CN108971411A - A kind of electromagnetic riveting device and method that body position is controllable - Google Patents

A kind of electromagnetic riveting device and method that body position is controllable Download PDF

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Publication number
CN108971411A
CN108971411A CN201810977536.7A CN201810977536A CN108971411A CN 108971411 A CN108971411 A CN 108971411A CN 201810977536 A CN201810977536 A CN 201810977536A CN 108971411 A CN108971411 A CN 108971411A
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CN
China
Prior art keywords
electromagnet
riveting
skeleton
coil
caulking gun
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.)
Granted
Application number
CN201810977536.7A
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Chinese (zh)
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CN108971411B (en
Inventor
邓将华
吕枫
范治松
熊永锋
马天宇
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Fuzhou University
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Fuzhou University
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Priority to CN201810977536.7A priority Critical patent/CN108971411B/en
Publication of CN108971411A publication Critical patent/CN108971411A/en
Application granted granted Critical
Publication of CN108971411B publication Critical patent/CN108971411B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00Riveting
    • B21J15/10Riveting machines
    • B21J15/105Portable riveters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00Riveting
    • B21J15/10Riveting machines
    • B21J15/16Drives for riveting machines; Transmission means therefor
    • B21J15/24Drives for riveting machines; Transmission means therefor operated by electro-magnets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00Riveting
    • B21J15/10Riveting machines
    • B21J15/30Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters

Abstract

The present invention relates to a kind of electromagnetic riveting device and methods that body position is controllable, including caulking gun, the top iron to head on rivet is provided in front of caulking gun, the skeleton for being wrapped coil is provided in the caulking gun, it is provided with duct in the middle part of skeleton, ferromagnetism body capable of sliding back and forth is provided in the duct of skeleton;The electromagnet that can be attached together with ferromagnetism body positioned at ferromagnetism body rear and after being powered is additionally provided in the duct of skeleton, the rear end of electromagnet is connected with the push rod for extending back and being pierced by from riveting gun back end.It is the configuration of the present invention is simple, stable and reliable in work, it is easy to operate, control body may be implemented and disposably and accurately return to designated position to be that riveting is prepared next time, breach traditional electromagnetic rivet driver feature, the miniaturization for easily realizing electromagnetic rivet driver, has widened riveting forming technology window.

