CN108896243A - A kind of air tightness test platform and its test method - Google Patents
A kind of air tightness test platform and its test method Download PDFInfo
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- CN108896243A CN108896243A CN201811045253.5A CN201811045253A CN108896243A CN 108896243 A CN108896243 A CN 108896243A CN 201811045253 A CN201811045253 A CN 201811045253A CN 108896243 A CN108896243 A CN 108896243A
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- test
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
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Abstract
The present invention relates to a kind of air tightness test platform and its test methods, including test chassis, test chassis has several test stations, any one test station is used to receive machining center treated workpiece and using clamping is automatically positioned by the way of the dress of side, further includes the test machine for being movable to corresponding test station realization and testing air tightness of workpiece.The present invention changes the mode of the horizontal clamping detection of workpiece, the side dress of workpiece is realized using positioning unit is clamped, on the one hand chip powder accumulation is avoided the problem of the installation for influencing workpiece in test station positions, on the other hand using the combination of side dress and blanking collecting tank, the recycling and reusing for effectively realizing chip powder, avoids the waste of resource；The Combination Design of three test cells of test machine, it is flexibly adjustable so as to which air tightness test is adjusted and finally realized according to inhomogeneity form workpiece.
Description
Technical field
The present invention relates to air tightness test technical field, specifically a kind of air tightness test platform and its test method.
Background technique
In the process of manufacture of workpiece such as tap, in order to guarantee the quality after formed product, need to workpiece into
Row air tightness test, it is otherwise unqualified after there is formed product, economic loss can be caused to enterprise.
The method of existing air tightness of workpiece test is more, if Chinese Patent Application No. is 201410283672.8, patent
The system of processing and processing method of a kind of entitled workpiece surface, propose and are integrated in machining center, engraving machine, sanding unit
A whole set of system of processing is constituted together, and realizes the movement of workpiece by manipulator, efficiently solves the surface of existing workpiece
The problem that the system of processing polishing time is long, grinding efficiency is not high.Although realizing automation processing, what this application proposed
Its detection mode for using of technical solution is unreasonable, and for workpiece after machining center is handled, surface has chip powder residual,
Which employs the horizontally-supported mode of workpiece is tested, the supporting surface that chip powder drops into package seal checker will lead to
On, it can not only make supporting surface influence the placement and detection of workpiece because accumulating excessive chip powder, influence whole
Detection efficiency is processed, the recycling and reusing because being not carried out workpiece material is gone back, produces the waste of material.
Summary of the invention
The technical issues of in order to solve low air tightness of workpiece testing efficiency existing for existing equipment, chip material waste, this
Invention proposes a kind of air tightness test platform and its test method.
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of air tightness test platform, including test chassis, the test chassis have several test stations, any one survey
Trial work position is used to receive machining center treated workpiece and using being automatically positioned clamping, the air-tightness survey by the way of the dress of side
Test stand further includes being movable to corresponding test station to realize the test machine for testing air tightness of workpiece.
The clamping positioning unit that workpiece is positioned to clamping by the way of the dress of side is all had in each test station.
The test machine is connected with the straight line mould group being fixed in test chassis, and the power intake of the straight line mould group connects
It is connected to motor.
With blowing nozzle and the pedestal being fixed on blowing nozzle in test chassis in the test chassis.
The test machine include position relative misalignment with workpiece different location is tested first test unit, second
Test cell and the third test cell that test point position can be changed.
The first test unit, the second test cell structure are identical, include the No.1 detector that can do stretching motion.
The third test cell includes adjustable tilt angle and No. two detectors that can do stretching motion.
The test chassis has the blanking collecting tank being distributed in below each test station.
The air tightness test platform further includes for realizing workpiece automatic loading/unloading and it grabs range and covers air-tightness
The robot of testboard region.
A kind of air tightness testing method, steps are as follows for the method：
S1, piece installing：After the completion of machining, by workpiece handling to corresponding test station, pass through clamping positioning unit reality
The Set and Positioning of the side dress of existing workpiece；
S2, test：Test machine is slided along test chassis level to be moved to corresponding test station, is detected on the station
Workpiece air-tightness.
Before implementing in the step S2, according to the planform and detection position of workpiece, the third test of test machine is adjusted
The practical test points position of unit.
