CN210084442U - Quantitative gas-solid two-phase flow conveying device and quantitative conveying system - Google Patents
Quantitative gas-solid two-phase flow conveying device and quantitative conveying system Download PDFInfo
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- CN210084442U CN210084442U CN201920626664.7U CN201920626664U CN210084442U CN 210084442 U CN210084442 U CN 210084442U CN 201920626664 U CN201920626664 U CN 201920626664U CN 210084442 U CN210084442 U CN 210084442U
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Abstract
The utility model discloses a ration gas-solid two-phase flow conveyor, include: a material container, a quantitative plunger piston, a material pushing gas inlet and a material outlet, wherein the quantitative plunger piston is internally provided with a material cavity and can reciprocate in the material container, when the quantitative plunger piston moves backwards, the material containing cavity is opened, the material in the material container can be filled into the material containing cavity, when the quantitative plunger piston extends out, the material cavity can be sealed, the material pushing gas input port and the material output port can be communicated to the sealed material cavity, the material pushing gas input port can inject compressed gas into the sealed material cavity, so that the materials in the material containing cavity can be sent out from the material outlet, the utility model also provides a quantitative conveying system, which comprises one or more groups of quantitative gas-solid two-phase flow conveying devices, one or more groups of quantitative gas-solid two-phase flow conveying devices can be configured according to specific output quantity requirements, so that different use requirements are met.
Description
Technical Field
The utility model relates to a powder spraying equipment field, in particular to quantitative gas-solid two-phase flow conveyor and quantitative conveying system.
Background
In the field of powder spraying, powder is generally conveyed by a venturi device, that is, a venturi suction pipe is inserted into a powder container, and a venturi pump is used to establish negative pressure to extract and convey the powder, but the conveying amount can only be realized by adjusting the air pressure or air flow of a venturi nozzle, and the like, and relatively accurate quantitative conveying cannot be realized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a quantitative gas-solid two-phase flow conveyor, can realize the quantitative transport of powder.
The utility model provides a technical scheme that its technical problem adopted is:
a quantitative gas-solid two-phase flow delivery device comprising: the quantitative plunger piston can reciprocate in the material container, when the quantitative plunger piston moves backwards, the material containing cavity is opened, materials in the material container can be filled into the material containing cavity, when the quantitative plunger piston extends out, the material containing cavity can be sealed, the material pushing gas inlet and the material outlet can be communicated to the sealed material containing cavity, and the material pushing gas inlet can inject compressed gas into the sealed material containing cavity so that the materials in the material containing cavity can be conveyed out from the material outlet.
One of the above technical solutions has at least one of the following advantages or beneficial effects: the quantitative conveying function can be realized by controlling the material quantity output each time through the material containing cavity.
Preferably, a cavity with a one-way opening is formed in the quantitative plunger, and a plunger inner core is fixedly arranged in the cavity to form a material containing cavity with a fixed volume, so that the quantitative spraying requirement is met.
Preferably, a cavity with a one-way opening is formed in the quantitative plunger, a plunger inner core is movably arranged in the cavity, and the volume of the material containing cavity can be adjusted by moving the plunger inner core, so that the material output quantity of each time can be adjusted as required, and different use requirements can be met.
Preferably, one of the material pushing gas inlet and the material outlet is arranged in the material containing cavity, the other is arranged at the position, opposite to the quantitative plunger, of the inner wall of the material container, and when the quantitative plunger extends out, the opening of the material containing cavity can abut against the inner wall of the material container to seal the material containing cavity, so that the material in the material containing cavity can be conveniently conveyed through high-pressure gas.
Preferably, the material promotes the gas input port and disposes and promotes the gas stop valve, the material delivery outlet disposes material output stop valve, when the material holds the chamber and seals, promotes gas stop valve and material output stop valve and opens to send out the material, when the material holds the chamber and opens, promotes gas stop valve and material output stop valve and closes, with airtight material container, prevents that the material from revealing.
Preferably, a plunger sealing ring corresponding to the opening of the material containing cavity is arranged on the inner wall of the material container opposite to the quantitative plunger, so that the sealing performance of the material containing cavity is improved, and the material conveying precision is guaranteed.
Preferably, the material container is a fluidized gas-solid two-phase flow container or a vibrating gas-solid two-phase flow container or a stirring gas-solid two-phase flow container so as to improve the looseness and the fluidity of the material.
Preferably, the installation included angle between the quantitative plunger and the bottom surface of the material container is 0 degree or 90 degrees, namely the quantitative plunger is horizontally arranged or vertically arranged, and the mechanism is more reasonable in arrangement.
Preferably, a gas-solid two-phase flow fluidizing device is arranged in the material accommodating cavity so as to improve the looseness and the flowability of the material.
