CN108279172A - A kind of jig and its detection method of detection foil bending resistance - Google Patents
A kind of jig and its detection method of detection foil bending resistance Download PDFInfo
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- CN108279172A CN108279172A CN201810105491.4A CN201810105491A CN108279172A CN 108279172 A CN108279172 A CN 108279172A CN 201810105491 A CN201810105491 A CN 201810105491A CN 108279172 A CN108279172 A CN 108279172A
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- foil
- swing mechanism
- workbench
- bending
- detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of jigs of detection foil bending resistance, including by left swing mechanism and right swing mechanism is equipped at intervals on workbench described in workbench, the structure and the structure of right swing mechanism of the left swing mechanism are symmetrical；Sliding block is equipped between the left swing mechanism and right swing mechanism, the sliding block can horizontally slip relative to workbench；The sliding block is connected with driver；The workbench is equipped with rear fixed block, and the rear fixed block is equipped with posterior sucker.The present invention can be directed to foil specific position and carry out inspection resistant to bending, can examine the difference of same foil or different foil bending resistances；The micropore that the present invention detects occurs because foil can not overcome itself bending stress, avoids contact of the inflection point with jig, can capture micropore in time, whether timing monitoring sample to be tested bends failure.
Description
Technical field
The present invention relates to plastic-aluminum packaging film, copper foil, aluminium foil bending resistance detection technique field more particularly to a kind of detections
The jig and its detection method of foil bending resistance.
Background technology
With the development of the times, the update of consumer electronics product and the promotion of national new-energy automobile, lithium from
Sub- secondary cell occupies important role in people's lives.To show one's talent in keen competition, lithium battery needs
Develop toward the direction of higher energy density, longer cycle life, more reliable safety.For identical material,
Improve the thickness that energy density is most direct, most common method is thinned material.But it, accordingly can band after material stock thickness is thinned
Carry out other problems, it is as poor such as bending resistance the problems such as, make result that expected performance requirement be not achieved
Plastic-aluminum packaging film is mainly combined by nylon, aluminium foil, PP, is widely used in food, electrical type and national defence tip
The packaging of product.Plastic-aluminum packaging film serves as important role in soft bag lithium ionic cell, it is desirable that it is with preferable deep-draw
Property, electrolyte resistance stability, high barrier property and bending resistance etc..Plastic-aluminum packaging film needs in soft package lithium battery production process
Through overshooting the processes such as shell, top side seal, two envelopes, flanging, packaging bag is made in the plastic-aluminum packaging film of sheet, this just needs aluminum-plastic packaged
Phenomena such as film has good folding resistance, and often the plastic-aluminum packaging film of folding resistance difference will appear chink or breakage, eventually leads to battery
It scraps.The bending resistance of plastic-aluminum packaging film is examined currently without a kind of unification, reliable method, and many producers can not be from
The suitable material of oneself is selected in numerous materials.Because of a kind of new, reliable method of the invention, to assess the bending resistance of foil
Can, it is imperative.
Foil bending resistance is broadly divided into two methods of bending manually and automatic bending at present.The general base bent manually
This step is：Sample is cut into the batten of about 150mm long, 15mm wide, and first estimates the number resistant to bending of the batten, two hands are respectively held
Firmly batten one end, by batten doubling, then along the doubling back and forth of 90 ° of folding line position.Reach estimate bending number when, by batten pair
It light source and checks whether there is broken hole, such as do not occur broken hole, then continue doubling and checked whether broken hole again 1 time, until there is broken hole
Until；If reaching when estimating number, has there is broken hole in batten, then reduces bending number.Experiment defines the bending of just non-broken hole
Number is the value resistant to bending of the material.106248503 A of patent CN《A method of test plastic-aluminum packaging film folding resistance》, say
A kind of method of automatic bending test, substantially testing procedure are stated：One end of the batten cut out is clamped with fixture, in sample
The other end hangs weight, sets certain angle and carries out waving bending, reaches bending place after estimating number against light source inspection
Survey whether broken hole, until plastic-aluminum packaging film just non-broken hole when, the bending number that is carried out both had been the value resistant to bending of the material.
