Plastic bottle price checking system

The fully automated plastic bottle pricing system, utilizing camera equipment and artificial intelligence technology, solves the problem of low efficiency in plastic bottle price calculation in existing technologies, achieving efficient, transparent, and fair price determination and reducing disputes between buyers and sellers.

CN223999941UActive Publication Date: 2026-03-17SUZHOU JIAZHINUO RESOURCES & EQUIPMENT MANUFACTURING CO LTD +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

In the current technology, the price calculation of plastic bottles relies on manual sorting, which is inefficient and subjective, leading to pricing disputes between buyers and sellers. There is a lack of a fair, transparent and timely verification system.

Method used

The fully automated plastic bottle pricing system includes a preliminary pricing subsystem and a precise pricing subsystem. It utilizes camera equipment, identification devices, sorting equipment, and artificial intelligence robots to achieve fully automated, objective, and timely pricing of plastic bottles.

Benefits of technology

It has enabled efficient, transparent and fair pricing of plastic bottles, reduced pricing disputes between buyers and sellers, and improved pricing efficiency and accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a plastic bottle price checking system. The plastic bottle price checking system comprises a preliminary price checking subsystem and an accurate price checking subsystem, the preliminary price checking subsystem comprises a first camera device, a material preparation device, a second camera device, an identification device and a preliminary price checking device; the precise price checking subsystem comprises sorting equipment and a precise price checking device; the sorting equipment comprises a drum screen, a vortex sorting machine, a visible light sorting machine and an artificial intelligence robot. According to the utility model, prices of a plurality of recovered plastic bottles can be checked automatically, timely, transparently and fairly.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a plastic bottle recycling technical field especially relates to a plastic bottle price system. BACKGROUND

[0002] In the plastic bottle recycling business, the accounting work of the price of plastic bottles has a significant impact on the management of recycling enterprises. The accounting of the price of plastic bottles is not only closely related to the cost and profit control of the enterprise, but also is an important basis for the operation decision of the enterprise. The method for pricing the plastic bottles in the prior art relies on manual sorting, and the pricing is performed after sorting, which is low in efficiency and subjective in standard, and because the recycled plastic bottles have complex components, including PET bottles (polyethylene terephthalate plastic bottles), HDPE bottles (high-density polyethylene plastic bottles), PP (polypropylene material) lunch boxes and miscellaneous plastics, the proportion of different batches of components varies greatly, leading to frequent disputes between buyers and sellers in pricing. Therefore, there is an urgent need for a fair, transparent and timely price determination system. SUMMARY

[0003] The utility model embodiment provides a plastic bottle price system, can full -automatic and timely efficient, transparent and fair to the price of recycled multiple plastic bottles.

[0004] In a first aspect, the utility model embodiment provides a positioning device applied to pricing multiple plastic bottles, which comprises a preliminary pricing subsystem and an accurate pricing subsystem.

[0005] The preliminary pricing subsystem comprises a first camera device, a material preparation device, a second camera device, an identification device and a preliminary pricing device.

[0006] The first camera device is used to obtain the original shape of the multiple plastic bottles; the material preparation device is used to transport the multiple plastic bottles to a target position in a target shape based on the original shape of the multiple plastic bottles; the second camera device is used to obtain identification images of the multiple plastic bottles at the target position; the identification device is used to determine identification information of the multiple plastic bottles based on the identification images of the multiple plastic bottles, the identification information including the material, brand and specification of the corresponding plastic bottle; and the preliminary pricing device is used to determine the preliminary pricing result of the multiple plastic bottles based on the identification information of the multiple plastic bottles.

[0007] The accurate pricing subsystem comprises a sorting device and an accurate pricing device.

[0008] The sorting device comprises a drum screen, an eddy current sorting machine, a visible light sorting machine and an artificial intelligence robot, and is used to sort the multiple plastic bottles into multiple sorting groups; and the accurate pricing device is used to determine the accurate pricing result of the multiple plastic bottles based on the multiple sorting groups.

[0009] Optionally, the preliminary nuclear valuation subsystem further comprises:

[0010] a guiding device, configured to guide a transport device of the plurality of plastic bottles to transport the plurality of plastic bottles to a corresponding unloading area based on the original shape of the plurality of plastic bottles;

[0011] the material preparation device is configured to deliver the plurality of plastic bottles from the unloading area to the target position in the target shape.

