CN208847428U - A kind of Mobile phone screen sealing test jig - Google Patents

A kind of Mobile phone screen sealing test jig Download PDF

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Publication number
CN208847428U
CN208847428U CN201821358214.6U CN201821358214U CN208847428U CN 208847428 U CN208847428 U CN 208847428U CN 201821358214 U CN201821358214 U CN 201821358214U CN 208847428 U CN208847428 U CN 208847428U
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CN
China
Prior art keywords
test
mobile phone
sealing
phone screen
mold
Prior art date
Application number
CN201821358214.6U
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Chinese (zh)
Inventor
喻亮亮
方伟
刘名华
车全罚
李雷生
王光能
高云峰
Original Assignee
大族激光科技产业集团股份有限公司
深圳市大族电机科技有限公司
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Application filed by 大族激光科技产业集团股份有限公司, 深圳市大族电机科技有限公司 filed Critical 大族激光科技产业集团股份有限公司
Priority to CN201821358214.6U priority Critical patent/CN208847428U/en
Application granted granted Critical
Publication of CN208847428U publication Critical patent/CN208847428U/en

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Abstract

The utility model belongs to mobile phone waterproof test fixture field more particularly to a kind of Mobile phone screen sealing test jig.The Mobile phone screen sealing test jig, including lower die, for cooperating the upper mold for compressing Mobile phone screen with lower die, the sealant two sides that Mobile phone screen and glue frame junction is arranged in are used to form the first sealing ring and the second sealing ring of test chamber, first sealing ring, Mobile phone screen, glue frame, sealant, the second sealing ring and upper mold enclose test chamber together, and the first test aeration aperture of connection test chamber is offered in the upper mold.Pass through the compressible Mobile phone screen of the cooperation of lower die and upper mold, detect the air pressure of test chamber again toward test interacvity air-filling or after being evacuated by the first test aeration aperture, compare the measuring air pressure of qualified products and test product, it may know that the sealing performance of test product, testing efficiency is high, it is at low cost, and secondary damage will not be caused to product.

