CN210605886U

CN210605886U - Automatic vending machine based on PLC

Info

Publication number: CN210605886U
Application number: CN201921183987.XU
Authority: CN
Inventors: 李果; 蔺启贺; 姜广
Original assignee: Nanjing Tech University
Current assignee: Nanjing Tech University
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-05-22
Anticipated expiration: 2029-07-26

Abstract

The utility model discloses an automatic vending machine based on PLC, including casing and the lid door that can open, the direction distributes about the casing is inside has the baffle of multiunit, be provided with goods shelves on the baffle, be provided with a buffer gear on getting the shipment passageway of thing mouth upper end, buffer gear includes a running roller, the running roller on all have the blade that distributes and have the multiunit, be provided with the blotter on running roller and blade, the center of running roller is provided with the shaft hole, be provided with the fixed axle in one side of casing, the shaft hole cover of running roller is established on the fixed axle, the running roller can rotate on the fixed axle. Through the arrangement of the buffer mechanism of the roller blades, when an article falls on the buffer mechanism, the roller is driven to rotate through the impact of the gravity of the article, the article falls into the material taking port at the lower part of the shell, the article is prevented from being damaged, some fragile and non-pressure-resistant commodities can be sold, and the variety of goods sold is improved; by arranging the microwave oven, commodities needing to be heated such as lunch can be added into the vending machine, and the income of the vending machine can be improved.

Description

Automatic vending machine based on PLC

Technical Field

The invention relates to the field of vending machines, in particular to a vending machine based on a PLC.

Background

Vending machines are a completely new form of commercial retail, developing in japan and europe and the united states in the 20 th century in the 70's. It is also known as a 24-hour business micro supermarket. In japan, 70% of canned beverages are sold by vending machines; there are 50 million beverage dispensers distributed worldwide by the well known beverage merchant coca-cola company. In china, vending machines began to enter the domestic market in 1999 today, vending machines have bloomed through time in high traffic places such as airports, subways, shopping malls, parks, and campuses.

At present, vending machines widely appear in daily life of people, and can be seen in some districts, schools, office buildings and the like. The existing vending machine sells small and difficult-to-deform commodities such as beverages, milk and the like, the vending machine adopts a mode that a rotating disk is driven by the action of a motor to enable a spiral strip to rotate to push out articles, and for fragile commodities such as glass bottles and fruits, the types of commodity sales are limited.

Disclosure of Invention

The invention aims to overcome the problems and provides a PLC-based vending machine.

In order to achieve the purpose, the method adopted by the invention is as follows: a vending machine based on PLC comprises a shell and an openable cover door, wherein a plurality of groups of partition plates are distributed in the shell in the vertical direction, a goods shelf is arranged on each partition plate, a space between each goods shelf and the corresponding cover door forms a goods outlet channel, a goods taking opening is formed in the lower portion of the shell, each goods shelf is of a U-shaped groove structure, a conveying motor, a rotary disk and a spiral strip are arranged in each goods shelf, each conveying motor is connected with the corresponding spiral strip through the rotary disk, the rotary disk is driven by the action of the conveying motor to enable the spiral strip to rotate to push out goods, the conveying motor is controlled through a PLC, a buffer mechanism is arranged on the goods outlet channel at the upper end of each goods taking opening, each buffer mechanism comprises a roller wheel, a plurality of groups of blades are distributed on the roller wheels, buffer pads are arranged on the roller wheels and the blades, and shaft holes are formed in the, a fixed shaft is arranged on one side of the shell, a shaft hole of the roller is sleeved on the fixed shaft, and the roller can rotate on the fixed shaft.

As an improvement of the utility model, the outside of the shell is also provided with a microwave oven, the microwave oven is connected with the PLC controller through a microwave oven power supply control module.

As an improvement of the utility model the inside baffle that still is provided with of casing and lid door, the outermost end of blade and baffle between the clearance be less than 1 cm.

