CN217376483U - Twin continuous vacuum charging machine - Google Patents

Twin continuous vacuum charging machine Download PDF

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Publication number
CN217376483U
CN217376483U CN202221337691.0U CN202221337691U CN217376483U CN 217376483 U CN217376483 U CN 217376483U CN 202221337691 U CN202221337691 U CN 202221337691U CN 217376483 U CN217376483 U CN 217376483U
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China
Prior art keywords
hopper
vacuum
valve
pipeline
filter
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CN202221337691.0U
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Chinese (zh)
Inventor
钱申敏
钱瑞伟
刘敬
白广金
张军军
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Tianjin Feiyun Powder Equipment Co ltd
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Tianjin Feiyun Powder Equipment Co ltd
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Abstract

The utility model provides a twin continuous vacuum charging machine, which comprises a twin vacuum hopper, a rotary valve, a reversing valve, a first back-blowing component, a second back-blowing component, a twin vacuum hopper, a first hopper and a second hopper, wherein the bottom pipelines of the first hopper and the second hopper are connected to the rotary valve; the top of hopper and No. two hoppers is equipped with the switching-over valve, and the import of switching-over valve communicates to the vacuum pump, and the export of switching-over valve communicates to the top of hopper No. one, and the export of No. two of switching-over valve communicates to the top of hopper No. two, and defeated material pipeline communicates to in the twins vacuum hopper, and defeated material pipeline one end is equipped with gravity flap gate. The utility model discloses a fall into two groups to the filter, divide into the blowback in groups, cut off being connected of this group's filter and vacuum source during the blowback of every group, drop to zero in the twinkling of an eye the filter speed of this group's filter, the dust on filter surface is light to be blown off under the blowback compressed air effect.

