CN217008289U

CN217008289U - Goods delivery device

Info

Publication number: CN217008289U
Application number: CN202123233109.4U
Authority: CN
Inventors: 李新峰
Original assignee: Suzhou Fengxing Drive Equipment Co ltd
Current assignee: Suzhou Fengxing Drive Equipment Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-07-19
Anticipated expiration: 2031-12-21

Abstract

The utility model relates to a delivery device, comprising: the automatic material distributing device comprises a rack, a material bin, a material distributing roller and a driving mechanism, wherein a goods outlet is formed in the rack; the storage bin is arranged on the rack and used for storing a plurality of stacked commodities, and a discharge hole is formed between the rack and the bottom of the storage bin; the distributing roller is rotatably arranged on the rack and is positioned at the bottom of the storage bin, and commodities on the bottommost layer can be borne on the distributing roller; the driving mechanism is in transmission connection with the distributing roller and is used for driving the distributing roller to rotate so as to enable the distributing roller to drive commodities on the bottommost layer to be moved out of the stock bin through the discharge port and leave the discharging device through the discharging port in a friction mode. The commodity range of the application of the delivery device is wider, the delivery device can be suitable for ultrathin and small flaky commodities, can also be suitable for thicker flexible commodities, and has the advantages of simple structure, small size, low cost, high delivery efficiency and high delivery stability.

Description

Goods delivery device

Technical Field

The utility model relates to the technical field of unmanned vending, in particular to a delivery device.

Background

The existing goods discharging device on the market generally adopts a sucking disc or a spiral spring as a goods discharging mechanism for driving goods to move out of a stock bin, and the sucking disc type goods discharging mechanism has the defect of complex structure; the spiral spring type goods discharging mechanism is easy to clamp goods during working, in addition, a scheme of adopting a synchronous belt or gear transmission is adopted as a goods discharging mechanism for driving goods to move out of a storage bin at present, the synchronous belt or gear transmission type goods discharging mechanism generally adopts a single roller or double rollers, and the goods application range is small.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model provides the delivery device which is simple in structure, wide in application range, high in delivery efficiency and delivery stability.

A shipping apparatus comprising:

the automatic loading and unloading device comprises a rack, wherein a goods outlet is formed in the rack;

the storage bin is arranged on the rack and used for storing a plurality of stacked commodities, and a discharge hole is formed between the rack and the bottom of the storage bin;

the distributing roller is rotatably arranged on the rack and is positioned at the bottom of the storage bin, and the commodities at the bottommost layer can be borne on the distributing roller; and

the driving mechanism is in transmission connection with the distributing roller and is used for driving the distributing roller to rotate so as to enable the distributing roller to drive the commodities at the bottommost layer to be frictionally driven to move out of the storage bin through the discharge port and leave the goods outlet through the goods outlet.

In one embodiment, the driving mechanism comprises a driving wheel, a driven wheel, a track and a driving piece, the driving wheel, the driven wheel, the track and the driving piece are all arranged in the frame, and the driven wheel is arranged opposite to the driving wheel; the crawler belt is sleeved on the driving wheel and the driven wheel, and the distributing roller is supported on the crawler belt; the driving part is connected with the driving wheel and used for driving the driving wheel to rotate in a first direction, so that the driving wheel drives the crawler to move, the crawler drives the driven wheel to rotate in the first direction, and meanwhile, the crawler is used for driving the distributing roller to rotate in a second direction opposite to the first direction in a friction mode.

In one embodiment, the number of the distributing rollers is multiple, and the distributing rollers are arranged on the track at intervals.

In one embodiment, the plurality of material distribution rollers comprise a first material distribution roller and a second material distribution roller, the first material distribution roller is located between the driving wheel and the driven wheel, the second material distribution roller is located on one side of the goods outlet, the first material distribution roller is used for driving the commodities at the bottommost layer to move out of the storage bin through the material outlet and move towards the direction close to the goods outlet in a friction mode, and the second material distribution roller is used for driving the commodities conveyed by the first material distribution roller to leave the goods outlet through the goods outlet.

