CN207287829U - A kind of Cyclonic negative pressure powder pump - Google Patents
A kind of Cyclonic negative pressure powder pump Download PDFInfo
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- CN207287829U CN207287829U CN201720897560.0U CN201720897560U CN207287829U CN 207287829 U CN207287829 U CN 207287829U CN 201720897560 U CN201720897560 U CN 201720897560U CN 207287829 U CN207287829 U CN 207287829U
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- negative pressure
- powder pump
- powder
- connecting tube
- pipe
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Abstract
The utility model discloses a kind of Cyclonic negative pressure powder pump, it includes connecting tube, level is embedded in the powder pump stent on the connecting tube side wall, jet pipe and flour extraction pipe, flour extraction pipe is fixed on the flour extraction pipe mounting hole of powder pump stent, the jet stream needle tubing of jet pipe is arranged in the negative pressure hole of the jet pipe mounting hole of powder pump stent and insertion powder pump stent, the tube head of jet pipe is connected with external high pressure source of the gas, the high-speed gas that the jet stream needle tubing sprays are successively from the negative pressure hole, passed through at flour extraction pipe, powder pump stent is provided with the notch for connecting the negative pressure hole and the connecting tube cavity volume；The bottom of the connecting tube is provided with the powder pump cover for clearing up powder.The Cyclonic negative pressure powder pump configuration of the utility model is simple, and only in jet stream needle tubing insertion connecting tube, inside is without the dead ends of cleanning；And the relatively low pressure that negative pressure hole is formed makes to produce swirling eddy in connecting tube, the centripetal force that air-flow produces makes powder reduce the friction with being connected inside pipe wall, extends the service life of equipment.
Description
Technical field
It the utility model is related to a kind of powder spray technical field, more particularly to a kind of Cyclonic negative pressure powder pump.
Background technology
Enterprise is when carrying out powder spray production, it is often necessary to when replacing the powder of different colours, and replacing powder, it is necessary to
First clean out accumulate in hopper cavity volume and powder pump cavity volume in powder after, can just be put into the powder of another color.
But existing powder pump configuration is relative complex, its internal cleaning dead angle is more, cause worker when clearing up powder not
It is enough convenient, and cleaning is not clean enough, mixed color phenomenon occurs in spraying produces, is brought to a certain degree for the manufacturing of enterprise
Trouble.On the other hand, since hopper is usually in up big and down small funnel-form, when air-flow enters wheel cylinder from top to down, can expect
Rotating air-flow is formed in bucket, and existing powder pump is generally disposed at the center of feed hopper bottom, air-flow enters feed hopper bottom
Shi Rongyi forms sinuous flow, causes powder to occur powder solidification there is a phenomenon where frictional heat with inner-walls of duct.
Utility model content
The purpose of this utility model is to provide a kind of Cyclonic negative pressure powder pump, and the structure of powder pump is simple, and inside is without powder
The dead ends of cleanning, its accumulated powder are easily cleaned, while can reduce friction of the powder to inner-walls of duct, avoid that powder solidification occurs
Phenomenon.
To achieve these goals, the technical solution of the utility model is：
A kind of Cyclonic negative pressure powder pump, it includes：Connecting tube, the level of the exterior hopper of top connection are embedded in the connection
Powder pump stent, jet pipe and flour extraction pipe on pipe side wall；
The powder pump stent is a straight tube, and being disposed with jet pipe along the flow direction of the gas in its pipe fixes
Hole, negative pressure hole and flour extraction pipe mounting hole；
The powder pump stent is provided with to connect the notch of the negative pressure hole and connecting tube cavity volume, its shape and the company
The shape of nozzle inner wall is adapted；
The jet pipe includes：Tube head and jet stream needle tubing；
The jet stream needle tubing is arranged in the jet pipe mounting hole and the insertion negative pressure hole, and the tube head is high with outside
Pressurized air source connects, and the high-speed gas that the jet stream needle tubing sprays pass through at the negative pressure hole, flour extraction pipe successively.
