CN108416922B

CN108416922B - Grain vending machine

Info

Publication number: CN108416922B
Application number: CN201810376412.3A
Authority: CN
Inventors: 薛亮; 宋楠; 董智理; 徐光建
Original assignee: Aucma Co Ltd
Current assignee: Aucma Co Ltd
Priority date: 2018-04-25
Filing date: 2018-04-25
Publication date: 2024-01-09
Anticipated expiration: 2038-04-25
Also published as: CN108416922A

Abstract

The invention discloses a grain vending machine. The vending machine comprises a grain storage cabinet and a vending mechanism; the grain storage cabinet comprises a plurality of storage boxes which are independently arranged, a weight detection mechanism corresponding to each storage box, and a grain conveying system for conveying grain in each storage box to the selling mechanism; wherein: each storage box is provided with a blanking opening, and a blanking control valve is arranged at the blanking opening; the grain conveying system is positioned below each storage box, and a grain feeding pipeline is respectively arranged on the conveying pipeline of the grain conveying system and corresponds to the blanking opening of each storage box; each grain feeding pipeline is respectively communicated with the conveying pipeline; the vending mechanism comprises a control panel, a weighing mechanism and a grain outlet; the control panel is connected with the blanking control valve, the weighing mechanism, the weight detection mechanism and the grain conveying system. The invention is convenient for simultaneously realizing the storage, automatic weighing and selling of the grain.

Description

Grain vending machine

Technical Field

The invention relates to a vending machine, in particular to a grain vending machine.

Background

At present, no special equipment for storing and selling granular grains is available in the market, supermarket or other places. The grains to be sold are usually placed in different boxes according to the types, the boxes are separated by a partition (such as a wooden partition), and an openable transparent glass cover is arranged at the opening of each box. The grain storage mode has short grain shelf life and is easy to get moldy due to moisture. In addition, when weighing granular grains, it is necessary for a weighing person to place the granular grains in a shopping bag and then weigh them. The method for weighing the grain by the weighing personnel has low working efficiency.

Disclosure of Invention

The invention aims to provide a grain vending machine so as to simultaneously store grain grains, automatically weigh and vend the grain grains. In order to achieve the above purpose, the present invention adopts the following technical scheme:

a grain vending machine, comprising a grain storage cabinet and a vending mechanism;

the grain storage cabinet comprises a plurality of storage boxes which are independently arranged, a weight detection mechanism corresponding to each storage box, and a grain conveying system for conveying grain in each storage box to the selling mechanism; wherein:

each storage box is provided with a blanking opening, and a blanking control valve is arranged at the blanking opening;

the grain conveying system is positioned below each storage box, and a grain feeding pipeline is respectively arranged on the conveying pipeline of the grain conveying system and corresponds to the blanking opening of each storage box; each grain feeding pipeline is respectively communicated with the conveying pipeline;

the vending mechanism comprises a control panel, a weighing mechanism and a grain outlet; wherein:

the control panel is connected with the blanking control valve, the weight detection mechanism, the weighing mechanism and the grain conveying system.

Among the above-mentioned technical scheme, granule cereal storage cabinet can realize depositing of granule cereal, sell the mechanism and then can realize automatic weighing, selling of granule cereal, greatly satisfied the requirement in places such as market or supermarket, need not the personnel of weighing.

Preferably, the storage box comprises a box cover and a box body, the box cover is in sealing connection with the box body, and the feed opening is formed in the bottom of the box body.

According to the technical scheme, the good sealing performance of the inside of the storage box can be ensured, and the preservation of granular grains is facilitated.

Preferably, the box cover comprises a box cover frame, box cover glass and a door seal, wherein an insulating layer is arranged in the box cover frame;

the case lid glass is installed on the case lid frame, and the door sealing strip is installed in the bottom of case lid frame.

According to the technical scheme, the heat preservation layer is arranged in the frame, so that a relatively constant storage environment can be provided for the storage box. The case lid glass conveniently demonstrates interior granule cereal of case, and the door seal guarantees the seal between case lid and the box.