[0012] Optionally, the original shape of the plurality of plastic bottles comprises compressed bottle bricks.

[0013] the material preparation device comprises an unmanned forklift, a fully-automatic unpacking machine, a light chain conveyor and a vibrating feeder;

[0014] the unmanned forklift is configured to load plastic bottles in the shape of compressed bottle bricks to the fully-automatic unpacking machine.

[0015] the fully-automatic unpacking machine comprises a chain conveyor, a steel wire shearing device, a steel wire collecting device, a bottle brick scattering device and an automatic counting device, and is configured to scatter plastic bottles in the shape of the compressed bottle bricks into a dispersed shape.

[0016] the light chain conveyor is configured to deliver plastic bottles in the dispersed shape to the vibrating feeder.

[0017] the vibrating feeder is configured to vibrate and adjust the plastic bottles in the dispersed shape into a uniformly scattered state, and deliver the uniformly scattered plastic bottles to the target position.

[0018] Optionally, the original shape of the plurality of plastic bottles further comprises a dispersed shape.

[0019] the material preparation device comprises a pneumatic conveying device and a dispersed incoming material buffer warehouse.

[0020] the pneumatic conveying device is configured to deliver plastic bottles in the shape of the dispersed shape to the dispersed incoming material buffer warehouse.

[0021] a spiral conveyor is installed at the bottom of the dispersed incoming material buffer warehouse, and is configured to deliver plastic bottles in the dispersed shape from the incoming material buffer warehouse to the light chain conveyor.

[0022] Optionally, the recognition device is specifically configured to identify a target image region comprising the recognition information in the recognition image, and extract the recognition information from the target image region.

[0023] The precise pricing device is specifically used to determine the pricing parameters of the plurality of plastic bottles based on the identification information. The pricing parameters include the proportion and / or weight distribution of plastic bottles of different materials among the plurality of plastic bottles, and to determine the preliminary pricing result of the plurality of plastic bottles based on the pricing parameters of the plurality of plastic bottles.

[0024] Optionally, the preliminary pricing subsystem further includes:

[0025] A weighing device for measuring the total weight of the plurality of plastic bottles;

[0026] The preliminary pricing device is specifically used to calculate the preliminary pricing results of the plurality of plastic bottles based on the pricing parameters and the total weight.

[0027] Optionally, the plurality of plastic bottles includes a plurality of large bottles and a plurality of small bottles, and the drum screen includes a first-stage drum screen and a second-stage drum screen;

[0028] The first-stage drum screen is used to remove the residue mixed in the plurality of plastic bottles;

[0029] The second-stage drum screen is used to sort the multiple large and multiple small plastic bottles. Optionally, the eddy current separator is a combined eddy current separator, in which multiple small bottles contain various metal bottles, and the combined eddy current separator is used to separate the various metal bottles separately, resulting in corresponding sorting groups for each type of metal bottle.

[0030] Optionally, the artificial intelligence robot includes a first artificial intelligence robot and a second artificial intelligence robot; the visible light sorting machine includes multiple visible light sorting machines, and the precise pricing subsystem further includes a multi-channel sorting machine;

[0031] The first artificial intelligence robot is used to determine the sorting group corresponding to the multiple large bottles based on their intended use;

[0032] The second artificial intelligence robot, the plurality of visible light sorters, and the multi-channel sorter are used to determine the sorting group corresponding to the remaining vials after the metal vials have been sorted, based on the corresponding material.

[0033] Optionally, the precise pricing subsystem also includes a weighing device for measuring the weight of each sorting group;

[0034] The precise pricing device is specifically used to calculate the precise pricing result based on the weight of each sorting group and the price corresponding to each sorting group.

