CN208296782U - A kind of flatness test device - Google Patents
A kind of flatness test device Download PDFInfo
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- CN208296782U CN208296782U CN201821019688.8U CN201821019688U CN208296782U CN 208296782 U CN208296782 U CN 208296782U CN 201821019688 U CN201821019688 U CN 201821019688U CN 208296782 U CN208296782 U CN 208296782U
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- flexible sealing
- sealing element
- flatness
- test bench
- test
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- 238000012360 testing method Methods 0.000 title claims abstract description 86
- 238000007789 sealing Methods 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 abstract description 3
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 4
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920002725 thermoplastic elastomer Polymers 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of flatness test devices, belong to flatness the field of test technology, including flexible sealing element, elastic element, Test bench and light source, the flexible sealing element is set to above the Test bench, for placing measured structure part；The elastic element is uniformly arranged in the Test bench, for generating deformation when the flexible sealing element is pressurized to provide reaction force；The light source is set in the space that the Test bench and measured structure part are formed, for providing test identification light.In implementation procedure, whether there is light to cast out between the flexible sealing element and the tested surface of the measured structure part by observing, it can determine whether the flatness of the tested surface of the measured structure part meets design objective, operation and recognition methods are simple, testing efficiency improves and False Rate is low.
Description
Technical field
The utility model relates to the field of test technology more particularly to a kind of flatness test devices.
Background technique
In automobile electronics, structural member is often made by the way of injection molding or punching press, to improve production efficiency, section
Cost-saving.Compared to the mode of machine cut processing, the flatness of injection molding or stamping products is relatively poor, needs to set up flatness
Tolerance index is managed.In the prior art, there are a kind of method of optic test flatness, principle is tested surface and mark
Directrix plane is to matching, by measuring to the range for overflowing light in gap judge whether the flatness of tested surface is qualified.
It is a non-deformable plane with tested surface cooperation, by tested in existing optic test flatness method
Face and with its size to light transmission capacity in the standard flat gap matched, pass through manual or automaticization equipment carry out quantitative judge, accidentally
Sentence that rate is larger, testing efficiency is lower.
Utility model content
The utility model proposes a kind of flatness test devices, compared to the method for existing optic test, by flatness
The up to standard and qualitative recognition not up to standard for being converted into light transmission and opaque two states, recognition methods is simple, and False Rate is low.
In order to solve the above technical problems, the utility model provides a kind of flatness test device, comprising:
Flexible sealing element, elastic element, Test bench and light source；
The flexible sealing element is set to above the Test bench, for placing measured structure part；
The elastic element is uniformly arranged in the Test bench, for generating when the flexible sealing element is pressurized
Deformation is to provide reaction force；
The light source is set in the space that the Test bench and measured structure part are formed, for providing test identification light
Line.
Preferably, the second groove for accommodating the elastic element is provided on the Test bench, described second is recessed
Shape, the size of slot are adapted to the elastic element.
Preferably, when not placing the measured structure part, in the raw under the elastic element and described second
The difference in height of groove is the maximum allowable value of the tested surface flatness.
Preferably, be provided between the flexible sealing element and the elastic element for increase the elastic element with
The support component of contact area between the flexible sealing element；
The shape of the support component is adapted to the flexible sealing element edge shape, position and the elastic element one
One is corresponding.
Preferably, the first groove for accommodating the support component is additionally provided on the Test bench；
Shape, the size of first groove are adapted to the support component, and position and the support component correspond.
Preferably, the shape, size of the flexible sealing element are adapted to the edge of the Test bench, position with it is described
Test bench is corresponding；
The upper surface of the flexible sealing element is in contact with the tested surface.
Preferably, the elastic element is correspondingly arranged at each angle in the Test bench and each side center.
Preferably, the line of centres of the center of the flexible sealing element and the Test bench is perpendicular to the test base
The lower surface of seat.
Preferably, third groove is provided on the Test bench, the third groove is for placing the light source；
The light source is set at the center of the third groove.
Preferably, the material of the flexible sealing element is TPU.