The beneficial effects of the invention are as follows：
The present invention changes the mode of the horizontal clamping detection of workpiece, realizes the side of workpiece using positioning unit is clamped
On the one hand dress avoids chip powder accumulation the problem of the installation for influencing workpiece in test station positions, on the other hand adopts
With the combination of side dress and blanking collecting tank, the recycling and reusing of chip powder is effectively realized, the waste of resource is avoided；Test
The Combination Design of three test cells of machine, so as to be adjusted according to inhomogeneity form workpiece and finally realize that air-tightness is surveyed
Examination, it is flexibly adjustable.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is the I partial enlarged view of Fig. 1；
Fig. 3 is the schematic perspective view after present invention removal blowing nozzle；
Fig. 4 is test machine of the invention, the structural schematic diagram for clamping positioning unit；
Fig. 5 is test machine of the invention, the schematic perspective view for clamping positioning unit；
Fig. 6 is the schematic diagram of internal structure of clamping positioning unit of the invention；
Fig. 7 is the schematic perspective view of elastic clamp device of the invention；
Fig. 8 is the schematic diagram of internal structure of elastic clamp device of the invention；
Fig. 9 is another embodiment of the invention schematic diagram.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below it is right
The present invention is further described.
In order to further annotate the present invention, spy enumerates following embodiment：
Embodiment one：
As shown in Figures 1 to 8, a kind of air tightness test platform, including test chassis 1, the test chassis 1 have several
Test station, any one test station are used to receive machining center treated workpiece and be automatically positioned by the way of being filled using side
It clamps, the air tightness test platform further includes in place to be moved to corresponding test station institute along the horizontal sliding of test chassis 1
Set the test machine 3 realized and tested air tightness of workpiece.In order to be matched for clamping tightly positioning unit 2 lateral clamping workpiece, the present invention
It specially designs test machine 3 to slide along test chassis 1 is horizontal, so as to move between each test station, reaches designated position
Afterwards, the test to the workpiece is realized using test machine 3.
The clamping positioning unit 2 that workpiece is positioned to clamping by the way of the dress of side is all had in each test station.
The test machine 3 is connected with the straight line mould group 6 being fixed in test chassis 1, the power input of the straight line mould group 2
End is connected with motor 4.Motor 4 drives straight line mould group 6 to rotate, so that test machine 3 be driven to slide along test chassis 1 is horizontal.
The test machine 3 includes setting a roof beam in place 301, being fixedly mounted on and set a roof beam in place on 301 and position is staggered to workpiece different location
The first test unit tested, the second test cell and being movably arranged on sets a roof beam in place on 301 and can change test point position
Third test cell.According to the testing requirement of practical work piece, selective use first test unit, the second test cell,
Third test cell.First test unit can realize that the air tightness test of vertical position, the second test cell can realize lateral position
The air tightness test set, third test cell then can be adjusted position according to the structural particularity of workpiece, to adapt to the knot
The air tightness test of structure.
The first test unit, the second test cell structure are identical, include being slidably mounted on the No.1 set a roof beam in place on 301
Detector 303, the No.1 cylinder 302 to push the horizontal sliding of detector 303.
The third test cell, which includes one end, to be passed through the connecting rod 305 that can be locked with the 301 hinged, other ends of setting a roof beam in place and sets a roof beam in place
301 connected supporting plates 304, No. two cylinders 306 being mounted on supporting plate 304, the piston-rod end for being fixed on No. two cylinders 306
No. two detectors 307.
The connecting rod 305 includes the first bar 305a, the second the bar 305b, the first bar 305a that are hinged far from the
One end where two bar 305b and supporting plate 304 are hinged, the second bar 305b far from where the first bar 305a one end and frame
Beam 301 is hinged, and the hinged structure of each of connecting rod 305 can be realized by nut and be locked.The present invention uses connecting rod 305 and sets a roof beam in place
301, supporting plate 304 cooperates, and adjusts No. two detectors 307 so as to the test position according to needed for practical work piece, adjustment is suitable
Afterwards, each hinged structure is locked to realize the fixation of position, can be suitable for the test of different types of workpiece such as tap
Demand.
