CN214166625U - Negative pressure pump group for powder conveying - Google Patents
Negative pressure pump group for powder conveying Download PDFInfo
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- CN214166625U CN214166625U CN202022931329.3U CN202022931329U CN214166625U CN 214166625 U CN214166625 U CN 214166625U CN 202022931329 U CN202022931329 U CN 202022931329U CN 214166625 U CN214166625 U CN 214166625U
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Abstract
The utility model discloses a negative pressure pump group for powder conveying, which comprises a negative pressure power source, a cylinder body, a filter bag, a back flushing device and a material receiving box; a cylinder cavity, an air inlet communicated with the cylinder cavity and an air outlet communicated with the cylinder cavity are arranged in the cylinder body; the negative pressure power source is connected with the air outlet and is suitable for extracting air in the cylinder cavity to generate negative pressure in the cylinder cavity; the filter bag is arranged in the barrel cavity and divides the barrel cavity into a front filtering cavity communicated with the air inlet and a rear filtering cavity communicated with the air outlet, and the filter bag is suitable for filtering air flowing from the front filtering cavity to the rear filtering cavity; the back blowing device is at least partially arranged in the cavity after filtration and is suitable for blowing air into the cavity after filtration to blow off the powder adsorbed on the filter bag when the powder in the air is adsorbed on the filter bag. The utility model discloses can avoid damaging because of the gathering of powder, can reduce economic loss.
Description
Technical Field
The utility model relates to a negative pressure pump package for powder is carried.
Background
At present, material receiver uses very generally in the transportation process of powder, and material receiver need link to each other with the negative pressure source and absorb the powder through the negative pressure in order to realize carrying the purpose of powder, and it is more common at present to utilize negative pressure pump package to provide the negative pressure for material receiver, and current negative pressure pump package is after long-time the use, can gather a large amount of powders and then lead to negative pressure pump package to damage in the negative pressure pump package, has caused unnecessary economic loss.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a negative pressure pump package for powder is carried, it can avoid damaging because of the gathering of powder, can reduce economic loss.
In order to solve the technical problem, the technical scheme of the utility model is that: a negative pressure pump group for powder delivery comprises a negative pressure power source, a cylinder body, a filter bag, a back-blowing device and a material receiving box; wherein the content of the first and second substances,
a cylinder cavity, an air inlet communicated with the cylinder cavity and an air outlet communicated with the cylinder cavity are arranged in the cylinder body;
the negative pressure power source is connected with the air outlet and is suitable for extracting air in the cylinder cavity to generate negative pressure in the cylinder cavity;
the filter bag is arranged in the barrel cavity and divides the barrel cavity into a front filtering cavity communicated with the air inlet and a rear filtering cavity communicated with the air outlet, and the filter bag is suitable for filtering air flowing from the front filtering cavity to the rear filtering cavity;
the back blowing device is at least partially arranged in the cavity after filtration and is suitable for blowing air into the cavity after filtration to blow off the powder adsorbed on the filter bag when the powder in the air is adsorbed on the filter bag;
the lower end part of the cylinder body is provided with a discharge hole suitable for discharging blown powder;
the material receiving box is connected with the lower end part of the cylinder body and is suitable for receiving powder discharged from the discharge hole.
Further provides a concrete scheme of the negative pressure power source, and the negative pressure power source is a turbine fan.
Further, in order to prevent negative pressure leakage in the cylinder cavity, the material receiving box is connected to the lower end part of the cylinder body in a sealing mode so as to prevent external air from flowing into the cylinder cavity from the discharge hole.
Furthermore, the material receiving box is provided with an observation port and at least one handle.
Further in order to facilitate discharging, the lower end part of the cylinder body is a conical part with a large upper part and a small lower part, and the discharge hole is formed in the central part of the conical part.
Further, in order to improve the filtering effect, the air inlet direction of the air inlet is tangential to the outer peripheral part of the cylinder.
