CN112299016A - Vacuum feeding device - Google Patents
Vacuum feeding device Download PDFInfo
- Publication number
- CN112299016A CN112299016A CN202011364806.0A CN202011364806A CN112299016A CN 112299016 A CN112299016 A CN 112299016A CN 202011364806 A CN202011364806 A CN 202011364806A CN 112299016 A CN112299016 A CN 112299016A
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- Prior art keywords
- vacuum
- unit
- storage bin
- air
- air pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/24—Gas suction systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/36—Arrangements of containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/40—Feeding or discharging devices
- B65G53/46—Gates or sluices, e.g. rotary wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/66—Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vacuum Packaging (AREA)
Abstract
The invention belongs to the technical field of material conveying equipment, and relates to a vacuum loading device which comprises a storage bin, a vacuum unit, an air pressure control unit, a filter screen unit, a back flushing unit and an automatic unloading unit, wherein a feeding hole is formed in one side of the storage bin, a discharging hole is formed in the bottom of the storage bin, the vacuum unit is used for enabling the interior of the storage bin to generate vacuum degree, the air pressure control unit is used for starting or closing the vacuum unit, when the vacuum unit is closed, the air pressure in the storage bin is balanced with the external atmospheric pressure, the automatic unloading unit is arranged at the discharging hole of the storage bin, when the interior of the storage bin is in a vacuum state, the automatic unloading unit is in a closed state, and when the air pressure in the storage bin is balanced with the external atmospheric pressure, the automatic unloading unit. The automatic feeding device is simple in structure and convenient to operate, realizes the functions of vacuum feeding and full-automatic discharging, and has the advantages of high working efficiency, low cost, high safety, long service life, manpower and material resource saving and the like.
Description
Technical Field
The invention belongs to the technical field of material conveying equipment, and particularly relates to a vacuum feeding device.
Background
The vacuum feeding device belongs to a component of a pneumatic conveying system, is in a general popularization stage at home and abroad at present, replaces the former manual transportation and material pouring by the application of the equipment, effectively prevents dust from flying, has a simpler structure, and has the advantages of reducing dust pollution, saving labor force and the like.
However, the currently used vacuum charging devices have two disadvantages and shortcomings: firstly, after the conventional vacuum feeding device is used for a period of time, a filter cylinder is easy to block, and the filter cylinder needs to be frequently disassembled for cleaning, so that time and labor are wasted; secondly, the existing vacuum feeding devices all need to be provided with a control valve to control the blanking, so that the time sequence control program and the equipment cost are increased.
Disclosure of Invention
The invention aims to solve the defects and shortcomings in the prior art, and provides a vacuum feeding device which can realize the functions of vacuum feeding and full-automatic discharging, can automatically clean dust adsorbed by a filter cylinder, reduce the frequency of specially disassembling and cleaning the filter cylinder and improve the continuous working efficiency of working conditions.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a vacuum charging apparatus, comprising:
the device comprises a storage bin, a feed inlet is formed in one side of the storage bin, and a discharge outlet is formed in the bottom of the storage bin;
the vacuum unit is used for generating vacuum degree inside the storage bin;
the air pressure control unit is used for starting or closing the vacuum unit, and when the vacuum unit is closed, the air pressure in the storage bin keeps balance with the external atmospheric pressure;
the filter screen unit is arranged in the storage bin and used for preventing materials from entering the vacuum unit and the air pressure balancing unit;
the back flushing unit is connected to one side, away from the materials, of the filter screen unit and is used for cleaning the surface of the filter screen unit;
the automatic discharge unit, the automatic discharge unit sets up in the discharge gate department of feed bin, and when the inside vacuum state that is in of feed bin, it is in the closed condition, and when inside atmospheric pressure of feed bin was balanced with outside atmospheric pressure, it was in the open mode under the effect of material gravity to can accomplish back self-closing at the unloading.
Preferably, the feed bin top is equipped with the feed bin lid, the vacuum unit is including setting up in feed bin lid one side, the gas outlet of being connected with vacuum generating device to and set up inside the feed bin lid, can open or close the vacuum auto-change over device of gas outlet.
Preferably, the vacuum switching device comprises a cylinder, wherein an air cylinder is arranged in the cylinder, the end part of a piston rod of the air cylinder is connected with a sealing plate matched with the air outlet, and the air outlet can be opened or closed by moving the sealing plate leftwards and rightwards.
Preferably, the atmospheric pressure control unit is including setting up the atmospheric pressure balance mouth at feed bin lid opposite side, the atmospheric pressure balance mouth passes through the rubber tube and is connected with the barrel, and is equipped with the air supply pipe of being connected with the cylinder in the atmospheric pressure balance mouth, be equipped with the solenoid valve on the air supply pipe and filter the relief pressure valve.
