CN107481422B

CN107481422B - Grain vending machine

Info

Publication number: CN107481422B
Application number: CN201710748752.XA
Authority: CN
Inventors: 张江南
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-08-28
Filing date: 2017-08-28
Publication date: 2024-05-07
Anticipated expiration: 2037-08-28
Also published as: CN107481422A

Abstract

The invention discloses a grain vending machine, which comprises a case, a case door arranged at one side of the case and a grain storage bin arranged in the case, wherein a goods taking bin is arranged on the case door; the grain storage bin comprises a bin body, a feed inlet arranged at the upper part of the bin body and a weighing and discharging hopper arranged at the lower part of the bin body; a discharge hole is formed in the bottom of the weighing and discharging hopper, a discharge valve is arranged at the discharge hole, and a weight sensor is arranged in the weighing and discharging hopper; a discharging channel communicated with the goods taking bin is arranged below the discharging hole; the bin body is provided with a vacuumizing port which is communicated with a vacuum pump arranged in the case through a pipeline; the bin body is also provided with an air inlet, and an air inlet valve is arranged at the air inlet. The invention solves the problems of storage, fresh keeping and quality guarantee of grains in the vending machine, so that customers can purchase fresh grains at any time, the invention is more convenient and quick, and the waste of grain resources caused by improper storage can be avoided.

Description

Grain vending machine

Technical Field

The invention relates to the technical field of vending machines, in particular to a grain vending machine.

Background

The vending machine is a common commercial automation device, is not limited by time and place, and can save manpower and facilitate transaction. The most common automatic goods receiving machines are beverage automatic vending machines, snack automatic vending machines and the like, along with the development of the information society, people adapt to and pursue more convenient life modes, and accordingly, more kinds of automatic vending machines, such as egg automatic vending machines, fresh rice automatic vending machines and the like, are also appeared. The coarse cereals are traditional foods for Chinese, and are especially food indispensable for daily life of people in modern society advocating healthy diet and health maintenance. The types of grains are various, the grains are frequently eaten by people, such as rice, millet and various beans, and the like, and a common family stores some frequently eaten grains, but the storage space is large, some grains are not easy to store and are easy to deteriorate for a long time, and in the areas with high temperature in summer or moist environment, many grains are not easy to store, eating the deteriorated grains endangers the health of human bodies, and the grains are thrown away to cause waste. If the vending machine for vending the coarse cereals is arranged in a residential area, people can purchase the required fresh cereals at any time without storing a lot of fresh cereals in the home, so that the vending machine is convenient for people to live, is beneficial to human health and can avoid waste. However, the grain vending machine is required to store more grains and have larger quantity, and the first problem to be solved is how to store grains and how to keep the grains fresh and keep the quality of the grains in the vending machine.

Disclosure of Invention

The invention aims to provide a grain vending machine which can solve the problems of freshness preservation and quality guarantee of grains in the vending machine and can effectively improve the storage time of the grains.

In order to solve the technical problems, the invention adopts the following technical scheme:

the grain vending machine comprises a machine case, a box door arranged on one side of the machine case and a grain storage bin arranged in the machine case, wherein a goods taking bin is arranged on the box door;

The grain storage bin comprises a bin body, a feed inlet arranged at the upper part of the bin body and a weighing discharging hopper arranged at the lower part of the bin body, wherein a top cover is arranged at the feed inlet, and a sealing ring is arranged on the inner side edge of the top cover; a discharge hole is formed in the bottom of the weighing and discharging hopper, a discharge valve is arranged at the discharge hole, and a weight sensor is arranged in the weighing and discharging hopper; a discharging channel communicated to the goods taking bin is arranged below the discharging hole;

The bin body is provided with a vacuumizing port which is communicated with a vacuum pump arranged in the case through a pipeline; the bin body is also provided with an air inlet, and an air inlet valve is arranged at the air inlet.

The automatic grain vending machine is popularized and implemented, the quality guarantee problem of grains is solved firstly, because impurities exist in the grains, the storage time and the quality guarantee time are affected by the environment, different grains can be stored for different time under the same environment, and the grains are easier to get damp, mildew, grow insects and deteriorate in high-temperature weather and wet and rainy areas in summer, so that the storage time is shorter. If the grain storage problem cannot be solved, the vending machine cannot be popularized and applied.

In the technical scheme of the invention, various grains to be sold are placed in the grain storage bin, the vacuum pump is used for vacuumizing the bin, the grains are stored in a vacuum state, when a customer purchases the grains, the air inlet valve is opened, the air is fed into the bin, the weighing and discharging hopper is used for automatic weighing and discharging, and the bin is vacuumized after the discharging is finished, so that the primary problem of quality and freshness keeping of the sold grains is solved. Set up weight sensor in the hopper under weighing, can acquire the weight of storehouse cereal in real time, automatic control unloading weight when selling.

