CN220533546U - Machining tool for thin-wall bushing - Google Patents
Machining tool for thin-wall bushing Download PDFInfo
- Publication number
- CN220533546U CN220533546U CN202322226888.8U CN202322226888U CN220533546U CN 220533546 U CN220533546 U CN 220533546U CN 202322226888 U CN202322226888 U CN 202322226888U CN 220533546 U CN220533546 U CN 220533546U
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- thin
- hole
- wall
- wall bushing
- sleeve
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- 238000003754 machining Methods 0.000 title abstract description 16
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000012797 qualification Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The utility model relates to the technical field of machining, in particular to a machining tool for a thin-wall bushing, which comprises a thin-wall bushing inner hole turning tool, a thin-wall bushing outer circle turning tool, a thin-wall bushing inner hole grinding tool and a thin-wall bushing outer circle grinding tool, wherein the thin-wall bushing inner hole turning tool, the thin-wall bushing outer circle turning tool, the thin-wall bushing inner hole grinding tool and the thin-wall bushing outer circle grinding tool are tools special for machining the thin-wall bushing, and the thin-wall bushing is in surface contact with each tool during machining, so that the clamping effect of the thin-wall bushing is improved, the stress uniformity of parts during machining the thin-wall bushing is improved, the deformation of the parts can be better controlled, and the machining qualification rate of the thin-wall bushing is improved.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to a machining tool for a thin-wall bushing.
Background
In the aviation field, thin-wall bushing parts are often used, the thin-wall bushing is in a hollow cylindrical shape, the thin-wall bushing comprises an inner hole and an outer circle, and the inner hole and the outer circle are machined through a turning process and a grinding process. At present, the clamping of turning process and grinding process all uses general three-jaw chuck, because the wall thickness of thin wall bush is thinner, adopts three-jaw chuck centre gripping part to cause the fish tail to the spare part easily, and the homogeneity of part atress is relatively poor during processing, leads to the deflection big during the part processing, reduces its qualification rate of processing.
Disclosure of Invention
The utility model solves the technical problem of providing a processing tool for a thin-wall bushing, which has higher processing qualification rate.
The technical scheme adopted for solving the technical problems is as follows: the machining tool for the thin-wall bushing comprises a thin-wall bushing inner hole turning tool, wherein the thin-wall bushing inner hole turning tool comprises a first fixed sleeve and a first workpiece placement sleeve, a first through hole which penetrates through the first workpiece placement sleeve vertically is arranged in the middle of the first fixed sleeve, a second through hole which penetrates through the first workpiece placement sleeve vertically is arranged in the middle of the first workpiece placement sleeve, a first connecting internal thread is arranged on the inner wall of the middle lower part of the first through hole, a first connecting external thread is arranged on the outer wall of the middle upper part of the first workpiece placement sleeve, and the first connecting internal thread is connected with the first connecting external thread in a matched mode to detachably arrange the first fixed sleeve on the first workpiece placement sleeve;
the inner wall of the middle upper part of the first through hole is provided with a circular first compression plate, and the inner wall of the second through hole is provided with a circular first workpiece placement horizontal step surface.
Further, the first through hole is arranged in the middle of the first fixing sleeve, and the second through hole is arranged in the middle of the first workpiece placing sleeve.
The fixture comprises a first workpiece placing column, a connecting column and a circular second fixing sleeve, wherein the first workpiece placing column is provided with a circular second workpiece placing horizontal step surface, the connecting column is arranged on the first workpiece placing column, and the connecting column is provided with second connecting external threads;
the middle of the second fixing sleeve is provided with a third through hole which is vertically penetrated, the inner wall of the third through hole is provided with a second connecting internal thread, and the second connecting internal thread is connected with the second connecting external thread in a matching way to detachably arrange the second fixing sleeve on the connecting upright post.
Further, the connecting upright post is arranged in the middle of the first workpiece placement post, and the third through hole is arranged in the middle of the second fixing sleeve.
The grinding thin-wall bushing inner hole fixture comprises a third workpiece placement sleeve and a fixing piece, wherein a fourth through hole which penetrates through the cylinder vertically is formed in the middle of the third workpiece placement sleeve, and a circular ring-shaped third workpiece placement horizontal step surface is formed in the inner wall of the fourth through hole;
the mounting includes hold-down screw and second hold-down plate, and telescopic top is provided with the compress tightly the screw in third work piece place, is provided with the via hole on the second hold-down plate, and the hold-down screw passes the via hole in proper order, compresses tightly the screw and can dismantle the setting on the sleeve is placed to the third work piece with the second hold-down plate.
