CN111140585A - High-temperature supporting plate self-locking nut and processing method thereof - Google Patents
High-temperature supporting plate self-locking nut and processing method thereof Download PDFInfo
- Publication number
- CN111140585A CN111140585A CN201911374602.2A CN201911374602A CN111140585A CN 111140585 A CN111140585 A CN 111140585A CN 201911374602 A CN201911374602 A CN 201911374602A CN 111140585 A CN111140585 A CN 111140585A
- Authority
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- China
- Prior art keywords
- supporting plate
- nut
- temperature
- locking nut
- processing method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003672 processing method Methods 0.000 title claims abstract description 12
- 239000006104 solid solution Substances 0.000 claims abstract description 11
- 238000007747 plating Methods 0.000 claims abstract description 6
- 229910052709 silver Inorganic materials 0.000 claims abstract description 6
- 239000004332 silver Substances 0.000 claims abstract description 6
- 238000004381 surface treatment Methods 0.000 claims abstract description 6
- 230000001550 time effect Effects 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 6
- 238000003754 machining Methods 0.000 claims description 6
- 238000010079 rubber tapping Methods 0.000 claims description 6
- 238000005488 sandblasting Methods 0.000 claims description 6
- 230000032683 aging Effects 0.000 claims description 4
- 230000007547 defect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 239000000314 lubricant Substances 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000011900 installation process Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B33/00—Features common to bolt and nut
- F16B33/06—Surface treatment of parts furnished with screw-thread, e.g. for preventing seizure or fretting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Coating With Molten Metal (AREA)
Abstract
The invention provides a high-temperature supporting plate self-locking nut and a processing method thereof. The high-temperature supporting plate self-locking nut and the processing method thereof improve the production efficiency, ensure the size consistency of products and stabilize the quality of parts; the inner hole of the thread is stretched for multiple times, so that the consumption of a cutter and the labor cost are reduced; the locking performance of the product is met through the solid solution and time effect treatment; the surface treatment adopts silver plating on the surface of the internal thread to prevent the nut and the bolt from being seized in the installation process; the false moment phenomenon caused by the phenomenon of seizure during over-installation and middle-operation is effectively prevented, and the occurrence of safety accidents is avoided.
Description
Technical Field
The invention relates to the technical field of self-locking nut processing, in particular to a high-temperature supporting plate self-locking nut and a processing method thereof.
Background
The self-locking nut is generally used at high-temperature-resistant and high-strength connecting parts of aviation, aerospace, ships, high-speed rails and the like, has high yield strength, lasting strength and creep strength, has good processing plasticity and welding performance, and is convenient to mount and dismount quickly. At present, the domestic production process usually adopts the processing modes of turning and upsetting. The processing mode has the defects of low processing efficiency, high labor cost, high cutter consumption, poor product consistency and the like. Meanwhile, parts machined from common materials cannot meet the heat generated by the aircraft flying in the atmosphere, are easy to damage and inconvenient to replace, and have hidden dangers in the actual installation process of the engine.
Disclosure of Invention
In view of the above, the invention aims to provide a high-temperature supporting plate self-locking nut and a processing method thereof, which improve the production efficiency, ensure the size consistency of products and stabilize the quality of parts.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the high-temperature supporting plate self-locking nut comprises a supporting plate and a nut, wherein the supporting plate is in a special-shaped cylindrical shape, the nut is located at the center of the supporting plate, mounting holes are further formed in the supporting plate, and the mounting holes are symmetrically formed in two sides of the nut.
The processing method of the self-locking nut of the temperature supporting plate comprises the following steps:
1) preparing materials: selecting a high-temperature-bonding GH2132(A286) plate and a processing mold;
2) blanking: blanking the plate selected in the step 1) according to the specification and the requirement of a mould;
3) stretching: performing stretch forming for multiple times according to the shape of a product, adding a lubricant to prevent demoulding and protect the surface of a part;
4) machining: ensuring the size through machining;
5) wire cutting: the inner side of the nut 2) is evenly cut with 6 grooves;
6) tapping: tapping the internal thread of the nut 2) for multiple times by using a screw tap;
7) the method comprises the following steps: the detection size meets the requirement;
8) closing: the nut 2) is subjected to full-circle closing, and the use frequency is ensured to be 1000;
9) and (3) heat treatment: carrying out solid solution time effect treatment: the solid solution temperature is 890-910 ℃, the time is 60min, and oil cooling is adopted; the aging temperature is 700-;
10) sand blasting: removing the oxide layer by sand blasting;
11) flaw detection: detecting whether defects such as cracks exist or not;
12) surface treatment: plating silver on the surface;
13) and (4) checking: and carrying out size and appearance inspection according to the product requirements.