Preferably, the box body comprises an inner side wall and an outer side wall, and the inner side wall is positioned on the inner side of the outer side wall;

an interlayer is arranged between the inner side wall and the outer side wall;

the weight detection mechanism is arranged in the interlayer and forms a support for the side wall of the inner layer.

In the technical scheme, the weight detection mechanism can monitor the weight of the grain in each box body. Meanwhile, the weight detection mechanism can also play a certain supporting role on the side wall of the inner layer.

Preferably, the lower parts of the inner side wall and the outer side wall are in a truncated cone shape, and the size of the transverse section is gradually reduced from top to bottom;

the weight detecting mechanism is positioned on the lower inclined surface of the outer side wall and forms a support for the lower inclined surface of the inner side wall.

Preferably, the box body further comprises a unidirectional ventilated membrane wrapped on the outer surface of the side wall of the inner layer, and the ventilation direction is from the inside of the side wall of the inner layer to the outside; the side wall of the inner layer is provided with ventilation holes.

Preferably, the grain conveying system further comprises at least one fan arranged on the conveying pipeline, and a filter screen is arranged at the air inlet of the conveying pipeline.

Preferably, the grain storage cabinet further comprises a refrigeration system and a drainage system, wherein a drainage pipeline of the drainage system is connected to the bottom of the interlayer;

the refrigerating system comprises an evaporator, a condenser, a compressor and a refrigerating pipeline, wherein the evaporator is arranged on the outer side of the box body.

The refrigeration system can provide a lower temperature storage environment for the tank body, and the drainage system can drain the condensation system generated in the interlayer, and in addition, the drainage system can balance the internal air pressure in the interlayer.

Preferably, the vending mechanism further comprises a packaging bag bar code mechanism, and the control panel is connected with the packaging bag bar code mechanism.

According to the technical scheme, the bar code can be automatically attached to the packaging belt according to the selection of a customer, and the customer can take the bar code by himself.

Preferably, sell the mechanism and still include screening mechanism and be located the debris storage space of screening mechanism below, control panel is connected with screening mechanism.

In the technical scheme, sand grains and the like mixed in the granular grains can be filtered out before weighing.

The invention has the following advantages:

the invention solves the problem of labor force of supermarket grain from commodity display, dehumidification, drying and cold storage of grain, to packing and stacking of grain, sand filtering and screening and automatic weighing, and simultaneously keeps grain dry and prolongs the preservation time.

Drawings

FIG. 1 is a schematic diagram of a grain vending machine according to the present invention;

FIG. 2 is a schematic structural view of a grain bin according to the present invention;

FIG. 3 is a schematic view of a vending mechanism of the present invention;

FIG. 4 is an internal structural view of the grain bin of the present invention;

FIG. 5 is a schematic view of the structure of the case cover of the present invention;

FIG. 6 is a schematic view of the structure of the case of the present invention;

FIG. 7 is a schematic diagram of a granular grain delivery system according to the present invention;

FIG. 8 is an internal block diagram of the vending mechanism of the present invention;

FIG. 9 is a schematic view of the installation of a ventilation valve in accordance with the present invention;

FIG. 10 is a schematic diagram of a bar code mechanism of a package bag according to the present invention;

FIG. 11 is a schematic diagram of a primary screening mechanism according to the present invention;

FIG. 12 is a side view of a primary screening mechanism of the present invention;

FIG. 13 is a schematic diagram of a secondary screening mechanism according to the present invention;

FIG. 14 is a schematic view of the installation of the weighing mechanism of the present invention;

the grain storage cabinet comprises a 1-grain storage cabinet, a 2-selling mechanism, a 3-storage box, a 4-weight detection mechanism, a 5-grain conveying system, a 6-blanking port, a 7-blanking control valve, an 8-conveying pipeline, a 9-grain feeding pipeline and a 10-control panel, wherein the first-order grain storage cabinet is arranged on the first-order grain storage cabinet;

