CN114148657A

CN114148657A - Tray removing and layering and laminating method and system for tray packaging unit and using steps

Info

Publication number: CN114148657A
Application number: CN202111360498.9A
Authority: CN
Inventors: 杨小虹; 黎湘颖; 萧国能
Original assignee: Guangzhou Green Infinity Technology Co ltd
Current assignee: Guangzhou Green Infinity Technology Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-03-08
Anticipated expiration: 2041-11-17
Also published as: CN114148657B

Abstract

The invention discloses a method, a system and a using step for tray removing and layering and stacking of a tray packaging unit, wherein the method for tray removing and layering and stacking of the tray packaging unit comprises the following steps: s1, conveying the first tray packaging unit to a turnover station; s2, turning the first tray container unit by 90 degrees towards the side direction; s3, conveying the unit goods of the first pallet container unit to the overturning direction, and then removing the pallet from the bottom surface of the unit goods of the first pallet container unit; s4, continuously conveying the unit cargos of the first tray container unit forwards to a temporary storage station to be layered; s5, repeating the steps S1-S3 for the second pallet container unit, and layering the top surface of the unit goods of the second pallet container unit and the bottom surface of the unit goods of the first pallet container unit in the process of conveying to the overturning station after the top surfaces of the unit goods of the second pallet container unit and the bottom surfaces of the unit goods of the first pallet container unit are attached together; and S6, turning the layered and laminated unit cargos backwards by 90 degrees to be in a vertical state, and realizing the lamination and heightening of the unit cargos.

Description

Tray removing and layering and laminating method and system for tray packaging unit and using steps

Technical Field

The invention relates to the technical field of integrated unit cargo vehicle integral loading, in particular to a method and a system for tray removing, layering and stacking of a tray packaging unit and a use step of the tray packaging unit.

Background

According to the national standard, the definition of unit goods is: a group of goods or packages are assembled together by one or more means to form an integral unit for handling, transportation, stacking and storage. The definition of the pallet container unit is: the unit goods and the pallet form a whole. The package assemblies are stacked on pallets, with appropriate fixings for mechanical handling and transport. The unit load is, as defined above, an integral unit of a stack of pallets on pallets without pallets.

At present, in logistics operation at home and abroad, the unitization logistics technology of the tray packaging unit is widely applied, for example, in an automatic production and storage system of a factory, the unitization logistics automatic operation based on a standard tray already covers all the logistics flow in the factory.

However, in the loading and unloading transportation link of product circulation, especially in long-distance transportation, export transportation, and logistics transportation business requiring high loading rate, low transportation cost, low energy consumption, and low pollution of vehicles and containers, if the loading and unloading transportation operation is performed by adopting the unitized material flow technology mode of the tray packaging unit, the problems of reduced vehicle loading rate, high tray cost, or difficulty in recycling, etc. will occur, and the transportation cost and the tray cost will be greatly increased, and the consequences of increased energy consumption, increased pollution, etc. will be caused. Therefore, in order to save the logistics cost, most of large-scale automated manufacturing enterprises and small and medium-sized enterprises interrupt the tray unitization operation when the products are delivered out of the warehouse, and manually load and unload the products one by one, and transport the products without the trays.

However, the manual loading and unloading operation of goods one by one has many disadvantages, mainly including: the method has the advantages of large manpower consumption, low logistics system efficiency, poor operation quality, high cargo breakage rate, influence on product and enterprise images, incapability of adapting to the greatly increased business requirements of production and sales, and the like.

But the adoption of manual loading and unloading is an inexhaustible choice for enterprises. Because the manual work of sacrificing operating efficiency and operating quality loads and unloads the operation one by one, can improve the real load rate of vehicle or container to remove the tray expense or retrieve the difficult problem, save a large amount of transportation and tray expenses.

In the logistics transportation business of the technical mode of unitization logistics of the tray packaging unit, the widespread adoption of the pain point and the defect of the operation mode of carrying the tray transportation or the adoption of the bottleneck and the defect of the operation mode of carrying out the transportation without the tray and manually loading and unloading one by one piece form a trouble to the logistics industry for a long time and will continue to continue, and the consumption reduction and the efficiency improvement of social logistics activities are influenced and limited.

In addition, if the tray loading unit is subjected to tray removal and stacking operation in a layered and stacked manner, the tray loading unit is subjected to tray removal and re-stacking operation by adopting a robot technology, due to the structure of the product carton and the weight of the product, the robot cannot realize the whole tray removal and layered and stacked operation according to the cargo level of the tray loading unit, and only single-piece operation can be performed, which causes the unitized operation to be interrupted in the process, and as a result, the efficiency of the single-piece operation is still low, and the operation cost is still high.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a method, a system and a using step for tray removing, layering and stacking of tray packaging units, which are used for collecting unit cargos into an integral whole carload stack suitable for the height required by loading so as to carry out integral loading operation of the integrated unit cargos and obtain the loading, unloading and transporting operation effects with high efficiency, low consumption, environmental protection and the like.