In one embodiment, the driving wheel is arranged near the goods outlet, the first distribution roller abuts against one end, in the right side, of the crawler belt, which is in contact with the driving wheel, and the second distribution roller abuts against one end, in the left side, of the crawler belt, which is in contact with the driving wheel.

In one embodiment, the distributing roller can float up and down relative to the bracket, so that the distributing roller is in close contact with the crawler belt under the self-gravity of the distributing roller and the downward pressing action of the commodities.

In one embodiment, the driving mechanism further comprises a supporting roller, the supporting roller is rotatably arranged on the rack and is located between the driving wheel and the driven wheel, the crawler belt is overlapped on the supporting roller, and the crawler belt is located between the distributing roller and the supporting roller.

In one embodiment, the driving mechanism further includes a first adjusting assembly and a second adjusting assembly, the first adjusting assembly is disposed in the frame, the first adjusting assembly includes a first guide pillar, a first elastic member, a first driving plate and a first push shaft, the first elastic member is sleeved on the first guide pillar, the first guide pillar is provided with a first sliding groove, and two sides of the first driving plate are respectively provided with a first concave hole and a second concave hole;

the second adjusting assembly is arranged in the rack and comprises a second guide pillar, a second elastic piece, a second transmission plate and a second push shaft, the second elastic piece is sleeved on the second guide pillar, a second sliding groove is formed in the second guide pillar, and a third concave hole and a fourth concave hole are formed in two sides of the second transmission plate respectively;

first push shaft passes in proper order first shrinkage pool first spout the second spout reaches the third shrinkage pool, just first push shaft can support respectively the top first elastic component with the second elastic component, the second push shaft passes in proper order the second shrinkage pool from the driving wheel reaches the fourth shrinkage pool, first elastic component with the second elastic component can rely on the elasticity of self to drive respectively first push shaft removes, with through first push shaft drives first transmission board with the second transmission board removes, thereby passes through first transmission board with the second transmission board drives the second push shaft removes, and then passes through the second push shaft drives from the driving wheel removal, so that the track respectively with the action wheel with the surface from the driving wheel closely laminates.

In one embodiment, the driving wheel and/or the driven wheel are provided with driving teeth, and the track is provided with a hollowed-out part, and the driving teeth can be matched with the hollowed-out part to drive the track to move.

In one embodiment, the delivery device further comprises a sensing component, the sensing component is arranged near the delivery port, and the sensing component is used for sending a delivery signal when sensing that the distribution roller rubs to drive the commodity to leave the delivery device through the delivery port.

The application provides a delivery device, a delivery port is arranged on a rack, a discharge port is arranged between the rack and the bottom of a bin, the commodity at the bottommost layer can be borne on a distributing roller, when a driving mechanism drives the distributing roller to rotate, friction force is formed between the distributing roller and the commodity at the bottommost layer, the distributing roller can drive the commodity at the bottommost layer to move out of the bin through the discharge port and leave the delivery device through the delivery port under the action of the friction force, and the commodity above the bottommost layer is still limited in the bin and cannot move along with the commodity at the bottommost layer at the moment, so that the delivery device can better overcome the surface tension between two adjacent layers of commodities by matching the distributing roller and the bin, a plurality of stacked commodities are taken out of the bin one by one and leave the delivery device through the delivery port to finish the delivery of the commodity, the application range of the commodity of the delivery device is wider, the flexible commodity shelf is suitable for both ultrathin and small flaky commodities and thicker flexible commodities, and has the advantages of simple structure, small size, low cost, high delivery efficiency and high delivery stability.

