Automatic multi-aggregate metering and loading system and method of use

Abstract

The application provides a kind of automatic metering loading system of multiple aggregates, including transceiver card management subsystem, truck scale quantitative loading subsystem, aggregate loading subsystem, video monitoring subsystem and total control center;Through multiple aggregates integrated in the same loading system, the intelligent deployment of different aggregates is completed, and the technical problems such as site limitation, production scale limitation and type limitation are solved, while integrating automatic technology, anti-cheating technology, anti-overloading quantitative loading technology, one-card automatic identification technology, radio frequency technology, infrared positioning technology, pattern recognition technology, video monitoring technology, broadcast voice calling technology and the like, the reliability of the system is improved, and efficient management is realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sand and gravel loading and weighing, in particular to a multi-ingredient automatic metering and loading system and a use method thereof. BACKGROUND

[0002] At present, the finished product loading process of sand and gravel processing plants generally adopts an automatic metering and loading system corresponding to one loading station for each type of aggregate, which has the characteristics of high loading efficiency.

[0003] However, with the development of engineering technology and the improvement of environmental protection requirements, the subdivision of engineering aggregate is increasing, and if a set of loading system is established for each type of aggregate hopper, the scale of the loading system will increase exponentially, and the management will become more complex.

[0004] Especially for systems with limited construction site and small production scale, the sand and gravel processing plant using this loading process has the disadvantages of large occupied area, large capital investment, large operation cost, and low comprehensive benefit.

[0005] For example, the invention patent with the application number 201910967092.3 and the invention name of a clinker and aggregate dispersion pre-metering control method and system solves the loading problem between different materials by setting different materials into different pre-loading lanes, which can meet the requirements of sand and gravel plants with few types of aggregate and large site, but for sand and gravel plants with insufficient site and many types of aggregate, there is a practical problem of lack of site. SUMMARY

[0006] The purpose of the present application is to solve the problems of the prior art, and to provide a multi-ingredient automatic metering and loading system and a use method for solving the problems of aggregate distribution, waste of aggregate, and mixing of tail materials when multiple types of aggregate share the same loading system.

[0007] To achieve the above purpose, the technical solution adopted by the present application is as follows: a multi-ingredient automatic metering and loading system, comprising a card receiving and issuing management subsystem, a truck scale quantitative loading subsystem, an aggregate loading subsystem, a video monitoring subsystem, and a total control center;

[0008] The card receiving and issuing management subsystem is used for entry registration and card issuing, exit card receiving and ticket printing, wherein the card issuing and receiving steps record the pre-loaded aggregate type and weight;

[0009] The truck scale quantitative loading subsystem is used for loading metering and preventing overloading, wherein the data for preventing overloading comes from the data of the card issuing step;

[0010] The aggregate loading subsystem comprises a loading controller, a plurality of aggregate bins, a belt conveyor, a sand adjusting bin and a discharge arc gate unloader, the bottom ends of the plurality of bins are open and correspond to the conveying surface of the belt conveyor, the output end of the belt conveyor is connected to a loading position through a discharge channel, the discharge arc gate unloader is installed at the bin outlet, the sand adjusting bin is located at the reverse output end of the belt conveyor, and the outlet end of the sand adjusting bin is located above the loading position;

[0011] Wherein, the aggregate loading weight is M, the loaded aggregate when the discharge arc gate unloader is stopped is M1, the aggregate weight from the feeding point to the output end of the belt conveyor is M2, and the aggregate weight between the outlet of the discharge arc gate unloader and the vertical drop of the vehicle discharge point is M3, so M=M1+M2+M3;

[0012] M data is obtained from the data of the card link, M2 is calculated by the formula M2=(Q×L) / (3600×V), and M3 is calculated by the formula M3=(H×g) / V; ;

[0013] Wherein, Q represents the actual conveying capacity of the belt conveyor (t / h), L is the length from the feeding point to the discharge point of the belt conveyor (m), V is the conveying belt speed of the belt conveyor (m / s), H is the vertical drop between the discharge outlet of the unloader and the vehicle discharge point (m), and g is the gravity acceleration 9.8 m / s2;

[0014] Then M1=M-M2-M3;