Further, the number of the fixing pieces is 4, and the 4 fixing pieces are uniformly distributed on the circumferential direction of the fourth through hole;
the fourth through hole is arranged in the middle of the third workpiece placement sleeve.
The grinding thin-wall bushing excircle tool comprises a cylindrical second workpiece placing column, an upper connecting column, a lower connecting column, a cylindrical upper pressing plate, a cylindrical lower pressing plate, an upper tightening nut and a lower tightening nut, wherein the upper connecting column is connected and arranged above the second workpiece placing column, and the lower connecting column is connected and arranged below the second workpiece placing column;
the middle of the upper pressing plate is provided with a second via hole, the middle of the lower pressing plate is provided with a third via hole, the upper pressing plate is sleeved on the upper connecting column through the second via hole, and the lower pressing plate is sleeved on the lower connecting column through the third via hole;
the outer wall of the upper connecting column is provided with a third connecting external thread, the upper tightening nut is sleeved on the upper connecting column through threads, the upper tightening nut is positioned above the upper pressing plate, the outer wall of the lower connecting column is provided with a fourth connecting external thread, the lower tightening nut is sleeved on the lower connecting column through threads, and the upper tightening nut is positioned below the lower pressing plate;
the diameter of the cross section circle of the upper pressing disc is larger than that of the cross section circle of the second workpiece placement column, and the diameter of the cross section circle of the lower pressing disc is larger than that of the cross section circle of the second workpiece placement column.
Further, a gasket is arranged between the upper tightening nut and the lower pressing disc.
Further, a handle is arranged on the tightening nut.
The beneficial effects of the utility model are as follows: the utility model relates to a processing tool for a thin-wall bushing, which comprises a tool for turning an inner hole of the thin-wall bushing, wherein the tool for turning the inner hole of the thin-wall bushing is used as a tool special for turning the inner hole of the thin-wall bushing, when in processing, the thin-wall bushing is placed on a horizontal step surface of a first workpiece, and then the thin-wall bushing is pressed by a first fixing sleeve and a first pressing plate. And the fixture is also provided with a fixture for turning the outer circle of the thin-wall bushing, a fixture for grinding the inner hole of the thin-wall bushing and a fixture for grinding the outer circle of the thin-wall bushing, wherein the fixture for turning the outer circle of the thin-wall bushing, the fixture for grinding the inner hole of the thin-wall bushing and the fixture for grinding the outer circle of the thin-wall bushing are all fixtures specially used for processing the thin-wall bushing, and the thin-wall bushing is in surface contact with each fixture during processing, so that the clamping effect of the thin-wall bushing is further improved, the stress uniformity of parts during processing the thin-wall bushing is further improved, the deformation of the parts is further better controlled, and the qualification rate of processing the thin-wall bushing is further improved.
Drawings
FIG. 1 is a schematic diagram of a tooling for turning an inner hole of a thin-wall bushing;
FIG. 2 is a schematic cross-sectional view of an upper turning thin-walled bushing inner bore tooling;
FIG. 3 is a schematic diagram of a tooling for turning the excircle of the thin-wall bushing;
FIG. 4 is a schematic cross-sectional view of a tooling for turning the outer circle of the thin-walled bush;
FIG. 5 is a schematic illustration of a tooling process for grinding the inner bore of a thin-walled bushing;
FIG. 6 is a schematic cross-sectional view of a tooling for grinding the inner bore of a thin-walled bushing;
FIG. 7 is a schematic diagram of a tooling for grinding an outer circle of a thin-walled bushing;
FIG. 8 is a schematic cross-sectional view of a tooling for grinding an outer circle of a thin-walled bushing;
the marking is as follows: the thin-wall bushing inner hole turning tool 1, the first fixing sleeve 11, the first workpiece placing sleeve 12, the first through hole 13, the second through hole 14, the first pressing plate 15, the first workpiece placing horizontal step surface 16, the thin-wall bushing outer circle turning tool 2, the first workpiece placing column 21, the connecting upright column 22, the second fixing sleeve 23, the second workpiece placing horizontal step surface 24, the thin-wall bushing inner hole grinding tool 3, the third workpiece placing sleeve 31, the fixing piece 32, the fourth through hole 33, the third workpiece placing horizontal step surface 34, the thin-wall bushing outer circle grinding tool 4, the second workpiece placing column 41, the upper connecting column 42, the lower connecting column 43, the upper pressing plate 44, the lower pressing plate 45, the upper tightening nut 46, the lower tightening nut 47, the gasket 48, the handle 49 and the thin-wall bushing 5.
