CN208366777U - A kind of electronic particles collision shake table - Google Patents
A kind of electronic particles collision shake table Download PDFInfo
- Publication number
- CN208366777U CN208366777U CN201820847980.2U CN201820847980U CN208366777U CN 208366777 U CN208366777 U CN 208366777U CN 201820847980 U CN201820847980 U CN 201820847980U CN 208366777 U CN208366777 U CN 208366777U
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- magnetic cylinder
- magnetic
- permanent magnet
- magnetic pole
- 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.)
- Active
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a kind of electronic particles collision shake table, including magnetic cylinder body, permanent magnet is equipped in magnetic cylinder body, permanent magnet is equipped with central magnetic pole, it is additionally provided with upper cover on magnetic cylinder cap, perforative centre bore is equipped in magnetic cylinder body, permanent magnet and central magnetic pole, one end of lock screw passes through each centre bore from bottom to up and connect with waveform generator, the internal diameter of each centre bore is all larger than the outer diameter of waveform generator, and lock screw is threadedly coupled at least one of magnetic cylinder body, permanent magnet, central magnetic pole.When needing replacing waveform generator, only lock screw need to be exited from electronic particles collision shake table bottom, waveform generator can be replaced, replacement is got up very convenient, the quick-replaceable of waveform generator can be achieved, while the location structures such as annular convex platform are set, be reliably fixed the components such as central magnetic pole, permanent magnet on magnetic cylinder body, guarantee normal use, the shock-testing particularly suitable for carrying out the different pulse durations to different quality test specimen uses.
Description
Technical field
The utility model relates to a kind of electronic particles collision shake tables, more particularly to a kind of particles collision noise that is suitable for examine
Survey the exciting bank of (PIND).
Background technique
Grain crushing (PIND) is the reliability screening completed using vibration, impact and acoustic method
Technology.The technology generates shock and vibration by particles collision shake table to detect the extra pine that integrated circuit etc. encapsulates component
The reliability of electronic component products greatly improved in scattered seed.Current electronic particles collision shake table, with SD company of the U.S.
M230 type product be Typical Representative, moving coil component 1' is mounted on structural schematic diagram by support component 6' as shown in Figure 1:
On magnetic cylinder cap 8'.Upper cover 7' is installed on the magnetic top cylinder cap 8'.Magnetic cylinder cap 8' is mounted on magnetic cylinder body 9'.Permanent magnet 5' is mounted on magnetic
The inner bottom surface of cylinder body 9', central magnetic pole 4' are mounted on plane on permanent magnet 5', and lock screw 3' passes through magnetic cylinder body 9' and permanent magnet
5', and connect across the centre bore of central magnetic pole 4' with waveform generator 2'.
According to faraday electromagnetic induction principle, the moving coil component of alternating current is passed in magnetic field by the work of alternating force
With moving coil component will generate vibration.When vibration reaches certain amplitude, excitation waveform generator contacts moving coil component, produces
Raw impact.Impact refer mainly to indicate impact acceleration and pulse duration.Change the electric current for being passed through moving coil component, can adjust
Whole impact acceleration.Pulse duration determines by the rigidity of waveform generator, calculation formula such as formula (1):
In formula: D: pulse duration；
M: test specimen and moving coil component quality sum；
K: the stiffness coefficient of waveform generator
Change the rigidity of waveform generator, adjustable pulse duration.It is held by adjusting impact acceleration and pulse
The continuous time, to meet test needs of test specimen under the conditions of different impacts.
In actual use, such as to change the pulse duration, should just change the rigidity of waveform generator, it is therefore desirable to replace
The waveform generator of different materials.It is fixed on due to waveform generator in internal central magnetic pole, when replacement needs to dismantle upper cover
The components such as 7', magnetic cylinder cap 8', moving coil component 6', process is tedious, and interior permanent magnets have biggish magnetic field, can be to disassembly process
In the ferromagnetism components such as magnetic cylinder cap magnetic effect occurs, easily cause damage parts or even influence personal safety.Further more,
Electronic particles collision shake table central magnetic pole 4', the permanent magnet 5' of existing structure only pass through magnetic force and are mounted on magnetic cylinder body 9',
In transportational process, central magnetic pole 4', permanent magnet 5' can occur radial displacement and influence to use.
Therefore develop it is a kind of can be achieved the shock-testing in different pulse durations is carried out to different quality test specimen, performance can
The electronic particles collision shake table leaned on becomes industry and thirsts for the problem solved for a long time.