Further provides a specific structure of the back blowing device, wherein the back blowing device comprises an air storage tank, an air valve, an air delivery pipe and an annular pipe; wherein the content of the first and second substances,
the gas storage tank is suitable for being connected with and storing a high-pressure gas source;
the inlet of the air valve is connected with the air storage tank, the outlet of the air valve is connected with the air pipe, and the air valve is suitable for controlling the communication and the blockage of the air storage tank and the air pipe;
the annular pipe is arranged in the filtered cavity, and a plurality of air holes are formed in the peripheral part of the annular pipe;
one end of the air pipe extends into the cavity after filtration and is connected with the annular pipe, and the air pipe is suitable for guiding a high-pressure air source in the air storage tank into the annular pipe when the air valve is opened.
Further, the negative pressure power source is connected with the air outlet of the cylinder through an on-off valve, and the on-off valve comprises a valve body, a cylinder and a piston component; wherein the content of the first and second substances,
the valve body is connected to the cylinder body;
the valve body is internally provided with a valve cavity communicated with the air outlet of the cylinder body and a valve hole communicated with the valve cavity, and the valve hole is suitable for being connected with the negative pressure power source;
the cylinder is connected to the valve body, the piston component is connected to a piston rod of the cylinder, and the cylinder is suitable for acting to drive the piston component to move into the valve hole so as to block the valve hole and act to drive the piston component to move into the valve cavity so as to enable the valve hole and the valve cavity to be communicated.
Further, the negative pressure pump group for powder conveying also comprises a rack, wherein the rack comprises a bottom plate, a mounting frame, a stand column, a left cross beam and a right cross beam; wherein the content of the first and second substances,
the mounting rack is connected to the bottom plate and is suitable for mounting a console;
the lower end parts of the upright posts are connected to the bottom plate;
the left cross beam and the right cross beam are connected to the upper end parts of the stand columns;
the cylinder is connected to the left cross beam and the right cross beam.
After the technical scheme is adopted, the air inlet of the barrel is connected with an external material receiver, the negative pressure power source is used for pumping air from the air outlet of the barrel, so that air flows to the cavity before filtration from the air inlet, then flows to the cavity after filtration, and then flows out from the air outlet, and negative pressure is provided for the external material receiver. In the process that air flows from the cavity before filtration to the cavity after filtration, powder in the air is adsorbed by the filter bag, so that the powder is prevented from being sucked into the negative pressure power source, the negative pressure power source is prevented from being damaged due to the accumulation of the powder, and unnecessary economic loss is reduced.
When the powder on the filter bag is accumulated to a certain degree, the back blowing device blows air into the cavity after filtering to blow off the powder adsorbed on the filter bag, and the blown off powder falls into the material receiving box from the discharge port. The air inlet direction of the air inlet is tangent to the periphery of the cylinder, so that air enters the front filtering cavity and then flows spirally, powder mixed in the air is in uniform contact with the surface of the filter bag, and the filtering effect and the utilization rate of the filter bag are improved.
Drawings
FIG. 1 is a front view of the negative pressure pump set for powder transportation of the present invention;
FIG. 2 is a schematic structural view of a negative pressure pump set for powder transportation according to the present invention;
FIG. 3 is a cross-sectional view of the negative pressure pump set for powder transportation according to the present invention;
fig. 4 is a detail view of a portion of fig. 1.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in figures 1-4, a negative pressure pump set for powder conveying comprises a negative pressure power source 1, a cylinder 2, a filter bag 3, a back-blowing device 100 and a material receiving box 4; wherein the content of the first and second substances,
a cylinder cavity, an air inlet 5 communicated with the cylinder cavity and an air outlet 6 communicated with the cylinder cavity are arranged in the cylinder body 2;
the negative pressure power source 1 is connected with the air outlet 6 and is suitable for extracting air in the cylinder cavity to generate negative pressure in the cylinder cavity;
the filter bag 3 is installed in the barrel cavity and divides the barrel cavity into a front filtering cavity 7 communicated with the air inlet 5 and a rear filtering cavity 8 communicated with the air outlet 6, and the filter bag 3 is suitable for filtering air flowing from the front filtering cavity 7 to the rear filtering cavity 8;
the back blowing device 100 is at least partially arranged in the cavity 8 after filtration and is suitable for blowing air into the cavity 8 after filtration to blow off the powder adsorbed on the filter bag 3 when the powder in the air is adsorbed on the filter bag 3;
the lower end part of the cylinder body 2 is provided with a discharge hole 9 suitable for discharging blown powder;
the material receiving box 4 is connected to the lower end part of the cylinder body 2 and is suitable for receiving powder discharged from the discharge hole 9; specifically, the air inlet 5 of the barrel 2 is connected with an external material receiver, the negative pressure power source 1 extracts air from the air outlet 6 of the barrel 2, so that air flows from the air inlet 5 to the filtering front cavity 7, then flows to the filtering rear cavity 8, and then flows out from the air outlet 6, and negative pressure is provided for the external material receiver. In the process that air flows from the pre-filtering cavity 7 to the post-filtering cavity 8, powder in the air is adsorbed by the filter bag 3, so that the powder is prevented from being sucked into the negative pressure power source 1, the negative pressure power source 1 is prevented from being damaged due to the accumulation of the powder, and unnecessary economic loss is reduced.