Description

A kind of Mobile phone screen sealing test jig
Technical field
The utility model belongs to mobile phone waterproof test fixture field more particularly to a kind of Mobile phone screen sealing test jig.
Background technique
With the development of science and technology, the requirement of human opponent's machine is also higher and higher, for example, cell phone appearance size size, The selection of user can be influenced by whether having water-proof function etc. all.Common electronic products due to not having water-proof function, then scrap by immersion, User experience is poor.And a waterproof mobile phone is designed, need to do each build-up member of mobile phone sealing test, build-up member packet Containing antenna for mobile phone, shell I/O port camera, Mobile phone screen etc., if these build-up members itself have leakage hole, the hand that assembles up Machine is necessarily without water-proof function.
With reference to Fig. 1, the sealing at Mobile phone screen is mainly by encrypting sealing in Mobile phone screen 22 and 23 junction of glue frame component 21, may be unstable due to dispenser in actual production assembling process, pressure maintaining dynamics is uneven, and product and glue shrink Equal technological problems cause glue degumming sealing abnormal, to influence the waterproof performance of product in actual use.Therefore it needs Mobile phone screen and glue frame component being sealed property of junction are tested after point glue process, existing sealing test is all directly to use water Test, inefficiency, and be easy to cause secondary damage to product.
Utility model content
The technical problem to be solved by the present invention is in view of the above drawbacks of the prior art, provide a kind of Mobile phone screen Sealing test jig overcomes existing Mobile phone screen sealing test directly to be tested with water, and low efficiency causes secondary damage etc. to product Problem.
It is controlled the technical scheme adopted by the utility model to solve the technical problem is as follows: providing a kind of Mobile phone screen sealing test The sealant two of Mobile phone screen and glue frame junction is arranged in for cooperating the upper mold for compressing Mobile phone screen with lower die in tool, including lower die Side is used to form the first sealing ring and the second sealing ring of test chamber, first sealing ring, Mobile phone screen, glue frame, sealant, Two sealing rings and upper mold enclose test chamber together, and the first test aeration aperture of connection test chamber is offered in the upper mold.
The still more preferably scheme of the utility model is: first sealing ring is embedded between Mobile phone screen and upper mold, Second sealing ring is between upper mold and lower die and acts against glue frame side.
The still more preferably scheme of the utility model is: comparison chamber, the comparison cavity are also provided in the upper mold Product is equal to the sum of the volume of test chamber and the first test aeration aperture.
The still more preferably scheme of the utility model is: the lower die includes lower mould bottom plate and is detachably arranged in down Mobile phone screen positioning plate on baffle plate offers on the Mobile phone screen positioning plate close for the second of the second sealing ring of containing section Sealing groove.
The still more preferably scheme of the utility model is: second sealing ring includes sealing and fixed part, described Fixed part is stored and is clamped in the second seal groove, and the cross section of the sealing is circle, and the cross section of the fixed part is Rectangular, the sealing and fixed part partly overlap.
The still more preferably scheme of the utility model is: the Mobile phone screen sealing test jig further includes being arranged in mobile phone Shield the sealing ring pressing plate above positioning plate, sealing ring pressing plate bottom is fixed portion, and inside acts against the side of sealing.
The still more preferably scheme of the utility model is: the upper mold includes upper baffle plate and is detachably arranged in The upper molded plate of baffle plate lower part offers the second test aeration aperture on the upper baffle plate, offers on the upper molded plate Aeration aperture is tested with the second third for be connected to of test aeration aperture, the second test aeration aperture and third test aeration aperture composition the One test aeration aperture.
The still more preferably scheme of the utility model is: being arranged between the upper baffle plate and upper molded plate for enhancing The third sealing ring of second test aeration aperture and third test aeration aperture junction leakproofness.
The still more preferably scheme of the utility model is: being provided with the first gas-tpe fitting, institute in the test aeration aperture It states and is provided with the second gas-tpe fitting identical with the first gas-tpe fitting structure on comparison chamber.
The still more preferably scheme of the utility model is: the Mobile phone screen sealing test jig further includes being arranged in upper mold The guide rod on top, the upper mold are slidably located on guide rod along guide rod up and down motion.
The utility model has the beneficial effects that: by the compressible Mobile phone screen of cooperation of lower die and upper mold, then by The sealant two sides of Mobile phone screen and glue frame junction increase the first sealing ring, the second sealing ring, first sealing ring, mobile phone Screen, glue frame, sealant, the second sealing ring and upper mold enclose test chamber together, test aeration aperture toward test chamber by first The air pressure for detecting test chamber after interior inflation or pumping again, compares the measuring air pressure of qualified products and test product, that is, may know that The sealing performance of test product, testing efficiency is high, at low cost, and will not cause secondary damage to product.
