CN110131280A - A high-precision and high-efficiency nut and its forming technology - Google Patents
A high-precision and high-efficiency nut and its forming technology Download PDFInfo
- Publication number
- CN110131280A CN110131280A CN201910529503.0A CN201910529503A CN110131280A CN 110131280 A CN110131280 A CN 110131280A CN 201910529503 A CN201910529503 A CN 201910529503A CN 110131280 A CN110131280 A CN 110131280A
- Authority
- CN
- China
- Prior art keywords
- nut
- efficiency
- idiosome
- accuracy high
- locking
- 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
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Classifications
-
- 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
- F16B37/00—Nuts or like thread-engaging members
- F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
- F16B37/06—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting
- F16B37/062—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting by means of riveting
- F16B37/065—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting by means of riveting by deforming the material of the nut
-
- 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
- F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
本发明公开了一种高精度高效螺母，包括螺母本体，所述螺母本体内部设有螺纹孔，所述螺母本体上设有定位部，所述定位部左侧设有防松部，所述防松部左侧设有翻铆部，所述定位部、防松部和翻铆部为一体式设计，本发明还公开了一种高精度高效螺母的成型技术，包括如下步骤：A)备料、B)螺母胚料预处理、C)攻牙、D)抛光和除毛刺、E)收口、F)时效、G)退火、H)表面处理和探伤、I)包装存储，与现有技术相比，本发明结构简单，设计合理，安装便捷，连接精度高，铆接效果好，具有良好的防松性能和防螺母自转性能，生产成本低廉，工艺简单，值得推广。
The invention discloses a high-precision and high-efficiency nut, which comprises a nut body, a threaded hole is arranged inside the nut body, a positioning part is arranged on the nut body, an anti-loosening part is arranged on the left side of the positioning part, and an anti-loosening part is arranged on the left side of the positioning part. On the left side of the loose part, there is a turning riveting part. The positioning part, the anti-loosening part and the turning riveting part are designed in one piece. The invention also discloses a high-precision and high-efficiency nut forming technology, which includes the following steps: A) preparing materials, B) nut blank pretreatment, C) tapping, D) polishing and deburring, E) closing, F) aging, G) annealing, H) surface treatment and flaw detection, I) packaging storage, compared with the prior art , the present invention has the advantages of simple structure, reasonable design, convenient installation, high connection precision, good riveting effect, good anti-loosening performance and anti-nut rotation performance, low production cost, simple process, and is worth popularizing.
Description
[technical field]
The present invention relates to technical field of fastening, especially a kind of high-accuracy high-efficiency nut and its forming technique.
[background technique]
In mobile communication equipment, partially-tuned component usually passes through helicitic texture and is connected on radio-frequency structure part.In order to
Reach good connection effect, needs to produce highly accurate helicitic texture on radio-frequency devices.In the prior art, it commonly uses
Manufacturing process be first to manufacture high-precision nut, then nut is fastened on cover board by riveting process.Due to mobile logical
The requirement of the high-precision and high stability of equipment is interrogated, riveting nut will usually have very high dimensional accuracy, and want and cover board
Can very well in conjunction with may be not present riveting gap.It is very multiple in order to reach riveting effect, its structure of existing nut well
It is miscellaneous, so that its production cost is higher, it is therefore necessary to propose a kind of high-accuracy high-efficiency nut and its forming technique.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, a kind of high-accuracy high-efficiency nut and its molding skill are proposed
Art, the configuration of the present invention is simple, rationally, install convenient, connection precision is high for design, and riveting effect is good, has good anti-loosening property
With anti-nut rotation performance, low production cost, simple process is worthy to be popularized.
To achieve the above object, the invention proposes a kind of high-accuracy high-efficiency nut, including nut body, the nut sheets
Internal portion is equipped with threaded hole, and the nut body is equipped with positioning region, is equipped with locking portion, the locking portion on the left of the positioning region
Left side is equipped with and turns over riveting portion, the positioning region, locking portion and turns over riveting portion and designs for integral type.
Preferably, the lateral wall in the locking portion be equipped with locking teeth, the locking teeth be tilted to the right it is toothlike.
Preferably, the root for turning over riveting portion be equipped with several equally distributed reinforcing ribs, the bottom of the reinforcing rib with
Locking portion is connected, and the quantity of the reinforcing rib is at least 4, and the reinforcing rib is the cylinder that top has circular arc.