Preferably, the filter screen unit comprises a filter cylinder fixedly connected with the inner side wall of the storage bin through a silica gel gasket.
Preferably, the blowback unit includes the blowback gas package, the lower extreme of blowback gas package is equipped with manual ball valve, and the upper end is connected with the filter screen unit through the pulse valve, still be equipped with the air inlet of being connected with compressed air source on the blowback gas package.
Preferably, the automatic discharging unit comprises a valve body welded with the discharging port, the valve body is rotatably connected with the valve cover through a heavy hammer connecting rod, a counterweight block with an adjustable position is arranged on the heavy hammer connecting rod, and the closing speed of the valve cover under the action of the counterweight block can be controlled through the position movement of the counterweight block.
Preferably, the storage bin is further provided with a material level meter in signal connection with the air pressure control unit.
After the technical scheme is adopted, the vacuum feeding device provided by the invention has the following beneficial effects:
according to the invention, through the design of the vacuum unit, the internal gas flow can be formed by utilizing the pressure difference between vacuum and external atmospheric pressure to drive the powdery material to move, so that the powder is conveyed, the labor intensity of workers is reduced, the dustless working environment is realized, and the waste of the material is avoided; through the design of the air pressure control unit, the vacuum unit can be controlled to continuously feed materials or be controlled to close for discharging according to the material quantity in the storage bin, so that the functions of vacuum feeding and full-automatic discharging are realized; through the design of the back flushing unit, dust adsorbed by the filter cartridge can be automatically cleaned, the frequency of specially disassembling the filter cartridge for cleaning is reduced, and the efficiency of continuous working under working conditions is improved; through the design of the automatic discharging unit, a control valve does not need to be independently installed, and the problems of increasing time sequence control programs and equipment cost can be avoided. Therefore, the vacuum feeding device has the advantages of simple structure, convenience in operation, realization of the functions of vacuum feeding and full-automatic discharging, high working efficiency, low cost, high safety, long service life, manpower and material resource saving and the like.
Drawings
Fig. 1 is a schematic perspective view of a vacuum loading apparatus according to the present invention (the automatic discharging unit is in an open state);
FIG. 2 is a side view of a vacuum loading apparatus of the present invention (with the automatic discharge unit in a closed state);
FIG. 3 is a front view of a vacuum loading apparatus of the present invention (with the automatic discharge unit in a closed state);
FIG. 4 is a cross-sectional view of a vacuum loading apparatus of the present invention (with the automatic discharge unit in an open state and the vacuum unit in a closed state);
FIG. 5 is a schematic structural view of a vacuum switching apparatus according to the present invention;
FIG. 6 is a sectional view of the vacuum switching apparatus of the present invention in a closed state;
FIG. 7 is a sectional view showing an opened state of the vacuum switching apparatus according to the present invention;
FIG. 8 is a schematic structural view of the automatic discharging unit in a closed state according to the present invention;
fig. 9 is a schematic structural view of the automatic discharging unit in an open state according to the present invention.
Wherein: the device comprises a storage bin 1, a feeding hole 2, a discharging hole 3, a storage bin cover 4, an air outlet 5, a vacuum switching device 6, a cylinder 7, an air cylinder 8, a sealing plate 9, an air pressure balancing hole 10, a rubber pipe 11, an air source pipe 12, an electromagnetic valve 13, a filtering and reducing valve 14, a silica gel gasket 15, a filter cartridge 16, a back-blowing air bag 17, a manual ball valve 18, a pulse valve 19, an air inlet 20, a valve body 21, a heavy hammer connecting rod 22, a valve cover 23, a balancing weight 24 and a level indicator 25.
Detailed Description
The present invention now will be described more fully hereinafter with reference to the accompanying drawings and detailed description, in which it is to be understood that the embodiments described are merely illustrative of some, but not all embodiments of the invention. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The invention discloses a vacuum feeding device, which is shown in figures 1-8 and comprises a storage bin 1, a vacuum unit, an air pressure control unit, a filter screen unit, a back flushing unit and an automatic discharging unit.
1 top of feed bin is equipped with feed bin lid 4, and is connected through the staple bolt between feed bin 1 and the feed bin lid 4, 1 one side of feed bin is equipped with feed inlet 2, and the bottom is equipped with discharge gate 3.
