A kind of Novel lightweight electromagnetism self-pierce riveting rifle
Technical field
The utility model relates to the technical fields of riveting equipment, lead more particularly to the technology of electromagnetic rivetter
Domain.
Background technique
With auto manufacturing's flourishing in China, the vehicle body interconnection technique of new-energy automobile is faced with various
Challenge, the especially connection of dissimilar material and metal material.Electromagnetism self-punching riveting technology is a kind of without punching in advance and special
Not Shi Yongyu dissimilar material plate interconnection technique.By feat of in terms of riveting difficult moulding material and composite material, there is tradition
The advantage that riveting and traditional self-piercing riveting can not replace, before electromagnetism self-piercing riveting has wide application in automobile manufacturing field
Scape.Currently, China only develops some fixed, portable electromagnetic rivet drivers, rarely has research to portable electromagnetism self-pierce riveting rifle.And
And solenoid used in these electromagnetic rivet drivers there are induction reactance it is excessive, discharge current is small the defects of.Such as patent application
CN105903884A, it is small that this will lead to forming force, and thermal diffusivity is bad.Furthermore all there is riveting quality consistency for existing equipment
Difference, the connection that structure is complicated for large labor intensity, riveting system, high production cost, applicable object are only the simple workpiece of some structures
And defect and drawback that injury of the recoil to operator is big, it is limited by very large in practical implementation.Together
When, such as patent CN101817056A handheld electromagnetic self-pierce riveting rifle, exist be not easy to control, riveting recoil cannot be offset so that
Riveting gun is difficult to the problems such as operating.Therefore, research and develop a structure is simple, forming force is big Novel lightweight electromagnetism self-pierce riveting rifle for
The popularization and application of electromagnetism self-punching riveting technology are extremely urgent.
Utility model content
The purpose of this utility model is exactly that provide a kind of structure in order to solve above-mentioned deficiency simple, can effectively improve line
The frequency and size of loop current, forming force is big, and recoil is small, riveting process flexible operation, can reduce material riveting operation intensity,
And cost is relatively low, has the Novel lightweight electromagnetism of certain reference and directive significance from punching the development of Electromagnetic riveting technology
Riveting gun.
In order to solve the above-mentioned technical problem technical solution that the utility model uses is as follows:
A kind of Novel lightweight electromagnetism self-pierce riveting rifle, it includes formed punch, amplifier, driving piece carrier, drives piece, is outer
Shell, coil, coil supporter, rubber buffer, fixed plate, guiding rod sleeve, buffer stopper, guide rod, spring upper holder block, connection
Seat, reset spring, guide cylinder, spring downward block and electromagnetic equipment, the coil supporter are fixedly mounted on the bottom of fixed plate, institute
It states rubber buffer to be fixedly mounted in fixed plate, the buffer stopper is fixedly mounted on rubber buffer, the spring downward
Block is fixedly mounted in fixed plate, and the guide cylinder is fixedly mounted on spring downward block, and the attachment base, which is fixedly mounted on, leads
To the top of cylinder, the annular groove of stepped arrangement is offered in the lower part of coil supporter, the coil is in corresponding with annular groove
Annular, coil are respectively and fixedly installed in annular groove, which is electrically connected to each other, and are opened up in the fixed plate and coil supporter
There is pilot hole, the guiding rod sleeve fixing sleeve is set on the outside of guide rod, and activity is plugged in pilot hole, the guide rod
Top movable is plugged in guide cylinder, and the spring upper holder block is fixedly mounted on the upper end of guide rod, the reseting spring sleeve
It sets on the outside of guide rod, the upper end of reset spring is resisted against on spring upper holder block, and the lower end of reset spring is resisted against spring
On lower lock block, the lower end of the guide rod is fixedly connected with amplifier, and the driving piece carrier is fixed to be nested in guiding rod set
Cylinder outside, and is fixedly connected with amplifier, and for the driving piece carrier in tower-like, the driving piece is respectively and fixedly installed to driving piece load
On body, which is in annular corresponding with coil respectively, and is fitted with coil, and the formed punch is fixedly mounted on amplifier
Bottom, the fixed cover of the shell sets the outside portion in fixed plate and coil supporter, and the electromagnetic equipment is by booster, rectification
Device, capacitor and switch are constituted, and the switch is made of operating switch and charge switch, the secondary coil of the booster and rectification
Device, capacitor and charge switch are electrically connected in series, and the coil is electrically connected with capacitor parallel connection, and the operating switch is connected on coil
In parallel branch.
It further includes having connector and connector lug, and the adjacent coil is electrically connected by connector, the connector lug point
It is not fixedly mounted in top layer and undermost coil, and is electrically connected respectively with top layer and undermost coil, the wiring
Head is electrically connected with the capacitor of electromagnetic equipment, is offered respectively on the coil supporter, fixed plate, rubber buffer and buffer stopper
Wiring head bore corresponding with connector lug offers groove corresponding with connector on coil supporter.
