CN111376170A - Machining device for deep hole high-precision sealing surface - Google Patents
Machining device for deep hole high-precision sealing surface Download PDFInfo
- Publication number
- CN111376170A CN111376170A CN201911135668.6A CN201911135668A CN111376170A CN 111376170 A CN111376170 A CN 111376170A CN 201911135668 A CN201911135668 A CN 201911135668A CN 111376170 A CN111376170 A CN 111376170A
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- China
- Prior art keywords
- cylinder
- pin rod
- deep
- sleeve
- deep hole
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/02—Lapping machines or devices; Accessories designed for working surfaces of revolution
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/34—Accessories
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
A processing device for a deep hole high-precision sealing surface comprises a sleeve and a pin rod, wherein the sleeve is T-shaped, the middle part of the bottom surface is provided with a cylinder which protrudes outwards, the outer diameter of the cylinder is matched with the inner diameter of a deep hole to be processed, the bottom surface is provided with two mounting holes which are symmetrical to the cylinder, the diameter of the pin rod is matched with the inner diameter of the cylinder, the upper end of the pin rod is provided with knurls along the outer wall, the lower end of the pin rod is provided with a boss, the size of the boss is matched with the size of a deep hole sealing surface to be processed, the boss is a grinding surface, after the processing device is used for processing, the processing deformation of a part hole is greatly improved, the qualification rate of the part is improved, the size precision is greatly improved while the processing preparation time is greatly reduced, the technical requirement of 100% coloring of the end surface of the part can, the processing performance of the casing is improved.
Description
Technical Field
The invention belongs to the technology of machining and manufacturing lubricating oil accessory parts of an aircraft engine, and particularly relates to a machining device for a deep-hole high-precision sealing surface.
Background
The valve seat of the lubricating oil accessory of a certain machine is unqualified in coloring, and the verticality and the planeness of the bottom surface of the valve of the lubricating oil accessory and a hole are found to be unqualified in the assembling process, as shown in figures 4-5, the bottom surface of the valve seat of the part is matched with another part to perform an oil sealing function in the machining process, so that the planeness is inspected in coloring, the flatness needs to be vertical to the central line of the hole, and the machining and the measurement are very difficult, so that a machining tool special for machining the sealing surface is urgently needed to be provided.
Disclosure of Invention
In order to solve the technical problem, the invention provides a processing device for a deep hole high-precision sealing surface, which can realize high-precision processing of the deep hole sealing surface when a part is processed.
The invention is realized by the following technical scheme.
The invention provides a processing device for a deep hole high-precision sealing surface, which comprises a sleeve and a pin rod, wherein the sleeve is T-shaped, the middle part of the bottom surface is provided with a cylinder which protrudes outwards, the outer diameter of the cylinder is adapted to the inner diameter of a deep hole to be processed, the bottom surface is provided with two mounting holes which are symmetrical to the cylinder, and the sleeve can be fixed on a deep hole part to be processed through the mounting holes when working;
the diameter of the pin rod is matched with the inner diameter of the cylinder, knurls are arranged at the upper end of the pin rod along the outer wall, a boss is arranged at the lower end of the pin rod, the size of the boss is matched with the size of a deep hole sealing surface to be processed, and the boss is a grinding surface; when the grinding tool is used, the sleeve is sleeved in a hole to be machined, then the sleeve is fixed on the surface of a part through the mounting hole, the pin rod is inserted into the cylinder, the table surface of the boss of the pin rod is in contact with the sealing surface in the hole, and finally the sealing surface is ground through rotating the pin rod to meet the machining requirement.
Furthermore, the length of the pin rod is 10-15mm greater than the depth of the deep hole to be processed.
Further, the width of the knurls is 10-15 mm.
Further, the thickness of the cylinder is 3 mm.
Further, the pin rod and the cylinder are in clearance fit.
Further, the length of the sleeve is 25-30 mm.