More than one group of powder can be set to pump stent, jet pipe and go out as a kind of specific embodiment, in the connecting tube
Tube cell.
Further, powder pump stent, jet pipe and the flour extraction pipe are coaxially disposed.
Further, bore of the bore of the port of export of the jet stream needle tubing than the arrival end of the jet stream needle tubing
It is small.
Further, the flour extraction pipe is in horn-like close to one end of jet pipe, and the bore at the end is along away from described
The direction of jet pipe is gradually reduced.
Further, using surface, smooth and not bread material is made the flour extraction pipe.
Further, powder pump further includes：For the tower connector being connected with exterior dusting device, its be sheathed on it is described go out
On the outside of tube cell.
Further, the bottom of the connecting tube is provided with to clear up the connection tube cover of powder, the connection tube cover
One end is provided with hinge connection with the connecting tube, its other end is provided with lock connection with the connecting tube.
Compared with prior art, the utility model has following technique effect：
The Cyclonic negative pressure powder pump of the utility model is provided with the horizontal powder pump stent being embedded in connection pipe outer wall, described
Negative pressure hole in powder pump stent is connected with the cavity volume of connecting tube, and the tube head and flour extraction pipe of jet pipe pass through jet pipe mounting hole respectively
It is arranged on the outer wall of connecting tube with flour extraction pipe mounting hole, only in the jet stream needle tubing insertion negative pressure hole of jet pipe, makes in connecting tube
Retain space as big as possible, avoid producing the dead angle of easy accumulated powder in connecting tube.
, should due to Venturi effect meanwhile high pressure draught is projected from jet stream needle tubing, sequentially passes through negative pressure hole and flour opening
Gas forms negative pressure at negative pressure hole, is in due to negative pressure hole on the excircle of connecting tube cavity volume, and flow downward from hopper
Gas produces swirling eddy, under the action of both, also produces swirling eddy in connecting tube, and powder is with flow rotation and tangentially
Direction is transported to destination through flour extraction pipe；Since powder is subject to the centripetal force of swirling eddy to act on, so as to reduce to pipeline
The friction of inner wall, avoid there is a phenomenon where make because of frictional heat powder solidify.
Further, more than one group of powder can be set to pump stent, jet pipe and flour extraction pipe in the connecting tube, make what powder exported
Speed can further improve.
Further, powder pump stent, jet pipe and flour extraction pipe are coaxially disposed, and jet pipe and flour extraction pipe are arranged at described
Powder pumps the both ends of branch pipe, since when same straight tube both ends process perforate, its concentricity is easier to ensure, avoids inclined because processing
Gases at high pressure that are poor and spraying the jet pipe damage flour extraction pipe.
Further, bore of the bore of the port of export of the jet stream needle tubing than the arrival end of the jet stream needle tubing
It is small, make gases at high pressure spray jet pipe when because runner narrows and flow velocity accelerate, increase what is produced by Venturi effect in negative pressure hole
Negative pressure.
Further, the flour extraction pipe is in horn-like close to one end of jet pipe, and the bore at the end is along away from described
The direction of jet pipe is gradually reduced, this shape can guide air-flow, as much as possible drawing powder.
Further, using surface, smooth and not bread material is made the flour extraction pipe, makes powder will not be because being stained with
Become difficult to clear up on flour extraction pipe surface.
Further, powder pump further includes：The tower connector being sheathed on the outside of the flour extraction pipe, tower connector use standard
The connector of system, is connected with exterior dusting device using the accessory of standard, adds the applicability of this powder pump.
Further, the bottom of the connecting tube is provided with to clear up the connection tube cover of powder, the connection tube cover
One end is provided with hinge connection with the connecting tube, its other end is provided with lock connection with the connecting tube；During normal production,
The connecting tube cover locking prevents powder from falling from connecting tube, and when replacing the powder of different colours, opening connection tube cover can be quick
Clear up the accumulated powder in pipe.
