CN208945982U - Oscillation test fixture - Google Patents
Oscillation test fixture Download PDFInfo
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- CN208945982U CN208945982U CN201821270472.9U CN201821270472U CN208945982U CN 208945982 U CN208945982 U CN 208945982U CN 201821270472 U CN201821270472 U CN 201821270472U CN 208945982 U CN208945982 U CN 208945982U
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- tooling
- clamping jaw
- test fixture
- oscillation test
- bolt
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Abstract
The utility model discloses a kind of oscillation test fixtures comprising pedestal, tooling, product to be measured and micro-acceleration gauge, the tooling are connected with the pedestal by elastic element, and the micro-acceleration gauge is mounted in the tooling；The product to be measured is detachably secured in the tooling.Compared with prior art, the utility model has many advantages, such as that testing efficiency is high, test accuracy is high, structure is simple and long service life.
Description
Technical field
The utility model relates to linear motor the field of test technology more particularly to a kind of oscillation test fixtures.
Background technique
Under the drive of the cell phone manufacturers such as apple, linear motor is as mobile phone of new generation with motor technologies gradually by mobile phone
Manufacturer is approved.The following mobile phone can realize 3D Touch by multistage vibration+software algorithm and simulate Home key
Sense of touch not only can produce vibration for example, by using the Taptic Engine of linear motor, moreover it is possible to amplitude and frequency are controlled, from
And generate strong and weak clearly demarcated and very quietly vibration, it might even be possible to simulate heartbeat that frequency vibrating effect fluctuated.
It is accurate not enough to the performance test of linear motor at present, testing efficiency is low, be unable to satisfy the smart machines such as mobile phone
The requirement of manufacturer.Chinese patent CN201610224904.1 discloses a kind of mobile phone linear motor vibration-testing apparatus, including
Bottom plate；A bottom plate is held, the top of bottom plate is set to and is provided with elastomeric pad between bottom plate, for installing trial work to be measured
Machine；Compact heap is set on bottom plate and compresses to be set to and holds on a bottom plate, and compact heap and described hold also set up between a bottom plate
Flexible gasket；Locking mechanism is set on bottom plate；One end of pressing plate, pressing plate is movably connected on bottom plate, pressing plate it is another
End is connect with locking mechanism.
Summary of the invention
The utility model is proposed in view of the above problem of the existing technology, and the utility model provides a kind of structure letter
The high oscillation test fixture of list, testing efficiency, test accuracy.
The utility model is achieved through the following technical solutions: a kind of oscillation test fixture comprising pedestal, tooling,
Product and micro-acceleration gauge to be measured, the tooling are connected with the pedestal by elastic element, and the micro-acceleration gauge is mounted on
In the tooling；The product to be measured is detachably secured in the tooling.
Further, the elastic element is shockproof gel seat, and the shockproof gel seat includes upper connection component, lower connection
Component, gelinite, the upper connection component are connected to the tooling, and the lower connection component is connected to the pedestal.
Preferably, the shockproof gel seat is equipped with several, the center of the shockproof gel seat and the center of gravity of the tooling
It is overlapped.
Further, the tooling is equipped with long clamping jaw unit and wide clamping jaw unit, and the width clamping jaw unit includes clamping folder
Pawl, clamping die group and installation clamping jaw, the micro-acceleration gauge are mounted on the installation clamping jaw.
Preferably, the clamping jaw and the angle of horizontal plane of clamping is acute angle, and the angle of the installation clamping jaw and horizontal plane is
Acute angle.
Further, the clamping die group includes fixed block, spring, bolt, bolt mounting plate and thumb screw；It is described solid
Determine block to be fixed in the tooling, described bolt one end is fixed on the bolt mounting plate, and the other end of the bolt passes through
The fixed block is connected to the clamping clamping jaw, and for the spring pocket on the bolt, the spring is fixed on the clamping
Between clamping jaw and the fixed block.
It preferably, further include second spring, the second spring is sleeved on the bolt, and the second spring is located at institute
It states between fixed block and the bolt mounting plate.
It further, further include data acquisition equipment, data processing system, the micro-acceleration gauge is connected to institute through cable
Data acquisition equipment is stated, the data acquisition equipment transfers data to the data processing system.
Further, the tooling is made of lightweight, the nonmetallic materials of high rigidity.
Preferably, the pedestal is equipped with tooling spacer pin.
