A kind of handheld electromagnetic self-piercing riveting device
Technical field
The utility model relates to the technical fields of riveting set, more particularly to the skill of electromagnetism self-piercing riveting device
Art field.
Background technique
Riveting technology is the method using the two or more components of rivet interlacement, it has easy to operate, and connection is strong
The advantages that degree is reliable and pollution-free.Electromagnetic riveting is using a kind of riveting process of electromagnetic force load, it is compared with conventional rivet connection
Have many advantages, such as strength of joint is high, amount of interference it is uniform work efficiency is high, have relatively broad answer in aerospace field at present
With.Conventional rivet connection technology first must carry out pre-punched hole to riveting material, then be attached with rivet, complex process, low efficiency and
It is not easy to realize automation.Self-punching riveting technology is passed through using hydraulic or servo motor loading method punching press semitubular rivet
The expansion of nail leg forms interlocking structure after rivet puncture connection plate, to reach a kind of Joining Technology of connection effect.It has
There is the features such as being not necessarily to drilling in advance, strength of joint is reliable, high-efficient, environmental pollution is small.It can be used for magnalium, composite material and height
Connection between the xenogenesis lightweight material such as strength steel adapts to the various surface state of preprocessing, precoated shet, bonding and sealing element
It is required that;Increase the flexibility of production, significantly improves working efficiency, excellent properties needed for connector has engineering.Therefore,
It is very excellent using the electromagnetism self-punching riveting technology switching performance of electromagnetic riveting principle.
With the propulsion of made in China 2025 and the demand to high efficiency under automated production, traditional self-pierce riveting
Connection device volume is larger, is not easy to connect with mechanical arm.As the raising to production requirement finds previous electromagnetism self-piercing riveting
Device still has many deficiencies, although if patent application CN 101,817,056 25 is by electromagnetic force as the hand-held of driving force
Formula self-piercing riveting device, but the device is only applicable to a kind of size rivet, it is larger using limitation, and the device drives device
It is separated with attachment device, operability is bad;Meanwhile the device has ignored cavity plate and rivet to the huge difficult point of the heart, rivet cavity plate
Stand alone type design can not make rivet recoil offset, with hand come provide riveting reaction force be difficult to realize.Therefore, optimize
Device structure designs a kind of novel self-piercing riveting device, makes its further economization, miniaturization, flexibility, will be following hair
Exhibition trend.
Utility model content
The purpose of this utility model is exactly to solve above-mentioned deficiency and electricity can conveniently and efficiently be realized by providing one kind
Magnetic self-piercing riveting can be used for the connection of dissimilar material plate, without punching in advance;Cavity plate and rivet are able to achieve accurately to the heart, riveting
It is high-quality;Rivet force is cancelled out each other in the device, safety easy to operate, to extraneous fanout free region;To solve current self-piercing riveting
The problems such as complex process existing for technology, joint quality are poor and are difficult to realize automation, while to solve current electromagnetism certainly
The existing difficult, active force to the heart of piercing riveting device can not be offset and handheld electromagnetic self-pierce riveting the problems such as high operation requirements is hinged with
It sets.
In order to solve the above-mentioned technical problem technical solution that the utility model uses is as follows:
A kind of handheld electromagnetic self-piercing riveting device, it is made of electromagnetic riveting device and electromagnetism self-pierce riveting rifle, the electricity
Magnetic riveting set is made of switch, rectifier, capacitor and transformer, and the electromagnetism self-pierce riveting rifle is by rear cover, rubber pad, electromagnetic wire
Circle, driving piece, spring, riveting gun shell, amplifier, formed punch, guide ring, cavity plate, c-type frame, nuts and bolt composition, the transformation
The secondary coil of device is electrically connected in series with rectifier and capacitor, and the electromagnetic coil is electrically connected with capacitor parallel connection, the switch series
It is associated in the parallel branch of electromagnetic coil, the top of the riveting gun shell is open-like shape, and the electromagnetic coil is fixedly mounted on riveting
In rifle shell, the fixed lid of the rear cover sets the open-mouth in riveting gun shell upper, and the rubber pad is fixed to be interposed in rear cover and electricity
Between magnetic coil, the lower part setting of riveting gun shell is in guide cylinder, and the lower part setting of the amplifier is in guide post, and the guide post is living
Dynamic to be plugged in the guide cylinder of riveting gun shell, the spring is nested on the outside of amplifier, and the lower end of spring is resisted against outside riveting gun
On the inner wall of shell, the upper end of spring is resisted against on amplifier, the upper end for driving piece to be fixedly mounted on amplifier, and with
Electromagnetic coil fits, and the formed punch is fixedly mounted on the lower end of guide post, and the guide ring is fixedly mounted on guide cylinder
Lower end in, in guide ring, the cavity plate is mounted on c-type frame for formed punch activity holding, offers guiding on the c-type frame
Hole, c-type frame are nested on the guide cylinder of riveting gun shell by pilot hole activity, and the first adjustment hole is offered on riveting gun shell,
The second adjustment hole is offered respectively in the both sides of c-type frame, and the bolt is set in the first adjustment hole and the second adjustment hole respectively
Interior, the nut is located on the bolt below c-type frame.