The vacuum unit comprises a gas outlet 5 arranged on one side of the bin cover 4 and connected with a vacuum generating device, and a vacuum switching device 6 arranged inside the bin cover 4 and capable of opening or closing the gas outlet 5, wherein the vacuum switching device 6 comprises a cylinder 7, a cylinder 8 is arranged in the cylinder 7, the end part of a piston rod of the cylinder 8 is connected with a sealing plate 9 matched with the gas outlet 5, and the gas outlet 5 can be opened or closed through the left and right movement of the sealing plate 9, as shown in fig. 6-7; the atmospheric pressure control unit is including setting up the atmospheric pressure balance mouth 10 at 4 opposite sides of feed bin lid, atmospheric pressure balance mouth 10 is connected with barrel 7 through rubber tube 11, and is equipped with the air supply pipe 12 of being connected with cylinder 8 in the atmospheric pressure balance mouth 10, be equipped with solenoid valve 13 and filter relief pressure valve 14 on the air supply pipe 12, can switch the gas circuit of cylinder 8 through solenoid valve 13 to the concertina movement of control cylinder 8 controls opening or closing of gas outlet 5 promptly.
The filter screen unit sets up inside feed bin 1 for the separation material gets into vacuum unit and atmospheric pressure balancing unit, and is specific, the filter screen unit sets up in the junction of feed bin 1 and feed bin lid 4, includes and strains a section of thick bamboo 16 through silica gel gasket 15 and 1 inside wall fixed connection of feed bin.
The reverse blowing unit is connected to one side, far away from materials, of the filter screen unit and used for cleaning the surface of the filter screen unit, specifically, the reverse blowing unit comprises a reverse blowing air bag 17, a manual ball valve 18 is arranged at the lower end of the reverse blowing air bag 17, the upper end of the reverse blowing air bag is connected with the filter screen unit through a pulse valve 19, an air inlet 20 connected with a compressed air source is further arranged on the reverse blowing air bag 17, in the material suction process, the materials are blocked by the filter cartridge 16, part of dust can be attached to the surface of the filter cartridge 16, and in the past, the filter cartridge 16 can be blocked, so that the material suction capacity is reduced, when the filter cartridge 16 is blocked and the material suction capacity is affected, the pulse valve 19 is opened, the filter cartridge 16 is washed by air pressure of the reverse blowing air bag 17, and the surface of.
The automatic discharge unit sets up in discharge gate 3 department of feed bin 1, and when 1 inside vacuum state that is in of feed bin, it is in the closed condition, when 1 inside atmospheric pressure of feed bin was balanced with outside atmospheric pressure, it was in the open mode under the effect of material gravity to can accomplish back self-closing at the unloading, it is concrete, the automatic discharge unit includes 3 welded valve bodies 21 with the discharge gate, valve body 21 rotates with valve gap 23 through weight connecting rod 22 and is connected, be equipped with position adjustable balancing weight 24 on the weight connecting rod 22, through the position removal of balancing weight 24, can control valve gap 23 the speed of closing speed under the effect of balancing weight 24.
Further, still be equipped with the charge level indicator 25 with atmospheric pressure control unit signal connection on the feed bin 1, after inhaling the material and reach a quantitative, feed back the atmospheric pressure control unit through the charge level indicator 25 with the material volume in the feed bin 1, the vacuum unit is closed to the atmospheric pressure control unit, stops to inhale the material, and the material is automatic unloading under its self action of gravity.
When the vacuum loading device is used, the valve cover 23 of the automatic unloading unit is in an automatic closing state under the action of the gravity of the counterweight block 24, the air cylinder 8 of the vacuum switching device 6 drives the sealing plate 9 to be far away from the air outlet 5, the air outlet 5 is communicated with the inside of the bin 1 and an external vacuum generating device, the inside of the bin 1 is vacuumized through the vacuum generating device, the bin 1 in the vacuum state starts to suck materials through the feed inlet 2, when the materials reach the height set by the level gauge 25 after a certain time of sucking, the level gauge 25 sends a signal, the electromagnetic valve 13 switches the air circuit to enable the air cylinder 8 to push the sealing plate 9 to close the air outlet 5, the air pressure balance port 10 balances the air pressure inside the bin 1 and the external atmospheric pressure when the air outlet 5 is closed, the gravity of the materials in the bin 1 overcomes the gravity of the counterweight block 24 to push the, after the feeding is finished, the valve cover 23 rotates upwards under the action of the gravity of the balancing weight 24 to be automatically closed, and the operation is repeatedly circulated.
