CN106837969A - A kind of self-plugging rivet and the clinching method using the rivet - Google Patents
A kind of self-plugging rivet and the clinching method using the rivet Download PDFInfo
- Publication number
- CN106837969A CN106837969A CN201710038077.1A CN201710038077A CN106837969A CN 106837969 A CN106837969 A CN 106837969A CN 201710038077 A CN201710038077 A CN 201710038077A CN 106837969 A CN106837969 A CN 106837969A
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- China
- Prior art keywords
- rivet
- shaft
- riveting
- self
- mother metal
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- 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
- 238000000034 method Methods 0.000 title claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 25
- 238000005553 drilling Methods 0.000 claims abstract description 10
- 230000007704 transition Effects 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 10
- 230000036461 convulsion Effects 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910001200 Ferrotitanium Inorganic materials 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 241000167854 Bourreria succulenta Species 0.000 description 2
- 235000019693 cherries Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035611 feeding Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/04—Rivets; Spigots or the like fastened by riveting
- F16B19/08—Hollow rivets; Multi-part rivets
- F16B19/10—Hollow rivets; Multi-part rivets fastened by expanding mechanically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/02—Riveting procedures
- B21J15/04—Riveting hollow rivets mechanically
- B21J15/048—Setting self-drilling hollow rivets
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The present invention provides a kind of self-plugging rivet, is made up of the shaft of rivet and riveting mandrel, and the shaft of rivet head is machined with sharp sword, and for being pierced into mother metal, afterbody is provided with boss, and the boss is provided with mother metal groove near point blade surface, the mother metal overflowed during for housing drilling；Driving groove is provided with away from sharp blade surface, for transmitting torque；The riveting mandrel head is provided with the shaft shoulder, coordinates with the shaft of rivet internal wall transitions；Middle part is provided with stress groove, and riveting mandrel can be made to fracture under stress；Afterbody is provided with clamping clutch features and clamping guidance feature.Self-plugging rivet and the clinching method using the rivet that the present invention is provided, solve the spatial complex such as Aero-Space region cannot prebored hole single-sided operation high intensity riveting problem, with high-efficient automatic, mechanical property it is good, without fifth wheel the characteristics of.
Description
Technical field
The present invention relates to rivet field, more particularly to a kind of self-plugging rivet and the clinching method using the rivet.
Background technology
In space flight and aviation large product general assembly, narrow space, closing or semiclosed, complex structure region are frequently run onto
Structure connects operating mode, and often back-supported and back operation are very difficult for this operating mode, to the Joining Technology such as brill of double-side operation
Hole, bolt connection, press, impact riveting, agitating friction welded bands and carry out huge challenge, it is substantially time-consuming, laborious, hard to work.Cause
This, it is under such conditions to select cherry riveting more.
Traditional drawing and pulling type blind rivet rivet is to realize installing by being applied to the pulling capacity on core bar from inside to outside.Power is applied to
Manufactured head, core bar of the stretching containing prefabricated breach makes distal end rivet nut outwards expand, and forms heading, the core bar when ordinance load is reached
In indentation, there fracture.This riveting needs special staking instrument, riveting quality not bery to stablize, and in addition, rivet drilling is difficult
Carry out, it is necessary to workman is hand-manipulated.The core bar inside rivet nut that breaks is not wrapped up by whole shapes, with the risk that comes off, at some
The special occasions such as industry such as space flight, medicine equipment, food, requires fifth wheel control very strictly, rivet part to be avoided as far as possible
Come off, therefore traditional core pulling staking application scenario is limited significantly.
The content of the invention
It is an object of the invention to provide a kind of self-plugging rivet and the clinching method using the rivet, to solve existing riveting
Method operating difficulties, bonding strength under complex working condition be low and the problem of fifth wheel control.
