CN208453948U - A kind of integration type flow sucker - Google Patents
A kind of integration type flow sucker Download PDFInfo
- Publication number
- CN208453948U CN208453948U CN201821063259.0U CN201821063259U CN208453948U CN 208453948 U CN208453948 U CN 208453948U CN 201821063259 U CN201821063259 U CN 201821063259U CN 208453948 U CN208453948 U CN 208453948U
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- China
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- exhaust part
- sucker
- air intake
- annular jet
- type flow
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Abstract
The utility model discloses a kind of integration type flow suckers, including exhaust part, air intake and the sucker being sequentially coaxially fixedly mounted from top to bottom, the center of the exhaust part, air intake and sucker is up and down, there are gaps between at the top of the inner end bottom of the exhaust part and the inner end of air intake, form annular jet, the air flue being connected with annular jet is offered in the exhaust part, the air flue is equipped with inlet suction port relative to the other end of annular jet, and the bottom inside of the exhaust part is equipped with water conservancy diversion slope obliquely.Flow velocity accelerates to increase when the utility model is flowed up using the annular flow that the design principle of Laval nozzle generates annular jet, so that speed when air-flow passes through the hole of circuit substrate, which generates kinetic energy, forms partial pressure differential, the purpose drawn to circuit substrate is realized.
Description
Technical field
The utility model relates to a kind of integration type flow suckers.
Background technique
In circuit substrate during automated production, need to carry out grasp handling to substrate, and due on circuit substrate
Hole is intensively loose, and traditional vacuum chuck generates the principle realization pair of suction using negative pressure of vacuum and the pressure difference of atmospheric pressure
The crawl of object, when being drawn using traditional vacuum chuck to porous circuit substrate, ambient atmosphere constantly through hole
Hole enters in vacuum chamber, so that vacuum chamber can not reliably establish vacuum degree, therefore when grabbing to circuit substrate, nothing
Method uses traditional vacuum chuck.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of integration type flow sucker, Laval nozzle is utilized
Design principle makes air-flow accelerate amplification while generating annular flow, form the airflow path of greater flow, and air-flow passes through electricity
The speed when hole of base board generates kinetic energy and forms partial pressure differential, to achieve the purpose that absorption.
The technical solution adopted in the utility model is:
A kind of integration type flow sucker, including be sequentially coaxially fixedly mounted from top to bottom exhaust part, air intake and
Sucker, the center of the exhaust part, air intake and sucker up and down, the inner end bottom of the exhaust part and air intake it is interior
There are gaps between the top of end, form annular jet, offer the air flue being connected with annular jet, institute in the exhaust part
It states air flue and is equipped with inlet suction port relative to the other end of annular jet, the bottom inside of the exhaust part is equipped with water conservancy diversion obliquely
Slope.
Preferably, the top of the exhaust part be equipped with mounting flange, the mounting flange, exhaust part, air intake and
It is successively fixedly connected respectively by screw between sucker.
Preferably, offering n lower connecting holes at the top of the exhaust part, the lower connecting hole is circumferentially uniformly distributed,
The 2n upper connecting holes to match with lower connecting hole are offered on the mounting flange, the upper connecting hole is circumferentially equal
Cloth, wherein n >=3.
The design of upper connecting hole and lower connecting hole, convenient for exhaust part according to the suitable upper connection of the needs of installation site selection
Installation is fixed in hole, thus convenient to use.
Preferably, the inlet suction port is mounted in the outside cambered surface of exhaust part.
The another technical solution of the utility model:
A kind of integration type flow sucker, including be sequentially coaxially fixedly mounted from top to bottom exhaust part, air intake and
Sucker, up and down, the inner end bottom of the exhaust part is equipped with obliquely at the center of the exhaust part, air intake and sucker
The angle of first conical surface, first conical surface and exhaust part axle center is α, and the obliquely is equipped at the top of the inner end of the air intake
Two conical surfaces, the angle in second conical surface and air intake axle center are β, and α is less than β, first conical surface and second conical surface it
Between there are gap, form annular jet, offer the air flue being connected with annular jet, the air flue phase in the exhaust part
Inlet suction port is equipped with for the other end of annular jet.
Preferably, the side of the exhaust part be equipped with mounting flange, the mounting flange, exhaust part, air intake and
It is successively fixedly connected respectively by screw between sucker.
Preferably, the side of the exhaust part offers n lower connecting holes, the lower connecting hole is circumferentially uniformly distributed,
The 2n upper connecting holes to match with lower connecting hole are offered on the mounting flange, the upper connecting hole is circumferentially equal
Cloth, wherein n >=3.