[0035] This invention provides a plastic bottle pricing system. By offering a preliminary pricing subsystem comprising a first camera device, a material preparation device, a second camera device, an identification device, and a preliminary pricing device, the system enables fully automated, objective, efficient, and timely pricing of multiple plastic bottles without manual intervention. This allows for a rapid assessment of the approximate value of the plastic bottles, providing data support for subsequent recycling efforts. Furthermore, this invention provides a precise pricing subsystem comprising a drum screen, an eddy current separator, a visible light separator, and an artificial intelligence robot. This subsystem enables fully automated, accurate, and efficient sorting of plastic bottles and transparent and fair price determination after preliminary pricing, eliminating the need for manual intervention and preventing disputes between buyers and sellers regarding plastic bottle pricing. Attached Figure Description

[0036] To more clearly illustrate the technical solution of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0037] Figure 1 This is a structural schematic of the plastic bottle pricing system provided in this embodiment of the utility model;

[0038] Figure 2 This is a structural schematic of the preliminary pricing subsystem provided in this embodiment of the present invention;

[0039] Figure 3 This is a structural design of the material preparation equipment provided in this embodiment of the utility model;

[0040] Figure 4 This is a structural schematic of the sorting device provided in this embodiment of the utility model. Detailed Implementation

[0041] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0042] Figure 1 This is a structural diagram of a plastic bottle pricing system provided in an embodiment of this utility model. This system is suitable for pricing large quantities of plastic bottles. The system can be implemented using software and / or hardware. Figure 1 As shown, the system may specifically include:

[0043] The preliminary pricing subsystem 101 specifically includes: a first camera device, a material preparation device, a second camera device, an identification device, and a preliminary pricing device; the first camera device is used to acquire the original shape of multiple plastic bottles; the material preparation device is used to transport multiple plastic bottles to a target location in a target shape based on the original shape of the multiple plastic bottles; the second camera device is used to acquire identification images of multiple plastic bottles at the target location; the identification device is used to determine the identification information of multiple plastic bottles based on the identification images of multiple plastic bottles, the identification information including the material, brand, and specifications of the corresponding plastic bottles; the preliminary pricing device is used to determine the preliminary pricing result of multiple plastic bottles based on the identification information of multiple plastic bottles.

[0044] Optional, such as Figure 2 As shown, the aforementioned preliminary pricing system also includes a guidance device, which guides the transport equipment of the multiple plastic bottles to transport the multiple plastic bottles to the corresponding unloading area based on the original shape of the multiple plastic bottles.

[0045] Specifically, the aforementioned transport equipment could be, for example, a vehicle loaded with plastic bottles.

[0046] Optionally, the aforementioned material preparation equipment is used to transport multiple plastic bottles from the unloading area to the target location in the target form.

[0047] Optionally, the original form of the aforementioned plastic bottles includes compressed bottle bricks.

[0048] Optionally, the original state of the aforementioned plastic bottles may include a dispersed state.

[0049] Specifically, the first camera device can be used to identify the shape of the plastic bottles loaded on the corresponding vehicle. When the plastic bottles are in the form of bottle bricks, the corresponding vehicle is guided to the bottle brick unloading area, and the bottle bricks are unloaded to the bottle brick unloading area by an unmanned forklift. When the plastic bottles are in the form of dispersed plastic bottles, the corresponding vehicle is guided to the dispersed plastic bottle unloading area.

[0050] Optional, such as Figure 3 As shown, the above-mentioned material preparation equipment includes unmanned forklifts, fully automatic unpacking machines, light-duty chain conveyors, and vibrating feeders.

[0051] Optionally, the aforementioned unmanned forklift is a counterbalanced automated guided vehicle (AGV) forklift.

[0052] Specifically, the aforementioned unmanned forklift can weigh approximately 3.7 tons, with vehicle dimensions of approximately 3262mm × 1259mm × 2180mm, a rated load of 1850kg, a turning radius of 1828mm, a maximum lifting height of 1500mm, a speed of 2–2.5m / s, employing laser SLAM (Simultaneous Localization and Mapping) navigation technology with a positioning error of ±20mm, and supporting wireless Wi-Fi 6 or 5G network signals.

[0053] Specifically, the aforementioned unmanned forklifts can support pallet posture recognition, forklift surface cargo shape detection, path deviation protection, positioning anomaly protection, component failure protection, bottom obstacle avoidance, 3D obstacle avoidance, tooth tip collision detection, and remote emergency stop control.

[0054] Specifically, the aforementioned unmanned forklifts can be equipped with sound and light prompts, marker lights, and / or a HIMI (High-Definition Multimedia Interface) human-machine interface.

[0055] Optionally, the aforementioned fully automatic unpacking machine specifically includes: a chain conveyor, a wire shearing device, a wire collecting device, a bottle / brick breaking device, and an automatic counting device.