The shortcoming bent manually is poor repeatability, and the number difference resistant to bending for measuring foil is big.Sample when automatic bending
Item exists with fixture to rub, and the batten for hanging weight can extend under external force, and crooked place can change, and measure
As a result there is certain deviation, and cannot achieve automatic detection.The method that the present invention is bent using foil single-point, detected in real time, both
Automatic bending is realized, and realizes automatic inspection, especially whether timing monitoring sample to be tested bends failure.
Invention content
A kind of simple in structure, operation side is provided it is an object of the invention to overcome above-mentioned shortcoming in the prior art
Just, the jig and its detection method of practical detection foil bending resistance.
The present invention realizes in the following way：
A kind of jig of detection foil bending resistance, it is characterised in that：Including pressing interval on workbench described in workbench
Equipped with left swing mechanism and right swing mechanism, the structure and the structure of right swing mechanism of the left swing mechanism are symmetrical；It is described
Sliding block is equipped between left swing mechanism and right swing mechanism, the sliding block can horizontally slip relative to workbench；The sliding block with
Driver is connected；The workbench is equipped with rear fixed block, and the rear fixed block is equipped with posterior sucker；It is set on the workbench
There are light-beam transmitter, the top of the workbench to be equipped with and the matched beam receiver of light-beam transmitter.
Further, the right swing mechanism includes supporting rod, slide bar, moves bar, side sucker, and the supporting rod is connected to work
Make on platform, the shifting bar is set on workbench, and moves the side that bar is located at supporting rod；The shifting bar can turn relative to workbench
It is dynamic；The shifting bar is equipped with hinge, and the hinge is equipped with side sucker；One end of the slide bar is connected with supporting rod, slide bar
The other end be connected with side sucker；The sliding block is connected by guide block with the slide bar on left swing mechanism and right swing mechanism
It connects；Sliding block is moved to the left or right, and is driven and is moved bar outward or move inward, and then drives left swing mechanism and right oscillating machine
Side sucker on structure is inwardly or outwardly swung.
Further, the shifting bar is connected by movable block with workbench.
A kind of detection method of the jig of detection foil bending resistance, it is characterised in that：Include the following steps：
A, foil to be tested is cut into rectangular foil, it is ensured that the rectangular foil after sanction is intact, smooth, do not crumple；
B, rectangular foil is attached on the cylindrical sides that radius is 5mm-100mm, it will be square around cylindrical sides
Shape foil circumnutates into cylindric, is unclamped after 1min, rectangular foil is allowed to be in a natural flexuosity；
C, a detection vertex is selected on the rectangular foil after circumnutating, and manually to light pressure on the inside of curved surface, while being taken rectangular
The left comer of foil rotates outward with right corner, until left comer is got together with right corner；Then the rear portion of rectangular foil is inhaled with rear
Disk is connected, and left comer is connected with the side sucker on left swing mechanism and right swing mechanism respectively with right corner, to the left by sliding block
Or move right, it drives and moves bar outward or move inward, and then the side on left swing mechanism and right swing mechanism is driven to inhale
Disk is inwardly or outwardly swung, and is bent with square shaped foil, and when ensureing rectangular foil bending, detection vertex position is constant, together
When light-beam transmitter luminous point face detection vertex, when rectangular foil holes, beam receiver receives beam emissions
The beam signal of device, sliding block stopping action, writes down bending number.
Further, the bending angle between the left comer and right corner is 0 ° -90 °.
The beneficial effects of the present invention are：Foil specific position can be directed to and carry out inspection resistant to bending, same foil can be examined
Or the difference of different foil bending resistances；The micropore that the present invention detects is that occur because foil can not overcome itself bending stress
, contact of the inflection point with jig is avoided, micropore can be captured in time, whether timing monitoring sample to be tested bends failure.
