CN207293561U - A kind of precise vacuum suction nozzle body - Google Patents
A kind of precise vacuum suction nozzle body Download PDFInfo
- Publication number
- CN207293561U CN207293561U CN201720998113.4U CN201720998113U CN207293561U CN 207293561 U CN207293561 U CN 207293561U CN 201720998113 U CN201720998113 U CN 201720998113U CN 207293561 U CN207293561 U CN 207293561U
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- suction nozzle
- adapter
- tube body
- pin
- vacuum suction
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Abstract
The utility model disclose and provide it is a kind of it is simple in structure, safe and reliable, replace that suction nozzle is convenient and the metastable precise vacuum suction nozzle body of installation essence.The utility model includes adapter assembly, and for being connected with external vacuum system, the adapter assembly includes adapter and the orientation boss being arranged on the adapter, guide-localization when the orientation boss is used to install；Suction nozzle tube body, is provided with some suction holes on the suction nozzle tube body, and the size of some suction holes and spacing each other are adapted with product；Suction nozzle sleeve, for connecting the suction nozzle tube body and the adapter, is provided between the suction nozzle sleeve and the adapter and snaps connection module.The utility model can be used for the technical field of vacuum slot.
Description
Technical field
It the utility model is related to a kind of precise vacuum suction nozzle body.
Background technology
At present, the reliability test of electronic consumer products, which becomes, ensures its performance and the key in service life.Traditional test
Mode be for manual manipulation product, it is so not only time-consuming and laborious, also increase the danger of operator.Test automation is future
The main trend of development, in automatic test field, it usually needs vacuum system completes picking and placeing for electronic product or device under test.
The mechanism for producing pull of vacuum in the prior art is usually integral vacuum suction nozzle, and such vacuum slot is high-accuracy
Test industry in using there are the following problems：First, vacuum slot is usually by being threadably mounted on the module of board, due to true
Suction mouth is motion, belongs to easily-consumed products, and in plant maintenance and maintenance, the replacement difficulty of this kind of suction nozzle is larger；2nd, it is this kind of
Suction nozzle is contacted with product to contact firmly, is easily damaged the test yield for by suction product, reducing product；3rd, suction nozzle uses axis hole more
Coordinate, be only connected through a screw thread, it is difficult to ensure the relative position and installation accuracy of suction nozzle, adapter and product.
Utility model content
The technical problem to be solved by the present invention is to provide it is a kind of it is simple in structure, safe and reliable, replace suction nozzle it is convenient and
The metastable precise vacuum suction nozzle body of installation essence.
Technical solution is used by the utility model：The utility model includes adapter assembly, for external vacuum system
System is connected, and the adapter assembly includes adapter and the orientation boss being arranged on the adapter, and the orientation boss is used
Guide-localization when installation；Suction nozzle tube body, is provided with some suction holes, the size of some suction holes on the suction nozzle tube body
Spacing each other is adapted with product；Suction nozzle sleeve, it is described for connecting the suction nozzle tube body and the adapter
It is provided between suction nozzle sleeve and the adapter and snaps connection module.
Further, it is provided with buffer spring between the suction nozzle sleeve and the suction nozzle tube body.
Further, the adapter assembly further includes thread bush, is provided with the middle part of the adapter for the thread bush
The loose slot slided up and down, the upper end of the adapter are provided with the first spacing block set, and the lower end of the thread bush is provided with
Two spacing block sets, the lower end of first spacing block set are engaged with the upper end of second spacing block set.
Further, the module that snaps connection includes the annular buckle slot that is arranged on the suction nozzle sleeve and is respectively provided with
Rubber ring on the adapter and some steel balls, annular array is provided with and some steel on the side wall of the adapter
The one-to-one concave groove of pearl, the steel ball adaptation are arranged in the concave groove, and the rubber ring sleeve is located at some steel
The outside of pearl, the steel ball some through the concave groove and enter the inside of the adapter and with the annular snap
Catching groove is engaged.
Further, pin is provided with the suction nozzle sleeve, one end of the suction nozzle tube body is provided with and the pin
The waist type straight slot being adapted, the waist type straight slot are slidingly fitted with the pin.
Further, it is provided with the suction nozzle sleeve and pin hole is adapted with the pin, the pin hole and the pin
Interference fit, the pin and the waist type straight slot clearance fit.
Further, it is provided with sealing ring between the thread bush and the adapter.
Further, it is provided with seal O-ring between the adapter and the suction nozzle sleeve.
Further, the value range of the coefficient of elasticity K of the spring is 0.8~1.2N/mm.