[0056] Specifically, the aforementioned unmanned forklift can be used to load plastic bottles in the form of compressed bottle bricks to an automatic unpacking machine. The aforementioned fully automatic unpacking machine can be used to break the plastic bottles in the form of compressed bottle bricks into a dispersed form. The aforementioned lightweight chain conveyor can be used to transport the dispersed plastic bottles to a vibrating feeder. The aforementioned vibrating feeder can be used to vibrate and adjust the dispersed plastic bottles to a uniformly distributed state, and then transport the uniformly distributed plastic bottles to the target position.

[0057] Optionally, the above-mentioned material preparation equipment includes a pneumatic conveying device and a distributed material buffer bin.

[0058] Optionally, a screw conveyor is installed at the bottom of the aforementioned distributed material buffer bins.

[0059] Specifically, the aforementioned pneumatic conveying device can be used to convey plastic bottles in a dispersed form to a dispersed incoming material buffer bin, and the aforementioned screw conveyor is used to convey the dispersed plastic bottles from the incoming material buffer bin to a light chain conveyor.

[0060] Specifically, the conveying angle of the aforementioned lightweight chain conveyor can range from 20° to 40°, and a baffle plate is installed every 5 chain sections, with each baffle plate being 15cm high. Furthermore, the conveying speed of the aforementioned lightweight chain conveyor can be automatically adjusted according to the plastic bottles being conveyed.

[0061] Optionally, the aforementioned identification device is specifically used to identify a target image region in the identification image that includes identification information, and to extract the identification information from the target image region.

[0062] Optionally, the aforementioned precise pricing device is specifically used to determine pricing parameters for multiple plastic bottles based on identification information. The pricing parameters include the proportion and / or weight distribution of plastic bottles of different materials among the multiple plastic bottles, and to determine the preliminary pricing results of the multiple plastic bottles based on the pricing parameters of the multiple plastic bottles.

[0063] Optionally, the identification information mentioned above may also include the color of the corresponding plastic bottle.

[0064] Optionally, the above pricing parameters include the proportion and / or weight distribution of plastic bottles of different materials and colors among multiple plastic bottles.

[0065] Optionally, the process of determining the pricing parameters of multiple plastic bottles based on the identification information includes: querying a pre-established plastic bottle information database that includes information such as the material, brand, model and weight of various plastic bottles based on the identification information, and obtaining the weight of each plastic bottle.

[0066] Specifically, the aforementioned plastic bottle information database can also include color information for various plastic bottles, such as "transparent PET—brand A—550mL—18g".

[0067] Optionally, the aforementioned preliminary pricing device is specifically used to determine the weight of plastic bottles of different materials based on the weight of each plastic bottle, and to calculate the preliminary pricing results of multiple plastic bottles based on the weight of plastic bottles of different materials and the corresponding market price of the materials.

[0068] Optional, such as Figure 2 As shown, the aforementioned preliminary pricing subsystem also includes a weighing device used to measure the total weight of multiple plastic bottles.

[0069] Specifically, the weighing equipment mentioned above can be an unattended truck scale, and the process of measuring the total weight of multiple plastic bottles includes weighing the vehicle loaded with plastic bottles using an unattended truck scale, and determining the total weight of multiple plastic bottles based on the weight of the vehicle loaded with plastic bottles.

[0070] Optionally, the aforementioned preliminary pricing device is specifically used to calculate the preliminary pricing results of multiple plastic bottles based on pricing parameters and total weight.

[0071] Optionally, the process of calculating the preliminary pricing results for multiple plastic bottles based on the pricing parameters and total weight includes:

[0072] Based on the proportion of plastic bottles of different materials and the total weight of the aforementioned plastic bottles, the weight of plastic bottles of different materials is determined, and the preliminary valuation results of the multiple plastic bottles are calculated based on the weight of plastic bottles of different materials and the corresponding market prices of the materials.

[0073] The embodiments of the present invention enable the valuation of plastic bottles to be completed automatically, objectively, efficiently and promptly without relying on manual labor, so as to quickly assess the approximate value of the plastic bottles and provide data support for subsequent recycling work.

[0074] Understandably, the recycling industry generates a large number of plastic bottles every day. A rough price can help recyclers or businesses quickly assess the value of a large quantity of plastic bottles, enabling them to decide whether recycling is worthwhile and improving efficiency. Furthermore, during initial contact and negotiations with customers or suppliers, a rough price can serve as a foundation, providing a general price framework for both parties to facilitate further discussion of specific transaction details.

