CN113118487B - Device for processing oil groove with assembled bushing - Google Patents
Device for processing oil groove with assembled bushing Download PDFInfo
- Publication number
- CN113118487B CN113118487B CN202010047763.7A CN202010047763A CN113118487B CN 113118487 B CN113118487 B CN 113118487B CN 202010047763 A CN202010047763 A CN 202010047763A CN 113118487 B CN113118487 B CN 113118487B
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- bushing
- cutter
- tool
- oil groove
- machining
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
- B23B27/1655—Adjustable position of the plate-like cutting inserts of special form
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention relates to the technical field of aerospace and discloses a device for machining an oil groove with an assembled bushing. The device for processing the oil groove with the assembled bush comprises a cutter holder, wherein the cutter holder can partially extend into the bush and abut against the outer end face of the bush; the cutter can extend out or retract into the cutter seat along the radial direction of the bushing, and the cutter is used for machining the oil groove in the bushing; and the adjusting assembly is arranged in the tool apron and can drive the tool to move along the radial direction of the bushing and enable the tool to keep the current position. The device for processing the oil groove of the assembled bushing can cut without damaging an oil pipe or interfering an assembly system, and ensures that the surface environment of the bushing before and after cutting is unchanged.
Description
Technical Field
The invention relates to the technical field of aerospace, in particular to a device for machining an oil groove with an assembled bushing.
Background
The bush is used in each link of machine-building in a large number, for guaranteeing that the bush does not produce the thermal deformation phenomenon in the in-service use, the inside oil groove that can process of bush controls the thermal deformation through pouring into machine oil in the in-service use. The thermal deformation is produced to the leading intersect department of the nose landing gear of passenger plane, and for the thermal deformation of the bush of guaranteeing nose landing gear is controlled, need process the oil groove in the bush, when pouring into machine oil into the bush, with the storage volume of guaranteeing machine oil.
The traditional machining process of the oil groove of the bushing needs to finish the machining procedure of the oil groove in the manufacturing process of the bushing, and the machining mode cannot meet the requirement of the remanufacturing optimization of the oil groove of the bushing after assembly. When the bushing is deformed by heat during use and an oil groove mechanism needs to be added inside the bushing, the method of removing and replacing the bushing is generally adopted. However, this approach greatly increases the tooling time for bushing removal and installation and increases the potential risk of damaging the various structural components of the assembly system during the bushing removal and installation process.
Disclosure of Invention
The invention aims to provide a device for machining an oil groove of an assembled bushing, which can cut without damaging an oil pipe or interfering an assembly system and ensure that the surface environment of the bushing before and after cutting is unchanged.
In order to achieve the purpose, the invention adopts the following technical scheme:
there is provided an apparatus for machining an oil sump of an assembled liner, comprising:
the tool apron can partially extend into the bushing and abut against the outer end face of the bushing;
the cutter can extend out or retract into the cutter seat along the radial direction of the bushing, and is used for machining the oil groove in the bushing;
and the adjusting assembly is arranged in the tool apron and can drive the tool to move along the radial direction of the bushing and enable the tool to keep the current position.
Preferably, the adjustment assembly comprises:
the adjusting block reciprocates along the axial direction of the tool apron so as to drive the tool to reciprocate along the radial direction of the bushing;
the first adjusting piece and the second adjusting piece are oppositely arranged on two sides of the adjusting block along the axial direction of the tool apron and are configured to drive the adjusting block to reciprocate along the axial direction of the tool apron.
Preferably, the device for processing the oil groove with the assembled bushing further comprises an elastic member arranged inside the tool apron, one end of the elastic member abuts against the tool, the other end of the elastic member abuts against the tool apron, and the elastic member can stretch and retract along the radial direction of the bushing.
Preferably, an inclined plane is arranged on the periphery of the cutter holder and close to the cutter, the inclined plane extends from the cutter to the cutter holder in a downward inclined mode, and the inclined plane and the inner wall of the bushing form a closed space for collecting metal scraps after cutting.
Preferably, the apparatus for machining an oil groove of an assembled liner further comprises an end cap detachably attached to the tool holder.
Preferably, the elastic member is a spring.
Preferably, the apparatus for machining an oil groove of an assembled liner further comprises a stopper provided at one end of the end cap, the stopper being configured to stop the adjusting block from coming out of one end of the end cap.