Description

A kind of electromagnetic riveting device and method that body position is controllable
Technical field
The present invention relates to a kind of electromagnetic riveting device and methods that body position is controllable, belong to metal forming manufacture skill Art field.
Background technique
Electromagnetic forming technique is mainly used in the manufacturing fields such as aerospace, and electro-magnetic forming integral device includes electro-magnetic forming Energy-storage system and external electrical magnetic force generator two large divisions.Wherein, electromagnetic riveting is exactly that one kind of electromagnetic forming technique is specific Using caulking gun is the device of core the most, is the key that electric energy is converted into magnetic field energy and then is converted into mechanical energy, directly affects The output of electro-magnetic forming power.
Presently, there are traditional riveting gun be mainly used in aviation assembly field, with the hand-held of Electroimpact company For riveting gun, riveting gun body form develops toward miniaturization and lightweight direction always, but using plate line inside its gun body It encloses the structure mutually repelled with driving copper sheet to be designed, how much the number of turns of plate coil determines rivet force to a certain extent Size, the excessive plate coil of the number of turns can make gun body diameter and volume excessive, and the number of turns is excessively few then to make rivet force insufficient, therefore The design feature of plate coil becomes the bottleneck of hand-held riveting gun body miniaturization.The development of magnetic resistance type coil electromagnetism lift-off technology, according to Attracting the power generated to ferromagnetic metal body by solenoid coil, also strike riveting mould enough makes rivet generate plastic deformation, from And to make novel riveting gun using the emission principle, it is referred to as magnetic resistance type electromagnet riveting herein.Use helical The structure of pipeline circle itself can be set that the coil number of plies is fewer than plate coil, and coil more can be axially distributed, thus be suitble to It is made as riveting lance body structure smaller riveting gun body diameter easy to accomplish, breaks through the diameter limitation of plate coil.
Electromagnetic riveting is that guaranteed efficiency should be able to repeat to realize electric discharge riveting, but a disadvantage of magnetic resistance type electromagnet riveting exists It is remained in solenoid after ferromagnetism body hits riveting, present position is unknown, and attraction of the coil to ferromagnetism body Power size is very big with body change in location difference, needs to adjust back target specific position at this time and is riveted.In the prior art may be used It is set referring to a kind of electromagnetic riveting using reciprocating electromagnetism lift-off technology of Chinese invention patent Publication No. CN103949573A Standby, propose a kind of solution: which employs the mode that two sets of electric discharge systems are respectively used to main and sub-coil electric discharge, main coil is used for Emit body, secondary coil is for attracting body to return to initial position, but its Shortcomings, one is secondary coil is also put for capacitor Electricity, discharge time it is shorter to body generate be of short duration attraction;The second is iron of the secondary coil of fixed position to unknown position The amount of force certainty difference of magnetic body is very big;Third, the body attracted is difficult to ensure in solenoid in return The shock outside amount incurred does not spring back problem.Therefore this method is difficult to realize control bullet and disposably and accurately returns to target certain bits Riveting next time is set to prepare.
Summary of the invention
In view of this, the object of the present invention is to provide easy to operate, the controllable electromagnetic riveting in body position easy to use Device and method may be implemented control body disposably and accurately return to designated position.
The present invention is realized using following scheme: a kind of electromagnetic riveting device that body position is controllable, including caulking gun, riveting It is provided with the top iron to head on rivet in front of rifle, the skeleton for being wrapped coil is provided in the caulking gun, is set in the middle part of skeleton It is equipped with duct, ferromagnetism body capable of sliding back and forth is provided in the duct of skeleton;It is additionally provided in the duct of skeleton positioned at iron The electromagnet that can be attached together with ferromagnetism body behind magnetic body rear and energization, the rear end of electromagnet is connected with backward The push rod for extending and being pierced by from riveting gun back end.
Further, the caulking gun includes the cylinder base at rear portion and the shell of front, and the shell is sleeved on cylinder base, Shell is connected through a screw thread with cylinder base;The skeleton is located in shell, is connected with handle on the downside of the cylinder base.
Further, the housing forward end is provided with rifle mouth, and being provided in the middle part of rifle mouth can be with respect to the riveting that rifle mouth slides back and forth Mould, riveting mould rear end are protruded into the duct of skeleton, and skeleton front end is provided with the spring for pushing riveting mould forward;The electromagnet sleeve is mounted in On electromagnet sheath, electromagnet guard trailing end offers threaded hole, and the push rod front end is provided with threaded portion and is screwed on and electromagnetism On the threaded hole of iron sheath.
Further, the cylinder base rear end lower offers a grooving, is opened up on the grooving there are two threaded hole, described Handle upper end setting there are two be connected by screw to the interconnecting piece on grooving threaded hole, be provided between two interconnecting pieces and handle The rectangular channel that inner cavity communicates is provided with the perforation communicated with cylinder base inner cavity on the grooving, and electromagnet sheath side opens up There is the axis through-hole communicated with its inner hole.
It further, further include the power-supply system powered for coil and electromagnet, the power-supply system includes and electromagnet First power supply of electrical connection and the capacitor that is electrically connected with coil are arranged in the connection line between the first power supply and electromagnet There is electro-magnet switch;The capacitor is connected with second source, is arranged in the connection line between capacitor and second source There are charge switch, rectifier and current-limiting resistance, is provided with discharge switch in the connection line between capacitor and coil.