[0015] Through the estimation relationship of the aggregate loading weight, an automatic metering loading test training model is established, the model is trained through daily loading data, and the model accuracy is improved to the set requirement before being put into use;

[0016] The controller controls the bin to stop feeding the belt conveyor according to whether the M1 data reaches the set value, and the belt conveyor and the discharge arc gate unloader work for a set time length to load the remaining material;

[0017] The sand adjusting bin is only used for sand loading, so as to avoid that the sand material is hardened and cannot be discharged smoothly, and accurate interlocking loading feeding cannot be realized. Therefore, the sand adjusting bin is added, and the interlocking process is changed, that is, when the sand loading reaches the preloading amount (M), the electro-hydraulic gate valve of the discharge arc gate unloader and the sand adjusting bin is automatically stopped, the aggregate on the belt conveyor is completely discharged into the sand adjusting bin for storage, and the next loading cycle is entered;

[0018] The video monitoring subsystem is used for monitoring the running states of other subsystems and triggering alarms;

[0019] The total control center is connected with each subsystem to complete the collection and processing of various data.

[0020] As described above, the plurality of aggregate bunkers are configured in multiple, and the plurality of aggregate bunkers can switch positions and communicate with the reverse output end of the rubber belt conveyor.

[0021] As described above, electronic tags are configured for the discharge arc gate dischargers of the plurality of aggregate bunkers, and the temporary storage and distribution of sand and stone materials are realized by the following method:

[0022] The electronic tags of the bunkers are real-time assigned electronic tags, and the electronic tags are used to indicate the sand and stone categories;

[0023] When a sand and stone category bunker is discharged and loaded, the electronic tags of all the bunkers are traversed, and the electronic tags of the same sand and stone category are automatically matched, so that the discharge arc gate dischargers of the corresponding bunkers are accurately connected to the reverse output end of the rubber belt conveyor;

[0024] As described above, the card receiving and issuing management subsystem includes a first industrial computer, a card issuing device, a printer, a switch, and manual card receiving and issuing software.

[0025] As described above, the truck scale quantitative loading subsystem includes a second industrial computer, a weighing module, and loading joint control software.

[0026] As described above, the aggregate loading subsystem further includes a gravel chute, a sand chute, a camera, a dust remover, an electro-hydraulic flat valve, a bulk machine, an LED weight display screen, a wide-angle mirror, a gate, a photoelectric switch, a broadcast speaker, an IC card reader / writer, a bell, and a traffic signal.

[0027] As described above, the video monitoring subsystem includes a third industrial computer, a monitoring large screen, a camera, a monitoring hard disk, and a hard disk video recorder.

[0028] As described above, the total control center includes a fourth industrial computer, an intelligent WEB data monitoring platform, a mobile terminal or a computer, and the truck scale weighing data is queried by accessing the WEB platform IP, and the data is shared with the financial ERP system, and the cost is settled by the financial ERP system.

[0029] A multi-aggregate automatic metering and loading method, including the multi-aggregate automatic metering and loading system, and the method is executed by the following steps:

[0030] Step 1: registration and card issuing;

[0031] Step 2: quantitative loading at the bottom of the warehouse, guiding the vehicle to the truck scale, the vehicle is completely weighed and stable, the system reads the information of the material specifications and the loading weight in the card, the system automatically matches the discharge specifications of the finished material pile, verifies the success, the weight is stable and the vehicle is completely within the range of the front and rear photoelectric switches, the system automatically collects the tare weight data and automatically saves it to the temporary database, and the related equipment and devices are interlocked and started, and the system automatically discharges;

[0032] The driver drives step by step under the assistance of wide-angle mirror or personnel command to avoid material overflow;

[0033] When the truck reaches M1, the interlocking stops the unloading arc door unloader, and the finished product pile stops feeding; after the vertical drop between the aggregate on the belt conveyor and the unloading outlet of the unloader to the truck loading point is finished, the preloading amount is reached, the unloading is automatically stopped and the bulk material machine is reset;

[0034] In special cases, for sand unloading, start the sand adjusting bin, change the interlocking process, that is, when the sand truck reaches the preloading amount M, the interlocking automatically stops the unloading arc door unloader and the sand adjusting bin electro-hydraulic plug valve, and the sand on the belt conveyor is completely unloaded into the sand adjusting bin for storage, and the next loading cycle is entered;

[0035] Step 3: When the truck reaches the preloading amount, if the truck is completely within the range of the front and rear pairs of photoelectric switches, the system automatically collects the gross weight data, calls the tare weight data corresponding to the truck number, calculates the net weight and saves the data to the database, otherwise, the weighing data is not collected; after the data is saved, the truck is weighed, the truck scale weight is reset to zero, and the system is reset;

[0036] Step 4: card collection, ticket printing and settlement.

