CN209109432U - A kind of flow-rate adjustment pump of dust gun - Google Patents
A kind of flow-rate adjustment pump of dust gun Download PDFInfo
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- CN209109432U CN209109432U CN201821867989.6U CN201821867989U CN209109432U CN 209109432 U CN209109432 U CN 209109432U CN 201821867989 U CN201821867989 U CN 201821867989U CN 209109432 U CN209109432 U CN 209109432U
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Abstract
The utility model relates to a kind of flow-rate adjustment pumps of dust gun, including being equipped with powder inlet, powder feeding air flow inlet, atomization air flow entrance, the pump housing for being atomized meal outlet and mixing chamber, powder inlet, powder feeding air flow inlet, atomization air flow entrance, atomization meal outlet are connected to mixing chamber respectively, and the flow regulator for changing passed through air-flow size in the unit time for changing their communication paths sectional area sizes is equipped between the powder feeding air flow inlet and mixing chamber.The flow regulator of the utility model can change communication paths sectional area size between powder feeding air flow inlet and mixing chamber, then change the flow of the access unit time powder feeding throughput, to realize adjust atomization the meal outlet unit time ejection powder mass flow size, prevent powder mass flow it is excessive cause powder rebound or the too small problem for causing coating thickness too small of powder mass flow.The utility model structure is simple, is suitble to the application of all kinds of dust guns, powder spray booth.
Description
Technical field
The utility model relates to dust gun field, the flow-rate adjustment pump of specifically a kind of dust gun.
Background technique
Chinese patent literature CN202967562U discloses a kind of powder conveying with pulse air driving venturi powder pump
Device, including powder bucket, fluidized plate, powder absorbing pipe, venturi powder pump and flour extraction pipe, the fluidized plate are set in powder bucket and close to powder bucket bottom
Portion is equipped with a fluidisation gas chamber between fluidized plate and powder bucket bottom, which extend into inside powder bucket connects with powder bucket cavity
Logical, the other end connects the powder input port of venturi powder pump；Flour extraction pipe one end is connected to the powder output end of venturi powder pump
Mouthful；It further include pulse air flow generator, the powder of the output end connection venturi powder pump of pulse air flow generator conveys gas entrance,
The pulse air that pulse air flow generator generates formed oscillating air flow venturi powder can be pumped the inside powder and air it is abundant
Mixing and conveying.
The powder conveying device of this structure, the radial dimension that venturi powder pumps the powder conveying gas entrance being arranged are solid
It is fixed, make the air-flow stable by its air-flow, i.e. the powder mass flow that sprays within the unit time of powder conveying device is constant not
It is changeable.
When carrying out powder spray for workpiece, constant powder mass flow be easy to cause flow is excessive powder is caused to rebound or flow
Measure the too small problem for causing coating thickness too small.
Utility model content
The purpose of the utility model is to overcome above-mentioned the shortcomings of the prior art, and provide a kind of stream of dust gun
Amount adjusts pump, the size of adjustable sprayed powder mass flow.
Purpose of the utility model is realized as follows:
A kind of flow-rate adjustment pump of dust gun, including it is equipped with powder inlet, powder feeding air flow inlet, atomization air flow entrance, mist
Change meal outlet and mixing chamber the pump housing, powder inlet, powder feeding air flow inlet, atomization air flow entrance, atomization meal outlet respectively with mix
Chamber connection, which is characterized in that be equipped between the powder feeding air flow inlet and mixing chamber for changing their communication paths sectional areas
Size is to change the flow regulator of the passed through air-flow size unit time Nei.
The flow regulator includes spool and adjusting rod, and the spool head end is connected to powder feeding air flow inlet, and tail end connects
Logical mixing chamber, adjusting rod tail end are equipped with adjustment portion, and the adjustment portion is inserted radially into or extracts out with respect to spool head end, and adjustment portion is to valve
Core insertion makes its head end opening section product become smaller, and adjustment portion makes its head end opening section product become larger from spool extraction.