Description of the drawings
Fig. 1 schematic structural views of the invention.
Specific implementation mode
Below by specific embodiment, and in conjunction with attached drawing, technical scheme of the present invention will be further explained in detail.It answers
Work as understanding, embodiments of the present invention are not limited to the following examples, the accommodation in any form done to the present invention
And/or changes and fall within the scope of the present invention.
A kind of jig of detection foil bending resistance, as shown in Figure 1, including pressing interval on workbench 1 described in workbench 1
Equipped with left swing mechanism and right swing mechanism, the structure of left swing mechanism and the structure of right swing mechanism are symmetrical；Left swing motivation
Sliding block 2 is equipped between structure and right swing mechanism, sliding block 2 can horizontally slip relative to workbench 1；Sliding block 2 is connected with driver；
The workbench 1 is equipped with rear fixed block 3, and rear fixed block 3 is equipped with posterior sucker 4；Workbench 1 is equipped with light-beam transmitter 12,
The top of workbench 1 is equipped with and 12 matched beam receiver 13 of light-beam transmitter；Right swing mechanism includes supporting rod 5, slides
Bar 6 moves bar 7, side sucker 8, and supporting rod 5 is connected on workbench 1, moves bar 7 and is connected with workbench 1 by movable block 11, and
Move the side that bar 7 is located at supporting rod 5；It is rotatable relative to workbench 1 to move bar 7；It moves bar 7 and is equipped with hinge 9, hinge 9 is equipped with
Side sucker 8；One end of slide bar 6 is connected with supporting rod 5, and the other end of slide bar 6 is connected with side sucker 8；Sliding block 2 passes through guide block
10 are connected with the slide bar 6 on left swing mechanism and right swing mechanism；Sliding block 2 is moved to the left or right, and is driven and is moved bar 7 outward
Or move inward, and then the side sucker 8 on left swing mechanism and right swing mechanism is driven inwardly or outwardly to swing.
Embodiment 1：
In the present embodiment 1, bending speed be 20 times/min, bending angle be 0 °~90 °, bending process medium velocity uniformly,
Not interim card.Foil selects plastic-aluminum packaging film, overall thickness 88um, structure 15umPA/35umAL/ in this example 1
25umCPP, specific testing procedure are as follows：
A, foil to be tested is cut into the rectangular foil of length 200mm, width 200mm, totally 10；
B, rectangular foil is attached on the cylindrical sides that radius is 30mm, around cylindrical sides by rectangular foil
It circumnutates into cylindric manually, is unclamped after 1min, rectangular foil is allowed to be in a natural flexuosity；
C, a detection vertex 21 is selected on the rectangular foil after circumnutating, manually to gently pressure, while the side of taking on the inside of curved surface
The left comer 22 of shape foil rotates outward with right corner 23, until left comer 22 is got together with right corner 23；Then by rectangular foil
Rear portion 24 is connected with posterior sucker 4, left comer 22 and right corner 23 respectively with 8 phase of side sucker on left swing mechanism and right swing mechanism
Connection, is moved to the left or right by sliding block 2, is driven and is moved bar 7 and outward or move inward, so drive left swing mechanism and
Side sucker 8 on right swing mechanism is inwardly or outwardly swung, and is bent with square shaped foil, when ensureing rectangular foil bending,
It is constant to detect 21 position of vertex, while the luminous point of light-beam transmitter 12 faces and detects vertex 21, after fix in position, selection needs
The angle to be rotated, sliding block 2 are started to work, and rectangular foil starts the action of opening and closing, complete one-off, counter note
Number, when rectangular foil holes, beam receiver 13 receives the beam signal of light-beam transmitter 12, and sliding block 2 stops dynamic
Make, remove sample, it is the rectangular foil number resistant to bending that numerical value is shown on counter both；It repeats the above steps, until sample is surveyed
Examination is completed, and it is 13.8 to seek the average value of 10 results, and as the value resistant to bending of the material is 13.8.