It is covered after described and is provided with handle, offer corresponding central through hole respectively on rear cover and rubber pad,
The edge of rear cover and rubber pad offers corresponding rectangular through-hole respectively, and the binding post of electromagnetic coil is respectively from central through hole
It is pierced by with rectangular through-hole, and is electrically connected with capacitor parallel connection, annular groove is offered on the inner sidewall of riveting gun shell upper, it is described
Electromagnetic coil is fixedly mounted in the annular groove.
It further includes having abutment sleeve, the top of amplifier is provided with frustum face, the abutment sleeve is fixedly mounted on
In riveting gun shell, in abutment sleeve, upper end is resisted against on the frustum face of amplifier the fixed holding in the lower end of the spring.
Opened up on the c-type frame fluted, the cavity plate holding is in the groove, the upper surface of the cavity plate and c-type
The end face flush of frame, offers the through-hole being connected with groove on c-type frame.
The guide ring is magnetic material.
Threaded hole is offered in the bottom of the guide post, external screw thread, formed punch are provided on the lateral wall on formed punch top
It is located in the threaded hole of guide post by its external screw thread.
The driving piece is driving coil.
The utility model is using the above-mentioned attainable beneficial effect of technical solution: with con-ventional handheld self-pierce riveting
Connection device is compared, riveting set provided by the utility model using electromagnetic force load, have riveting effect it is good, it is high-efficient and
The advantages that easily controllable;It is connect by replacement rear cover structure with mechanical arm, can be realized automation control;With existing hand-held electricity
Magnetic self-piercing riveting device is compared, this riveting set can be realized the accurate to the heart of rivet and cavity plate, greatly increases riveting effect
Rate, and architecture quality reliability is improved, while can be realized rivet force and offsetting in internal system, riveting is safe and reliable;It is logical
Replacement formed punch, guide ring and cavity plate are crossed, and by adjusting c-type rack position, can be realized different plate thickness and different rivet sizes
Riveting requirement, device more flexibility.
Detailed description of the invention
Fig. 1 is the main view sectional view of the utility model;
Fig. 2 is the left view structural representation of electromagnetism self-pierce riveting rifle in Fig. 1;
Fig. 3 is the three-dimensional cutaway view of the utility model.
Specific embodiment
As shown in Fig. 1, Fig. 2 and Fig. 3, a kind of handheld electromagnetic self-piercing riveting device, it is by electromagnetic riveting device 1 and electromagnetism
Self-pierce riveting rifle 2 forms, and the electromagnetic riveting device 1 is made of switch 3, rectifier 4, capacitor 5 and transformer 6, and the electromagnetism is certainly
Sleeving and riveting rifle 2 is by rear cover 9, rubber pad 10, electromagnetic coil 11, driving piece 12, spring 13, riveting gun shell 25, amplifier 26, formed punch
17, guide ring 18, cavity plate 20, c-type frame 21, nut 23, bolt 24 and abutment sleeve 14 form, the secondary wire of the transformer 6
Circle is electrically connected in series with rectifier 4 and capacitor 5, and the electromagnetic coil 11 is electrically connected with 5 parallel connection of capacitor, and the switch 3 is connected on
In the parallel branch of electromagnetic coil 11.The top of the riveting gun shell 25 is open-like shape, and the electromagnetic coil 11 is fixedly mounted on
In riveting gun shell 25, the fixed lid of the rear cover 9 sets the open-mouth on 25 top of riveting gun shell, and the fixation of rubber pad 10 is interposed in
Between rear cover 9 and electromagnetic coil 11, the reaction force of rivet force and filling processing gap when rubber pad 10 is to buffer electric discharge,
It is provided with handle 8 on the rear cover 9, also handle 8 can be replaced with stud, so that electromagnetism self-pierce riveting rifle 2 can be with machinery
Arm is attached.The specific mounting means of electromagnetic coil 11 and as follows with the specific electric connection mode of capacitor 5: in rear cover 9 and rubber
Corresponding central through hole 34 is offered on rubber mat 10 respectively, is offered respectively relatively in the edge of rear cover 9 and rubber pad 10
The binding post 36 of the rectangular through-hole 35 answered, electromagnetic coil 11 is pierced by from central through hole 34 and rectangular through-hole 35 respectively, and with capacitor 5