Preferably, a connecting shaft is arranged on the tool apron and configured to be connected with a drilling device.
Preferably, the drilling apparatus is a hand-held drilling apparatus.
Preferably, a rolling ball is embedded in an end of the connecting shaft.
The invention has the beneficial effects that: when the oil groove in the bushing is machined, the cutter holder extends into the bushing, and the cutter is also positioned in the bushing. At the moment, the cutter is pushed to move along the radial direction of the bush by the adjusting component, so that the cutter extends out of the cutter seat and can keep the current position of the cutter, and the cutter moves along the radial direction to extend out of the cutter seat, namely the cutting depth of the oil groove. When the device for machining the oil groove of the assembled bushing rotates integrally, the cutter machines the oil groove in the inner hole of the bushing. In the machining process, the tool apron is abutted against the outer end face of the bushing, and the position accuracy of the machined oil groove is guaranteed. Simultaneously, through the extension volume that adjusting part control cutter stretched out the blade holder to control the feed volume, the oil groove size of processing is accurate. The mode of utilizing above-mentioned device processing oil groove is applicable to the bush and processes the oil groove under the assembly environment, can not damage oil pipe to and do not interfere the cutting under the condition of assembly system, accomplish the processing optimization to the oil groove of the bush of assembly.
Drawings
FIG. 1 is an exploded view of the apparatus for machining an oil sump of an assembled liner of the present invention;
FIG. 2 is a schematic view of a first angle of the tool holder of the present invention;
FIG. 3 is a second angled view of the tool holder of the present invention;
fig. 4 is a schematic structural view of the apparatus for machining an oil groove with a bush fitted according to the present invention (excluding a tool holder, an end cap and a rolling ball).
In the figure: 1-a tool apron; 11-inclined plane; 2-rolling balls; 3-cutting tools; 4-a regulating block; 41-inclined plane; 5-end cover; 6-a first adjustment member; 7-a stop member; 8-a second adjustment member; 9-elastic member.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the product of the present invention is conventionally placed in use, and are only used for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The traditional machining process of the oil groove of the bushing needs to finish the machining procedure of the oil groove in the manufacturing process of the bushing, and the machining mode cannot meet the requirement of the remanufacturing optimization of the oil groove of the bushing after assembly. When the bushing is deformed by heat during use and an oil groove mechanism needs to be added inside the bushing, a method of dismounting and replacing is usually adopted. However, this approach greatly increases the tooling time for bushing removal and installation and increases the potential risk of damaging various structural components in the assembly system during the bushing removal and installation process.
In order to solve the above problem, the present embodiment provides an apparatus for machining an oil groove with a bushing, as shown in fig. 1, comprising a tool holder 1, a tool 3 and an adjusting assembly, wherein the tool holder 1 can partially extend into the bushing and press against the outer end surface of the bushing. The cutter 3 can extend out or retract into the cutter holder 1 along the radial direction of the bush, and the cutter 3 is used for machining an oil groove in the bush. The adjusting assembly can drive the cutter 3 to move along the radial direction of the bush and can keep the cutter 3 at the current position.
In this embodiment, when machining the oil groove in the bush, the tool holder 1 partially extends into the bush, and the tool 3 is also positioned in the bush. At this time, the cutter 3 is pushed to move along the radial direction of the bush by using the adjusting assembly, so that the cutter 3 extends out of the cutter holder 1 and the cutter 3 can keep the current position, and the cutter 3 extends out of the cutter holder 1 by the radial movement along the bush, namely the cutting depth of the oil groove. When the above-described apparatus for machining an oil groove of an assembled liner is integrally rotated, the cutter 3 machines the oil groove in the inner bore of the liner. In the machining process, the tool apron 1 is abutted against the outer end face of the bushing, and the position accuracy of the machined oil groove is guaranteed. Meanwhile, the extension amount of the cutter 3 extending out of the cutter holder 1 is controlled through the adjusting assembly, so that the cutter feeding amount is controlled, and the size of a processed oil groove is accurate. The mode of utilizing above-mentioned device processing oil groove is applicable to the bush and processes the oil groove under the assembly environment, can not damage oil pipe to and do not interfere the cutting under the condition of assembly system, accomplish the processing optimization to the oil groove of the bush of assembly.