Relatively above-mentioned background technique, flatness test device provided by the utility model, including flexible sealing element, bullet
Property element, Test bench and light source, are also provided with the branch for increasing contact area between flexible sealing element and elastic element
Support element.It is provided on Test bench and places the first groove of support component, the second groove for placing elastic element, places light source
Third groove.In implementation procedure, measured structure part is placed on the flexible sealing element of flatness test device, when tested
When the flatness in face is less than design object, due to the effect of each elastic element, corresponding support component can be jacked up, in turn
Flexible sealing element is set to be adjacent to tested surface.At this point, if tester from be higher than to face position carry out from when, light source issue
Light can be blocked fully and cannot appear.When the flatness of tested surface be greater than design object when, even if elastic element extend to
Maximum height state still cannot be such that flexible sealing element is adjacent to tested surface, and the light that light source issues at this time will be from generation
It is cast out in gap.Whether there is light spilling by viewing plane degree test device as a result, that is, can determine whether the measured structure part
Tested surface flatness whether meet design objective, operation and recognition methods is simple, testing efficiency is high and False Rate is low.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is flatness schematic structural diagram of testing device
Fig. 2 is plane test device explosive view
Fig. 3 is plane test device and measured structure part working state schematic representation
Working state schematic representation when Fig. 4 is test passes
Working state schematic representation when Fig. 5 is test failure
In figure:
11, flexible sealing element；12, support component；13, elastic element；14, Test bench；141, the first groove；142,
Second groove；143, third groove；15, light source；2, measured structure part；21, tested surface
Specific embodiment
The technical issues of to solve the utility model, the technical solution of use and the technical effect that reaches are clearer,
The following will be combined with the drawings in the embodiments of the present invention, the technical scheme in the embodiment of the utility model is carried out it is clear, complete
Site preparation description, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, fall within the protection scope of the utility model.
As shown in Figure 1 to Figure 3, a kind of flatness test device, including flexible sealing element 11, bullet are present embodiments provided
Property element 13, Test bench 14 and light source 15, wherein flexible sealing element 11 is set to the top of Test bench 14, for placing quilt
Geodesic structure part 2, the tested surface 21 of measured structure part 2 is placed in the upper surface of flexible sealing element 11, while bullet in test process
Property element 13 be uniformly arranged in Test bench 14, for flexible sealing element 11 be pressurized when be deformed to provide reaction
Power.In the present embodiment, the material of flexible sealing element 11 is TPU (Thermoplastic Urethane, thermoplastic polyurethane
Elastomeric material), elastic element 13 is set at each angle in Test bench 14 and each side center, certainly in other embodiments
In, the material of flexible sealing element 11 also selects rubber, TPE (Thermoplastic Elastomer, heat according to actual needs
Thermoplastic elastomer material) etc. other materials, elastic element 13 can also be configured according to actual needs, quantity is preferably 8.It surveys
Examination pedestal 14 be used for flatness test device and it includes subelement be fixed and support, Test bench 14 and tested
It is provided in the space that structural member 2 is formed for providing the light source 15 of identification light.
A kind of flatness test device provided by the utility model in implementation procedure, passes through observation flexible sealing element 11
Whether there is light to cast out between the tested surface 21 of measured structure part 2, that is, can determine whether the tested surface 21 of measured structure part 2
Whether flatness meets design objective, and operation and recognition methods are simple, testing efficiency improves and False Rate is low.
As shown in Figures 1 to 4, shape is provided on Test bench 14, the second groove that size is adapted to elastic element 13
142, when flatness test device does not place measured structure part 2, the difference in height of elastic element 13 and the second groove 142 is tested
The maximum allowable value of 21 flatness of tested surface of structural member 2.It is provided with and is used between flexible sealing element 11 and elastic element 13
Increase the support component 12 of contact area between the two, shape is adapted to the edge of flexible sealing element 11, position and elasticity member
Part 13 corresponds.In the present embodiment, the frame of flexible sealing element 11 is rectangle, therefore is located at the shape of the support component 12 at each angle
Shape is L shape, and the shape of the support component 12 at each side center is linear type, certainly in other embodiments, support component
12 shape can be configured according to actual needs.It is provided with shape, size on Test bench 14 and is adapted to use with support component 12
It is corresponding in the first groove 141 for placing support component 12, if the support component 12 placed on the first groove 141 is L shape,
The shape of first groove 141 is L shape, if the support component 12 placed on the first groove 141 is linear type, the first groove 141
Shape be linear type.It is additionally provided on Test bench 14 at its center for placing the third groove 143 of light source 15.This reality
Apply in example, the line of centres of the center of flexible sealing element 11 and Test bench 14 perpendicular to Test bench 14 lower surface, when
So in other embodiments, it can be configured according to actual needs.
As shown in figure 4, measured structure part 2 is placed on the flexible sealing element 11 of flatness checking device, this implementation
In example, shape, the size of flexible sealing element 11 are adapted to the edge of Test bench 14, and position is corresponding with Test bench 14,
Flexible sealing element 11 is adhered on Test bench 14, certainly in other embodiments, can also be configured according to actual needs.
It can be by corresponding support component due to the effect of each elastic element 13 if the flatness of tested surface 21 is less than design object value
12 jack up, and then make flexible sealing element 11 close to tested surface 21, and the light that light source 15 issues can be blocked fully and cannot overflow
Out, tester from be higher than flexible sealing element 11 and tested surface 21 to the position with face downwards or oliquely downward from when, soft
Property sealing element 11 and tested surface 21 to face go out do not observe any light, then can determine that the measured structure currently tested at this time
The flatness of the tested surface 21 of part 2 meets design requirement.