In order to solve the technical problems, the technical scheme provided by the invention is as follows:

a method for depalletizing, layering and stacking pallet containerization units, the pallet containerization units comprising pallets and unit goods placed on the pallets, comprising the steps of:

s1, conveying the first tray packaging unit to a turnover station, and limiting one side surface and the top surface of the first tray packaging unit;

s2, the first tray container unit is turned over 90 degrees towards the limited side direction, so that the unit goods of the first tray container unit are in a front lying state, and the tray of the first tray container unit is in a vertical state;

s3, releasing the top surface of the first pallet loading unit, conveying the unit cargo of the first pallet loading unit in the direction of the top surface of the first pallet loading unit in a short distance, separating the unit cargo of the first pallet loading unit from the pallet of the first pallet loading unit, and completely removing the pallet of the first pallet loading unit from the bottom surface of the unit cargo of the first pallet loading unit;

s4, continuously conveying the unit cargoes of the first tray container unit forwards to a temporary storage station to be layered;

s5, repeating the steps S1-S3 for the second pallet container unit, and conveying the unit goods of the second pallet container unit to the direction of the temporary storage station to be layered until the top surface of the unit goods of the first pallet container unit is attached to the bottom surface of the unit goods of the first pallet container unit; then conveying the stack formed by the two unit goods which are attached together to the overturning station until the corresponding layer number of the stack completely enters and is positioned on the overturning station according to the layering requirement, stopping conveying the unit goods positioned on the temporary storage station to be layered, continuously maintaining the conveying of the stack which is positioned on the overturning station and is layered, and limiting the top surface of the stack which is layered again;

s6, the layered stack is turned backwards by 90 degrees, so that the layered stack lying in front is turned to be in a vertical state, and the stacking and heightening of unit goods are realized.

A tray loading unit tray removing and layering and stacking system comprises a tray and unit goods placed on the tray, and comprises a front lying tray removing unit and a front lying layering unit which are matched with each other, wherein the front lying tray removing unit comprises a goods stack overturning machine, and the goods stack overturning machine is used for overturning the tray loading unit and the unit goods to one side by 90 degrees to enable the tray loading unit and the unit goods to be in a front lying state and a sitting state to be converted; the front lying layering unit comprises a temporary storage and layering conveying line capable of carrying in a reciprocating and bidirectional mode, and the temporary storage and layering conveying line is connected with one end of the goods stack overturning machine.

Further, the goods pile overturning machine comprises an overturning main frame and overturning power; wherein the upset body frame includes upset machine main shaft, goods buttress bottom surface transfer chain and goods buttress meet the face transfer chain, goods buttress bottom surface transfer chain, goods buttress meet the face transfer chain with upset machine main shaft fixed connection together, contained angle between goods buttress bottom surface transfer chain, the goods buttress meet the face transfer chain is 90, the upset machine main shaft with the output fixed connection of upset power is in the same place, makes goods buttress bottom surface transfer chain, goods buttress meet the face transfer chain be in before the state of lying and sit upright state conversion.

Further, goods buttress bottom surface transfer chain includes bottom surface transfer wire frame, bottom surface transfer chain belt and bottom surface transfer chain and moves biography device, wherein bottom surface transfer chain belt cover is established on the bottom surface transfer wire frame, bottom surface transfer chain move biography device's output with bottom surface transfer chain belt links together.

Further, goods buttress meet one's face transfer chain includes that meet one's face transfer chain frame, meet one's face transfer chain belt and meet one's face transfer chain move biography device, wherein meet one's face transfer chain belt cover and establish on the meet one's face transfer chain frame, meet one's face transfer chain move the output of passing device with meet one's face transfer chain belt links together.

Furthermore, the turnover mechanism also comprises a driven gear and a turnover transmission device which are meshed with each other, wherein the driven gear is fixed on the main shaft of the turnover machine, and the turnover transmission device is fixedly connected with the output end of the turnover power.

The device further comprises a goods pile top surface holding rod, wherein the goods pile top surface holding rod comprises a left swing arm, a right swing arm, a round cross rod and a swing arm cylinder; the two swing ends of the left and right swing arms are connected with the round cross rod to form a door-shaped structure, and the vicinities of the two fixed ends of the left and right swing arms are fixedly connected with the output end of the swing arm cylinder; the goods buttress top surface handrail sets up on the face-on conveying wire frame.

Furthermore, the front-lying tray removing unit also comprises a vertical tray puller used for pulling the tray in a vertical state after the front lying of the tray container unit out of the bottom of the unit goods, and the vertical tray puller is arranged on the side surface of the goods stack overturning machine.

Further, the erect tray puller comprises a puller frame used for conveying erect trays and a tray pulling-out device used for pulling out the trays, and the tray pulling-out device is suspended above the puller frame.

Further, the puller frame comprises an upright tray roller line, and the tail end of the upright tray roller line extends to the stack turnover machine and is connected with the stack turnover machine.

Further, the tray pulling-out device comprises a one-way draw hook, a draw hook slide rail and a draw hook driving cylinder, the draw hook slide rail is laid along the length direction of the vertical tray roller line, and the one-way draw hook is arranged on the draw hook slide rail in a sliding mode and is fixedly connected with the output end of the draw hook driving cylinder.

Furthermore, the frame of the pulling machine also comprises a frame component and a vertical tray flange which are vertically arranged relatively, and the vertical tray roller line is laid in a gap between the frame component and the vertical tray flange.

Furthermore, the front-lying tray removing unit further comprises a conveying transfer vehicle for conveying the tray container units or the unit cargos, and the conveying transfer vehicle is connected with the cargo stack overturning machine and the unit cargo gathering operation process in a dynamic input-output mode.

Further, the conveying transfer vehicle comprises a transfer vehicle body and a transfer transmission device, wherein the transfer vehicle body is used for bearing the tray container units or the unit cargos, and the transfer vehicle body is movably arranged on the transfer transmission device.

Furthermore, the moving and transmission device comprises a moving sliding block, a moving sliding rail and moving power, two ends of the moving sliding rail are respectively connected with the goods stack overturning machine and the unit goods collecting operation process, the moving sliding block is arranged on the moving sliding rail in a sliding mode and fixedly connected with the moving vehicle body, the moving power comprises a moving external member and driving power, and the moving power is arranged on the lower portion of the moving vehicle body.

