CN219193518U - Automatic unstacking and conveying system for logistics goods - Google Patents

Abstract

The utility model relates to an automatic unstacking and conveying system for logistics cargos, which comprises a cargo conveying belt, wherein at least one of the left side and the right side of the cargo conveying belt is provided with a tray recycling belt, the automatic unstacking and conveying system also comprises a plurality of automatic unstacking machines which are arranged above or at one side of the tray recycling belt, the automatic unstacking machines are arranged side by side at intervals along the extending direction of the tray recycling belt, each automatic unstacking machine comprises a main frame, one side of the main frame is provided with an inlet for feeding a cargos, a lifting mechanism is arranged on the main frame, the top of the lifting mechanism is provided with a cargos placing platform, the main frame is provided with a cargo conveying channel communicated with the cargo conveying belt, and the main frame is also provided with a tray recycling channel communicated with the tray recycling belt; the main frame is provided with a first driving mechanism and a second driving mechanism. The common unstacking operation of a plurality of groups of goods stacks on a single goods conveying line is met, and unstacking efficiency of the goods stacks is improved.

Description

Automatic unstacking and conveying system for logistics goods

Technical Field

The utility model relates to an automatic unstacking and conveying system for logistics cargoes.

Background

With the rapid development of internet shopping, the number of people shopping on the internet is increased, according to statistics of national post office, the express delivery business volume and business income in 2020 are respectively 830 hundred million and 8750 hundred million, related practitioners are over 300 ten thousand, and logistics warehouses in all regions of the country are continuously expanded, so that the area of the warehouses is bigger and bigger, and most of the logistics warehouses at present need special people to transport goods from delivery to delivery by a forklift or directly carry the goods manually. Meanwhile, in order to meet the requirements of different cargo amounts, the cargo stacks are required to be independently packaged after being unstacked and separated, and then are stored or conveyed outwards, the existing unstacking mode is generally in a manual conveying and splitting mode, or is achieved through a forklift, a power-assisted mechanical arm and other simple equipment, and the time semiautomatic semi-manual splitting mode is long in whole splitting working period and low in working efficiency, and the labor intensity of manual unstacking and conveying is high, so that the damage is caused to the health of people.

In the prior art, a technical scheme of a full-automatic unstacking and conveying system exists, for example, a novel combined full-automatic unstacking and conveying system and a conveying method are disclosed in a Chinese patent document with the application publication number of CN113247565A, the full-automatic unstacking and conveying system comprises a feeding lifting unit, an unstacking unit, a conveying unit and a material arranging unit, a stack is specifically placed on a feeding conveying mechanism, the stack is conveyed to the feeding lifting mechanism by the feeding conveying mechanism, the stack is driven to rise step by the feeding lifting mechanism, and each cargo is conveyed to a crawler of a material receiving conveyor after being split one by the unstacking unit and then conveyed backwards; and the empty trays are finally conveyed to the rear side directly by the feed conveyor mechanism onto the tray recovery belt. The fully automatic unstacking and conveying system has the following problems: (1) The system overall structure is that the feeding lifting unit is arranged at the middle position, the tray recycling belt is connected to extend back and forth, in order to achieve rapid and efficient unstacking, the tracks of the receiving conveyor are arranged on the left side and the right side of the tray recycling belt, during operation of the unstacking unit on each receiving conveyor, after the stacks on the feeding lifting unit are split, the stacks are moved to the corresponding receiving conveyor one by one, the stacks are lifted and unstacked, conveying and other structures are too compact, the local position structure layout is too responsible, and follow-up overhaul and maintenance operations are affected. (2) When the system is in actual unpacking, only the single stack can be unpacked at a time, the operation of synchronously unpacking multiple stacks and even large batches of stacks can not be realized, and the integral unpacking efficiency can not meet the actual requirement.

Disclosure of Invention

The utility model aims to provide an automatic unstacking and conveying system for logistics cargoes, which aims to solve the problems that the unstacking system in the prior art is complicated in structure and affects overhaul and maintenance; and the single unstacking amount is less, so that the unstacking efficiency is affected.