The specific structure and connection relationship of the adjustment assembly will be described in detail with reference to fig. 1 and 2.
The adjusting assembly comprises an adjusting block 4, a first adjusting piece 6 and a second adjusting piece 8, wherein the adjusting block 4 reciprocates along the axial direction of the tool apron 1 so as to drive the tool 3 to reciprocate along the radial direction of the bushing. The first adjusting piece 6 and the second adjusting piece 8 are oppositely arranged along the axial direction of the tool apron 1 and are positioned at two sides of the adjusting block 4, and the first adjusting piece 6 and the second adjusting piece 8 are configured to drive the adjusting block 4 to reciprocate along the axial direction of the tool apron 1. The first adjusting piece 6 and the second adjusting piece 8 are utilized to drive the adjusting block 4 to reciprocate along the axial direction of the tool apron 1, and the axial movement of the adjusting block 4 is converted into the radial reciprocating movement of the driving tool 3. The first 6 and second 8 adjustment members are manually adjustable, and in other embodiments, may be adjustable by automated structure. First regulating part 6 of this embodiment and second regulating part 8 are the screw, and two screws set up relatively, and two equal threaded connection in regulating block 4 of screw, and two screws all can be followed the axial of blade holder 1 and moved for blade holder 1.
As shown in fig. 1, 3 and 4, the tool holder 1 is made of 45#, the tool holder 1 has a large structure volume and needs more materials, the 45# -adopted tool holder has low cost and simple processing technology. The tool holder 1 is provided with a connecting shaft configured to connect a drilling apparatus. The end of the connecting shaft is provided with a rolling ball 2, and the drilling equipment is handheld drilling equipment.
The apparatus for machining the oil groove of the assembled liner also includes an end cap 5 removably attached to the tool holder 1. The end cover 5 is fastened to the holder 1 by means of screws. End cap 5 is made of 45 #.
In this embodiment, the adjusting block 4 is provided with an inclined surface 41, and the inclined surface 41 extends from one end close to the first adjusting member 6 to a direction close to the end cover 5 along the axial direction of the tool holder 1, and gradually inclines upwards along the axial direction of the tool holder 1.
Specifically, the device for processing the oil groove with the assembled bushing further comprises an elastic part 9 arranged inside the tool apron 1, one end of the elastic part 9 abuts against the tool 3, the other end of the elastic part abuts against the tool apron 1, and the elastic part 9 can stretch and retract along the radial direction of the bushing. Through setting up elastic component 9 and can letting cutter 3 reset more fast, simultaneously, because of the tip and the contact of inclined plane 41 of cutter 3, in the course of the work, cutter 3 probably appears rocking slightly, influences the machining precision, sets up elastic component 9, guarantees cutter 3 and contacts with inclined plane 41 all the time, improves the machining precision. Further specifically, the elastic member 9 is a spring, and a central axis of the spring is arranged in parallel with the reciprocating direction of the cutter 3.
Furthermore, as shown in fig. 3 and 4, the outer periphery of the holder 1 is provided with a bevel 11 near the tool 3, and the bevel 11 extends obliquely downward from the tool 3 extending out of the holder 1. A closed space is formed between the inclined surface 11 and the inner wall of the bushing, so that metal chips generated by the cutting oil groove can be stored in the space, namely, the cutting oil groove is used for collecting aluminum chips or iron chips after cutting, and therefore the assembly environment after machining is ensured to be consistent with that before machining.