[0075] The precise pricing subsystem 102 specifically includes: sorting equipment and precise pricing device; the sorting equipment includes a drum screen, an eddy current separator, a visible light separator and an artificial intelligence robot, and the sorting equipment is used to sort multiple plastic bottles into multiple sorting groups; the precise pricing device is used to determine the precise pricing result of multiple plastic bottles based on multiple sorting groups.

[0076] Optional, such as Figure 4 As shown, the above-mentioned drum screen includes a first-stage drum screen and a second-stage drum screen.

[0077] Specifically, the aforementioned multiple plastic bottles may include multiple large bottles and multiple small bottles. The first-stage drum screen is used to remove the residue mixed in with the multiple plastic bottles, and the second-stage drum screen is used to sort the multiple large bottles and multiple small bottles of the multiple plastic bottles.

[0078] Optionally, the above-mentioned eddy current separator is a combined eddy current separator.

[0079] Specifically, the aforementioned multiple vials may contain a mixture of various metal vials, such as iron cans and aluminum cans. The aforementioned combined eddy current separator can be used to separate the various metal vials, resulting in corresponding sorting groups for each type of metal vial.

[0080] Optional, such as Figure 4 As shown, the aforementioned artificial intelligence robots include a first artificial intelligence robot and a second artificial intelligence robot.

[0081] Optional, such as Figure 4 As shown, the visible light sorting machine includes multiple visible light sorting machines.

[0082] Specifically, each visible light sorting machine can be an AI visible light sorting machine that integrates artificial intelligence technology and visible light detection technology. It can include a conveying unit, an identification unit, and an execution unit. The identification unit can be constructed based on image recognition algorithms and / or near-infrared recognition technology.

[0083] Optionally, the aforementioned precise pricing subsystem may also include a multi-channel sorting machine.

[0084] Specifically, the aforementioned first artificial intelligence robot is used to determine the sorting groups corresponding to multiple large bottles based on their intended use.

[0085] Optionally, the process of determining the sorting groups corresponding to multiple large bottles based on their uses includes: using an artificial intelligence robot to sort out large bottles used as oil containers and other large bottles based on whether each large bottle is used as an oil container, and obtaining the corresponding oil container sorting group and non-oil container sorting group as the large bottle sorting results.

[0086] Specifically, the aforementioned second artificial intelligence robot, multiple visible light sorters, and multi-channel sorters are used to determine the sorting group corresponding to the remaining vials after the metal vials have been sorted, based on the corresponding material.

[0087] Optionally, the above-mentioned visible light sorting machine includes a first visible light sorting machine, a second visible light sorting machine, a third visible light sorting machine, and a fourth visible light sorting machine.

[0088] Optionally, the aforementioned precise pricing subsystem may also include: a label remover and a negative pressure air separator.

[0089] Specifically, the process of determining the sorting group corresponding to the remaining vials after sorting out the metal vials, using the aforementioned second artificial intelligence robot, multiple visible light sorters, and multi-channel sorters, can include:

[0090] The process involves obtaining multiple first-sort-remaining vials after separating metal vials from multiple vials; separating multiple PET vials from the multiple first-sort-remaining vials using a first visible light sorting machine to obtain a PET vial group; obtaining multiple second-sort-remaining vials after separating multiple PET vials from the multiple first-sort-remaining vials; separating multiple HDPE vials from the multiple second-sort-remaining vials using a second visible light sorting machine to obtain an HDPE vial group; obtaining multiple third-sort-remaining vials after separating multiple HDPE vials from the multiple second-sort-remaining vials; separating multiple PP vials and multiple vials of mixed materials from the multiple third-sort-remaining vials using an artificial intelligence robot to obtain a PP vial group and a mixed material vial group; and determining the sorting group corresponding to the vials remaining after separating metal vials based on the PET vial group, HDPE vial group, PP vial group, and mixed material vial group.