As an improvement of the utility model, the shaft hole of running roller one side on be provided with the draw-in groove, be provided with the connecting axle on the casing of this side, connecting axle and running roller adjacent one side on be provided with the lug of draw-in groove looks block, the connecting axle can the casing on control and remove, insert as the connecting axle in the shaft hole time, lug and draw-in groove looks block, the connecting axle rotates, drives the running roller and rotates, the rocking handle in the other end and the casing outside of connecting axle is connected.

As an improvement of the utility model, the microwave oven is fixed at the side part of the shell through the bracket.

As an improvement of the utility model, the system of the vending machine comprises a PLC controller, a microwave oven power supply control module, a display module input module and an alarm module.

Has the advantages that:

1. the utility model discloses a set up the buffer gear of running roller blade, when the article drops on buffer gear, through the impact of its gravity drive the running roller and rotate, drop article in the material taking port of casing lower part, can avoid the damage of article, can sell some fragile goods that do not resist compression, improved the variety of selling goods;

2. by arranging the microwave oven, commodities such as lunch and the like which need to be heated can be added into the vending machine, the income of the vending machine can be improved, and meanwhile, by connecting the microwave oven power supply module with the PLC, the microwave oven can be used only after the commodities are purchased, so that the microwave oven is prevented from being used excessively;

3. through setting up a manual operation mechanism who comprises rocking handle, connecting axle, when the running roller blocks and does not rotate, can manually rotate the running roller, take off article from buffer gear.

Drawings

FIG. 1 is an external overall structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is a schematic view of the structure of the pallet of the present invention;

FIG. 5 is a block diagram of the system architecture of the present invention;

FIG. 6 is a circuit diagram of the present invention;

fig. 7 is a main circuit wiring diagram of the present invention.

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific examples, which are carried out on the premise of the technical solution of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.

Example 1:

fig. 1 to 4 are mechanical structural diagrams of the PLC-based vending machine according to the present embodiment, and include a housing 1 and an openable cover door, and a display screen 2 is disposed on the cover door. A plurality of groups of partition plates 10 are distributed in the vertical direction in the shell 1, a goods shelf is arranged on the partition plates 10, a goods outlet channel is formed by the space between the goods shelf and the cover door, a goods taking opening 7 is arranged at the lower part of the shell 1, the goods shelf 12 is of a U-shaped groove structure, a conveying motor 13, a rotary disk 14 and a spiral strip 15 are arranged in the goods shelf 12, the conveying motor 13 is connected with the spiral strip 15 through the rotary disk 14, the conveying motor 13 acts to drive the rotary disk to rotate the spiral strip 15 to push out goods, the conveying motor 13 is controlled through a PLC (programmable logic controller), a buffer mechanism is arranged on the goods outlet channel at the upper end of the goods taking opening 7, the buffer mechanism comprises a roller 8, a plurality of groups of blades are distributed on the roller 8, buffer pads are arranged on the roller and the blades, and a shaft hole is arranged at the center of, a fixed shaft 9 is arranged on one side of the shell, a shaft hole of the roller is sleeved on the fixed shaft 9, and the roller 8 can rotate on the fixed shaft 9.

The microwave oven is characterized in that a microwave oven 3 is arranged outside the shell, and the microwave oven 3 is connected with the PLC through a microwave oven power supply control module. The microwave oven 3 is fixed to the side of the case 1 by a bracket 4.

The casing 1 and the cover door are also internally provided with a baffle plate 11, and the gap between the outermost end of the blade and the baffle plate 11 is smaller than 1 cm.

As shown in fig. 5, the system of the vending machine includes a PLC controller, a microwave oven power control module, a display module input module, and an alarm module. As shown in fig. 6 and 7, the system circuit is connected.

