CN208825750U - A kind of anti-scraper - Google Patents
A kind of anti-scraper Download PDFInfo
- Publication number
- CN208825750U CN208825750U CN201821440997.2U CN201821440997U CN208825750U CN 208825750 U CN208825750 U CN 208825750U CN 201821440997 U CN201821440997 U CN 201821440997U CN 208825750 U CN208825750 U CN 208825750U
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- China
- Prior art keywords
- knife handle
- blade
- knife
- cavity
- impeller
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Abstract
The utility model discloses a kind of anti-scrapers, including knife handle, knife bar, blade, piston and impeller；The knife handle is equipped with cavity；One end of the knife bar is protruded into the cavity of knife handle, and is fixed with knife handle；The knife handle is equipped with the inlet opening of connection cavity bottom；The blade rotation is connected on knife bar；The piston is set in the cavity of knife handle；The impeller is set in knife bar, and impeller is fixedly connected with the piston；The piston can be moved along the length direction of cavity pushes blade to turn counterclockwise by impeller, withdraws blade in knife bar.The utility model clever structure injects liquid to cavity by inlet opening, and extrusion piston is mobile to push blade overturning to withdraw by impeller, through-hole of the knife bar on workpiece is enabled to carry out reversed ream counterbore processing, features simple structure is not necessarily to repeated disassembled and assembled blade, easy to use.
Description
Technical field
The utility model relates to a kind of anti-scrapers.
Background technique
At present for the reversed scraping in hole, the mode separated mostly using scraping cutter bar and scraper head, when use, will be scraped
The knife bar of knife passes through work piece bottom outlet, and then blade is mounted on knife bar again, the processing of reversed ream counterbore is carried out, processes
It also needs to remove on blade afterwards, scraping cutter bar is exited from bottom outlet again.
The drawbacks of mode processed in this way has includes that processing efficiency is low, and one hole of every processing clamping and will be torn open
A blade is unloaded, service working time is too long, seriously affects processing efficiency；Limit of some workpiece because of itself shape space
System, it has not been convenient to which the artificial installation for carrying out blade, operation difficulty is big, and extremely inconvenient.
Therefore, it is necessary to design a kind of anti-scraper that can automatically retract blade.
Utility model content
The purpose of the utility model is to provide the anti-scrapers that one kind can automatically retract blade.
Realizing the technical solution of the utility model aim is: a kind of anti-scraper, including knife handle, knife bar, blade, piston and pushes away
Moving part；The knife handle is equipped with cavity；One end of the knife bar is protruded into the cavity of knife handle, and is fixed with knife handle；The knife
Handle is equipped with the inlet opening of connection cavity bottom；The blade rotation is connected on knife bar；The piston is set to the cavity of knife handle
In；The impeller is set in knife bar, and impeller is fixedly connected with the piston；The piston can be along the length direction of cavity
It is mobile to push blade to turn counterclockwise by impeller, withdraw blade in knife bar.
Annular convex platform there are two being set on the piston；It is equipped with and is protruded between two annular convex platform in the side wall of the knife handle
Caging bolt.
The knife bar is equipped with mounting groove far from one end side wall of knife handle；The blade includes interconnecting piece and cutter head portion；Institute
Interconnecting piece is stated to be rotatably connected in mounting groove；The interconnecting piece is equipped with the guiding cooperated with impeller towards the side of impeller
Face；The positioning surface cooperated with mounting groove inner wall is equipped on the interconnecting piece away from the side of guide surface.
The guide surface of the interconnecting piece of the blade includes the first cambered surface and the first plane；The positioning surface includes the second cambered surface
With the second plane.
The cutter head portion of the blade is equipped with blade towards the side of knife handle.
The knife bar is equipped with the promotion channel that both ends are respectively communicated with the cavity of mounting groove and knife handle；The impeller is set to
It pushes in channel, and one end of impeller is stretched out on the one end for pushing channel to be fixedly connected with the piston and is arranged with spring.
The knife bar is equipped with towards one end of knife handle and pushes channel coaxial arrangement, for accommodating the spring of spring
Slot.
Liquid space was equipped between the piston and the cavity inner wall of knife handle；The knife bar is equipped with both ends and is respectively communicated with knife
The cavity of handle and the cooling hole of mounting groove.
The knife bar is equipped with the annular projection of fitting knife handle end face towards one end of knife handle；The annular projection is equipped with patch
Close knife handle end-face seal ring.