In order to solve the problems, the automatic unstacking and conveying system for logistics cargoes adopts the following technical scheme:

the automatic unstacking and conveying system for the logistics cargos comprises a cargo conveying belt, wherein the cargo conveying belt is defined to extend along the front-back direction, at least one of the left side and the right side of the cargo conveying belt is provided with a tray recycling belt, the automatic unstacking and conveying system further comprises a plurality of automatic unstacking machines which are arranged above or at one side of the tray recycling belt, the automatic unstacking machines are arranged side by side at intervals along the extending direction of the tray recycling belt, each automatic unstacking machine comprises a main frame, one side of the main frame is provided with an inlet for feeding cargos, the main frame is provided with a lifting mechanism, the top of the lifting mechanism is provided with a cargo placing platform, the main frame is provided with a cargo conveying channel communicated with the cargo conveying belt, and the main frame is also provided with a tray recycling channel communicated with the tray recycling belt; the main frame is provided with a first driving mechanism for driving each layer of goods on the goods stack to move onto the goods conveying belt layer by layer from top to bottom, and a second driving mechanism for driving the pallet to move onto the pallet recycling belt from the goods stack placement platform.

Further, the cargo conveyor belt is arranged in parallel with the pallet recovery belt.

Further, the conveying direction of the cargo conveyor belt is opposite to the conveying direction of the pallet recycling belt.

Further, the main frame is arranged at one side of the tray recycling belt, the tray recycling channel is a tray slideway connected to the main frame, the lower end of the tray slideway is communicated with the tray recycling belt, and an empty tray slides into the tray recycling belt from the tray slideway.

Further, the main frame is arranged on one side of the tray recycling belt, a transfer belt extending towards the tray recycling belt is arranged on the stacking platform, the transfer belt forms the tray recycling channel, and when the transfer belt is equal to the tray recycling belt in height, the transfer belt drives the empty tray to move to the tray recycling belt.

Further, the main frame is arranged above the tray recycling belt, the tray recycling belt is provided with more than two sections arranged in a sectional mode, the stack placement platform is provided with a transfer belt extending towards the tray recycling belt, the transfer belt is positioned between the two sections of tray recycling belts to form a tray recycling channel, and when the transfer belt is equal to the tray recycling belt in height, the transfer belt drives an empty tray to move onto the tray recycling belt.

Further, the tray recycling belt is two, the tray recycling belt is distributed on the left side and the right side of the goods conveying belt, and the automatic unstacker is symmetrically arranged on the two sides of the goods conveying belt.

The beneficial effects of the utility model are as follows: compared with the prior art, the automatic unstacking and conveying system for logistics cargos has the advantages that the pallet recycling line is arranged beside the conventional cargo conveying line, lifting, unstacking, direction-dividing driving and other operations of cargos are realized through the automatic unstacking machine, unstacking and conveying of cargos and pallets are completely separated, common unstacking operation of a plurality of groups of cargos on a single cargo conveying line is met, the structure is simple, the conventional unstacking and conveying system can be directly improved on the original conveying line, the operation is convenient, and the unstacking efficiency of the cargos is greatly improved. In addition, the lifting and unstacking operation of the goods stack is completely separated from the conveying of the goods and the trays, and when the maintenance is needed, the maintenance is only needed for each automatic unstacking machine, and the maintenance is convenient.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the following briefly describes the drawings that are required to be used in the embodiments:

FIG. 1 is a schematic diagram of an embodiment of the unstacking conveyor system of the present utility model;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a right side view of the automatic unstacker of FIG. 2;

FIG. 4 is a top view of the automated destacking machine of FIG. 2;

FIG. 5 is a partial perspective view of the tray chute of FIG. 4 at the mouth position;

FIG. 6 is a position assembly view of the outlet and the receiving base of FIG. 5;

FIG. 7 is a flow chart of the unstacking of the cargo in the automated unstacking machine of FIG. 3;

FIG. 8 is a tray recycling flowchart of the automatic unstacker of FIG. 3;

fig. 9 is a flow chart of the tray of fig. 8 falling onto the tray recycling belt.