In order to solve the above-mentioned technical problem, the technical scheme is that：A kind of self-plugging rivet is provided, by the shaft of rivet and riveting
Mandrel is constituted, and the shaft of rivet head is machined with sharp sword, and for being pierced into mother metal, afterbody is provided with boss, and the boss is near point sword
Face is provided with mother metal groove, the mother metal overflowed during for housing drilling；Driving groove is provided with away from sharp blade surface, for transmitting torque；
The riveting mandrel head is provided with the shaft shoulder, coordinates with the shaft of rivet internal wall transitions；Middle part is provided with stress groove, the energy under stress
Riveting mandrel is enough set to fracture；Afterbody is provided with clamping clutch features and clamping guidance feature.
Further, the material of the shaft of rivet is yielding pure titanium or stainless steel；The riveting mandrel is selected than the shaft of rivet
Intensity and hardness material higher.
Further, riveting mandrel is loaded into the shaft of rivet, through Multi-step forming, the shaft of rivet is coated riveting mandrel completely and form closing
Body.
Further, overall finishing is carried out to self-plugging rivet, to ensure axiality.
Another technical scheme of the invention is：A kind of clinching method using above-mentioned self-plugging rivet is provided, including it is following
Step：S1, by driving groove, drive shaft of rivet rotation feed, be pierced into mother metal drilling until shaft of rivet afterbody boss is close to mother
Jerk after material；S2, by clamping clutch features and clamping guidance feature, drive the rotation of riveting mandrel and gradually pumpback so that the shaft shoulder
Expand and jerk after sealed mother metal；S3, apply stress and be broken stress groove, unnecessary riveting core bar is fractureed taking-up.
Self-plugging rivet and the clinching method using the rivet that the present invention is provided, solve the spatial complex such as Aero-Space area
Domain cannot prebored hole single-sided operation high intensity riveting problem, with high-efficient automatic, mechanical property be good, spy without fifth wheel
Point.Meanwhile, in the middle of the nowadays application of mixing material combining structure, the present invention can be riveted such as steel/aluminium alloy/magnesium alloy/metal
The mixing materials such as based composites/nonmetallic materials are combined, and prospect is very wide.
Brief description of the drawings
Invention is described further below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of self-plugging rivet provided in an embodiment of the present invention；
Fig. 2 is clinching method schematic diagram provided in an embodiment of the present invention.
Specific embodiment
Self-plugging rivet and the clinching method work using the rivet are proposed to the present invention below in conjunction with the drawings and specific embodiments
Further describe.It should be noted that, accompanying drawing in the form of simplifying very much and uses non-accurately ratio, is only used to
Purpose that is convenient, lucidly aiding in illustrating the embodiment of the present invention.
Core concept of the invention be the spatial complex such as Aero-Space region cannot prebored hole single-sided operation height
Strength riveting and the problem of fifth wheel control, present invention fusion drilling technique, the thermally coupled technology of agitating friction and cherry riveting shape
Sealed technology, that is, design shaft of rivet head as drill bit blade, and core bar is enclosed in inside the shaft of rivet, is given birth to using spin friction
Thermal softening mother metal and rivet, then by core follow closely pumpback, complete heat effect it is sealed with shape couple core pulling rivet welding be connected, this process without
Prebored hole, do not produce fifth wheel, automation with it is quality controllable.
The Drawing-Core spin friction for now describing controllable fifth wheel of the invention in detail with a preferred embodiment rivets rivet
And clinching method.
Fig. 1 show the schematic diagram of the Drawing-Core spin friction riveting riveting of the present embodiment controllable fifth wheel to be manufactured.
As shown in figure 1, rivet is made up of the shaft of rivet 1 and riveting core bar 2；The shaft of rivet 1 is enclosed within one end of riveting core bar 2, by being enclosed in rivet
The interference fits friction pair shaft shoulder 4 in internal portion is connected；The head of the shaft of rivet 1 has the sharp sword 3 that can pierce mother metal；The afterbody of the shaft of rivet 1
With groove 6 is driven, the moment of torsion of mother metal is pierced for transmitting；The recessed flange face 9 of the afterbody of the shaft of rivet 1 has certain geometrical shape
Groove flange face, for house drilling when mother metal overflow material volume；The head of riveting core bar 2 has the shaft shoulder 4, for the phase of riveting core bar 2
Rotary friction chafing and riveting core bar 2 is produced to expand sealed mother metal with respect to the pumpback shape of the shaft of rivet 1 to the shaft of rivet 1；Tool in the middle of riveting core bar 2
There is stress groove 5, riveting core bar 2 can be made to fracture under certain stress；There is the afterbody of riveting core bar 2 clamping clutch features 7 and clamping to lead
To feature 8.