Using above-mentioned technical proposal, the utility model has below the utility model has the advantages that (1) the utility model structure is skilful
It is wonderful, liquid is injected to cavity by inlet opening, extrusion piston is mobile to push blade overturning withdrawal by impeller, enables knife bar
Through-hole enough on workpiece carries out reversed ream counterbore processing, and features simple structure is not necessarily to repeated disassembled and assembled blade, easy to use.
(2) top of piston is set there are two annular convex platform；In the side wall of the knife handle be equipped with protrude into two annular convex platform it
Between caging bolt, the moving distance of piston can be limited, prevent impeller from excessively pushing, avoid kelly.
(3) blade structure of the utility model is ingenious, stable structure.
(4) guide surface of the utility model interconnecting piece includes that the first cambered surface and the first plane, impeller successively push first
Plane and the first cambered surface keep the overturning amplitude of blade bigger, and the positioning surface includes the second cambered surface and the second plane, the second cambered surface
Design be convenient for the overturning of blade, the design in the space of the mounting groove of saving, the length of reduced knife bar, the second plane mentions significantly
The high stability of blade recycling state.
(5) knife bar of the utility model is equipped with the promotion channel that both ends are respectively communicated with the cavity of mounting groove and knife handle, pushes away
Moving part, which is set to, to be pushed in channel, and one end of impeller is stretched out on the one end for pushing channel to be fixedly connected with the piston and is arranged with bullet
Spring, when stopping injecting liquid, spring can push impeller to reset, using more convenient.
(6) liquid space was equipped between the piston of the utility model and the cavity inner wall of knife handle, knife bar is equipped with both ends point
Not Lian Tong the cavity of knife handle and the cooling hole of mounting groove, when blade is unfolded in machine tool chief axis rotation, residual liquid in cavity
It can be cooled down by cooling hole to blade.
(7) knife bar of the utility model is equipped with the annular projection of fitting knife handle end face, annular projection towards one end of knife handle
It is equipped with fitting knife handle end-face seal ring, improves the leakproofness of knife bar and knife handle.
Detailed description of the invention
In order to make the content of the utility model be easier to be clearly understood, below according to specific embodiment and combine attached
Figure, is described in further detail the utility model, wherein
Fig. 1 is the structural schematic diagram of the blade retracted state of the utility model.
Fig. 2 is the structural schematic diagram of the blade unfolded state of the utility model.
Label in attached drawing are as follows:
Knife handle 1, inlet opening 1-2, caging bolt 1-3, knife bar 2, mounting groove 2-1, pushes channel 2-2, spring at cavity 1-1
Slot 2-3, cooling hole 2-4, annular projection 2-5, blade 3, guide surface 3-1, positioning surface 3-2, blade 3-3, piston 4, annular convex platform
4-1, impeller 5, spring 6.
Specific embodiment
(embodiment 1)
See Fig. 1 and Fig. 2, the anti-scraper of the present embodiment, including knife handle 1, knife bar 2, blade 3, piston 4 and impeller 5.Knife handle
1 is equipped with cavity 1-1.One end of knife bar 2 is protruded into the cavity 1-1 of knife handle 1, and is threadably secured with knife handle 1.Knife handle 1
It is equipped with the inlet opening 1-2 of the connection bottom cavity 1-1.Liquid or gas, liquid are inputted into inlet opening 1-2 by external device (ED)
It is preferred that using coolant liquid, air is can be used in gas.Blade 3 is rotatably connected on knife bar 2.Piston 4 is set to the cavity 1-1 of knife handle 1
In.Impeller 5 is set in knife bar 2, and impeller 5 is fixedly connected with piston 4.Piston 4 can be along the length direction of cavity 1-1
It is mobile to push blade 3 to turn counterclockwise by impeller 5, withdraw blade 3 in knife bar 2.
Annular convex platform 4-1 there are two being set on piston 4.It is equipped with and is protruded between two annular convex platform 4-1 in the side wall of knife handle 1
Caging bolt 1-3.
Knife bar 2 is equipped with mounting groove 2-1 far from one end side wall of knife handle 1.Blade 3 includes interconnecting piece and cutter head portion.Connection
Portion is rotatably connected in mounting groove 2-1.Interconnecting piece is equipped with the guide surface 3-1 cooperated with impeller 5 towards the side of impeller 5.
The positioning surface 3-2 cooperated with mounting groove 2-1 inner wall is equipped on interconnecting piece away from the side of guide surface 3-1.