Reference numerals illustrate: 1-a cargo conveyor belt; 2-tray recovery belts; 3-an automatic unstacker; 4-stacking; 5-a tray; 6-a lifting mechanism; 7- -a stack positioning platform; 8-cargo export; 9-tray outlet; 10-cargo slides; 11-pallet slideway; 12-a first push plate; 13-a second push plate; 14-a first electronic control slide block; 15-a second electronic control slide block; 16-a first rail; 17-a second rail; 18-a hydraulic push rod; 19-a bracket; 20-positioning a sensor; 21-an arcuate guide section; 22-a tilt correction section; 23-a tray outlet; 24-a buffer plate; 25-rebound hinge; 26-a receiving base; 27-a guide surface; 28-horizontal plane; 29-opening the notch; 30-a protective net; 31-a main frame; 32-cargo stock detection sensor.

Detailed Description

In order to make the technical purpose, technical scheme and beneficial effect of the present utility model more clear, the technical scheme of the present utility model is further described below with reference to the accompanying drawings and specific embodiments. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

As shown in fig. 1-9, the destacking conveying system comprises a destacking conveying line, the destacking conveying line is defined to extend along the front and back directions, the destacking conveying line comprises a cargo conveying belt 1, tray recovery belts 2 are respectively arranged on the left side and the right side of the cargo conveying belt 1, the cargo conveying line and the tray recovery belts 2 are relatively parallel and are arranged along the front and back directions, and automatic destacking machines 3 are respectively arranged on the left side and the right side of the destacking conveying line, and in the embodiment, in order to increase destacking efficiency, the automatic destacking machines 3 are provided with a plurality of groups and are uniformly distributed along the front and back directions at intervals. Of course, in other embodiments, the number of the automatic unstacking machines 3 may be arbitrarily set according to actual needs, and is not particularly limited.

For the automatic unstacking machine 3, in this embodiment, the unstacking machine 3 on the left side of the unstacking conveying line includes a main frame 31, the main frame 31 is a rectangular frame structure formed by surrounding beams and columns, a lifting mechanism 6 is fixed on the bottom side of the main frame 31, a stack positioning platform 7 is arranged on the top of the lifting mechanism 6, in this embodiment, the lifting mechanism 6 is a cross arm type lifter, and the structure and the working principle of the cross arm type lifter are consistent with those of the prior art, and are not described in detail. The stack positioning platform 7 is used for placing the stacked stacks 4 on the stack positioning platform 7 by a forklift in operation.

The right side of the main frame 31 is provided with a goods outlet 8, and the rear side of the main frame 31 is provided with a tray outlet 9, and the goods stack positioning platform 7 has a placing position which moves downwards to a low position for a forklift to place the goods stack 4 on in the process of lifting up and down; the working positions are also arranged for intermittently moving upwards to correspond the goods of each layer and the trays 5 of the goods stack 4 to the goods outlet 8 and the tray outlet 9 layer by layer from top to bottom; the stack positioning platform 7 can be controlled by a program to work by the lifting mechanism 6, and the stack positioning platform 7 is driven to move up to a designated height. The automatic conveying of logistics goods can be realized. The cargo outlet 8 and the tray outlet 9 in this embodiment are each formed by a gap between the uprights of the main frame 31, and in other embodiments, the openings may be specially designed at a set height for removal of the tray 5 and cargo.