When the powder on the filter bag 3 is accumulated to a certain degree, the back blowing device 100 blows air into the filtered cavity 8 to blow off the powder adsorbed on the filter bag 3, and the blown off powder falls into the material receiving box 4 from the material outlet 9. In this embodiment, the cavity 8 is located inside the filter bag 3 after filtration, and the filter bag 3 is a prior art known to those skilled in the art, and is not described in detail in this embodiment.
In the present embodiment, the negative pressure power source 1 may be, but is not limited to, a turbo fan, and the material receiving box 4 is hermetically connected to the lower end of the cylinder 2 so as to prevent external air from flowing into the cylinder cavity from the discharge hole 9.
As shown in FIGS. 2 and 3, the receiving box 4 may be provided with a viewing port 10 and at least one handle 11, wherein the viewing port 10 is used for viewing the amount of powder received in the receiving box 4.
As shown in fig. 1 and 3, the lower end of the cylinder 2 may be a tapered portion 12 having a large top and a small bottom, and the discharge port 9 may be provided at the center of the tapered portion 12; in this embodiment, the tapered portion 12 is located in the cartridge 4 when the cartridge 4 is attached to the barrel 2.
As shown in fig. 2 and 3, the air inlet direction of the air inlet 5 is tangential to the outer peripheral portion of the cylinder 2; specifically, in the prior art, after the air enters the pre-filtering cavity 7 from the air inlet 5, the powder in the air is intensively adsorbed on a certain portion of the filter bag 3, which results in that the filter bag 3 is not fully used and the filtering effect is poor. In this embodiment, the air inlet direction of the air inlet 5 is set to be tangential to the outer peripheral part of the cylinder 2, so that air enters the pre-filter cavity 7 and then flows spirally, powder mixed in the air is in uniform contact with the surface of the filter bag 3, and the filtering effect and the utilization rate of the filter bag 3 are improved.
As shown in fig. 1 to 4, the blowback device 100 includes, for example but not limited to, a gas storage tank 13, a gas valve 14, a gas pipe 15, and an annular pipe 16; wherein the content of the first and second substances,
the gas storage tank 13 is suitable for being connected with and storing a high-pressure gas source;
the inlet of the air valve 14 is connected with the air storage tank 13, the outlet of the air valve 14 is connected with the air pipe 15, and the air valve 14 is suitable for controlling the communication and the blockage of the air storage tank 13 and the air pipe 15;
the annular pipe 16 is arranged in the filtered cavity 8, and a plurality of air holes 17 are formed in the outer peripheral part of the annular pipe 16;
one end of the air pipe 15 extends into the cavity 8 after filtration and is connected with the annular pipe 16, and the air pipe 15 is suitable for guiding a high-pressure air source in the air storage tank 13 into the annular pipe 16 when the air valve 14 is opened, so that the high-pressure air source blows out from the air holes 17 to blow off powder on the filter bag 3; in this embodiment, the air holes 17 are uniformly distributed on the outer periphery of the annular tube 16, and the air valve 14 may be an electromagnetic valve.