[0091] Specifically, the process of determining the sorting group corresponding to the remaining vials after sorting out the metal vials, based on the PET vial group, HDPE vial group, PP vial group, and mixed material vial group, includes:

[0092] Obtaining the corresponding sorting group for PET bottles: The label paper on the PET bottles in the PET bottle group is separated using a label remover and a negative pressure air classifier, resulting in the first PET bottle sorting group; the PET bottles from the PET bottle group after label removal are obtained as labeled PET bottles, and the bottle caps of the labeled PET bottles are separated using a bulk material sorter, resulting in the second PET bottle sorting group; the PET bottles from the PET bottle group after cap removal are obtained as PET bottle bodies, and the transparent material in the PET bottle bodies is separated using a third visible light separator. The transparent PET bottles are sorted into the third PET bottle sorting group; the remaining PET bottles in the PET bottle group after the transparent PET bottles are sorted into the non-transparent PET bottles, and the blue and green PET bottles in the non-transparent PET bottles are sorted out by the fourth visible light sorter to obtain the fourth and fifth PET bottle sorting groups; and the remaining bottles in the PET bottle group after the transparent PET bottles, blue PET bottles and green PET bottles are sorted into the sixth PET bottle sorting group.

[0093] Obtain the corresponding sorting group for HDPE vials: Use a multi-channel sorter to sort the HDPE vials into large white HDPE vials, small white HDPE vials, and mixed-color HDPE vials, thus obtaining the first HDPE vial sorting group, the second HDPE vial sorting group, and the third HDPE vial sorting group.

[0094] To obtain the corresponding sorting groups for PP vials and miscellaneous vials: obtain PP vials and miscellaneous vials, and obtain the corresponding PP vial sorting group and miscellaneous vial sorting group.

[0095] Optionally, the aforementioned precise pricing subsystem also includes a weighing device for measuring the weight of each sorting group.

[0096] Specifically, the sorting groups are collected in their respective collection bins, and the weighing device includes a weighing device installed in each collection bin, each weighing device being used to weigh the corresponding sorting group.

[0097] Optionally, the aforementioned precise pricing device is specifically used to calculate precise pricing results based on the weight of each sorting group and the price corresponding to each sorting group.

[0098] This utility model embodiment enables that after preliminary pricing, plastic bottles can be accurately sorted automatically and efficiently by comprehensively considering the dimensions of size, purpose, and material, without relying on manual labor. This allows for accurate pricing and transparent and fair price determination of plastic bottles, thereby avoiding disputes between buyers and sellers regarding the pricing of plastic bottles.

[0099] Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the above-described division of functional modules is merely an example. In practical applications, the above functions can be assigned to different functional modules as needed, that is, the internal structure of the device can be divided into different functional modules to complete all or part of the functions described above. The specific working process of the functional modules described above can be referred to the corresponding process in the foregoing method embodiments, and will not be repeated here.

[0100] The specific embodiments described above do not constitute a limitation on the scope of protection of this utility model. Those skilled in the art should understand that various modifications, combinations, sub-combinations, and substitutions can occur depending on design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A plastic bottle pricing system, used for pricing multiple plastic bottles, characterized in that, The system comprises: a preliminary price checking subsystem and an accurate price checking subsystem; the preliminary price checking subsystem comprises a first camera device, a material preparation device, a second camera device, an identification device, and a preliminary price checking device; the first camera device is configured to acquire original shapes of the plurality of plastic bottles; the material preparation device is configured to transport the plurality of plastic bottles to a target position in a target shape based on the original shapes of the plurality of plastic bottles; the second camera device is configured to acquire identification images of the plurality of plastic bottles at the target position; the identification device is configured to determine identification information of the plurality of plastic bottles based on the identification images, the identification information comprising material, brand, and specifications of the corresponding plastic bottles; and the preliminary price checking device is configured to determine preliminary price checking results of the plurality of plastic bottles based on the identification information. the accurate price checking subsystem comprises a sorting device and an accurate price checking device; the sorting device comprises a drum screen, an eddy current sorter, a visible light sorter, and an artificial intelligence robot, and is configured to sort the plurality of plastic bottles into a plurality of sorted groups; and the accurate price checking device is configured to determine accurate price checking results of the plurality of plastic bottles based on the plurality of sorted groups.

2. The plastic bottle price checking system according to claim 1, wherein the preliminary price checking subsystem further comprises: a guiding device configured to guide a transport device of the plurality of plastic bottles to transport the plurality of plastic bottles to corresponding unloading areas based on the original shapes of the plurality of plastic bottles; and the material preparation device is configured to transport the plurality of plastic bottles from the unloading areas to the target position in the target shape.

