CN108872626A - Electromagnetic rivet driver speed measuring device and speed-measuring method - Google Patents
Electromagnetic rivet driver speed measuring device and speed-measuring method Download PDFInfo
- Publication number
- CN108872626A CN108872626A CN201810953950.4A CN201810953950A CN108872626A CN 108872626 A CN108872626 A CN 108872626A CN 201810953950 A CN201810953950 A CN 201810953950A CN 108872626 A CN108872626 A CN 108872626A
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- rivet driver
- speed
- electromagnetic rivet
- riveting
- elongated slot
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000012360 testing method Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/64—Devices characterised by the determination of the time taken to traverse a fixed distance
- G01P3/68—Devices characterised by the determination of the time taken to traverse a fixed distance using optical means, i.e. using infrared, visible, or ultraviolet light
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention relates to a kind of electromagnetic rivet driver speed measuring device and speed-measuring methods, including the riveting gun shell for installing all parts on electromagnetic rivet driver, it further include driving piece, high-speed camera, riveting gun shell is cylindrical in shape, driving piece is mounted on the trailing flank of the amplifier of the electromagnetic rivet driver in riveting gun shell, drive piece with amplifier high-speed mobile forward when riveting, riveting gun housing front week, lateral edge riveting gun shell axially offered an elongated slot, driving piece periphery is provided with mark point, scale is extremely before provided with after having on elongated slot, the camera of high-speed camera is directed at elongated slot, to record position and the time of driving piece, the instantaneous position of mark point is captured using high-speed camera and records the time, it can thus be concluded that instantaneous velocity and short time set information when rivet shapes.
Description
Technical field
The present invention relates to a kind of electromagnetic rivet driver speed measuring device and speed-measuring methods.
Background technique
Electromagnetic rivetter mainly includes three parts：Control section, power unit and electromagnetic rivet driver, electromagnetic rivet driver it is each
Component is mounted in the riveting gun shell of tubular, and electromagnetic rivet driver person is the direct processing " tool " for realizing electromagnetic riveting connector.Electromagnetism
Riveting technology is usually that two pieces or multi-sheets are linked together by way of riveting, compared with mechanical be bolted
It is more quickly and reliable, it is easy to implement automation, is mainly used in aerospace field.The working principle of electromagnetic rivet driver is to utilize
Impulse magnetic field is generated by coil discharge after capacitor energy storage and generates inductive loop in driving piece, in the mutual of two electric currents
Effect is lower to generate electromagnetic repulsive force, and repulsive force finally reaches again in the form of stress wave in the amplifier in dissemination to rivet
To the purpose of riveting.Due to being that rivet deforms under high-speed load, is conducive to improve rivet bar plasticity, be able to carry out big straight
The riveting of diameter rivet.
Existing electromagnetic rivet driver is all to be placed on center of gravity in structure design aspect:(1) rivet force of electromagnetic rivet driver is improved;
(2) reduce riveting gun noise and recoil;(3) riveting gun weight is reduced.For riveting gun, in riveting, speed is too fast, is not easy to obtain rivet
Prompting message when deformation etc. does not take necessary measure.
Summary of the invention
The present invention proposes a kind of electromagnetic rivet driver speed measuring device and speed-measuring method.
The solution adopted by the present invention to solve the technical problem is that a kind of electromagnetic rivet driver speed measuring device, including for installing electricity
The riveting gun shell of all parts on magnetic riveting gun further includes driving piece, high-speed camera, and riveting gun shell is cylindrical in shape, driving piece installation
The trailing flank of the amplifier of electromagnetic rivet driver in riveting gun shell, riveting gun housing front week lateral edge riveting gun shell axially offer one
Elongated slot, driving piece periphery are provided with mark point, scale, the camera pair of high-speed camera are extremely before provided with after having on elongated slot
Quasi- elongated slot.
Further, amplifier is connected with driving piece by screw.
Further, driving the gap between piece periphery, amplifier periphery and riveting gun outer casing inner wall is 1mm.
Further, riveting gun outer casing back is provided with the rear cover being spirally connected with it, after cover and be provided with interface, to connect electricity
Source line provides energy with active conductors for electromagnetic rivet driver.
Further, it is provided with coupled attachment base below rear cover, is connected with handle on the downside of attachment base.