Preferably, the inlet suction port is mounted in the outside cambered surface of exhaust part.
Laval nozzle design principle: combustion gas stream in rocket engine under chamber pressure effect, by jet pipe to
After move, into this stage of jet pipe, gasmovement is followed, and " when fluid moves in pipe, the small place's flow velocity in section is big, section general goal
Flow velocity is small " principle, therefore air-flow constantly accelerates, and when reaching narrow larynx, flow velocity has been over velocity of sound, and transonic fluid
But no longer follow the principle of " the small place's flow velocity in section is big, and section general goal flow velocity is small " during exercise, and on the contrary, section is bigger,
Flow velocity is faster.
Exhaust part is the purposes for receiving the expansion of annular jet air-flow, and air intake is to be formed under annular jet from end face air inlet
Functor is formed together vacuum flow generator with exhaust part, sucker be draw and with the connection medium that is drawn object, simultaneously
Certain sideslip frictional force and leakproofness are provided.
The utility model is flowed up using the annular flow that the design principle of Laval nozzle generates annular jet
When flow velocity accelerate to increase it is real so that speed when air-flow passes through the hole of circuit substrate, which generates kinetic energy, forms partial pressure differential
The purpose that now circuit substrate is drawn.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of embodiment 1；
Fig. 2 is the schematic diagram of the section structure of embodiment 2；
Fig. 3 is the schematic perspective view of embodiment 2.
Specific embodiment
Below by specific embodiment and in conjunction with attached drawing, the utility model is further described in detail, and the application mentions
The upper and lower direction arrived is using attached drawing as foundation.
Embodiment 1
A kind of integration type flow sucker as shown in Figure 1, including the exhaust being sequentially coaxially fixedly mounted from top to bottom
Part 1, air intake 2 and sucker 3, the center of the exhaust part 1, air intake 2 and sucker 3 up and down, the exhaust part 1 it is interior
It holds between at the top of the inner end of bottom and air intake 2 that there are gaps, forms annular jet 4, offered in the exhaust part 1 and ring
The air flue 5 that shape spout 4 is connected, the air flue 5 are equipped with inlet suction port 6, the exhaust part relative to the other end of annular jet 4
1 bottom inside is equipped with water conservancy diversion slope 7 obliquely.
The top of the exhaust part 1 is equipped with mounting flange 8, the mounting flange 8, exhaust part 1, air intake 2 and sucker 3
Between be successively fixedly connected respectively by screw.
The top of the exhaust part 1 offers n lower connecting holes, and the lower connecting hole is circumferentially uniformly distributed, the peace
The 2n upper connecting holes to match with lower connecting hole are offered on dress flange 8, the upper connecting hole is circumferentially uniformly distributed, wherein n
≥3。
The inlet suction port 6 is mounted in the outside cambered surface of exhaust part 1.
Embodiment 2
As shown in Figure 2,3, a kind of integration type flow sucker, including the exhaust being sequentially coaxially fixedly mounted from top to bottom
Part 1, air intake 2 and sucker 3, the center of the exhaust part 1, air intake 2 and sucker 3 up and down, the exhaust part 1 it is interior
Hold bottom equipped with first conical surface 9 obliquely, first conical surface 9 and the angle in 1 axle center of exhaust part are α, the air intake 2
It is equipped with second conical surface 10 obliquely at the top of inner end, the angle in second conical surface 10 and 2 axle center of air intake is β, and α is less than β,
There are gap between first conical surface 9 and second conical surface 10, form annular jet 4, offered in the exhaust part 1 with
The air flue 5 that annular jet 4 is connected, the air flue 5 are equipped with inlet suction port 6 relative to the other end of annular jet 4.
The side of the exhaust part 1 is equipped with mounting flange 8, the mounting flange 8, exhaust part 1, air intake 2 and sucker 3
Between be successively fixedly connected respectively by screw.
The side of the exhaust part 1 offers n lower connecting holes, and the lower connecting hole is circumferentially uniformly distributed, the peace
The 2n upper connecting holes to match with lower connecting hole are offered on dress flange 8, the upper connecting hole is circumferentially uniformly distributed, wherein n
≥3。
The inlet suction port 6 is mounted in the outside cambered surface of exhaust part 1.