The beneficial effects of the utility model are：The utility model on adapter by setting orientation boss so as to ensure to pacify
Fill it is in the right direction, and then ensure suction nozzle tube body installation it is precise and stable；The size and spacing of suction hole in suction nozzle tube body need
Designed according to the size and weight of inhaled product, so as to obtain different suction and lateral anti-deflection power, prevented after drawing product
Product deflects or drops during the motion, ensures product safety, improves product test yield；Between suction nozzle sleeve and adapter
Module is snapped connection by being provided with, suction nozzle sleeve and suction nozzle tube body, should be entirely through being buckled in adapter as an entirety
Middle to realize plug, so as to ensure that the plug of suction nozzle sleeve is smooth, suction nozzle tube body is replaced convenient.
Brief description of the drawings
Fig. 1 is the overall structure exploded perspective view of the utility model；
Fig. 2 is the structure diagram of adapter assembly；
Fig. 3 is the structure diagram of suction nozzle tube body；
Fig. 4 is the cooperation schematic diagram of suction nozzle tube body and suction nozzle sleeve.
Embodiment
As shown in Figures 1 to 4, specific embodiment of the present utility model is：The utility model includes adapter assembly 1, inhales
Mouth tube body 2 and suction nozzle sleeve 3, the adapter assembly 1 include adapter 11, and the adapter 11 is used for and external vacuum system phase
Connection, the suction nozzle sleeve 3 are used to connect the suction nozzle tube body 2 and the adapter assembly 1；The utility model uses split type suction
Mouth structure, i.e., described suction nozzle tube body 2 are directly threadedly attached in external equipment or vacuum system unlike the prior art,
But after it is connected with external equipment or vacuum system by increasing the adapter assembly 1, then connect the suction nozzle tube body 2
It is connected on the adapter 11, while is provided between the suction nozzle sleeve 3 and the adapter 11 and snaps connection module, it is described
Suction nozzle sleeve 3 and the suction nozzle tube body 2 are used as an entirety, should realize plug entirely through being buckled in the adapter 11,
So as to ensure that the plug of the suction nozzle sleeve 3 is smooth, the suction nozzle tube body 2 is replaced convenient.
The adapter assembly 1 further includes thread bush 13, is provided with screw thread on the thread bush 13, in the adapter 11
Portion is provided with the loose slot 111 slided up and down for the thread bush 13, and the upper end of the adapter 11 is provided with the first limit convex
Block 112, the lower end of the thread bush 13 are provided with the second spacing block set 131, the lower end of first spacing block set 112 with it is described
The upper end of second spacing block set 131 is engaged so that the thread bush 13 is stuck in the loose slot 111, it is impossible to is pulled straight out；
The thread bush 13 can arbitrarily rotate in the loose slot 111.The lower end of the thread bush 13 is provided with driver flutes confession
Screw driver, when installing the adapter assembly 1 into external equipment or vacuum system, is inserted into from the bottom up by screwdriver
Obtain thread bush 13 and screw the driver flutes can complete installation and the later stage dismounting.On the other hand, the adapter assembly 1 is gone back
Including the orientation boss 12 being fixed on the adapter 11, the orientation boss 12 can be with the one of adapter 11
Molded design, guide-localization when the orientation boss 12 is used to install, the orientation boss 12 lean against external equipment or vacuum system
On the directional plane of system, ensure that the adapter 11 is motionless when tightening the thread bush 13, so as to ensure the peace of adapter assembly 1
Fill direction.To adapt to the connection with exterior different structure, the orientation of the orientation boss 12 on the adapter 11 is put down
Face can respective design replace with cylindrical surface, curved surface, as long as can prevent the 11 rotating face of adapter from can all make in installation process
For alternative.The orientation installation of the adapter can cause the suction nozzle tube body to have installation direction, in the prior art
Suction nozzle suitable for part special-shaped product or can not be picked and placeed the occasion of direction and required precision, can accounted for without guide function
Advantage.
The module that snaps connection includes being arranged on the annular buckle slot 31 of 3 first half of suction nozzle sleeve and is arranged at
The rubber ring 5 of 11 lower half of adapter and some steel balls 6, if on the side wall of the adapter 11 annular array be provided with
The one-to-one concave groove 113 of steel ball 6 is done, the adaptation of steel ball 6 is arranged in the concave groove 113, the rubber ring 5
The outside of some steel balls 6 is set in, the rubber for being the placement of rubber ring 5 is again provided with the side wall of the adapter 11
Ring recess, in this embodiment, the quantity of the steel ball 6 is three；The suction nozzle tube body 2 and 3 conduct of suction nozzle sleeve
It is overall, need to be inserted into the i.e. described loose slot 111 of the adapter 11 when mounted, the steel ball 6 some pass through institute
State concave groove 113 and enter the inside of the adapter 11 and be engaged with the annular buckle slot 31；The steel ball 6 passes through
Screens, so as to block the suction nozzle sleeve 3, fixes the suction nozzle sleeve 3 into the annular buckle slot 31.In addition, the steel ball
6 outsides are fixed by the rubber ring 5, ensure that the suction nozzle tube body 2 and described this entirety of suction nozzle sleeve 3 turn in plug to described
When joint chair 11, the smooth of plug is ensured by the deformation of the rubber ring 5.