Detailed Description
The utility model is further described below with reference to the drawings and the detailed description.
As shown in fig. 1 and 2, the machining tool for the thin-wall bushing comprises a tool 1 for turning an inner hole of the thin-wall bushing, wherein the tool 1 for turning the inner hole of the thin-wall bushing comprises a first fixing sleeve 11 and a first workpiece placing sleeve 12, a first through hole 13 which penetrates through the first fixing sleeve 11 vertically is formed in the middle of the first fixing sleeve 11, a second through hole 14 which penetrates through the first fixing sleeve vertically is formed in the middle of the first workpiece placing sleeve 12, a first connecting internal thread is formed in the inner wall of the middle lower portion of the first through hole 13, a first connecting external thread is formed in the outer wall of the middle upper portion of the first workpiece placing sleeve 12, and the first connecting internal thread is connected with the first connecting external thread in a matched mode to detachably arrange the first fixing sleeve 11 on the first workpiece placing sleeve 12;
the inner wall of the middle upper part of the first through hole 13 is provided with a circular ring-shaped first compression plate 15, and the inner wall of the second through hole 14 is provided with a circular ring-shaped first workpiece placement horizontal step surface 16.
As shown in fig. 1 and 2, when turning the inner hole of the thin-wall bushing 5, firstly, the thin-wall bushing 5 is placed on the first workpiece placement horizontal step surface 16, then the first fixing sleeve 11 is sleeved on the first workpiece placement sleeve 12, and the first fixing sleeve 11 is rotated to enable the first compacting plate 15 to compact the thin-wall bushing 5, so that the thin-wall bushing 5 can be machined.
In order to ensure the uniformity of the stress of the parts during the processing of the thin-wall bushing 5, a first through hole 13 is arranged in the middle of the first fixing sleeve 11, and a second through hole 14 is arranged in the middle of the first workpiece placing sleeve 12.
In order to improve the qualification rate of the turning of the outer circle of the thin-wall bushing 5, the utility model is also provided with a tool 2 for turning the outer circle of the thin-wall bushing, as shown in fig. 3 and 4, the tool 2 for turning the outer circle of the thin-wall bushing comprises a cylindrical first workpiece placing column 21, a connecting upright column 22 and a circular second fixing sleeve 23, the outer wall of the first workpiece placing column 21 is provided with a circular second workpiece placing horizontal step surface 24, the connecting upright column 22 is arranged on the first workpiece placing column 21, and the connecting upright column is provided with a second connecting external thread; the middle of the second fixing sleeve 23 is provided with a third through hole which penetrates up and down, the inner wall of the third through hole is provided with a second connecting internal thread, and the second connecting internal thread is connected with the second connecting external thread in a matching way to detachably arrange the second fixing sleeve 23 on the connecting upright post 22.
When the outer circle of the thin-wall bushing 5 is turned, the thin-wall bushing 5 is firstly placed on the horizontal step surface 24 of the second workpiece, then the second fixing sleeve 23 is sleeved on the connecting upright post 22, and the second fixing sleeve 23 is rotated to compress the thin-wall bushing 5, so that the thin-wall bushing 5 can be machined.
In order to ensure the uniformity of the stress of the parts during the processing of the thin-walled bushing 5, the connecting upright 22 is arranged in the middle of the first workpiece placement column 21, and the third through hole is arranged in the middle of the second fixing sleeve 23.
In order to improve the qualification rate of the inner hole grinding of the thin-wall bushing 5, the utility model also provides a tool 3 for grinding the inner hole of the thin-wall bushing, as shown in fig. 5 and 6, the tool 3 for grinding the inner hole of the thin-wall bushing comprises a third workpiece placing sleeve 31 and a fixing piece 32, a fourth through hole 33 which penetrates through the cylinder vertically is arranged in the middle of the third workpiece placing sleeve 31, and a circular third workpiece placing horizontal step surface 34 is arranged on the inner wall of the fourth through hole 33; the fixing member 32 includes a pressing screw and a second pressing plate, the top of the third workpiece placement sleeve 31 is provided with a pressing screw hole, the second pressing plate is provided with a via hole, and the pressing screw sequentially passes through the via hole and the pressing screw hole to detachably arrange the second pressing plate on the third workpiece placement sleeve 31.
When the inner hole of the thin-wall bushing 5 is ground, firstly, the thin-wall bushing 5 is placed on the horizontal step surface 34 for placing the third workpiece, then, the compression screw sequentially penetrates through the through hole and the compression screw hole to be arranged, and the second compression plate is rotated to compress the thin-wall bushing 5 for processing.