The spool head end is equipped with along spool head end to the gradually smaller tapered surface in tail end direction, and the adjustment portion is edge
Spool head end is to the gradually smaller cone-shaped in tail end direction or aciculiform shape.
Adjusting cavity is equipped in the pump housing, adjusting cavity head end forms open opening, and middle part is connected to powder feeding air flow inlet,
Tail end is connected to mixing chamber, and spool is a tight fit in adjusting cavity tail end, and adjusting rod is connected by screw thread and adjusting cavity head end thread seal
It connects.
The head end of the adjusting rod stretches out the pump housing and forms handle portion.
The spool and adjusting rod are coaxial arrangement.
The beneficial effects of the utility model are:
Flow regulator can change communication paths sectional area size between powder feeding air flow inlet and mixing chamber, then change
Become the flow of access unit time powder feeding throughput, the flow of powder feeding throughput changes the powder for sucking the powder inlet unit time
Later and decadent stage of a school of thought amount change, thus realize adjust atomization the meal outlet unit time ejection powder mass flow size, with adapt to different workpieces,
The sprayings of different spray distances uses, and prevents that powder mass flow is excessive to cause powder to rebound or powder mass flow is too small causes to spray
Apply the too small problem of thickness.
The utility model structure is simple, is suitble to the application of all kinds of dust guns, powder spray booth.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of an embodiment of the present invention.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments.
Referring to Fig. 1, the flow-rate adjustment pump of this dust gun, including it is equipped with powder inlet 11, powder feeding air flow inlet 12, atomization gas
Inflow entrance 13, the pump housing 1 for being atomized meal outlet 14 and mixing chamber 10, powder inlet 11, powder feeding air flow inlet 12, atomization air flow entrance
13, atomization meal outlet 14 is connected to mixing chamber 10 respectively, the work for the powder feeding air-flow that powder inlet 11 is flowed in powder feeding air flow inlet 12
Dusty spray is sucked to mixing chamber 10 with lower, atomization air flow entrance 13 inputs atomization air flow to mixing chamber 10 with atomizing spraying powder
End, the dusty spray after atomization are sprayed from atomization meal outlet 14, realize the spraying to workpiece.This implementation is in the powder feeding gas
It is equipped between inflow entrance 12 and mixing chamber 10 for changing their communication paths sectional area sizes to change institute in the unit time
Pass through the flow regulator of air-flow size.Flow regulator changes the powder feeding that powder feeding air flow inlet 12 is inputted to mixing chamber 10
Air-flow size, thus change the uninterrupted that powder inlet 11 sucks dusty spray to mixing chamber 10, it is final to realize that adjusting is atomized out
The size of the sprayed powder mass flow of powder mouth 14 makes dust gun have the function for flow adjusting of dusting, prevents powder mass flow
Excessive to cause powder rebound or the too small problem for causing coating thickness too small of powder mass flow, meeting more to dust makes under operating condition
With raising is dusted effect, and the waste of powder is reduced.
Further, the flow regulator includes spool 21 and adjusting rod 22, and the two is arranged coaxially, the spool
21 head ends are connected to powder feeding air flow inlet 12, and tail end is connected to mixing chamber 10, and 22 tail end of adjusting rod is equipped with adjustment portion 221, the adjusting
Portion 221 is inserted radially into or extracts out with respect to 21 head end of spool, and adjustment portion 221 becomes its head end opening section product to the insertion of spool 21
Small, adjustment portion 221 makes its head end opening section product become larger from the extraction of spool 21, is better achieved and changes powder air flow inlet 12 and mix
Close 10 communication paths sectional area sizes of chamber.
Further, 21 head end of spool is equipped with along 21 head end of spool to the gradually smaller tapered surface in tail end direction
211, the adjustment portion 221 is along 21 head end of spool to the gradually smaller cone-shaped in tail end direction or aciculiform shape, the two phase interworking
It closes, keeps adjusting 10 communication paths sectional area sizes of powder air flow inlet 12 and mixing chamber more flexible, linear, regulating effect is more
Good, those skilled in the art is appreciated that.