When the utility model is used, positive pressure gas flow enters in air flue 5 from inlet suction port 6, it is then inside from annular jet 4
It spraying, when by annular jet 4, section first reduces and increases afterwards, and due to being designed using Laval nozzle, flow velocity increases always,
And 2 lower end surface of air intake is to upper air, forms annular airflow with the air-flow that annular jet 4 generates, 2 lower end surface of air intake to
On air-flow pass through circuit substrate 11 hole when by speed generate kinetic energy formed partial pressure differential, to reach to circuit base
The purpose that plate 11 is drawn.
Claims (8)
1. a kind of integration type flow sucker, which is characterized in that including the exhaust part being sequentially coaxially fixedly mounted from top to bottom
(1), air intake (2) and sucker (3), the center of the exhaust part (1), air intake (2) and sucker (3) are up and down, described
There are gaps between at the top of the inner end bottom of exhaust part (1) and the inner end of air intake (2), are formed annular jet (4), the exhaust
The bottom inside of part (1) is equipped with water conservancy diversion slope (7) obliquely, offers in the exhaust part (1) and is connected with annular jet (4)
Logical air flue (5), the air flue (5) are equipped with inlet suction port (6) relative to the other end of annular jet (4).
2. a kind of integration type flow sucker according to claim 1, which is characterized in that the top of the exhaust part (1)
Portion is equipped with mounting flange (8), successively distinguishes between the mounting flange (8), exhaust part (1), air intake (2) and sucker (3)
It is fixedly connected by screw.
3. a kind of integration type flow sucker according to claim 2, which is characterized in that the top of the exhaust part (1)
Portion offers the lower connecting holes of n, and the lower connecting hole is circumferentially uniformly distributed, offered on the mounting flange (8) 2n with
The upper connecting hole that lower connecting hole matches, the upper connecting hole is circumferentially uniformly distributed, wherein n >=3.
4. a kind of integration type flow sucker according to claim 1 or 2, which is characterized in that the inlet suction port
(6) it is mounted in the outside cambered surface of exhaust part (1).
5. a kind of integration type flow sucker, which is characterized in that including the exhaust part being sequentially coaxially fixedly mounted from top to bottom
(1), air intake (2) and sucker (3), the center of the exhaust part (1), air intake (2) and sucker (3) are up and down, described
The inner end bottom of exhaust part (1) is equipped with first conical surface (9) obliquely, the folder of first conical surface (9) and exhaust part (1) axle center
Angle is α, and second conical surface (10) obliquely, second conical surface (10) and air inlet are equipped at the top of the inner end of the air intake (2)
The angle in part (2) axle center is β, and α is less than β, and there are gaps between first conical surface (9) and second conical surface (10), is formed
Annular jet (4), the exhaust part (1) is interior to offer the air flue (5) being connected with annular jet (4), air flue (5) phase
Inlet suction port (6) are equipped with for the other end of annular jet (4).
6. a kind of integration type flow sucker according to claim 5, which is characterized in that the side of the exhaust part (1)
Portion is equipped with mounting flange (8), successively distinguishes between the mounting flange (8), exhaust part (1), air intake (2) and sucker (3)
It is fixedly connected by screw.
7. a kind of integration type flow sucker according to claim 6, which is characterized in that the side of the exhaust part (1)
Portion offers the lower connecting holes of n, and the lower connecting hole is circumferentially uniformly distributed, offered on the mounting flange (8) 2n with
The upper connecting hole that lower connecting hole matches, the upper connecting hole is circumferentially uniformly distributed, wherein n >=3.
8. a kind of integration type flow sucker according to claim 5 or 6, which is characterized in that the inlet suction port
(6) it is mounted in the outside cambered surface of exhaust part (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821063259.0U CN208453948U (en) | 2018-07-05 | 2018-07-05 | A kind of integration type flow sucker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821063259.0U CN208453948U (en) | 2018-07-05 | 2018-07-05 | A kind of integration type flow sucker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208453948U true CN208453948U (en) | 2019-02-01 |
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ID=65172242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821063259.0U Active CN208453948U (en) | 2018-07-05 | 2018-07-05 | A kind of integration type flow sucker |
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| CN (1) | CN208453948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076815A (en) * | 2019-06-03 | 2019-08-02 | 阿尔贝斯(长兴)科技有限公司 | Disk flow formula sucker |
-
2018
- 2018-07-05 CN CN201821063259.0U patent/CN208453948U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076815A (en) * | 2019-06-03 | 2019-08-02 | 阿尔贝斯(长兴)科技有限公司 | Disk flow formula sucker |
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