CN112691802A - Powder supply device, powder device and spraying system - Google Patents
Powder supply device, powder device and spraying system Download PDFInfo
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- CN112691802A CN112691802A CN202011428974.1A CN202011428974A CN112691802A CN 112691802 A CN112691802 A CN 112691802A CN 202011428974 A CN202011428974 A CN 202011428974A CN 112691802 A CN112691802 A CN 112691802A
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- powder
- powder supply
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/16—Arrangements for supplying liquids or other fluent material
- B05B5/1683—Arrangements for supplying liquids or other fluent material specially adapted for particulate materials
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Abstract
The invention provides a powder supply device, powder equipment and a spraying system, which comprise a powder supply assembly, wherein the powder supply assembly comprises a powder supply pipe and a fluidizing pipe, the fluidizing pipe is positioned inside the powder supply pipe, the powder supply pipe and the fluidizing pipe form an air cavity, a powder supply cavity is arranged in the fluidizing pipe, micropores are formed in the fluidizing pipe, can be used for gas to pass through and can isolate powder, the powder supply cavity and the air cavity are communicated through the micropores, a powder inlet hole, a powder outlet hole and a vent hole are formed in the powder supply pipe, the powder inlet hole and the powder outlet hole are communicated with the powder supply cavity, and the vent hole is communicated with the air cavity; the powder supply device, the powder equipment and the spraying system are high in efficiency and low in energy consumption.
Description
Technical Field
The invention relates to the field of spraying equipment, in particular to a powder supply device, a powder device and a spraying system.
Background
Electrostatic spraying is a spraying method which utilizes a high-voltage electrostatic electric field to make negatively charged paint particles directionally move along the direction opposite to the electric field and adsorb the paint particles on the surface of a workpiece. The electrostatic spraying technology has wide application range because a thicker coating can be obtained by one-time coating.
Along with the development of society, the degree of automation is higher and higher, and the application of spraying production line is also wider and wider to go deep into a plurality of fields of national economy. The spraying equipment on the market can be divided into the following according to the degree of automation: manual spraying equipment, semi-automatic spraying equipment and full-automatic spraying equipment. The automatic spraying equipment comprises the steps of automatic spraying, automatic feeding, automatic waste recovery and the like, and material powder needs to be transferred in the automatic feeding and automatic waste recovery processes. In the prior art, high-pressure gas generally drives powder to transfer through the jet effect of the high-pressure gas, but the efficiency is poor, and the energy consumption is high.
Disclosure of Invention
Accordingly, there is a need for a powder supply device, a powder device, and a coating system that are efficient and consume less energy.
The embodiment of the invention provides a powder supply device, which comprises a powder supply assembly, wherein the powder supply assembly comprises a powder supply pipe and a fluidizing pipe, the fluidizing pipe is positioned inside the powder supply pipe, the powder supply pipe and the fluidizing pipe form an air cavity, a powder supply cavity is arranged in the fluidizing pipe, micropores are formed in the fluidizing pipe, can be used for allowing gas to pass through and can isolate powder, the powder supply cavity and the air cavity are communicated through the micropores, a powder inlet hole, a powder outlet hole and a vent hole are formed in the powder supply pipe, the powder inlet hole and the powder outlet hole are communicated with the powder supply cavity, and the vent hole is communicated with the air cavity.
Preferably, the powder supply device further comprises a first valve and a second valve, the first valve is communicated with the powder inlet, and the second valve is communicated with the powder outlet.
Preferably, the powder supply assembly comprises a first powder supply assembly and a second powder supply assembly, and the first powder supply assembly and the second powder supply assembly are connected in parallel.
Preferably, in use, in one state, the first valve of the first powder supply assembly is opened, the second valve is closed, and the first valve of the second powder supply assembly is closed and the second valve is opened; in another state, the first valve of the second powder supply assembly is opened, the second valve is closed, and the first valve of the first powder supply assembly is closed, and the second valve is opened.
Preferably, the powder supply pipe comprises a metal pipe and a transparent plate, an observation port is arranged on the metal pipe, the transparent plate is fixedly connected with the metal pipe, and the transparent plate covers the observation port.
Preferably, the powder supply pipe comprises a pipe body and sealing parts positioned at two ends of the pipe body, and two ends of the fluidization pipe are connected with the sealing parts in a sealing manner.
The invention also provides powder equipment which comprises a powder container and any one of the powder supply devices, wherein the powder supply device is communicated with the powder supply equipment container.