In conclusion, the vacuum feeding device provided by the invention has the advantages of simple structure, convenience in operation, realization of functions of vacuum feeding and full-automatic discharging, high working efficiency, low cost, high safety, long service life, manpower and material resource saving and the like, has great market value, and is worthy of wide popularization and application.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A vacuum loading device, comprising:
the device comprises a storage bin (1), wherein a feeding hole (2) is formed in one side of the storage bin (1), and a discharging hole (3) is formed in the bottom of the storage bin;
a vacuum unit for creating a vacuum inside the silo (1);
the air pressure control unit is used for starting or closing the vacuum unit, and when the vacuum unit is closed, the air pressure in the storage bin (1) is balanced with the external atmospheric pressure;
the filter screen unit is arranged inside the storage bin (1) and used for preventing materials from entering the vacuum unit and the air pressure balancing unit;
the back flushing unit is connected to one side, away from the materials, of the filter screen unit and is used for cleaning the surface of the filter screen unit;
the automatic unloading unit is arranged at a discharge hole (3) of the storage bin (1), is in a closed state when the storage bin (1) is in a vacuum state, is in an open state under the action of gravity of materials when the air pressure in the storage bin (1) is balanced with the external atmospheric pressure, and can be automatically closed after unloading is finished.
2. A vacuum charging apparatus as claimed in claim 1, wherein: feed bin (1) top is equipped with feed bin lid (4), the vacuum unit is including setting up in feed bin lid (4) one side, gas outlet (5) of being connected with vacuum generating device to and set up inside feed bin lid (4), can open or close vacuum auto-change over device (6) of gas outlet (5).
3. A vacuum charging apparatus as claimed in claim 2, wherein: the vacuum switching device (6) comprises a cylinder body (7), wherein an air cylinder (8) is arranged in the cylinder body (7), the end part of a piston rod of the air cylinder (8) is connected with a sealing plate (9) matched with the air outlet (5), and the air outlet (5) can be opened or closed by moving the sealing plate (9) left and right.
4. A vacuum charging apparatus as claimed in claim 3, wherein: the pneumatic control unit comprises a pneumatic balance port (10) arranged on the other side of the bin cover (4), the pneumatic balance port (10) is connected with the barrel (7) through a rubber pipe (11), a pneumatic source pipe (12) connected with the air cylinder (8) is arranged in the pneumatic balance port (10), and an electromagnetic valve (13) and a filtering and reducing valve (14) are arranged on the pneumatic source pipe (12).
5. A vacuum charging apparatus as claimed in claim 1, wherein: the filter screen unit comprises a filter cylinder (16) fixedly connected with the inner side wall of the storage bin (1) through a silica gel gasket (15).
6. A vacuum charging apparatus as claimed in claim 1, wherein: the blowback unit includes blowback gas bag (17), the lower extreme of blowback gas bag (17) is equipped with manual ball valve (18), and pulse valve (19) and filter screen unit connection are passed through to the upper end, still be equipped with air inlet (20) of being connected with compressed air source on blowback gas bag (17).
7. A vacuum charging apparatus as claimed in claim 1, wherein: the automatic discharging unit comprises a valve body (21) welded with the discharging port (3), the valve body (21) is rotatably connected with a valve cover (23) through a heavy hammer connecting rod (22), a position-adjustable balancing weight (24) is arranged on the heavy hammer connecting rod (22), and the closing speed of the valve cover (23) under the action of the balancing weight (24) can be controlled through the position movement of the balancing weight (24).
8. A vacuum charging apparatus as claimed in claim 1, wherein: the storage bin (1) is further provided with a material level meter (25) in signal connection with the air pressure control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011364806.0A CN112299016A (en) | 2020-11-27 | 2020-11-27 | Vacuum feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011364806.0A CN112299016A (en) | 2020-11-27 | 2020-11-27 | Vacuum feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112299016A true CN112299016A (en) | 2021-02-02 |
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ID=74487892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011364806.0A Pending CN112299016A (en) | 2020-11-27 | 2020-11-27 | Vacuum feeding device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112299016A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114197594A (en) * | 2021-11-09 | 2022-03-18 | 湖南真创环保科技有限公司 | Normally open bottom valve closing mechanism based on vacuum container and cavity suction type vacuum toilet system |
| CN114435964A (en) * | 2022-03-08 | 2022-05-06 | 广东长信精密设备有限公司 | Particulate matter vacuum feeding device |
-
2020
- 2020-11-27 CN CN202011364806.0A patent/CN112299016A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114197594A (en) * | 2021-11-09 | 2022-03-18 | 湖南真创环保科技有限公司 | Normally open bottom valve closing mechanism based on vacuum container and cavity suction type vacuum toilet system |
| CN114435964A (en) * | 2022-03-08 | 2022-05-06 | 广东长信精密设备有限公司 | Particulate matter vacuum feeding device |
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