CN102963728A - Powder conveyer device for driving venturi powder pump through pulse air - Google Patents
Powder conveyer device for driving venturi powder pump through pulse air Download PDFInfo
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- CN102963728A CN102963728A CN2012104833655A CN201210483365A CN102963728A CN 102963728 A CN102963728 A CN 102963728A CN 2012104833655 A CN2012104833655 A CN 2012104833655A CN 201210483365 A CN201210483365 A CN 201210483365A CN 102963728 A CN102963728 A CN 102963728A
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Abstract
The invention relates to a powder conveyer device for driving a venturi powder pump through pulse air, which comprises a powder barrel, a fluidizing plate, a powder suction pipe, the venturi powder pump and a powder outlet pipe. The fluidizing plate is arranged in the powder barrel and is adjacent to the bottom of the powder barrel, a fluidizing air chamber is arranged between the fluidizing plate and the bottom of the powder barrel, one end of the powder suction pipe is protruded into the powder barrel so as to be communicated with a cavity of the powder barrel, and the other end is connected with a powder input port of the venturi powder pump; one end of the powder outlet pipe is connected to a powder output port of the venturi powder pump. The powder conveyer device for driving the venturi powder pump through the pulse air further comprises a pulse air current generator, the output end of the pulse air current generator is connected with a powder conveying air inlet of the venturi powder pump, and the powder and air in the venturi powder pump are completely mixed and conveyed through oscillating air current formed by the pulse air generated by the pulse air current generator. The powder conveyer device for driving the venturi powder pump through the pulse air is reliable in work, unlikely to block, is capable of reducing the powder spitting phenomenon of a powder spray gun, enhancing the powder injection effect, improving performance, and reducing the maintenance times.
Description
1, technical field
The present invention relates to a kind of powder conveying device that drives Venturi powder pump with pulse air.
2, background technology
As shown in Figure 1, the powder conveying device of existing use Venturi powder pump comprises: pressurized air to the rheomorphism of fluidisation air chamber 12 through fluidized plate 3, makes the powder 2 in the powder bucket 1 be in fluidized state by powder bucket fluidized gas entrance 11.The air-flow that the powder conveying gas entrance 51 of Venturi powder pump 5 passes into continuous stable air pressure forms Venturi effect, powder 2 in the powder bucket 1 flow into Venturi powder pump 5 by powder absorbing pipe 4, the atomization gas input port 52 of Venturi powder pump 5 passes into atomization gas, makes powder 2 and atomization gas fully mix the formation primary mixture and flows out from flour extraction pipe 7 under the promotion of powder feeding air-flow.
There is following shortcoming in its structure: as shown in Figure 2, the powder conveying gas entrance 51 of Venturi powder pump 5 passes into continuous stable air-flow, its flow is stable, but its powder powder outlet quantity fluctuation is larger, unstable, as shown in Figure 3, powder 2 is deposited on flour extraction pipe 7 tube wall bottoms easily, cause dust gun to tell powder when dusting, powder is carried easily and is stopped up, and the serious powder that causes can not be carried; Fault rate increases, job insecurity.
3, summary of the invention
The object of the present invention is to provide a kind ofly to drive the powder conveying device of Venturi powder pump with pulse air, its reliable operation is difficult for stopping up, and that can reduce dust gun tells the powder phenomenon, improves the effect of dusting, and improves performance, can reduce the number of times of maintenance.
The present invention by following technical solution scheme realizes:
A kind of powder conveying device with pulse air driving Venturi powder pump comprises a powder bucket, and this powder bucket has a cavity in order to the splendid attire powder, and the powder bottom of the barrel offers a fluidisation conductance entrance; One fluidized plate, this fluidized plate are located in the powder bucket and near the powder bottom of the barrel, are provided with a fluidisation air chamber between fluidized plate and the powder bottom of the barrel, and described fluidized gas introducing port is communicated with this fluidisation air chamber; One powder absorbing pipe, this powder absorbing pipe one end extend into powder bucket the inside and are communicated with powder bucket cavity, and the other end connects the powder input port of Venturi powder pump; One Venturi powder pump has powder conveying gas entrance, atomization gas input port, powder input port and powder output port, and the atomization gas input port passes into atomization gas; One flour extraction pipe, one end are connected to the powder output port of Venturi powder pump; It is characterized in that: also comprise pulse air flow generator, the mouth of pulse air flow generator connects the powder conveying gas entrance of Venturi powder pump, and the pulse air that pulse air flow generator produces forms an oscillating air flow can fully be mixed and carry the powder of Venturi powder pump the inside and air.