The invention has the beneficial effects that: the processing device is simple in structure, convenient to operate and good in stability, after the processing device is used for processing, the processing deformation of the part hole is improved to a great extent, the qualified rate of the part is improved, the size precision is greatly improved while the processing preparation time is greatly reduced, the technical requirement that the end face of the part is colored by 100% can be met, the processing device can be popularized and applied to processing the parts of the same type of other machine types, the processing performance of a machine box is improved, and the high-quality manufacturing and processing of large-size and deep-hole high-precision sealing surface parts in civil high-thrust engines and gas turbines can be effectively promoted.
Drawings
FIG. 1 is a schematic cross-sectional view of the sleeve construction of the present invention;
FIG. 2 is a view of the invention from the direction A of FIG. 1;
FIG. 3 is a schematic view of the pin configuration of the present invention;
FIG. 4 is a schematic structural diagram of a part to be machined according to the present invention;
FIG. 5 is a view of the invention from the direction B of FIG. 4;
in the figure: 1-sleeve, 11-cylinder, 12-mounting hole, 2-pin rod, 21-knurling, 22-table surface, 10-part sealing surface.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1-5, a processing device for a deep hole high-precision sealing surface comprises a sleeve 1 and a pin rod 2, wherein the sleeve 1 is T-shaped, the middle part of the bottom surface is provided with a cylinder 11 protruding outwards, the outer diameter of the cylinder 11 is adapted to the inner diameter of a deep hole to be processed, the bottom surface is provided with two mounting holes 12 symmetrical to the cylinder 11, and the sleeve 11 can be fixed on a deep hole part to be processed through the mounting holes 12 during operation;
the diameter of the pin rod 2 is matched with the inner diameter of the cylinder 11, the upper end of the pin rod is provided with knurls 21 along the outer wall, the lower end of the pin rod is provided with a boss, the size of a table top 22 of the boss is matched with the size of a deep hole sealing surface to be processed, and the table top 22 of the boss is a grinding surface; when the processing tool is used, the sleeve 1 is sleeved in a hole to be processed, then the sleeve is fixed on the surface of a part through the mounting hole 12, the pin rod 2 is inserted into the cylinder 11, the table-board 22 of the boss of the pin rod 2 is in contact with the sealing surface 10 of the part in the hole, and finally the sealing surface 10 of the part is ground by rotating the pin rod 2 to meet the processing requirement.
Further, the length of the pin rod 2 is 10-15mm greater than the depth of a deep hole to be processed.
Further, the width of the knurls 21 is 10-15 mm.
Further, the thickness of the cylinder 11 is 3 mm.
Further, the pin rod 2 is in clearance fit with the cylinder 11.
Further, the length of the sleeve 1 is 25-30 mm.
Since the required technical finish of the bottom hole part sealing surface 10 is 0.8 and 100% of the coloration is not interrupted, the end surface is ground for processing. The perpendicularity between the sleeve 1 and the sealing surface of a part is not more than 0.015, the pin rod 2 is made of cast iron, and the sleeve 1 is made of No. 45 steel.
Claims (6)
1. The utility model provides a processingequipment for sealed face of deep hole high accuracy which characterized in that: the sleeve is T-shaped, the middle of the bottom surface is provided with a cylinder which protrudes outwards, the outer diameter of the cylinder is matched with the inner diameter of a deep hole to be processed, the bottom surface is provided with two mounting holes which are symmetrical to the cylinder, and the sleeve can be fixed on a deep hole part to be processed through the mounting holes when the sleeve works;
the diameter size of the pin rod is matched with the inner diameter size of the cylinder, knurls are arranged at the upper end of the pin rod along the outer wall, a boss is arranged at the lower end of the pin rod, the size of the boss is matched with the size of a deep hole sealing surface to be processed, and the boss is a grinding surface.
2. The machining apparatus for deep-hole high-precision seal surfaces according to claim 1, characterized in that: the length of the pin rod is 10-15mm greater than the depth of the deep hole to be processed.