Preferably, the powder supply device further comprises a vacuum generating device and a compressed gas device, wherein the vacuum generating device and the compressed gas device are connected with the vent hole; in a first state, the vacuum generating device is communicated with the vent hole; and in the second state, the compressed gas device is communicated with the vent hole.
Preferably, the vacuum generating device with be provided with filtering piece between the powder supply device, the compressed gas device with also be provided with filtering piece between the powder supply device, be provided with a plurality of viewing apertures on this powder supply device, it is a plurality of the viewing aperture all is covered by transparent material.
The invention also provides a spraying system which comprises spraying equipment and any one powder device, wherein the spraying equipment is communicated with the powder device.
The powder supply device provided by the invention can extract materials through negative pressure, and has the advantages of higher efficiency and less energy consumption.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a front view structural view of a powder supplying apparatus according to a preferred embodiment of the present invention;
FIG. 2 is a schematic structural view of a powder supplying apparatus according to a preferred embodiment of the present invention in one state;
FIG. 3 is a schematic structural view of a powder supplying apparatus according to another state of the preferred embodiment of the present invention;
FIG. 4 is a schematic view of the construction of a powder plant according to a preferred embodiment of the present invention.
In the figure: 10. a first powder supply assembly; 1. a powder supply pipe; 11. a powder supply chamber; 12. a vent hole; 13. a transparent plate; 2. a fluidizing pipe; 21. an air cavity; 3. a first valve; 4. a second valve; 20. a second powder supply assembly; 30. a vacuum generating device; 40. a compressed gas device; 50. a powder container; 60. and (4) spraying equipment.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 4, an embodiment of the present invention provides a powder supply device, which includes a powder supply assembly, the powder supply assembly includes a powder supply pipe 1 and a fluidizing pipe 2, the fluidizing pipe 2 is located inside the powder supply pipe 1, an air cavity 21 is formed between the powder supply pipe 1 and the fluidizing pipe 2, and a powder supply cavity 11 is arranged in the fluidizing pipe 2. The fluidization pipe 2 is provided with micropores which can be used for gas to pass through and can isolate powder, the powder supply cavity 11 is communicated with the air cavity 21 through the micropores, gas can flow between the powder supply cavity 11 and the air cavity 21, but the powder cannot pass through the micropores. The powder supply pipe 1 is provided with a powder inlet, a powder outlet and a vent hole 12, the powder inlet and the powder outlet are communicated with the powder supply cavity 11, and the vent hole 12 is communicated with the air cavity 21. When the powder feeding device is used, the height of the powder inlet is greater than that of the powder outlet, and the external vacuum generating device 30 vacuumizes the powder supply cavity 11 through the air cavity 21, so that external powder enters the powder supply cavity 11; then, the air cavity 21 is used for introducing air into the powder supply cavity 11, so that the powder in the powder supply cavity 11 is removed from the powder supply cavity 11, and the powder supply device can realize powder supply by repeating the steps.
In a preferred embodiment, the powder supply pipe 1 is a steel pipe, an aluminum pipe or a copper pipe, and preferably, the powder supply pipe 1 is an aluminum pipe. The fluidizing pipe 2 is made of a high molecular material, such as high molecular polyethylene.
In a preferred embodiment, the powder supply device further comprises a first valve 3 and a second valve 4, wherein the first valve 3 is communicated with the powder inlet, and the second valve 4 is communicated with the powder outlet. In the using process, firstly, vacuumizing is carried out, the second valve 4 is closed, and then the first valve 3 is opened, so that powder enters the powder supply cavity 11 through the air inlet; then the first valve 3 is closed, the second valve 4 is opened, and gas is filled into the powder supply cavity 11, so that the air pressure in the powder supply cavity 11 is recovered, even the high-pressure atmospheric pressure is realized, and the powder in the powder supply cavity 11 flows out of the discharge hole.
In the preferred embodiment, the powder supply assembly includes a first powder supply assembly 10 and a second powder supply assembly 20, the first powder supply assembly 10 and the second powder supply assembly 20 being connected in parallel. Because the powder supply of the single powder supply assembly is intermittent, if the connection powder supply is realized, a plurality of powder supply assemblies need to be connected in parallel, and the gas powder supply assembly supplies powder in the gap where some powder supply assemblies can not supply powder, thereby realizing the continuous powder supply.