Compared with the prior art, the high-temperature supporting plate self-locking nut and the processing method thereof have the following advantages:
the supporting plate self-locking nut is formed by stretching a solid solution plate, so that the production efficiency is improved, the size consistency of a product is ensured, and the quality of a part is stable;
the inner hole of the thread is stretched for multiple times, so that the consumption of a cutter and the labor cost are reduced;
thirdly, the locking performance of the product is met through solid solution and aging treatment;
the surface treatment adopts silver plating on the surface of the internal thread to prevent the nut and the bolt from being seized in the installation process; the false moment phenomenon caused by the phenomenon of seizure during over-installation and middle-operation is effectively prevented, and the occurrence of safety accidents is avoided.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a high temperature pallet self-locking nut according to the present invention;
fig. 2 is a schematic top view of a high-temperature pallet self-locking nut according to the present invention.
Description of reference numerals:
1-supporting plate and 2-nut.
Detailed Description
The high-temperature supporting plate self-locking nut comprises a supporting plate 1 and a nut 2, wherein the supporting plate 1 is in a special-shaped cylindrical shape, the nut 2 is located at the center of the supporting plate 1, mounting holes are further formed in the supporting plate 1, and the mounting holes are symmetrically formed in two sides of the nut 2.
The processing method of the self-locking nut of the temperature supporting plate comprises the following steps:
1) preparing materials: selecting a high-temperature-bonding GH2132(A286) plate and a processing mold;
2) blanking: blanking the plate selected in the step 1) according to the specification and the requirement of a mould;
3) stretching: performing stretch forming for multiple times according to the shape of a product, adding a lubricant to prevent demoulding and protect the surface of a part;
4) machining: ensuring the size through machining;
5) wire cutting: the inner side of the nut 2) is evenly cut with 6 grooves;
6) tapping: tapping the internal thread of the nut 2) for multiple times by using a screw tap;
7) the method comprises the following steps: the detection size meets the requirement;
8) closing: the nut 2) is subjected to full-circle closing, and the use frequency is ensured to be 1000;
9) and (3) heat treatment: carrying out solid solution time effect treatment: the solid solution temperature is 890-910 ℃, the time is 60min, and oil cooling is adopted; the aging temperature is 700-;
10) sand blasting: removing the oxide layer by sand blasting;
11) flaw detection: detecting whether defects such as cracks exist or not;
12) surface treatment: plating silver on the surface;
13) and (4) checking: and carrying out size and appearance inspection according to the product requirements.
According to the high-temperature supporting plate self-locking nut and the processing method thereof, the supporting plate self-locking nut is formed by stretching a solid solution plate, so that the production efficiency is improved, the size consistency of products is ensured, and the quality of parts is stable; the inner hole of the thread is stretched for multiple times, so that the consumption of a cutter and the labor cost are reduced; the locking performance of the product is met through the solid solution and time effect treatment; the surface treatment adopts silver plating on the surface of the internal thread to prevent the nut and the bolt from being seized in the installation process; the false moment phenomenon caused by the phenomenon of seizure during over-installation and middle-operation is effectively prevented, and the occurrence of safety accidents is avoided.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (2)
1. The utility model provides a high temperature layer board self-locking nut which characterized in that: the supporting plate is characterized by comprising a supporting plate (1) and nuts (2), wherein the supporting plate (1) is in a special-shaped cylindrical shape, the nuts (2) are located at the center of the supporting plate (1), mounting holes are further formed in the supporting plate (1), and the mounting holes are symmetrically formed in two sides of the nuts (2).
