CN215363799U

CN215363799U - Continuous vacuum feeding device

Info

Publication number: CN215363799U
Application number: CN202121740345.2U
Authority: CN
Inventors: 苗树民; 侯建民
Original assignee: Henan Yongsheng Machinery Manufacturing Co ltd
Current assignee: Henan Yongsheng Machinery Manufacturing Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-12-31
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses a continuous vacuum feeding device, which comprises a discharge valve, a storage box, a shut-down fan, a negative pressure feeding pipeline, a negative pressure feeding device, an exhaust pipe, a negative pressure air inlet and an air pump assembly, wherein the discharge valve is arranged at the lower end of a conical cavity of the storage box, a feed inlet on the upper surface of a cylindrical cavity of the storage box is connected with the shut-down fan through a sealing piece, the negative pressure feeding device is arranged at the upper end of the shut-down fan, the left side of a third cavity of a sectional cylindrical cavity in the negative pressure feeding device is connected with an external hopper through the negative pressure feeding pipe, the right side of a first cavity of the sectional cylindrical cavity in the negative pressure feeding device is connected with the negative pressure air inlet through the exhaust pipe, and the lower end of the negative pressure air inlet is connected with the air pump assembly through a pipeline. Simple and convenient, and is suitable for wide popularization and use.

Description

Continuous vacuum feeding device

Technical Field

The utility model relates to the technical field of feeding machines, in particular to a continuous vacuum feeding device.

Background

General vacuum material loading machine is after a period of vacuum material loading, the vacuum pump stop work, the valve of feed opening is opened after saying, then begin the unloading, the unloading finishes, closing the valve of feed opening, the vacuum pump begins work, the material loading resumes, so relapse, to some less small material loading machines, the blanking time is generally more than the material loading time, cause the material loading discontinuous, and material loading efficiency underground, and frequently switch on the vacuum pump, the energy consumption is high, also cause the influence to the life-span of vacuum pump, when the blanking, because material loading pipe and hopper are UNICOM, cause some material to come out through the material loading pipe recoil, cause the dust big, the yield is low.

Disclosure of Invention

The technical problem to be solved by the utility model is to overcome the existing defects and provide a continuous vacuum feeding device, which realizes vacuum continuous feeding by using a fan, has large feeding amount, can be suitable for the production working condition of continuous feeding by continuously feeding, and can effectively solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a continuous vacuum loading attachment, including the discharge valve, the storage case, the fan closes, negative pressure charge-in pipeline, negative pressure charging equipment, the exhaust column, negative pressure air intake and air pump subassembly, storage case toper cavity lower extreme is equipped with the discharge valve, storage case cylindric cavity upper surface feed inlet passes through the sealing member and is connected with the fan closes, and close the fan upper end and be equipped with negative pressure charging equipment, negative pressure charging equipment is connected with outside hopper through the negative pressure inlet pipe in the third section cavity left side of subsection cylindric cavity, and the first section cavity right side of subsection cylindric cavity passes through the exhaust column and is connected with negative pressure air intake in negative pressure charging equipment, negative pressure air intake lower extreme passes through the pipeline and is connected with air pump subassembly.

Further, the storage box comprises an upper cylindrical cavity and a lower conical cavity, an access hole and a breather valve are formed in an upper end cover of the upper cylindrical cavity of the storage box, the access hole is located on the right side of the breather valve, a plurality of groups of mounting lugs are evenly arranged on the outer side surface of the cylindrical cavity of the storage box, a group of material level meters I are arranged on the cylindrical cavity of the storage box, and a gas disc I, an air hammer, a material level meter II and a gas disc II are sequentially arranged on the conical cavity of the storage box from top to bottom.

Furthermore, the first air disc and the second air disc are uniformly distributed and arranged in a plurality of groups by taking the large conical cavity of the storage box as a center, the air hammers are distributed and arranged in a plurality of groups in a vertically staggered manner by taking the large conical cavity of the storage box as a center, and the level indicator is positioned in only one group of the large conical cavity of the storage box.

Furthermore, a solenoid valve is arranged at the joint of the lower end of the negative pressure feeding material pipe and the external hopper.

Furthermore, the negative pressure feeding equipment consists of a sectional cylindrical cavity and a small conical cavity, and the sectional cylindrical cavity is divided into three layers.