The frequency of the air pulse that pulse air flow generator described above produces is in 1 Hz～1000Hz scope.
The end of flour extraction pipe described above connects dust gun.
Between the mouth of pulse air flow generator described above and the Venturi powder pump second switch valve is set.
Atomization gas input port described above connects the atomization gas producer by the first switch valve.
The first switch valve described above, second switch valve are electrically-controlled valve and connection master controller, and dust gun is delivered to master controller by sensor with on-off signal, and master controller is controlled the unlatching of the first switch valve, second switch valve or closed.
Master controller described above is the PLC controller.
The present invention compared with prior art has following advantage: 1, the mouth of pulse air flow generator connects the powder conveying gas entrance of Venturi powder pump, and the pulse air that pulse air flow generator produces forms an oscillating air flow can be to powder and the more effective mixing of air of Venturi powder pump the inside; 2, the pulse air that produces of pulse air flow generator forms oscillating air flow can have a continuously impact effect to powder, makes in the course of conveying of powder to be difficult for stopping up reliable operation, and that reduces dust gun tells the powder phenomenon, improve the effect of dusting, improve performance, can reduce the number of times of maintenance.
4, description of drawings:
Fig. 1 is existing powder conveying device structural representation.
Fig. 2 is the powder delivery air spirogram of Venturi powder pump in the existing powder conveying device;
Fig. 3 is the powder powder delivery spirogram of Venturi powder pump in the existing powder conveying device;
Fig. 4 is the structural representation of a kind of state of invention;
Fig. 5 is the powder delivery air spirogram of the Venturi powder pump of invention;
Fig. 6 is the powder powder delivery spirogram of Venturi powder pump perfect condition in the invention;
The powder powder delivery spirogram of the actual test mode of Venturi powder pump in Fig. 7 invention;
Fig. 8 is the functional-block diagram of invention.
5, the specific embodiment:
As shown in Figure 4, a kind of powder conveying device with pulse air driving Venturi powder pump comprises a powder bucket 1, and this powder bucket 1 has a cavity in order to splendid attire powder 2, and powder bucket 1 bottom offers a fluidisation conductance entrance 12; One fluidized plate 3, this fluidized plate 3 are located in the powder bucket 1 and near powder bucket 1 bottom, are provided with a fluidisation air chamber 11 between fluidized plate 3 and powder bucket 1 bottom, and described fluidized gas introducing port 12 is communicated with this fluidisation air chamber; One powder absorbing pipe 4, these powder absorbing pipe 4 one ends extend into powder bucket 1 the inside and are communicated with powder bucket cavity, and the other end connects the powder input port 53 of Venturi powder pump 5; One Venturi powder pump 5 has powder conveying gas entrance 51, atomization gas input port 52, powder input port 53 and powder output port 54, and atomization gas input port 52 passes into atomization gas; One flour extraction pipe 7, one end are connected to the powder output port 54 of Venturi powder pump 5; Also comprise in addition pulse air flow generator 8, the mouth of pulse air flow generator 8 connects the powder conveying gas entrance 51 of Venturi powder pump 5, the pulse air that pulse air flow generator 8 produces forms an oscillating air flow can fully be mixed and carry the powder of Venturi powder pump 5 the insides and air, the frequency of the air pulse that pulse air flow generator 8 produces is in 1 Hz～1000Hz scope, the end of flour extraction pipe 7 connects dust gun 6, between the mouth of pulse air flow generator 8 and the Venturi powder pump 5 second switch valve 81 is set, atomization gas input port 52 connects atomization gas producer 9 by the first switch valve 91.
As shown in Figure 8, the first switch valve, second switch valve are electrically-controlled valve and connect master controller, dust gun is delivered to master controller by sensor with on-off signal, and master controller is controlled the unlatching of the first switch valve, second switch valve or closed, and master controller is the PLC controller.