Drawings

FIG. 1 is a schematic diagram of an embodiment of a combination of a shipping device and an article of merchandise;

FIG. 2 is a partial schematic view of the delivery device of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the shipment device of FIG. 1 in combination with an article of merchandise;

FIG. 4 is a partial schematic view of the shipping device shown in FIG. 1 from another perspective;

FIG. 5 is an enlarged schematic view at A in FIG. 4;

FIG. 6 is a schematic diagram of the inclination of the bin baffles in one embodiment.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

As shown in fig. 1, the present application provides a cargo discharging device 10, where the cargo discharging device 10 includes a rack 100, a bin 200, a material distribution roller 300, and a driving mechanism 400, a cargo outlet 110 is provided on the rack 100, the bin 200 is disposed on the rack 100, the bin 200 is used for receiving a plurality of stacked commodities 20, a material outlet 120 is provided between the rack 100 and the bottom of the bin 200, the material distribution roller 300 is rotatably disposed on the rack 100 and is located at the bottom of the bin 200, and the commodity 20 at the bottom layer can be borne on the material distribution roller 300; the driving mechanism 400 is in transmission connection with the distributing roller 300, and the driving mechanism 400 is used for driving the distributing roller 300 to rotate, so that the distributing roller 300 rubs to drive the bottommost commodity 20 to move out of the bin 200 through the discharge hole 120 and leave the delivery device 10 through the delivery hole 110.

In the delivery device 10 provided by the present application, the frame 100 is provided with the delivery port 110, the discharge port 120 is arranged between the frame 100 and the bottom of the bin 200, the lowermost commodity 20 can be supported on the distributing roller 300, when the driving mechanism 400 drives the distributing roller 300 to rotate, a friction force is formed between the distributing roller 300 and the lowermost commodity 20, the distributing roller 300 can drive the lowermost commodity 20 to move out of the bin 200 through the discharge port 120 and leave the delivery device 10 through the delivery port 110 under the action of the friction force, and at this time, the commodity 20 above the lowermost layer is still limited in the bin 200 and cannot move along with the lowermost commodity 20, so that the delivery device 10 can better overcome the friction force between two adjacent layers of commodities 20 through the mutual cooperation of the distributing roller 300 and the bin 200, so as to realize that a plurality of stacked commodities 20 are taken out of the bin 200 one by one and leave the delivery device 10 through the delivery port 110, the shipment of the commodity 20 is completed, and the shipment device 10 is applicable to a wider range of commodities, and is applicable to both ultrathin and small sheet commodities and thick flexible commodities, and has the advantages of simple structure, small size, low cost, and high shipment efficiency and shipment stability.

In this embodiment, as shown in fig. 6, in the shipping apparatus 10 provided by the present application, the discharge hole 120 is disposed between the rack 100 and the bottom of the bin 200, the baffle 210 on the bin 200 can be set to an inclined angle, and the inclined angle of the baffle 210 can be changed by the baffle or set to a required inclined angle according to the actual size of the commodity, so that the contact portion between the baffle 210 and the commodity 20 is more favorable for the separation between the commodity and the commodity, and the material is not easily jammed and stopped, and the bin 200 is more easily moved out of the discharge hole 120 and leaves the shipping apparatus 10 through the shipment hole 110.

Furthermore, the baffle 210 on the discharge port 120 in this application may be fixedly connected or movably connected with the storage bin 200.

As shown in fig. 2 and 3, the driving mechanism 400 includes a driving wheel 410, a driven wheel 420, a track 430 and a driving element 440, the driving wheel 410, the driven wheel 420, the track 430 and the driving element 440 are all disposed in the frame 100, and the driven wheel 420 is disposed opposite to the driving wheel 410; the caterpillar band 430 is sleeved on the driving wheel 410 and the driven wheel 420, and the distributing roller 300 is supported on the caterpillar band 430; the driving member 440 is connected to the driving wheel 410, and the driving member 440 is configured to drive the driving wheel 410 to rotate in a first direction, so as to drive the caterpillar 430 to move via the driving wheel 410, and thus drive the driven wheel 420 to rotate in the first direction via the caterpillar 430, and simultaneously drive the distributing roller 300 to rotate in a second direction opposite to the first direction via friction of the caterpillar 430.