[0037] The present application has the following advantages compared with the prior art:

[0038] 1. For small site and multiple types of aggregate sandstone plants, the system and method can greatly reduce the occupied area, realize automatic metering and loading of various aggregates, reduce investment and improve benefits.

[0039] 2. For the loading accuracy of multiple types of aggregate, the loading system is trained by algorithm, multiple different data are collected for judgment, and the unloading time is determined, so that the precision of automatic loading is greatly improved.

[0040] 3. For sand, to prevent the problem of hardening of sand pile, a special sand adjusting bin is configured, and the preset loading data is used as a reference during loading, and the excess sand is temporarily stored in the sand adjusting bin through the reverse belt conveyor, and is used in the next cycle.

[0041] 4. The overall operation process of the loading metering is optimized, the purposes of smooth logistics, staff reduction and efficiency increase are achieved, the labor intensity of workers is reduced, and the management cost is reduced; a plurality of devices adopt "centralized management and distributed control", a plurality of warehouses adopt remote control room centralized management, no workers are needed to operate at the loading site, the hidden danger of collusion between on-site personnel and drivers is eliminated, the management cost is low; through the data card as the unique identity of the vehicle, the card information is automatically read by the system, the business data is stored, the functions of automatic identification of weighing and automatic identification of loading are realized; through infrared card position, video monitoring and other functions, the anti-cheating function is realized in all directions, the operation safety of the one-card system is ensured; compared with the "one-to-one loading system", the phenomenon of entering the wrong warehouse during loading is avoided, the loading efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0042] Figure 1 The figure is a planar arrangement schematic diagram of the automatic metering and loading system of the plurality of aggregates.

[0043] Figure 2 The figure is a front view schematic diagram of the automatic metering and loading system of the plurality of aggregates.

[0044] Figure 3 The figure is a centralized control room arrangement schematic diagram.

[0045] Figure 4 The figure is a loading system arrangement schematic diagram.

[0046] Figure 5 The figure is a finished product pile arrangement schematic diagram.

[0047] Figure 6 The figure is a pneumatic arc gate unloader schematic diagram.

[0048] In the figure: 1. gate; 2. centralized control room; 201. monitor large screen; 202. centralized control room; 203. PLC control cabinet; 204. video monitoring system industrial computer; 205. truck scale quantitative loading system industrial computer and data server; 206. manual card receiving and sending system industrial computer; 207. printer; 208. card receiving and sending room; 209. duty room; 3. on-site road; 4. aggregate loading system; 401. belt conveyor; 402. sand adjusting silo; 403. electric positive three-way valve; 4031. gravel chute; 4032. sand chute; 404. first high-definition camera; 405. dust remover; 406. electro-hydraulic flat valve; 407. electro-hydraulic sector valve matched with bulk machine; 408. bulk machine; 409. frame structure; 410. loading layer closed structure; 411. LED weight display screen; 412. wide-angle lens; 413. barrier gate; 414. outlet end photoelectric switch; 415. loudspeaker; 416. IC card reader; 417. electric bell alarm; 418. truck scale; 419. transport vehicle; 420. import end photoelectric switch; 421. traffic signal; 5. finished product pile; 501. 1# sand pile; 502. 2# gravel pile; 503. 3# gravel pile; 504. 4# gravel pile; 506. second high-definition camera; 507. 1# sand pile unloading pneumatic arc gate unloader; 5071. pneumatic arc gate unloader cylinder push rod; 5072. unloading pneumatic arc gate unloader gate plate; 508. pneumatic arc gate unloader opening control device; 509. 2# gravel pile unloading pneumatic arc gate unloader; 510. 3# gravel pile unloading pneumatic arc gate unloader; 511. 4# gravel pile unloading pneumatic arc gate unloader. DETAILED DESCRIPTION

[0049] The technical solutions of the present application will be further described in detail below through specific embodiments.