Preferably, the clamping gasket is rigid stainless steel products, the gripping pad on piece is equipped with the second through-hole, described
Second through-hole is round table-like through-hole.
Preferably, the diameter for turning over riveting portion is 0.6-0.7 times of positioning region, the length for turning over riveting portion is nut sheet
0.35-0.4 times of body entire length.
To achieve the above object, the invention proposes a kind of forming techniques of high-accuracy high-efficiency nut, it is characterised in that: packet
Include following steps:
A it) stocks up: according to client to the size requirements of nut, preparing corresponding nut embryo material；
B) nut embryo material pre-processes: nut embryo material is placed on cold headers and carries out multiple cold-heading, it then will by perforating press
The screw hole of nut embryo material is gone out, and nut idiosome is obtained；
C) tapping: by tooth machining unit, tapping is carried out to the screw hole of nut idiosome, obtains screw hole containing internal thread；
D) polishing and flash removed: the nut idiosome after tapping is placed in deburring device, carries out flash removed technique, then
Nut idiosome is placed in burnishing device, is polished；
E) close up: internal threads carry out bottling technique, so that partial internal thread deforms, so that nut has certainly
Lock performance；
F artificial aging) timeliness: is carried out to nut idiosome；
G it) anneals: local annealing is carried out to the riveting portion of turning over of nut idiosome；
H) be surface-treated and detect a flaw: the oxide layer that nut idiosome surface is generated removes, and then carries out nothing to nut idiosome
Damage flaw detection；
I) packaging storage: it will be after examining, qualified nut is transported to packing device, is packed, and packaging is completed
Afterwards, transport extremely storage point.
Preferably, the step F) in timeliness be solid solution aging, after the solid solution aging, HRC >=42 of nut.
Preferably, the step H) in nondestructive inspection be ultrasonic flaw detection.
Beneficial effects of the present invention: the present invention on nut body by being arranged positioning region, locking portion and the side for turning over riveting portion
Formula, so that this nut has good installation accuracy and anti-rotation performance；It is toothlike locking by being arranged on the outside of locking portion
Tooth and turn over riveting portion root setting reinforcing rib mode, further reduced nut in the rotation possibility in plate；Pass through
The mode of closing in process is set, the shape of the partial threads inside threaded hole is changed, so that this nut is with good self-locking
Performance.
[Detailed description of the invention]
Fig. 1 is a kind of structural scheme of mechanism of high-accuracy high-efficiency nut of the present invention.
Fig. 2 is a kind of top view of high-accuracy high-efficiency nut of the present invention.
Fig. 3 is a kind of scheme of installation of high-accuracy high-efficiency nut of the present invention.
In figure: 1- nut main body, 2- threaded hole, the positioning region 3-, the locking portion 4-, 40- locking teeth, 5- turns over riveting portion, 6- reinforces
Muscle, 7- mounting plate.
[specific embodiment]
Refering to attached drawing, a kind of high-accuracy high-efficiency nut of the present invention, including nut body 1 is equipped with inside the nut body 1
Threaded hole 2, the nut body 1 are equipped with positioning region 3, and locking portion 4, locking 4 left side of portion are equipped on the left of the positioning region 3
Equipped with turning over riveting portion 5, the positioning region 3, locking portion 4 and turns over riveting portion 5 and designed for integral type.
Wherein, the lateral wall in the locking portion 4 is equipped with locking teeth 40, and the locking teeth 40 is the canine tooth being tilted to the right
Shape.
Wherein, the root for turning over riveting portion 5 is equipped with several equally distributed reinforcing ribs 6, the bottom of the reinforcing rib 6 and anti-
Loose portion 4 is connected, and the quantity of the reinforcing rib 6 is at least 4, and the reinforcing rib 6 is the cylinder that top has circular arc.
Wherein, the clamping gasket 3 is rigid stainless steel products, and the clamping gasket 3 is equipped with the second through-hole 30, described
Second through-hole 30 is round table-like through-hole.
Wherein, the diameter for turning over riveting portion 5 is 0.6-0.7 times of positioning region 3, and the length for turning over riveting portion 5 is nut sheet
0.35-0.4 times of 1 entire length of body.