Further, the pedestal is equipped with several cableties.
Compared with prior art, the tooling of the utility model is made (such as using lightweight, on-deformable nonmetallic materials
The materials such as PEI), tooling has quality extremely light and is not susceptible to deformation, to avoid influencing because of tooling own wt and deformation quantity
The accuracy of data monitoring；Equipped with shockproof gel seat, it can effectively completely cut off extraneous vibration interference, shockproof gel seat tool has good
Good stability especially has good shockproof function in terms of light load, micro-vibration, while being not in what elastic force weakened
Situation, long service life；The center that shockproof gel seat is fixed on the bottom plate is overlapped with the center of gravity of the tooling (can also recognize
It is overlapped for product to be measured to be placed into the center of gravity after tooling with the center of the shockproof gel seat), it is unbalance to be effectively prevented tooling,
To improve the accurate of linear motor data test, the balance of tooling center of gravity is placed at the same time, is conducive to extend shockproof gel
The service life of seat；Testing efficiency is high, and in order to improve equipment test utilization rate, data acquisition equipment and data processing system are (i.e.
Motor detecting software is installed on computer) while two sets of test fixtures are connected, two sets of test fixtures are installed in same pedestal
On, two sets of test fixtures are not interfere with each other, and can be tested simultaneously, effectively improve testing efficiency, and the land occupation of equipment is reduced
Area reduces manufacturing cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the utility model top view；
Fig. 3 is tool structure schematic diagram；
Fig. 4 is clamping die group structural schematic diagram；
Fig. 5 is clamping die group main view；
Fig. 6 is clamping die group configuration schematic diagram；
Fig. 7 is structural schematic diagram at installation clamping jaw；
Fig. 8 is installation clamping jaw configuration schematic diagram；
Fig. 9 is shockproof gel holder structure schematic diagram；
Figure 10 is shockproof gel seat cross-sectional view.
Specific embodiment
In order to better understand and implement, according to the present invention will be described in detail below with reference to the accompanying drawings.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of oscillation test fixture comprising pedestal 8, tooling 4, product to be measured are (in figure not
Show) and micro-acceleration gauge 6, the tooling 4 is connected with the pedestal 8 by elastic element 3, the installation of micro-acceleration gauge 6
In the tooling 4；The product to be measured is detachably secured in the tooling, and the tooling 4 is using lightweight, on-deformable
Nonmetallic materials are made.Wherein, nonmetallic materials are preferably PEI material (polyetherimide), have excellent mechanical performance, electricity
Insulation performance, radiation-resistant property, high-low temperature resistant and wear-resisting property, the Weight control of entire tooling is within 65g at this time, by fixture
The influence control of tooling is in minimum range, and being effectively reduced external cause and testing linear motor influences, to effectively improve
The accuracy of linear motor performance test.
It should be noted that trial product to be measured can also use portable using being removably mounted in the tooling 4
Product to be measured is fixed in the tooling by fixed form.In other words, trial product to be measured need to be rapidly secured in tooling and
It is not easy to loosen after fixation；After being completed, product to be measured can be disassembled quickly from tooling, prepare the survey of next product
Examination.
In addition, the utility model further includes data acquisition equipment, data processing system, the data acquisition equipment is through cable
It is connected to multiple groups micro-acceleration gauge, the data acquisition equipment transfers data to the data processing system.Data acquisition is set
Standby and data processing system (motor detecting software is installed on computer) while connecting two sets of test fixtures, two sets of test clips
Tool is installed in same pedestal (not shown), and two sets of test fixtures are not interfere with each other, and can be tested simultaneously, effectively
Testing efficiency is improved, the occupied area of equipment is reduced, reduces manufacturing cost.
Embodiment one
As shown in Figure 9, Figure 10, the elastic element 3 is shockproof gel seat, and the shockproof gel seat includes upper connection component
33, lower connection component 32, gelinite 35 and guide sleeve 31, the upper connection component 33 are connected to the tooling 4, the lower connection
Component 32 is connected to the pedestal 8.
It should be noted that the internal diameter of guide sleeve 31 is slightly larger than the gelinite 35, the upper and lower connection component is set with
It on the gelinite 35, is fixedly connected between the upper connection component and the tooling using detachable, for example screw thread connects
It connects.While in order to improve the stability of shockproof gel seat, gasket 34 is equipped between the tooling and the upper connection component.
