CN206258311U - A kind of fixing device for lifting diaphragm puncture test accuracy - Google Patents
A kind of fixing device for lifting diaphragm puncture test accuracy Download PDFInfo
- Publication number
- CN206258311U CN206258311U CN201621248373.1U CN201621248373U CN206258311U CN 206258311 U CN206258311 U CN 206258311U CN 201621248373 U CN201621248373 U CN 201621248373U CN 206258311 U CN206258311 U CN 206258311U
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- China
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- cylinder
- base
- barrier film
- footstock
- lower fixture
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Abstract
The utility model is related to a kind of fixing device for lifting diaphragm puncture test accuracy.Footstock and base including above-below direction parallel arrangement, the column of both connections is provided between described footstock and base, upper fixing element is provided with below the footstock, lower fixture is provided with above the base, described lower fixture drives it to rise or fall by operating cylinder, and the rising that described barrier film is placed on lower fixture and with lower fixture realizes being fixedly clamped for barrier film with upper fixing element.As shown from the above technical solution, the utility model can greatly promote the degree of accuracy that lithium-ion membrane punctures test, be conducive to the data analysis of barrier film and the performance evaluating of lithium ion battery product to analyze；Relative to the complicated procedures that the stubborn bolt of tradition fixes metal splint, the utility model simple structure is easy to operate, is worth in field of lithium ion battery popularization and application.
Description
Technical field
The utility model is related to a kind of fixing device for lifting diaphragm puncture test accuracy, and in particular to one kind is used for lithium
The puncture test of ion battery barrier film.
Background technology
With the rapid growth of the new-energy automobile with lithium ion battery as power, the demand of lithium battery rapidly increases,
So as to it is also proposed higher and higher requirement to the quality of lithium ion battery, especially to the requirement of the security of lithium ion battery
It is higher.Therefore, battery manufacturers, need to be to each of influence lithium ion battery security during the manufacturing of lithium ion battery
Individual factor is tested, and has particularly carried out substantial amounts of analysis test job to the factor for causing inside lithium ion cell short circuit,
The anti-puncture intensity of burr and barrier film such as during the granularity of anode and cathode slurry, pole piece coiling, especially barrier film
Anti-puncture strength character, anti-puncture intensity barrier film high can then greatly reduce the internal short-circuit rate of lithium ion battery, and pass through to survey
Try the anti-puncture intensity of barrier film and then select barrier film to be then particularly important.At present, most lithium ion battery manufacturers are in test
All it is to push down barrier film using two pieces of hollow metal plates for mutually suiting when barrier film anti-puncture intensity, then tightens and be distributed in gold
3~4 bolts for belonging to edges of boards edge are fixed, and on the one hand adopt can cause barrier film fold in this way, cause lancing test mistake
Each radial force of journey septation is uneven, influences the degree of accuracy of lancing test；On the other hand, the process for twisting bolt is relatively complicated,
And several bolts are tightened respectively it is difficult to ensure that the moment of torsion of each bolt is same, accordingly even when there is no the situation of fold in barrier film
Under, it is also difficult to ensure the stress equalization of barrier film radial direction during lancing test, be equally difficult to draw accurate test result.
Utility model content
The purpose of this utility model is to provide a kind of fixing device for lifting diaphragm puncture test accuracy, and the device can
Conveniently and solidly to fix barrier film, and each radial force of barrier film is balanced, can improve the degree of accuracy of barrier film test.
To achieve the above object, the utility model employs following technical scheme：Top including above-below direction parallel arrangement
Seat and base, are provided with the column of both connections between described footstock and base, upper fixing element, institute are provided with below the footstock
State and be provided with above base lower fixture, described lower fixture drives it to rise or fall by operating cylinder, described barrier film
It is placed on the rising on lower fixture and with lower fixture and realizes being fixedly clamped for barrier film with upper fixing element.
Described operating cylinder is arranged on base, and base is provided with the oil storage oil cylinder and control connected with operating cylinder
The hydraulic oil valve of operating cylinder processed and oil storage oil cylinder break-make.
Described base is provided with hydraulic fluid pressure table and hand supercharging swinging handle.Hydraulic oil is in hydraulic oil valve and hand
Flowed back and forth between operating cylinder and oil storage oil cylinder in the presence of dynamic supercharging swinging handle with realize the rising of operating cylinder with
Decline.