Further, be equipped with adjusting cavity 15 in the pump housing 1,15 head end of adjusting cavity forms open opening, middle part with give
Powder air flow inlet 12 is connected to, and tail end is connected to mixing chamber 10, and spool 21 is a tight fit in 15 tail end of adjusting cavity, and adjusting rod 22 passes through spiral shell
Line is connect with 15 head end thread seal of adjusting cavity, prevents air-flow from overflowing, by more simply realizing adjusting rod by threads turn
22 are inserted or pulled out spool 21.
Further, the head end of the adjusting rod 22 stretches out the pump housing 1 and forms handle portion, is convenient for user's tune dominated by hand
Section.
Above disclosure is merely preferred embodiments of the utility model, rather than the utility model is limited with this
Claims still belong to what the utility model was protected according to equivalent variations made in scope of protection of the utility model
Range.
Claims (6)
1. a kind of flow-rate adjustment pump of dust gun, including it is equipped with powder inlet (11), powder feeding air flow inlet (12), atomization gas inflow
Mouth (13), the pump housing (1) for being atomized meal outlet (14) and mixing chamber (10), powder inlet (11), powder feeding air flow inlet (12), atomization gas
Inflow entrance (13), atomization meal outlet (14) are connected to mixing chamber (10) respectively, which is characterized in that the powder feeding air flow inlet (12)
It is equipped between mixing chamber (10) for changing their communication paths sectional area sizes to change passed through gas in the unit time
Flow the flow regulator of size.
2. the flow-rate adjustment pump of dust gun according to claim 1, which is characterized in that the flow regulator includes valve
Core (21) and adjusting rod (22), spool (21) head end are connected to powder feeding air flow inlet (12), and tail end is connected to mixing chamber (10), adjust
Pole (22) tail end is equipped with adjustment portion (221), and the adjustment portion (221) is inserted radially into or extracts out with respect to spool (21) head end, adjusts
Section portion (221) makes its head end opening section product become smaller to spool (21) insertion, and adjustment portion (221) makes its head from spool (21) extraction
End opening sectional area becomes larger.
3. the flow-rate adjustment pump of dust gun according to claim 2, which is characterized in that spool (21) head end is equipped with
Along spool (21) head end to the gradually smaller tapered surface in tail end direction (211), the adjustment portion (221) is along spool (21) head end
To the gradually smaller cone-shaped in tail end direction or aciculiform shape.
4. the flow-rate adjustment pump of dust gun according to claim 2, which is characterized in that be equipped with and adjust in the pump housing (1)
Chamber (15), adjusting cavity (15) head end form open opening, and middle part is connected to powder feeding air flow inlet (12), tail end and mixing chamber
(10) it is connected to, spool (21) is a tight fit in adjusting cavity (15) tail end, and adjusting rod (22) passes through screw thread and adjusting cavity (15) head end spiral shell
Line is tightly connected.
5. the flow-rate adjustment pump of dust gun according to claim 2, which is characterized in that the head end of the adjusting rod (22) is stretched
The pump housing (1) and form handle portion out.
6. according to the flow-rate adjustment pump of any one of the claim 2-5 dust gun, which is characterized in that the spool (21) and
Adjusting rod (22) is coaxial arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821867989.6U CN209109432U (en) | 2018-11-12 | 2018-11-12 | A kind of flow-rate adjustment pump of dust gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821867989.6U CN209109432U (en) | 2018-11-12 | 2018-11-12 | A kind of flow-rate adjustment pump of dust gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209109432U true CN209109432U (en) | 2019-07-16 |
Family
ID=67205000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821867989.6U Active CN209109432U (en) | 2018-11-12 | 2018-11-12 | A kind of flow-rate adjustment pump of dust gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209109432U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113019732A (en) * | 2021-03-11 | 2021-06-25 | 深圳市德贝尔喷枪有限公司 | High-precision spray gun spraying control system based on linear regulation |
-
2018
- 2018-11-12 CN CN201821867989.6U patent/CN209109432U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113019732A (en) * | 2021-03-11 | 2021-06-25 | 深圳市德贝尔喷枪有限公司 | High-precision spray gun spraying control system based on linear regulation |
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