiangxi hi tech Industrial Park, Sichuan, Jinsha Road, No. 666, No. Patentee after: Dongfang Turbine Co., Ltd., Dongfang Electric Group Address before: 618000 Deyang City, Sichuan province Jingyang District Tianshan Road three No. 136 8 Building 1 unit 102 room Patentee before: Wu Hao |