The shockproof gel seat is equipped with several, and the center of the shockproof gel seat is overlapped with the center of gravity of the tooling 4.
Usual trial product to be measured is the intelligent mobile terminals such as rectangle or rectangular mobile phone, at this point, in shockproof gel seat
The heart, the center of gravity of tooling, the center of gravity of trial product to be measured can be effectively reduced clamp fixture and produce to test on same vertical direction
Raw influence improves accurate testing degree.
Preferably, shockproof gel seat is equipped with 4, and tooling is the diamond structure that two triangular framings are constituted, described shockproof
Gel seat is fixed at four endpoints of the diamond structure.Two triangulars at diamond structure have good mechanics hold
Performance is carried, fabricating tools material requested is few (light weight), and uniform force, tooling are not susceptible to deformation, to effectively improve
The accuracy of product test to be measured.
Embodiment two
As shown in Figures 1 to 6, the tooling is equipped with long clamping jaw unit and wide clamping jaw unit, and the width clamping jaw unit includes
Clamping jaw 16, clamping die group 1 and installation clamping jaw 5, the micro-acceleration gauge 6 is clamped to be mounted on the installation clamping jaw 5.It needs to illustrate
, long clamping jaw unit is equipped with the access space (such as USB line) of the Data In-Line of trial product to be measured, at this point, control system
It is input a signal into trial product to be measured by USB line, here, specific operating process and principle do not make detailed elaboration.
The clamping jaw 16 and the angle of horizontal plane of clamping is acute angle, and the angle of the installation clamping jaw 5 and horizontal plane is acute angle,
Clamping clamping jaw and the equal forward surface of clamping jaw of installing is intilted inclined-plane, when mobile phone is put into wide clamping jaw unit, mobile phone
It is fixed on self-locking in the tooling.
The clamping die group 1 includes fixed block 15, spring 14, bolt 13, bolt mounting plate 12 and thumb screw 11；It is described
Fixed block is fixed in the tooling, and described bolt one end is fixed on the bolt mounting plate, and the other end of the bolt is worn
It crosses the fixed block and is connected to the clamping clamping jaw, for the spring pocket on the bolt, the spring is fixed on the folder
It grips between pawl and the fixed block.
The trial product to be measured of different in width size can be fixed equipped with clamping die group 1, in tooling, to improve the suitable of equipment
Ying Xing reduces cost needed for testing.
In use, pulling open thumb screw, product to be measured is put into long clamping jaw unit and wide clamping jaw unit, is slowly unclamped big
Head screw is contacted until clamping clamping jaw with the product to be measured.
After being completed, the data-signals input lines such as USB are transferred to, thumb screw is pulled open and taking-up is completed product.
Embodiment three
With embodiment two the difference is that: further include second spring, the second spring is sleeved on the bolt,
The second spring is between the fixed block and the bolt mounting plate.
Equipped with two groups of springs, the stability of clamping die group can be effectively improved, prevents trial product to be measured in test process
It falls off, and then effectively improves the accuracy of linear motor performance test.
Example IV
As shown in Figure 7, Figure 8, the installation clamping jaw 5 is equipped with micro-acceleration gauge mounting groove 62, micro-acceleration gauge probe 61
It is mounted in the mounting groove, the probe 61 is mounted on the installation clamping jaw by fixed plate 63.
Probe is mounted on the installation clamping jaw, the test of micro-acceleration gauge is accurately more increased.
Embodiment five
The pedestal is equipped with tooling spacer pin 2, and the tooling spacer pin is equipped with multiple groups, positioned at the two of the tooling frame
Side.
In test process, if tooling encounter tooling spacer pin frequency it is high when, it should whether detect shockproof gel seat
It breaks down, replaces the height and position of shockproof gel seat or the shockproof gel seat of adjustment in time, and then effectively improve linear motor
Performance test accuracy.
In addition, the pedestal is equipped with several cableties 7, wherein cableties 7 are used to fix the connection cables of micro-acceleration gauge
Either USB line etc., prevents influence of the external connection to test.