Further, the conveying transfer cart further comprises a flat top chain conveying device, the flat top chain conveying device comprises a flat top conveying chain capable of being conveyed in a two-way mode, a conveying external member and conveying power, the conveying external member is fixedly installed on the transfer cart body, and the flat top conveying chain is rotatably sleeved on the conveying external member and is fixedly connected with the output end of the conveying power.

The temporary storage and layering conveying line comprises a temporary storage and layering machine frame, a temporary storage and layering belt line and a temporary storage and layering transmission device, wherein the temporary storage and layering belt line is arranged on the temporary storage and layering machine frame in a reciprocating manner and is fixedly connected with the output end of the temporary storage and layering transmission device; the outer end of the temporary storage and layering belt line is set to be an inlet and outlet conveying end, the temporary storage and layering belt line is arranged in the state that the tray container unit and the unit goods are in front lying, and the inlet and outlet conveying end is connected with one end of the goods stack overturning machine in a conveying mode.

Furthermore, the front lying layering unit also comprises a follow-up plate leaning device used for keeping the unit goods in the front lying state in a correct running state in operation, and the follow-up plate leaning device is arranged on the temporary storage and layering conveying line in a reciprocating manner.

Further, the follow-up backup plate machine comprises a follow-up backup plate and a follow-up transmission device, the follow-up backup plate is arranged on the temporary storage and layering conveying line in a vertical state, the follow-up backup plate is fixedly connected with an output shaft of the follow-up transmission device, and the follow-up backup plate correspondingly follows the temporary storage and layering conveying line to move back and forth.

The use steps of the tray assembly unit tray removing and layering and laminating system comprise the following steps:

p1, when the operation starts, the conveying transfer vehicle of the front lying tray removing unit is connected with the delivery conveying line of the tray packaging unit;

p2, arranging a bottom conveyor line of the stack overturning machine on a horizontal position, enabling the bottom conveyor line of the stack and the conveying transfer vehicle to be in an input connection state of a tray packaging unit, and enabling a front conveyor line of the stack overturning machine to be in a vertical state of stopping running;

p3, inputting the first tray assembly unit to the conveying transfer vehicle, and transferring the first tray assembly unit to the bottom conveying line of the stack by the conveying transfer vehicle, so that the forward side surface of the first tray assembly unit is attached to the front conveying line of the stack, and the top surface support rod of the stack overturning machine is attached to the top surface of the tray assembly unit;

p4, the stack overturning machine is overturned forward by 90 degrees, so that the first tray packaging unit is overturned forward until the stack head-on conveying line is overturned to the horizontal position, and at the moment, the first tray packaging unit is already overturned on the stack head-on conveying line, and the tray is in the vertical state; dropping the supporting rods on the top surface of the pallet assembly unit to the outer end of the goods pile head-on conveying line from the top surface of the pallet assembly unit, wherein the supporting rods are not higher than the conveying plane of the goods pile head-on conveying line;

p5, conveying the first pallet container unit in front lying state to the outer end of the goods pile head-on conveying line for a short distance, so that the first unit goods in front lying state and the first pallet are out of gravity or pressure connection; then, completely pulling out the first tray transversely by using a tray pulling-out device of the vertical tray pulling-out machine;

p6, starting a follow-up plate leaning device, and enabling a follow-up plate leaning device of the follow-up plate leaning device to run to the inlet and outlet conveying end of the temporary storage and layered conveying line; starting the goods stack head-on conveying line to convey the first unit goods in the front lying state from the goods stack head-on conveying line to the temporary storage and layered conveying line, wherein when the top surface of the first unit goods in the front lying state is conveyed to the in-out conveying end, the top surface of the first unit goods in the front lying state is abutted against the follow-up backup plate; starting the temporary storage and layering conveying line and the follow-up plate leaning device at the same time, enabling the temporary storage and layering conveying line and the follow-up plate leaning device to simultaneously convey and move towards the inner end of the temporary storage and layering conveying line at the same speed with the goods stack head-on conveying line until the first unit goods in the front lying state are completely conveyed to the temporary storage and layering conveying line from the goods stack head-on conveying line for temporary storage in a layering mode, wherein the bottom surface of the first unit goods in the front lying state, the connecting line of the goods stack head-on conveying line and the input-output conveying end are on the same plane, and the top surface of the first unit goods in the front lying state is leaned against the follow-up plate leaning device to be located at the inner end of the temporary storage and layering conveying line;

p7, repeating the above operations from P1 to P5, and conveying the second unit cargo in front lying state to the temporary storage and layered conveying line on the cargo pile facing conveying line until the top surface of the second unit cargo is attached to the bottom surface of the first unit cargo, and the attached first unit cargo and second unit cargo are connected into a flat cargo pile; then, the goods stack head-on conveying line, the temporary storage and layering conveying line and the follow-up backup plate are conveyed or moved to the inner end direction of the goods stack head-on conveying line at the same speed, until the goods with the corresponding layers of the goods stack in the front lying state completely enter and are positioned on the goods stack head-on conveying line according to the layering requirement, the conveying of the temporary storage and layering conveying line and the follow-up movement of the follow-up backup plate are stopped, the conveying of the layered goods stack on the goods stack head-on conveying line is continuously kept, and the layered goods stack is attached to the vertical goods stack bottom conveying line; supporting the top surface of the cargo pile which is in a front lying state and is added with a layer by utilizing a cargo pile top surface supporting rod;

p8, turning the stack turnover machine backwards by 90 degrees until the bottom conveying line of the stack is in a horizontal position, and enabling the stack in a front lying state to be restored to a vertical state on the bottom conveying line of the stack; and separating the top surface of the goods stack from the top surface of the goods stack with the added layer, simultaneously starting the bottom surface conveying line of the goods stack and a flat-top conveying chain for conveying the transfer car, conveying the unit goods of the goods stack with the added layer to the conveying transfer car, and transferring the unit goods to the next collection process through a movable slide rail by the conveying transfer car.