Utility model content
In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of conveniently replaced waveforms
Generator, reliable performance meet electronic of the shock-testing requirement that the different pulse durations are carried out to different quality test specimen
Grain crash shock platform.
In order to achieve the above objects and other related objects, the utility model provides a kind of electronic particles collision shake table, packet
Magnetic cylinder body is included, magnetic cylinder body is equipped with magnetic cylinder cap, and moving coil component is connect by support component with magnetic cylinder cap, and permanent magnetism is equipped in magnetic cylinder body
Body, permanent magnet are equipped with central magnetic pole, are additionally provided with upper cover on the magnetic cylinder cap, in the magnetic cylinder body, permanent magnet and central magnetic pole
Be equipped with perforative centre bore, one end of lock screw passes through each centre bore from bottom to up and connect with waveform generator, it is each in
The internal diameter in heart hole is all larger than the outer diameter of the waveform generator, the lock screw and the magnetic cylinder body, permanent magnet, central magnetic pole
At least one of be threadedly coupled.
Preferably, gap is equipped between the centre bore of the permanent magnet and the lock screw, the magnetic cylinder body is equipped with
Lower annular convex platform, central magnetic pole are equipped with upper annular convex platform, and the upper annular convex platform, lower annular convex platform are arranged in the permanent magnet
Centre bore and the lock screw between gap in.
Preferably, the central magnetic pole, the centre bore on magnetic cylinder body are threaded hole, the lock screw and the center magnetic
Pole, magnetic cylinder body are threadedly coupled.
Preferably, between the upper annular convex platform of the central magnetic pole, the lower annular convex platform of magnetic cylinder body and the lock screw
For clearance fit.
Gap between the upper annular convex platform of the central magnetic pole, the lower annular convex platform of magnetic cylinder body and the lock screw is big
Small is 0.03mm.
Preferably, the lock screw uses non-magnetic rigid material, and the permanent magnet uses magnetic material, described
Central magnetic pole, magnetic cylinder body use soft magnetic materials.
Above-mentioned technical proposal have the advantages that the electronic particles collision shake table magnetic cylinder body, permanent magnet and in
Perforative centre bore is equipped on heart magnetic pole, and the internal diameter of each centre bore is all larger than the outer diameter of waveform generator, works as needs in this way
When more conversion waveform generator, only lock screw need to be exited from electronic particles collision shake table bottom, so that it may replace waveform
Device, replacement get up it is very convenient, it can be achieved that waveform generator quick-replaceable, while the location structures such as annular convex platform are set,
It is reliably fixed the components such as central magnetic pole, permanent magnet on magnetic cylinder body, guarantees normal use, particularly suitable for difference
The shock-testing that quality test specimen carries out the different pulse durations uses.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing electronic particles collision shake table.
Fig. 2 is the structural schematic diagram of the utility model embodiment.
Component label instructions: 1', moving coil component；2', waveform generator；3', lock screw；4', central magnetic pole；5', forever
Magnet；6', support component；7', upper cover；8', magnetic cylinder cap；9', magnetic cylinder body；1, moving coil component；2, waveform generator；3, locking screw
Silk；4 central magnetic poles；5, permanent magnet；6, support component；7, upper cover；8, magnetic cylinder cap；9, magnetic cylinder body；10, upper annular convex platform；11, under
Annular convex platform.
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
Please refer to Fig. 1,2.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to match
The revealed content of specification is closed, so that those skilled in the art understands and reads, being not intended to limit the utility model can
The qualifications of implementation, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of the utility model can be generated and the purpose that can reach, it should all still fall in the utility model institute
The technology contents of announcement obtain in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", "left", "right",
The term of " centre " and " one " etc. is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model,
Its relativeness is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
As shown in Fig. 2, the utility model provides a kind of electronic particles collision shake table comprising magnetic cylinder body 9, magnetic cylinder body 9
It is equipped with magnetic cylinder cap 8, moving coil component 1 is fixedly connected by support component 6 with magnetic cylinder cap, and magnetic cylinder cap 8 is equipped with upper cover 7, moving-coil
The centre bore in upper cover 7 is stretched out in the upper surface of component 1.Permanent magnet 5 is additionally provided in magnetic cylinder body 9, permanent magnet 5 is equipped with center magnetic
Pole 4.Be equipped with perforative centre bore in magnetic cylinder body 9, permanent magnet 5 and central magnetic pole 4, one end of 3 stud of lock screw from down toward
On connect across each centre bore and with waveform generator 2, and lock screw 3 and magnetic cylinder body 9, permanent magnet 5, in central magnetic pole 4
At least one threaded connection, i.e., magnetic cylinder body 9, permanent magnet 5, at least one centre bore is threaded hole in central magnetic pole 4, in this way
Waveform generator 2 can be fixed, waveform generator 2 is corresponding with the center of moving coil component 1.