11-weighing mechanisms, 12-box covers, 13-box bodies, 14-box body frames, 15-box cover glass, 16-door seals, 17-inner side walls, 18-outer side walls, 19-interlayers and 20-ventilation holes;

the device comprises a first fan A, a second fan B, a 23-drainage system, a 24-ventilation valve, a 25-operation panel, a 26-display panel, a 27-packaging bag bar code mechanism, a 28-screening mechanism, a 29-sundry storage space and a 30-connecting part, wherein the first fan A is connected with the second fan B;

31-one-way ventilated membrane, 32-drainage system, 33-plastic strip coil, 34-bar code printer, 35-brush, 36-upper and lower roller cylinder, 37-packaging bag, 38-bar code, 39-first-stage screening mechanism and 40-second-stage screening mechanism;

41-No. one gauze, 42-No. one box, 43-No. one fan, 44-No. two fans, 45-filter screen, 46-No. one discharge gate, 47-No. two box, 48-No. three fans, 49-No. two gauze, 50-No. two discharge gates, and 51-gravity sensing unit.

Detailed Description

The invention is described in further detail below with reference to the attached drawings and detailed description:

example 1

Referring to fig. 1 to 3, a grain vending machine comprises a grain storage bin 1 and a vending mechanism 2.

The grain storage cabinet is used for storing grain in places such as markets or supermarkets.

The selling mechanism can realize automatic weighing, selling and the like of the granular grains in the granular grain storage cabinet.

Through the cooperation of the two mechanisms, the problems of storage and automatic weighing and selling of grains can be greatly solved, so that the labor of weighing staff is saved, and the weighing efficiency of granular grains is greatly improved.

As shown in fig. 4 and 6, the grain storage cabinet 1 includes a plurality of storage boxes 3 arranged independently, a weight detecting mechanism 4 corresponding to each storage box, and a grain conveying system 5. Wherein:

the bins 3 are for storing grain of the grain type, each bin 3 being capable of storing a grain of the grain type.

The weight detecting means 4 can then be used to measure the weight of the granular grain currently in the bin 3.

A grain delivery system 5 for delivering grain from each bin to the vending mechanism 2.

Each storage box 3 is provided with a feed opening 6, and a feed control valve 7 is arranged at the feed opening 6.

The grain conveying system 5 is arranged below each storage box 3, and a grain feeding pipeline 9 is arranged on a conveying pipeline 8 of the grain conveying system 5 and corresponds to the blanking opening 6 of each storage box.

Each grain feed pipe 9 communicates with the conveying pipe 8, respectively. The blanking control valve 7 is opened, and grains in a certain storage box 3 fall through the blanking opening 6 and enter the conveying pipeline 8 through the corresponding grain feeding pipeline 9.

As shown in fig. 8, vending mechanism 2 includes a control panel 10, a weighing mechanism 11, and a granular grain outlet (not shown);

the control panel 10 is connected with the blanking control valve 7, the weight detection mechanism 4, the weighing mechanism 11 and the grain conveying system (electrical components in the system), and the blanking, weight detection, grain conveying, weighing and other processes are controlled by the control panel 10.

As shown in fig. 4, the storage box 3 includes a box cover 12 and a box body 13.

Wherein, the box cover 12 is in sealing connection with the box body 13, and the feed opening 6 is arranged at the bottom of the box body 13.

As shown in fig. 5, the lid 12 includes a lid rim 14, a lid glass 15, and a door seal 16.

Wherein, the heat preservation layer is arranged in the box cover frame 14, which can provide a relatively constant storage environment for the storage box.

The case cover glass 15 is mounted on the case cover frame to facilitate the display of the grain in the case.

The door seal 16 is installed at the bottom of the case cover frame 14 to ensure the sealing effect between the case cover 12 and the case body 13, prevent cold leakage, and prevent the external hot and humid air from entering the inside of the case body 13.

As shown in fig. 6, the case 13 includes an inner side wall 17 and an outer side wall 18, the inner side wall being located inside the outer side wall.

An interlayer 19 is provided between the inner side wall 17 and the outer side wall 18.

The inner side wall 17 is provided for holding grains.

The weight detecting means 4 is provided in the interlayer 19 and forms a support for the inner layer side wall 17.