A cargo slideway 10 is connected between the cargo outlet 8 and the cargo conveyor belt 1, the outlet of the cargo slideway 10 extends towards the cargo conveyor belt 1, and the unstacked cargo directly falls onto the cargo conveyor belt 1 after passing through the cargo slideway 10. In addition, in order to ensure that the position of the goods falling on the goods conveyor belt 1 is accurate, the collision force between the goods and the conveyor belt is reduced, and the goods are guaranteed to be conveyed in a lossless manner, in this embodiment, the goods slide 10 is an arc slide extending from the goods outlet 8 in an outwards gradually downward inclined manner. A tray slideway 11 is also connected between the tray outlet 9 and the tray recycling belt 2, and the tray slideway 11 is used for guiding the empty tray 5 after unstacking to the tray recycling belt 2.

In order to realize the driving of the goods and the tray 5, in this embodiment, the top of the main frame 31 is movably equipped with a first push plate 12, and the main frame 31 is further provided with a first driving mechanism for driving the first push plate 12 to reciprocate toward and away from the goods outlet 8 so as to push the single-layer goods on the stack 4 to the goods outlet 8; the top of the main frame 31 is also movably provided with a second push plate 13, and the main frame 31 is also provided with a second driving mechanism for driving the second push plate 13 to reciprocate towards and away from the tray outlet 9 so as to drive the empty tray 5 to the tray outlet 9.

For the first driving mechanism, a first guide rail 16 is arranged on one side above the stack positioning platform 7, the first guide rail 16 extends along the front-back direction and is parallel to the conveying direction of the cargo conveyor belt 1, the first driving mechanism comprises a first electric control slide block 14 assembled on the first guide rail 16 in a guiding way, the first electric control slide block 14 slides along the first guide rail 16, a hydraulic push rod 18 is connected to the first electric control slide block 14, the output end of the hydraulic push rod 18 is connected with the first push plate 12, and the first push plate 12 is positioned on the left side inside the main frame 31 and positioned outside the left-right outline of the stack 4 in an initial state so as to prevent interference on the lifting path of the stack 4. When pushing goods, the first electric control sliding block 14 drives the first push plate 12 to the middle position of the first guide rail 16, meanwhile, the output end of the hydraulic push rod 18 stretches out to drive the first push plate 12 to move towards the goods, the goods are pushed to the goods outlet 8, and then the goods slide into the goods conveying belt 1 through the goods slide way 10.

In order to facilitate the adjustment of the front and rear positions of the first electrically controlled sliding block 14, the main frame 31 is further provided with racks arranged parallel to the first guide rail 16, and the upper and lower ends of the first electrically controlled sliding block 14 or the hydraulic push rod 18 are respectively provided with gears, which are engaged with the racks, so as to ensure the stability and the position accuracy when the first electrically controlled sliding block 14 drives the first push plate 12 to adjust the front and rear positions.

For the second driving mechanism, the second guide rail 17 above the stack positioning platform 7, the second guide rail 17 extends along the front-rear direction, the second driving mechanism comprises a second electric control slide block 15 assembled on the second guide rail 17 in a guiding way, a bracket 19 overhanging near the middle position of the front side of the main frame 31 is fixedly connected on the second electric control slide block 15, and the second push plate 13 is connected at the lower end of the bracket 19 and far away from one side of the tray outlet 9. When the tray 5 needs to be recovered, the second electric control sliding block 15 works to drive the second push plate 13 to dial the tray 5 from front to back, move the tray 5 to the tray outlet 9 and slide down onto the tray recovery belt 2 through the tray slideway 11.

Preferably, as shown in fig. 2, for the tray slideway 11, the tray slideway 11 is arranged in a vertical posture along the up-down direction, the vertical slideway can effectively shorten the length of the whole recycling belt when the tray 5 is recycled, the vertical slideway is arranged at the rear side of the main frame 31, the inlet of the tray slideway 11 is opposite to the tray outlet 9, the outlet extends to the upper side of the tray recycling belt 2 on the right side of the main frame 31, and the bottom of the tray slideway 11 is provided with a tray outlet 23 which is suspended above the tray recycling belt 2. To achieve posture adjustment, in this embodiment, the tray slide 11 includes an arc-shaped guide section 21 connected to the tray outlet 9 to adjust the empty tray 5 to a vertical posture, and an inclination correction section 22 extending gradually from top to bottom toward the recovery belt is connected between the arc-shaped guide section 21 and the tray outlet 23. When the tray 5 is pushed into the tray slideway 11 horizontally from the tray outlet 9, the tray 5 is guided by the arc-shaped guide section 21 to be adjusted to fall in a vertical posture, the tray 5 can be stably adjusted to fall in the vertical posture by the arc-shaped guide section 21, after the adjustment is completed, the tray 5 automatically falls down and passes through the inclination correction section 22, and the position of the tray 5, which enables the bottom surface of the tray to horizontally fall out of the tray opening 23, is corrected.