Detailed description of the invention
Utility model is described further below in conjunction with accompanying drawings and embodiments, in attached drawing:
Fig. 1 is the cross-sectional view of the utility model glue frame and Mobile phone screen;
Fig. 2 is the cross-sectional view of the utility model Mobile phone screen sealing test jig;
Fig. 3 is the partial sectional view of the utility model Mobile phone screen sealing test jig.
Specific embodiment
Now in conjunction with attached drawing, elaborate to the preferred embodiment of the utility model.
As shown in Figure 1-3, a kind of Mobile phone screen sealing test jig of the present embodiment, including lower die 1, for matching with lower die 1 The upper mold 4 of the tight Mobile phone screen 22 of combined pressure, 21 two sides of sealant that 23 junction of Mobile phone screen 22 and glue frame is arranged in are used to form test The first sealing ring 5 and the second sealing ring 6 of chamber 7, first sealing ring 5, Mobile phone screen 22, glue frame 23, sealant 21, second are close Seal 6 and upper mold 4 enclose test chamber 7 together, and the first test aeration aperture of connection test chamber 7 is offered in the upper mold 4 41.By the compressible Mobile phone screen 22 of the cooperation of lower die 1 and upper mold 4, then by the close of 23 junction of Mobile phone screen 22 and glue frame 21 two sides of sealing increase the first sealing ring 5, the second sealing ring 6, first sealing ring 5, Mobile phone screen 22, glue frame 23, sealant 21, the second sealing ring 6 and upper mold 4 enclose test chamber 7 together, are inflated in test chamber 7 by the first test aeration aperture 41 Or the air pressure of test chamber 7 is detected after pumping again, the measuring air pressure of qualified products and test product is compared, that is, may know that test produces The sealing performance of product, if the measuring air pressure of test product is identical as the measuring air pressure of qualified products, good seal performance;If test The measuring air pressure of product differs larger with the measuring air pressure of qualified products, then may leak, sealing performance is unqualified.This reality The tested media (gas for entering test chamber 7) applied in example can be air, and nitrogen, the media such as helium can be directly or indirectly Detection judges leakage rate.After the directly or indirectly detection refers to cavity inflation, if monitoring inside cavity pressure change is straight Monitoring method is connect, if collecting gas leakage from containment portion as indirect method detection.The Mobile phone screen sealing test of the utility model is controlled Tool, testing efficiency is high, and testing cost is low, and will not cause secondary damage to product.
First sealing ring 5 is embedded between Mobile phone screen 22 and upper mold 4, and the second sealing ring 6 is located at upper mold 4 and lower die 1 Between and act against 23 side of glue frame.By the way that the first sealing ring 5 to be embedded between Mobile phone screen 22 and upper mold 4, by the second sealing Circle 6 is arranged between upper mold 4 and lower die 1 and acts against 23 side of glue frame, under the premise of enclosing test chamber 7, sealing performance It is good, be conducive to the test of sealing performance.The cross section of first sealing ring 5 is kidney-shaped.By by the transversal of the first sealing ring 5 Face is set as kidney-shaped, can be used for the Fast Installation and replacement of the first sealing ring 5, had not only guaranteed good leakproofness but also had guaranteed to lift When do not fallen off due to stickiness, improve working efficiency.
Comparison chamber 42 is also provided in the upper mold 4,42 volume of comparison chamber is equal to test chamber 7 and the first test is inflated The sum of the volume in hole 41.By increasing a comparison chamber 42, and compares 42 volume of chamber and be equal to test chamber 7 and the first test aeration aperture Then the sum of 41 volume can carry out the test of air pressure simultaneously toward test chamber 7 and the pumping of comparison chamber 42 or inflation;If two Side air pressure is identical, then the good seal performance of Mobile phone screen 22 and 23 junction of glue frame, if pressure difference, Mobile phone screen 22 and glue occur in both sides The poor sealing performance of 23 junction of frame, leaks.Both sides are tested simultaneously, it is ensured that identical (the i.e. temperature and wet of test environment Degree is all consistent), and it is easy to operate, test result is more accurate.
The lower die 1 includes lower mould bottom plate 11 and the Mobile phone screen positioning plate 12 being detachably arranged in lower mould bottom plate 11, The second seal groove 121 for the second sealing ring of containing section 6 is offered on the Mobile phone screen positioning plate 12.By increasing mobile phone Shield positioning plate 12, can be used for the positioning and clamping of Mobile phone screen 22, the fixed precision of test fixture can be improved, improve test result Accuracy.By the way that Mobile phone screen positioning plate 12 to be set as removably installing, can be replaced not according to the Mobile phone screen 22 of different size Same Mobile phone screen positioning plate 12, can effectively improve the versatility of test fixture;Simultaneously Mobile phone screen positioning plate 12 clamp when with Mobile phone screen 22 is directly to contact, and there is abrasion between the two.It, can after loss occurs in long Mobile phone screen positioning plate 12 between when operating Mobile phone screen positioning plate 12 is directly replaced, that is, working efficiency and measuring accuracy can be improved.Containing section is used for by increasing by one Second seal groove 121 of the second sealing ring 6 can be used for cooperating with the second sealing ring 6, improve sealing performance.