A kind of speed-measuring method of electromagnetic rivet driver speed measuring device：
Step 1：The mark point of driving on piece is aligned with 0 graduation mark of scale on elongated slot, the camera alignment of high-speed camera
Elongated slot so that high-speed camera function is clearly captured the position of the mark point K of elongated slot, scale and driving on piece, and is remembered
Record mark point position S at this time0, time t0；
Step 2：The power supply for connecting electromagnetic rivet driver prepares riveting, driving piece mobile overall process when high-speed camera record rivets,
A state during taking, according to the position S of scale mark-sense point1, record time t1；
Step 3：Displacement S=S of mark point is obtained by the position of mark point1-S0,, required time t=t1-t0, by formula
V=S/ t obtains the instantaneous velocity of any time in riveting process；
Step 4：Riveting work terminates, and disconnects the power supply of electromagnetic rivet driver, and each switch on electromagnetic rivet driver resets, and drives piece
On mark point be aligned with 0 graduation mark of scale on elongated slot, high-speed camera reset, waiting test again.
Compared with prior art, the invention has the advantages that：Structure is simple, and design rationally, utilizes high-speed camera
Machine captures the instantaneous position of mark point and records the time, it can thus be concluded that instantaneous velocity and short time set information when rivet shapes.
Detailed description of the invention
The invention patent is further illustrated with reference to the accompanying drawing.
Fig. 1 is structural schematic diagram one of the invention；
The structure of the component of electromagnetic rivet driver in Fig. 2 riveting gun shell；
Fig. 3 is structural schematic diagram two of the invention.
In figure：
1- attachment base；2- rear cover；3- riveting gun shell；4- scale；5- amplifier；6- high-speed camera；7- drives piece；The resistance of 8- spring
Buddhist nun's device；9- guide rail；10- mass block；11- actuating coil；12- spacer.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
As shown in Figure 1-3, a kind of electromagnetic rivet driver speed measuring device, including the riveting gun for installing all parts on electromagnetic rivet driver
Shell further includes driving piece, high-speed camera, and riveting gun shell is cylindrical in shape, and driving piece is mounted on the electromagnetic rivet driver in riveting gun shell
Amplifier trailing flank, when riveting driving piece with amplifier high-speed mobile forward, riveting gun housing front week lateral edge riveting gun shell
An elongated slot is axially offered, driving piece periphery is provided with mark point, scale, high-speed camera are extremely before provided with after having on elongated slot
The camera of machine is directed at elongated slot, and to record position and the time of driving piece, the wink of mark point is captured using high-speed camera
When position and record the time, it can thus be concluded that instantaneous velocity and short time set information when rivet shapes, with traditional speed measuring device
It compares, the scheme of testing the speed provided by the present invention can directly measure instantaneous velocity when riveting gun work, rather than be calculated by experiment, institute
It is true velocity and more accurate to measure speed.
In the present embodiment, amplifier is connected with driving piece by screw.
In the present embodiment, driving the gap between piece periphery, amplifier periphery and riveting gun outer casing inner wall is 1mm, is conducive to
The discharge of gas in the movement and electromagnetic rivet driver of piece and amplifier is driven, driving between piece and amplifier has a spacer, prevents
Magnetic, which leaks, magnetizes amplifier.
In the present embodiment, riveting gun outer casing back is provided with the rear cover being spirally connected with it, after cover and be provided with several interfaces, connect
Mouthful to connect for control riveting gun actuating coil electric discharge line trigger signal, and be actuating coil power supply power supply line, be
Actuating coil provides the guide rail of operating path, and actuating coil is located on rear side of driving piece, and line trigger signal is from the low of riveting gun handle
End enters riveting gun handle inner and is connected in trigger switch again, and power supply line and guide rail are then respectively by the distinct interface of riveting gun rear cover
Place's access riveting gun interior of shell, power supply line most terminating provide the energy of riveting, energy on actuating coil lead, for actuating coil
By driving piece to be amplified device amplification in rivet, electromagnetic riveting is finally realized.
In the present embodiment, rear cover is connect with mass block by fastening long spiro nail, and mass block is located on rear side of actuating coil, is led
Rail wears mass block, and the mass block includes block before block and quality after quality, the side that block passes through cooperation before block and quality after amount
Formula connection, then by fastening long spiro nail fastening, the mass block is connected by positioning pin with one end of spring-damper, described
The other end of spring-damper passes through bolt again and links together with rear cover, and the spring-damper main function is to enable riveting gun
It is enough to play the role of buffering, damping in riveting process.
In the present embodiment, it is provided with coupled attachment base below rear cover, is connected with handle on the downside of attachment base.
In the present embodiment, amplifier, driving piece, spring-damper, guide rail, mass block, actuating coil are electromagnetism riveting
Component on rifle.