Described upper fixing element is mutually fixed by four first columns with the lower surface of footstock, and described upper fixing element is thickness
Wall-like cylindrical structure.
Described lower fixture include annular egative film and along egative film radially extending setting thin wall shape cylinder, institute
The egative film stated is connected by four second columns with operating cylinder, the external diameter of the thin wall shape cylinder and the internal diameter of heavy wall shape cylinder
Match.
As shown from the above technical solution, the utility model can greatly promote the degree of accuracy that lithium-ion membrane punctures test,
The data analysis of barrier film and the performance evaluating of lithium ion battery product is conducive to analyze；Metal clip is fixed relative to the stubborn bolt of tradition
The complicated procedures of plate, the utility model simple structure is easy to operate, is worth in field of lithium ion battery popularization and application.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Specific embodiment
The utility model is described further below in conjunction with the accompanying drawings：
A kind of fixing device of lifting diaphragm puncture test accuracy as shown in Figure 1, including above-below direction parallel arrangement
Footstock 1 and base 2, connection both columns 3 are provided between footstock 1 and base 2, the lower section of footstock 1 is provided with upper fixing element 4,
The top of base 2 is provided with lower fixture 5, and lower fixture 5 drives it to rise or fall by operating cylinder 6, and barrier film is placed on lower solid
Determine the rising on part 5 and with lower fixture 5 and realize being fixedly clamped for barrier film with upper fixing element 4.In the course of the work, upper fixation
Part 4 is maintained static, and lower fixture 5 is risen or fallen by the driving of operating cylinder 6.
Further, operating cylinder 6 is arranged on base 2, and base 2 is provided with the oil storage oil connected with operating cylinder 6
The hydraulic oil valve 8 of cylinder 7 and control operating cylinder 6 and the break-make of oil storage oil cylinder 7.
Further, base 2 is provided with hydraulic fluid pressure table 9 and hand supercharging swinging handle 10, and hydraulic oil is in hydraulic oil
Flow to realize work back and forth between operating cylinder 6 and oil storage oil cylinder 7 in the presence of valve 8 and hand supercharging swinging handle 10
The rise and fall of oil cylinder 6.
Further, upper fixing element 4 is mutually fixed by four first columns 11 with the lower surface of footstock 1, and upper fixing element 4 is
Heavy wall shape cylindrical structure.
Further, lower fixture 5 include annular egative film 51 and along egative film 51 radially extending setting thin-walled
Shape cylinder 52, egative film 51 is connected by four second columns 12 with operating cylinder 6, and external diameter and the heavy wall shape of thin wall shape cylinder 52 are justified
The internal diameter of cylinder matches.
When diaphragm puncture strength test is carried out, hydraulic oil valve 8 is tightened first, prevent hydraulic oil from operating cylinder 6 times
Oil storage oil cylinder 7 is flow to, the barrier film sample that then will be made is placed on the thin wall shape cylinder of lower fixed block, and shake increasing manually
Pressure swinging handle 10, such hydraulic oil constantly flows to operating cylinder 6 from oil storage oil cylinder 7, and operating cylinder 6 is made in the pressure of hydraulic oil
Constantly moved upwards with lower, so that drive the lower fixture 5 being welded thereon to move upwards, until the thin wall shape of lower fixed block is justified
Together with the external diameter of cylinder is brought into close contact with the internal diameter of the heavy wall shape cylinder of upper fixed block, barrier film is by uniformly firmly in the case
Fix therebetween and radial force is balanced, at this moment motion is straight upwards from barrier film bottom by the puncture needle on tensile testing machine
To barrier film is pierced through, puncture force is delivered on the computer being connected with tensile testing machine, carries out data analysis.After puncture terminates, loosen
Hydraulic oil valve, at this moment hydraulic oil be back to oil storage oil cylinder from operating cylinder, lower fixed block drops to original state, unloads therewith
The barrier film sample being pierced, test terminates.By this technical scheme, the accurate of diaphragm puncture test can be greatly promoted
Degree, and it is easy to operate, be conducive to the data analysis of barrier film and the performance evaluating of lithium ion battery product to analyze, can widely popularize should
With.
Table 1 is the puncture Data Comparison table that the puncture data measured by the present apparatus are measured with traditional fixed form.