Preferably, the vacuum machine further comprises a main controller arranged in the machine case, and the main controller is respectively and correspondingly electrically connected with the vacuum pump, the air inlet valve and the blanking valve. The main controller is used for controlling all parts of the equipment, and realizing automatic vacuumizing, automatic air inlet, weighing and discharging of the grain storage bin.

Preferably, a display screen and a touch panel are arranged on the box door, and the display screen and the touch panel are respectively and correspondingly and electrically connected with the main controller. Man-machine interaction is realized through the display screen and the touch panel, and a customer performs commodity selection and online payment on an operation interface, so that the method is more convenient and quick.

Preferably, a wireless transmission module is arranged in the case, and the wireless transmission module is correspondingly and electrically connected with the main controller; the wireless transmission module is a GPRS module. When the grain storage amount in the vending machine is reduced to a preset value, the information is transmitted to a remote server through a wireless transmission module, and operation maintenance personnel can obtain the out-of-stock information in time to replenish the vending machine; when the vending machine fails, the wireless transmission module can also transmit the failure information to the remote server to inform operation maintenance personnel to overhaul the equipment.

Preferably, the wireless WIFI camera is arranged on the upper portion of the case, so that the service condition of the vending machine can be monitored remotely, and if an accident happens, the vending machine can be found out in time.

Preferably, a plastic bag box is arranged on the box door, and a food-grade plastic bag is placed in the plastic bag box, so that a customer can conveniently hold the purchased grains.

Preferably, the grain storage bin is made of 304 stainless steel, the bin body is integrally formed and easy to assemble and disassemble, and the grain storage bin can be cleaned regularly, so that impurities in grains are prevented from being reserved in the bin.

A plurality of grain storage bins can be arranged in one vending machine, and different grains are stored in each bin, so that the vending varieties are more diversified, and different demands of consumers are met. The lower part of the discharge hole of each grain storage bin is provided with a discharge channel communicated with the goods taking bin; the vacuumizing port of each grain storage bin is correspondingly communicated with the vacuum pump.

Preferably, the weighing and discharging hopper is conical, so that grains are easier to fall down, and discharging is more convenient.

Preferably, the rain-proof cover is arranged on the upper portion of the case, and when the vending machine is placed outdoors, the rain-proof cover can prevent rainwater from entering the case, and can also provide a rain-proof space for customers.

Preferably, be equipped with cereal show box on the chamber door, the outside box wall of cereal show box is transparent material, places the cereal sample of selling in the show box, and the consumer of being convenient for knows cereal type and variety more directly perceivedly.

The invention has the beneficial effects that:

According to the grain vending machine, the grain storage bin is vacuumized to store the sold grains, so that the grains are prevented from being vermin, damp and spoiled due to the high-temperature and humid environment outside, the quality of the grains is ensured, and the quality guarantee period of the grains is effectively prolonged. The invention solves the problems of storage, fresh keeping and quality guarantee of grains in the vending machine, so that customers can purchase fresh grains at any time, the invention is more convenient and quick, and the waste of grain resources caused by improper storage can be avoided.

Drawings

FIG. 1 is a schematic view showing the external structure of the grain vending machine of the present invention;

FIG. 2 is a schematic view showing the internal structure of the grain vending machine of the present invention;

FIG. 3 is a schematic view of the structure of a grain storage bin;

FIG. 4 is a schematic view of the structure of a plurality of grain bins arranged;

Reference numerals in the drawings: 1 is a case, 2 is a case door, 3 is a grain storage bin, 4 is a goods taking bin, 5 is a display screen, 6 is a touch panel, 7 is a camera, 8 is a plastic bag box, and 9 is a rain cover; 10 is a bin body, 11 is a weighing blanking hopper, 12 is a top cover, 13 is an air inlet valve, 14 is a discharge valve, 15 is a weight sensor, and 16 is a discharge channel; and 17 is a vacuum pump.

Detailed Description

The following examples are given to illustrate the invention in detail, but are not intended to limit the scope of the invention in any way. The device elements referred to in the following examples are conventional device elements unless otherwise specified.

Example 1: referring to fig. 1-4, the grain vending machine comprises a case 1, a case door 2 arranged on one side of the case 1, and a grain storage bin 3 arranged in the case 1, wherein a goods taking bin 4 is arranged on the case door 2. The grain storage bin 3 comprises a bin body 10, a feed inlet arranged at the upper part of the bin body 10 and a weighing and discharging hopper 11 arranged at the lower part of the bin body 10, wherein the weighing and discharging hopper 11 is conical. A top cover 12 is arranged at the feed inlet, a sealing ring is arranged on the inner side edge of the top cover 12, and the top cover 12 and the bin body 10 are in sealing connection after being covered together. The bin body 10, the top cover 12 and the weighing discharging hopper 11 of the grain storage bin are all made of 304 stainless steel, and the bin body 10 is integrally formed. A discharge hole is formed in the bottom of the weighing and discharging hopper 11, a discharge valve 14 is arranged at the discharge hole, and a weight sensor 15 is arranged in the weighing and discharging hopper 11; a discharging channel 16 communicated to the goods taking bin is arranged below the discharging hole. The bin body 10 is provided with a vacuumizing port which is communicated with a vacuum pump 17 arranged in the machine case through a pipeline; the bin body 10 is also provided with an air inlet, and an air inlet valve 13 is arranged at the air inlet.