Referring to fig. 2 and 3, in a preferred embodiment, in use, in a state where the first valve 3 of the first powder supply assembly 10 is opened and the second valve 4 is closed, and the first valve 3 of the second powder supply assembly 20 is closed and the second valve 4 is opened, the powder is fed from the feeding port of the first powder supply assembly 10 and the powder is discharged from the discharging port of the second powder supply assembly 20. In another state, the first valve 3 of the second powder supply assembly 20 is opened, the second valve 4 is closed, the first valve 3 of the first powder supply assembly 10 is closed, and the second valve 4 is opened, in this state, the powder is discharged from the feed port of the first powder supply assembly 10, and the powder is discharged from the discharge port of the second powder supply assembly 20. The first powder supply assembly 10 and the second powder supply assembly 20 cooperate with each other to achieve continuous feeding of the powder supply apparatus.
Referring to fig. 1, in a preferred embodiment, the powder supply tube 1 includes a metal tube provided with an observation port, and a transparent plate 13 fixedly connected to the metal tube, and the transparent plate 13 covers the observation port. In the use, if fluidization pipe 2 damages, then can lead to the powder to enter into air cavity 21, and then can reach other electronic components's position along the pipeline, and the precision of many electronic components and requirement to the environment are very high, and the powder can damage electronic components, causes the loss, still can influence the progress of production. The setting of viewing aperture can let the user observe the condition in the air cavity 21 more easily under the condition that does not influence the confession powder device and use, in case the problem of leaking the powder appears, in time shuts down, in time salvagees, controls the loss at the minimum.
In a preferred embodiment, the powder supply pipe 1 includes a pipe body and sealing portions at both ends of the pipe body, and both ends of the fluidizing pipe 2 are hermetically connected to the sealing portions. Specifically, the sealing portion is an end plate, and the end plate and the pipe body are sealed and fixed.
Referring to fig. 1, in a preferred embodiment, the powder supply apparatus further includes a control device, and the first valve 3 and the second valve 4 of the first powder supply assembly 10 and the second powder supply assembly 20 are electrically connected to the controller. The first valve 3 and the second valve 4 of the first powder supply assembly 10 and the second powder supply assembly 20 are opened and closed alternately.
Referring to fig. 4, the present invention further provides a powder device, which comprises a powder container 50 and any one of the powder supply devices, wherein the powder supply device is communicated with the powder supply device container. The powder supplying apparatus transfers the powder to another place in the powder container 50. The powder in the powder container 50 may be clean powder for spraying or may be waste, and the powder supply device may transfer the powder to another place.
In a preferred embodiment, the powder supply device further comprises a vacuum generating device 30 and a compressed gas device 40, and both the vacuum generating device 30 and the compressed gas device 40 are connected with the vent hole 12. In the first state, the vacuum generating device 30 is communicated with the vent hole 12 and is used for vacuumizing the powder cavity to enable powder to enter the powder cavity; in the second state, the compressed gas device 40 is communicated with the vent hole 12 and is used for introducing gas into the powder supply cavity 11 so as to lead the powder to be discharged from the powder cavity.
In the preferred embodiment, a filter is disposed between the vacuum generating device 30 and the powder supplying device, and a filter is also disposed between the compressed gas device 40 and the powder supplying device, so as to further protect the electronic device and prevent powder from entering the electronic device and affecting the operation of the electronic device. The powder supply device is provided with a plurality of observation ports which are all covered by transparent materials, so that whether powder exists in the air cavity 21 or not can be conveniently checked.
Referring to fig. 4, the present invention further provides a spraying system, which comprises a spraying device 60 and a powder device of any one of the above, wherein the spraying device 60 is communicated with the powder device. Specifically, the powder supply device supplies powder for spraying to the spraying apparatus 60, and of course, the powder container 50 may be a hopper for storing waste material, and the powder supply device is used to transfer the waste material in the powder container 50 to another place.
The powder supply device provided by the invention can extract materials through negative pressure, and has the advantages of higher efficiency and less energy consumption. .
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only express specific embodiments of the invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The powder supply device is characterized by comprising a powder supply assembly, wherein the powder supply assembly comprises a powder supply pipe and a fluidization pipe, the fluidization pipe is positioned in the powder supply pipe, an air cavity is formed between the powder supply pipe and the fluidization pipe, a powder supply cavity is arranged in the fluidization pipe, a powder inlet hole, a powder outlet hole and an air vent are formed in the powder supply pipe, the powder inlet hole and the powder outlet hole are communicated with the powder supply cavity, and the air vent is communicated with the air cavity.
2. The powder supply apparatus of claim 1, further comprising a first valve and a second valve, wherein the first valve is in communication with the powder inlet and the second valve is in communication with the powder outlet.
