CN218431991U - Negative pressure feeding system - Google Patents

Abstract

The utility model discloses a negative pressure feeding system, which relates to the technical field of solid material packaging, and comprises a storage tank and a negative pressure feeding device, wherein the negative pressure feeding device comprises a negative pressure cylinder, the middle part of the negative pressure cylinder is provided with an openable gate, the inside of the negative pressure cylinder is divided into an upper cavity and a lower cavity by the gate, and the negative pressure cylinder is provided with a material conveying pipe for communicating the storage tank with the upper cavity; the negative pressure feeding device also comprises an air pump for pumping air into the upper chamber. The utility model discloses simple structure, material loading are convenient, occupation space is little, can effectively avoid the material structure impaired, can use on the reasonable packaging production line that is used for.

Description

Negative pressure feeding system

Technical Field

The utility model relates to a solid material packing technical field particularly, relates to a negative pressure feeding system.

Background

With the change of modern life style and the acceleration of urban life rhythm, people can spend less and less time and energy on preparing food in a kitchen, and what is more needed is to conveniently and quickly solve the diet problem, so that simple, nutritional, sanitary, economic and quick convenient instant food becomes the first choice of diet for most people in modern times.

According to the information mentioned in the scientific conference of the influence of modern society fast food held in rivers in 11 and 18 months in 2020 by the Vietnam medical society on the health of people, the consumption of the Vietnam instant noodles is the fifth in the world, and each citizen consumes 55 bags of instant noodles each year on average. Vov. Vn reported at 11/18/2020, wednesday, 15: the consumption of instant noodles in the south Vietnam is the fifth in the world at present, china (the most populated countries in the world) consumes the most amount of noodles of 402.5 hundred million bags of instant noodles per year, indonesia ranks the second with 125.4 hundred million bags, india consumes more than 60 hundred million bags, japan consumes 57.8 hundred million bags, and Vietnam consumes 52 hundred million bags of instant noodles per year. The number of instant noodles consumed in vietnam reaches 55 bags/person per year, which is even higher than 31 bags/person per year in china, 46 bags/person per year in indonesia and 45.8 bags/person per year in japan.

Common seasonings in instant noodles comprise a seasoning powder bag, a sauce bag and a dehydrated vegetable bag, and with the development of the instant noodle industry, in order to reduce the production cost and improve the production efficiency, more and more manufacturers package seasoning powder and dehydrated vegetables in the same seasoning bag. The current common feeding mode mainly comprises conveying belt feeding or screw conveyor feeding; the dehydrated vegetables are fragile, so that the vertical dehydration tank is damaged when the spiral conveyor feeds materials, the dehydrated vegetables are difficult to keep original shapes, and the product quality is influenced; if the conveying belt is used for feeding, not only can dehydrated vegetables be exposed in the air and polluted, but also the conveying belt is complex in structure and large in occupied space, so that the whole packaging production line is complex in structure. Therefore, a negative pressure feeding system which is convenient to feed, simple in structure and capable of preventing the material structure from being damaged is urgently needed in the market.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a negative pressure feeding system, simple structure, material loading are convenient, occupation space is little, can effectively avoid the material structure impaired, can use on the reasonable use packing production line.

For realizing the purpose of the utility model, the technical proposal adopted is that: a negative pressure feeding system comprises a storage tank and a negative pressure feeding device, wherein the negative pressure feeding device comprises a negative pressure cylinder, the middle part of the negative pressure cylinder is provided with an openable gate, the inside of the negative pressure cylinder is divided into an upper cavity and a lower cavity by the gate, and the negative pressure cylinder is provided with a material conveying pipe for communicating the storage tank with the upper cavity; the negative pressure feeding device also comprises an air pump for pumping air into the upper chamber.

Further, still including the installation base, be equipped with on the installation base and connect the hopper, the storage tank exit end is located and connects the hopper top, and material conveying pipe entrance point is the loudspeaker form, connects the hopper exit end to insert and establishes in the material conveying pipe entrance point.