In order to better understand and implement, describe the utility model in detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structure diagram of 1 Cyclonic negative pressure powder of the utility model embodiment pump；
Fig. 2 is the horizontal direction sectional view of 1 Cyclonic negative pressure powder of the utility model embodiment pump；
Fig. 3 is the vertical direction sectional view of 1 Cyclonic negative pressure powder of the utility model embodiment pump；
Fig. 4 is the structure diagram of the powder pump stent of 1 Cyclonic negative pressure powder of the utility model embodiment pump.
Embodiment
Embodiment 1
- 4 are please referred to Fig.1, a kind of Cyclonic negative pressure powder pump, it includes：The connecting tube (1) of the exterior hopper (5) of top connection,
Level is embedded in powder pump stent (2), jet pipe (3) and flour extraction pipe (4) on the connecting tube (1) side wall；
The powder pump stent (2) is a straight tube, and being disposed with jet pipe along the flow direction of the gas in its pipe consolidates
Determine hole (21), negative pressure hole (22) and flour extraction pipe mounting hole (23)；
The powder pump stent (2) is provided with to connect the notch (24) of the negative pressure hole (22) and connecting tube (1) cavity volume,
Its shape and the shape of the connecting tube (1) inner wall are adapted；
The jet pipe (3) includes：Tube head (31) and jet stream needle tubing (32)；
The jet stream needle tubing (32) is arranged in the jet pipe mounting hole (21) and the insertion negative pressure hole (22), described
Tube head (31) is connected with external high pressure source of the gas, and the high-speed gas that the jet stream needle tubing (32) sprays are successively from the negative pressure hole
(22), flour extraction pipe (4) place passes through；
Preferably, more than one group of powder can be set to pump stent (2), jet pipe (3) and flour extraction pipe on the connecting tube (1)
(4)。
Preferably, powder pump stent (2), jet pipe (3) and the flour extraction pipe (4) are coaxially disposed.
Preferably, pipe of the bore of the port of export of the jet stream needle tubing (32) than the arrival end of the jet stream needle tubing (32)
Internal diameter is small.
Preferably, the flour extraction pipe (4) is close to one end of jet pipe (3) in horn-like, and the bore at the end is along remote
The direction of the jet pipe (3) is gradually reduced.
Preferably, using surface, smooth and not bread material is made the flour extraction pipe (4).
Preferably, powder pump further includes：For the tower connector (6) being connected with exterior dusting device, it is sheathed on described
On the outside of flour extraction pipe (4).
Preferably, the bottom of the connecting tube (1) is provided with to clear up the connection tube cover (11) of powder, the connecting tube
The one end and the connecting tube for covering (11) are provided with hinge connection, its other end is provided with lock (7) with the connecting tube and is connected.
The operation principle of the utility model：
When carrying out powder spray production, the hair-dryer on hopper (5) top produces air-flow and powder is blown into powder hopper (5), the gas
Stream from hopper (5) enter connecting tube (1) when, because flow area is gradually reduced and hopper (5) formation swirling eddy, the rotary pneumatic
Stream drives powder into connecting tube (1) cavity volume of material bin (5) bottom；The tube head (31) of jet pipe (3) connects with external high pressure source of the gas
Connect, high-speed gas are sprayed in the negative pressure hole (22) for entering powder pump stent (2) from jet stream needle tubing (32) and worn from flour extraction pipe (4)
Cross, while powder pump stent (2) level is embedded on the side wall of the connecting tube (1), and powder pump stent (2) offers a notch
(24) connect negative pressure hole (22) and the cavity volume of connecting tube (1)；Due to Venturi effect, negative pressure hole (22) that high-speed gas flow through
The low pressure of interior formation forms a tangential force to the powder in connecting tube (1) with flow rotation, makes its tangent line along flow rotation
Direction is sucked into negative pressure hole (22), and then is transported to purpose through flour extraction pipe (4) with high-speed gas and is located in.