The test chassis 1 has the blanking collecting tank 1a being distributed in below each test station.
With the blowing nozzle 1c and pedestal 1b being fixed on blowing nozzle 1c in test chassis 1 in the test chassis 1.This
Workpiece is first passed through blowing nozzle 1c institute in this way before workpiece prepares clamping by the high-pressure air source in the blowing nozzle 1c connection external world of invention
In position, high pressure gas is blown out by blowing nozzle 1c, inside workpiece or external remaining chip powder are carried out to realize
Cleaning, to guarantee going on smoothly for the operation of subsequent clamping and air tightness test.
Each autonomous working of clamping positioning unit 2 is independent of each other, and clamping workpiece is after clamping on positioning unit 2, by tradition
Horizontally-supported mode change into lateral installation way so that the chip powder on workpiece will not clamp positioning unit 2 on heap
Product is effectively guaranteed the installation positioning of workpiece, it is existing due to chip powder accumulation to solve traditional horizontally-supported mode
The problem of influencing workpiece support positioning, it ensure that going on smoothly for air tightness test.In addition, the chip powder on workpiece is due to side
The reason of dress, can be dropped into instead on blanking collecting tank 1a, realized and recycled, effectively prevent the waste of material.
The positioning unit 2 that clamps includes the fixture main shaft 204 that is mounted in test chassis 1, in the fixture main shaft 204
Portion, which is equipped with, to be equipped with elastic clamp device on the mandrel 203, further include along the mandrel 203 of the inner cavity of fixture main shaft 204
The push-and-pull cylinder 201 for being connected with test chassis 1 and being moved to control mandrel 203 along own axes direction.By pushing and pulling cylinder 201
Drawing pushes mandrel 203, is moved with synchronous drive elastic clamp device along the axis direction of mandrel 203, realizes folder
Switching between tight and release movement.
The elastic clamp device includes that several of one end being mounted on far from push-and-pull cylinder 201 on mandrel 203 make in pairs
Clamping jaw 205 is connected with spring 206 between the clamping jaw 205 used in pairs.
The mandrel 203 is equipped with for the positioning guide column 208 to 205 motion guide of clamping jaw.
Capping 207 to seal mandrel 203 is installed on the fixture main shaft 204.
The inner wall of the capping 207, which is equipped with, to compress the wedge-shaped table top 207a collapsed, the fixture main shaft for clamping jaw 205
204 are equipped with the hole 204a stretched out for clamping jaw 205.
The clamping jaw 205 is equipped with the sliding slot 205a for being slidably matched with positioning guide column 208.
The push-and-pull cylinder 201 is connected by sliding guide column 202 with test chassis 1.
The push-and-pull cylinder 201 is cylinder or oil cylinder.
The present invention, can be by pulling or pushing mandrel 203, to drive clamping jaw 205 by means of individually pushing and pulling cylinder 201
Realize the clamping and release to workpiece.
Before processing, first each workpiece to be processed is successively mounted on corresponding fixture main shaft 204, utilizes the bullet of spring 206
Property power air tightness test can be carried out to workpiece by test machine 3 in this way to make workpiece be clamped by clamping jaw 205 and position.It surveys
After examination, starting push-and-pull cylinder 201 pushes mandrel 203, so that clamping jaw 205 be made to be inwardly compressed under the action of wedge-shaped table top 207a
Spring 206 can be such that workpiece and clamping jaw 205 is detached from this way and cooperate, facilitate and remove workpiece.
A kind of air tightness testing method, steps are as follows for the method：
S1, piece installing：After the completion of machining, by workpiece handling to corresponding test station, pass through 2 reality of clamping positioning unit
The Set and Positioning of the side dress of existing workpiece；
S2, test：Test machine 3, to be moved to corresponding test station, detects the station along the horizontal sliding of test chassis 1
On workpiece air-tightness.
Before implementing in the step S2, according to the planform and detection position of workpiece, the third test of test machine 3 is adjusted
The practical test points position of unit.
Embodiment two：
As shown in Figures 1 to 9, the embodiment of the present invention is second is that the gas realize on the basis of example 1 namely described
Close performance test bench further includes grabbing range covering air tightness test platform region for realizing its of workpiece automatic loading/unloading
Robot.