Following table is to carry out bending performance test to the aluminum plastic film of the present embodiment 1 using bending manually, and record dependency number
According to：
Embodiment 2
In the present embodiment 2, bending speed be 15 times/min, bending angle be 0 °~80 °, bending process medium velocity uniformly,
Not interim card；Foil selection 12um monochromatic lights face aluminium foil, the specific testing procedure of bending resistance are as follows in this example 2：
A, foil to be tested is cut into the rectangular foil of length 150mm, width 150mm, totally 10；
B, rectangular foil is attached on the cylindrical sides that radius is 15mm, around cylindrical sides by rectangular foil
It circumnutates into cylindric manually, is unclamped after 1min, rectangular foil is allowed to be in a natural flexuosity；
C, a detection vertex 21 is selected on the rectangular foil after circumnutating, manually to gently pressure, while the side of taking on the inside of curved surface
The left comer 22 of shape foil rotates outward with right corner 23, until left comer 22 is got together with right corner 23；Then by rectangular foil
Rear portion 24 is connected with posterior sucker 4, left comer 22 and right corner 23 respectively with 8 phase of side sucker on left swing mechanism and right swing mechanism
Connection, is moved to the left or right by sliding block 2, is driven and is moved bar 7 and outward or move inward, so drive left swing mechanism and
Side sucker 8 on right swing mechanism is inwardly or outwardly swung, and is bent with square shaped foil, when ensureing rectangular foil bending,
It is constant to detect 21 position of vertex, while the luminous point of light-beam transmitter 12 faces and detects vertex 21, after fix in position, selection needs
The angle to be rotated, sliding block 2 are started to work, and rectangular foil starts the action of opening and closing, complete one-off, counter note
Number, when rectangular foil holes, beam receiver 13 receives the beam signal of light-beam transmitter 12, and sliding block 2 stops dynamic
Make, remove sample, it is the rectangular foil number resistant to bending that numerical value is shown on counter both；It repeats the above steps, until sample is surveyed
Examination is completed, and it is 16.2 to seek the average value of 10 results, and as the value resistant to bending of the material is 16.2.
Following table is to carry out bending performance test to the aluminum plastic film of the present embodiment 2 using bending manually, and record dependency number
According to：
By embodiment 1, the result of embodiment 2 it is known that a kind of detection foil bending resistance of the present invention is controlled
The detection method of tool, the shortcomings of poor current test accuracy rate resistant to bending, poor repeatability can be efficiently solved.The present invention uses micropore
Foil bending is detected, the different position of same material tests can be directed to, targetedly tested to certain point；This hair
It is bright that foil micropore can be captured using real-time online detection means in time, to accurately judge the bending resistance of foil.
Test method stability of the present invention is strong, and repeatability is high, can be used for test resistant to bending between a variety of foils, it is resistance to compare different foils
The difference of bending performance.Therefore, the present invention efficiently solves the technical barrier that foil bending resistance is examined in industry, and with height
The industry practical value of degree.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (5)
1. a kind of jig of detection foil bending resistance, it is characterised in that：Including being pressed on workbench (1) workbench (1)
It is equipped at intervals with left swing mechanism and right swing mechanism, the structure and the structure of right swing mechanism of the left swing mechanism are symmetrical；
Sliding block (2) is equipped between the left swing mechanism and right swing mechanism, the sliding block (2) can control cunning relative to workbench (1)
It is dynamic；The sliding block (2) is connected with driver；The workbench (1) is equipped with rear fixed block (3), it is described after on fixed block (3)
Equipped with posterior sucker (4)；The workbench (1) is equipped with light-beam transmitter (12), and the top of the workbench (1) is equipped with and light beam
Transmitter (12) matched beam receiver (13).