Specifically, when the driving member 440 drives the driving wheel 410 to rotate in a first direction, the driving wheel 410 drives the track 430 to move, the track 430 drives the driven wheel 420 to rotate in the first direction, meanwhile, the caterpillar 430 drives the material-distributing roller 300 to rotate in a second direction opposite to the first direction by the friction force between the caterpillar 430 itself and the material-distributing roller 300, when the distributing roller 300 is driven by the friction of the caterpillar 430 to rotate in the second direction, a friction force is formed between the distributing roller 300 and the bottom-most commodity 20, and at this time, the distributing roller 300 drives the bottom-most commodity 20 to move out of the bin 200 through the discharge port 120 and leave the delivery device 10 through the delivery port 110 under the friction force between the distributing roller 300 and the bottom-most commodity 20, at this time, the commodities 20 above the bottommost layer are still limited in the bin 200 and cannot move along with the commodities 20 at the bottommost layer, so that the purpose of normal delivery of the commodities 20 is achieved.

It should be noted that, for the sake of understanding, in the present embodiment, the first direction is defined as a clockwise direction in fig. 2, and the second direction is defined as a counterclockwise direction in fig. 2. In particular, the merchandise 20 can also be partially carried on the rack 100 to enhance the stability of placement of the merchandise 20 within the bin 200.

Further, when the driving member 440 drives the driving wheel 410 to rotate in the first direction, the driving wheel 410 drives the track 430 to move, the track 430 drives the driven wheel 420 to rotate in the first direction, and the front and rear positions of the driving wheel 410 and the driven wheel 420 can be adjusted according to actual requirements, which is not limited herein.

The distributing roller 300 can float up and down relative to the bracket, so that the distributing roller 300 is in close contact with the crawler belt 430 under the action of the gravity of the distributing roller 300 and the downward pressing of the commodities 20, and the reliability of transmission between the crawler belt 430 and the distributing roller 300 is improved.

Further, the quantity of branch material roller 300 is a plurality of, and a plurality of branch material rollers 300 intervals are arranged on track 430, through adopting the scheme of a plurality of branch material rollers 300 linkages, and drive power is stronger, and stability is higher, is favorable to promoting commodity 20's shipment stability.

As shown in fig. 2 and 3, the plurality of material distribution rollers 300 includes a first material distribution roller 310 and a second material distribution roller 320, the first material distribution roller 310 is located between the driving wheel 410 and the driven wheel 420, the second material distribution roller 320 is located at one side of the output port 110, the first material distribution roller 310 is used for frictionally driving the lowermost product 20 to move out of the bin 200 through the output port 120 and towards a direction close to the output port 110, and the second material distribution roller 320 is used for frictionally driving the product 20 conveyed by the first material distribution roller 310 to leave the output device 10 through the output port 110, so as to prevent the product 20 from being jammed, and further improve the output stability of the product 20.

Specifically, in the present embodiment, the driving wheel 410 is disposed near the goods outlet 110, the first dispensing roller 310 abuts against one end of the caterpillar 430 on the right side of the driving wheel 410, and the second dispensing roller 320 abuts against one end of the caterpillar 430 on the left side of the driving wheel 410.

Further, the driven wheel 420 is disposed at one end of the cargo outlet 110, and the second dispensing roller 320 abuts against the right end of the track 430 and the driven wheel 420.