3. The machining apparatus for deep-hole high-precision seal surfaces according to claim 1, characterized in that: the width of the knurls is 10-15 mm.
4. The machining apparatus for deep-hole high-precision seal surfaces according to claim 1, characterized in that: the thickness of the cylinder is 3 mm.
5. The machining apparatus for deep-hole high-precision seal surfaces according to claim 1, characterized in that: the pin rod is in clearance fit with the cylinder.
6. The machining apparatus for deep-hole high-precision seal surfaces according to claim 1, characterized in that: the length of the sleeve is 25-30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911135668.6A CN111376170A (en) | 2019-11-19 | 2019-11-19 | Machining device for deep hole high-precision sealing surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911135668.6A CN111376170A (en) | 2019-11-19 | 2019-11-19 | Machining device for deep hole high-precision sealing surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111376170A true CN111376170A (en) | 2020-07-07 |
Family
ID=71219639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911135668.6A Pending CN111376170A (en) | 2019-11-19 | 2019-11-19 | Machining device for deep hole high-precision sealing surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111376170A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113977363A (en) * | 2021-11-22 | 2022-01-28 | 中国航发贵州黎阳航空动力有限公司 | Method for processing high-precision flatness and high-grade roughness plane |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1119830A1 (en) * | 1983-08-03 | 1984-10-23 | Центральный Научно-Исследовательский И Конструкторский Институт Топливной Аппаратуры Автотракторных И Стационарных Двигателей | Lapping tool for finishing cylindrical bores |
| CN201537849U (en) * | 2009-07-22 | 2010-08-04 | 中国广东核电集团有限公司 | Valve seat grinding tool |
| CN102494326A (en) * | 2011-11-28 | 2012-06-13 | 中国核工业二三建设有限公司 | Method for overhauling observation hole of steam generator and tool used |
| CN105215836A (en) * | 2015-10-06 | 2016-01-06 | 周家全 | A kind of cylinder of diesel engine hole processing device and process thereof |
| CN204997505U (en) * | 2015-09-22 | 2016-01-27 | 中航商用航空发动机有限责任公司 | Sealed face repairing tool |
| CN207239943U (en) * | 2017-07-27 | 2018-04-17 | 上海罗富蒂曼控制工程股份有限公司 | A kind of prosthetic device for shut-off valve |
-
2019
- 2019-11-19 CN CN201911135668.6A patent/CN111376170A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1119830A1 (en) * | 1983-08-03 | 1984-10-23 | Центральный Научно-Исследовательский И Конструкторский Институт Топливной Аппаратуры Автотракторных И Стационарных Двигателей | Lapping tool for finishing cylindrical bores |
| CN201537849U (en) * | 2009-07-22 | 2010-08-04 | 中国广东核电集团有限公司 | Valve seat grinding tool |
| CN102494326A (en) * | 2011-11-28 | 2012-06-13 | 中国核工业二三建设有限公司 | Method for overhauling observation hole of steam generator and tool used |
| CN204997505U (en) * | 2015-09-22 | 2016-01-27 | 中航商用航空发动机有限责任公司 | Sealed face repairing tool |
| CN105215836A (en) * | 2015-10-06 | 2016-01-06 | 周家全 | A kind of cylinder of diesel engine hole processing device and process thereof |
| CN207239943U (en) * | 2017-07-27 | 2018-04-17 | 上海罗富蒂曼控制工程股份有限公司 | A kind of prosthetic device for shut-off valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113977363A (en) * | 2021-11-22 | 2022-01-28 | 中国航发贵州黎阳航空动力有限公司 | Method for processing high-precision flatness and high-grade roughness plane |
| CN113977363B (en) * | 2021-11-22 | 2023-09-22 | 中国航发贵州黎阳航空动力有限公司 | Processing method of high-precision planeness and high-grade roughness plane |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20200707 |