Furthermore, a first linear vibrator is further arranged on the mounting base, and the material receiving hopper is mounted on the first linear vibrator.

Furthermore, the negative pressure cylinder is also provided with a vent pipe communicated with the lower cavity, and the vent pipe is also provided with a vent net.

Furthermore, an air pipeline is connected between the outlet end of the air pump and the upper chamber, and a filter screen for isolating materials is arranged in the upper chamber or at one end of the upper chamber connected with the air pipeline.

Furthermore, a pulse back-blowing assembly is further installed on the top of the upper cavity or the air pipeline.

Furthermore, the outlet end of the material conveying pipe is communicated with the upper chamber through a hose and a hose.

Furthermore, the negative pressure cylinder is formed by sequentially splicing a plurality of cylinder sections.

Furthermore, the lower end of the negative pressure cylinder is open.

The utility model has the advantages that,

the utility model has simple structure, convenient feeding and small occupied space, can effectively avoid the damage of the material structure, and can directly install the negative pressure cylinder on the storage barrel of the filling device or the discharging disc of the filling device when in use, so that the negative pressure cylinder can be reasonably used on a packaging production line; meanwhile, the feeding efficiency is high, and the exposure time of the materials is greatly reduced in the feeding process, so that the safety of the materials is effectively improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the principles of the invention.

Fig. 1 is a structural diagram of a negative pressure feeding system provided by the present invention;

fig. 2 is a schematic view of the structure of the inside of the negative pressure cylinder.

Reference numbers and corresponding part names in the drawings:

601. the device comprises a material storage tank, 602, a negative pressure feeding device, 603, an installation base, 604, a receiving hopper, 605 and a first linear vibrator;

6021. negative pressure cylinder 6022, gate 6023, upper chamber 6024, lower chamber 6025, material conveying pipe 6026, air pump 6027, air-permeable pipe 6028, air pipe 6029, filter screen 60210, air-permeable net 60211 and receiving disc.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the invention. It should be noted that, for convenience of description, only the parts related to the present invention are shown in the drawings.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict. The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 and fig. 2, the negative pressure feeding system provided by the present invention comprises a storage tank 601 and a negative pressure feeding device 602; the storage tank 601 is used for storing materials to be loaded, and when the storage tank 601 is installed, the storage tank 601 can be directly installed on the ground through the rack, so that the materials to be loaded can be conveniently fed into the storage tank 601; the negative pressure loading attachment 602 is in adopting the negative pressure principle to send the material in the storage tank 601 into the storage vat of middle buffer tank or filling device or the lower charging tray of filling device, consequently, the utility model discloses when using, can be directly with negative pressure loading attachment 602 direct mount on material storage vat 601. The negative pressure feeding device 602 comprises a negative pressure barrel 6021, the negative pressure barrel 6021 is directly installed above a material storage barrel of an intermediate buffer tank or a filling device or a material discharging plate of the filling device, an openable gate 6022 is further arranged in the middle of the negative pressure barrel 6021, the inside of the negative pressure barrel 6021 is divided into an upper chamber 6023 and a lower chamber 6024 by the gate 6022, at this time, the upper chamber 6023 is an independent chamber, and the lower chamber 6024 is communicated with the material storage barrel 601 or the intermediate material barrel 701; the gate 6022 is an automatic switch valve which is directly used by the existing gate 6022, the negative pressure barrel 6021 is provided with a material conveying pipe 6025, one end of the material conveying pipe 6025 is communicated with the upper chamber 6023, and the other end of the material conveying pipe 6025 is connected with the material storage tank 601; the negative pressure charging device 602 further comprises an air pump 6026, and when the air pump 6026 rotates, the air pump 6026 evacuates the upper chamber 6023.