[0050] As Figures 1-6 shown, a plurality of aggregate automatic metering loading system includes a card receiving and sending management subsystem, a truck scale quantitative loading subsystem, an aggregate loading subsystem, a video monitoring subsystem and a total control center.

[0051] The card receiving and sending management subsystem is used for entry registration and card issuing, exit card receiving and ticket printing, wherein the card issuing and receiving links record the preloaded aggregate type and weight, specifically, an Lenovo M4601 / 19.5-inch liquid crystal industrial computer 206, a Shenzhen Minghua RF-35LT card issuer 1, a printer 207, a switch 1 and the like are adopted; the software adopts Fuzhou Kejie unattended manual card receiving and sending software V1.0.

[0052] The automobile scale quantitative loading sub-system and the aggregate loading sub-system adopt the following hardware: one Yanshang I5-6500 / 8G / 1T / DVD / keyboard / mouse / 24-inch liquid crystal industrial computer (which is also used as a data server of the system), four QHM1000*1000 pneumatic arc gate unloaders, four sets of pneumatic arc gate unloader opening control devices 508, one DTII type B1000 belt conveyor 401, one sand regulating bin 402, one electric positive tee valve 403, two dust collectors 405, one electro-hydraulic flat valve 406, one bulk machine 408, one LED weight display screen 411, one wide-angle mirror 412, one gate 413, two photoelectric switches, one broadcast speaker 415, one IC card reader / writer 416, one bell 417, one automobile scale 418, and one traffic signal 421; and the following software: Fuzhou Kejia Intelligent Filling System and Siemens S7-200 programmable controller.

[0053] The bottom ends of the plurality of bins are open and correspond to the conveying surface of the belt conveyor. In this embodiment, four bins are provided, which are 1# sand bin 501, 2# gravel bin 502, 3# gravel bin 503, and 4# gravel bin 504. Each of the bins is respectively provided with a 1# sand bin unloading pneumatic arc gate unloader 507, a 2# gravel bin unloading pneumatic arc gate unloader 509, a 3# gravel bin unloading pneumatic arc gate unloader 510, and a 4# gravel bin unloading pneumatic arc gate unloader 511. The output end of the belt conveyor is connected to the loading position through a discharging channel. The discharging arc gate unloaders are installed at the bin outlets. The sand regulating bin is located at the reverse output end of the belt conveyor. The outlet end of the sand regulating bin is located above the loading position.

[0054] The aggregate loading weight is M, the aggregate loaded when the discharging arc gate unloader is stopped is M1, the aggregate weight from the feeding point to the output end of the belt conveyor is M2, and the aggregate weight between the outlet of the discharging arc gate unloader and the vertical drop of the vehicle dropping point is M3. Therefore, M=M1+M2+M3.

[0055] M is obtained from the data of the card issuing link. M2 is calculated by the formula Q*L / (3600*V). M3 is calculated by the formula M3=H*Q / (3600*V).

[0056] Q represents the actual conveying capacity of the belt conveyor (t / h), L is the length from the feeding point to the discharging point of the belt conveyor (m), V is the conveying belt speed of the belt conveyor (m / s), H is the vertical drop between the discharging outlet of the unloader and the vehicle dropping point (m), and g is the gravitational acceleration 9.8 m / s2.

[0057] Therefore, M1=M-M2-M3.

[0058] ​Through the estimation relationship of the aggregate loading weight, an automatic metering loading test training model is established, and the model is trained through daily loading data to improve the model accuracy to the set requirement and put into use.

[0059] The controller controls the material bin to stop feeding the rubber belt machine according to whether the M1 data reaches the set value, and the rubber belt machine and the discharge arc door unloader work for a set time length to load the remaining material.