Second sealing ring 6 includes sealing 61 and fixed part 62, and the fixed part 62 is stored and to be clamped in second close In sealing groove 121, the cross section of the sealing 61 is circle, and the cross section of the fixed part 62 is rectangular, the sealing 61 It partly overlaps with fixed part 62.The cross section of second sealing ring 6 is the round abnormity with rectangular intersection.By close by second Seal 6 is set as sealing 61 and fixed part 62,62 cross section of fixed part be it is rectangular, be conducive to clamping fixed in second In seal groove 121, it can effectively prevent the second sealing ring 6 and shift;61 cross section of sealing is circle, sealing 61 need to be resisted against upper mold 4, Mobile phone screen positioning plate 12, are sealed in glue frame 23, and circular sealing 61 compresses deformed Sealing effect is good, therefore it is the second sealing ring 6 of abnormity that the two is combined to the cross section formed, has and stablizes, do not allow to be also easy to produce Displacement and the good advantage of sealing effect, can be improved the test accuracy of test fixture.
The Mobile phone screen sealing test jig further includes the sealing ring pressing plate 3 that 12 top of Mobile phone screen positioning plate is arranged in, institute It states 3 bottom of sealing ring pressing plate and is fixed portion 62, inside acts against the side of sealing 61.Since the second sealing ring 6 is transversal Face is the sealing ring of abnormity, needs specific seal groove that could be adapted to use, but the difficulty of processing of seal groove specific in this way compared with Greatly, yield rate is lower.Therefore, the present embodiment increases a sealing ring pressing plate 3, passes through sealing ring pressing plate 3 and the second seal groove 121 Cooperation is fixed portion 62;Again by the way that the inside of sealing ring pressing plate 3 to be acted against to the side of sealing 61, can effectively prevent from filling When gas, sealing 61 causes to leak toward outer displacement, causes undesirable influence to test result, while can reduce the second seal groove 121 difficulty of processing saves production cost.
The upper mold 4 includes upper baffle plate 43 and the upper molded plate 44 for being detachably arranged in 43 lower part of baffle plate, institute It states and offers the second test aeration aperture 431 on baffle plate 43, offered on the upper molded plate 44 and the second test aeration aperture The third of 431 connections tests aeration aperture 441, and the second test aeration aperture 431 and third test aeration aperture 441 constitute first Test aeration aperture 41.By setting upper baffle plate 43 and upper molded plate 44 for upper mold 4, the upper molded plate 44 is detachable Installation, upper molded plate 44 and the first sealing ring 5, the second sealing ring 6 when being tested, first installed, then pass through upper baffle plate 43 are fixed.It should be noted that the test chamber 7 in the utility model is enclosed by multiple components, if only passing through Upper mold 4 directly pushes, and assembly precision is lower, poor sealing effect, will affect the result of test.Therefore upper mold is set by upper mold 4 Bottom plate 43 and upper molded plate 44, can be improved the precision of assembly, to effectively improve the accuracy of test.
Setting is surveyed for enhancing the second test aeration aperture 431 and third between the upper baffle plate 43 and upper molded plate 44 Try the third sealing ring 8 of 441 junction leakproofness of aeration aperture.By increasing a third sealing ring 8, second can be effectively prevented It tests aeration aperture 431 and gas leakage occurs for third test 441 junction of aeration aperture, to guarantee the accuracy of test.
It is provided with the first gas-tpe fitting 411 in the test aeration aperture 41, is provided with and the first gas on the comparison chamber 42 Identical second gas-tpe fitting 421 of 411 structure of pipe fitting.By increasing the first gas-tpe fitting 411 and the second gas-tpe fitting 421, it can be used for connecting with external test equipment, can guarantee to seal situation, improve working efficiency, it is effective to shorten disassembly Or the time of installation.
The Mobile phone screen sealing test jig further includes the guide rod 9 that 4 top of upper mold is arranged in, 4 sliding sleeve of upper mold It is located on guide rod 9 and moves up and down along guide rod 9.The axle sleeve 91 cooperated with guide rod 9 is provided in the upper mold 4.Pass through increasing Add a guide rod 9, can be used for guiding the elevating movement of upper mold 4, upper mold 4 is made to guarantee stable track when pushing, improves pressure Positioning accuracy when tight, effectively preventing upper mold 4 from pushing, hour offset leads to damage of product or sealing effect is bad that test is caused to be lost It loses.By increasing axle sleeve 91, stability can be improved, reduce frictional force, improve working efficiency.
It should be understood that above embodiments are only to illustrate the technical solution of the utility model, it is rather than its limitations, right For those skilled in the art, it can modify to technical solution illustrated in the above embodiments, or to part of skill Art feature is equivalently replaced;And all such modifications and replacement, it all should belong to the protection of the appended claims for the utility model Range.