Further, as shown in fig. 1 and 2, the apparatus for machining an oil groove of an assembled liner further includes a stopper 7, the stopper 7 being provided at one end of the end cap 5, the stopper 7 being configured to prevent the adjusting block 4 from coming out of one end of the end cap 5. Specifically, a groove is formed in one end, close to the end cover 5, of the tool apron 1, and the tool 3, the elastic piece 9 and the adjusting block 4 are installed from the opening end and buckled by the end cover 5. The end cover 5 is provided with a round hole at the position corresponding to the adjusting block 4, the adjusting block 4 is structured as shown in figure 1, and a stop part 7 is arranged at the round hole in order to prevent the adjusting block 4 from being separated from the round hole of the end cover 5.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (6)
1. An apparatus for machining an assembled liner oil sump, comprising:
the metal cutting tool comprises a tool apron (1), wherein the tool apron (1) can partially extend into a bushing and abut against the outer end face of the bushing, an inclined plane (11) is arranged on the periphery of the tool apron (1) and is close to a tool (3), the inclined plane (11) extends from the tool (3) to the tool apron (1) in a downward inclined mode, and the inclined plane (11) and the inner wall of the bushing form a closed space for collecting cut metal scraps;
the cutter (3) can extend out or retract into the cutter holder (1) along the radial direction of the bushing, and the cutter (3) is used for machining an oil groove in the bushing;
the adjusting assembly is arranged inside the tool apron (1), can drive the cutter (3) to move along the radial direction of the bush, and can enable the cutter (3) to keep the current position;
the adjustment assembly includes:
the adjusting block (4) reciprocates along the axial direction of the tool apron (1) to drive the cutter (3) to reciprocate along the radial direction of the bushing;
the first adjusting piece (6) and the second adjusting piece (8) are oppositely arranged on two sides of the adjusting block (4) along the axial direction of the tool apron (1) and are configured to drive the adjusting block (4) to reciprocate along the axial direction of the tool apron (1);
the device for processing the oil groove with the assembled bush also comprises an end cover (5) detachably connected to the cutter holder (1);
the device for processing the oil groove of the assembled bushing further comprises a stop piece (7), wherein the stop piece (7) is arranged at one end of the end cover (5), and the stop piece (7) is configured to stop the adjusting block (4) from coming out of one end of the end cover (5).
2. The device for machining an assembled lining oil groove according to claim 1, further comprising an elastic member (9) arranged inside the tool holder (1), wherein one end of the elastic member (9) is pressed against the tool (3) and the other end of the elastic member is pressed against the tool holder (1), and the elastic member (9) can expand and contract along the radial direction of the lining.
3. An apparatus for machining an oil sump of an assembled liner according to claim 2, wherein the elastic member (9) is a spring.
4. Device for machining an oil sump with an assembled liner according to claim 1, characterized in that the tool holder (1) is provided with a connecting shaft configured for connection to a drilling apparatus.
5. The apparatus for machining an assembled liner sump of claim 4, wherein the drilling apparatus is a hand-held drilling apparatus.
6. An apparatus for machining an oil sump with a lining fitted according to claim 4, wherein a rolling ball (2) is embedded in an end of the connecting shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010047763.7A CN113118487B (en) | 2020-01-16 | 2020-01-16 | Device for processing oil groove with assembled bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010047763.7A CN113118487B (en) | 2020-01-16 | 2020-01-16 | Device for processing oil groove with assembled bushing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113118487A CN113118487A (en) | 2021-07-16 |
| CN113118487B true CN113118487B (en) | 2022-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010047763.7A Active CN113118487B (en) | 2020-01-16 | 2020-01-16 | Device for processing oil groove with assembled bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113118487B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB385600A (en) * | 1931-03-25 | 1932-12-28 | Charles George Garrard | Improvements relating to methods of and apparatus for cutting grooves, recesses and the like |
| NL78505C (en) * | 1953-05-15 | |||
| IT968813B (en) * | 1971-11-01 | 1974-03-20 | Gleason Works | PROCESS AND APPARATUS FOR CUTTING AND BLIND SLOTS |
| DE4104474C1 (en) * | 1991-02-14 | 1992-04-02 | Cross Europa-Werk Gmbh, 7317 Wendlingen, De | |
| DE19951658A1 (en) * | 1999-10-27 | 2001-05-10 | Wohlhaupter Gmbh | Tool holder |
| JP3901913B2 (en) * | 2000-06-12 | 2007-04-04 | 本田技研工業株式会社 | Rotary cutting tool |
| CN202045372U (en) * | 2010-11-25 | 2011-11-23 | 天津菱云刀具设计有限公司 | Cutter blade fine adjusting device |
| CN105171017A (en) * | 2015-10-12 | 2015-12-23 | 四川大学 | Adjustable tool |
| CN106312111A (en) * | 2016-10-25 | 2017-01-11 | 冯明 | Novel fine-adjustment precise boring cutter |
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2020
- 2020-01-16 CN CN202010047763.7A patent/CN113118487B/en active Active
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| CN113118487A (en) | 2021-07-16 |
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