Table 1
By test data as can be seen that the accurate of diaphragm puncture test data can be greatly improved by this fixing device
Property and harmony, but because barrier film various pieces are not substantially uniformity, so test data is incomplete same, this be also in accordance with
Barrier film actual conditions.The degree of accuracy of barrier film test is greatly improved due to the present apparatus, therefore is adapted in field of lithium ion battery
Popularization and application.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New scope is defined, and on the premise of the utility model design spirit is not departed from, those of ordinary skill in the art are to this
Various modifications and improvement that the technical scheme of utility model is made, all should fall into the protection of the utility model claims determination
In the range of.
Claims (5)
1. it is a kind of lifted diaphragm puncture test accuracy fixing device, it is characterised in that：Including above-below direction parallel arrangement
Footstock（1）With base（2）, described footstock（1）With base（2）Between be provided with connection both column（3）, the footstock（1）
Lower section be provided with upper fixing element（4）, the base（2）Top be provided with lower fixture（5）, described lower fixture（5）By work
Make oil cylinder（6）It is driven to rise or fall, described barrier film is placed on lower fixture（5）Above and with lower fixture（5）It is upper
Rise and upper fixing element（4）Realize being fixedly clamped for barrier film.
2. it is according to claim 1 lifting diaphragm puncture test accuracy fixing device, it is characterised in that：Described work
Make oil cylinder（6）It is arranged on base（2）On, and base（2）It is provided with and operating cylinder（6）The oil storage oil cylinder of connection（7）And control
Operating cylinder processed（6）With oil storage oil cylinder（7）The hydraulic oil valve of break-make（8）.
3. it is according to claim 2 lifting diaphragm puncture test accuracy fixing device, it is characterised in that：Described bottom
Seat（2）It is provided with hydraulic fluid pressure table（9）With hand supercharging swinging handle（10）, hydraulic oil is in hydraulic oil valve（8）And manually
Supercharging swinging handle（10）In the presence of in operating cylinder（6）With oil storage oil cylinder（7）Between flow to realize operating cylinder back and forth
（6）Rise and fall.
4. it is according to claim 1 lifting diaphragm puncture test accuracy fixing device, it is characterised in that：Described is upper
Fixture（4）By four first columns（11）With footstock（1）Lower surface mutually fix, described upper fixing element（4）It is heavy wall
Shape cylindrical structure.
5. it is according to claim 4 lifting diaphragm puncture test accuracy fixing device, it is characterised in that：Under described
Fixture（5）Egative film including annular（51）And along egative film（51）The thin wall shape cylinder of interior radially extending setting（52）, institute
The egative film stated（51）By four second columns（12）With operating cylinder（6）It is connected, the thin wall shape cylinder（52）External diameter with
The internal diameter of heavy wall shape cylinder matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621248373.1U CN206258311U (en) | 2016-11-20 | 2016-11-20 | A kind of fixing device for lifting diaphragm puncture test accuracy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621248373.1U CN206258311U (en) | 2016-11-20 | 2016-11-20 | A kind of fixing device for lifting diaphragm puncture test accuracy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206258311U true CN206258311U (en) | 2017-06-16 |
Family
ID=59024414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621248373.1U Expired - Fee Related CN206258311U (en) | 2016-11-20 | 2016-11-20 | A kind of fixing device for lifting diaphragm puncture test accuracy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206258311U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187172A (en) * | 2018-06-28 | 2019-01-11 | 合肥国轩高科动力能源有限公司 | One kind is for detecting diaphragm puncture intensity device and test method |
| CN111337353A (en) * | 2020-04-03 | 2020-06-26 | 安徽猛牛彩印包装有限公司 | Plastic film tension test detection device |
| CN112326465A (en) * | 2020-10-19 | 2021-02-05 | 中阀控股（集团）有限公司 | Diaphragm life testing device for hydraulic control valve |
-
2016
- 2016-11-20 CN CN201621248373.1U patent/CN206258311U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187172A (en) * | 2018-06-28 | 2019-01-11 | 合肥国轩高科动力能源有限公司 | One kind is for detecting diaphragm puncture intensity device and test method |
| CN111337353A (en) * | 2020-04-03 | 2020-06-26 | 安徽猛牛彩印包装有限公司 | Plastic film tension test detection device |
| CN112326465A (en) * | 2020-10-19 | 2021-02-05 | 中阀控股（集团）有限公司 | Diaphragm life testing device for hydraulic control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170616 Termination date: 20181120 |