A kind of forming technique of high-accuracy high-efficiency nut, includes the following steps:
A stock: according to client to the size requirements of nut, prepare corresponding nut embryo material；
The pretreatment of B nut embryo material: nut embryo material being placed on cold headers and carries out multiple cold-heading, then passes through perforating press for spiral shell
The screw hole of female embryo material is gone out, and nut idiosome is obtained；
C tapping: by tooth machining unit, tapping is carried out to the screw hole of nut idiosome, obtains screw hole containing internal thread；
D polishing and flash removed: the nut idiosome after tapping is placed in deburring device, carries out flash removed technique, then
Nut idiosome is placed in burnishing device, is polished；
E closes up: internal threads carry out bottling technique, so that partial internal thread deforms, so that nut has certainly
Lock performance；
F timeliness: artificial aging is carried out to nut idiosome；
G annealing: local annealing is carried out to the riveting portion 5 of turning over of nut idiosome；
H) be surface-treated and detect a flaw: the oxide layer that nut idiosome surface is generated removes, and then carries out nothing to nut idiosome
Damage flaw detection；
I) packaging storage: it will be after examining, qualified nut is transported to packing device, is packed, and packaging is completed
Afterwards, transport extremely storage point.
Wherein, the step F) in timeliness be solid solution aging, after the solid solution aging, HRC >=42 of nut.
Wherein, the step H) in nondestructive inspection be ultrasonic flaw detection.
Compared with prior art, the present invention on nut body 1 by being arranged positioning region 3, locking portion 4 and turning over riveting portion 5
Mode, so that this nut has good installation accuracy and anti-rotation performance；It is toothlike anti-by being arranged on the outside of locking portion 4
Loose tooth 40 and turn over 5 root of riveting portion setting reinforcing rib 6 mode, further reduced nut in plate rotation may
Property；In such a way that closing in process is set, the shape of the partial threads inside threaded hole 2 is changed, so that this nut is with good
Good self-locking property.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention
Scheme all belong to the scope of protection of the present invention.
Claims (8)
1. a kind of high-accuracy high-efficiency nut, it is characterised in that: including nut body (1), spiral shell is equipped with inside the nut body (1)
Pit (2), the nut body (1) are equipped with positioning region (3), are equipped with locking portion (4) on the left of the positioning region (3), described anti-
It is equipped with and turns over riveting portion (5) on the left of loose portion (4), the positioning region (3), locking portion (4) and turn over riveting portion (5) and designed for integral type.
2. a kind of high-accuracy high-efficiency nut as described in claim 1, it is characterised in that: on the lateral wall of the locking portion (4)
Equipped with locking teeth (40), the locking teeth (40) be tilted to the right it is toothlike.
3. a kind of high-accuracy high-efficiency nut as described in claim 1, it is characterised in that: the root for turning over riveting portion (5) is equipped with
The bottom of several equally distributed reinforcing ribs (6), the reinforcing rib (6) is connected with locking portion (4), the number of the reinforcing rib (6)
Amount is at least 4, and the reinforcing rib (6) is the cylinder that top has circular arc.
4. a kind of high-accuracy high-efficiency nut as described in claim 1, it is characterised in that: the clamping gasket (3) be rigidity not
Become rusty steel part, and the clamping gasket (3) is equipped with the second through-hole (30), and second through-hole (30) is round table-like through-hole.
5. a kind of high-accuracy high-efficiency nut as described in claim 1, it is characterised in that: the diameter for turning over riveting portion (5) is fixed
0.6-0.7 times of position portion (3), the length for turning over riveting portion (5) are 0.35-0.4 times of nut body (1) entire length.
6. a kind of forming technique of high-accuracy high-efficiency nut, characterized by the following steps:
A it) stocks up: according to client to the size requirements of nut, preparing corresponding nut embryo material；
B) nut embryo material pre-processes: nut embryo material being placed on cold headers and carries out multiple cold-heading, then passes through perforating press for nut
The screw hole of embryo material is gone out, and nut idiosome is obtained；
C) tapping: by tooth machining unit, tapping is carried out to the screw hole of nut idiosome, obtains screw hole containing internal thread；
D) polishing and flash removed: the nut idiosome after tapping is placed in deburring device, flash removed technique is carried out, then by spiral shell
Female idiosome is placed in burnishing device, is polished；
E) close up: internal threads carry out bottling technique, so that partial internal thread deforms, so that nut has self-locking performance
Energy；
F artificial aging) timeliness: is carried out to nut idiosome；
G it) anneals: local annealing is carried out to turn over riveting portion (5) of nut idiosome；
H) be surface-treated and detect a flaw: the oxide layer that nut idiosome surface is generated removes, and then carries out lossless spy to nut idiosome
Wound；
I) packaging storage: it will be after examining, qualified nut is transported to packing device, it is packed, after the completion of packaging, fortune
Transport to storage point.