The invention has the beneficial effects that:

the tray collection unit tray removing, layering and laminating method, system and use steps for the whole vehicle integral loading system for collecting unit cargos and performing tray removing, layering and laminating on the unit cargos on the trays can be used for linking automatic production of a factory or a logistics center and unitization and unit integration logistics operation of a storage system, realizing that the tray collection units are processed into the unit cargos with tray removing, layering and laminating according to the loading requirement height, and providing technical support for further forming the unit cargos into the whole vehicle integral cargo stack and performing whole vehicle integral loading. Compared with the existing widely-adopted manual loading, conveyor loading and forklift loading technologies, the technical system and the operation method can obtain the beneficial effects of high automation, high efficiency, high quality, low consumption, low cost and environment-friendly logistics operation.

Drawings

FIG. 1 is a schematic perspective view of a depalletizing and stacking system of a pallet assembly unit of the present invention in a preferred embodiment;

2-2.1 are schematic perspective views of a transport cart according to the present invention in a preferred embodiment;

3-3.1 are schematic perspective views of the stack tipper of the present invention in a preferred embodiment;

FIGS. 4-4.1 are schematic perspective views of an erect tray puller of the present invention in a preferred embodiment;

fig. 5-5.1 are schematic perspective views of the temporary storage and layered conveying line and the follow-up plate leaning machine of the invention in a preferred embodiment.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

The tray removing and layering and stacking method for the tray packaging unit in the embodiment is an operation method for removing trays and layering and stacking heights of the tray packaging unit in a process flow of processing the tray packaging unit into the integrated unit whole cargo stack of the whole cargo vehicle. The pallet container unit comprises a pallet and the unit goods placed on the pallet.

The tray removing and layering and laminating method for the tray packaging unit in the embodiment comprises the following steps:

The invention can lead the tray container unit to remove the tray, layer and laminate, lead the unit goods which are removed the tray, layered and laminated to be higher to be adapted to the loading height size of the carriage, and further realize the integral loading operation of the integrated unit goods.

Example 2

Referring to fig. 1 and 2, a preferred embodiment of the present invention is a pallet removing and layering and stacking system of a pallet loading unit, wherein the pallet loading unit includes a pallet and unit goods placed on the pallet, and includes a front lying pallet removing unit 01 and a front lying layering unit 02, wherein the front lying pallet removing unit 01 includes a stack turnover machine 2, and the stack turnover machine 2 is used for turning the pallet loading unit and the unit goods to one side by 90 ° to convert the pallet loading unit and the unit goods between a front lying state and a sitting state; the front lying layering unit 02 comprises a temporary storage and layering conveying line 4 capable of carrying in a reciprocating and bidirectional mode, and the temporary storage and layering conveying line 4 is connected with one end of the goods stack overturning machine 2. The above components are described in further detail below.

Fig. 1 is a schematic diagram of a front lying operation system, which includes a front lying tray removing unit 01 and a front lying layer unit 02. The front lying tray removing unit 01 comprises a conveying transfer vehicle 1, a goods stack overturning machine 2 and a vertical tray pulling machine 3. The front lying layering unit 02 comprises a temporary storage and layering conveying line 4 and a follow-up plate leaning machine 5.

Fig. 2 and 2.1 are schematic structural views of the conveying cart 1 in this embodiment. And two ends of the conveying transfer cart 1 are respectively connected with the goods stack overturning machine 2 and the dynamic input and output of the unit goods collecting operation process. Specifically, the conveying transfer cart 1 includes a transfer cart body 10, a flat-top chain conveying device 11, and a transfer power transmission device 12.

The transfer vehicle body 10 is movably disposed on the transfer transmission device 12, and is used for carrying the pallet container units or unit goods, and the plane size of the transfer vehicle body is related to the plane size of the pallets.

The transfer transmission device 12 includes a moving slider, a moving slide 120 and a moving power 121, and the moving power 121 includes a gear, a rack and a driving power of a moving set. One end of the movable slide rail 120 is connected with the goods pile overturning machine 2, and the other end is connected with the unit goods collecting operation process. The movable slider is slidably disposed on the movable slide rail 120 and reciprocates along the movable slide rail 120. The transfer cart body 10 is fixedly installed on the movable slider, the rack of the movable external member of the movable power 121 is arranged below one side of the movable slide rail 120 in parallel, and the transfer cart body 10 can reciprocate along the movable slide rail 120 under the driving of the movable power 121.

In one embodiment of the present application, the extension direction of the movable slide 120 is aligned with the turning direction of the front lying layered assembly 02.

In another embodiment of the present application, the extending direction of the movable sliding rail 120 is perpendicular to the turning direction of the front lying layering unit 02, so that the length of the whole tray packaging unit for tray removal and layering and stacking operation system can be reduced, and the floor area of the whole system can be reduced. At this time, the conveying and carrying vehicle 1 further includes a flat-top chain conveying device 11. In order to achieve the above function, the conveying direction of the flat-top chain conveyor 11 and the reciprocating direction of the conveying vehicle 1 on the movable slide rail 120 are set to be perpendicular to each other.