The artificial six-joint robot of machine, the six-joint robot lower section have reciprocal for six-joint robot single-degree-of-freedom
The mobile track of movement.
A kind of air tightness testing method, steps are as follows for the method：
S1, piece installing：After the completion of machining, by robot 7 by workpiece handling to corresponding test station, pass through clamping
Positioning unit 2 realizes the Set and Positioning of the side dress of workpiece；
S2, test：Test machine 3, to be moved to corresponding test station, detects the station along the horizontal sliding of test chassis 1
On workpiece air-tightness, after detection, workpiece is removed by robot 7.
Before implementing in the step S2, according to the planform and detection position of workpiece, the third test of test machine 3 is adjusted
The practical test points position of unit.
Rest part in the present embodiment two is the same as example 1.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement is both fallen in claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (10)
1. a kind of air tightness test platform, including test chassis (1), it is characterised in that：The test chassis (1) is with several surveys
Trial work position, any one test station are used to receive machining center treated workpiece and are automatically positioned folder by the way of being filled using side
Tightly, the air tightness test platform further includes being movable to corresponding test station to realize the test machine for testing air tightness of workpiece
(3)。
2. a kind of air tightness test platform according to claim 1, it is characterised in that：It is all had in each test station by work
Part positions the clamping positioning unit (2) of clamping in such a way that side fills.
3. a kind of air tightness test platform according to claim 1, it is characterised in that：Have on the test chassis (1) and blows
Gas nozzle (1c) and the pedestal (1b) being fixed on blowing nozzle (1c) on test chassis (1).
4. a kind of air tightness test platform according to claim 1, it is characterised in that：The test machine (3) includes position phase
To being staggered with workpiece different location is tested first test unit, the second test cell and test point position can be changed
Third test cell.
5. a kind of air tightness test platform according to claim 4, it is characterised in that：The first test unit, second are surveyed
Examination cellular construction is identical, includes the No.1 detector (303) that can do stretching motion.
6. a kind of air tightness test platform according to claim 4, it is characterised in that：The third test cell includes adjustable
Whole tilt angle and No. two detectors (307) that stretching motion can be done.
7. a kind of air tightness test platform according to claim 1, it is characterised in that：The test chassis (1) has distribution
Blanking collecting tank (1a) below each test station.
8. a kind of air tightness test platform according to claim 1, it is characterised in that：The air tightness test platform further includes using
In robot (7) that realize workpiece automatic loading/unloading and its crawl range covering air tightness test platform region.
9. a kind of air tightness testing method, it is characterised in that：Steps are as follows for the method：
S1, piece installing：After the completion of machining, by workpiece handling to corresponding test station, realized by clamping positioning unit (2)
The Set and Positioning of the side dress of workpiece；
S2, test：Test machine (3) to be moved to corresponding test station, detects the station along the horizontal sliding of test chassis (1)
On workpiece air-tightness.
10. a kind of air tightness testing method according to claim 9, it is characterised in that：Before implementing in the step S2, root
According to the planform and detection position of workpiece, the practical test points position of the third test cell of test machine (3) is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811045253.5A CN108896243A (en) | 2018-09-07 | 2018-09-07 | A kind of air tightness test platform and its test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811045253.5A CN108896243A (en) | 2018-09-07 | 2018-09-07 | A kind of air tightness test platform and its test method |
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| Publication Number | Publication Date |
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| CN108896243A true CN108896243A (en) | 2018-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811045253.5A Pending CN108896243A (en) | 2018-09-07 | 2018-09-07 | A kind of air tightness test platform and its test method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111044225A (en) * | 2019-02-25 | 2020-04-21 | 佛山市顺德区亿盛达精密机械制造有限公司 | Air tightness test board assembly structure |
| CN111272350A (en) * | 2020-02-19 | 2020-06-12 | 安徽中再科技有限公司 | Multi-station leak detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111044225A (en) * | 2019-02-25 | 2020-04-21 | 佛山市顺德区亿盛达精密机械制造有限公司 | Air tightness test board assembly structure |
| CN111272350A (en) * | 2020-02-19 | 2020-06-12 | 安徽中再科技有限公司 | Multi-station leak detection device |
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Application publication date: 20181127 |