[0060] The sand adjusting bin is only used for sand loading, to avoid sand compaction causing poor discharge and unable to realize accurate interlocking loading. Therefore, a sand adjusting bin is added to change the interlocking process, that is, when the sand loading reaches the pre-loading amount (M), the interlocking automatically stops the discharge arc door unloader and the sand adjusting bin electro-hydraulic gate valve, and the aggregate on the rubber belt machine is completely unloaded to the sand adjusting bin for storage, and the next loading cycle is entered.

[0061] The total control center connects each subsystem to complete the collection and processing of various data, and the hardware includes an industrial computer (shared with the truck scale quantitative loading system industrial computer), and the software uses the Kegao intelligent WEB data monitoring platform V1.0, and can share data with the financial ERP system.

[0062] Step 1: registration and card issuance

[0063] (1) The vehicle arrives at the factory, the driver gets off at the manual window of the card receiving room 208 to register and issue a card. The card receiving room 208 is provided with a centralized control room 202, a monitoring large screen 201, a PLC control cabinet 203, a video monitoring system industrial computer 204, a truck scale quantitative loading system industrial computer serving as a data server 205, a manual card receiving and issuing system industrial computer 206, a printer 207, and a duty room 209.

[0064] (2) The card has preset information such as vehicle number, material name, material specification, transportation unit, and pre-loading amount.

[0065] (3) After the driver finishes receiving the card, he enters the gate 1 and goes to the aggregate loading system truck scale 418 of the aggregate loading system 4 through the in-plant road 3.

[0066] Step 2: quantitative loading from the bottom of the warehouse

[0067] (1) The traffic signal light 421 is green, guiding the transportation vehicle 419 to weigh.

[0068] (2) The transport vehicle 419 is completely weighed and stable, the driver stretches out his hand to swipe the IC card at the IC card reader 416, the system verifies the information of the material specifications and loading weight in the card, and the system automatically matches the unloading specifications of the finished material pile 5. At the same time, the traffic signal light 421 changes from green to red, indicating that the following vehicles cannot follow.

[0069] (3) After verification, the weight is stable and the vehicle is completely within the range of the front and rear outlet end electric switch 414 and the inlet end electric switch 420, the system automatically collects the tare weight data and automatically saves it to the temporary database, and the exit gate 413 is released.

[0070] (4) The driver backs up to the initial loading point, and the control room personnel operate the intelligent loading system software on the industrial computer configuration interface, and the sand and gravel two kinds of aggregate are interlocked to start the related equipment and devices in the reverse material flow. The system automatically releases the material. The on-site LED weight display screen 411 displays the loading weight in real time.

[0071] 1) The sand aggregate loading interlocking start sequence is as follows: bulk machine 408→electro-hydraulic flat valve 406→electric positive three-way valve 403→belt conveyor 401→1# sand pile unloading arc gate unloader 507; wherein, the outlet end of the belt conveyor 401 is distributed through the gravel chute 4031 and the sand chute 4032; the sand pile unloading arc gate unloader 507 includes a pneumatic arc gate unloader cylinder push rod 5071 and a unloading pneumatic arc gate unloader gate 5072.

[0072] 2) The gravel aggregate loading interlocking start sequence is as follows: bulk machine 408→electric positive three-way valve 403→belt conveyor 401→gravel pile unloading arc gate unloader.

[0073] (5) The driver assists through the wide-angle mirror 412, and drives forward step by step to avoid material overflow. The control room staff can also use the remote loudspeaker 415 to shout and command the driver to drive forward step by step according to the bulk machine 408 loading monitoring situation, and the bulk machine is also provided with an electro-hydraulic fan-shaped valve 407 matched with the bulk machine. The bulk machine 408 is supported by the frame structure 409, and a loading layer closed structure 410 is provided between the bulk machine and the vehicle.

[0074] (6) When the loading reaches M1 weight, the interlocking automatically stops the unloading arc gate unloader, and stops the finished material pile 5 from continuing to feed; after the vertical drop between the aggregate loading on the belt conveyor and the unloading outlet to the vehicle material falling point is completed, the pre-loading amount is reached, and the unloading is automatically stopped and the bulk machine 408 is reset.