Specifically, the flat-top chain conveying device 11 comprises 8 flat-top conveying chains 110 with 4 groups, a conveying external member 111 and a conveying power 112. The conveying external member 111 is fixedly installed on the transfer vehicle body 10, the flat-top conveying chain 110 is rotatably sleeved on the conveying external member 111, and the conveying external member 111 serves as a driven chain wheel and a driven shaft of the flat-top conveying chain 110 and supports and drives the flat-top conveying chain 110 to reciprocate. The conveying external member 111 is fixedly connected with the output end of the conveying power 112, and the conveying power 112 provides power for the flat-top conveying chain 110. The flat top conveyor chain 110 forms a bearing plane on the upper surface of the transfer vehicle body 10, which can convey pallet container units or unit goods in two directions.

As shown in fig. 2 and referring to fig. 1, the transport cart 1 functions as an input and output end for operations of the front lying tray removing unit 01, that is, an input end for a tray packaging unit and an output end for unit goods which are finished with tray removing and layering and laminating. The forward lying tray removing unit 01 is dynamically input and connected with the tray container unit conveying line through the conveying transfer cart 1 and is also dynamically output and connected with the unit cargo gathering operation process.

Fig. 3, 3.1 are schematic structural views of the stack tilter 2. In a preferred embodiment of the present application, as shown in fig. 3, 3.1, the stack tilter 2 comprises a tilter chassis 20, a tilter main frame 21, and a tilter power and transmission device 22. More preferably, the stack turner 2 further comprises stack top buttresses 23.

The tipper chassis 20 is a base member of the stack tipper 2, and the tipper main frame 21 and the tipper rotation transmission device 22 are fixedly mounted on the tipper chassis 20.

The turnover main frame 21 comprises a turnover machine main shaft 210, a goods stack bottom surface conveying line 211 and a goods stack head-on conveying line 212 according to the requirement of work functions. Wherein, a pair of small semicircular driven gears 2100 is fixedly connected to the main shaft 210 of the tilter, and the driven gears 2100 and the tilting transmission device 22 are meshed with each other. The goods pile bottom conveying line 211 and the goods pile head-on conveying line 212 are fixedly connected to the main shaft 210 of the turnover machine through a reinforcing structure. The included angle between the conveying plane of the goods stack bottom conveying line 211 and the conveying plane of the goods stack front-facing conveying line 212 is fixed to be 90 degrees and is in a face-to-face opposite state.

As shown in fig. 3-3.1, the inner end of the bottom conveyor line 211 of the stack is fixedly connected with the main shaft 210 of the turnover machine through a reinforcing structure. Specifically, the bottom surface conveyor line 211 includes a bottom surface conveyor line frame 2110, a bottom surface conveyor line belt 2111, and a bottom surface conveyor line transmission 2112. The bottom surface conveying line belt 2111 is sleeved on the bottom surface conveying line frame 2110, and the output end of the bottom surface conveying line transmission device 2112 is connected with the bottom surface conveying line belt 2111. The size of the conveying plane of the bottom surface conveyor belt 2111 is related to the size of the pallet.

As shown in fig. 3-3.1, the inner end of the goods pile head-on conveying line 212 is fixedly connected with the main shaft 210 of the turnover machine through a reinforcing structure. Specifically, the pile head-on conveyor line 212 includes a head-on conveyor line frame 2120, a head-on conveyor line belt 2121, and a head-on conveyor line transmission device 2122. The head-on conveyor belt 2121 is sleeved on the head-on conveyor frame 2120, and the output end of the head-on conveyor transmission device 2122 is connected to the head-on conveyor belt 2121.

The goods pile overturning machine 2 has the main function that the operation of overturning for 90 degrees and the operation matched with the vertical tray pulling machine 3, the temporary storage and layering conveyor line 4 and the conveying transfer car 1 are carried out, so that the layering and the lamination of the unit goods which are removed from the tray and laid in front of the tray container unit can be realized.

As shown in fig. 3-3.1, the top rest 23 of the pile comprises two left and right swing arms 230, a round cross bar 231 and a swing arm cylinder 232. The swing ends of the two left and right swing arms 230 are connected with the round cross bar 231 to form a door-shaped structure, the fixed ends of the two left and right swing arms 230 are respectively installed at two sides of the goods pile head-on conveying line 212 and are fixedly connected with the output ends of swing arm cylinders 232 arranged at two sides of the goods pile head-on conveying line 212, and the swing arms cylinders 232 are driven to swing.

The supporting rod 23 for the top surface of the stack has a function that when the stack of the pallet container unit, the unit goods or the unit goods which are layered and laminated on the stack overturning machine 2 is to be overturned by 90 degrees, the supporting rod 23 for the top surface of the stack makes the round cross rod 231 stick to the top surface of the stack by swinging, so that the stack of the goods is not loosened when the stack is overturned by 90 degrees in a reciprocating manner. When the supporting rod 23 on the top surface of the goods pile is not required to be attached to the top surface of the goods pile, the round cross rod 231 swings to the outer end of the goods pile facing conveyor line 212 to be hidden, and at this time, the round cross rod 231 is not higher than the conveying plane of the goods pile facing conveyor line 212.

As shown in fig. 1, the erect tray puller 3 is provided on the inner side of the pile head-on conveyor line 212 of the pile tipper 2, and is engaged with the pile head-on conveyor line 212 through an erect tray roller line 301. Fig. 4-4.1 are schematic structural views of the erect tray puller 3. Specifically, the erect tray puller 3 includes a puller frame 30 and a tray puller 31.

Wherein the drawer frame 30 is used to transport the pallet. Specifically, the puller frame 30 includes a frame member 300, an upright tray roller line 301, and an upright tray rib 302. The erection tray roller line 301, the erection tray rib 302 and the tray drawing-out device 31 are mounted on the frame member 300.