Description

Twin continuous vacuum charging machine
Technical Field
The utility model belongs to the feeder field especially relates to twins continuous type vacuum feeder.
Background
The rotary valve type vacuum feeder is one kind of continuous vacuum conveying equipment. A plurality of rows of filters are arranged in the vacuum hopper, and in the conveying process, compressed air in the air bag sweeps each row of filters in turn to ensure that the filters are not blocked. However, the problem that dust is difficult to blow off from the surface of the filter due to high filtering air speed during blowback blowing exists, the filter is blocked after the operation for a certain time, and the conveying capacity is reduced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a twins continuous type vacuum charging machine, through fall into two groups to the filter, divide into the blowback in groups, cut off the connection of this group of filter and vacuum source during the blowback of every group, drop to zero the filtering velocity of this group of filter in the twinkling of an eye, the dust on filter surface easily blows off under the blowback compressed air effect.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the twin continuous vacuum charging machine comprises a twin vacuum hopper, a rotary valve, a reversing valve, a first back flushing component, a second back flushing component, a material conveying pipeline, a first filter and a second filter, wherein the twin vacuum hopper comprises a first hopper and a second hopper, the bottoms of the first hopper and the second hopper are communicated with each other and form a single-pass pipeline after being communicated to be connected to the rotary valve, the top of the first hopper is provided with the first filter, the top of the second hopper is provided with the second filter, and the first filter and the second filter are both communicated to a vacuum pump; a blowback subassembly communicates to hopper through the pipeline No. one, No. two blowback subassemblies communicate to hopper No. two through the pipeline, the top of hopper and No. two hoppers is equipped with the switching-over valve, the import of switching-over valve communicates to the vacuum pump, an export of switching-over valve communicates to the top of hopper No. one, No. two exports of switching-over valve communicate to the top of hopper No. two, defeated material pipeline communicates to in the twins child vacuum hopper, and defeated material pipeline communicates to the one end of twins child vacuum hopper and is equipped with gravity flap gate, the vacuum pump, the rotary valve, blowback subassembly and No. two blowback subassemblies all are connected to the controller.
Furthermore, the first blowback component comprises a first air bag and a first blowback valve, the first air bag is communicated to the first hopper through a first blowback valve pipeline, the second blowback component comprises a second air bag and a second blowback valve, and the second air bag is communicated to the second hopper through a second blowback valve pipeline.
Furthermore, a pipeline formed by the first hopper and the second hopper is connected with the rotary valve in a sealing manner through a sealing ring.
Furthermore, the end part of the material conveying pipeline extends into the first hopper to serve as an embedded end, the embedded end is in a bevel shape, a bevel line at the end part of the embedded end serves as a, a horizontal line at the lower bottom surface of the first embedded end serves as b, an included angle between a and b serves as a bevel angle, and the bevel angle is-30-45 degrees.
Further, the gravity flap door is hinged to the top of the embedded end; the diameter of the gravity flap gate is larger than the pipe diameter of the material conveying pipeline.
Further, the controller is a PLC or a single chip microcomputer.
Compared with the prior art, the utility model discloses twins continuous type vacuum charging machine has following advantage:
(1) the utility model discloses twins continuous type vacuum charging machine has effectively solved continuous reinforced in-process filter and has filtered for a long time and cause the jam, the not good problem of blowback effect, and simple structure maintains succinctly, has realized the continuous automatic transport of powder material.
(2) The utility model discloses twins continuous type vacuum charging machine utilizes the characteristic of its gravity to carry out the shutoff to defeated material pipeline through setting up gravity flap gate, opens gravity flap gate, simple high-efficient through the mode that vacuum produced the negative pressure again.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic cross-sectional view of a twin continuous vacuum charger according to an embodiment of the present invention.
Description of reference numerals:
1. a twin vacuum hopper; 2. rotating the valve; 3. a first blowback component; 31. a first air bag; 32. a first blowback valve; 4. a second blowback component; 41. a second air bag; 42. a second blowback valve; 5. a material conveying pipeline; 51. a gravity flap door; 6. a first filter; 7. a second filter; 8. a diverter valve; 81. an outlet I; 82. and a second outlet.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
A twin continuous vacuum feeder, as shown in fig. 1, comprising a twin vacuum hopper 1, a rotary valve 2, a reversing valve 8, a first back-blowing component 3, a second back-blowing component 4, a material conveying pipeline 5, a first filter 6 and a second filter 7, wherein the twin vacuum hopper 1 comprises a first hopper and a second hopper, the bottoms of the first hopper and the second hopper are mutually communicated and form a single-way pipeline to be connected to the rotary valve 2 after being communicated, the top of the first hopper is provided with the first filter 6, the top of the second hopper is provided with the second filter 7, and the first filter 6 and the second filter 7 are both communicated to a vacuum pump; no. one blowback subassembly 3 communicates to hopper and filter 6 through the pipeline and corresponds No. one, No. two blowback subassemblies 4 communicate to No. two hoppers and No. two filter 7 through the pipeline and correspond, the top of hopper and No. two hoppers is equipped with switching-over valve 8, the import of switching-over valve 8 communicates to the vacuum pump, No. one export 81 of switching-over valve 8 communicates to the top of hopper No. one, No. two exports 82 of switching-over valve 8 communicate to the top of No. two hoppers, defeated material pipeline 5 communicates to in twins child vacuum hopper 1, and defeated material pipeline 5 communicates to the one end of twins child vacuum hopper 1 and is equipped with gravity flap 51, the vacuum pump, rotary valve 2, No. one blowback subassembly 3 and No. two blowback subassemblies 4 all are connected to the controller, control through the controller.