In this embodiment, in order to realize that the tray can automatically enter the tray recycling belt 2 when being output from the tray outlet 23, a receiving base 26 for receiving the dropped tray 5 is arranged under the tray outlet 23, specifically, the tray recycling belt 2 has two sections, a gap between the two sections is located under the tray outlet 23, the receiving base 26 is installed in the gap, the top of the receiving base 26 has a guiding surface 27 extending downward and inclined onto the tray recycling belt 2, and the guiding surface 27 is used for guiding the empty tray 5 to be obliquely conveyed onto the tray recycling belt 2. The inclination angle of the guide surface 27 is about 4 °, so that the fallen tray 5 can be ensured to contact the belt on the tray recovery belt 2. In addition, a horizontal plane 28 connected with the guide surface 27 is provided at the front edge of the upper end of the receiving base 26, the horizontal plane 28 can ensure that the top surface of the receiving base 26 is not sharp, so as to avoid stabbing the equipment or people, the height of the horizontal plane 28 is in the same horizontal line with the highest point of the tray recovery belt 2, and the tray 5 conveyed from the front is ensured not to be blocked.

The outlet of the tray outlet 23 is also provided with a buffer plate 24, and the buffer plate 24 is rotatably connected to one side of the tray outlet 23, which is away from the tray recycling belt 2, through a rebound hinge 25. The setting of this buffer board 24 can block up in the below of exit 23, and buffer board 24 is in the closed condition before tray 5 whereabouts, and when tray 5 dropped, the opening speed of buffer board 24 was slowed down, reduced the whereabouts speed of tray 5, protection tray 5 and accept base 26, avoid the position deviation that tray 5 drops fast and leads to simultaneously. In addition, the buffer plate 24 connected through the rebound hinge 25 can play a certain guiding role on the bottom of the tray 5 in the swinging posture during opening and closing, so that the bottom of the tray 5 has a backward moving trend through the guiding of the buffer plate 24 when the tray does not slide out of the tray outlet 23, and the tray 5 can move from the receiving base 26 to the tray recycling belt 2 more conveniently.

In order to ensure that the tray 5 can be smoothly adjusted to a horizontal posture after falling in the tray slideway 11, an open notch 29 is formed in the side wall of the rear side of the tray outlet 23, and enough gaps can be reserved in the open notch 29, so that the tray 5 is ensured to be inclined smoothly, and the clamping is avoided.

In this embodiment, in order to realize the accurate positioning detection of the lifting height of the stack 4, the positioning sensor 20 is arranged at the top of the main frame 31 corresponding to the height position of the cargo outlet 8, and meanwhile, in order to monitor the cargo amount corresponding to the height position of the cargo outlet 8 in real time, the cargo stock detection sensor 32 is arranged at the position corresponding to the height position of the cargo on the upright post of the self-grabbing frame, the cargo stock detection sensor 32 is mainly used for detecting the allowance of a single-layer cargo during unstacking, after the single-layer cargo is completely pushed out, the cargo stock detection sensor 32 detects no cargo, a signal is transmitted to the background control terminal, the background control terminal transmits a control signal to the electronic control module of the lifting mechanism, the lifting mechanism can continuously lift, and the next top-layer cargo on the stack is lifted upwards until the positioning sensor 20 detects the in-place signal of the cargo to stop working. In this embodiment, the positioning sensor may be a proximity sensor or a pressure sensor, and is not particularly limited. The stock detection sensor 32 may be an infrared detection sensor, which may be provided in two, approximately structured as shown in fig. 4, respectively disposed on the two columns of the main frame 30 and horizontally cross-detected above the stack to ensure a single-layer area position covering the entire stack.