The first distribution roller 310 can float up and down relative to the bracket, so that the first distribution roller 310 is in close contact with one end of the crawler 430, which is far away from the driving wheel 410, under the action of self gravity and the downward pressure of the commodities 20, the first distribution roller 310 is supported against one end of the crawler 430, which is far away from the driving wheel 410, the crawler 430 transmits the power acquired by the driving wheel 410 to the first distribution roller 310 through the friction effect between one end of the crawler 430, which is far away from the driving wheel 410, and the first distribution roller 310 obtains the rotating power, and the rotating motion and the friction effect of the first distribution roller 310 drive the commodities 20 at the bottommost layer to move out of the bin 200 through the discharge port 120 and move towards the direction close to the cargo outlet 110.

The second distribution roller 320 can float up and down relative to the bracket, so that the second distribution roller 320 is in close contact with one end of the caterpillar 430, which is in contact with the driving wheel 410, under the action of self gravity and the downward pressure of the commodities 20, the second distribution roller 320 is supported against one end of the caterpillar 430, which is in contact with the driving wheel 410, the caterpillar 430 transmits the power, which is obtained by the driving wheel 410, to the second distribution roller 320 through the friction effect between one end of the caterpillar 430, which is in contact with the driving wheel 410, and the second distribution roller 320 obtains the rotating power, and the commodities 20 conveyed by the first distribution roller 310 are driven by the rotating motion and the friction effect of the second distribution roller 320 to leave the delivery device 10 through the delivery port 110.

Further, the number of the first distribution roller 310 and the second distribution roller 320 may be multiple, in this embodiment, the number of the first distribution roller 310 is multiple, and the number of the second distribution roller 320 is one, in other embodiments, the number of the first distribution roller 310 and the second distribution roller 320 may be reasonably selected according to actual situations.

The distributing roller 300 is made of a flexible material with a large friction force, so as to increase the friction force between the distributing roller 300 and the commodities 20 and the caterpillar 430, and prevent the commodities 20 from being scratched by the distributing roller 300. Further, the outer side wall of the distributing roller 300 is provided with an anti-slip structure to further increase the friction force between the distributing roller 300 and the goods 20 and the caterpillar 430, and the anti-slip structure may be anti-slip stripes, anti-slip grid lines or other shapes of anti-slip patterns.

As shown in fig. 2 and 3, the driving mechanism 400 further includes a support roller 450, the support roller 450 is rotatably disposed on the frame 100 and located between the driving wheel 410 and the driven wheel 420, the track 430 is overlapped on the support roller 450, and the track 430 is located between the material distributing roller 300 and the support roller 450. The supporting rollers 450 can provide a certain auxiliary supporting effect for the crawler 430, so as to further ensure that the distribution roller 300 is in close contact with the crawler 430 under the self-gravity of the distribution roller 300 and/or the pressing-down effect of the goods 20, and improve the reliability of the transmission between the crawler 430 and the distribution roller 300.

The number of the supporting rollers 450 is plural, and the plural supporting rollers 450 are provided at intervals between the driving wheel 410 and the driven wheel 420 in order to achieve more reliable support of the crawler 430.

The support rollers 450 can float up and down with respect to the bracket to maintain stable support of the caterpillar track 430, so that the distribution roller 300 can be brought into close contact with the caterpillar track 430 under the self-gravity of the distribution roller 300 and the downward pressing of the goods 20, thereby improving the reliability of the transmission between the caterpillar track 430 and the distribution roller 300. In this embodiment in particular, the end of the track 430 remote from the drive wheel 410 overlaps the support roller 450.

In one embodiment, the caterpillar 430 is a woven belt, which can keep a thinner thickness while meeting the strength requirement, thereby being beneficial to improving the space utilization rate of the driving mechanism 400; meanwhile, the cost of the webbing is low, so that the large-scale popularization and application of the driving mechanism 400 are facilitated.

As shown in fig. 2, the driving wheel 410 is provided with a driving tooth 412, and the track 430 is provided with a hollow portion 432, and the driving tooth 412 can cooperate with the hollow portion 432 to drive the track 430 to move. In the transmission process of the driving wheel 410, the driving teeth 412 penetrate through the hollow part 432, so that the transmission reliability is improved, and compared with the friction transmission of the toothless lean track 430 and the driving wheel 410, the problem of slippage of the track 430 is greatly reduced. In one embodiment, it is preferable that the driving wheel 410 is provided with a plurality of driving teeth 412 arranged at regular intervals on the periphery; in an alternative embodiment, driven wheel 420 is provided with drive teeth 412.