Example 2:

as a supplement to embodiment 1, in order to prevent an excessively light article from falling onto the buffer mechanism and not rotating the roller 8, a mechanism for manually rotating the roller 8 is added. The concrete structure is as follows: the shaft hole of one side of the roller wheel 8 is provided with a clamping groove 81, the shell 1 on the side is provided with a connecting shaft 6, one side of the connecting shaft 6 adjacent to the roller wheel 8 is provided with a convex block 61 clamped with the clamping groove 81, the connecting shaft 6 can move on the shell 1 left and right, when the connecting shaft 6 is inserted into the shaft hole, the convex block 61 is clamped with the clamping groove 81, the connecting shaft 6 rotates to drive the roller wheel 8 to rotate, and the other end of the connecting shaft 6 is connected with a rocking handle 5 outside the shell 1.

The utility model discloses a set up the buffer gear of running roller blade, when the article drops on buffer gear, through the impact of its gravity drive the running roller and rotate, drop article in the material taking port of casing lower part, can avoid the damage of article, can sell some fragile goods that do not resist compression, improved the variety of selling goods; by arranging the microwave oven, commodities such as lunch and the like which need to be heated can be added into the vending machine, the income of the vending machine can be improved, and meanwhile, by connecting the microwave oven power supply module with the PLC, the microwave oven can be used only after the commodities are purchased, so that the microwave oven is prevented from being used excessively; through setting up a manual operation mechanism who comprises rocking handle, connecting axle, when the running roller blocks and does not rotate, can manually rotate the running roller, take off article from buffer gear.

The technical means disclosed by the scheme of the invention are not limited to the technical means disclosed by the technical means, and the technical scheme also comprises the technical scheme formed by any combination of the technical characteristics. While the foregoing is directed to embodiments of the present invention, it will be appreciated by those skilled in the art that various changes may be made in the embodiments without departing from the principles of the invention, and that such changes and modifications are intended to be included within the scope of the invention.

Claims

1. Automatic vending machine based on PLC, including the casing and the lid door that can open, the direction distributes about the casing is inside has the baffle of multiunit, is provided with goods shelves on the baffle, goods shelves and lid door between the space constitute the shipment passageway the lower part of casing be provided with and get the thing mouth, goods shelves be a U type slot structure, be provided with conveying motor, rotary disk and spiral strip in goods shelves, conveying motor is connected with the spiral strip through the rotary disk, the action of conveying motor drives the rotary disk and makes the spiral strip rotatory release its characterized in that with article: the conveying motor is controlled through a PLC (programmable logic controller), a buffering mechanism is arranged on a goods outlet channel at the upper end of the goods taking port, the buffering mechanism comprises a roller wheel, a plurality of groups of blades are distributed on the roller wheel, buffering pads are arranged on the roller wheel and the blades, a shaft hole is formed in the center of the roller wheel, a fixed shaft is arranged on one side of the shell, the shaft hole of the roller wheel is sleeved on the fixed shaft, and the roller wheel can rotate on the fixed shaft.

2. The PLC-based vending machine of claim 1, wherein: the microwave oven is also arranged outside the shell and is connected with the PLC through a microwave oven power supply control module.

3. The PLC-based vending machine of claim 1, wherein: the casing and the cover door are also internally provided with baffles, and the clearance between the outermost end of the blade and the baffles is less than 1 cm.

4. The PLC-based vending machine of claim 1, wherein: the shaft hole of one side of the roller is provided with a clamping groove, the shell of the side of the roller is provided with a connecting shaft, one side of the connecting shaft adjacent to the roller is provided with a lug clamped with the clamping groove, the connecting shaft can move left and right on the shell, when the connecting shaft is inserted into the shaft hole, the lug is clamped with the clamping groove, the connecting shaft rotates to drive the roller to rotate, and the other end of the connecting shaft is connected with a rocking handle outside the shell.

5. The PLC-based vending machine of claim 2, wherein: the microwave oven is fixed on the side of the shell through a bracket.

6. The PLC-based vending machine of claim 2, wherein: the system of the vending machine comprises a PLC controller, a microwave oven power supply control module, a display module input module and an alarm module.