When the air pump 6026 evacuates the upper chamber 6023, the gate 6022 is closed, and the air pressure in the upper chamber 6023 is lower than the external atmospheric pressure, so that the material in the storage tank 601 can enter the upper chamber 6023 through the material conveying pipe 6025 according to the conservation of pressure, and after the material enters the upper chamber 6023, the air pump 6026 stops rotating, the material entering the negative pressure barrel 6021 loses suction, the gate 6022 is opened, and the material falls downward by gravity, so that the material is loaded, and finally, the material falling into the lower chamber 6024 directly falls into the storage barrel of the intermediate buffer tank or the filling device or the lower tray of the filling device.

As a further improvement of this embodiment, because there is a certain mounting height difference between the material storage tank 601 and the negative pressure cylinder 6021, when the material conveying pipe 6025 is mounted, two ends of the material conveying pipe 6025 need to be bent, and in order to reduce the processing difficulty and cost of the material conveying pipe 6025, the material conveying pipe 6025 can be connected with the negative pressure cylinder 6021 through a hose, so that the material conveying pipe 6025 is more conveniently connected while the material conveying is ensured.

As a further improvement of this embodiment, the present invention further includes a mounting base 603, when mounting, the mounting base 603 can be directly mounted on the ground, and the mounting base 603 is further provided with a receiving hopper 604, the receiving hopper 604 is located below the outlet end of the storage tank 601, but in order to prevent the material in the storage tank 601 from falling onto the receiving hopper 604 and then overflowing the receiving hopper 604, side baffles can be arranged on three sides of the receiving hopper 604, and the outlet of the storage tank 601 is lower than the side baffles; simultaneously, set material conveying pipe 6025 entrance point to loudspeaker form, make material conveying pipe 6025 the entrance point the same with the pipeline inlet end structure of dust catcher, connect the hopper 604 not set up the one end of side shield and insert in the entrance point of establishing material conveying pipe 6025, because the utility model discloses the volume of well auxiliary material loading at every turn is less, consequently, will connect hopper 604 and material conveying pipe 6025 entrance point to set to open the form and can not lead to the fact the influence to the material loading.

As a further improvement of this embodiment, the mounting base 603 is further provided with a first linear vibrator 605, the receiving hopper 604 is mounted in the first linear vibrator 605, and after the material in the storage tank 601 drops on the receiving hopper 604, the vibration of the first linear vibrator 605 not only allows the material in the receiving hopper 604 to be fed into the material conveying pipe 6025, but also allows the difference in the amount of the material entering the material conveying pipe 6025 at each time to be small by the vibration of the first linear vibrator 605, thereby improving the feeding effect.

As a further improvement of the embodiment, the negative pressure cylinder 6021 is further provided with a vent pipe 6027 which is communicated with the lower chamber 6024, the vent pipe 6027 communicates the lower chamber 6024 with the outside, so that the pressure in the lower chamber 6024 is kept consistent with the atmospheric pressure, the gate 6022 can rapidly release the pressure in the negative pressure cylinder 6021 when opened, and the material in the upper chamber 6023 can normally fall down; meanwhile, in order to prevent dust in the air from entering the lower chamber 6024 and polluting materials, the vent net 60210 may be further disposed on the vent tube 6027, so that the lower chamber 6024 is ensured to be communicated with the outside, and meanwhile, the dust is effectively prevented from entering the negative pressure barrel 6021, so that the feeding environment is cleaner and more sanitary.

As a further improvement of the embodiment, an air pipe 6028 is connected between the outlet end of the air pump 6026 and the upper chamber 6023, and the air pipe 6028 is positioned at the top of the upper chamber 6023 or at the upper end of the upper chamber 6023, so that the mounting height of the air pipe 6028 is higher than the height of the outlet end of the material conveying pipe 6025, and the material can enter the air pipe 6028 only by moving upwards after entering the upper chamber 6023, thereby increasing the difficulty of moving the material in the upper chamber 6023 and avoiding the material from entering the air pipe 6028; meanwhile, in order to completely prevent the material from entering the air pipe 6028, a filter screen 6029 may be further provided in the upper chamber 6023, the filter screen 6029 may be installed between the outlet end of the material conveying pipe 6025 and the inlet end of the air pipe 6028, and the diameter of the filter screen 6029 is smaller than that of the material, so that the material is isolated below the filter screen 6029 while the air passes through the filter screen 6029. In order to prevent materials from entering the air tube 6028, the filter screen 6029 may be directly installed at the inlet end of the air tube 6028, and this structure also serves as a material isolation, so that the installation position of the filter screen 6029 can be changed freely while ensuring that materials enter the air tube 6028.