[0075] In particular, 1# sand pile 501 due to the actual production process often exists in the hardening caused by the material pile unsmooth, there is a flow of uneven circumstances, and lead to the realization of accurate interlock loading feeding. For this increase sand adjusting silo 402, change the interlock process, that is, the sand loading to reach the pre-charge (M), interlock automatic stop unloading arc gate door unloader and sand adjusting silo 402 lower electro-hydraulic gate valve 406, sand belt machine 401 all unloaded to sand adjusting silo 402 storage, into the next loading cycle.

[0076] (7) loading to reach the pre-charge, such as vehicles completely in the front and rear two pairs of photoelectric switch range, the system automatically acquires gross weight data, and call the corresponding tare data of the car number, calculate the net weight and save data to the database, otherwise not to collect weighing data.

[0077] (8) data saving is completed, the exit car end barrier 413 automatically lift the rod, bell alarm 417 prompt loading is completed. At the same time, traffic signal light 421 red light to green light, prompting the follow-up vehicle.

[0078] (9) vehicle under the pound, the truck scale 418 weight back to zero, the system reset.

[0079] Step 3: card, ticket

[0080] (1) vehicle preparation for factory, the driver to the card (also can not be collected card, long-term use), ticket.

[0081] (2) related weighing data upload ERP system for settlement.

[0082] In other embodiments, the plurality of aggregate silos are configured to be multiple, and the plurality of aggregate silos can switch positions and communicate with the reverse output end of the belt machine. The electronic tags are respectively configured for the aggregate silo unloading arc gate door unloader. The sand and stone materials are temporarily stored and distributed by the following method:

[0083] The electronic tag of the silo is a real-time assigned electronic tag, and the electronic tag is used to represent the sand and stone category;

[0084] When a certain sand and stone category silo discharges and loads, the electronic tags of each silo are traversed, and the electronic tags of the same sand and stone are automatically matched. The corresponding silo unloading arc gate door unloader is accurately connected to the reverse output end of the belt machine.

[0085] Finally, it should be noted that: the above detailed description of the preferred embodiments of the present patent, but the present patent is not limited to the above-mentioned embodiments, within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the purpose of the present patent.

Claims

1. A multi-aggregate automatic metering loading system, characterized in that: The system comprises a transceiving card management subsystem, a truck scale quantitative loading subsystem, an aggregate loading subsystem, a video monitoring subsystem and a general control center. The transceiving card management subsystem is used for entry registration and card issuing, exit card receiving and ticket printing. The truck scale quantitative loading subsystem is used for loading measurement and overloading prevention. The aggregate loading subsystem comprises a loading controller, a plurality of aggregate storage bins, a belt conveyor, a sand adjusting bin and a discharge arc gate unloader. The bottom of each aggregate storage bin is open and connected to the belt conveyor. M data from the card link data, M2 = (Q x L) / (3600 x V) formula, M3 using Formula calculation; wherein Q represents the actual transport capacity of the belt conveyor, t / h, L is the length of the belt conveyor from the feeding point to the discharging point, m, V is the belt speed of the belt conveyor, m / s, H is the vertical drop between the discharge outlet of the discharger and the dropping point of the vehicle, m, and g is the acceleration of gravity 9.8 m / s 2 ; The output end of the belt conveyor is connected to a loading position through a discharge channel. The discharge arc gate unloader is installed at the outlet of the aggregate storage bin. The sand adjusting bin is located at the reverse output end of the belt conveyor. The outlet of the sand adjusting bin is located above the loading position. The aggregate loading weight is M, the loaded aggregate weight when the discharge arc gate unloader is stopped is M1, the aggregate weight from the feeding point to the output end of the belt conveyor is M2, and the aggregate weight between the outlet of the discharge arc gate unloader and the vehicle discharge point is M3. M=M1+M2+M3.

2. The automatic multi-ingredient loading system according to claim 1, wherein: The automatic measurement loading test training model is established through the estimation relationship of the aggregate loading weight.

3. The automatic multi-ingredient loading system according to claim 2, wherein: The model is trained through daily loading data to improve the model accuracy to the set requirement. The controller controls the aggregate storage bin to stop feeding the belt conveyor according to whether the M1 data reaches the set value. The belt conveyor and the discharge arc gate unloader work for a set time to load the remaining aggregate.