It is in mating connection by pin 7 between the suction nozzle sleeve 3 and the suction nozzle tube body 2.In the suction nozzle sleeve 3
The pin hole passed through for the pin 7 is both provided with left and right sides of portion, the pin 7 is interference fitted with the pin hole, prevents institute
Pin 7 is stated to drop；The waist type straight slot being adapted with the pin 7 is both provided with left and right sides of the upper end of the suction nozzle tube body 2
22, the suction nozzle tube body 2 needs to be inserted into the inside of the suction nozzle sleeve 3 from the bottom up when mounted, the pin 7 with it is described
22 clearance fit of waist type straight slot, the waist type straight slot 22 are slidingly fitted with the pin 7, so the suction nozzle tube body 2 can be with
Move up and down a distance in the suction nozzle sleeve 3, and the pin 7 can prevent the suction nozzle sleeve 3 and the suction nozzle pipe
Radial motion is produced between body 2.The utility model ensures that 11 installation direction of adapter is correct by the orientation boss 12,
Ensure the orientation consistency of the suction nozzle sleeve 3 and the suction nozzle tube body 2 by the pin 7, so, external equipment or vacuum
System can multiple the utility model of supporting assembling at the same time multiple quarter product, inhale and put at the same time so as to fulfill multiple products, so as to
Improve the testing efficiency of tester table.
On the other hand, the lower part of the suction nozzle tube body 2 is provided with annular convex platform 10, the annular convex platform 10 and the suction nozzle
Buffer spring 4 is provided between the lower face of sleeve 3, the buffer spring 4 is set in the outside of the suction nozzle tube body 2, described
Buffer spring 4, which can play, prevents the suction nozzle tube body 2 from being contacted firmly with by suction product, impact is reduced, so as to avoid the suction nozzle
Tube body 2 trembles stirring box or the effect by suction product., can under active force of the suction nozzle tube body 2 when the buffer spring 4 stretches
It is smooth to ensure to move up and down in suction nozzle sleeve 3.In this embodiment, the blenometer of the buffer spring 4 closes at last
Key, the negative vacuum values P produced according to external vacuum system and the whole sectional area inhaled in vacuum pneumatic path at minimum-value aperture
S, obtains substantially elastic force F=P*S of spring, and actual spring draws the elastic force Fs=F-G needed after product（G is by the weight of suction product
Power）, and the compression travel of spring is as needed the Z axis stroke L met during the motion by suction product, is obtained according to Hooke's law
Coefficient of elasticity Ks=Fs/L of spring；For prevent the buffer spring 4 contact by suction product when weigh product wounded, tremble stirring box or
Pallet, coefficient of elasticity K values cannot be excessive；But coefficient of elasticity can not be too small because under identical suction, K values I
Compression travel increase can be caused to run counter to design original intention so as to reduce the stability that whole mechanism draws product；Analyzed more than,
It is recommended that the value range of actual the elastic coefficient K is 0.8~1.2N/mm.The bullet of the buffer spring 4 described in the utility model
When property coefficient K is 1N/mm, the compression travel of the buffer spring 4 is moderate, will not occur weighing product wounded, tremble stirring box or support
The phenomenon of disk.So as to have the characteristics that when embodying the utility model absorption product reliable and stable.
The suction that the suction nozzle tube body 2 is mainly produced by inhaling vacuum draws product, this just needs the suction nozzle tube body 2 to have
There is good air-tightness, just can guarantee that stable pull of vacuum.For this problem, the utility model the thread bush 13 with
Sealing ring 8 is provided between the adapter 11, it is close when ensureing in 1 equipment mounted externally of adapter assembly or vacuum system
Envelope is good；Seal O-ring 9 is provided between the adapter 11 and the suction nozzle sleeve 3, ensures the adapter 11 and institute
State the connection seal between suction nozzle sleeve 3；The sealing ring 8 and the seal O-ring 9 are the prior art；This practicality is new
Type uses the design of many places sealing, ensures that whole mechanism has good air-tightness, improves the stability of pull of vacuum.