The Drawing-Core spin friction riveting rivet method that Fig. 2 show the controllable fifth wheel of the present embodiment is illustrated
Figure.As shown in Fig. 2 the clutch features 7 and guidance feature 8 of main shaft clamping riveting core bar 1, and can be by the driving groove 6 of the shaft of rivet 1
The rotation of the character-driven shaft of rivet 1 and feeding, are pierced into mother metal drilling until the laminating mother metal of rivet nut afterbody flange face 9, and jerk so that
Mother metal produces rivet welding with the shaft of rivet 1；After drilling, the axial restraint of the shaft of rivet 1 is kept, drive riveting core bar 2 to rotate at a high speed and gradually return
Take out so that the shaft of rivet head shaft shoulder 4 expands and sealed mother metal, jerk, terminate riveted；Riveting core bar is caused finally by stress is applied
2 stress groove fracture, unnecessary riveting core bar is fractureed taking-ups, completion riveting process.
The each several part of rivet is in rotary friction in the Drawing-Core spin friction riveting rivet method of controllable fifth wheel
Wiping effect is lower to complete riveting process, referred to as frictional rivet joints.
Rivet core bar has portion fractures in riveting in the Drawing-Core spin friction riveting rivet method of controllable fifth wheel
Inside rivet nut, and the intensity of core bar, hardness are higher, with solid riveting feature, can realize that high intensity rivets demand.
It is preferred that the shaft of rivet 1 is from yielding pure titanium, stainless steel, riveting core bar 2 is more high-strength using the relative shaft of rivet 1
Degree more high hardness material；Riveting core bar 2 after finishing is loaded into the blank of the shaft of rivet 1, through Multi-step forming so that the shaft of rivet 1 is complete
Cladding riveting core bar 2 forms obturator, and makes driving groove 6；After heat treatment, overall finishing is carried out to component, it is ensured that coaxial
Degree, and sharp sword 3 and other characteristic modifications are made, finally make self-plugging rivet.
The use shaft of rivet of the present embodiment is designed as head and closes and set blade, and afterbody sets band groove flange face, can
Effectively to suppress the generation of mother metal cutting fifth wheel and rivet core bar fifth wheel.
The use frictional rivet joints main shaft of the present embodiment has dual drive, double feedings, and power can be realized by appropriate design
With Displacement Feedback control, whole machine use electric drive and servo, with high-efficient automatic, it is stable and controllable for quality the features such as.
Obviously, those skilled in the art can carry out various changes to the present invention and deform without deviating from essence of the invention
God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (5)
1. a kind of self-plugging rivet, it is characterised in that：It is made up of the shaft of rivet and riveting mandrel, the shaft of rivet head is machined with sharp sword,
For being pierced into mother metal, afterbody is provided with boss, and the boss being provided with mother metal groove, being overflowed during for housing drilling near point blade surface
Mother metal；Driving groove is provided with away from sharp blade surface, for transmitting torque；
The riveting mandrel head is provided with the shaft shoulder, coordinates with the shaft of rivet internal wall transitions；Middle part is provided with stress groove, in stress
Under riveting mandrel can be made to fracture；Afterbody is provided with clamping clutch features and clamping guidance feature.
2. self-plugging rivet as claimed in claim 1, it is characterised in that the material of the shaft of rivet is yielding pure titanium or stainless
Steel；The riveting mandrel selects the material higher than shaft of rivet intensity and hardness.
3. self-plugging rivet as claimed in claim 1, it is characterised in that riveting mandrel is loaded into the shaft of rivet, through Multi-step forming, makes riveting
Rivet nut coats riveting mandrel and forms obturator completely.
4. self-plugging rivet as claimed in claim 3, it is characterised in that overall finishing is carried out to self-plugging rivet, it is same to ensure
Axle degree.