See that Fig. 1, the guide surface 3-1 of the interconnecting piece of blade 3 include the first cambered surface and the first plane being arranged from the bottom to top.It is fixed
Plane 3-2 includes that the second cambered surface and the second plane are arranged from the bottom to top.
See Fig. 2, the cutter head portion of blade 3 is equipped with blade 3-3 towards the side of knife handle 1.
Knife bar 2 is equipped with the promotion channel 2-2 that both ends are respectively communicated with the cavity 1-1 of mounting groove 2-1 and knife handle 1.Impeller 5
In promotion channel 2-2, and one end of impeller 5 is stretched out on the one end for pushing channel 2-2 to be fixedly connected with piston 4 and is arranged
There is spring 6.One end end that impeller 5 and blade 3 cooperate is equipped with hemisphere face.
Knife bar 2 is equipped with towards one end of knife handle 1 and pushes channel 2-2 coaxial arrangement, for accommodating the spring of spring 6
Slot 2-3.
Liquid space was equipped between piston 4 and the cavity 1-1 inner wall of knife handle 1.Crossing liquid space can be the convex annular of piston 4
What the gap that is equipped between the inner wall of cavity 1-1 on the circumferential surface of platform 4-1, annular convex platform 4-1 circumferential surface were equipped with crosses liquid bath, annular
The through-hole being arranged on 4 end face of through-hole or piston being arranged on the end face boss 4-1.Knife bar 2 is equipped with both ends and is respectively communicated with knife handle 1
The cooling hole 2-4 of cavity 1-1 and mounting groove 2-1 makes the coolant liquid entered from inlet opening 1-2 reach installation by cooling hole 2-4
Cooling blade 3 in slot 2-1.
Knife bar 2 is equipped with the annular projection 2-5 of fitting 1 end face of knife handle towards one end of knife handle 1.Annular projection 2-5 is equipped with
It is bonded 1 end-face seal ring of knife handle.
In use, the interior device for cooling of lathe injects coolant liquid to the inlet opening 1-2 of knife handle 1, piston 4 is cooling hole 2-4's
It is mobile by 2 direction of trend knife bar under pressure, the first plane and first of the guide surface 3-1 of blade 3 is successively pushed by impeller 5
Cambered surface withdraws the overturning of blade 3 in the mounting groove 2-1 of knife bar 2, then knife handle 1 is passed through the through-hole of workpiece, the interior device for cooling of lathe
Stop injecting coolant liquid to the inlet opening 1-2 of knife handle 1, the main shaft of lathe starts to rotate, effect of the blade 3 in the centrifugal force of rotation
Lower rotary expansion protrudes into mounting groove 2-1, is able to carry out anti-ream counterbore processing at this time, and coolant liquid passed sequentially through liquid in cavity 1-1
Space and cooling hole 2-4 reach cooling blade 3 in mounting groove 2-1.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
Step is described in detail, it should be understood that being not limited to this foregoing is merely specific embodiment of the utility model
Utility model, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all wrap
Containing being within the protection scope of the utility model.
Claims (9)
1. a kind of anti-scraper, it is characterised in that: including knife handle (1), knife bar (2), blade (3), piston (4) and impeller (5)；Institute
Knife handle (1) is stated equipped with cavity (1-1)；One end of the knife bar (2) is protruded into the cavity (1-1) of knife handle (1), and and knife handle
(1) fixed；The knife handle (1) is equipped with the inlet opening (1-2) of connection bottom cavity (1-1)；The blade (3) is rotatably connected on
On knife bar (2)；The piston (4) is set in the cavity (1-1) of knife handle (1)；The impeller (5) is set in knife bar (2), and
Impeller (5) is fixedly connected with piston (4)；The piston (4) can pass through impeller along the movement of the length direction of cavity (1-1)
(5) it pushes blade (3) to turn counterclockwise, withdraws blade (3) in knife bar (2).
2. a kind of anti-scraper according to claim 1, it is characterised in that: convex annular there are two being set on the piston (4)
Platform (4-1)；The caging bolt (1-3) protruded between two annular convex platform (4-1) is equipped in the side wall of the knife handle (1).
3. a kind of anti-scraper according to claim 1, it is characterised in that: one end of the knife bar (2) far from knife handle (1)
Wall is equipped with mounting groove (2-1)；The blade (3) includes interconnecting piece and cutter head portion；The interconnecting piece is rotatably connected on mounting groove
In (2-1)；The interconnecting piece is equipped with the guide surface (3-1) cooperated with impeller (5) towards the side of impeller (5)；The company
The positioning surface (3-2) cooperated with mounting groove (2-1) inner wall is equipped in socket part away from the side of guide surface (3-1).