A kind of speed-measuring method of electromagnetic rivet driver speed measuring device：
Step 1：The mark point of driving on piece is aligned with 0 graduation mark of scale on elongated slot, the camera alignment of high-speed camera
Elongated slot so that high-speed camera function is clearly captured the position of the mark point K of elongated slot, scale and driving on piece, and is remembered
Record mark point position S0, time t0 at this time；
Step 2：The power supply for connecting electromagnetic rivet driver prepares riveting, presses the trigger switch on electromagnetic rivet driver, and actuating coil conducting produces
Raw energy acts on amplifier, and electromagnetic rivet driver starts to carry out riveting molding test to rivet according to required working method, high
The mobile overall process of driving piece, a state during taking, according to the position of scale mark-sense point when fast camera record rivets
S1, record time t1；
Step 3：Displacement S=S of mark point is obtained by the position of mark point1-S0,, required time t=t1-t0, by formula
V=S/ t obtains the instantaneous velocity of any time in riveting process；
Step 4：Riveting work terminates, and disconnects the power supply of electromagnetic rivet driver, and each switch on electromagnetic rivet driver resets, and drives piece
On mark point be aligned with 0 graduation mark of scale on elongated slot, high-speed camera reset, waiting test again.
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 (6)
1. a kind of electromagnetic rivet driver speed measuring device, including the riveting gun shell for installing all parts on electromagnetic rivet driver, feature exists
In：It further include driving piece, high-speed camera, riveting gun shell is cylindrical in shape, and driving piece is mounted on the electromagnetic rivet driver in riveting gun shell
The trailing flank of amplifier, riveting gun housing front week lateral edge riveting gun shell axially offer an elongated slot, driving piece periphery is provided with
Mark point, to scale is before provided with after having on elongated slot, the camera of high-speed camera is directed at elongated slot.
2. electromagnetic rivet driver speed measuring device according to claim 1, it is characterised in that：Amplifier passes through screw phase with driving piece
Connection.
3. electromagnetic rivet driver speed measuring device according to claim 1, it is characterised in that：Drive piece periphery, amplifier periphery with
Gap between riveting gun outer casing inner wall is 1mm.
4. electromagnetic rivet driver speed measuring device according to claim 1, it is characterised in that：Riveting gun outer casing back is provided with and its spiral shell
The rear cover connect, after cover and be provided with interface, provide energy to connect power supply line and active conductors for electromagnetic rivet driver.
5. electromagnetic rivet driver speed measuring device according to claim 4, it is characterised in that：It is provided with below rear cover coupled
Attachment base, be connected with handle on the downside of attachment base.
6. a kind of speed-measuring method of electromagnetic rivet driver speed measuring device, using electromagnetic rivet driver speed measuring device as described in claim 1,
It is characterized in that：
Step 1：The mark point of driving on piece is aligned with 0 graduation mark of scale on elongated slot, the camera alignment of high-speed camera
Elongated slot so that high-speed camera function is clearly captured the position of the mark point K of elongated slot, scale and driving on piece, and is remembered
Record mark point position S at this time0, time t0；
Step 2：The power supply for connecting electromagnetic rivet driver prepares riveting, driving piece mobile overall process when high-speed camera record rivets,
A state during taking, according to the position S of scale mark-sense point1, record time t1；
Step 3：Displacement S=S of mark point is obtained by the position of mark point1-S0,, required time t=t1-t0, by formula v
=S/ t obtains the instantaneous velocity of any time in riveting process；
Step 4：Riveting work terminates, and disconnects the power supply of electromagnetic rivet driver, and each switch on electromagnetic rivet driver resets, and drives piece
On mark point be aligned with 0 graduation mark of scale on elongated slot, high-speed camera reset, waiting test again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810953950.4A CN108872626B (en) | 2018-08-21 | 2018-08-21 | Speed measuring device and speed measuring method for electromagnetic riveter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810953950.4A CN108872626B (en) | 2018-08-21 | 2018-08-21 | Speed measuring device and speed measuring method for electromagnetic riveter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108872626A true CN108872626A (en) | 2018-11-23 |
| CN108872626B CN108872626B (en) | 2023-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810953950.4A Active CN108872626B (en) | 2018-08-21 | 2018-08-21 | Speed measuring device and speed measuring method for electromagnetic riveter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595858A (en) * | 2020-12-30 | 2021-04-02 | 大连理工大学人工智能大连研究院 | Acceleration sensor based on machine vision principle |
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| JP2002028745A (en) * | 2000-07-10 | 2002-01-29 | Mitsubishi Heavy Ind Ltd | Riveting device |
| CN1887475A (en) * | 2006-07-20 | 2007-01-03 | 武汉理工大学 | Electromagnetically heating airplane riveting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595858A (en) * | 2020-12-30 | 2021-04-02 | 大连理工大学人工智能大连研究院 | Acceleration sensor based on machine vision principle |
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| CN108872626B (en) | 2023-12-29 |
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