The erect tray roller line 301 is laid in the gap between the frame member 300 and the erect tray rib 302, and the erect tray is kept in an erect state during the drawing operation by the clamping action of the frame member 300 and the erect tray rib 302.

A tray drawing device 31 is provided at an upper portion of the drawer frame 30 for drawing out the tray. Specifically, the tray pulling-out device 31 includes a one-way retractor 310, a retractor slide rail 311, and a retractor driving cylinder 312. The drag hook slide rail 311 is laid along the length direction of the vertical pallet roller line 301. The one-way drag hook 310 is slidably disposed on the drag hook slide rail 311, and is fixedly connected to the output end of the drag hook driving cylinder 312.

The function of the erected tray puller 3 is that when the pallet container unit lies on the pallet facing conveyor line 212 in front of the pallet facing conveyor line 212 and is in a horizontal state, the erected tray puller 3 pulls out the tray which is erected on the inner end of the pallet facing conveyor line 212 and is separated from the bottom surface of the unit goods by gravity through the tray pulling-out device 31, and the tray is conveyed to the recovery system through the erected tray roller line 301 for tray recovery.

Fig. 5 is a schematic structural diagram of the front lying layered unit 02, and the front lying layered unit 02 includes a temporary storage and layered conveying line 4 and a follow-up plate leaning device 5. The temporary storage and layered conveying line 4 is connected with one end of the goods stack overturning machine 2. The follow-up plate leaning device 5 is arranged on the temporary storage and layered conveying line 4 in a reciprocating manner.

Referring to fig. 5 and 5.1 and to fig. 1, the temporary storage and stratification conveyor line 4 includes a temporary storage and stratification machine frame 40, a temporary storage and stratification belt line 41, and a temporary storage and stratification drive device 42. The temporary storage and layering conveying line 4 has two functions, namely, inputting and temporarily storing the unit goods to be layered and lying before, and carrying out conveying cooperation with the goods stack head-on conveying line 212 to realize layering and layering operation of the unit goods lying before.

Specifically, the temporary storage and stratification conveyor line 4 is configured as a reciprocating bidirectional conveyor line, and the single end in-out conveying end 400 is in dynamic bidirectional conveying engagement with the outer end of the stack facing conveyor line 212. An inlet and outlet supporting beam 401 connected with the outer end of the goods pile facing conveyor line 212 is further arranged at the inlet and outlet conveying end 400, and when the goods pile facing conveyor line 212 is turned to be in a horizontal position, the temporary storage and layering belt line 41 is in conveying connection with the outer end of the goods pile facing conveyor line 212. The width dimension of the buffer and tier belt line 41 is related to the pallet size and the length dimension is related to the height dimension of the pallet unit load.

When the layering and stacking operation of the unit goods lying before being output by the temporary storage and layering conveying line 4 is started, the bottom surface of the unit goods lying before temporarily stored to be layered on the temporary storage and layering conveying line 4 is attached to the top surface of the unit goods lying before on the goods stack facing conveying line 212 to be stacked and heightened. When the operation starts, the temporary storage and layering conveying line 4 and the goods stack head-on conveying line 212 carry out combined conveying of double conveying lines, namely, the unit goods which are laid down in front and need layering are conveyed to the goods stack head-on conveying line 212 from the temporary storage and layering conveying line 4 in a combined manner; when the unit goods to be layered which lie at present cross the joint of the double conveying lines, the temporary storage and the conveying of the layered conveying lines 4 are stopped immediately, and the conveying of the goods stack head-on conveying lines 212 is kept continuously, so that the layered and laminated unit goods lying at front are conveyed to the inner end of the goods stack head-on conveying lines 212; therefore, the unit goods lying in front can realize layered and overlapped operation through the matched conveying of the double conveying lines.

As shown in fig. 5 and 5.1, the follower backup plate 5 includes a follower backup plate 50, a backup plate frame 51, and a follower transmission 52. Wherein, the follow-up backup plate 50 is vertically arranged above the temporary storage and layered conveying line 4. Specifically, the follower fence 50 is installed in the fence frame 51 and connected to the follower transmission 52, and the cargo blocking vertical plane of the follower fence 50 is related to the top plane of the unit cargo. The function of the follow-up leaning plate 50 is to follow up and lean against the top surface of the unit goods lying in front during operation, so that the unit goods lying in front can keep a correct running state during operation.

Example 3

The use of the depalletizing and stacking system of the pallet assembly unit described in embodiment 2, comprising the steps of:

p1, when the operation starts, the conveying transfer cart 1 is connected with the delivery conveying line of the pallet packaging unit.

P2, the bottom conveyor line 211 of the stack tipper 2 is arranged on a horizontal position, so that the bottom conveyor line 211 and the conveying transfer car 1 are in an input connection state of a tray packaging unit, and the stack facing conveyor line 212 of the stack tipper 2 is in a vertical state of stopping running.

Wherein, the steps P1 and P2 are preparation steps and can be omitted according to actual conditions.

P3, inputting the first pallet loading unit of the warehouse-out loading to the conveying transfer car 1 by using the warehouse-out conveying line, conveying the first pallet loading unit to the bottom conveying line 211 of the stack by the conveying transfer car 1, enabling the first pallet loading unit to convey forwards to be attached to the vertical stack front-side conveying line 212 when the first pallet loading unit reaches a preset position, and enabling the round cross rod 231 at the swinging end of the supporting rod 23 at the top surface of the stack to be attached to the top surface of the first pallet loading unit under the driving of the left swinging arm 230 and the right swinging arm 230 pushed by the swinging arm cylinders 232 at two sides.