As a further improvement of this embodiment, since the air pump 6026 sucks the material entering the upper chamber 6023 through the material conveying pipe 6025 onto the filter screen 6029 along with the air flowing during the process of evacuating the upper chamber 6023, even if the air pump 6026 is not operated and the gate 6022 is opened, the material may drop downward due to its own weight, but the material may be directly clamped on the filter screen 6029 during the sucking process, so that the material cannot directly drop off from the filter screen 6029, in order to solve the technical problem, in the utility model, a pulse back-blowing assembly may be further installed on the top of the upper chamber 6023 or on the air pipe 6028, specifically, when the filter screen 6029 is installed in the upper chamber 6023, the pulse back-blowing assembly is installed on the top of the negative pressure cylinder 6021, the air outlet end of the pulse back-blowing assembly is communicated with the interior of the upper chamber 6023, and when the filter screen 6029 is installed on the air pipe 6028, the pulse back-blowing assembly may be directly installed on the air pipe 6028. It should be noted that the pulse back-blowing assembly is directly used in the prior art, and the specific structure thereof includes a back-blowing air storage tank, a connecting pipeline, a pulse back-blowing valve and a back-blowing pipeline, wherein the pulse back-blowing valve is installed on the connecting pipeline, one end of the connecting pipeline is communicated with the back-blowing air storage tank, and the other end of the connecting pipeline extends into the upper chamber or the air pipeline. The utility model discloses in blow in the upper chamber 6023 or the air conduit 6028 of pulse blowback subassembly through the pulse blowback subassembly, make the air that the pulse blowback subassembly blew off use filter screen 6029 on to blow off the material that the card was established on filter screen 6029, wash filter screen 6029, avoid filter screen 6029 to cause the jam.

As a further improvement of this embodiment, the storage tank 601 is further provided with a material level observation window, and the material level observation window can be located at the lower end of the storage tank 601, and can also be arranged at the lower end and the middle part of the storage tank 601 at the same time, and the material level observation window is a transparent window, so that the staff can observe the material condition in the storage tank 601. The material level observation window is

As a further improvement of this embodiment, the negative pressure cylinder 6021 is formed by sequentially splicing a plurality of cylinder sections, so that the negative pressure cylinder 6021 can be designed to have a corresponding length according to actual conditions during production, but in order to ensure the sealing property in the upper chamber 6023, the upper chamber 6023 may be formed by jointly matching one cylinder section with a shutter, and in this case, the lower end of the negative pressure cylinder 6021 may be formed by sequentially splicing a plurality of cylinder sections.

As a further improvement of this embodiment, the lower end of the negative pressure cylinder 6021 is open, so that the negative pressure cylinder 6021 can be directly mounted above the storage barrel of the intermediate buffer tank or the filling device or the blanking plate of the filling device when mounted, and then the gate 6022 can be opened, and the material in the upper chamber 6023 can directly fall into the storage barrel of the intermediate buffer tank or the filling device or the blanking plate of the filling device after falling into the lower chamber 6024, so that the separate arrangement of the blanking device is not required, and the use is more convenient.