4. The automatic multi-ingredient loading system according to claim 3, wherein: The sand adjusting bin is used only for sand loading.

5. The automatic multi- aggregate batching and loading system according to claim 4, wherein: The sand loading reaches the preset loading amount M, and the discharge arc gate unloader and the sand adjusting bin are automatically stopped.

6. The automatic multi-ingredient loading system according to claim 5, wherein: The belt conveyor discharges all the aggregate to the sand adjusting bin for storage. The video monitoring subsystem is used for monitoring the operation status of other subsystems and triggering an alarm. The general control center connects each subsystem to collect and process various data. The aggregate storage bins are configured in multiple numbers, and the multiple aggregate storage bins can be switched to communicate with the belt conveyor. Electronic tags are configured for the discharge arc gate unloaders of the multiple aggregate storage bins. The electronic tags of the aggregate storage bins are real-time assigned electronic tags, and the electronic tags are used to indicate the sand and stone types. When a certain sand and stone type is discharged and loaded, the electronic tags of all the aggregate storage bins are traversed to automatically match the electronic tags of the same sand and stone type, and the discharge arc gate unloaders of the corresponding aggregate storage bins are accurately connected to the output end of the belt conveyor. The transceiving card management subsystem comprises a first industrial computer, a card issuer, a printer, a switch and manual transceiving card software. The truck scale quantitative loading subsystem comprises a second industrial computer, a weighing module and loading joint control software. The aggregate loading subsystem further comprises a gravel chute, a sand chute, a camera, a dust remover, an electro-hydraulic flat valve, a bulk machine, an LED weight display screen, a wide-angle lens, a gate, a photoelectric switch, a loudspeaker, an IC card reader, a bell and a traffic signal.

7. The automatic multi- aggregate batching and loading system according to claim 6, wherein: The video monitoring subsystem comprises a third industrial computer, a monitoring large screen, a camera, a monitoring hard disk and a hard disk video recorder.

8. The automatic multi- aggregate batching and loading system according to claim 7, wherein: The total control center comprises a fourth industrial computer, an intelligent WEB data monitoring platform, a mobile terminal or a computer, and the data of the loading and weighing is inquired through the WEB platform IP and shared with the financial ERP system data, and the financial ERP system is used for cost settlement.

9. A method for automatic metering and loading of multiple aggregates, characterized in that: The automatic loading system comprises the automatic loading system according to any one of claims 3-8, and is executed through the following steps: Step 1: registration and card issuing; Step 2: quantitative loading from the bottom of the warehouse, guiding the vehicle to the scale, and stopping the vehicle completely on the scale, wherein the system reads the information of the material specifications and the loading weight in the card, automatically matches the unloading specifications of the finished material pile, verifies the success, and when the weight is stable and the vehicle is completely within the range of the front and rear photoelectric switches, the system automatically collects the tare weight data and saves it to the temporary database, interlocks the related equipment and devices, and automatically releases the material; The driver drives the vehicle step by step with the aid of a wide-angle mirror or personnel command to avoid material overflow; When the loading reaches M1, the interlock automatically stops the unloading of the arc gate unloader and stops the continuous feeding of the finished material pile; after the loading of the aggregate between the aggregate on the belt conveyor and the vertical drop between the unloading port of the unloader and the vehicle loading point is completed, the automatic loading reaches the preloading amount, and the unloading and the bulk material machine are automatically stopped and reset; For sand loading from the sand bin, the sand regulating bin is started, the interlocking process is changed, that is, when the sand loading reaches the preloading amount M, the interlock automatically stops the unloading of the arc gate unloader and the sand regulating bin, and the electro-hydraulic gate valve, the sand material on the belt conveyor is completely unloaded into the sand regulating bin for storage, and the next loading cycle is started; Step 3: when the loading reaches the preloading amount, if the vehicle is completely within the range of the front and rear photoelectric switches, the system automatically collects the gross weight data, calls the tare weight data corresponding to the vehicle number, calculates the net weight, and saves the data to the database, otherwise, the weighing data is not collected; after the data is saved, the vehicle is weighed, the weight of the truck scale is reset to zero, and the system is reset; Step 4: card collection, ticket printing and settlement.

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