In order to realize the support of the weight detection mechanism 4 to the inner side wall 17, the invention also carries out the following design:

the lower parts of the inner side wall 17 and the outer side wall 18 are both in a truncated cone shape, and the transverse cross section is gradually reduced from top to bottom.

The weight detecting mechanism 4 is located on the lower inclined surface of the outer layer side wall and forms a support for the lower inclined surface of the inner layer side wall.

In addition, the design of round platform shape is convenient for the cereal in the inlayer lateral wall 17 to drop through the feed opening.

The weight detecting means 4 in this embodiment can realize monitoring of the weight of the grain in each bin 13. Meanwhile, the weight detecting mechanism 4 can also play a certain supporting role on the side wall of the inner layer.

In addition, the box 13 further comprises a unidirectional ventilated membrane 31 wrapped on the outer surface of the inner side wall 17, and the ventilation direction is from the inside of the inner side wall 17 to the outside; the inner side wall 17 is provided with ventilation holes 20.

The provision of a unidirectional breathable film prevents moisture from the interlayer 19 from entering the inner side wall 17.

The ventilation holes 20 ensure good ventilation of the inner side wall 17.

In addition, a connecting portion 30 is provided between the upper portions of the inner side wall 17 and the outer side wall 18, and the connecting portion 30 may be made of, for example, a flexible material, so that the weight of grains in the inner side wall 17 is changed, and the grains are not torn off.

As shown in fig. 7, the particulate matter conveying system includes at least one fan mounted on the conveying pipe 8 in addition to the conveying pipe 8, and a plurality of grain feed passages 9 communicating with the conveying pipe.

Two fans, fan A21 and fan B22, are shown in FIG. 7. Wherein:

the first fan a 21 is disposed at the end (i.e., air inlet end) of the conveying pipe 8, and a filter screen 23 is installed at the air inlet of the conveying pipe 8 to prevent impurities from entering the conveying pipe 8.

A second fan B22 is provided at the other end of the conveying pipe 8 (i.e., the other end opposite to the first fan a 21).

Under the interaction of the two fans, the grains are caused to move in a certain direction inside the conveying pipeline 8.

As shown in fig. 4, the grain storage bin of the present embodiment further comprises a refrigeration system (not shown) and a drainage system 32 in order to ensure a relatively low preservation environment for the grains in each bin 3.

The refrigerating system includes an evaporator, a condenser, a compressor, a refrigerating pipeline, etc., and the evaporator is disposed at the outside of the cabinet 13 to ensure that the inside of the cabinet 13 is in a low temperature environment. The basic principle of a refrigeration system can be referred to the prior art.

The drain lines of the drain system 32 are connected to the bottom of each of the interlayers.

The main function of the drainage system 32 is to allow the condensed water generated in the interlayer 19 to flow out of the tank 13, and the water flowing out of the tank 13 enters the evaporation pan on the compressor and is naturally evaporated by the heat of the compressor.

The drain system 32 also serves to equalize the internal air pressure in the interlayer 19.

As shown in fig. 9, the storage box 3 further includes an air-permeable valve 24 provided at an opening of the box 13, a desiccant is provided in the air-permeable valve 24, and the interior of the box 13 communicates with the outside air through the air-permeable valve 24.

The ventilation valve 24 is used for balancing the air pressure inside and outside the box 13, dehumidifying and reducing the water vapor in the box.

As shown in fig. 8, the control panel 10 includes an operation panel 25 and an operation panel 26. Wherein:

the operation panel 25 provides a customer with a choice of the type, quantity or price of cereal required by the customer.

The display panel 26 is used to display the number of categories and prices of the grains selected by the customer.

When the grain quantity is too small, the weight detection mechanism 4 can transmit the information to the control panel 10, and the control panel 10 sends a signal to the background system to remind the supermarket to supplement.

In addition, the vending mechanism 2 further includes a package barcode mechanism 27 to which the control panel is connected. The packaging bag bar code mechanism 27 can automatically attach the bar code to the packaging belt according to the selection of a customer, and the customer can take the bar code.

As shown in fig. 10, the package barcode mechanism 27 includes a plastic bag roll 33, a barcode printer 34, a brush 35, and upper and lower roll cylinders 36. Wherein, the plastic bag roll 33 and the bar code printer 34 are both in the prior art.