Further, the cross-sectional shapes of the driving teeth 412 of the driving wheel 410 and the driven wheel 420 are both trapezoidal, and the trapezoidal cross-sectional shape of the driving teeth 412 not only can prevent the caterpillar band 430 from slipping, but also can prevent the caterpillar band 430 from deviating in the operation process.

The driving member 440 may be a motor, the driving member 440 is embedded in the driving wheel 410, and the driving member 440 is embedded in the driving wheel 410, that is, the driving member 440 adopts a concealed installation manner, so that the installation space occupied by the driving member 440 can be effectively reduced.

As shown in fig. 4 and 5, the driving mechanism 400 further includes a first adjusting assembly 460 and a second adjusting assembly, the first adjusting assembly 460 is disposed in the frame 100, the first adjusting assembly 460 includes a first guide post 461, a first elastic element 462, a first transmission plate 463 and a first push shaft 464, the first elastic element 462 is sleeved on the first guide post 461, the first guide post 461 is provided with a first sliding slot 4612, and two sides of the first transmission plate 463 are respectively provided with a first concave hole 4632 and a second concave hole 4634; the second adjusting assembly is arranged in the rack 100 and comprises a second guide pillar, a second elastic piece, a second transmission plate and a second push shaft 470, the second elastic piece is sleeved on the second guide pillar, a second chute is formed in the second guide pillar, and a third concave hole and a fourth concave hole are formed in two sides of the second transmission plate respectively; first push shaft 464 passes first shrinkage pool 4632 in proper order, first spout 4612, second spout and third shrinkage pool, and first push shaft 464 can support first elastic component 462 and second elastic component respectively, second push shaft 470 passes second shrinkage pool 4634 in proper order, from driving wheel 420 and fourth shrinkage pool, first elastic component 462 and second elastic component can rely on the elasticity of self to drive first push shaft 464 respectively and remove, in order to drive first transmission board 463 and second transmission board removal through first push shaft 464, thereby drive second push shaft 470 through first transmission board 463 and second transmission board and remove, and then drive from driving wheel 420 through second push shaft 470 and remove, so that track 430 closely laminates with the surface of driving wheel 410 and follow driving wheel 420 respectively. The elastic driving action of the first elastic element 462 and the second elastic element can provide stable and continuous tension force to the crawler 430, so that the crawler 430 is closely attached to the outer surfaces of the driving wheel 410 and the driven wheel 420, and thus the crawler 430 does not slip in the transmission process, and sufficient friction force is maintained between the crawler 430 and the distributing roller 300, thereby improving the reliability of transmission.

As shown in fig. 1 and fig. 3, the cargo discharging device 10 further includes a sensing component 500, the sensing component 500 may be a photoelectric sensing switch, a micro switch or an electromagnetic sensing switch, the sensing component 500 is disposed near the cargo discharging opening 110, and the sensing component 500 is configured to send a cargo discharging signal when sensing that the material distributing roller 300 rubs to drive the goods 20 to leave the cargo discharging device 10 through the cargo discharging opening 110.

Specifically, when the distributing roller 300 frictionally drives the commodity 20 to leave the discharging device 10 through the discharging port 110, the commodity 20 will trigger the sensing assembly 500, at this time, the sensing assembly 500 will send a discharging signal, and when the discharging port 110 outputs one commodity 20, the sensing assembly 500 will correspondingly send a discharging signal, and the operator can judge the discharging amount of the commodity 20 of the discharging device 10 by counting the times of the discharging signal sent by the sensing assembly 500.