Principle of work of the present invention is: such as Fig. 4, shown in Figure 8, during dust gun 6 work, master controller is received the start signal of dust gun 6, master controller firing pulse flow generator 8, master controller is opened second switch valve 81 and the first switch valve 91, the pulse air that pulse air flow generator 8 produces forms an oscillating air flow can fully be mixed and carry the powder of Venturi powder pump 5 the insides and air, the atomization gas that atomization gas producer 9 produces further makes powder and air fully mix, export primary mixture to spray gun in the end of flour extraction pipe 7, the pulse air that pulse air flow generator produces forms oscillating air flow can have a continuously impact effect to powder, make and be difficult in the course of conveying of powder stopping up, reliable operation, and that reduces dust gun tells the powder phenomenon, improve the effect of dusting, improve performance, can reduce the number of times of maintenance.
As shown in Figure 5, the pulse air flow that pulse air flow generator 8 produces sees shown in the figure that each cycle is divided into W0 and two time periods of W1, and in the W0 time period, the pulse air flow is zero, and when in the W1 time period, the pulse air flow is a constant value; As shown in Figure 6, the powder powder outlet quantity of Venturi powder pump perfect condition is an invariable value in the invention, and what solve dust gun tells the powder phenomenon, improves the effect of dusting, and improves performance; As shown in Figure 7, the powder powder outlet quantity is a less scope fluctuation in practice, keeps certain powder powder outlet quantity, can fine solution dust gun tell the powder phenomenon, improve the effect of dusting.
Claims (7)
1. one kind drives the powder conveying device of Venturi powder pump with pulse air, and it comprises:
One powder bucket, this powder bucket has a cavity in order to the splendid attire powder, and the powder bottom of the barrel offers a fluidisation conductance entrance;
One fluidized plate, this fluidized plate are located in the powder bucket and near the powder bottom of the barrel, are provided with a fluidisation air chamber between fluidized plate and the powder bottom of the barrel, and described fluidized gas introducing port is communicated with this fluidisation air chamber;
One powder absorbing pipe, this powder absorbing pipe one end extend into powder bucket the inside and are communicated with powder bucket cavity, and the other end connects the powder input port of Venturi powder pump;
One Venturi powder pump has powder conveying gas entrance, atomization gas input port, powder input port and powder output port, and the atomization gas input port passes into atomization gas;
One flour extraction pipe, one end are connected to the powder output port of Venturi powder pump;
It is characterized in that: also comprise
Pulse air flow generator, the mouth of pulse air flow generator connects the powder conveying gas entrance of Venturi powder pump, and the pulse air that pulse air flow generator produces forms an oscillating air flow can fully be mixed and carry the powder of Venturi powder pump the inside and air.
2. according to claim 1ly a kind ofly drive the powder conveying device of Venturi powder pump with pulse air, it is characterized in that: the frequency of the air pulse that pulse air flow generator produces is in 1 Hz～1000Hz scope.
3. a kind of powder conveying device with pulse air driving Venturi powder pump according to claim 2 is characterized in that: the end connection dust gun of flour extraction pipe.
4. it is characterized in that: between the mouth of pulse air flow generator and the Venturi powder pump second switch valve is set according to claim 1 and 2 or 3 describedly a kind ofly drive the powder conveying devices of Venturi powder pump with pulse air.
5. according to claim 4ly a kind ofly drive the powder conveying device of Venturi powder pump with pulse air, it is characterized in that: the atomization gas input port connects the atomization gas producer by the first switch valve.
6. a kind of powder conveying device that drives Venturi powder pump with pulse air according to claim 5, it is characterized in that: the first switch valve, second switch valve are electrically-controlled valve and connect master controller, dust gun is delivered to master controller by sensor with on-off signal, and master controller is controlled the unlatching of the first switch valve, second switch valve or closed.