The plastic tape roll 33 is used for outputting the packaging bag 37, the bar code printer 34 is used for printing bar codes 38, and the hairbrush 35 is positioned at the output port of the bar code printer 34 and is used for directly attaching the printed bar code paper to the packaging bag.

The package with the bar code paper is output by pressing through the middle of the upper and lower roller cylinders 36.

The bar code printer 34 prints bar codes on the plastic bag roll 33 according to the customer's input information. After the bar code is printed, the bar code paper printed by the thermal printer is directly attached to the packaging bag under the action of the brush 35, and the packaging bag is sent out by the rolling cylinder 36.

Of course, vending mechanism 2 also includes a screening mechanism 28 and a debris storage space 29 below screening mechanism 28, with a drop path between screening mechanism 28 and debris storage space 29. The control panel 10 is connected to a screening mechanism 28.

The grain transported by the grain transporting system 5 is first transported to the screening mechanism 28, and the screening mechanism 28 removes the impurities such as sand particles mixed in the grain, and then the weighing mechanism 11 automatically weighs the grain.

The screening mechanism 28 of the present invention may include, for example, a primary screening mechanism 39 and a secondary screening mechanism 40. Wherein the primary screening mechanism 39 and the secondary screening mechanism 40 are respectively used for screening impurities in the granular grains.

As shown in fig. 11 and 12, the primary screening mechanism 39 includes a first screen 41 (which may be, for example, a lightweight spun screen), a first tank 42, a first fan 43, a second fan 44, and a filter screen 45. Wherein:

a feed inlet is arranged at the upper part of the first box body 42, and the first gauze 41 is arranged at the feed inlet and connected with the conveying pipeline 8.

The first fan 43 is disposed on the upper portion of the inner sidewall of the first box 42 and below the feed inlet.

The second fan 44 is located at the bottom of the first box 42. The filter screen 45 is obliquely arranged in the first box 42, and the arrangement direction is obliquely arranged obliquely upwards from the bottom of the side wall where the first fan 43 is located.

The meshes of the filter screen 45 are gradually increased from bottom to top.

After the grain enters the primary screening mechanism 39, the fan number one 43 is started. The grains fall under the action of gravity, the full grains and small sand grains fall freely under the action of wind power of a fan, and the small sand grains fall into a sundry storage space through small meshes; the non-filled grains and grain scraps are blown away and fall into the sundry storage space through the big meshes.

After all of the grain has entered primary screening mechanism 39, fan number two 44 is activated to deliver the grain to secondary screening mechanism 40.

A first discharge port 46 is also provided at a lower portion of a certain side wall of the first case 42, and is opposite to the blowing direction of the second fan 44.

The grain passes through the first outlet 46 and into the secondary screening mechanism 40.

As shown in fig. 13 and 14, the secondary screening mechanism 40 includes a secondary housing 47, a tertiary fan 48, and a secondary screen 49 (e.g., a lightweight screen). Wherein, a feed inlet is arranged at the upper part of the second box 47.

The second gauze 49 is mounted at the feed inlet of the second case 47, and the third fan 48 is mounted at the top wall of the second case.

The third fan 48 is matched with the second fan 44 to realize that the grain falls into the bottom of the second box 47.

The bottom of the second box 47 is uniformly provided with a fine filter screen for further removing impurities in the granular grains.

A second discharge port 50 is provided at a lower portion of a certain side wall of the second case 47.

The weighing mechanism 11 of the present invention may include, for example, 5 gravity sensing units 51 to sense the weight of the falling cereal, and to confirm whether further cereal addition is required by comparison with customer demand data. After weighing, the grain weighed at the bottom of the secondary screening mechanism 40 is transported to the grain outlet through the passage by wind force.

Preferably, the 5 gravity sensing units are located at four corners and a center of the second case 47, respectively. The gravity sensing unit in the invention can adopt the gravity sensing unit existing in the prior art.

The installation sensing system that can be connected to the control panel 10 is also provided at the grain outlet, and may be, for example, a proximity switch or a photoelectric switch. When the customer places the plastic bag on the grain outlet, the grain automatically flows out.