In the utility model, the lower face of the suction nozzle tube body 2 is designed according to by the white space shape of suction product, is prevented
Only the suction nozzle tube body 2 is touched by the component or pad of suction product surface, reduces test yield.The suction nozzle tube body 2
It is provided with some suction holes 21 on lower face, the size of some suction holes 21 and spacing each other are big all in accordance with product
Small and weight configuration.Pass through the microfluid simulation analysis between the lower face to the suction nozzle tube body 2 and product contact surface, the suction
The combined influences such as hole position, aperture and the quantity of stomata 21 the microfluid process of end clearance, so as to determine different suctions
Power and lateral anti-deflection power.In this embodiment, the quantity of the suction hole 21 is three, in order to draw the one of product
During side, ensure that product is not deflected and do not dropped during the motion after product is drawn for mechanism, guarantee can stablize absorption product.
The utility model can be used for the technical field of vacuum slot.
Claims (9)
- A kind of 1. precise vacuum suction nozzle body, it is characterised in that：It includesAdapter assembly（1）, for being connected with external vacuum system, the adapter assembly（1）Including adapter（11）And setting In the adapter（11）On orientation boss（12）, the orientation boss（12）Guide-localization during for installing；Suction nozzle tube body（2）, the suction nozzle tube body（2）On be provided with some suction holes（21）, some suction holes（21）It is big Spacing small and each other is adapted with product；Suction nozzle sleeve（3）, for connecting the suction nozzle tube body（2）With the adapter（11）, the suction nozzle sleeve（3）With it is described Adapter（11）Between be provided with and snap connection module.
- A kind of 2. precise vacuum suction nozzle body according to claim 1, it is characterised in that：The suction nozzle sleeve（3）And institute State suction nozzle tube body（2）Between be provided with buffer spring（4）.
- A kind of 3. precise vacuum suction nozzle body according to claim 1, it is characterised in that：The adapter assembly（1）Also wrap Include thread bush（13）, the adapter（11）Middle part be provided with for the thread bush（13）The loose slot slided up and down（111）, The adapter（11）Upper end be provided with the first spacing block set（112）, the thread bush（13）Lower end be provided with the second limit Position convex block（131）, first spacing block set（112）Lower end and second spacing block set（131）Upper end be engaged.
- A kind of 4. precise vacuum suction nozzle body according to claim 1, it is characterised in that：The module that snaps connection includes It is arranged on the suction nozzle sleeve（3）On annular buckle slot（31）Be arranged at the adapter（11）On rubber ring（5） With some steel balls（6）, the adapter（11）Side wall on annular array be provided with and some steel balls（6）Correspondingly Concave groove（113）, the steel ball（6）Adaptation is arranged on the concave groove（113）In, the rubber ring（5）It is set in some institutes State steel ball（6）Outside, the steel ball（6）Some passes through the concave groove（113）And enter the adapter（11） Inside and with the annular buckle slot（31）It is engaged.
- A kind of 5. precise vacuum suction nozzle body according to claim 1, it is characterised in that：The suction nozzle sleeve（3）On set It is equipped with pin（7）, the suction nozzle tube body（2）One end be provided with and the pin（7）The waist type straight slot being adapted（22）, it is described Waist type straight slot（22）With the pin（7）It is slidingly fitted.
- A kind of 6. precise vacuum suction nozzle body according to claim 5, it is characterised in that：The suction nozzle sleeve（3）On set It is equipped with and the pin（7）It is adapted pin hole, the pin hole and the pin（7）Interference fit, the pin（7）With the waist Type straight slot（22）Clearance fit.
- A kind of 7. precise vacuum suction nozzle body according to claim 3, it is characterised in that：The thread bush（13）With it is described Adapter（11）Between be provided with sealing ring（8）.
- A kind of 8. precise vacuum suction nozzle body according to claim 1, it is characterised in that：The adapter（11）With it is described Suction nozzle sleeve（3）Between be provided with seal O-ring（9）.
- A kind of 9. precise vacuum suction nozzle body according to claim 2, it is characterised in that：The buffer spring（4）Bullet The value range of property coefficient K is 0.8~1.2N/mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720998113.4U CN207293561U (en) | 2017-08-10 | 2017-08-10 | A kind of precise vacuum suction nozzle body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720998113.4U CN207293561U (en) | 2017-08-10 | 2017-08-10 | A kind of precise vacuum suction nozzle body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207293561U true CN207293561U (en) | 2018-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720998113.4U Active CN207293561U (en) | 2017-08-10 | 2017-08-10 | A kind of precise vacuum suction nozzle body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207293561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107381041A (en) * | 2017-08-10 | 2017-11-24 | 珠海市运泰利自动化设备有限公司 | A kind of precise vacuum suction nozzle body |
-
2017
- 2017-08-10 CN CN201720998113.4U patent/CN207293561U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107381041A (en) * | 2017-08-10 | 2017-11-24 | 珠海市运泰利自动化设备有限公司 | A kind of precise vacuum suction nozzle body |
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