A kind of electromagnetic riveting method that body position is controllable, including the controllable electromagnetic riveting dress in body position as described above It sets, comprising the following steps:
(1) closing electromagnets switch, and electromagnet, which is powered, generates ferromagnetism, have attracted ferromagnetism body by push rod Mobile electromagnetic iron And it is moved to designated position;
(2) make the caulking gun front end alignment rivet to be riveted and head on rivet;
(3) it is closed charge switch, is charged to capacitor, until charging finishes;
(4) opening electro-magnet switch powers off electromagnet, and closure discharge switch makes capacitor to coil discharge, and coil generates at this time High-intensity magnetic field attracts ferromagnetism body, moves and hit to riveting mould under the guiding in skeleton duct, and the riveting mould after hitting will Power, which passes to rivet and brings it about plastic deformation, completes riveting;
(5) caulking gun is removed from rivet, the elastic force of spring makes riveting mould return to initial position;Closing electromagnets switch, pushes Push rod moves electromagnet toward riveting mould direction, and by electromagnet attracted it is mobile after ferromagnetism body refer to positioning and set, prepare out Beginning rivets next time.
Compared with prior art, the invention has the following advantages: the configuration of the present invention is simple, stable and reliable in work, behaviour Facilitate, control body may be implemented and disposably and accurately return to designated position to be that riveting is prepared next time, improve riveting Efficiency and precision breach traditional electromagnetic rivet driver feature, easily realize the miniaturization of electromagnetic rivet driver, have widened riveting forming technology window Mouthful.
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, specific embodiment and phase will be passed through below Attached drawing is closed, invention is further described in detail.
Detailed description of the invention
Fig. 1 is operation principle schematic diagram of the embodiment of the present invention;
Fig. 2 is sectional view of the embodiment of the present invention;
Fig. 3 is schematic diagram of internal structure of the embodiment of the present invention;
Fig. 4 is middle skeleton organigram of the embodiment of the present invention;
Fig. 5 is riveting mould organigram in the embodiment of the present invention;
Fig. 6 is electromagnet protector configurations schematic diagram in the embodiment of the present invention;
Fig. 7 is putter configurations schematic diagram in the embodiment of the present invention;
Fig. 8 is handle construction schematic diagram in the embodiment of the present invention;
Fig. 9 is cylinder base organigram in the embodiment of the present invention;
Figure 10 is shell organigram in the embodiment of the present invention;
Figure 11 is rifle mouth organigram in the embodiment of the present invention.
Specific embodiment
As shown in Fig. 1 ~ 11, a kind of electromagnetic riveting device that body position is controllable, including caulking gun, the setting of caulking gun front There is the top iron 13 to head on rivet 11, the skeleton 9 for being wrapped coil 7 is provided in the caulking gun, 7 material of coil is Metal material with good conductivity;It is provided with duct in the middle part of skeleton 9, is provided in the duct of skeleton 9 capable of sliding back and forth ferromagnetic Property body 8;Being additionally provided in the duct of skeleton 9 can adsorb positioned at 8 rear of ferromagnetism body and after being powered with ferromagnetism body 8 Electromagnet 16 together, the rear end of electromagnet 16, which is connected with, to extend back and from the push rod 18 that is pierced by of riveting gun back end, described Ferromagnetism body 8 is ferromagnetic metal material, and ferromagnetism body is generated kinetic energy by the attraction of hot-wire coil and rivet is gone to be added It carries and realizes plastic deformation, breach traditional electromagnetic rivet driver feature, easily realize the miniaturization of electromagnetic rivet driver, and be provided with power supply confession The electromagnet of electricity can generate attraction, and the electromagnet moved by push rod to ferromagnetism body, be in after shock can be sucked The ferromagnetism body of any position carries out accurately being moved to specific position, realizes that control body is disposable and accurately returns to specified Position is that riveting is prepared next time, improves riveting efficiency and precision, and structure is simple, stable and reliable in work, easy to operate, is expanded Wide riveting forming technology window.
In the present embodiment, the caulking gun includes the cylinder base 20 at rear portion and the shell 21 of front, the shell suit On cylinder base, shell is connected through a screw thread with cylinder base;The skeleton 9 is located in shell 21, is connected with hand on the downside of the cylinder base 20 Handle 19, handle are hollow structure to place power-supply system.
In the present embodiment, 21 front end of shell is provided with rifle mouth 22, be provided in the middle part of rifle mouth 22 can be with respect to rifle mouth before The riveting mould 10 slided afterwards, 10 rear end of riveting mould are protruded into the duct of skeleton 9, and 9 front end of skeleton is provided with the bullet for pushing riveting mould 10 forward Spring 23;The electromagnet 16 is sleeved on electromagnet sheath 17, and 17 rear end of electromagnet sheath offers threaded hole 17-1, described to push away 18 front end of bar be provided with threaded portion and be screwed on on the threaded hole 17-1 of electromagnet sheath.
In the present embodiment, the rifle mouth 22 is cylindrical shape, the threaded 22-1 of rifle mouth peripheral part, the setting of rifle mouth front end center One diameter is less than the mounting hole 22-2 of rifle mouth internal diameter, opens up that there are two tapped blind hole 22-3 on the anchor ring of rifle mouth front end.
In the present embodiment, the skeleton 9 is insulating materials production, generally tubular structure, by five sections of diameter of bore phases Same pipeline composition, is followed successively by first segment pipe 9-1, second segment pipe pipe 9-2, third section pipe 9-3, the 4th section of pipe 9-4 from front to back It is identical with the 5th section of pipe 9-5 second segment pipe 9-2 and the 4th section of pipe 9-4 outer diameter, and show convex because outer diameter is larger with respect to other three sections It rises, wherein second segment pipe 9-2 is radially provided with round tube hole 9-21 in wall surface and is connected to inner hole, the pipe of the 5th section of pipe 9-5 A slot 9-51 connection inner hole, the 4th section of pipe 9-4 protruded tube wall part more than third section pipe 9-3 are provided on wall in the axial direction It is provided with one of through slot 9-41 along axial direction, 9 diameter of bore of coil rack is slightly larger than the diameter of ferromagnetism body 8.
In the present embodiment, the riveting mould 10 is whole is divided into three sections of concentric columns, is followed successively by first segment cylinder from front to back 10-1, second segment cylinder 10-2 and third section cylinder 10-3, second segment cylinder 10-2 diameter are maximum and aobvious raised, first segment cylinder A pit type chamber 10-11 is provided with according to the shape for wanting rivet to shape on 10-1 front end face;The caulking gun is by 9 conduct of skeleton Main body is assembled, and 9 axis of skeleton is gun body axis, and shell 21 and the rifle mouth 22 of caulking gun are fixed with being threadedly engaged, riveting mould 10 first segment cylinder 10-1 outer diameter and 22 mounting hole 22-2 internal diameter clearance fit of rifle mouth, between 22 inner hole of rifle mouth and mounting hole Terrace is bonded with the front side anchor ring 10-5 of second segment cylinder 10-2 on riveting mould 10,10 second segment cylinder outer diameter 10-2 of riveting mould and rifle mouth 22 internal diameter clearance fits;10 third section cylinder 10-3 of riveting mould and 9 first segment pipe 9-1 inner hole clearance fit of skeleton, spring pocket are mounted in On the first segment pipe of skeleton.
In the present embodiment, the shell 21 is cylindrical shape, and housing rear end peripheral part has external thread part 21-1.Outside shell Circumference is also carved with scale label 21-2, and housing forward end portion periphery wall is circumferentially arranged slot apertures 21-3, and housing forward end setting is useful To install the ladder hole 21-4 of rifle mouth, rifle mouth is threadingly attached on ladder hole 21-4.
In the present embodiment, 20 rear end lower of cylinder base offers a grooving 20-1, and 20 rear end of cylinder base offers and it It is opened up on the axis through-hole 20-2, the grooving 20-1 that inner hole communicates there are two threaded hole 20-11,19 upper end of handle is arranged There are two be connected by screw to the interconnecting piece 19-1 on grooving 20-1 threaded hole, offer bolt hole on interconnecting piece 19-1, two It is provided with the rectangular channel 19-12 communicated with intracavity of handle between interconnecting piece 19-1, is provided on the grooving and cylinder base inner cavity phase Logical perforation 20-12,17 side of electromagnet sheath offers the axial pass trough 17-2 communicated with its inner hole.
In the present embodiment, further include the power-supply system powered for coil 7 and electromagnet 16, the power-supply system include with First power supply 14 of electromagnet electrical connection and the capacitor 4 being electrically connected with coil, the company between the first power supply 14 and electromagnet Electro-magnet switch 15 is provided on link;The capacitor 4 is connected with second source, between capacitor 4 and second source Connection line on be provided with charge switch 5, rectifier 2 and current-limiting resistance 3, set in the connection line between capacitor and coil It is equipped with discharge switch 6.The conducting wire of electromagnet 16 comes out from the axial pass trough 17-2 on electromagnet sheath 17 on the caulking gun, warp The slot 9-51 on the 5th section of pipe 9-5 of skeleton 9 is crossed, then the perforation 20-12 through cylinder base 20 enters inner cavity and the first electricity of handle 19 Source 14 connects.7 conducting wire of coil comes out from the through slot 9-41 on the 4th section of pipe 9-4 wall of skeleton 9, then the perforation 20-12 through cylinder base 20 It is connect into the inner cavity of handle 19 with capacitor.
Coil 7, second segment pipe 9-2 and the 4th section of pipe 9-4 and shell of skeleton 9 are wrapped on the third section pipe 9-3 of skeleton 9 The cooperation of 21 internal diameters, the duct clearance fit of 17 outer diameter of electromagnet sheath and skeleton 9, electromagnet sheath 17 are placed in 9 duct of skeleton, 16 outer diameter of electromagnet and 17 internal diameter of electromagnet sheath cooperate, in 16 fixed placement of electromagnet and 17 inner hole of electromagnet sheath.It is ferromagnetic Property 8 outer diameter of body and 9 internal diameter clearance fit of skeleton, be built between electromagnet sheath 17 and riveting mould 10 in 9 channel of skeleton, handle 19 bolt hole 19-11 is connected and fixed with the threaded hole 20-11 on gun body rear cover 20 using screw fit.19 outer diameter of push rod and cylinder The axially extending bore 20-2 clearance fit of 20 rear ends of seat.20 inner thread of cylinder base of caulking gun is connected with the outer wall thread of shell 21, Skeleton 9 is pressed abd fixed in entire gun barrel by both cylinder base 20 and shell 21.
A kind of electromagnetic riveting method that body position is controllable, including the controllable electromagnetic riveting dress in body position as described above It sets, comprising the following steps:
(1) closing electromagnets switch, and electromagnet, which is powered, generates ferromagnetism, have attracted ferromagnetism body by push rod Mobile electromagnetic iron And it is moved to designated position;
(2) so that the riveting mould 10 on caulking gun front end rifle mouth 23 is directed at the rivet to be riveted and is headed on rivet makes spring-compressed;
(3) the first power supply, setting riveting voltage are connected, closure charge switch 5 is being rectified through 1 transformation of transformer to given voltage Device 2 and current-limiting resistance 3 charge to capacitor 4 under acting on, until charging finishes;
(4) opening electro-magnet switch 15 powers off electromagnet, and closure discharge switch 6 makes capacitor discharge coil 7, at this time coil 7 generate high-intensity magnetic field, attract ferromagnetism body 8, move and hit to riveting mould 10 under the guiding in 9 duct of skeleton, through hitting Riveting mould 10 afterwards, which transmits the force to rivet 11 and brings it about plastic deformation, completes riveting;
(5) caulking gun is removed from rivet 11, the elastic force of spring 23 makes riveting mould 10 return to initial position;Closing electromagnets switch 15, push push rod to move electromagnet 16 toward 10 direction of riveting mould, and electromagnet 16 has been attracted movement after ferromagnetism body and has been referred to Positioning is set, and prepares to start to rivet next time.
Above-listed preferred embodiment, has been further described the object, technical solutions and advantages of the present invention, is answered Understand, the foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (5)

1. a kind of electromagnetic riveting device that body position is controllable, it is characterised in that: including caulking gun, setting is useful in front of caulking gun To head on the top iron of rivet, it is provided with the skeleton for being wrapped coil in the caulking gun, is provided with duct in the middle part of skeleton, skeleton Ferromagnetism body capable of sliding back and forth is provided in duct;Be additionally provided in the duct of skeleton positioned at ferromagnetism body rear and The electromagnet that can be attached together with ferromagnetism body after energization, the rear end of electromagnet, which is connected with, to extend back and after caulking gun Hold the push rod being pierced by.
2. the controllable electromagnetic riveting device in body position according to claim 1, it is characterised in that: the caulking gun includes The cylinder base at rear portion and the shell of front, the shell are sleeved on cylinder base, and shell is connected through a screw thread with cylinder base;The skeleton In shell, handle is connected on the downside of the cylinder base.
3. the controllable electromagnetic riveting device in body position according to claim 2, it is characterised in that: the housing forward end is set It is equipped with rifle mouth, is provided with and can be protruded into the duct of skeleton with respect to the riveting mould that rifle mouth slides back and forth, riveting mould rear end in the middle part of rifle mouth, skeleton Front end is provided with the spring for pushing riveting mould forward;On electromagnet sheath, electromagnet guard trailing end opens up the electromagnet sleeve Have a threaded hole, the push rod front end be provided with threaded portion and be screwed on on the threaded hole of electromagnet sheath.
4. the controllable electromagnetic riveting device in body position according to claim 1, it is characterised in that: further include for coil and The power-supply system of electromagnet power supply, the power-supply system include the first power supply being electrically connected with electromagnet and are electrically connected with coil Capacitor, be provided with electro-magnet switch in the connection line between the first power supply and electromagnet;The capacitor and the second electricity Source is connected, and charge switch, rectifier and current-limiting resistance, capacitor are provided in the connection line between capacitor and second source Discharge switch is provided in connection line between device and coil.
5. a kind of electromagnetic riveting method that body position is controllable, including the controllable electromagnetism in body position as claimed in claim 4 Riveting set, it is characterised in that: the following steps are included:
(1) closing electromagnets switch, and electromagnet, which is powered, generates ferromagnetism, have attracted ferromagnetism body by push rod Mobile electromagnetic iron And it is moved to designated position;
(2) make the caulking gun front end alignment rivet to be riveted and head on rivet;
(3) it is closed charge switch, is charged to capacitor, until charging finishes;
(4) opening electro-magnet switch powers off electromagnet, and closure discharge switch makes capacitor to coil discharge, and coil generates at this time High-intensity magnetic field attracts ferromagnetism body, moves and hit to riveting mould under the guiding in skeleton duct, and the riveting mould after hitting will Power, which passes to rivet and brings it about plastic deformation, completes riveting;
(5) caulking gun is removed from rivet, the elastic force of spring makes riveting mould return to initial position;Closing electromagnets switch, pushes Push rod moves electromagnet toward riveting mould direction, and by electromagnet attracted it is mobile after ferromagnetism body refer to positioning and set, prepare out Beginning rivets next time.
CN201810977536.7A 2018-08-27 2018-08-27 Electromagnetic riveting device and method with controllable projectile body position Active CN108971411B (en)