As shown in fig. 1 and 4, the negative pressure power source 1 is connected to the air outlet 6 of the cylinder 2 through an on-off valve, such as but not limited to a structure comprising a valve body 18, a cylinder 19 and a piston member 20; wherein the content of the first and second substances,
the valve body 18 is connected to the cylinder 2;
the valve body 18 is internally provided with a valve cavity 21 communicated with the air outlet 6 of the cylinder body 2 and a valve hole 22 communicated with the valve cavity 21, and the valve hole 22 is suitable for being connected with the negative pressure power source 1;
the cylinder 19 is connected to the valve body 18, the piston member 20 is connected to a piston rod of the cylinder 19, and the cylinder 19 is adapted to act to drive the piston member 20 to move into the valve hole 22 to block the valve hole 22 and to act to drive the piston member 20 to move into the valve cavity 21 to communicate the valve hole 22 with the valve cavity 21; specifically, at least one sealing ring matched with the valve hole 22 is embedded on the outer peripheral wall of the piston part 20, and a sealing ring is also arranged between the valve body 18 and the cylinder body 2 so that the valve body 18 is connected to the cylinder body 2 in a sealing manner.
As shown in fig. 1 and 2, the negative pressure pump group for powder conveying further comprises a frame, and the frame may comprise a bottom plate 23, a mounting frame 24, a vertical column 25, a left cross beam 26 and a right cross beam 27; wherein the content of the first and second substances,
said mounting frame 24 is connected to said base plate 23 and is adapted to mount a console;
the lower end of the upright post 25 is connected to the bottom plate 23;
the left cross beam 26 and the right cross beam 27 are connected to the upper end part of the upright post 25;
the barrel 2 is connected to the left cross beam 26 and the right cross beam 27, the negative pressure power source 1 is installed on the bottom plate 23, the material receiving box 4 is connected to the barrel 2, and a certain distance is reserved between the bottom of the material receiving box 4 and the ground.
The working principle of the utility model is as follows:
the air inlet 5 of the barrel body 2 is connected with an external material receiver, the negative pressure power source 1 extracts air from the air outlet 6 of the barrel body 2, so that air flows from the air inlet 5 to the filtering front cavity 7, then flows to the filtering rear cavity 8, and then flows out from the air outlet 6, and negative pressure is provided for the external material receiver. In the process that air flows from the pre-filtering cavity 7 to the post-filtering cavity 8, powder in the air is adsorbed by the filter bag 3, so that the powder is prevented from being sucked into the negative pressure power source 1, the negative pressure power source 1 is prevented from being damaged due to the accumulation of the powder, and unnecessary economic loss is reduced.
When the powder on the filter bag 3 is accumulated to a certain degree, the back blowing device 100 blows air into the filtered cavity 8 to blow off the powder adsorbed on the filter bag 3, and the blown off powder falls into the material receiving box 4 from the material outlet 9. The air inlet direction of the air inlet 5 is tangent to the peripheral part of the cylinder 2, so that air flows spirally after entering the front filtering cavity 7, powder mixed in the air is in uniform contact with the surface of the filter bag 3, and the filtering effect and the utilization rate of the filter bag 3 are improved.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements 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 present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (9)
1. A negative pressure pump group for powder conveying is characterized by comprising a negative pressure power source (1), a cylinder body (2), a filter bag (3), a back-blowing device (100) and a material receiving box (4); wherein the content of the first and second substances,
a cylinder cavity, an air inlet (5) communicated with the cylinder cavity and an air outlet (6) communicated with the cylinder cavity are arranged in the cylinder body (2);
the negative pressure power source (1) is connected with the air outlet (6) and is suitable for extracting air in the cylinder cavity to generate negative pressure in the cylinder cavity;
the filter bag (3) is mounted in the barrel cavity and divides the barrel cavity into a pre-filter cavity (7) communicated with the air inlet (5) and a post-filter cavity (8) communicated with the air outlet (6), and the filter bag (3) is suitable for filtering air flowing from the pre-filter cavity (7) to the post-filter cavity (8);
the back blowing device (100) is at least partially arranged in the cavity (8) after filtration and is suitable for blowing air into the cavity (8) after filtration to blow off the powder adsorbed on the filter bag (3) when the powder in the air is adsorbed on the filter bag (3);
the lower end part of the cylinder body (2) is provided with a discharge hole (9) suitable for discharging blown powder;
the material receiving box (4) is connected to the lower end part of the cylinder body (2) and is suitable for receiving powder discharged from the discharge hole (9).