The driving piece carrier is made of annular support plate, and the annular support plate fixation stacks together, and annular support plate is under
Supreme diameter is sequentially reduced, and the annular support plate is fixed to be nested on the outside of guiding rod sleeve, and the driving piece is fixedly mounted on annular
On support plate, which is driving coil.
It further includes having housing screw, offers threaded hole in the upper end of guide rod, offers on spring upper holder block
Through-hole, the housing screw is set in the through-hole of spring upper holder block, and is located in the threaded hole of guide rod.
The lower part of the amplifier is tapered.
The top setting of the attachment base is in ring flange, and lower part setting is in cylinder, and attachment base is nested with by the fixation of its cylinder
On guide cylinder.
The buffer stopper uses No. 45 Steel materials, and the connector uses zirconium copper product.
It further includes having cavity plate, and the cavity plate is located at below formed punch, and corresponding with formed punch.
The utility model is using the above-mentioned attainable beneficial effect of technical solution:
1, the utility model lightweight electromagnetism self-pierce riveting rifle realizes under the premise of guaranteeing rivet ability, reduces riveting gun
Volume and weight, be simplified its structure, effectively reduce manufacturing cost.
2, the coil of the utility model lightweight electromagnetism self-pierce riveting rifle is annular, and is arranged using tower-like form, relative to tradition
Solenoid substantially reduces induction reactance, effectively increases the frequency and size of electric current, and forming force increases, and thermal diffusivity is good.
3, the buffer structure of spring is used different from traditional riveting gun, the utility model lightweight electromagnetism self-pierce riveting rifle uses buffer stopper
With rubber buffer as buffer structure, space length is greatly reduced, and damping effect is obvious, is significantly reduced in the course of work
The recoil that riveting gun generates.
4, the utility model lightweight electromagnetism self-pierce riveting rifle is in practical implementation, can be by attachment base by this riveting gun and mechanical
Arm is attached, and realize semi-automation control, to reduce the intensity of manual work, well ensures the one of workpiece riveting
Cause property, and, assembly line suitable for workpiece automation connection at low cost compared with automatic control.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the structural schematic diagram of the utility model coil, connector lug, connector;
Fig. 3 is the structural schematic diagram of the utility model coil supporter;
Fig. 4 is the structural schematic diagram that the utility model list pounds driving piece;
Fig. 5 is the structural schematic diagram that the utility model drives piece carrier;
Fig. 6 is the structural schematic diagram of the utility model guide rod;
Fig. 7 is the structural schematic diagram of the utility model rubber buffer;
Fig. 8 is the structural schematic diagram of the utility model buffer stopper;
Fig. 9 is the structural schematic diagram of the utility model amplifier;
Figure 10 is the structural schematic diagram of the utility model attachment base;
Figure 11 is the structural schematic diagram of the utility model fixed plate;
Figure 12 is the structural schematic diagram of the utility model spring downward block;
Figure 13 is the structural schematic diagram of the utility model guide cylinder.
Specific embodiment
As shown in Figure 1, a kind of Novel lightweight electromagnetism self-pierce riveting rifle, it includes formed punch 1, amplifier 5, driving piece carrier
37, piece 7, shell 8, coil 9, coil supporter 10, rubber buffer 11, fixed plate 12, guiding rod sleeve 13, buffer stopper are driven
14, guide rod 15, spring upper holder block 16, attachment base 18, reset spring 19, guide cylinder 20, spring downward block 21, electromagnetic equipment
28, connector 29, connector lug 22, housing screw 17 and cavity plate 3, the coil supporter 10 are fixedly mounted on the bottom of fixed plate 12
Portion, the rubber buffer 11 are fixedly mounted in fixed plate 12, and the buffer stopper 14 is fixedly mounted on rubber buffer 11,
No. 45 Steel materials can be used in the buffer stopper 14.As shown in Figure 12, the spring downward block 21 is fixedly mounted in fixed plate 12, by
Shown in Figure 13, the guide cylinder 20 is fixedly mounted on spring downward block 21, and the attachment base 18 is fixedly mounted on guide cylinder 20
Top, and can be installed as follows: as shown in Figure 10, the top setting of the attachment base 18 is in ring flange, lower part
Setting is in cylinder, and attachment base 18 is nested on guide cylinder 20 by the fixation of its cylinder.It is offered in the lower part of coil supporter 10 and is in
The annular groove 31 of ladder-like arrangement, the coil 9 are in annular corresponding with annular groove 31, and coil 9 is respectively and fixedly installed to annular groove 31
Interior, which is electrically connected to each other, and using above-mentioned tower-like arrangement form relative to traditional solenoid, induction reactance reduces coil 9, can
The size and frequency of electric current are effectively improved, heat dissipation performance is more perfect.It is offered in the fixed plate 12 and coil supporter 10