In order to ensure the uniformity of the stress of the parts during the processing of the thin-wall bushing 5, the number of the fixing pieces 32 is 4, the 4 fixing pieces 32 are uniformly distributed in the circumferential direction of the fourth through hole 33, and the fourth through hole 33 is arranged in the middle of the third workpiece placement sleeve 31.
In order to improve the qualification rate of the cylindrical grinding of the thin-wall bushing 5, the utility model is also provided with a cylindrical tool 4 for grinding the cylindrical bushing, as shown in fig. 7 and 8, the cylindrical tool 4 for grinding the cylindrical bushing comprises a cylindrical second workpiece placing column 41, an upper connecting column 42, a lower connecting column 43, a cylindrical upper pressing plate 44, a cylindrical lower pressing plate 45, an upper tightening nut 46 and a lower tightening nut 47, wherein the upper connecting column 42 is connected and arranged above the second workpiece placing column 41, and the lower connecting column 43 is connected and arranged below the second workpiece placing column 41;
the middle of the upper pressing plate 44 is provided with a second via hole, the middle of the lower pressing plate 45 is provided with a third via hole, the upper pressing plate 44 is sleeved on the upper connecting column 42 through the second via hole, and the lower pressing plate 45 is sleeved on the lower connecting column 43 through the third via hole;
the outer wall of the upper connecting column 42 is provided with a third connecting external thread, an upper tightening nut 46 is sleeved on the upper connecting column 42 through threads, the upper tightening nut 46 is positioned above the upper pressing plate 44, the outer wall of the lower connecting column 43 is provided with a fourth connecting external thread, a lower tightening nut 47 is sleeved on the lower connecting column 43 through threads, and the upper tightening nut 46 is positioned below the lower pressing plate 45;
the diameter of the cross-sectional circle of the upper platen 44 is larger than that of the cross-sectional circle of the second workpiece placement post 41, and the diameter of the cross-sectional circle of the lower platen 45 is larger than that of the cross-sectional circle of the second workpiece placement post 41.
When the cylindrical grinding of the thin-wall bushing 5 is carried out, firstly, the thin-wall bushing 5 is sleeved on the second workpiece placing column 41 and is placed on the lower pressing plate 45, then, the upper pressing plate 44 and the upper tightening nut 46 are sleeved on the upper connecting column 42, and the upper tightening nut 46 is rotated, so that the thin-wall bushing can be clamped by the upper pressing plate 44 for processing.
To increase the holding force, a spacer 48 is provided between the upper tightening nut 46 and the lower platen 45.
To facilitate rotation of the tightening nut 46, a handle 49 is provided on the tightening nut 46.
In summary, the tool 1 for turning the inner hole of the thin-wall bushing, the tool 2 for turning the outer circle of the thin-wall bushing, the tool 3 for grinding the inner hole of the thin-wall bushing and the tool 4 for grinding the outer circle of the thin-wall bushing are all tools specially used for machining the thin-wall bushing 5, and during machining, the thin-wall bushing 5 is in surface contact with each tool, so that the clamping effect of the thin-wall bushing 5 is improved, the uniformity of the stress of the part during machining of the thin-wall bushing 5 is improved, the deformation of the part can be controlled better, and the qualification rate of machining of the thin-wall bushing 5 is improved.
Claims (9)
1. A processing frock for thin wall bush, including turning thin wall bush hole frock (1), its characterized in that: the tool (1) for turning the inner hole of the thin-wall bushing comprises a first fixed sleeve (11) and a first workpiece placement sleeve (12), wherein a first through hole (13) which penetrates through the cylinder vertically is formed in the middle of the first fixed sleeve (11), a second through hole (14) which penetrates through the cylinder vertically is formed in the middle of the first workpiece placement sleeve (12), first connecting internal threads are formed in the inner wall of the middle lower portion of the first through hole (13), first connecting external threads are formed in the outer wall of the middle upper portion of the first workpiece placement sleeve (12), and the first connecting internal threads are connected with the first connecting external threads in a matched mode to enable the first fixed sleeve (11) to be detachably arranged on the first workpiece placement sleeve (12);
the inner wall of the middle upper part of the first through hole (13) is provided with a circular ring-shaped first compression plate (15), and the inner wall of the second through hole (14) is provided with a circular ring-shaped first workpiece placement horizontal step surface (16).
2. The tooling for thin-walled bushings of claim 1 wherein: the first through hole (13) is arranged in the middle of the first fixed sleeve (11), and the second through hole (14) is arranged in the middle of the first workpiece placement sleeve (12).