Compared with prior art, the tooling of the utility model is made (such as using lightweight, on-deformable nonmetallic materials
The materials such as PEI), tooling has quality extremely light and is not susceptible to deformation, to avoid influencing because of tooling own wt and deformation quantity
The accuracy of data monitoring；Equipped with shockproof gel seat, it can effectively completely cut off extraneous vibration interference, shockproof gel seat tool has good
Good stability especially has good shockproof function in terms of light load, micro-vibration, while being not in what elastic force weakened
Situation, long service life；The center that shockproof gel seat is fixed on the bottom plate is overlapped with the center of gravity of the tooling (can also recognize
It is overlapped for product to be measured to be placed into the center of gravity after tooling with the center of the shockproof gel seat), it is unbalance to be effectively prevented tooling,
To improve the accurate of linear motor data test, the balance of tooling center of gravity is placed at the same time, is conducive to extend shockproof gel
The service life of seat；Testing efficiency is high, and in order to improve equipment test utilization rate, data acquisition equipment and data processing system are (i.e.
Motor detecting software is installed on computer) while two sets of test fixtures are connected, two sets of test fixtures are installed in same pedestal
On, two sets of test fixtures are not interfere with each other, and can be tested simultaneously, effectively improve testing efficiency, and the land occupation of equipment is reduced
Area reduces manufacturing cost.
The utility model is not limited to above embodiment, if the various changes or deformation to the utility model do not take off
Spirit and scope from the utility model, if these changes and deformation belong to the claims and equivalents of the utility model
Within the scope of, then the utility model is also intended to encompass these changes and deformation.
Claims (10)
1. oscillation test fixture, it is characterised in that: it includes pedestal, tooling, product to be measured and micro-acceleration gauge, the tooling with
The pedestal is connected by elastic element, and the micro-acceleration gauge is mounted in the tooling；The product to be measured is detachably solid
It is scheduled in the tooling.
2. oscillation test fixture according to claim 1, it is characterised in that: the elastic element is shockproof gel seat, described
Shockproof gel seat includes upper connection component, lower connection component, gelinite, and the upper connection component is connected to the tooling, described
Lower connection component is connected to the pedestal.
3. oscillation test fixture according to claim 2, it is characterised in that: the shockproof gel seat is equipped with several, described
The center of shockproof gel seat is overlapped with the center of gravity of the tooling.
4. according to claim 1 or 2 or 3 oscillation test fixtures, it is characterised in that: the tooling be equipped with long clamping jaw unit and
Wide clamping jaw unit, the width clamping jaw unit include clamping clamping jaw, clamping die group and installation clamping jaw, the micro-acceleration gauge to be mounted on
On the installation clamping jaw.
5. oscillation test fixture according to claim 4, it is characterised in that: the clamping jaw and the angle of horizontal plane of clamping is sharp
The angle of angle, the installation clamping jaw and horizontal plane is acute angle.
6. oscillation test fixture according to claim 4, it is characterised in that: the clamping die group includes fixed block, spring, spiral shell
Bolt, bolt mounting plate and thumb screw；The fixed block is fixed in the tooling, and described bolt one end is fixed on the bolt
On mounting plate, the other end of the bolt passes through the fixed block and is connected to the clamping clamping jaw, and the spring pocket is mounted in described
On bolt, the spring is fixed between the clamping clamping jaw and the fixed block.
7. oscillation test fixture according to claim 6, it is characterised in that: it further include second spring, the second spring set
On the bolt, the second spring is between the fixed block and the bolt mounting plate.
8. oscillation test fixture according to claim 1, it is characterised in that: further include data acquisition equipment, data processing system
System, for the data acquisition equipment through cable connection in multiple groups micro-acceleration gauge, the data acquisition equipment transfers data to institute
State data processing system.
9. oscillation test fixture according to claim 1, it is characterised in that: the pedestal is equipped with tooling spacer pin, described
Pedestal is equipped with several cableties.
10. oscillation test fixture according to claim 1, it is characterised in that: the tooling is using lightweight, on-deformable non-
Metal material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821270472.9U CN208945982U (en) | 2018-08-07 | 2018-08-07 | Oscillation test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821270472.9U CN208945982U (en) | 2018-08-07 | 2018-08-07 | Oscillation test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208945982U true CN208945982U (en) | 2019-06-07 |
Family
ID=66733253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821270472.9U Active CN208945982U (en) | 2018-08-07 | 2018-08-07 | Oscillation test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208945982U (en) |
-
2018
- 2018-08-07 CN CN201821270472.9U patent/CN208945982U/en active Active
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