Pilot hole 32, guiding rod sleeve 13 fixation is nested in the outside of guide rod 15, and activity is plugged in pilot hole 32.By scheming
Shown in 1 and Fig. 6, the top movable of the guide rod 15 is plugged in guide cylinder 20, and the spring upper holder block 16 is fixedly mounted on
The upper end of guide rod 15, and can be installed as follows: threaded hole is offered in the upper end of guide rod 15, in spring
Through-hole is offered on upper holder block 16, the housing screw 17 is set in the through-hole of spring upper holder block 16, and is located on guide rod
In 15 threaded hole.The reset spring 19 is nested in 15 outside of guide rod, and the upper end of reset spring 19 is resisted against on spring
On briquetting 16, the lower end of reset spring 19 is resisted against on spring downward block 21, the lower end of the guide rod 15 and amplifier 5
It is fixedly connected, the driving piece carrier 37 is fixed to be nested in 13 outside of guiding rod sleeve, and is fixedly connected with amplifier 5, by Fig. 5
Shown, in tower-like, the driving piece 7 is respectively and fixedly installed to drive on piece carrier 37 the driving piece carrier 37, as shown in Figure 4,
The driving piece 7 is in respectively annular corresponding with coil 9, and is fitted with coil 9, and the driving piece carrier 37 is by annular support plate
6 are constituted, and the annular support plate 6, which such as can be connected or weld by bolt 38 at the modes, to be fixed and stacks together, annular support plate 6 by down toward
Upper diameter is sequentially reduced, and the annular support plate 6 is fixed to be nested in 13 outside of guiding rod sleeve, and the driving piece 7 is fixedly mounted on ring
On shape support plate 6, which is driving coil.The formed punch 1 is fixedly mounted on the bottom of amplifier 5, as shown in Figure 9, amplification
The lower part of device 5 is tapered.The cavity plate 3 is located at 1 lower section of formed punch, and corresponding with formed punch 1.The fixed cover of the shell 8 is set solid
The outside portion of fixed board 12 and coil supporter 10.The electromagnetic equipment 28 is by booster 24,27 structure of rectifier 25, capacitor 26 and switch
At the switch 27 is made of operating switch 33 and charge switch 34, secondary coil and rectifier 25, the electricity of the booster 24
Appearance 26 and charge switch 34 are electrically connected in series, and the coil 9 is electrically connected with 26 parallel connection of capacitor, and the operating switch 33 is connected online
In the parallel branch of circle 9.Between adjacent coil 9, coil 9 and the specific connection type of capacitor 26 it is as follows: as shown in Figure 2, institute
It states adjacent coil 9 to be electrically connected by connector 29, which uses zirconium copper product.The connector lug 22 is fixed respectively to pacify
Be electrically connected in top layer and undermost coil 9, and respectively with top layer and undermost coil 9, the connector lug 22 with
The capacitor 26 of electromagnetic equipment 28 is electrically connected, as shown in Fig. 3, Fig. 7, Fig. 8 and Figure 11, in the coil supporter 10, fixed plate 12, rubber
Wiring head bore 30 corresponding with connector lug 22 is offered on glue cushion 11 and buffer stopper 14 respectively, is opened on coil supporter 10
Equipped with groove 36 corresponding with connector 29.
The riveting work process of the utility model lightweight electromagnetism self-pierce riveting rifle is as follows:
(1) the utility model lightweight electromagnetism self-pierce riveting rifle is fixedly mounted on the robotic arm by attachment base 18, control is mechanical
Arm adjusts the position of the utility model lightweight electromagnetism self-pierce riveting rifle, and the workpiece 4 riveted will be needed to be placed between cavity plate 3 and rivet 2, and
The heart is compressed, guarantees formed punch 1, rivet 2, riveting workpiece 4 and cavity plate 3 on the same axis.
(2) primary coil of 28 booster 24 of electromagnetic equipment is electrically connected with power supply 23, disconnects operating switch 33, connection is filled
Electric switch 34, power supply 23 are boosted by booster 24 and are charged after being rectified by rectifier 25 for capacitor 27, after charging complete, connect
Logical operating switch 33, disconnects charge switch 34, completes the discharge process of electromagnetic equipment 28.In discharge process, pulse current passes through
Connector lug 22 is passed in coil 9, and 9 surrounding of coil generates impulse magnetic field, and the magnetic field is in the driving piece 7 coupled with coil 9
In inspire induced current so that the driving generation of piece 7 is inducted eddy current magnetism, two magnetic fields generate powerful repulsion and push driving
The affixed entirety such as piece 7, driving piece carrier 37, guide rod 15, amplifier 5 and formed punch 1 move downward and compression reseting spring 19,
It is acted on rivet 2 by formed punch 1, is completed in a short time the riveting to workpiece 4.
(3) while driving piece 7 to move downward, coil 9 is since the effect of vortex repulsion moves upwards, motion process
Middle major part recoil is absorbed by buffer stopper 14 and rubber buffer 11.
(4) after discharging, under the action of compressed reset spring 19, driving piece 7 does recovery movement, until extensive
Initial position is arrived again, is removed the workpiece 4 completed by the riveting of rivet 2, is completed the riveting of workpiece 4.