Specifically, in the present embodiment, the cargo outlet 110 is disposed at one end of the rack 100, and the sensing assembly 500 is disposed at one end of the cargo outlet 110.

The cargo discharging device 10 further comprises a control component electrically connected with the driving member 440, and the control component is used for controlling the start and stop of the driving member 440. The sensing assembly 500 is electrically connected with the control assembly, the sensing assembly 500 can send a delivery signal to the control assembly when sensing that the distributing roller 300 rubs to drive the commodity 20 to leave the delivery device 10 through the delivery port 110, and the control assembly can send a control instruction to the driving member 440 when receiving the delivery signal sent by the sensing assembly 500, so that the driving member 440 is controlled to stop, and the stable delivery of the commodity 20 leaving the delivery device 10 from the delivery port 110 at present is ensured.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only express preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the utility model, and these changes and modifications are all within the scope of the utility model. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A shipping device, comprising:

the distributing roller is rotatably arranged on the rack and is positioned at the bottom of the storage bin, and the commodity at the bottommost layer can be borne on the distributing roller; and

2. The discharging device according to claim 1, wherein the driving mechanism comprises a driving wheel, a driven wheel, a crawler and a driving member, the driving wheel, the driven wheel, the crawler and the driving member are all arranged in the frame, and the driven wheel is arranged opposite to the driving wheel; the crawler belt is sleeved on the driving wheel and the driven wheel, and the distributing roller is supported on the crawler belt; the driving part is connected with the driving wheel and used for driving the driving wheel to rotate in a first direction, so that the driving wheel drives the crawler to move, the crawler drives the driven wheel to rotate in the first direction, and meanwhile, the crawler is used for driving the distributing roller to rotate in a second direction opposite to the first direction in a friction mode.

3. The delivery device of claim 2, wherein the number of the distributing rollers is multiple, and the distributing rollers are arranged on the track at intervals.

4. The discharging device as claimed in claim 3, wherein the plurality of distributing rollers includes a first distributing roller and a second distributing roller, the first distributing roller is located between the driving wheel and the driven wheel, the second distributing roller is located at one side of the discharging opening, the first distributing roller is used for driving the lowest layer of the commodities to move out of the bin through the discharging opening and move towards a direction close to the discharging opening, and the second distributing roller is used for driving the commodities conveyed by the first distributing roller to move away from the discharging device through the discharging opening.

5. The discharging device as claimed in claim 4, wherein the driving wheel is disposed near the discharging opening, the first distributing roller is supported against a right end of the track contacting the driving wheel, and the second distributing roller is supported against a left end of the track contacting the driving wheel.

6. The delivery device of claim 2, wherein the dispensing roller is capable of floating up and down relative to the frame such that the dispensing roller is brought into close contact with the track by the self-weight of the dispensing roller and the product being pressed down.

7. The delivery device of claim 2, wherein the drive mechanism further comprises a support roller rotatably disposed on the frame and located between the drive wheel and the driven wheel, the track is overlapped on the support roller, and the track is located between the dispensing roller and the support roller.

8. The discharging device according to claim 2, wherein the driving mechanism further comprises a first adjusting assembly and a second adjusting assembly, the first adjusting assembly is disposed in the rack, the first adjusting assembly comprises a first guide pillar, a first elastic member, a first transmission plate and a first push shaft, the first elastic member is sleeved on the first guide pillar, the first guide pillar is provided with a first sliding groove, and two sides of the first transmission plate are respectively provided with a first concave hole and a second concave hole;

9. The delivery device of claim 2, wherein the drive wheel and/or the driven wheel are provided with drive teeth, and the track is provided with a hollowed-out portion, the drive teeth being capable of cooperating with the hollowed-out portion to drive movement of the track.

10. The delivery device of claim 1, further comprising a sensing component disposed near the delivery port, wherein the sensing component is configured to send a delivery signal when sensing that the dispensing roller rubs to move the product out of the delivery device through the delivery port.