In order to prevent the falling of the cargo, damage the cargo, and to protect the cargo recovery bin 6 from collision, a fall protection net 30 is provided in the rear side of the lifting frame 193.

The automatic unstacking machine 3 mainly comprises the following control flow: 1. lifting the goods; the bottom lifting mechanism 6 is matched with an electronic control module through hydraulic pressure or driven through a machine, the lifting height of the goods stack positioning platform 7 is adaptively adjusted by the system according to the goods size data input by the background, the goods on the uppermost layer are always guaranteed to be at a preset height, the use amount of the goods at the current height is detected through the positioning sensor 20, and accordingly the lifting of the lifting mechanism 6 is automatically controlled. 2. Standby procedure: when the goods reach the preset height, the program triggers the first push plate 12 to move, and when the first push plate 12 contacts the goods, the pressure sensor carries out signal feedback, the push rod stops, and the equipment stands by; 3. and (3) automatic throwing: the PC control end scans codes and inputs a warehouse outlet bill, the equipment unit automatically receives a working instruction, namely, the amount of the delivered goods, and triggers the first push plate 12 to move at fixed distance, so that the goods are pushed into the arc-shaped slideway and fall onto the goods conveyor belt 1; when the cargo stock detection sensor 32 detects that no cargo exists at the current height, triggering the platform to continue lifting according to the preset height, so as to ensure that the cargo of the second layer is continuously put in; fourth, the method comprises the following steps: the tray 5 is retrieved, and after the whole input of goods buttress 4 was accomplished, the procedure triggered the action of second push pedal 13, pushes into tray 5 to tray slide 11 in, has tray slide 11 arc direction function to fall into tray 5 storehouse in, and tray 5 slides out in the storehouse and falls onto tray 5 conveyer belt, realizes destacking and tray 5 is retrieved.

Example 2: the difference from embodiment 1 is that the main frame in embodiment 1 is disposed at one side of the tray recycling belt, the tray recycling channel is a tray slideway connected to the main frame, the lower end of the tray slideway is communicated with the tray recycling belt, and the empty tray slides onto the tray recycling belt from the tray slideway; in the embodiment, the main frame is arranged at one side of the tray recycling belt, the stack positioning platform is provided with the transfer belt extending towards the tray recycling bag, the transfer belt can be formed by structural layout of a driving motor, a chain, a guide plate and the like, the tray is guided to the assembly guide plate, and the driving motor drives the chain to rotate so as to drive the tray to reciprocate on the stack positioning platform; the transfer belt forms a tray recovery channel, and when the transfer belt is at the same height as the tray recovery belt (for example, when the stack positioning platform is in a working position, the tray recovery belt is at the same height as the transfer belt, and when the stack positioning platform is in a placing position, the tray recovery belt is at the same height as the transfer belt); the transfer belt works to drive the empty trays to horizontally move to the tray recovery belt, and the scheme is different from the embodiment 1 in that the recovery mode of the trays can be replaced by a sliding way sliding through a horizontal butt joint mode.

Example 3: the difference with embodiment 1 is that the main frame is arranged above the tray recycling belt, the tray recycling belt is provided with more than two sections arranged in a sectional mode, the pallet stack placing platform is provided with a transfer belt extending towards the tray recycling belt, the transfer belt is positioned between two sections of tray recycling belts to form a tray recycling channel, when the transfer belt is at the same height as the tray recycling belt, the transfer belt drives an empty tray to move onto the tray recycling belt, and when in actual operation, the transfer belt rises along with the lifting mechanism to complete unstacking, the unstacking is completed, the transfer belt falls to the same height position as the tray recycling belt along with the lifting mechanism, and the transfer belt works to drive the tray to move onto an adjacent section of tray recycling belt.