Preferably, the first blowback assembly 3 comprises a first air bag 31 and a first blowback valve 32, the first air bag 31 is communicated with the first hopper through a first blowback valve 32, the second blowback assembly 4 comprises a second air bag 41 and a second blowback valve 42, and the second air bag 41 is communicated with the second hopper through a second blowback valve 42.
Preferably, a pipeline formed by the first hopper and the second hopper is connected with the rotary valve 2 in a sealing mode through a sealing ring, so that the sealing performance is guaranteed, and the vacuum state in the hoppers can be kept.
Preferably, the end of the material conveying pipeline 5 extends into a hopper, and serves as an embedded end, the embedded end is in a bevel shape, a bevel line at the end of the embedded end serves as a, a horizontal line at the lower bottom surface of the embedded end serves as b, an included angle between a and b serves as a bevel angle, the angle of the bevel angle is-30-45 degrees, the end of the material conveying pipeline 5 is designed so that gravity turning plates can cover the position of the pipe orifice against self gravity, and meanwhile, the gravity turning plate door 51 can be smoothly jacked up after negative pressure is formed in the hopper, so that powder conveying is completed.
Preferably, the gravity flap door 51 is hinged to the top of the embedded end; the diameter of the gravity flap gate 51 is larger than the pipe diameter of the material conveying pipeline 5, so that the pipe opening of the material conveying pipeline 5 is covered, and powder leakage is avoided.
Preferably, the controller is a PLC or a single chip microcomputer.
The working principle is that in the initial state, the rotary valve 2 is closed, the controller controls the vacuum pump to be started, the first outlet 81 and the second outlet 82 of the reversing valve 8 are simultaneously controlled to be opened, negative pressure is formed in the first hopper and the second hopper, then powder in the conveying pipeline 5 jacks up the gravity flap gate 51, the powder enters the first hopper and the second hopper, the powder is adsorbed on the surfaces of the first filter 6 and the second filter 7, the controller sets the powder inlet time, after the powder inlet time is up, the controller controls the first outlet 81 of the reversing valve 8 to be closed, the second outlet 82 is opened, the connection between the first filter 6 and the vacuum pump is cut off, the surface air speed of the first filter 6 is instantly changed into 0, compressed air in the first air bag 31 enters the first hopper through the first reverse blowing valve 32, the powder on the surface of the first filter 6 is blown down, the blowing down time is set, and after the blowing down time is up, and opening a first outlet 81 of the reversing valve 8, closing a second outlet 82, cutting off the connection between the second filter 7 and the vacuum pump, instantly changing the surface air speed of the second filter 7 to 0, allowing the compressed air in the second air bag 41 to enter a second hopper through a second blowback valve 42, blowing off the powder on the surface of the second filter 7, and circularly operating according to the steps until the operation is finished.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. Twins continuous type vacuum feeder, its characterized in that: the device comprises a twin vacuum hopper, a rotary valve, a reversing valve, a first back blowing assembly, a second back blowing assembly, a material conveying pipeline, a first filter and a second filter, wherein the twin vacuum hopper comprises a first hopper and a second hopper, the bottoms of the first hopper and the second hopper are communicated with each other, and form a single-pass pipeline after being communicated to be connected to the rotary valve; a blowback subassembly communicates to hopper and a filter through the pipeline and corresponds No. one, No. two blowback subassemblies communicate to No. two hoppers and No. two filters through the pipeline and correspond, the top of hopper and No. two hoppers is equipped with the switching-over valve, the import of switching-over valve communicates to the vacuum pump, an export of switching-over valve communicates to the top of hopper No. one, No. two exports of switching-over valve communicate to the top of No. two hoppers, defeated material pipeline communicates to in the twins child vacuum hopper, and the one end that defeated material pipeline communicates to twins child vacuum hopper is equipped with gravity flap gate, the vacuum pump, the rotary valve, a blowback subassembly and No. two blowback subassemblies all are connected to the controller.
2. The twin continuous vacuum charger of claim 1, wherein: the first back flushing assembly comprises a first air bag and a first back flushing valve, the first air bag is communicated to the first hopper through a first back flushing valve pipeline, the second back flushing assembly comprises a second air bag and a second back flushing valve, and the second air bag is communicated to the second hopper through a second back flushing valve pipeline.
3. The twin continuous vacuum charger of claim 1, wherein: the pipeline that first hopper and No. two hoppers formed passes through sealing washer sealing connection between with the rotary valve.
4. The twin continuous vacuum charger of claim 1, wherein: the end part of the material conveying pipeline extends into the first hopper to serve as an embedded end, the embedded end is in a bevel shape, a bevel angle of the end part of the embedded end is used as a, a horizontal line of the lower bottom surface of the first embedded end is used as b, an included angle between a and b is used as a bevel angle, and the bevel angle is-30 degrees to-45 degrees.
5. The twin continuous vacuum charger of claim 4, wherein: the gravity flap door is hinged to the top of the embedded end; the diameter of the gravity flap gate is larger than the pipe diameter of the material conveying pipeline.
6. The twin continuous vacuum charger of claim 1, wherein: the controller is a PLC or a singlechip.
CN202221337691.0U 2022-05-31 2022-05-31 Twin continuous vacuum charging machine Active CN217376483U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221337691.0U CN217376483U (en) 2022-05-31 2022-05-31 Twin continuous vacuum charging machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221337691.0U CN217376483U (en) 2022-05-31 2022-05-31 Twin continuous vacuum charging machine

Publications (1)

Publication Number Publication Date
CN217376483U true CN217376483U (en) 2022-09-06

Family

ID=83090212

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221337691.0U Active CN217376483U (en) 2022-05-31 2022-05-31 Twin continuous vacuum charging machine

Country Status (1)

Country Link
CN (1) CN217376483U (en)

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