When materials need to be fed, the materials or auxiliary materials in the material storage tank 601 fall on the material receiving tray through self weight, the materials or auxiliary materials entering the material receiving tray enter the inlet end of the material conveying pipe 6025 through vibration of the first linear vibrator 605, the gate 6022 in the negative pressure cylinder 6021 is closed, so that the upper chamber 6023 forms a closed space, the air pump 6026 rotates forwards, the air pump 6026 sucks air in the upper chamber 6023 through the air pipe 6028, so that the upper chamber 6023 is in a negative pressure state, the air pressure in the upper chamber 6023 is smaller than the atmospheric pressure, according to the pressure conservation principle, the materials or auxiliary materials entering the inlet end of the material conveying pipe 6025 enter the upper chamber 6023 along the material conveying pipe 6025, after the materials or auxiliary materials enter the upper chamber 6023, the gate 6022 is opened, the upper chamber 6023 is communicated with the lower chamber 6024, the air pressure in the lower chamber 6023 is communicated with the lower chamber 6024 through the ventilation pipe 6027 communicated with the lower chamber 6024, so that the air pressure in the upper chamber 6023 and the middle material storage tank 6023 and the auxiliary materials fall down along with the back blowing filter screen or the back blowing device, and the material storage tank is filled with the material storage tank, and the back blowing device is performed by controlling the pulse valve assembly to reversely blowing back the material storage tank 6029.

In the whole feeding process, the material is only in an exposed state from the material storage tank 601 to the material receiving disc, so that the exposure time of the material is greatly shortened, and the safety of the material is effectively improved.

In the description of the present specification, reference to the description of "one embodiment/mode", "some embodiments/modes", "example", "specific example", or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the present application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.

Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

It will be understood by those skilled in the art that the foregoing embodiments are provided for clarity of description only, and are not intended to limit the scope of the invention. Other variations or modifications will occur to those skilled in the art based on the foregoing disclosure and are still within the scope of the invention.

Claims (9)

1. A negative pressure feeding system comprises a material storage tank (601) and a negative pressure feeding device (602) which are sequentially arranged along the material conveying direction of the negative pressure feeding system, wherein the negative pressure feeding device (602) comprises a negative pressure barrel (6021), the middle part of the negative pressure barrel (6021) is provided with an openable gate (6022), the inside of the negative pressure barrel (6021) is divided into an upper cavity (6023) and a lower cavity (6024) by the gate (6022), and the negative pressure barrel (6021) is provided with a material conveying pipe (6025) for communicating the material storage tank (601) with the upper cavity (6023); the negative pressure feeding device (602) also comprises an air pump (6026) for pumping air into the upper chamber (6023).

2. The negative-pressure feeding system according to claim 1, further comprising a mounting base (603), wherein a receiving hopper (604) is arranged on the mounting base (603), the outlet end of the storage tank (601) is positioned above the receiving hopper (604), the inlet end of the material conveying pipe (6025) is trumpet-shaped, and the outlet end of the receiving hopper (604) is inserted into the inlet end of the material conveying pipe (6025).

3. The negative-pressure feeding system according to claim 2, wherein the mounting base (603) is further provided with a first linear vibrator (605), and the receiving hopper (604) is mounted on the first linear vibrator (605).

4. The negative pressure charging system according to claim 1, characterized in that the negative pressure cylinder (6021) is further provided with a vent pipe (6027) communicated with the lower chamber (6024), and the vent pipe (6027) is further provided with a vent net (60210).

5. The negative pressure feeding system according to claim 1, wherein an air pipe (6028) is connected between the outlet end of the air pump (6026) and the upper chamber (6023), and a filter screen (6029) for isolating materials is arranged in the upper chamber (6023) or at one end of the air pipe (6028) connected with the upper chamber (6023).

6. The negative pressure feeding system of claim 1, wherein a pulse back blowing assembly is further installed on the top of the upper chamber (6023) or the air pipe (6028).

7. The negative pressure feeding system as claimed in claim 1, wherein the outlet end of the material conveying pipe (6025) is communicated with the upper chamber (6023) through a hose and a hose.

8. The negative pressure charging system as claimed in claim 1, wherein the negative pressure barrel (6021) is formed by sequentially splicing a plurality of barrel sections.

9. The negative pressure charging system as claimed in claim 1, wherein the lower end of the negative pressure cylinder (6021) is open.

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