P4, turning the stack turner 2 forward by 90 degrees, so that the first pallet loading unit lies forward in the turning direction until the stack head-on conveyor line 212 turns to the horizontal position, and at this time, the first pallet loading unit already lies on the stack head-on conveyor line 212, and the pallet is in the vertical state; the round cross bar 231 at the swinging end of the supporting rod 23 at the top surface of the goods pile falls down from the top surface of the first pallet packaging unit to the outer end of the goods pile facing conveyor line 212 and is not higher than the conveying plane of the goods pile facing conveyor line 212.

P5, conveying the first pallet container unit lying forward to the outer end of the stack head-on conveyor line 212 for a short distance, so that the first unit cargo lying forward is out of gravity or pressure connection with the first pallet. Subsequently, the erected tray is completely pulled out in the lateral direction by the tray pulling-out device 31 of the erected tray pulling-out machine 3, and the pulled-out tray is sent to a recovery unit by the erected tray roller line 301 to recover an empty tray.

P6, the following backup plate 50 of the following backup plate 5 is moved to the in-out conveying end 400 of the temporary storage and layer conveying line 4 by the following backup plate 5 of the layer set lying before starting. The stack-facing conveyor line 212 is started to convey the first unit goods in the front lying state from the stack-facing conveyor line 212 to the temporary storage and layer conveyor line 4. When the top surface of the first unit goods in the front lying state is conveyed to the outer end of the goods stack facing conveyor line 212, i.e. the in-out conveying end 400 of the temporary storage and layering conveyor line 4, the top surface of the first unit goods in the front lying state abuts against the follow-up backup plate 50 of the follow-up backup plate 5. At this time, the temporary storage and layering conveying line 4 and the follow-up plate backing machine 5 are started simultaneously, and the temporary storage and layering conveying line 4, the follow-up plate backing 50 and the pallet facing conveying line 212 simultaneously move towards the inner end of the temporary storage and layering conveying line 4 at the same speed until the first unit goods in the front lying state are completely conveyed to the temporary storage and layering conveying line 4 from the pallet facing conveying line 212 for temporary storage to be layered. The bottom surface of the first unit goods in the front lying state is on the same plane with the connecting lines of the goods stack head-on conveying line 212 and the inlet and outlet conveying end 400 of the interface of the temporary storage and layering conveying line 4, and the top surface of the first unit goods in the front lying state is attached to the inner end of the temporary storage and layering conveying line 4 by the follow-up backup plate 50.

P7, repeating the above-mentioned operations from P1 to P5, and conveying the second unit goods in front lying state on the goods stack head-on conveying line 212 toward the temporary storage and layer conveying line 4 until the top surface of the second unit goods in front lying state reaches the in-out conveying end 400 of the temporary storage and layer conveying line 4 and abuts against the bottom surface of the first unit goods on the temporary storage and layer conveying line 4, and the first unit goods and the second unit goods after abutting against each other are connected into a flat goods stack. Then, the goods stack facing conveying line 212, the temporary storage and layering conveying line 4 and the follow-up backup plate 50 are conveyed or moved to the inner end direction of the goods stack facing conveying line 212 at the same speed, until the goods with the corresponding layers of the flat goods stack according to the layering requirement enter and are completely positioned on the goods stack facing conveying line 212, the conveying of the temporary storage and layering conveying line 4 and the follow-up movement of the follow-up backup plate 50 are immediately stopped to continue to keep the conveying of the goods stack facing conveying line 212 until the bottom surface of the goods stack with added layers on the goods stack facing conveying line 212 is attached to the vertical goods stack bottom surface conveying line 211; the previously laid top face of the stack is held by the round cross bar 231 of the stack top face holding bar 23.

P8, the stack turnover machine 2 is turned over 90 degrees backwards until the bottom conveyor line 211 of the stack is in the horizontal position, and the stack which is laid before is returned to the vertical state on the bottom conveyor line 211 of the stack. Separating the round cross bar 231 of the pallet top surface support bar 23 from the layered pallet top surface, simultaneously starting the pallet bottom surface conveying line 211 and the flat top conveying chain 110 of the conveying transfer car 1, conveying the layered pallet to the conveying transfer car 1, and transferring the layered pallet to the next gathering process through the movable slide rail 120 by the conveying transfer car 1.

P9, repeating the operation of the steps P1-P8, and simultaneously keeping the temporary storage quantity of the layer number of the unit goods lying in front on the temporary storage and layering conveying line 4 to meet the layering requirement in the operation, namely, the tray packaging unit can be processed into the unit goods which are suitable for the loading height requirement and are layered and laminated, so that the operation guarantee is provided for the integral loading of the integrated unit goods.

The foregoing is only a preferred embodiment of the present invention, and many variations in the detailed description and the application range can be made by those skilled in the art without departing from the spirit of the present invention, and all changes that fall within the protective scope of the invention are therefore considered to be within the scope of the invention.

Claims

1. A method for tray removal, layering and stacking of a tray packaging unit, wherein the tray packaging unit comprises a tray and unit goods placed on the tray, is characterized by comprising the following steps:

2. A tray loading unit tray removing and layering and stacking system is characterized by comprising a tray and unit cargos placed on the tray, and the tray loading unit tray removing and layering system comprises a front lying tray removing unit (01) and a front lying layering unit (02) which are matched with each other in use, wherein the front lying tray removing unit (01) comprises a pallet stack overturning machine (2), and the pallet stack overturning machine (2) is used for overturning the tray loading unit and the unit cargos to one side by 90 degrees, so that the tray loading unit and the unit cargos are converted into a front lying state and a sitting state; the front lying layering unit (02) comprises a temporary storage and layering conveying line (4) capable of carrying in a reciprocating and bidirectional mode, and the temporary storage and layering conveying line (4) is connected with one end of the goods stack overturning machine (2).