Furthermore, a dust removal filter element is arranged at the joint of the first section and the second section in the sectional cylindrical cavity, a pulse back-blowing mechanism is arranged on the outer side surface of the second section of the sectional cylindrical cavity, and a material level meter III is arranged on the outer side surface of the third section of the sectional cylindrical cavity.

Further, the air pump assembly comprises a vortex air pump, a negative pressure air outlet and a pressure gauge are arranged at the upper end of the vortex air pump respectively, and the negative pressure air outlet is located on the left side of the pressure gauge.

Furthermore, the vortex air pump consists of a shockproof base, an air inlet, a bearing, an impeller and a radiating fin.

Compared with the prior art, the utility model has the beneficial effects that: this continuous vacuum loading attachment has following benefit:

1. the utility model is provided with the air-lock valve, and the air-lock valve is additionally arranged between the negative pressure feeding device and the material storage box, so that the vacuum continuous feeding can be realized, the flow direction of the powdery material can be effectively controlled, the device blockage is avoided, the air-lock valve has better sealing performance than a star-shaped discharger in the running state, the powdery material is prevented from being backflushed out through the material pipe to cause larger dust, and the utility model has the advantages of simple structure, low processing cost, high working efficiency and the like.

2. The material level meter is arranged on the negative pressure feeding equipment, so that the feeding amount in the cavity of the negative pressure feeding equipment is monitored in real time, the electromagnetic valve on the negative pressure feeding pipeline is opened when the material amount in the cavity of the negative pressure feeding equipment is lower than the lower limit value of the material level meter, and the electromagnetic valve on the negative pressure feeding pipeline is closed when the material amount in the cavity of the negative pressure feeding equipment is higher than the upper limit value of the material level meter, so that a certain amount of powder material is always present in the cavity of the negative pressure feeding equipment, and the operation state of the device is ensured.

3. The breather valve is arranged on the cylindrical cavity of the storage box, so that the problem that the storage box cannot smoothly discharge materials due to a vacuum state in the discharging process of the air-shut machine is solved, and the air can continuously enter the storage box in the discharging process through the breather valve, so that negative pressure is avoided, and normal discharging of the device is guaranteed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a structural storage bin of the present invention;

FIG. 3 is a schematic view of a negative pressure charging apparatus of the present invention;

FIG. 4 is a schematic view of an air pump assembly according to the present invention.