The utility model also provides a quantitative conveying system, including a set of or multiunit as above quantitative gas-solid two-phase flow conveyor, can dispose the quantitative gas-solid two-phase flow conveyor of a set of or multiunit according to specific output quantity requirement, satisfy different operation requirement.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
FIG. 1 is a schematic cross-sectional view of a material containing chamber according to an embodiment of the present invention when closed;
fig. 2 is a schematic cross-sectional view of a material containing chamber according to an embodiment of the present invention when it is open.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 and 2, fig. 1 and 2 are schematic structural diagrams of an embodiment of the present invention, and as shown in the drawings, a quantitative gas-solid two-phase flow conveying device includes: a material container 1, a quantitative plunger 2, a material pushing gas inlet 31, a material outlet 4 and a material conveying pipeline 43, the quantitative plunger 2 is internally provided with a material containing cavity 21 with an opening, the quantitative plunger 2 can reciprocate in the material container 1, when the metering plunger 2 moves backwards, the material cavity 21 is opened, the material in the material container 1 can be filled into the material cavity 21, when the metering plunger 2 extends out, the material cavity 21 can be closed, the material pushing gas inlet 31 and the material outlet 4 can be communicated to the closed material cavity 21, the material pushing gas inlet 31 can inject compressed gas into the closed material cavity 21, so that the material in the material cavity 21 can be delivered out from the material outlet 4 through the material delivery pipeline 43, the quantitative conveying function can be realized by controlling the material quantity output each time through the material containing cavity 21.
Preferably, as shown in the figure, in this embodiment, the material pushes the gas input port 31 and is configured with the push gas stop valve 32, the material output port 4 is configured with the material output stop valve 41, when the material accommodating cavity 21 is closed, the push gas stop valve 32 and the material output stop valve 41 are opened, so as to send compressed gas through the material push gas input port 31, and send out the material through the material output port 4, when the material accommodating cavity 21 is opened, the push gas stop valve 32 and the material output stop valve 41 are closed, so as to seal the material container 1 and prevent the material leakage.
In specific implementation, the material output port 4 is communicated to the powder outlet pipe through a material conveying pipeline 43, and the material pushing gas input port 31 is connected to a gas source such as a compressor, a gas storage tank and the like through a gas pipe to send compressed gas.
Preferably, as shown in the drawings, in this embodiment, a cavity with a one-way opening is disposed in the dosing plunger 2, a plunger inner core 3 is movably disposed in the cavity, and the volume of the material containing cavity 21 can be adjusted by moving the plunger inner core 3, so as to adjust the material output quantity each time as required, thereby meeting different use requirements.
In a specific implementation process, the plunger inner core 3 can be arranged in the cavity in a threaded fit manner, and the volume of the material containing cavity 21 can be adjusted by manually or electrically rotating the plunger inner core 3, of course, the plunger inner core 3 can be slidably arranged in the cavity, and the volume of the material containing cavity 21 can also be adjusted by adjusting the position of the plunger inner core 3 through a positioning structure such as a plug pin, and the detailed description is omitted here.
In addition, in the specific implementation process, the plunger inner core 3 can be fixedly arranged in the cavity to form a material accommodating cavity 21 with a fixed volume so as to keep a relatively constant output, so that the plunger inner core is suitable for batch quantitative spraying operation without adjusting the spraying amount.
Preferably, as shown in the figure, the material pushing gas inlet 31 is disposed in the material accommodating cavity 21, the material outlet 4 is disposed at a position where the inner wall of the material container 1 is opposite to the dosing plunger 2, and when the dosing plunger 2 extends out, an opening of the material accommodating cavity 21 can abut against the inner wall of the material container 1 to close the material accommodating cavity 21, so that the material in the material accommodating cavity 21 can be delivered by the high-pressure gas.
Of course, in the specific implementation process, the positions of the material pushing gas inlet 31 and the material outlet 4 may be interchanged, and the positions of the pushing gas stop valve 32 and the material outlet stop valve 41 may also be interchanged correspondingly, that is, the direction of the inlet and outlet gas is exchanged in fig. 1 and fig. 2, and the quantitative feeding function may also be implemented, and in addition, the material pushing gas inlet 31 and the material outlet 4 may also be disposed on the same side, as being disposed in the material accommodating chamber 21 or the inner wall of the material container 1, which is not described in detail herein.
Preferably, as shown in the figure, a plunger sealing ring 42 corresponding to an opening of the material accommodating cavity 21 is arranged on the inner wall of the material container 1 opposite to the dosing plunger 2, so as to improve the sealing performance when the material accommodating cavity 21 is closed, and ensure the feeding precision.
Preferably, in this embodiment, the plunger sealing ring 42 is an inflatable sealing ring to further improve the sealing effect.
Preferably, the material container 1 is a fluidized gas-solid two-phase flow container or a vibrating gas-solid two-phase flow container or a stirring gas-solid two-phase flow container, so as to improve the looseness and the fluidity of the material in the material container 1.
In the embodiment of the present invention, the gas-solid two-phase flow fluidization process or the gas-solid two-phase flow fluidization device is a common means or device in the field and in the powder container, which is not described in detail herein.
Preferably, in this embodiment, the material container 1 is provided with a fluidization plate 92 at the bottom thereof, which cooperates with the fluidization gas to achieve fluidization of the material.