The debris storage space 29 is used for storing debris such as sand particles, and needs to be treated periodically.

The foregoing description is, of course, merely illustrative of preferred embodiments of the present invention, and it should be understood that the present invention is not limited to the above-described embodiments, but is intended to cover all modifications, equivalents and alternatives falling within the spirit and scope of the present invention as defined by the appended claims.

Claims

1. The grain vending machine is characterized by comprising a grain storage cabinet and a vending mechanism;

the control panel is connected with the blanking control valve, the weighing mechanism, the weight detection mechanism and the grain conveying system;

the storage box comprises a box cover and a box body, the box cover is in sealing connection with the box body, a discharging opening is formed in the bottom of the box body, a ventilation valve is arranged at the opening of the box body, a drying agent is arranged in the ventilation valve, and the interior of the box body is communicated with the outside air through the ventilation valve;

the box body comprises an inner side wall and an outer side wall, wherein the inner side wall is positioned at the inner side of the outer side wall, and an interlayer is arranged between the inner side wall and the outer side wall;

the weight detection mechanism is arranged in the interlayer and forms a support for the side wall of the inner layer;

the box body comprises a unidirectional ventilated membrane wrapped on the outer surface of the inner side wall, the ventilation direction points to the outside from the inner side wall, and ventilation holes are formed in the inner side wall;

the vending mechanism further comprises a screening mechanism and a sundry storage space positioned below the screening mechanism, and the control panel is connected with the screening mechanism;

screening mechanism includes one-level screening mechanism and second grade screening mechanism, and one-level screening mechanism includes a gauze, a box, a fan, no. two fans and filter screen, wherein: the upper part of the first box body is provided with a feed inlet, and the first gauze is arranged at the feed inlet and connected with a conveying pipeline; the first fan is arranged at the upper part of the inner side wall of the first box body and below the feeding hole, and the second fan is arranged at the bottom of the first box body; the filter screen is obliquely arranged in the first box body, the arrangement direction is obliquely arranged from the bottom of the side wall where the first fan is positioned to the obliquely upper side, and the meshes of the filter screen are gradually increased from bottom to top;

a first discharge hole is further formed in the lower portion of one side wall of the first box body, the first discharge hole is opposite to the second fan in blowing direction, and the granular grains enter the second screening mechanism after passing through the first discharge hole;

the second-stage screening mechanism comprises a second box body, a third fan and a second screen, wherein the upper part of the second box body is provided with a feed inlet, the second screen is installed at the feed inlet of the second box body, the third fan is installed on the top wall of the second box body, the third fan is matched with the second fan and used for realizing that grain falls into the bottom of the second box body, the bottom of the second box body is uniformly provided with a filter screen for further removing impurities in the grain, and the lower part of one side wall of the second box body is provided with a second discharge outlet;

the weighing mechanism comprises 5 gravity sensing units, the weight of grains falls in a sensing mode, the 5 gravity sensing units are respectively located at four corners and the center of the second box body, whether grains need to be continuously added or not is confirmed through comparison with customer demand data, and after weighing is completed, grains weighed at the bottom of the secondary screening mechanism are conveyed to the grain outlet through wind force.

2. The granular cereal merchandiser of claim 1, wherein the lid comprises a lid frame, a lid glass, and a door seal, wherein the lid frame has a thermal insulation layer disposed therein;

3. The granular cereal vending machine of claim 2, wherein the lower portions of the inner and outer side walls are both frustoconical and the transverse cross-section decreases in size from top to bottom;

4. The granular cereal vending machine of claim 1, wherein the granular cereal conveying system further comprises at least one fan mounted to the conveying duct with a screen mounted at the air inlet of the conveying duct.

5. The grain vending machine of claim 1, wherein the grain bin further comprises a refrigeration system and a drain system, wherein a drain line of the drain system is connected to a bottom of the mezzanine;

6. The granular cereal vending machine of claim 1, wherein the vending mechanism further comprises a package bar code mechanism, the control panel being coupled to the package bar code mechanism.