2. Negative pressure pump group for powder delivery according to claim 1, characterized in that the negative pressure power source (1) is a turbo fan.
3. Negative pressure pump group for powder delivery according to claim 1, characterized in that the receiving box (4) is sealingly connected to the lower end of the cartridge (2) in order to prevent external air from flowing from the outlet (9) into the cartridge chamber.
4. Negative pressure pump group for powder delivery according to claim 1, characterized in that the receiving box (4) is provided with a viewing port (10) and at least one handle (11).
5. Negative pressure pump group for powder delivery according to claim 1, characterized in that the lower end of the cylinder (2) is a tapered part (12) with a large top and a small bottom, and the discharge port (9) is provided in the center of the tapered part (12).
6. Negative pressure pump group for powder delivery according to claim 1, characterised in that the air inlet (5) has an air inlet direction tangential to the outer circumference of the cylinder (2).
7. Negative pressure pump group for powder delivery according to claim 1, characterized in that the blowback device (100) comprises an air tank (13), an air valve (14), an air pipe (15) and an annular pipe (16); wherein the content of the first and second substances,
the air storage tank (13) is suitable for being connected with and storing a high-pressure air source;
the inlet of the air valve (14) is connected with the air storage tank (13), the outlet of the air valve (14) is connected with the air pipe (15), and the air valve (14) is suitable for controlling the communication and the blockage of the air storage tank (13) and the air pipe (15);
the annular pipe (16) is arranged in the filtered cavity (8), and a plurality of air holes (17) are formed in the peripheral part of the annular pipe (16);
one end part of the air conveying pipe (15) extends into the cavity (8) after filtration and is connected with the annular pipe (16), and the air conveying pipe (15) is suitable for guiding a high-pressure air source in the air storage tank (13) into the annular pipe (16) when the air valve (14) is opened.
8. Negative pressure pump group for powder delivery according to claim 1, characterized in that the negative pressure power source (1) is connected to the air outlet (6) of the cylinder (2) through an on-off valve comprising a valve body (18), a cylinder (19) and a piston member (20); wherein the content of the first and second substances,
the valve body (18) is connected to the cylinder body (2);
the valve body (18) is internally provided with a valve cavity (21) communicated with the air outlet (6) of the cylinder body (2) and a valve hole (22) communicated with the valve cavity (21), and the valve hole (22) is suitable for being connected with the negative pressure power source (1);
the cylinder (19) is connected to the valve body (18), the piston member (20) is connected to a piston rod of the cylinder (19), and the cylinder (19) is adapted to act to drive the piston member (20) to move into the valve bore (22) to block the valve bore (22), and to act to drive the piston member (20) to move into the valve chamber (21) to communicate the valve bore (22) with the valve chamber (21).
9. Negative pressure pump group for powder delivery according to claim 1, characterized in that it further comprises a frame comprising a bottom plate (23), a mounting frame (24), a vertical column (25), a left cross beam (26) and a right cross beam (27); wherein the content of the first and second substances,
the mounting frame (24) is connected to the bottom plate (23) and is suitable for mounting a console;
the lower end part of the upright post (25) is connected to the bottom plate (23);
the left cross beam (26) and the right cross beam (27) are connected to the upper end part of the upright post (25);
the cylinder (2) is connected to the left cross beam (26) and the right cross beam (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022931329.3U CN214166625U (en) | 2020-12-07 | 2020-12-07 | Negative pressure pump group for powder conveying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022931329.3U CN214166625U (en) | 2020-12-07 | 2020-12-07 | Negative pressure pump group for powder conveying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214166625U true CN214166625U (en) | 2021-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022931329.3U Active CN214166625U (en) | 2020-12-07 | 2020-12-07 | Negative pressure pump group for powder conveying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214166625U (en) |
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2020
- 2020-12-07 CN CN202022931329.3U patent/CN214166625U/en active Active
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