Of course, in other embodiments, only one tray recycling belt may be provided, disposed on one side of the cargo conveyor belt; and (5) designing according to the actual factory layout.

In other embodiments, the pallet recovery band and the cargo conveyor may be arranged at a set angle, simply by increasing the length of the ramp or the working path length of the jaws.

In other embodiments, the first driving mechanism may take the form of a conveyor-type transfer belt instead of a combined structure of the second push plate and the slide way; the device can also be replaced by a form of clamping by a sucker and a mechanical arm; the second driving mechanism can adopt a structure of replacing the first push plate by adopting modes of sucking discs, mechanical arm clamping and the like.

Finally, what should be said is: the above embodiments are only for illustrating the technical solution of the present utility model, and any equivalent replacement of the present utility model and modification or partial replacement without departing from the spirit and scope of the present utility model should be covered in the scope of the claims of the present utility model.

Claims (7)

1. The automatic unstacking and conveying system for the logistics cargos is characterized by comprising a cargos conveying belt, wherein the cargos conveying belt is defined to extend along the front-rear direction, at least one of the left side and the right side of the cargos conveying belt is provided with a pallet recycling belt, the automatic unstacking and conveying system further comprises a plurality of automatic unstacking machines which are arranged above or at one side of the pallet recycling belt, the automatic unstacking machines are arranged side by side at intervals along the extending direction of the pallet recycling belt, each automatic unstacking machine comprises a main frame, one side of the main frame is provided with an inlet for feeding a cargos, a lifting mechanism is arranged on the main frame, the top of the lifting mechanism is provided with a cargos placing platform, the main frame is provided with a cargos conveying channel communicated with the cargos conveying belt, and the main frame is further provided with a pallet recycling channel communicated with the pallet recycling belt; the main frame is provided with a first driving mechanism for driving each layer of goods on the goods stack to move onto the goods conveying belt layer by layer from top to bottom, and a second driving mechanism for driving the pallet to move onto the pallet recycling belt from the goods stack placement platform.

2. The automated unstacking conveyor system of claim 1 wherein said cargo conveyor belt is disposed in parallel with said pallet recovery belt.

3. The automatic unstacking conveyor system according to claim 2 wherein the direction of conveyance of said cargo conveyor belt is opposite to the direction of conveyance of said pallet recovery belt.

4. The automatic unstacking and conveying system for logistics cargoes according to claim 2, wherein the main frame is arranged on one side of the tray recycling belt, the tray recycling channel is a tray slideway connected to the main frame, the lower end of the tray slideway is communicated with the tray recycling belt, and an empty tray slides into the tray recycling belt from the tray slideway.

5. The automatic unstacking and conveying system for logistics cargoes according to claim 2, wherein the main frame is arranged on one side of the tray recycling belt, a transfer belt extending towards the tray recycling belt is arranged on the stacking platform, the transfer belt forms the tray recycling channel, and when the transfer belt is at the same height as the tray recycling belt, the transfer belt drives an empty tray to move onto the tray recycling belt.

6. The automatic unstacking and conveying system for logistics cargoes according to claim 2, wherein the main frame is arranged above the tray recycling belt, the tray recycling belt is provided with more than two sections arranged in a sectional mode, a transfer belt extending towards the tray recycling belt is arranged on the stacking platform, the transfer belt is located between two sections of tray recycling belts to form the tray recycling channel, and when the transfer belt is at the same height as the tray recycling belt, the transfer belt drives an empty tray to move onto the tray recycling belt.

7. The automatic unstacking and conveying system for logistics cargos as claimed in any one of claims 1 to 6, wherein two trays are recovered and distributed on the left and right sides of the cargo conveyor belt, and the automatic unstacking machine is arranged on the left and right sides of the cargo conveyor belt symmetrically.

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