Parallel connection electrical connection, offers annular groove 30 on the inner sidewall on 25 top of riveting gun shell, and the electromagnetic coil 11 is fixedly mounted
In the annular groove 30.The lower part setting of riveting gun shell 25 is in guide cylinder 15, and the lower part setting of the amplifier 26 is in guiding
Column 16,16 activity of guide post are plugged in the guide cylinder 15 of riveting gun shell 25, and the spring 13 is nested in 26 outside of amplifier,
The lower end of spring 13 is resisted against on the inner wall of riveting gun shell 25, and the upper end of spring 13 is resisted against on amplifier 26.Spring 13
Specific mounting means it is as follows: the top of amplifier 26 is provided with frustum face 31, the abutment sleeve 14 is fixedly mounted on riveting
In rifle shell 25, for the fixed holding in the lower end of the spring 13 in abutment sleeve 14, upper end is resisted against the cone of amplifier 26
On table top 31.The driving piece 12 is driving coil, which is fixedly mounted on the upper end of amplifier 26, and and electromagnetism
Coil 11 fits, and drives the area of piece 12 small compared with electromagnetic coil 11, so that driving piece 12 can be completely contained in electromagnetic wire
In the magnetic field of circle 11.The formed punch 17 is fixedly mounted on the lower end of guide post 16, and formed punch 17 can be consolidated as follows
Dingan County's dress: offering threaded hole 33 in the bottom of the guide post 16, be provided with external screw thread on the lateral wall on 17 top of formed punch,
Formed punch 17 is located in the threaded hole 33 of guide post 16 by its external screw thread.The guide ring 18 is fixedly mounted on guide cylinder 15
In lower end, for 17 activity holding of formed punch in guide ring 18, magnetic material is can be used in the guide ring 18, so as to riveting when can
Absorption fixation is carried out to rivet 19.The cavity plate 20 is mounted on c-type frame 21, and can be installed as follows: in c-type frame
Fluted 37 are opened up on 21,20 holding of cavity plate is in the groove 37.The upper surface of the cavity plate 20 is equal with the end face of c-type frame 21
Together, the through-hole 32 being connected with groove 20 is offered on c-type frame 21, through-hole 32 is for replacing cavity plate 20 and cleaning groove 37
Wherein clast that may be present.Pilot hole 27 is offered on the c-type frame 21, c-type frame 21 is nested with by 27 activity of pilot hole
On the guide cylinder 15 of riveting gun shell 25, the first adjustment hole 28 is offered on riveting gun shell 25, in the two side portions of c-type frame 21
The second adjustment hole 29 is not offered, and the bolt 24 is set in respectively in the first adjustment hole 28 and the second adjustment hole 29, the spiral shell
Mother 23 is located on the bolt 24 of 21 lower section of c-type frame.
The riveting work process of this handheld electromagnetic self-piercing riveting device is as follows:
(1), rivet 19 is placed in guide ring 18, the plate 22 riveted will be needed to be placed on the c-type frame at cavity plate 20
On 21, rotating nuts 23 adjust the position of c-type frame 21, and plate 22 is clamped between guide cylinder 15 and cavity plate 20;
(2), the primary coil of transformer 6 is electrically connected with power supply 7, is risen by transformer 6 by commercial power is exchanged
Exchange commercial power is boosted to 1000V or more by pressure, and the High Level AC Voltage after boosting is charged by rectifier 4 to capacitor 5, root
The discharge energy of capacitor 5 is adjusted according to the thickness for needing to rivet plate 22;
(3), closure switch 3, capacitor 5 are discharged by electromagnetic coil 11, and electromagnetic coil 11 sharply increases production due to electric current
Raw pulse induction magnetic field, induced magnetic field make that piece 10 is driven to generate induced current and generate induced magnetic field, the long-range navigation between two magnetic fields
Dynamic driving piece 10 and the whole pushing of amplifier 26 are hereby pushed, kinetic energy is passed into the impact rivet 19 of formed punch 17, plate 22 is carried out
Riveting;
The rivet force that cavity plate 20 is subject in riveting process is transmitted to c-type frame 21, and is transmitted to outside riveting gun by bolt 24
Shell 25, the riveting reaction force that electromagnetic coil 11 is subject to are transmitted to rear cover 9, riveting gun shell 25 and rear cover by 10 damping of rubber pad
9 realize cancelling out each other for rivet force by bolt 24.
(4), amplifier 26 returns to initial position due to the elastic force of spring 13 after riveting action, and with electromagnetic coil 11
Fitting is compressed, nut 23 is unclamped, adjusts the position of c-type frame 21, takes out the plate 22 riveted, completes the riveting of plate 22.