5. a kind of clinching method using self-plugging rivet as claimed in claim 1, it is characterised in that comprise the following steps：
S1, by driving groove, drive shaft of rivet rotation feed, be pierced into mother metal drilling until shaft of rivet afterbody boss is close to mother metal
Jerk afterwards；
S2, by clamping clutch features and clamping guidance feature, drive the rotation of riveting mandrel and gradually pumpback so that shaft shoulder expansion is simultaneously
Jerk after sealed mother metal；
S3, apply stress and be broken stress groove, unnecessary riveting core bar is fractureed taking-up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710038077.1A CN106837969A (en) | 2017-01-19 | 2017-01-19 | A kind of self-plugging rivet and the clinching method using the rivet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710038077.1A CN106837969A (en) | 2017-01-19 | 2017-01-19 | A kind of self-plugging rivet and the clinching method using the rivet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106837969A true CN106837969A (en) | 2017-06-13 |
Family
ID=59123761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710038077.1A Pending CN106837969A (en) | 2017-01-19 | 2017-01-19 | A kind of self-plugging rivet and the clinching method using the rivet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106837969A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU57508A1 (en) * | 1967-04-10 | 1969-03-27 | ||
| US4270331A (en) * | 1978-03-10 | 1981-06-02 | Hilti Aktiengesellschaft | Method of securing an expansion dowel including a metallic expansion sleeve |
| CN202007815U (en) * | 2011-05-05 | 2011-10-12 | 无锡安士达五金有限公司 | High-strength sealed drum type rivet |
| CN102606591A (en) * | 2011-01-24 | 2012-07-25 | 上海安字实业有限公司 | Closed single-drum shaped blind rivet |
| CN102829056A (en) * | 2012-09-10 | 2012-12-19 | 湖南省金为型材有限公司 | Self-drilling-tapping riveting fastener |
| CN203348257U (en) * | 2013-06-25 | 2013-12-18 | 徐州春华机械制造厂 | Automatic thrust structure of expansion rivet |
| US20140068908A1 (en) * | 2012-09-12 | 2014-03-13 | Robert L. Hickey | Threaded Fastening And Repair Device |
| CN204140593U (en) * | 2014-09-05 | 2015-02-04 | 湖北博士隆科技有限公司 | A kind of novel closed-type riveting plug |
| CN104736860A (en) * | 2012-10-31 | 2015-06-24 | 纽弗雷公司 | Blind rivet and sealing structure using same |
| CN206409492U (en) * | 2016-12-17 | 2017-08-15 | 重庆宗申技术开发研究有限公司 | A kind of rivet arrangement |
-
2017
- 2017-01-19 CN CN201710038077.1A patent/CN106837969A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU57508A1 (en) * | 1967-04-10 | 1969-03-27 | ||
| US4270331A (en) * | 1978-03-10 | 1981-06-02 | Hilti Aktiengesellschaft | Method of securing an expansion dowel including a metallic expansion sleeve |
| CN102606591A (en) * | 2011-01-24 | 2012-07-25 | 上海安字实业有限公司 | Closed single-drum shaped blind rivet |
| CN202007815U (en) * | 2011-05-05 | 2011-10-12 | 无锡安士达五金有限公司 | High-strength sealed drum type rivet |
| CN102829056A (en) * | 2012-09-10 | 2012-12-19 | 湖南省金为型材有限公司 | Self-drilling-tapping riveting fastener |
| US20140068908A1 (en) * | 2012-09-12 | 2014-03-13 | Robert L. Hickey | Threaded Fastening And Repair Device |
| CN104736860A (en) * | 2012-10-31 | 2015-06-24 | 纽弗雷公司 | Blind rivet and sealing structure using same |
| CN203348257U (en) * | 2013-06-25 | 2013-12-18 | 徐州春华机械制造厂 | Automatic thrust structure of expansion rivet |
| CN204140593U (en) * | 2014-09-05 | 2015-02-04 | 湖北博士隆科技有限公司 | A kind of novel closed-type riveting plug |
| CN206409492U (en) * | 2016-12-17 | 2017-08-15 | 重庆宗申技术开发研究有限公司 | A kind of rivet arrangement |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |