CN105903884B - A kind of straight-neck rivet bilateral loads magnetic field impulse riveting set - Google Patents
A kind of straight-neck rivet bilateral loads magnetic field impulse riveting set Download PDFInfo
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- CN105903884B CN105903884B CN201610527190.1A CN201610527190A CN105903884B CN 105903884 B CN105903884 B CN 105903884B CN 201610527190 A CN201610527190 A CN 201610527190A CN 105903884 B CN105903884 B CN 105903884B
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- Prior art keywords
- wedge block
- riveting
- transverse wedge
- coil
- voussoir
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Classifications
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- 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
- B21J15/10—Riveting machines
- B21J15/16—Drives for riveting machines; Transmission means therefor
- B21J15/24—Drives for riveting machines; Transmission means therefor operated by electro-magnets
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- Mechanical Engineering (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
Abstract
Magnetic field impulse riveting set is loaded the present invention relates to a kind of straight-neck rivet bilateral, it is characterised in that:Including handwheel (1), regulation stud (2), cruciform bracing (3), frame rails (4), perpendicular voussoir (5), guide pin bushing (6), transverse wedge block (7), spring base (8), bolt (9), spring (10), riveting mould (11), transverse wedge block fulcrum bearing (12), base (13), coil holder guide rod (14), coil holder (15), coil (16), drive piece (17), drive bar (18), rectifier (19), resistance (20), switch (21), transformer (22), electric capacity (23), riveting die holder (24), riveting die holder press strip (25), transverse wedge block main body (26), straight-neck rivet electromagnetic riveting device of the present invention only utilizes a coil discharge, horizontal motion of the vertical direction conversion of motion of piece for riveting mould will will be driven by two pairs of cotter mechanisms, spring return mechanism is set on transverse wedge block, the spacing of two riveting moulds can be adjusted by rotation hand wheel, to adapt to the rivet of different length, with simple in construction, cost is relatively low, easy to operate advantage.
Description
Technical field
The present invention relates to a kind of Electromagnetic riveting technology, more particularly to a kind of straight-neck rivet bilateral loading magnetic field impulse riveting dress
Put.
Background technology
Riveting process is one of main connection method of current aircraft structure, and its easy to operate, bonding strength is reliable and stable.
In electromagnetic riveting riveting gun produce impulsive force it is high to the loading speed of rivet, can between nail rod and the hole wall for being riveted interlayer shape
Into uniform amount of interference, so that the extending connector life-span;And its steady quality, cost are low, obtained on the aircrafts such as Air Passenger A380
Using.Straight-neck rivet is a kind of solid round rod interference rivet without manufactured head.Straight-neck rivet is that riveting process is applied from both sides
Plus load equal in magnitude, in opposite direction, it is respectively formed a heading in connected piece both sides.Compared to traditional cup head riveting
Nail connection, straight-neck rivet connection amount of interference is more uniform, can realize preferable interference engagement, therefore fatigue life is longer, and by
All it is heading in riveting both sides without a head, occurs the feelings of ailhead failure by shear under axial load operating mode in the absence of snap rivet
Condition, therefore pull-off strength is also above snap rivet.Therefore, using the slug riveting switching performance ten of Electromagnetic riveting technology
Divide excellent.
Traditional straight-neck rivet electromagnetic rivetter needs to set an electromagnetic riveting device respectively being riveted part both sides, can
It is divided into large power drill riveting equipment and hand-held two kinds of riveting gun slug riveting device.Large power drill riveting device price is high, floor space
Greatly, Single unit job lot production is not suitable for;As applied, invention CN102527905A is adopted the typical structure of hand-held riveting set without a head
Slug riveting device being riveted part both sides, it is necessary to set two identical electromagnetic rivet drivers, therefore riveted
Journey needs two people collaboration to complete.It is applied to that equipment investment in actual production is larger, cost of labor is higher, and operates complex.
Therefore invent a kind of simple in construction, cost is low, and the straight-neck rivet electromagnetic riveting device for being capable of one man operation is significant.
The content of the invention
It is an object of the invention to provide it is a kind of based on electromagnetic riveting have high bonding strength, uniform amount of interference straight-neck rivet
Riveting set.In straight-neck rivet electromagnetic riveting device provided by the present invention, the vertical side of piece will be driven by two pairs of voussoirs
To the horizontal motion that conversion of motion is both sides riveting mould, from two lateral straight-neck rivet loadings, there is rivet push rod relatively equal
Even amount of interference.
The technical solution used in the present invention provides a kind of straight-neck rivet bilateral and loads magnetic field impulse riveting set, by Qi Te
Levy and be:Handwheel, regulation stud, cruciform bracing, frame rails, perpendicular voussoir, guide pin bushing, transverse wedge block, spring base, bolt, spring, riveting
Mould, transverse wedge block fulcrum bearing, base, coil holder guide rod, coil holder, coil, driving piece, driving bar, rectifier, resistance, open
Pass, transformer, electric capacity, riveting die holder, riveting die holder press strip, transverse wedge block main body, wherein:
The screwed hole that size is M80 is provided with the middle of cruciform bracing, to accommodate regulation stud, screwed hole both sides are provided with coil
Seat pilot hole, for accommodating coil holder guide rod,
Frame rails are connected by bolt with cruciform bracing, and rectangle guide groove is provided with thereon, for accommodating perpendicular voussoir 5
Guide pad.
Rectangular through-hole is provided with the middle of frame rails, transverse wedge block fulcrum bearing is inserted and is fastened by bolts.Frame rails
Bottom is connected by bolt with base.
Driving piece is connected by bolt with driving bar, drives bar both sides to be bolted perpendicular voussoir, transverse wedge block 7 and
The inclined-plane of perpendicular voussoir is in contact, to transmit the magnetic pressure on driving piece.
Guide pin bushing is bolted by three independent plates and formed, and its inner width and height are identical with transverse wedge block, use
In accommodating transverse wedge block, guide pin bushing lower end is bolted with transverse wedge block fulcrum bearing, when perpendicular voussoir pushes transverse wedge block, forces transverse wedge block
During horizontal movement, freedom of motion of the guide pin bushing to limit transverse wedge block makes both sides transverse wedge block can only move toward one another in the horizontal direction
Motion.
Transverse wedge block is made up of transverse wedge block main body, riveting die holder, riveting mould, riveting die holder press strip, and riveting die holder press strip passes through bolt and horizontal stroke
Voussoir main body is connected, and riveting die holder is pressed in therebetween, so that position is fixed, riveting mould and riveting die holder are connected by screw thread
Connect.The side of transverse wedge block main body is provided with screwed hole, to connecting bolt, after the completion of riveting, and transverse wedge block 7 is multiple under the spring tension
Position, while transverse wedge block promotes perpendicular voussoir and driving bar to return to initial position.
Resetting-mechanism is made up of bolt, spring, spring base, and bolt one end is connected with the screwed hole on transverse wedge block, bolt head
It is in contact with spring base, spring is installed between frame rails and spring base, for providing the tension force for resetting riveting mechanism, bullet
The position that spring is contacted with spring base, frame rails is machined with pit, prevents spring from moving radially.
Handwheel is connected by flat key with regulation stud, when rotating clockwise handwheel, and regulation stud is moved downward, and promotes line
Ring support, coil, driving piece and driving bar are moved downward.
Discharge circuit is made up of rectifier, resistance, switch, transformer, electric capacity, coil, transformer secondary coil and rectification
Device, resistance, electric capacity series connection, coil are in parallel with electric capacity, and switch is serially connected with coils from parallel connection of coils branch road.
Further, coil holder guide rod one end is connected by interference fit with the hole on coil holder, other end insertion frame
Pilot hole on frame crossbeam, makes coil holder vertically to move.
Further, erect voussoir and transverse wedge block to be in contact by inclined-plane, inclined-plane is by the vertical direction conversion of motion of perpendicular voussoir
For the horizontal motion of transverse wedge block.
Further, coil is formed by section for 2mm × 10mm copper belt coiling, and red copper interband is carried out with insulating tape
Insulation, copper strips outer application epoxy resin and coagulator, machining is rectangular after solidification, and drilling processes use in upper surface
In the tapped blind hole of connection coil holder, it is connected by bolt with coil holder.
Further, erect voussoir side and be provided with projection, width is identical with the guide groove in frame rails, perpendicular for limiting
The free degree of voussoir, after mechanism is assembled, two perpendicular voussoirs can only move up and down along guide groove.
Present invention also offers a kind of straight-neck rivet biaxial loadings clinching method riveted based on magnetic field impulse, it is characterised in that
Comprise the following steps:
Step 1, straight-neck rivet is put into rivet hole prefabricated on plate, adjustment is riveted the position of part, makes rivet two ends
Riveting mould pit is directed at, and uses clamp.
Step 2, handwheel is rotated clockwise, regulation stud is moved downward, propelling coil seat and coil are moved downward, coil
Promote driving piece, driving bar, perpendicular voussoir to move downward, spring tension overcome by the transverse wedge block of contact of incline plane with perpendicular voussoir,
And horizontal movement, both sides riveting mould is held out against rivet.
Step 3, alternating voltage is boosted by step-up transformer, according to diameter, length and the material for being riveted rivet
Difference, voltage after boosting is also corresponding different.
Step 4, closure switch, make electric capacity discharge.Due to electric current acute variation in coil, induced field is produced, and is sensed
Magnetic field inspires electric current in driving piece again and produces induced field, and two magnetic fields produce powerful repulsion and promote driving piece, drive
Moving plate seat and perpendicular voussoir are moved downward, and perpendicular voussoir transmits the force to transverse wedge block by inclined-plane, and transverse wedge block overcomes spring tension in
Between move, complete straight-neck rivet riveting;
After step 5, electric discharge terminate, riveting mechanism resets under spring tension.
Step 6, handwheel is rotated counterclockwise, regulation stud is increased, spring tension promotes transverse wedge block to two lateral movements, unclamps
Fixture, taking-up is riveted part.
The beneficial effects of the present invention are:
Compared with traditional slug riveting equipment, straight-neck rivet electromagnetic riveting device of the present invention is only put using a coil
Electricity, will will drive horizontal motion of the vertical direction conversion of motion of piece for riveting mould, in transverse wedge block by two pairs of cotter mechanisms
Upper setting spring return mechanism, can adjust the spacing of two riveting moulds, to adapt to the rivet of different length, tool by rotation hand wheel
Have simple in construction, cost is relatively low, easy to operate advantage.
Brief description of the drawings
Fig. 1 is positive two surveys view of slug riveting device;
Fig. 2 is the profile of slug riveting device;
Fig. 3 is the profile that rivet is held out against before slug riveting device is riveted;
Fig. 4 is that slug riveting device rivets the profile for completing the moment;
Fig. 5 is positive two surveys view of transverse wedge block;
Fig. 6 is to be riveted the profile before part riveting;
Fig. 7 is to be riveted the profile after part riveting.
1- handwheels in figure, 2- regulation studs, 3- cruciform bracings, 4- frame rails, 5- erects voussoir, 6- guide pin bushings, 7- transverse wedge blocks,
8- spring bases, 9- bolts, 10- springs, 11- riveting moulds, 12- transverse wedge block fulcrum bearings, 13- bases, 14- coil holder guide rods, 15- lines
Ring support, 16- coils, 17- driving pieces, 18- driving bars, 19- rectifiers, 20- resistance, 21- switches, 22- transformers, 23- electricity
Hold, 24- riveting die holders, 25- riveting die holder press strips,
Embodiment
Technical scheme is described in detail below with reference to accompanying drawing 1-7.
As shown in Figure 1-2, a kind of straight-neck rivet bilateral is provided in the embodiment and loads magnetic field impulse riveting set, including hand
Wheel 1, regulation stud 2, cruciform bracing 3, frame rails 4, perpendicular voussoir 5, guide pin bushing 6, transverse wedge block 7, spring base 8, bolt 9, spring 10,
Riveting mould 11, transverse wedge block fulcrum bearing 12, base 13, coil holder guide rod 14, coil holder 15, coil 16, driving piece 17, driving bar
18th, rectifier 19, resistance 20, switch 21, transformer 22, electric capacity 23, riveting die holder 24, riveting die holder press strip 25.
Specifically, as shown in Fig. 2 industrial voltage 380v is increased to more than 1000v by transformer, after rectifier 19 will be raised
Transformer Rectifier be direct current, by current reduction in the effect charge circuit of resistance 2, DC voltage charges to electric capacity, works as switch
Moment is closed, capacitor 23 discharges coil 16, complete discharge portion.
The screwed hole that size is M80 is provided with the middle of cruciform bracing 3, to accommodate regulation stud 2, screwed hole both sides are provided with line
Ring support pilot hole, for accommodating coil holder guide rod 14, coil 16 is connected by bolt with coil holder 15.
Frame rails 4 are connected by bolt with cruciform bracing 3, and rectangle guide groove is provided with thereon, for accommodating perpendicular voussoir
Guide pad.
Rectangular through-hole is provided with the middle of frame rails 4, transverse wedge block fulcrum bearing 12 is inserted and is fastened by bolts.Framework is indulged
The bottom of beam 4 is connected by bolt with base 13.
Driving piece 17 is connected by bolt with driving bar 18, and driving bar 18 both sides are bolted perpendicular voussoir 5, horizontal
Voussoir 7 is in contact with the inclined-plane of perpendicular voussoir 5, to transmit the magnetic pressure on driving piece 17.
Guide pin bushing 6 is bolted by three independent plates and formed, and its inner width and height are identical with transverse wedge block, use
In accommodating transverse wedge block, the lower end of guide pin bushing 6 is bolted with the fulcrum bearing of transverse wedge block 7, when perpendicular voussoir pushes transverse wedge block, forces transverse wedge
During block horizontal movement, freedom of motion of the guide pin bushing to limit transverse wedge block 7 makes both sides transverse wedge block 7 can only be opposite in the horizontal direction
Do exercises.
The lower end of guide pin bushing 6 is bolted with the fulcrum bearing of transverse wedge block 7, the free degree to limit transverse wedge block 7, makes transverse wedge block
7 can only move in the horizontal direction.
Transverse wedge block 7 is made up of transverse wedge block main body 26, riveting die holder 24, riveting mould 11, riveting die holder press strip 25, and riveting die holder press strip 25 leads to
Cross bolt with transverse wedge block main body 26 to be connected, riveting die holder 24 is pressed in therebetween, so that position is fixed, riveting mould 11 and riveting
Die holder 24 is connected through a screw thread.Fixed when being riveted plate position, when riveting mould 24 is highly improper, riveting die holder press strip can be outwarded winding
The height of riveting die holder 24 is adjusted fastening bolt.The side of transverse wedge block 7 is provided with screwed hole, to connecting bolt, when having riveted
Cheng Hou, transverse wedge block 7 resets under the spring tension, while transverse wedge block 7 promotes perpendicular voussoir 5 and driving bar 18 to return to initial position.
Resetting-mechanism is made up of bolt 9, spring 10, spring base 8, and the one end of bolt 9 is connected with the screwed hole on transverse wedge block 7,
Bolt head is in contact with spring base 8, and spring 10 is installed between frame rails 4 and spring base 8, and riveting mechanism is answered for providing
The tension force of position, the position that spring 10 is contacted with spring base 8, frame rails 4 is machined with pit, prevents spring 10 from occurring radially to move
It is dynamic.
Handwheel 1 is connected by flat key with regulation stud 2, when rotating clockwise handwheel 1, and regulation stud 2 is moved downward, and is pushed away
Moving-wire ring support 15, coil 16, driving piece 17 and driving bar 18 are moved downward.When riveting the rivet of different length, rotation can be passed through
Changing hands wheel 1 makes both sides riveting mould 11 hold out against rivet.
Discharge circuit is made up of rectifier 19, resistance 20, switch 21, transformer 22, electric capacity 23, coil 16, transformer 22
Secondary coil is connected with rectifier 19, resistance 20, electric capacity 23, and coil 16 is in parallel with electric capacity 23, is serially connected with coils from parallel connection of coils branch road
Switch 21.
The rivet of different-diameter can be riveted by changing various sizes of riveting mould 11.
When carrying out the rivet of straight-neck rivet using said apparatus, its process is to comprise the following steps:
Step 1, straight-neck rivet is put into rivet hole prefabricated on plate, adjustment is riveted the position of part, makes rivet two ends
Riveting mould pit is directed at, and uses clamp.
Step 2, handwheel 1 is rotated clockwise, regulation stud 2 is moved downward, propelling coil seat 15 and coil 16 are transported downwards
Dynamic, coil 16 promotes driving piece 17, driving bar 18, perpendicular voussoir 5 to move downward, the transverse wedge for passing through contact of incline plane with perpendicular voussoir 5
Block 7 overcomes the tension force of spring 10, and horizontal movement, both sides riveting mould 11 is held out against rivet.
Step 3, alternating voltage is boosted by step-up transformer 22, according to diameter, length and the material for being riveted rivet
The difference of matter, the voltage after boosting is also corresponding different.
Step 4, closure switch 21, make electric capacity 23 discharge.Due to electric current acute variation in coil 16, induced field is produced,
And induced field inspires electric current in driving piece and produces induced field, two magnetic fields produce powerful repulsion and promote driving
Piece 17, driving bar 18 and perpendicular voussoir 5 are moved downward, and perpendicular voussoir 5 transmits the force to transverse wedge block 7 by inclined-plane, and transverse wedge block 7 overcomes
The tension force of spring 10 completes the riveting of straight-neck rivet to intermediary movements, because angle is 45 ° between inclined-plane and horizontal plane, if perpendicular voussoir
Displacement be h, according to the relation of trigonometric function, the horizontal direction displacement of transverse wedge block is h/tan45 °, as h.
After step 5, electric discharge terminate, riveting mechanism resets under the tension force effect of spring 10.
Step 6, handwheel is rotated counterclockwise, regulation stud is increased, spring tension promotes transverse wedge block 7 to two lateral movements, pine
Fixture is opened, taking-up is riveted part.
Claims (6)
1. a kind of straight-neck rivet bilateral loads magnetic field impulse riveting set, it is characterised in that:Including handwheel (1), regulation stud (2),
Cruciform bracing (3), frame rails (4), perpendicular voussoir (5), guide pin bushing (6), transverse wedge block (7), spring base (8), bolt (9), spring
(10), riveting mould (11), transverse wedge block fulcrum bearing (12), base (13), coil holder guide rod (14), coil holder (15), coil (16),
Drive piece (17), driving bar (18), rectifier (19), resistance (20), switch (21), transformer (22), electric capacity (23), riveting mould
Seat (24), riveting die holder press strip (25), transverse wedge block main body (26), wherein:
Screwed hole is provided with the middle of cruciform bracing (3), to accommodate regulation stud (2), screwed hole both sides are provided with coil holder pilot hole,
For accommodating coil holder guide rod (14);
Frame rails (4) are connected by bolt with cruciform bracing (3), and rectangle guide groove is provided with thereon, for accommodating perpendicular voussoir
Guide pad;
Rectangular through-hole is provided with the middle of frame rails (4), transverse wedge block fulcrum bearing (12) is inserted and is fastened by bolts;Framework is indulged
Beam (4) bottom is connected by bolt with base (13);
Driving piece (17) is connected by bolt with driving bar (18), and driving bar (18) both sides are bolted perpendicular voussoir
(5), transverse wedge block (7) is in contact with the inclined-plane of perpendicular voussoir (5), to transmit the magnetic pressure on driving piece (17);
Guide pin bushing (6) is bolted by three independent plates and formed, and its inner width and height are identical with transverse wedge block, are used for
Transverse wedge block is accommodated, guide pin bushing (6) lower end is bolted with transverse wedge block (7) fulcrum bearing, when perpendicular voussoir pushes transverse wedge block, force horizontal stroke
During voussoir horizontal movement, freedom of motion of the guide pin bushing to limit transverse wedge block (7) makes both sides transverse wedge block (7) can only be along level side
To move toward one another;
Transverse wedge block is made up of transverse wedge block main body (26), riveting die holder (24), riveting mould (11), riveting die holder press strip (25), riveting die holder press strip
(25) it is connected by bolt with transverse wedge block main body (26), riveting die holder (24) is pressed in therebetween, so that position is fixed,
Riveting mould (11) and riveting die holder (24) are connected through a screw thread;The side of transverse wedge block (7) is provided with screwed hole, to connecting bolt, works as riveting
After the completion of connecing, transverse wedge block (7) resets under the spring tension, while transverse wedge block (7) promotes perpendicular voussoir (5) and driving bar (18) to return
To initial position;
Resetting-mechanism is made up of bolt (9), spring (10), spring base (8), bolt (9) one end and the screwed hole on transverse wedge block (7)
It is connected, bolt head is in contact with spring base (8), and spring (10) is installed between frame rails (4) and spring base (8), for carrying
For the tension force for resetting riveting mechanism, the position that spring (10) is contacted with spring base (8), frame rails (4) is machined with pit,
Prevent spring (10) from moving radially;
Handwheel (1) is connected by flat key with regulation stud (2), when rotating clockwise handwheel (1), and regulation stud (2) is downwards
Motion, propelling coil seat (15), coil (16), driving piece (17) and driving bar (18) are moved downward;
Discharge circuit is made up of rectifier (19), resistance (20), switch (21), transformer (22), electric capacity (23), coil (16),
Transformer (22) secondary coil is connected with rectifier (19), resistance (20), electric capacity (23), and coil (16) is in parallel with electric capacity (23),
Switch (21) is serially connected with coils from parallel connection of coils branch road.
2. straight-neck rivet bilateral according to claim 1 loads magnetic field impulse riveting set, it is characterised in that:Coil holder is oriented to
Bar (14) one end is connected by interference fit with the hole on coil holder (15), the pilot hole on other end insertion cruciform bracing, is made
Coil holder (15) can only be moved vertically.
3. straight-neck rivet bilateral according to claim 1 loads magnetic field impulse riveting set, it is characterised in that:Perpendicular voussoir (5)
Be in contact with transverse wedge block (7) by inclined-plane, inclined-plane by the vertical direction conversion of motion of perpendicular voussoir (5) be transverse wedge block (7) level
Move in direction.
4. straight-neck rivet bilateral according to claim 1 loads magnetic field impulse riveting set, it is characterised in that:Coil is by section
Formed for 2mm × 10mm copper belt coiling, red copper interband is insulated with insulating tape, copper strips outer application epoxy resin and
Machining is rectangular after coagulator, solidification, and processes the tapped blind hole for connecting coil holder in upper surface drilling, passes through
Bolt is connected with coil holder (15).
5. straight-neck rivet bilateral according to claim 1 loads magnetic field impulse riveting set, it is characterised in that:Perpendicular voussoir (5)
Side is provided with projection, and width is identical with the guide groove in frame rails, and the free degree for limiting perpendicular voussoir (5) works as mechanism
After assembling, two perpendicular voussoirs (5) can only move up and down along guide groove.
6. a kind of straight-neck rivet biaxial loadings clinching method riveted based on magnetic field impulse, it is characterised in that comprise the following steps:
Step 1, straight-neck rivet is put into rivet hole prefabricated on plate, adjustment is riveted the position of part, is directed at rivet two ends
Riveting mould pit, and use clamp;
Step 2, rotate clockwise handwheel (1), move downward regulation stud (2), propelling coil seat (15) and coil (16) to
Lower motion, coil (16) promotes driving piece (17), driving bar (18), perpendicular voussoir (5) to move downward, and passes through with perpendicular voussoir (5)
The transverse wedge block (7) of contact of incline plane overcomes spring (10) tension force, and horizontal movement, both sides riveting mould (11) is held out against rivet;
Step 3, alternating voltage is boosted by step-up transformer (22), according to diameter, length and the material for being riveted rivet
Difference, voltage after boosting is also corresponding different;
Step 4, closure switch (21), make electric capacity (23) discharge;Due to electric current acute variation in coil (16), sensing magnetic is produced
, and induced field inspires electric current in driving piece (17) and produces induced field, two magnetic fields produce powerful repulsion simultaneously
Driving piece (17), driving bar (18) and perpendicular voussoir (5) is promoted to move downward, perpendicular voussoir (5) transmits the force to horizontal stroke by inclined-plane
Voussoir (7), transverse wedge block (7) overcomes spring (10) tension force to intermediary movements, completes the riveting of straight-neck rivet;
After step 5, electric discharge terminate, riveting mechanism resets under the tension force effect of spring (10);
Step 6, handwheel (1) is rotated counterclockwise, regulation stud (2) is increased, spring tension promotes transverse wedge block (7) to be transported to both sides
It is dynamic, fixture is unclamped, taking-up is riveted part.
Priority Applications (1)
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CN201610527190.1A CN105903884B (en) | 2016-07-06 | 2016-07-06 | A kind of straight-neck rivet bilateral loads magnetic field impulse riveting set |
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CN201610527190.1A CN105903884B (en) | 2016-07-06 | 2016-07-06 | A kind of straight-neck rivet bilateral loads magnetic field impulse riveting set |
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CN105903884B true CN105903884B (en) | 2017-07-28 |
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2016
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