CN208887874U - A kind of air tightness test machine - Google Patents
A kind of air tightness test machine Download PDFInfo
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- CN208887874U CN208887874U CN201821857798.1U CN201821857798U CN208887874U CN 208887874 U CN208887874 U CN 208887874U CN 201821857798 U CN201821857798 U CN 201821857798U CN 208887874 U CN208887874 U CN 208887874U
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- jig
- air tightness
- test
- upper mold
- straight line
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Abstract
The utility model discloses a kind of air tightness test machines, air-tightness for test product, it is characterized in that, including rack, first straight line driver, jig upper mold, jig lower die, several side inflation groups and apparatus for vacuum producing, first straight line driver is fixed in rack along the vertical direction, jig upper mold is located at below first straight line driver, jig upper mold is connected to the output end of first straight line driver, jig lower die is fixed in rack and is located at jig lower part of upper die, test product is between jig upper mold and jig lower die, side inflation is mounted in jig lower die, stomata in side inflation group is right against at the test of test product, apparatus for vacuum producing is connected to stomata.The air tightness test machine realizes the air-tightness of precise measurement test product and measurement range is big.
Description
Technical field
The utility model relates to the technical field of test equipment, in particular to a kind of air tightness test machine.
Background technique
Existing air-tight test typically refers to the seal (tightness)test using gas as pressure medium, by compressed air (or ammonia,
Freon, helium, halogen gas etc.) indentation container, the test method(s) to be checked for leaks using the pressure difference of gas inside and outside container.
But when gas being used to carry out air tightness test, measurement range is smaller, low measurement accuracy, is not able to satisfy existing gas
Close property tests requirements at the higher level.
For this purpose, we have proposed a kind of air tightness test machines.
Utility model content
The main purpose of the utility model is to provide a kind of air tightness test machines, have accurate test product air-tightness
And the advantage that measurement range is big.
To achieve the above object, the utility model provides a kind of air tightness test machine, for the air-tightness of test product,
It is straight including rack, first straight line driver, jig upper mold, jig lower die, several side inflation groups and apparatus for vacuum producing, described first
Line drive is fixed on the rack along the vertical direction, and the jig upper mold is located at below the first straight line driver, institute
The output end that jig upper mold is connected to the first straight line driver is stated, the jig lower die is fixed on the rack and is located at
The jig lower part of upper die, the test product is between the jig upper mold and the jig lower die, the side inflation group
In the jig lower die, the stomata in the side inflation group is right against at the test of the test product, described to vacuumize
Device is connected to the stomata.
Preferably, the jig upper mold includes sealing element, and the sealing element is located at the jig lower part of upper die, when carrying out gas
When close property is tested, the sealing element side is connected to inside at the test of the test product.
Preferably, jig lower die side opens up jagged, and the side inflation group is located in the notch.
Preferably, the side inflation group includes second straight line driver and pushing block, and the second straight line driver is along vertical
Horizontal positioned in the test product side surface direction, the pushing block is connected to the output end of the second straight line driver, when into
When row air tightness test, the pushing block side is connected to outside at the test of the test product；The stomata is along the pushing block
Moving direction is disposed through in the pushing block.
Preferably, air tightness test machine further includes fixed plate and linear bearing, and the fixed plate is fixed on the rack,
The first straight line driver is fixed in the fixed plate, and the linear bearing slides be placed through the fixation along the vertical direction
On plate, the lower end of the linear bearing is connected to the jig upper mold.
Preferably, air tightness test machine further includes shell, pressure regulator valve and pressure gauge, and the casing is set to the rack
On, the pressure regulator valve and the pressure gauge are set on the shell, and the pressure regulator valve, the pressure gauge are all connected to vacuumize
Device.
Preferably, air tightness test machine further includes air inlet pressure regulation filtering group, and the air inlet pressure regulation filtering is mounted in rack,
The air inlet pressure regulation filtering group is connected to the apparatus for vacuum producing.
Preferably, air tightness test machine further includes safe grating, and the safe grating is set in the rack and is located at institute
State shell outside.
Preferably, air tightness test machine further includes several positioning columns, and positioning column is uniformly distributed in jig upper mold lower surface
On, the jig lower die is equipped with the location hole opposite with the positioning column position, when jig upper mold and jig lower die fastening,
Positioning column is sticked in location hole.
Compared with prior art, the utility model has the following beneficial effects: the air tightness test machine passes through jig upper mold
And jig lower die is fixed test product and is sealed to test product top, side of the inflation group in side to test product
It is sealed, inflation group in side to inflation at the test of test product or is evacuated by apparatus for vacuum producing, to realize precise measurement
The air-tightness of test product；The air tightness test machine includes several side inflation groups simultaneously, and each side inflation group can correspond to one
It at a test, therefore can measure simultaneously at multiple tests, measurement range is big.