Magnetic cylinder body 9, permanent magnet 5, the centre bore internal diameter in central magnetic pole 4 should be greater than the outer diameter of waveform generator 2, in this way when
When needing replacing waveform generator 2, lock screw 3 directly can be rotated from magnetic cylinder body 9, by lock screw 3 from the spiral shell of central magnetic pole 4
It is screwed out in hole, the waveform generator 2 being fixed on lock screw 3 is also carried over, and replaces the waveform generator 2 of different-stiffness coefficient
Afterwards, lock screw 3 is screwed in the screw hole of central magnetic pole 4 and is locked again, shock-testing can be carried out.
As a preferred embodiment, the centre bore on central magnetic pole 4, magnetic cylinder body 9 is threaded hole, lock screw 3
It is connect with central magnetic pole 4, magnetic cylinder body screw thread 9, can increase the axial pre tightening force of central magnetic pole 4, permanent magnet 5 and magnetic cylinder body 9 in this way,
Make stable magnetic field, reliable operation.And gap is equipped between the centre bore and lock screw 3 of permanent magnet 5, magnetic cylinder body 9 is equipped with down
Annular convex platform 11, central magnetic pole 4 are equipped with upper annular convex platform 10, and upper annular convex platform 10, lower annular convex platform 11 are arranged at permanent magnetism
In gap between the centre bore and lock screw 3 of body 5.Central magnetic pole 4, the upper annular convex platform 10 of magnetic cylinder body 9, lower annular convex platform
It is clearance fit, gap size 0.03mm between 11 and lock screw 3.It can make central magnetic pole 4 and permanent magnetism in this way
Radial displacement will not occur on magnetic cylinder body 9 for body 5, also can further make stable magnetic field in this way, and then reach raising product quality
Purpose.
To the material of waveform generator 2, length equidimension, there is no limit to the size spiral shell of lock screw 3 in the present embodiment
Line specification, length equidimension there is no limit, to central magnetic pole 4, permanent magnet 5, magnetic cylinder body 9 size also there is no limit.Locking screw
Silk 6 uses non-magnetic rigid material, and for permanent magnet 5 using magnetic material is used, central magnetic pole 4, magnetic cylinder body 9 use soft magnetic materials.
The electronic particles collision shake table is equipped with perforative centre bore in magnetic cylinder body, permanent magnet and central magnetic pole, and
The internal diameter of each centre bore is all larger than the outer diameter of waveform generator, only need to be from electronic in this way when needing replacing waveform generator
Lock screw is exited in grain crash shock platform bottom, so that it may which more conversion waveform generator, replacement are got up very convenient, it can be achieved that wave
The quick-replaceable of shape generator, while the location structures such as annular convex platform are set, keep the components such as central magnetic pole, permanent magnet reliably solid
It is scheduled on magnetic cylinder body, guarantees normal use, particularly suitable for carrying out the different pulse durations to different quality test specimen
Shock-testing uses.So the utility model effectively overcomes various shortcoming in the prior art and has high industrial exploitation value
Value.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
Claims (6)
1. a kind of electronic particles collision shake table, including magnetic cylinder body (9), magnetic cylinder body (9) is equipped with magnetic cylinder cap (8), moving coil component
(1) connect with magnetic cylinder cap (8) by support component (6), magnetic cylinder body (9) is interior equipped with permanent magnet (5), during permanent magnet (5) is equipped with
Heart magnetic pole (4) is additionally provided with upper cover (7) on the magnetic cylinder cap (8), it is characterised in that: the magnetic cylinder body (9), permanent magnet (5) and in
Perforative centre bore is equipped on heart magnetic pole (4), one end of lock screw (3) passes through each centre bore from bottom to up and sends out with waveform
Raw device (2) connection, the internal diameter of each centre bore are all larger than the outer diameter of the waveform generator (2), the lock screw (3) with it is described
At least one of magnetic cylinder body (9), permanent magnet (5), central magnetic pole (4) are threadedly coupled.