2. The processing method of the high-temperature supporting plate self-locking nut as claimed in claim 1, wherein the processing method comprises the following steps: the method comprises the following steps:
1) preparing materials: selecting a high-temperature-bonding GH2132(A286) plate and a processing mold;
2) blanking: blanking the plate selected in the step 1) according to the specification and the requirement of a mould;
3) stretching: performing stretch forming for multiple times according to the shape of a product, adding a lubricant to prevent demoulding and protect the surface of a part;
4) machining: ensuring the size through machining;
5) wire cutting: the inner side of the nut 2) is evenly cut with 6 grooves;
6) tapping: tapping the internal thread of the nut 2) for multiple times by using a screw tap;
7) the method comprises the following steps: the detection size meets the requirement;
8) closing: the nut 2) is subjected to full-circle closing, and the use frequency is ensured to be 1000;
9) and (3) heat treatment: carrying out solid solution time effect treatment: the solid solution temperature is 890-910 ℃, the time is 60min, and oil cooling is adopted; the aging temperature is 700-;
10) sand blasting: removing the oxide layer by sand blasting;
11) flaw detection: detecting whether defects such as cracks exist or not;
12) surface treatment: plating silver on the surface;
13) and (4) checking: and carrying out size and appearance inspection according to the product requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911374602.2A CN111140585A (en) | 2019-12-27 | 2019-12-27 | High-temperature supporting plate self-locking nut and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911374602.2A CN111140585A (en) | 2019-12-27 | 2019-12-27 | High-temperature supporting plate self-locking nut and processing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111140585A true CN111140585A (en) | 2020-05-12 |
Family
ID=70520762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911374602.2A Pending CN111140585A (en) | 2019-12-27 | 2019-12-27 | High-temperature supporting plate self-locking nut and processing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111140585A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606236A (en) * | 2021-08-23 | 2021-11-05 | 航天精工股份有限公司 | Novel supporting plate self-locking nut with excellent locking performance |
| CN113798798A (en) * | 2021-09-30 | 2021-12-17 | 中国航空工业标准件制造有限责任公司 | Preparation method of high-temperature-resistant lock nut for commercial automobile |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101033769A (en) * | 2007-04-12 | 2007-09-12 | 上海天宝紧固件制造有限公司 | Special-shaped anti-removing nut and manufacture method thereof |
| CN201386726Y (en) * | 2009-03-06 | 2010-01-20 | 东莞大朗金准电器厂 | Stretching retaining nut |
| JP5822043B1 (en) * | 2015-04-14 | 2015-11-24 | 有限会社新城製作所 | Piercing nut manufacturing apparatus and piercing nut manufacturing method |
| CN108980187A (en) * | 2018-08-06 | 2018-12-11 | 合肥岑遥新材料科技有限公司 | A kind of automobile firmware with efficient fixed function |
| CN110253222A (en) * | 2019-06-18 | 2019-09-20 | 贵州精立航太科技有限公司 | A kind of high temperature supporting plate self-lock nut processing technology |
-
2019
- 2019-12-27 CN CN201911374602.2A patent/CN111140585A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101033769A (en) * | 2007-04-12 | 2007-09-12 | 上海天宝紧固件制造有限公司 | Special-shaped anti-removing nut and manufacture method thereof |
| CN201386726Y (en) * | 2009-03-06 | 2010-01-20 | 东莞大朗金准电器厂 | Stretching retaining nut |
| JP5822043B1 (en) * | 2015-04-14 | 2015-11-24 | 有限会社新城製作所 | Piercing nut manufacturing apparatus and piercing nut manufacturing method |
| CN108980187A (en) * | 2018-08-06 | 2018-12-11 | 合肥岑遥新材料科技有限公司 | A kind of automobile firmware with efficient fixed function |
| CN110253222A (en) * | 2019-06-18 | 2019-09-20 | 贵州精立航太科技有限公司 | A kind of high temperature supporting plate self-lock nut processing technology |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606236A (en) * | 2021-08-23 | 2021-11-05 | 航天精工股份有限公司 | Novel supporting plate self-locking nut with excellent locking performance |
| CN113798798A (en) * | 2021-09-30 | 2021-12-17 | 中国航空工业标准件制造有限责任公司 | Preparation method of high-temperature-resistant lock nut for commercial automobile |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Room 2-103, Warner Jinghu Garden, Dongli District, Tianjin Applicant after: Establishment of Aviation Co., Ltd Address before: Room 2-103, Warner Jinghu Garden, Dongli District, Tianjin Applicant before: CHENGLI AVIATION TECHNOLOGY Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200512 |
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| RJ01 | Rejection of invention patent application after publication |