When needing to carry out changing powder, simple hydro-peening is carried out with air gun after the connection tube cover (11) of opening connecting tube (1) bottom
The powder of quick-replaceable different colours can be achieved；Meanwhile the shape of the notch (24) of powder pump stent (2) and connecting tube (1)
The shape of inner wall is mutually matched, and tube head (31) and the flour extraction pipe (4) of jet pipe (3) are both secured on the outer wall of connecting tube (4), even
Take in the cavity volume of (1) and be only inserted into jet stream needle tubing (32), the cavity volume of connecting tube (1) remains space as much as possible, and powder is because of weight
Power acts on the inner wall that can not gather connecting tube (1), further avoids producing the accumulated powder for being difficult to clear up in connecting tube.
The utility model is not limited to the above embodiment, if the various changes or deformation to the utility model do not take off
From the spirit and scope of the utility model, if these changes and deformation belong to the claims and equivalents of the utility model
Within the scope of, then the utility model is also intended to comprising these changes and deformation.
Claims (8)
- A kind of 1. Cyclonic negative pressure powder pump, it is characterised in that including：The connecting tube of the exterior hopper of top connection, the horizontal powder being embedded on the connecting tube side wall pump stent, jet pipe and go out Tube cell；The powder pump stent is a straight tube, and jet pipe mounting hole, negative pressure hole are disposed with along the flow direction of gas in its pipe With flour extraction pipe mounting hole；The powder pump stent is provided with to connect the notch of the negative pressure hole and connecting tube cavity volume, its shape and the connecting tube The shape of inner wall is adapted；The jet pipe includes：Tube head and jet stream needle tubing；The jet stream needle tubing is arranged in the jet pipe mounting hole and the insertion negative pressure hole, the tube head and external high pressure gas Source connects, and the high-speed gas that the jet stream needle tubing sprays pass through at the negative pressure hole, flour extraction pipe successively.
- 2. Cyclonic negative pressure powder pump according to claim 1, it is characterised in that：More than one group of powder can be set to pump stent, jet pipe and flour extraction pipe in the connecting tube.
- 3. Cyclonic negative pressure powder pump according to claim 1, it is characterised in that：Powder pump stent, jet pipe and the flour extraction pipe are coaxially disposed.
- 4. Cyclonic negative pressure powder pump according to claim 1, it is characterised in that：The bore of the port of export of the jet stream needle tubing is smaller than the bore of the arrival end of the jet stream needle tubing.
- 5. Cyclonic negative pressure powder pump according to claim 1, it is characterised in that：The flour extraction pipe close to one end of jet pipe in horn-like, and the bore at the end along the direction away from the jet pipe by It is tapered small.
- 6. Cyclonic negative pressure powder pump according to claim 1, it is characterised in that：Using surface, smooth and not bread material is made the flour extraction pipe.
- 7. Cyclonic negative pressure powder pump according to claim 1, it is characterised in that：Powder pump further includes：For the tower connector being connected with exterior dusting device, it is sheathed on the outside of the flour extraction pipe.
- 8. Cyclonic negative pressure powder pump according to claim 1, it is characterised in that：The bottom of the connecting tube is provided with to clear up the connection tube cover of powder, one end of the connection tube cover and the connection Pipe is provided with hinge connection, its other end is provided with lock connection with the connecting tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720897560.0U CN207287829U (en) | 2017-07-20 | 2017-07-20 | A kind of Cyclonic negative pressure powder pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720897560.0U CN207287829U (en) | 2017-07-20 | 2017-07-20 | A kind of Cyclonic negative pressure powder pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207287829U true CN207287829U (en) | 2018-05-01 |
Family
ID=62447523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720897560.0U Active CN207287829U (en) | 2017-07-20 | 2017-07-20 | A kind of Cyclonic negative pressure powder pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207287829U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107282329A (en) * | 2017-07-20 | 2017-10-24 | 江门市博涂环保机电科技有限公司 | A kind of Cyclonic negative pressure powder pump |
-
2017
- 2017-07-20 CN CN201720897560.0U patent/CN207287829U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107282329A (en) * | 2017-07-20 | 2017-10-24 | 江门市博涂环保机电科技有限公司 | A kind of Cyclonic negative pressure powder pump |
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