As shown in figure 5, measured structure part 2 is placed on the flexible sealing element 11 of flatness checking device, if tested
The flatness in face 21 is greater than design object value, then elastic element 13, which is elongated to maximum rating, cannot still make flexible sealing element 11
The light issued with tested surface 21 close to, light source 15 can be transmitted from flexible sealing element 11 and tested surface 21 to matching in the gap of face
Out, tester from be higher than flexible sealing element 11 and tested surface 21 to the position with face downwards or oliquely downward from when, can
It observes from this to the light transmitted in the gap of face, can determine that the tested surface for the measured structure part 2 currently tested at this time
21 flatness does not meet design requirement.
The utility model proposes flatness test device, and with existing optical test method compare, do not need to pass through
Manual or automaticization equipment carries out quantitative judge, but converts light transmission and opaque two kinds with not up to standard for the up to standard of flatness
State carries out qualitative recognition, realizes and is once picked and placed, just can detect whether the flatness of product meets design requirement, substantially
Degree reduces False Rate and testing efficiency is greatly improved.
Embodiment of above only elaborates the basic principles and features of the present invention, and the utility model is not by above-mentioned reality
The mode of applying limits, and on the premise of not departing from the spirit and scope of the utility model, the present invention has various changes and changes,
These changes and changes fall within the scope of the claimed invention.The utility model requires protection scope is by appended
Claims and its equivalent thereof.
Claims (10)
1. a kind of flatness test device characterized by comprising
Flexible sealing element (11), elastic element (13), Test bench (14) and light source (15)；
The flexible sealing element (11) is set to above the Test bench (14), for placing measured structure part (2)；
The elastic element (13) is uniformly arranged in the Test bench (14), for the flexible sealing element (11) by
Deformation is generated when pressure to provide reaction force；
The light source (15) is set in the space that the Test bench (14) and measured structure part (2) are formed, for providing survey
Examination identification light.
2. flatness test device according to claim 1, which is characterized in that be arranged on the Test bench (14) useful
In the second groove (142) for accommodating the elastic element (13), shape, size and the elasticity of second groove (142)
Element (13) adaptation.
3. flatness test device according to claim 2, which is characterized in that when not placing measured structure part (2),
The difference in height of the elastic element (13) and second groove (142) under in the raw is flat for the tested surface (21)
The maximum allowable value of face degree.
4. flatness test device according to claim 1, which is characterized in that the flexible sealing element (11) with it is described
It is provided between elastic element (13) for increasing the contact between the elastic element (13) and the flexible sealing element (11)
The support component (12) of area；
The shape of the support component (12) is adapted to the flexible sealing element (11) edge shape, position and the elasticity member
Part (13) corresponds.
5. flatness test device according to claim 4, which is characterized in that be additionally provided on the Test bench (14)
Accommodate the first groove (141) of the support component (12)；
Shape, the size of first groove (141) are adapted to the support component (12), position and the support component (12)
It corresponds.
6. flatness test device according to claim 3, which is characterized in that the shape of the flexible sealing element (11)
Shape, size are adapted to the edge of the Test bench (14), and position is corresponding with the Test bench (14)；
The upper surface of the flexible sealing element (11) is in contact with the tested surface (21).
7. flatness test device according to claim 1, which is characterized in that the elastic element (13) is correspondingly arranged in
At each angle and each side center in the Test bench (14).
8. flatness test device according to claim 1, which is characterized in that the center of the flexible sealing element (11)
With the line of centres of the Test bench (14) perpendicular to the lower surface of the Test bench (14).
9. flatness test device according to claim 1, which is characterized in that be provided on the Test bench (14)
Three grooves (143), the third groove (143) is for placing the light source (15)；
The light source (15) is set at the center of the third groove (143).
10. flatness test device according to claim 1, which is characterized in that the material of the flexible sealing element (11)
Material is TPU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821019688.8U CN208296782U (en) | 2018-06-29 | 2018-06-29 | A kind of flatness test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821019688.8U CN208296782U (en) | 2018-06-29 | 2018-06-29 | A kind of flatness test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208296782U true CN208296782U (en) | 2018-12-28 |
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ID=64702275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821019688.8U Active CN208296782U (en) | 2018-06-29 | 2018-06-29 | A kind of flatness test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208296782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629447A (en) * | 2020-12-21 | 2021-04-09 | 安徽龙鼎家居工贸有限公司 | Wood door flatness detection device and detection method |
-
2018
- 2018-06-29 CN CN201821019688.8U patent/CN208296782U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629447A (en) * | 2020-12-21 | 2021-04-09 | 安徽龙鼎家居工贸有限公司 | Wood door flatness detection device and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 4 / F, building 1, No.14 Jiuxianqiao Road, Chaoyang District, Beijing 100020 Patentee after: Beijing Jingwei Hirain Technologies Co.,Inc. Address before: 8 / F, block B, Anxiang Beili, Chaoyang District, Beijing 100101 Patentee before: Beijing Jingwei HiRain Technologies Co.,Ltd. |
|
| CP03 | Change of name, title or address |