Detailed description of the invention
Fig. 1 is the combining structure schematic diagram of the air tightness testing machine of the utility model embodiment.
Fig. 2 is the combining structure schematic diagram of the air tightness testing machine (removing decapsidate) of the utility model embodiment.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
Air tightness test machine 100 is used for the air-tightness of test product, and test product can be the products such as mobile phone, wrist-watch, pipeline,
Applied to the sealing of mobile phone mark mouth, earpiece sealing, the leakage of wrist-watch waterproof sealing, pipeline and the detection of jig trachoma etc..Fig. 1 is this
The combining structure schematic diagram of the air tightness testing machine of utility model embodiment, Fig. 2 are the air tightness testing machine of the utility model embodiment
The combining structure schematic diagram of (removing decapsidate).Except decapsidate 80 is convenient for observation internal structure in Fig. 1.The air-tightness of the utility model
Test machine 100 includes rack 10, first straight line driver 20, jig upper mold 30a, jig lower die 30b, several side inflation groups 40
And apparatus for vacuum producing 50.The specific structure to air tightness test machine 100 is described in detail below according to Fig. 1, Fig. 2:
Referring to Fig. 2, the first straight line driver 20 of the present embodiment is fixed on along the vertical direction in rack 10, jig upper mold
30a is located at 20 lower section of first straight line driver, and jig upper mold 30a is connected to the output end of first straight line driver 20.Then, first
Linear actuator 20 drives jig upper mold 30a to move up and down, when without air tightness test and while carrying out changing test product will be controlled
Tool upper mold 30a is moved up, and moves down jig upper mold 30a when carrying out air tightness test.
Further, the jig lower die 30b of the present embodiment is fixed in rack 10 and is located at below jig upper mold 30a, surveys
Trial product is located between jig upper mold 30a and jig lower die 30b.When carrying out air tightness test, jig upper mold 30a be moved to
Jig upper mold 30a fitting, so as to fix test product.
Please continue to refer to Fig. 1, Fig. 2, the jig upper mold 30a of the present embodiment includes sealing element (not shown), sealing element position
Below jig upper mold 30a, when carrying out air tightness test, sealing element side is connected to inside at the test of test product.
Please continue to refer to Fig. 1, Fig. 2, the side inflation group 40 of the present embodiment is set on jig lower die 30b, the side jig lower die 30b
Face is equipped with notch 31b, and side inflation group 40 is located in notch 31b, and the stomata 421 in side inflation group 40 is right against the survey of test product
At examination, apparatus for vacuum producing 50 is connected to stomata 421.Side inflation group 40 by apparatus for vacuum producing 50 to inflating at the test of test product or
Person's pumping, to realize the air-tightness of precise measurement test product；And air tightness test machine 100 includes several side inflation groups
40, each side inflation group 40 can correspond at a test, therefore can measure simultaneously at multiple tests, and measurement range is big.
Specifically, side inflation group 40 includes second straight line driver 41 and pushing block 42, second straight line driver 41 is along vertical
Horizontal positioned in test product side surface direction, pushing block 42 is connected to the output end of second straight line driver 41, when progress air-tightness
When test, 42 side of pushing block is connected to outside at the test of test product.Then, in sealing element is connected at test product test
Side, and pushing block 42 is connected to outside at the test of test product, is sealed by sealing element and pushing block 42 to test product, protects
Demonstrate,prove the leakproofness at test.In addition, stomata 421 is disposed through in pushing block 42 along 42 moving direction of pushing block, after completing sealing, lead to
421 apparatus for vacuum producing 50 of stomata is crossed to pumping at the test of test product or inflation to detect whether test product has leakage.
Please continue to refer to Fig. 2, the air tightness test machine 100 of the present embodiment further includes fixed plate 60 and linear bearing 70, Gu
Fixed board 60 is fixed in rack 10, and first straight line driver 20 is fixed in fixed plate 60, and linear bearing 70 is slided along the vertical direction
Dynamic to be placed through in fixed plate 60, the lower end of linear bearing 70 is connected to jig upper mold 30a.Then, first straight line driver 20 drives
Jig upper mold 30a is moved down, and linear bearing 70 places under the drive of jig upper mold 30a to be displaced into fixed plate 60, straight line
Bearing 70 has guiding role, and jig upper mold 30a is avoided to shift during moving down.
Please continue to refer to Fig. 1, the air tightness test machine 100 of the present embodiment further includes shell 80, pressure regulator valve 90a and pressure gauge
90b, shell 80 are sheathed in rack 10, and pressure regulator valve 90a and pressure gauge 90b are set on shell 80, pressure regulator valve 90a, pressure gauge 90b
It is all connected to apparatus for vacuum producing 50.Wherein, pressure gauge 90b is used to show the pressure value at test, and pressure regulator valve 90a takes out very for adjusting
Empty pressure value.