4. a kind of anti-scraper according to claim 3, it is characterised in that: the guide surface (3- of the interconnecting piece of the blade (3)
It 1) include the first cambered surface and the first plane；The positioning surface (3-2) includes the second cambered surface and the second plane.
5. a kind of anti-scraper according to claim 3, it is characterised in that: the cutter head portion of the blade (3) is towards knife handle (1)
Side be equipped with blade (3-3).
6. a kind of anti-scraper according to claim 3, it is characterised in that: the knife bar (2) is respectively communicated with equipped with both ends
The promotion channel (2-2) of the cavity (1-1) of mounting groove (2-1) and knife handle (1)；The impeller (5), which is set to, pushes channel (2-2)
In, and one end of impeller (5) is stretched out on the one end for pushing channel (2-2) to be fixedly connected with piston (4) and is arranged with spring
(6)。
7. a kind of anti-scraper according to claim 4, it is characterised in that: the knife bar (2) is towards on one end of knife handle (1)
Equipped with being coaxially disposed with channel (2-2) is pushed, for accommodating the spring groove (2-3) of spring (6).
8. a kind of anti-scraper according to claim 3, it is characterised in that: the cavity (1- of the piston (4) and knife handle (1)
1) liquid space was equipped between inner wall；The knife bar (2) is equipped with cavity (1-1) and the installation that both ends are respectively communicated with knife handle (1)
The cooling hole (2-4) of slot (2-1).
9. a kind of anti-scraper according to claim 1, it is characterised in that: one end of knife bar (2) towards the knife handle (1) is set
There is the annular projection (2-5) of fitting knife handle (1) end face；The annular projection (2-5) is equipped with fitting knife handle (1) end face seal
Circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821440997.2U CN208825750U (en) | 2018-09-04 | 2018-09-04 | A kind of anti-scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821440997.2U CN208825750U (en) | 2018-09-04 | 2018-09-04 | A kind of anti-scraper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208825750U true CN208825750U (en) | 2019-05-07 |
Family
ID=66311822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821440997.2U Active CN208825750U (en) | 2018-09-04 | 2018-09-04 | A kind of anti-scraper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208825750U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355400A (en) * | 2019-07-26 | 2019-10-22 | 苏州网宏自动化设备有限公司 | A kind of integrated machine of multistation spot-facing of valve |
| CN110480099A (en) * | 2019-07-17 | 2019-11-22 | 苏州名匠阀门设备有限公司 | A kind of process tool and processing method for workpiece reverse side counterbore |
| CN111168131A (en) * | 2019-12-13 | 2020-05-19 | 华东理工大学 | Cutter for removing burrs of crossed holes |
| CN111299715A (en) * | 2019-11-26 | 2020-06-19 | 湖北江山重工有限责任公司 | Automatic foldable anti-scraper |
| CN112024986A (en) * | 2020-07-06 | 2020-12-04 | 武汉船用机械有限责任公司 | Stepped hole machining method and stepped hole machining tool |
-
2018
- 2018-09-04 CN CN201821440997.2U patent/CN208825750U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480099A (en) * | 2019-07-17 | 2019-11-22 | 苏州名匠阀门设备有限公司 | A kind of process tool and processing method for workpiece reverse side counterbore |
| CN110480099B (en) * | 2019-07-17 | 2024-02-02 | 苏州名匠阀门设备有限公司 | Machining tool and machining method for counter bore on back surface of workpiece |
| CN110355400A (en) * | 2019-07-26 | 2019-10-22 | 苏州网宏自动化设备有限公司 | A kind of integrated machine of multistation spot-facing of valve |
| CN111299715A (en) * | 2019-11-26 | 2020-06-19 | 湖北江山重工有限责任公司 | Automatic foldable anti-scraper |
| CN111168131A (en) * | 2019-12-13 | 2020-05-19 | 华东理工大学 | Cutter for removing burrs of crossed holes |
| CN111168131B (en) * | 2019-12-13 | 2021-08-03 | 华东理工大学 | Cutter for removing burrs of crossed holes |
| CN112024986A (en) * | 2020-07-06 | 2020-12-04 | 武汉船用机械有限责任公司 | Stepped hole machining method and stepped hole machining tool |
| CN112024986B (en) * | 2020-07-06 | 2022-04-15 | 武汉船用机械有限责任公司 | Stepped hole machining method and stepped hole machining tool |
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