3. The powder supply apparatus of claim 2, wherein the powder supply assembly comprises a first powder supply assembly and a second powder supply assembly, the first powder supply assembly and the second powder supply assembly being connected in parallel.
4. A powder delivery apparatus according to claim 3, wherein in use, in one condition, the first valve of the first powder delivery assembly is open and the second valve is closed, and the first valve of the second powder delivery assembly is closed and the second valve is open; in another state, the first valve of the second powder supply assembly is opened, the second valve is closed, and the first valve of the first powder supply assembly is closed, and the second valve is opened.
5. The powder supply device according to claim 1, wherein the powder supply pipe comprises a metal pipe and a transparent plate, the metal pipe is provided with an observation port, the transparent plate is fixedly connected with the metal pipe, and the transparent plate covers the observation port.
6. The powder supplying apparatus as claimed in claim 1, wherein the powder supplying pipe includes a pipe body and sealing portions at both ends of the pipe body, and both ends of the fluidizing pipe are sealingly connected to the sealing portions.
7. Powder plant, characterized in that it comprises a powder container and a powder supply device according to any one of the preceding claims 1-6, said powder supply device being in communication with said powder supply plant container.
8. The powder lot device of claim 7, wherein the powder supply device further comprises a vacuum generating device and a compressed gas device, wherein the vacuum generating device and the compressed gas device are both connected with the vent; in a first state, the vacuum generating device is communicated with the vent hole; and in the second state, the compressed gas device is communicated with the vent hole.
9. The powder batch device according to claim 8, wherein a filter member is provided between the vacuum generating means and the powder supply means, and a filter member is provided between the compressed gas means and the powder supply means, and the powder supply means is provided with a plurality of viewing ports, and the plurality of viewing ports are covered with a transparent material.
10. A spray system comprising a spray device and a powder plant according to any one of claims 7 to 9, said spray device being in communication with said powder plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011428974.1A CN112691802A (en) | 2020-12-09 | 2020-12-09 | Powder supply device, powder device and spraying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011428974.1A CN112691802A (en) | 2020-12-09 | 2020-12-09 | Powder supply device, powder device and spraying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112691802A true CN112691802A (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011428974.1A Pending CN112691802A (en) | 2020-12-09 | 2020-12-09 | Powder supply device, powder device and spraying system |
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| CN (1) | CN112691802A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1330574A (en) * | 1998-10-14 | 2002-01-09 | 德尔西斯药品公司 | Device for dispersal of fluidized powder |
| US20080190359A1 (en) * | 2007-02-13 | 2008-08-14 | Itw Gema Ag | Powder feeding device for spray coating powder |
| WO2009027805A1 (en) * | 2007-08-31 | 2009-03-05 | Itw Gema Gmbh | Powder spray coating device and coating powder feeding device therefor |
| US20120045287A1 (en) * | 2002-10-14 | 2012-02-23 | Nordson Corporation | Process and equipment for the conveyance of powdered material |
| CN103687673A (en) * | 2011-02-14 | 2014-03-26 | 吉马瑞士有限公司 | Powder pump for conveying coating powder |
| CN203508243U (en) * | 2013-09-18 | 2014-04-02 | 中山市君禾机电设备有限公司 | Powder pump |
| CN107899768A (en) * | 2017-11-23 | 2018-04-13 | 中山市君禾机电设备有限公司 | One kind inhales vacuum powder pump control system |
-
2020
- 2020-12-09 CN CN202011428974.1A patent/CN112691802A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1330574A (en) * | 1998-10-14 | 2002-01-09 | 德尔西斯药品公司 | Device for dispersal of fluidized powder |
| US20120045287A1 (en) * | 2002-10-14 | 2012-02-23 | Nordson Corporation | Process and equipment for the conveyance of powdered material |
| US20080190359A1 (en) * | 2007-02-13 | 2008-08-14 | Itw Gema Ag | Powder feeding device for spray coating powder |
| WO2009027805A1 (en) * | 2007-08-31 | 2009-03-05 | Itw Gema Gmbh | Powder spray coating device and coating powder feeding device therefor |
| CN103687673A (en) * | 2011-02-14 | 2014-03-26 | 吉马瑞士有限公司 | Powder pump for conveying coating powder |
| CN203508243U (en) * | 2013-09-18 | 2014-04-02 | 中山市君禾机电设备有限公司 | Powder pump |
| CN107899768A (en) * | 2017-11-23 | 2018-04-13 | 中山市君禾机电设备有限公司 | One kind inhales vacuum powder pump control system |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210423 |
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| RJ01 | Rejection of invention patent application after publication |