7. a kind of forming technique of high-accuracy high-efficiency nut as claimed in claim 6, it is characterised in that: the step F) in
Timeliness is solid solution aging, after the solid solution aging, HRC >=42 of nut.
8. a kind of forming technique of high-accuracy high-efficiency nut as claimed in claim 6, it is characterised in that: the step H) in
Nondestructive inspection is ultrasonic flaw detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910529503.0A CN110131280A (en) | 2019-06-19 | 2019-06-19 | A high-precision and high-efficiency nut and its forming technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910529503.0A CN110131280A (en) | 2019-06-19 | 2019-06-19 | A high-precision and high-efficiency nut and its forming technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110131280A true CN110131280A (en) | 2019-08-16 |
Family
ID=67577970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910529503.0A Pending CN110131280A (en) | 2019-06-19 | 2019-06-19 | A high-precision and high-efficiency nut and its forming technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110131280A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040192452A1 (en) * | 2003-03-24 | 2004-09-30 | Bollhoff Otalu S.A. | Manufacturing process of a clinch nut and clinch nut achieved by such a process |
| JP2004316719A (en) * | 2003-04-14 | 2004-11-11 | Cosel Co Ltd | Caulking nut parts and their mounting structure |
| CN202187997U (en) * | 2011-08-01 | 2012-04-11 | 贵州航天精工制造有限公司 | Anti-rotation rivet-turning type self-locking nut |
| CN202348913U (en) * | 2011-10-28 | 2012-07-25 | 贵州航天精工制造有限公司 | Self-locking type rollover rivet nut |
| CN203453249U (en) * | 2013-09-04 | 2014-02-26 | 一浦莱斯精密技术(深圳)有限公司 | Riveting bolt and riveting nut |
| CN204407540U (en) * | 2015-02-11 | 2015-06-17 | 深圳市金顺怡电子有限公司 | The integral structure of nut and terminal |
| CN108406228A (en) * | 2018-01-09 | 2018-08-17 | 深圳航空标准件有限公司 | The manufacture craft and its aluminium riveting nut of the aluminium riveting nut of automobile buffer beam |
| CN108488192A (en) * | 2018-03-26 | 2018-09-04 | 贵州精立航太科技有限公司 | A kind of spindle-type riveting nut and preparation method thereof |
| CN210371568U (en) * | 2019-06-19 | 2020-04-21 | 嘉兴光明五金制品有限公司 | High-precision high-efficiency nut |
-
2019
- 2019-06-19 CN CN201910529503.0A patent/CN110131280A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040192452A1 (en) * | 2003-03-24 | 2004-09-30 | Bollhoff Otalu S.A. | Manufacturing process of a clinch nut and clinch nut achieved by such a process |
| JP2004316719A (en) * | 2003-04-14 | 2004-11-11 | Cosel Co Ltd | Caulking nut parts and their mounting structure |
| CN202187997U (en) * | 2011-08-01 | 2012-04-11 | 贵州航天精工制造有限公司 | Anti-rotation rivet-turning type self-locking nut |
| CN202348913U (en) * | 2011-10-28 | 2012-07-25 | 贵州航天精工制造有限公司 | Self-locking type rollover rivet nut |
| CN203453249U (en) * | 2013-09-04 | 2014-02-26 | 一浦莱斯精密技术(深圳)有限公司 | Riveting bolt and riveting nut |
| CN204407540U (en) * | 2015-02-11 | 2015-06-17 | 深圳市金顺怡电子有限公司 | The integral structure of nut and terminal |
| CN108406228A (en) * | 2018-01-09 | 2018-08-17 | 深圳航空标准件有限公司 | The manufacture craft and its aluminium riveting nut of the aluminium riveting nut of automobile buffer beam |
| CN108488192A (en) * | 2018-03-26 | 2018-09-04 | 贵州精立航太科技有限公司 | A kind of spindle-type riveting nut and preparation method thereof |
| CN210371568U (en) * | 2019-06-19 | 2020-04-21 | 嘉兴光明五金制品有限公司 | High-precision high-efficiency nut |
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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 |
Application publication date: 20190816 |
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| RJ01 | Rejection of invention patent application after publication |