2. a kind of jig of detection foil bending resistance according to claim 1, it is characterised in that：The right oscillating machine
Structure includes supporting rod (5), slide bar (6), moves bar (7), side sucker (8), and the supporting rod (5) is connected on workbench (1), described
It moves bar (7) to be set on workbench (1), and moves the side that bar (7) is located at supporting rod (5)；The shifting bar (7) is relative to workbench
(1) rotatable；The shifting bar (7) is equipped with hinge (9), and the hinge (9) is equipped with side sucker (8)；The one of the slide bar (6)
End is connected with supporting rod (5), and the other end of slide bar (6) is connected with side sucker (8)；The sliding block (2) passes through guide block (10)
It is connected with the slide bar (6) on left swing mechanism and right swing mechanism；Sliding block (2) is moved to the left or right, drive move bar (7) to
Outside moves inward, and then the side sucker (8) on left swing mechanism and right swing mechanism is driven inwardly or outwardly to swing.
3. a kind of jig of detection foil bending resistance according to claim 2, it is characterised in that：The shifting bar (7)
It is connected with workbench (1) by movable block (11).
4. a kind of detection method of the jig of detection foil bending resistance as claimed in claim 2, it is characterised in that：Including
Following steps：
A, foil to be tested is cut into rectangular foil, it is ensured that the rectangular foil after sanction is intact, smooth, do not crumple；
B, rectangular foil is attached on the cylindrical sides that radius is 5mm-100mm, around cylindrical sides by rectangular foil
Material circumnutates into cylindric, is unclamped after 1min, rectangular foil is allowed to be in a natural flexuosity；
C, detection vertex (21) is selected on the rectangular foil after circumnutating, and manually to light pressure on the inside of curved surface, while being taken rectangular
The left comer (22) of foil rotates outward with right corner (23), until left comer (22) is got together with right corner (23)；It then will be rectangular
The rear portion (24) of foil is connected with posterior sucker (4), left comer (22) and right corner (23) respectively with left swing mechanism and right oscillating machine
Side sucker (8) on structure is connected, and is moved to the left or right by sliding block (2), drives shifting bar (7) outward or inside sidesway
It is dynamic, and then the side sucker (8) on left swing mechanism and right swing mechanism is driven inwardly or outwardly to swing, it is carried out with square shaped foil
Bending, when ensureing rectangular foil bending, detection vertex (21) position is constant, while the luminous point of light-beam transmitter (12) faces
It detects vertex (21), when rectangular foil holes, beam receiver (13) receives the beam signal of light-beam transmitter (12), sliding
Block (2) stopping acts, and writes down bending number.
5. a kind of detection method of the jig of detection foil bending resistance according to claim 4, it is characterised in that：Institute
It is 0 ° -90 ° to state the bending angle between left comer (22) and right corner (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810105491.4A CN108279172A (en) | 2018-02-02 | 2018-02-02 | A kind of jig and its detection method of detection foil bending resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810105491.4A CN108279172A (en) | 2018-02-02 | 2018-02-02 | A kind of jig and its detection method of detection foil bending resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108279172A true CN108279172A (en) | 2018-07-13 |
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ID=62807344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810105491.4A Pending CN108279172A (en) | 2018-02-02 | 2018-02-02 | A kind of jig and its detection method of detection foil bending resistance |
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| CN (1) | CN108279172A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117147429A (en) * | 2023-08-31 | 2023-12-01 | 重庆宏声铝箔包装材料有限责任公司 | Aluminum foil paper forming degree detection device and detection method |
-
2018
- 2018-02-02 CN CN201810105491.4A patent/CN108279172A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117147429A (en) * | 2023-08-31 | 2023-12-01 | 重庆宏声铝箔包装材料有限责任公司 | Aluminum foil paper forming degree detection device and detection method |
| CN117147429B (en) * | 2023-08-31 | 2024-04-09 | 重庆宏声铝箔包装材料有限责任公司 | Aluminum foil paper forming degree detection device and detection method |
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