In the figure: 1 discharge valve, 2 storage tanks, 201 manholes, 202 breather valves, 203 installation hangers, 204 level gauge I, 205 air disc I, 206 air hammer, 207 level gauge II, 208 air disc II, 3 air-off fans, 4 negative pressure feed pipelines, 5 negative pressure feeding equipment, 501 sectional cylindrical cavity, 502 small conical cavity, 503 dust removal filter core, 504 pulse back blowing mechanism, 505 level gauge III, 6 exhaust pipes, 7 negative pressure air inlets, 8 air pump components, 801 vortex air pumps, 802 negative pressure air outlets and 803 pressure gauges.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a continuous vacuum feeding device comprises a discharge valve 1, a storage box 2, a shut-off fan 3, a negative pressure feeding pipeline 4, a negative pressure feeding device 5, an exhaust pipe 6, a negative pressure air inlet 7 and an air pump assembly 8, wherein the discharge valve 1 is arranged at the lower end of a conical cavity of the storage box 2, a feeding port on the upper surface of the cylindrical cavity of the storage box 2 is connected with the shut-off fan 3 through a sealing piece, the upper end of the shut-off fan 3 is provided with the negative pressure feeding device 5, the left side of a third cavity of a segmented cylindrical cavity 501 in the negative pressure feeding device 5 is connected with an external hopper through the negative pressure feeding pipe 4, the right side of a first cavity of the segmented cylindrical cavity 501 in the negative pressure feeding device 5 is connected with the negative pressure air inlet 7 through the exhaust pipe 6, the lower end of the negative pressure air inlet 7 is connected with the air pump assembly 8 through a pipeline, the input end of the shut-off fan 3 is electrically connected with the output end of an external motor, the shut-off fan 3 can not only realize vacuum continuous feeding, the flow direction of the powdery material can be effectively controlled, the blockage of the equipment is avoided, the air-closing machine 3 has better sealing performance than a star-shaped discharger in the running state, the powdery material is prevented from being blown out by back through a material pipe to cause larger dust, the air-closing machine 3 has the advantages of simple structure, low processing cost, high working efficiency and the like, the storage box 2 consists of an upper cylindrical cavity and a lower conical cavity, the upper end cover of the cylindrical cavity of the storage box 2 is provided with an access hole 201 and a breather valve 202, the access hole 201 is positioned at the right side of the breather valve 202, the outer side surface of the cylindrical cavity of the storage box 2 is uniformly provided with a plurality of groups of mounting lugs 203, the mounting lugs 203 mount and fix the storage box 2 on an external frame, the cylindrical cavity of the storage box 2 is provided with a group of level gauges one 204, the conical cavity of the storage box 2 is sequentially provided with a gas disc one 205, an air hammer 206, a level gauge two 207 and a gas disc two 208 from top to bottom, the surface position of the powder material in the storage box 2 can be measured through the first level indicator 204 and the second level indicator 207 to know the quantity of the material stored in the storage bin, and the air-closing machine 3 can avoid the problem that the storage box cannot smoothly discharge materials under the vacuum state in the discharging process through the breather valve 202, the air can continuously enter the storage box 2 in the discharging process through the breather valve 3 to avoid negative pressure, so that the normal discharging of the device is ensured, the first air disk 205 and the second air disk 208 are uniformly distributed and arranged by taking a large conical cavity of the storage box 2 as a center, the air hammers 206 are vertically staggered and arranged by taking the large conical cavity of the storage box 2 as a center, the second level indicator 207 is only arranged in one group in the large conical cavity of the storage box 2, and the first air disk 205, the second air disk 208 and the air hammers 206 avoid the phenomenon that the powder material is not discharged due to bridging in the storage box 2, the connection part of the lower end of the negative pressure feeding pipe 4 and an external hopper is provided with an electromagnetic valve, the negative pressure feeding device 5 consists of a sectional cylindrical cavity 501 and a small conical cavity 502, the sectional cylindrical cavity 501 is divided into three layers, a dust removal filter core 503 is arranged at the connection part of a first section and a second section in the sectional cylindrical cavity 501, the outer side surface of the second section of the sectional cylindrical cavity 501 is provided with a pulse back flushing mechanism 504, the outer side surface of the third section of the sectional cylindrical cavity 501 is provided with a level gauge III 505, the feeding amount in the negative pressure feeding device 5 is monitored in real time by arranging the level gauge III 505 on the negative pressure feeding device 5, the electromagnetic valve on the negative pressure feeding pipe 4 is opened when the material amount in the negative pressure feeding device 5 is lower than the lower limit value of the level gauge III 505, and the electromagnetic valve on the negative pressure feeding pipe 4 is closed when the material amount in the negative pressure feeding device 5 is higher than the upper limit value of the level gauge III 505, guarantee to have a certain amount of powder material in 5 cavities of negative pressure charging equipment all the time, with this running state who guarantees the device, air pump assembly 8 includes vortex air pump 801, vortex air pump 801 upper end is equipped with negative pressure air outlet 802 and manometer 803 respectively, and negative pressure air outlet 802 is located manometer 803 left side, vortex air pump 801 is by shock mount, the air intake, the bearing, impeller and fin are constituteed, the input of vortex air pump 801 is connected with the output electricity of external motor, realize negative pressure in 5 cavities of negative pressure charging equipment through vortex air pump 801 convulsions, then the powder material gets into in 5 cavities of negative pressure charging equipment through negative pressure charge pipeline 4, with this process of accomplishing a material loading.