The grain vending machine also comprises a main controller arranged in the case, and the main controller is respectively and correspondingly and electrically connected with the vacuum pump, the air inlet valve and the blanking valve; the box door 2 is provided with a display screen 5 and a touch panel 6, and the display screen 5 and the touch panel 6 are respectively and correspondingly and electrically connected with the main controller. A wireless transmission module is arranged in the case and is correspondingly and electrically connected with the main controller; the wireless transmission module is a GPRS module. A wireless WIFI camera 7 is arranged at the upper part of the case; a plastic bag box 8 is arranged on the box door, and a food-grade plastic bag is arranged in the plastic bag box 8. A rain cover 9 is arranged at the upper part of the case; the box door 2 is also provided with a grain display box, and the outer box wall of the grain display box is made of transparent materials.

Can set up a plurality of cereal storage bins in this cereal vending machine, set up 8 cereal storage bins in this embodiment, the evacuation mouth in every cereal storage bin all is connected with the vacuum pump, and the discharge channel of lower part all extends to getting the storehouse. Different types of grains are respectively placed in different grain storage bins, the grains are placed in the bin body through a feeding hole at the upper part, the top cover is sealed, the bin body is vacuumized through a vacuum pump, and the grains are stored in a vacuum state, so that quality and freshness keeping are realized. When a customer purchases grains, the customer performs man-machine interaction through the display screen and the touch panel, the type and the weight of the grains to be purchased are selected, after online payment is completed, the main controller controls the air inlet valve on the corresponding grain storage bin to be opened, air enters the bin body, the vacuum state is relieved, the blanking valve is controlled to start blanking, a weight sensor in the weighing blanking hopper acquires the weight of the grains in the bin body in real time, when the blanking weight is equal to the weight purchased by the customer, the blanking is stopped, the blanking valve and the air inlet valve are closed, the vacuum pump is started to vacuumize the bin body again, and therefore the grains are always in a vacuum environment in a non-blanking state. The cereal that goes out from the unloading valve gets into through the discharge channel and gets the storehouse, and the customer can take away cereal from taking the container or using the food bag of placing on the quick-witted case. When the weight of grains in the bin body monitored by the weight sensor is lower than a certain amount, the wireless transmission module sends information to the remote controller to inform operation maintenance personnel to supplement the grains.

While the invention has been described with reference to the embodiments, those skilled in the art will understand that various specific parameters in the above embodiments may be changed without departing from the spirit of the invention, and thus a plurality of specific embodiments are common variation ranges of the invention, and will not be described in detail herein.

Claims

1. The grain vending machine is characterized by comprising a machine case, a box door arranged at one side of the machine case and a grain storage bin arranged in the machine case, wherein a goods taking bin is arranged on the box door; the grain storage bin comprises a bin body, a feed inlet arranged at the upper part of the bin body and a weighing discharging hopper arranged at the lower part of the bin body, wherein a top cover is arranged at the feed inlet, and a sealing ring is arranged on the inner side edge of the top cover; a discharge hole is formed in the bottom of the weighing and discharging hopper, a discharge valve is arranged at the discharge hole, and a weight sensor is arranged in the weighing and discharging hopper; a discharging channel communicated to the goods taking bin is arranged below the discharging hole; the bin body is provided with a vacuumizing port which is communicated with a vacuum pump arranged in the case through a pipeline; the bin body is also provided with an air inlet, and an air inlet valve is arranged at the air inlet;

the vacuum pump, the air inlet valve and the blanking valve are respectively and correspondingly electrically connected;

the box door is provided with a display screen and a touch panel which are respectively and correspondingly and electrically connected with the main controller;

a wireless transmission module is arranged in the case and is correspondingly and electrically connected with the main controller; the wireless transmission module is a GPRS module.

2. The grain vending machine of claim 1, wherein a wireless WIFI camera is provided on an upper portion of the cabinet.

3. The grain vending machine of claim 1, wherein a plastic bag box is provided on the door, and a food grade plastic bag is placed in the plastic bag box.

4. The grain vending machine of claim 1, wherein the grain storage bin is 304 stainless steel.

5. The grain vending machine of claim 1, wherein the weigh down hopper is conical.

6. The grain vending machine of claim 1, wherein a rain cover is provided on an upper portion of the cabinet.

7. The grain vending machine of claim 1, wherein a grain display box is provided on the door, and an outer box wall of the grain display box is made of transparent material.