7. according to claim 6ly a kind ofly drive the powder conveying device of Venturi powder pump with pulse air, it is characterized in that: master controller is the PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210483365.5A CN102963728B (en) | 2012-11-22 | 2012-11-22 | A kind of pulse air drives the powder conveying device of Venturi powder pump |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210483365.5A CN102963728B (en) | 2012-11-22 | 2012-11-22 | A kind of pulse air drives the powder conveying device of Venturi powder pump |
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| CN102963728A true CN102963728A (en) | 2013-03-13 |
| CN102963728B CN102963728B (en) | 2015-09-02 |
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| CN201210483365.5A Expired - Fee Related CN102963728B (en) | 2012-11-22 | 2012-11-22 | A kind of pulse air drives the powder conveying device of Venturi powder pump |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213846A (en) * | 2013-05-08 | 2013-07-24 | 杨新 | Method and device for cleaning grain bleachery |
| CN103662840A (en) * | 2013-12-06 | 2014-03-26 | 中山市君禾机电设备有限公司 | Device used for adding powder |
| CN110779297A (en) * | 2019-11-19 | 2020-02-11 | 江苏威拉里新材料科技有限公司 | Metal powder pre-mixing drying equipment |
| CN111115273A (en) * | 2019-12-26 | 2020-05-08 | 徐东 | Vacuum feeding machine suction gun mechanism for conveying powder |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1090249A (en) * | 1992-12-28 | 1994-08-03 | 堺化学工业株式会社 | Powder conveying apparatus |
| JPH10236647A (en) * | 1997-02-28 | 1998-09-08 | Kurimoto Ltd | Powder exhaust hole of tank for powder fluidization |
| US5928423A (en) * | 1994-05-24 | 1999-07-27 | Rid Corporation | Pneumatically fed powder supply system and powder coating apparatus |
| US6194027B1 (en) * | 1997-11-03 | 2001-02-27 | Itw Gema Ag | Method and equipment for powder spray coating |
| CN201322011Y (en) * | 2008-12-24 | 2009-10-07 | 裕东（中山）机械工程有限公司 | Powder material pneumatic transmitting pump |
| CN201520551U (en) * | 2009-05-22 | 2010-07-07 | 中冶华天工程技术有限公司 | Bottom discharge powder fluidization conveyor |
| CN202464834U (en) * | 2012-01-13 | 2012-10-03 | 武汉景宏磁业有限公司 | Totally-closed conveying and dedusting device for fine-grained powder |
| CN102765604A (en) * | 2012-07-31 | 2012-11-07 | 瑞赛高廷仕（中山）涂装设备有限公司 | Powder conveyer device |
| CN202967562U (en) * | 2012-11-22 | 2013-06-05 | 裕东（中山）机械工程有限公司 | Powder conveying device adopting pulsed gas to drive Venturi powder pump |
-
2012
- 2012-11-22 CN CN201210483365.5A patent/CN102963728B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1090249A (en) * | 1992-12-28 | 1994-08-03 | 堺化学工业株式会社 | Powder conveying apparatus |
| US5928423A (en) * | 1994-05-24 | 1999-07-27 | Rid Corporation | Pneumatically fed powder supply system and powder coating apparatus |
| JPH10236647A (en) * | 1997-02-28 | 1998-09-08 | Kurimoto Ltd | Powder exhaust hole of tank for powder fluidization |
| US6194027B1 (en) * | 1997-11-03 | 2001-02-27 | Itw Gema Ag | Method and equipment for powder spray coating |
| CN201322011Y (en) * | 2008-12-24 | 2009-10-07 | 裕东（中山）机械工程有限公司 | Powder material pneumatic transmitting pump |
| CN201520551U (en) * | 2009-05-22 | 2010-07-07 | 中冶华天工程技术有限公司 | Bottom discharge powder fluidization conveyor |
| CN202464834U (en) * | 2012-01-13 | 2012-10-03 | 武汉景宏磁业有限公司 | Totally-closed conveying and dedusting device for fine-grained powder |
| CN102765604A (en) * | 2012-07-31 | 2012-11-07 | 瑞赛高廷仕（中山）涂装设备有限公司 | Powder conveyer device |
| CN202967562U (en) * | 2012-11-22 | 2013-06-05 | 裕东（中山）机械工程有限公司 | Powder conveying device adopting pulsed gas to drive Venturi powder pump |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213846A (en) * | 2013-05-08 | 2013-07-24 | 杨新 | Method and device for cleaning grain bleachery |
| CN103662840A (en) * | 2013-12-06 | 2014-03-26 | 中山市君禾机电设备有限公司 | Device used for adding powder |
| CN110779297A (en) * | 2019-11-19 | 2020-02-11 | 江苏威拉里新材料科技有限公司 | Metal powder pre-mixing drying equipment |
| CN110779297B (en) * | 2019-11-19 | 2023-07-21 | 江苏威拉里新材料科技有限公司 | Metal powder premixing and drying equipment |
| CN111115273A (en) * | 2019-12-26 | 2020-05-08 | 徐东 | Vacuum feeding machine suction gun mechanism for conveying powder |
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| CN102963728B (en) | 2015-09-02 |
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Granted publication date: 20150902 Termination date: 20211122 |