Please continue to refer to Fig. 1, Fig. 2, the air tightness test machine 100 of the present embodiment further includes air inlet pressure regulation filtering group 90c, into
Controlled atmosphere press filtration group 90c is set in rack 10, and air inlet pressure regulation filtering group 90c is connected to apparatus for vacuum producing 50.
Please continue to refer to Fig. 1, Fig. 2, the air tightness test machine 100 of the present embodiment further includes safe grating 90, safe grating
90 are set in rack 10 and are located at 10 outside of rack.Safe grating 90 is photo-electric safety protective device.
The air tightness test machine 100 of the present embodiment further includes several positioning column (not shown), and positioning column is uniformly distributed
In on the lower surface jig upper mold 30a, jig lower die 30b is equipped with the location hole 32b opposite with positioning column position, when jig upper mold
When 30a and jig lower die 30b is fastened, positioning column is sticked in location hole 32b.
Compared with prior art, the utility model has the following beneficial effects: the air tightness test machine 100 passes through on jig
Mould 30a and jig lower die 30b is fixed test product and to being sealed above test product, and 40 pairs of side inflation group are tested
The side of product is sealed, and side inflation group 40 to inflation at the test of test product or is evacuated by apparatus for vacuum producing 50, from
And realize the air-tightness of precise measurement test product；The air tightness test machine 100 includes several side inflation groups 40 simultaneously, each
Side inflation group 40 can correspond at a test, therefore can measure simultaneously at multiple tests, and measurement range is big.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (9)
1. a kind of air tightness test machine, the air-tightness for test product, which is characterized in that driven including rack, first straight line
Device, jig upper mold, jig lower die, several side inflation groups and apparatus for vacuum producing, the first straight line driver are solid along the vertical direction
Due in the rack, the jig upper mold is located at below the first straight line driver, and the jig upper mold is connected to described
The output end of first straight line driver, the jig lower die are fixed on the rack and are located at the jig lower part of upper die, institute
Test product is stated between the jig upper mold and the jig lower die, the side inflation is mounted in the jig lower die,
Stomata in the side inflation group is right against at the test of the test product, and the apparatus for vacuum producing is connected to the stomata.
2. air tightness test machine according to claim 1, which is characterized in that the jig upper mold includes sealing element, described
Sealing element is located at the jig lower part of upper die, and when carrying out air tightness test, the sealing element side is connected to the test and produces
Inside at the test of product.
3. air tightness test machine according to claim 1, which is characterized in that jig lower die side open up it is jagged,
The side inflation group is located in the notch.
4. air tightness test machine according to claim 1, which is characterized in that the side inflation group includes second straight line driving
Device and pushing block, the second straight line driver is along, the pushing block connection horizontal positioned perpendicular to the test product side surface direction
In the output end of the second straight line driver, when carrying out air tightness test, the pushing block side is connected to the test and produces
Outside at the test of product；The stomata is disposed through in the pushing block along the pushing block moving direction.
5. air tightness test machine according to claim 1, which is characterized in that it further include fixed plate and linear bearing, it is described
Fixed plate is fixed on the rack, and the first straight line driver is fixed in the fixed plate, and the linear bearing is along perpendicular
Histogram is placed through in the fixed plate to sliding, and the lower end of the linear bearing is connected to the jig upper mold.
6. air tightness test machine according to claim 1, which is characterized in that further include shell, pressure regulator valve and pressure gauge, institute
Casing is stated in the rack, the pressure regulator valve and the pressure gauge are set on the shell, the pressure regulator valve, the pressure
Power table is all connected to apparatus for vacuum producing.
7. air tightness test machine according to claim 1, which is characterized in that further include air inlet pressure regulation filtering group, it is described into
Controlled atmosphere press filtration is mounted in rack, and the air inlet pressure regulation filtering group is connected to the apparatus for vacuum producing.
8. air tightness test machine according to claim 1, which is characterized in that it further include safe grating, the safe grating
In the rack and it is located at the shell outside.
9. air tightness test machine according to claim 1, which is characterized in that the air tightness test machine further includes several
Positioning column, the positioning column are uniformly distributed on jig upper mold lower surface, and the jig lower die is equipped with and the positioning
The opposite location hole in column position, when the jig upper mold and jig lower die fastening, the positioning column is sticked in described fixed
In the hole of position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821857798.1U CN208887874U (en) | 2018-11-09 | 2018-11-09 | A kind of air tightness test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821857798.1U CN208887874U (en) | 2018-11-09 | 2018-11-09 | A kind of air tightness test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208887874U true CN208887874U (en) | 2019-05-21 |
Family
ID=66518117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821857798.1U Active CN208887874U (en) | 2018-11-09 | 2018-11-09 | A kind of air tightness test machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208887874U (en) |
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2018
- 2018-11-09 CN CN201821857798.1U patent/CN208887874U/en active Active
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