When in use: firstly, a material storage box 2 is installed and fixed on an external frame through an installation hanging lug 203, an external power supply is turned on, a vortex air pump 801 is used as source power, the vortex air pump 801 operates to draw air, negative pressure in a cavity of a negative pressure feeding device 5 is realized through an exhaust pipe 6, then powder materials enter the cavity of the negative pressure feeding device 5 through a negative pressure feeding pipe 4, the powder materials are filtered for one time through a dust removal filter core 503 in the feeding process, the blockage of device parts due to flying dust in the feeding process is avoided, the feeding quantity in the cavity of the negative pressure feeding device 5 is monitored in real time through a third material level gauge 505 on the negative pressure feeding device 5, when the material quantity in the cavity of the negative pressure feeding device 5 is lower than the lower limit value of the third material level gauge 505, an electromagnetic valve on the negative pressure feeding pipe 4 is opened, and when the material quantity in the cavity of the negative pressure feeding device 5 is higher than the upper limit value of the third material level gauge 505, the electromagnetic valve on the negative pressure feeding pipe 4 is closed, guarantee that there is a quantitative powder material all the time in the cavity of negative pressure feeding equipment 5 to this operating condition of guaranteeing the device, then not only can realize the continuous material loading in vacuum through closing fan 3, also can control the flow direction of powdered material effectively, avoid blocking up the equipment, and close fan 3 and better than the leakproofness of star type tripper under operating condition, avoided powdered material to come out through the material pipe recoil and caused great dust, close fan 3 has simple structure, low in processing cost, advantages such as work efficiency height, when powdered material drops into storage tank 2, open discharge valve 1, in the powder material is dropped into the outside hopper, and in the unloading process, through air dish one 205, air dish two 208 and air hammer 206 avoided the powder material to pile up the phenomenon that the bridge caused in storage tank 2, and when tank 2 is in the unloading process, material level gauge one 204 and material level gauge two 207 on 2 to the survey powder material surface position in storage tank 2 The amount of the materials stored in the storage bin is known, and then the vortex air pump 801 performs air draft movement, so that the continuous vacuum feeding is completed through circulation movement.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a continuous vacuum loading attachment, includes discharge valve (1), storage case (2), closes fan (3), negative pressure charge-in pipeline (4), negative pressure charging equipment (5), exhaust column (6), negative pressure air intake (7) and air pump subassembly (8), its characterized in that: storage case (2) toper cavity lower extreme is equipped with discharge valve (1), storage case (2) cylindric cavity upper surface feed inlet passes through the sealing member and is connected with air shutoff machine (3), and air shutoff machine (3) upper end is equipped with negative pressure charging equipment (5), the third section cavity left side of merogenesis cylindric cavity (501) in negative pressure charging equipment (5) is passed through negative pressure charge-in pipeline (4) and is connected with outside hopper, and the first section cavity right side of merogenesis cylindric cavity (501) in negative pressure charging equipment (5) is passed through exhaust column (6) and is connected with negative pressure air intake (7), negative pressure air intake (7) lower extreme passes through the pipeline and is connected with air pump component (8).

2. A continuous vacuum charging apparatus as claimed in claim 1, wherein: storage case (2) comprise upper portion cylindric cavity and lower part toper cavity, be equipped with access hole (201) and breather valve (202) on storage case (2) cylindric cavity upper end cover, and access hole (201) are located the right side of breather valve (202), the lateral surface of storage case (2) cylindric cavity evenly is equipped with multiunit installation hangers (203), and be equipped with a set of charge level indicator (204) on storage case (2) cylindric cavity, from the top down is equipped with gas dish (205) on storage case (2) toper cavity in proper order, air hammer (206), charge level indicator two (207) and gas dish two (208).

3. A continuous vacuum charging apparatus as claimed in claim 2, wherein: the first air disc (205) and the second air disc (208) are uniformly distributed and arranged in a plurality of groups by taking the large conical cavity of the storage box (2) as the center, the air hammers (206) are vertically staggered and arranged in a plurality of groups by taking the large conical cavity of the storage box (2) as the center, and the second level indicator (207) is positioned in only one group of the large conical cavity of the storage box (2).

4. A continuous vacuum charging apparatus as claimed in claim 1, wherein: the joint of the lower end of the negative pressure feeding pipeline (4) and the external hopper is provided with an electromagnetic valve.

5. A continuous vacuum charging apparatus as claimed in claim 1, wherein: the negative pressure feeding equipment (5) consists of a sectional cylindrical cavity (501) and a small conical cavity (502), and the sectional cylindrical cavity (501) is divided into three layers.

6. A continuous vacuum charging apparatus as claimed in claim 5, wherein: a dust removal filter element (503) is arranged at the joint of a first section and a second section in the sectional cylindrical cavity (501), a pulse back blowing mechanism (504) is arranged on the outer side surface of the second section of the sectional cylindrical cavity (501), and a third level gauge (505) is arranged on the outer side surface of the third section of the sectional cylindrical cavity (501).

7. A continuous vacuum charging apparatus as claimed in claim 1, wherein: the air pump assembly (8) comprises a vortex air pump (801), a negative pressure air outlet (802) and a pressure gauge (803) are respectively arranged at the upper end of the vortex air pump (801), and the negative pressure air outlet (802) is positioned on the left side of the pressure gauge (803).

8. A continuous vacuum charging apparatus as claimed in claim 7, wherein: the vortex air pump (801) is composed of a shockproof base, an air inlet, a bearing, an impeller and a radiating fin.