Claims (10)

1. a kind of Mobile phone screen sealing test jig, it is characterised in that: including lower die, compress Mobile phone screen for cooperating with lower die Mould, the sealant two sides that Mobile phone screen and glue frame junction is arranged in are used to form the first sealing ring and the second sealing of test chamber Circle, first sealing ring, Mobile phone screen, glue frame, sealant, the second sealing ring and upper mold enclose test chamber together, described The first test aeration aperture of connection test chamber is offered in upper mold.
2. Mobile phone screen sealing test jig according to claim 1, it is characterised in that: first sealing ring is embedded in hand Between machine screen and upper mold, the second sealing ring is between upper mold and lower die and acts against glue frame side.
3. Mobile phone screen sealing test jig according to claim 2, it is characterised in that: be also provided with comparison in the upper mold Chamber, the comparison cavity volume are equal to the sum of the volume of test chamber and the first test aeration aperture.
4. Mobile phone screen sealing test jig according to claim 1, it is characterised in that: the lower die include lower mould bottom plate and The Mobile phone screen positioning plate being detachably arranged in lower mould bottom plate is offered for containing section on the Mobile phone screen positioning plate Second seal groove of two sealing rings.
5. Mobile phone screen sealing test jig according to claim 4, it is characterised in that: second sealing ring includes sealing Portion and fixed part, the fixed part are stored and are clamped in the second seal groove, and the cross section of the sealing is circle, described solid Determine portion cross section be it is rectangular, the sealing and fixed part partly overlap.
6. Mobile phone screen sealing test jig according to claim 5, it is characterised in that: the Mobile phone screen sealing test jig It further include the sealing ring pressing plate being arranged in above Mobile phone screen positioning plate, sealing ring pressing plate bottom is fixed portion, medial roof Lean against the side of sealing.
7. Mobile phone screen sealing test jig according to claim 1, it is characterised in that: the upper mold include upper baffle plate and It is detachably arranged in the upper molded plate of baffle plate lower part, the second test aeration aperture is offered on the upper baffle plate, it is described The third being connected to the second test aeration aperture is offered on upper molded plate tests aeration aperture, the second test aeration aperture and third It tests aeration aperture and constitutes the first test aeration aperture.
8. Mobile phone screen sealing test jig according to claim 7, it is characterised in that: the upper baffle plate and upper molded plate Between setting for enhance second test aeration aperture and third test aeration aperture junction leakproofness third sealing ring.
9. Mobile phone screen sealing test jig according to claim 3, it is characterised in that: be provided in the test aeration aperture First gas-tpe fitting is provided with the second gas-tpe fitting identical with the first gas-tpe fitting structure on the comparison chamber.
10. Mobile phone screen sealing test jig according to claim 1, it is characterised in that: the Mobile phone screen sealing test is controlled Tool further includes the guide rod that upper mold top is arranged in, and the upper mold is slidably located on guide rod along guide rod up and down motion.
CN201821358214.6U 2018-08-22 2018-08-22 A kind of Mobile phone screen sealing test jig CN208847428U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821358214.6U CN208847428U (en) 2018-08-22 2018-08-22 A kind of Mobile phone screen sealing test jig

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821358214.6U CN208847428U (en) 2018-08-22 2018-08-22 A kind of Mobile phone screen sealing test jig

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CN208847428U true CN208847428U (en) 2019-05-10

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110044552A (en) * 2019-05-23 2019-07-23 北京锐业制药有限公司 Powder-liquid double-chamber bag aluminium film welded seal leakage detection apparatus
CN110132504A (en) * 2019-05-13 2019-08-16 大族激光科技产业集团股份有限公司 Test device for air tightness and air tightness testing method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110132504A (en) * 2019-05-13 2019-08-16 大族激光科技产业集团股份有限公司 Test device for air tightness and air tightness testing method
CN110044552A (en) * 2019-05-23 2019-07-23 北京锐业制药有限公司 Powder-liquid double-chamber bag aluminium film welded seal leakage detection apparatus
CN110044552B (en) * 2019-05-23 2020-12-11 北京锐业制药有限公司 Powder-liquid double-chamber bag aluminum film welding leak detection device

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