3. The plastic bottle valuation system of claim 1, wherein, the original shapes of the plurality of plastic bottles comprise compressed bottle bricks; the material preparation device comprises an unmanned forklift, a full-automatic unpacking machine, a light chain conveyor, and a vibrating feeder; the unmanned forklift is configured to load plastic bottles in the form of compressed bottle bricks to the full-automatic unpacking machine; the full-automatic unpacking machine comprises a chain conveyor, a steel wire shearing device, a steel wire collecting device, a bottle brick dispersing device, and an automatic counting device, and is configured to disperse plastic bottles in the form of the compressed bottle bricks into a dispersed form; the light chain conveyor is configured to transport the plastic bottles in the dispersed form to the vibrating feeder; the vibrating feeder is configured to adjust the plastic bottles in the dispersed form to a uniformly scattered state and transport the uniformly scattered plastic bottles to the target position.

4. The plastic bottle valuation system of claim 3, wherein, the original shapes of the plurality of plastic bottles further comprise a dispersed form; the material preparation device comprises a pneumatic conveying device and a dispersed incoming material buffer warehouse; the pneumatic conveying device is configured to transport the plastic bottles in the form of the dispersed form to the dispersed incoming material buffer warehouse; a spiral conveyor is installed at the bottom of the dispersed incoming material buffer warehouse, and is configured to transport the plastic bottles in the dispersed form from the incoming material buffer warehouse to the light chain conveyor.

5. The plastic bottle price checking system according to claim 1, wherein the identification device is specifically configured to identify a target image region comprising the identification information in the identification images, and extract the identification information from the target image region. The accurate pricing device is specifically configured to determine the pricing parameters of the plurality of plastic bottles based on the identification information, the pricing parameters including a proportion distribution and / or a weight distribution of different material plastic bottles in the plurality of plastic bottles, and determine a preliminary pricing result of the plurality of plastic bottles based on the pricing parameters of the plurality of plastic bottles.

6. The plastic bottle pricing system of claim 5, wherein the preliminary pricing subsystem further comprises: a weighing device configured to measure a total weight of the plurality of plastic bottles. The accurate pricing device is specifically configured to determine the pricing parameters of the plurality of plastic bottles based on the identification information, the pricing parameters including a proportion distribution and / or a weight distribution of different material plastic bottles in the plurality of plastic bottles, and determine a preliminary pricing result of the plurality of plastic bottles based on the pricing parameters of the plurality of plastic bottles.

7. The plastic bottle pricing system of claim 1, wherein the plurality of plastic bottles include a plurality of large bottles and a plurality of small bottles, and the roller screen includes a first-stage roller screen and a second-stage roller screen. The first-stage roller screen is configured to screen out slag mixed in the plurality of plastic bottles. The second-stage roller screen is configured to sort the plurality of large bottles and the plurality of small bottles of the plurality of plastic bottles.

8. The plastic bottle pricing system of claim 7, wherein the eddy current sorter is a combined eddy current sorter, the plurality of small bottles include a plurality of metal bottles, and the combined eddy current sorter is configured to sort out each type of metal small bottle to obtain a corresponding sorting group of each type of metal small bottle.

9. The plastic bottle pricing system of claim 8, wherein the artificial intelligence robot includes a first artificial intelligence robot and a second artificial intelligence robot, the visible light sorter includes a plurality of visible light sorters, and the accurate pricing subsystem further includes a multi-channel sorter. The first artificial intelligence robot is configured to determine a corresponding sorting group of the plurality of large bottles based on the use of the plurality of large bottles. The second artificial intelligence robot, the plurality of visible light sorters, and the multi-channel sorter are configured to determine a corresponding sorting group of the small bottles remaining after the metal small bottles are sorted out based on the corresponding material.

10. The plastic bottle pricing system of claim 1, wherein the accurate pricing subsystem further includes a weighing device configured to measure the weight of each sorting group. The accurate pricing device is specifically configured to determine the pricing parameters of the plurality of plastic bottles based on the identification information, the pricing parameters including a proportion distribution and / or a weight distribution of different material plastic bottles in the plurality of plastic bottles, and determine a preliminary pricing result of the plurality of plastic bottles based on the pricing parameters of the plurality of plastic bottles. ​ ​ ​ ​ ​