2. a kind of electronic particles collision shake table according to claim 1, it is characterised in that: in the permanent magnet (5)
Gap is equipped between heart hole and the lock screw (3), the magnetic cylinder body (9) is equipped with lower annular convex platform (11), central magnetic pole
(4) upper annular convex platform (10) are equipped with, the upper annular convex platform (10), lower annular convex platform (11) are arranged in the permanent magnet (5)
Centre bore and the lock screw (3) between gap in.
3. a kind of electronic particles collision shake table according to claim 2, it is characterised in that: the central magnetic pole (4), magnetic
Centre bore on cylinder body (9) is threaded hole, and the lock screw (3) is threadedly coupled with the central magnetic pole (4), magnetic cylinder body (9).
4. a kind of electronic particles collision shake table according to claim 2, it is characterised in that: the central magnetic pole (4)
Upper annular convex platform (10), magnetic cylinder body (9) lower annular convex platform (11) and the lock screw (3) between be clearance fit.
5. a kind of electronic particles collision shake table according to claim 4, it is characterised in that: the central magnetic pole (4)
Upper annular convex platform (10), magnetic cylinder body (9) lower annular convex platform (11) and the lock screw (3) between gap size be
0.03mm。
6. a kind of electronic particles collision shake table according to claim 1, it is characterised in that: the lock screw (3) is adopted
With non-magnetic rigid material, using magnetic material is used, the central magnetic pole (4), magnetic cylinder body (9) use the permanent magnet (5)
Soft magnetic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820847980.2U CN208366777U (en) | 2018-06-01 | 2018-06-01 | A kind of electronic particles collision shake table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820847980.2U CN208366777U (en) | 2018-06-01 | 2018-06-01 | A kind of electronic particles collision shake table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208366777U true CN208366777U (en) | 2019-01-11 |
Family
ID=64931405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820847980.2U Active CN208366777U (en) | 2018-06-01 | 2018-06-01 | A kind of electronic particles collision shake table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208366777U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551860A (en) * | 2021-07-13 | 2021-10-26 | 西安环宇芯微电子有限公司 | Big cavity module PIND check out test set |
-
2018
- 2018-06-01 CN CN201820847980.2U patent/CN208366777U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551860A (en) * | 2021-07-13 | 2021-10-26 | 西安环宇芯微电子有限公司 | Big cavity module PIND check out test set |
| CN113551860B (en) * | 2021-07-13 | 2023-10-10 | 西安环宇芯微电子有限公司 | Big cavity module PIND check out test set |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104747652B (en) | A kind of quasi-zero stiffness vibration isolators using helical spring in parallel with magnet spring | |
| CN208366777U (en) | A kind of electronic particles collision shake table | |
| Fu et al. | Development and dynamic characterization of a mixed mode magnetorheological elastomer isolator | |
| CN108631538B (en) | Vibration energy recovery device for combined energy collection of permanent magnet and giant magnetostrictive rod | |
| Bolyukh et al. | The influence of the parameters of a ferromagnetic shield on the efficiency of a linear induction—dynamic converter | |
| CN109406082A (en) | A kind of shake table | |
| CN107654551A (en) | A kind of multiple degrees of freedom low frequency vibration isolation device based on mode of oscillation and pendulum modal coupling | |
| CN101519111A (en) | Magneto-rheological elastomer intelligent damper for ship | |
| CN106321716A (en) | Magnetorheological elastomer vibration isolator | |
| WO2011017014A3 (en) | High sensitivity geophone | |
| CN104897182B (en) | Magnetic testi type encoder magnetic shielding cover and Magnetic testi type encoder | |
| CN107509142A (en) | A kind of multifunction speaker | |
| WO2013164892A1 (en) | Vibration power generator | |
| CN106917844B (en) | High thrust active vibration isolation arrangement | |
| CN210614256U (en) | Electromagnetic vibration exciter easy to tune | |
| CN201685307U (en) | Novel one-square-meter concrete testing vibrating table | |
| CN205533935U (en) | A electric eddy current damping structure for gravity appearance | |
| CN105606326B (en) | A kind of Single spring hangs actuating vibration table | |
| CN206132338U (en) | Multi -functional novel vibration exciter | |
| CN102836816B (en) | A kind of resonance screens | |
| CN105549104B (en) | A kind of electromagnetic damper and gravimeter | |
| CN205301606U (en) | Electromagnetic damper and gravity appearance | |
| CN208128109U (en) | Linear oscillator occurrence of equipment | |
| CN101590469A (en) | A kind of reciprocating sieve | |
| JP2018124120A (en) | Vibration testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Kang Li Inventor before: Kang Li |
|
| CB03 | Change of inventor or designer information |