3. The tooling for thin-walled bushings of claim 1 wherein: the fixture comprises a first workpiece placing column (21), a connecting column (22) and a circular second fixing sleeve (23), wherein a circular second workpiece placing horizontal step surface (24) is arranged on the outer wall of the first workpiece placing column (21), the connecting column (22) is arranged on the first workpiece placing column (21), and a second connecting external thread is arranged on the connecting column;
the middle of the second fixing sleeve (23) is provided with a third through hole which penetrates up and down, the inner wall of the third through hole is provided with a second connecting internal thread, and the second connecting internal thread is connected with the second connecting external thread in a matching way to detachably arrange the second fixing sleeve (23) on the connecting upright post (22).
4. A tooling for thin-walled bushings as claimed in claim 3 wherein: the connecting upright post (22) is arranged in the middle of the first workpiece placement post (21), and the third through hole is arranged in the middle of the second fixing sleeve (23).
5. The tooling for thin-walled bushings of claim 1 wherein: the grinding thin-wall bushing inner hole fixture comprises a grinding thin-wall bushing inner hole fixture body (3), wherein the grinding thin-wall bushing inner hole fixture body (3) comprises a third workpiece placement sleeve (31) and a fixing piece (32), a fourth through hole (33) which penetrates through the cylinder vertically is formed in the middle of the third workpiece placement sleeve (31), and a circular ring-shaped third workpiece placement horizontal step surface (34) is formed in the inner wall of the fourth through hole (33);
the mounting (32) is provided with the compress tightly the screw including compress tightly the screw and second pressure strip, the top of sleeve (31) is placed to the third work piece, is provided with the via hole on the second pressure strip, and compress tightly the screw and pass the via hole in proper order, compress tightly the screw and with the second pressure strip detachable setting on sleeve (31) is placed to the third work piece.
6. The tooling for thin-walled bushings of claim 5 wherein: the number of the fixing pieces (32) is 4, and the 4 fixing pieces (32) are uniformly distributed on the circumferential direction of the fourth through hole (33);
the fourth through hole (33) is provided in the middle of the third work placement sleeve (31).
7. A tooling for thin-walled bushings as claimed in any of claims 1 to 6 wherein: the grinding thin-wall bushing excircle tool comprises a grinding thin-wall bushing excircle tool body (4), wherein the grinding thin-wall bushing excircle tool body (4) comprises a cylindrical second workpiece placing column (41), an upper connecting column (42), a lower connecting column (43), a cylindrical upper pressing plate (44), a cylindrical lower pressing plate (45), an upper tightening nut (46) and a lower tightening nut (47), the upper connecting column (42) is connected and arranged above the second workpiece placing column (41), and the lower connecting column (43) is connected and arranged below the second workpiece placing column (41);
the middle of the upper pressing plate (44) is provided with a second via hole, the middle of the lower pressing plate (45) is provided with a third via hole, the upper pressing plate (44) is sleeved on the upper connecting column (42) through the second via hole, and the lower pressing plate (45) is sleeved on the lower connecting column (43) through the third via hole;
the outer wall of the upper connecting column (42) is provided with a third connecting external thread, an upper tightening nut (46) is sleeved on the upper connecting column (42) through threads, the upper tightening nut (46) is positioned above the upper pressing plate (44), the outer wall of the lower connecting column (43) is provided with a fourth connecting external thread, a lower tightening nut (47) is sleeved on the lower connecting column (43) through threads, and the upper tightening nut (46) is positioned below the lower pressing plate (45);
the diameter of the cross-section circle of the upper pressing plate (44) is larger than that of the cross-section circle of the second workpiece placement column (41), and the diameter of the cross-section circle of the lower pressing plate (45) is larger than that of the cross-section circle of the second workpiece placement column (41).
8. The tooling for thin-walled bushings of claim 7 wherein: a gasket (48) is arranged between the upper tightening nut (46) and the lower pressing disc (45).
9. The tooling for thin-walled bushings of claim 7 wherein: a handle (49) is arranged on the upper tightening nut (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322226888.8U CN220533546U (en) | 2023-08-18 | 2023-08-18 | Machining tool for thin-wall bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322226888.8U CN220533546U (en) | 2023-08-18 | 2023-08-18 | Machining tool for thin-wall bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220533546U true CN220533546U (en) | 2024-02-27 |
Family
ID=89974125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322226888.8U Active CN220533546U (en) | 2023-08-18 | 2023-08-18 | Machining tool for thin-wall bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220533546U (en) |
-
2023
- 2023-08-18 CN CN202322226888.8U patent/CN220533546U/en active Active
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