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Application Number Priority Date Filing Date Title
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CN108971411B CN108971411B (en) 2023-10-10

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5471865A (en) * 1993-09-09 1995-12-05 Gemcor Engineering Corp. High energy impact riveting apparatus and method
CN101817056A (en) * 2010-04-28 2010-09-01 哈尔滨工业大学 Device and method for self-piercing riveting of half-hole rivet loaded by pulse magnet field force
CN101890473A (en) * 2010-07-09 2010-11-24 哈尔滨工业大学 Portable low-voltage electromagnetism riveter
KR20120074922A (en) * 2010-12-28 2012-07-06 주식회사 대명엔지니어링 Riveting apparatus with electromagnet
CN103949573A (en) * 2014-04-29 2014-07-30 中国航空工业集团公司北京航空制造工程研究所 Electromagnetic riveting equipment adopting reciprocating type electromagnetic launching technology
CN104841840A (en) * 2015-04-24 2015-08-19 福州大学 Portable double-coil electromagnetic riveting device
KR20160003603U (en) * 2015-04-09 2016-10-19 삼흥정공 주식회사 Rivetting device for aircraft body
CN208825466U (en) * 2018-08-27 2019-05-07 福州大学 A kind of electromagnetic riveting device that body position is controllable

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5471865A (en) * 1993-09-09 1995-12-05 Gemcor Engineering Corp. High energy impact riveting apparatus and method
CN101817056A (en) * 2010-04-28 2010-09-01 哈尔滨工业大学 Device and method for self-piercing riveting of half-hole rivet loaded by pulse magnet field force
CN101890473A (en) * 2010-07-09 2010-11-24 哈尔滨工业大学 Portable low-voltage electromagnetism riveter
KR20120074922A (en) * 2010-12-28 2012-07-06 주식회사 대명엔지니어링 Riveting apparatus with electromagnet
CN103949573A (en) * 2014-04-29 2014-07-30 中国航空工业集团公司北京航空制造工程研究所 Electromagnetic riveting equipment adopting reciprocating type electromagnetic launching technology
KR20160003603U (en) * 2015-04-09 2016-10-19 삼흥정공 주식회사 Rivetting device for aircraft body
CN104841840A (en) * 2015-04-24 2015-08-19 福州大学 Portable double-coil electromagnetic riveting device
CN208825466U (en) * 2018-08-27 2019-05-07 福州大学 A kind of electromagnetic riveting device that body position is controllable

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