Preferably, as shown in the figure, the installation included angle range of the quantitative plunger 2 and the bottom surface of the material container is 0-360 degrees, that is, the installation angle of the quantitative plunger 2 is not limited, and the installation angle can be adjusted according to the actual use requirement, so as to be suitable for different use occasions.
Preferably, the installation included angle between the quantitative plunger 2 and the bottom surface of the material container is 0 degree or 90 degrees, namely the quantitative plunger 2 is horizontally arranged or vertically arranged, and the mechanism is more reasonable in arrangement at the moment.
Preferably, a gas-solid two-phase flow fluidizing device is arranged in the material accommodating cavity 21 to improve the looseness and the fluidity of the material and ensure the smoothness of the transportation of the material.
Preferably, in this embodiment, an inner cavity fluidization sleeve 91 is disposed in the material cavity 21, and is used in cooperation with a fluidization gas to fluidize the material.
Preferably, in this embodiment, the output of the material per unit time can be controlled by controlling the frequency of the reciprocating movement of the dosing plunger 2.
Preferably, in the present embodiment, the quantitative plunger 2 is driven by the cylinder 90 to perform a reciprocating motion, but in a specific implementation, the quantitative plunger 2 may be driven by other linear driving mechanisms, such as a linear motor, a spur rack driving mechanism, and the like, and will not be described in detail herein.
It is readily understood by those skilled in the art that the above-described preferred modes can be freely combined and superimposed without conflict.
The utility model discloses a specific embodiment still discloses a quantitative conveying system, including the quantitative gas-solid two-phase flow conveyor that a set of or multiunit as above the disclosed of arbitrary embodiment, can dispose the quantitative gas-solid two-phase flow conveyor of a set of or multiunit according to specific output quantity requirement, satisfy different operation requirements.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. A quantitative gas-solid two-phase flow conveying device is characterized by comprising: the quantitative plunger piston can reciprocate in the material container, when the quantitative plunger piston moves backwards, the material containing cavity is opened, materials in the material container can be filled into the material containing cavity, when the quantitative plunger piston extends out, the material containing cavity can be sealed, the material pushing gas inlet and the material outlet can be communicated to the sealed material containing cavity, and the material pushing gas inlet can inject compressed gas into the sealed material containing cavity so that the materials in the material containing cavity can be conveyed out from the material outlet.
2. A quantitative gas-solid two-phase flow transfer device according to claim 1,
a cavity with a one-way opening is formed in the quantitative plunger, and a plunger inner core is fixedly arranged in the cavity to form a material containing cavity with a fixed volume.
3. A quantitative gas-solid two-phase flow transfer device according to claim 1,
the quantitative plunger is internally provided with a cavity with a one-way opening, a plunger inner core is movably arranged in the cavity, and the volume of the material containing cavity can be adjusted by moving the position of the plunger inner core.
4. A quantitative gas-solid two-phase flow delivery device according to claim 2 or 3,
one of the material pushing gas inlet and the material outlet is arranged in the material containing cavity, the other one is arranged at the position, opposite to the quantitative plunger, of the inner wall of the material container, and when the quantitative plunger extends out, the opening of the material containing cavity can abut against the inner wall of the material container so as to seal the material containing cavity.
5. A quantitative gas-solid two-phase flow conveying device according to claim 4,
the material pushes away the gas input port and disposes and pushes away the gas stop valve, the material delivery outlet disposes material output stop valve, when the material holds the chamber and seals, pushes away gas stop valve and material output stop valve and opens to see off the material, when the material holds the chamber and opens, pushes away gas stop valve and material output stop valve and closes, with airtight material container.
6. A quantitative gas-solid two-phase flow conveying device according to claim 4,
and a plunger sealing ring corresponding to the opening of the material containing cavity is arranged on the inner wall of the material container opposite to the quantitative plunger.
7. A quantitative gas-solid two-phase flow transfer device according to claim 1,
the material container is a fluidized gas-solid two-phase flow container or a vibrating gas-solid two-phase flow container or a stirring gas-solid two-phase flow container.
8. A quantitative gas-solid two-phase flow transfer device according to claim 1,
the installation included angle between the quantitative plunger and the bottom surface of the material container is 0 degree or 90 degrees.
9. A quantitative gas-solid two-phase flow transfer device according to claim 1,
and a gas-solid two-phase flow fluidizing device is arranged in the material accommodating cavity to improve the looseness and the flowability of the material.
10. A quantitative transfer system comprising one or more sets of quantitative gas-solid two-phase flow transfer devices according to any one of claims 1 to 9.
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CN110040519A (en) * | 2019-04-30 | 2019-07-23 | 裕东(中山)机械工程有限公司 | A kind of quantitatively Dual-Phrase Distribution of Gas olid conveying device and dose delivery system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110040519A (en) * | 2019-04-30 | 2019-07-23 | 裕东(中山)机械工程有限公司 | A kind of quantitatively Dual-Phrase Distribution of Gas olid conveying device and dose delivery system |
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