3. The system for depalletizing, layering, and layering of pallet assembly units as claimed in claim 2, characterized in that the stack tilter (2) comprises a tilting main frame (21) and a tilting power; wherein upset body frame (21) are including upset machine main shaft (210), goods buttress bottom surface transfer chain (211) and goods buttress meet the face transfer chain (212), goods buttress bottom surface transfer chain (211), goods buttress meet the face transfer chain (212) with upset machine main shaft (210) fixed connection together, contained angle between goods buttress bottom surface transfer chain (211), the goods buttress meet the face transfer chain (212) is 90, upset machine main shaft (210) with the output fixed connection of upset power is in the same place, makes goods buttress bottom surface transfer chain (211), goods buttress meet the face transfer chain (212) be in preceding state of lying and the conversion of standing state.

4. The depalletizing and layering-stacking system of pallet assembly units according to claim 3, wherein the bottom conveyor line (211) of the stack comprises a bottom conveyor line frame (2110), a bottom conveyor belt (2111) and a bottom conveyor transmission device (2112), wherein the bottom conveyor belt (2111) is sleeved on the bottom conveyor line frame (2110), and an output end of the bottom conveyor transmission device (2112) is connected with the bottom conveyor belt (2111).

5. The palletising and layering system of the pallet loading unit according to claim 3, wherein the pallet facing conveyor line (212) comprises a facing conveyor line frame (2120), a facing conveyor line belt (2121) and a facing conveyor line transmission device (2122), wherein the facing conveyor line belt (2121) is sleeved on the facing conveyor line frame (2120), and an output end of the facing conveyor line transmission device (2122) is connected with the facing conveyor line belt (2121).

6. The depalletizing, layering, and layering system of claim 3, further comprising a driven gear (2100) and a flipping transmission device (22) engaged with each other, wherein the driven gear (2100) is fixed to the main shaft (210) of the flipping machine, and the flipping transmission device (22) is fixedly connected to the output end of the flipping power.

7. The palletising and layering and stacking system of the pallet loading unit according to claim 5, further comprising a stack top rest bar (23), wherein the stack top rest bar (23) comprises a left and right swing arm (230), a round cross bar (231) and a swing arm cylinder (232); the two swing ends of the left and right swing arms (230) are connected with the round cross bar (231) to form a door-shaped structure, and the vicinities of the two fixed ends of the left and right swing arms (230) are fixedly connected with the output end of the swing arm cylinder (232); the goods buttress top surface handrail (23) is arranged on the head-on conveying wire frame (2120).

8. The pallet container unit depalletizing and layering-and-stacking system as claimed in claim 2, wherein the front lying pallet removing unit (01) further comprises an upright pallet puller (3) for pulling out the pallet in an upright state after the pallet container unit is laid in front from the bottom of the unit cargo, the upright pallet puller (3) being provided at a side of the stack tipper (2).

9. A pallet assembly unit de-palletizing and layering and stacking system according to claim 8, characterised in that said erect pallet puller (3) comprises a puller frame (30) for conveying erect pallets and a pallet puller device (31) for extracting said pallets, said pallet puller device (31) being suspended above said puller frame (30).

10. A pallet assembly unit de-palletizing and layering and stacking system according to claim 9, wherein said puller frame (30) comprises an upright pallet roller line (301), said upright pallet roller line (301) having an end extending to said stack tipper (2) and engaging said stack tipper (2).

11. The tray removing and layering and stacking system of the tray unit assembly according to claim 10, wherein the tray pulling-out device (31) comprises a one-way draw hook (310), a draw hook slide rail (311) and a draw hook driving cylinder (312), the draw hook slide rail (311) is laid along the length direction of the vertical tray roller line (301), and the one-way draw hook (310) is slidably arranged on the draw hook slide rail (311) and fixedly connected with the output end of the draw hook driving cylinder (312).

12. The pallet loading unit depalletizing and stacking system according to claim 10, wherein the puller frame (30) further comprises a relatively vertically disposed frame member (300) and an upright pallet rib (302), the upright pallet roller line (301) being laid in the gap between the frame member (300) and the upright pallet rib (302).

13. The tray collection unit de-palletizing and layering and stacking system as claimed in any one of claims 2 to 12, wherein the front lying de-palletizing unit (01) further comprises a conveying transfer vehicle (1) for conveying the tray collection units or unit cargos, and the conveying transfer vehicle (1) is dynamically connected with the pallet stack turnover machine (2) and the unit cargo gathering operation process in an input-output manner.

14. The palletising and layering and stacking system according to claim 13, wherein the transport cart (1) comprises a cart body (10) for carrying the palletising units or unit loads and a cart transmission device (12), the cart body (10) being movably arranged on the cart transmission device (12).

15. The tray removing and stacking system for the tray unit as claimed in claim 14, wherein the moving and transferring device (12) comprises a moving slide block, a moving slide rail (120) and a moving power (121), both ends of the moving slide rail (120) are respectively connected with the stack turnover machine (2) and the unit cargo gathering operation process, the moving slide block is slidably disposed on the moving slide rail (120) and is fixedly connected with the transfer vehicle body (10), the moving power (121) comprises a moving kit and a driving power, and the moving power (121) is disposed at the lower part of the transfer vehicle body (10).

16. The tray removing and layering and stacking system of the tray container unit as claimed in claim 14, wherein the conveying vehicle (1) further comprises a flat-top chain conveying device (11), the flat-top chain conveying device (11) comprises a flat-top conveying chain (110) capable of bidirectional conveying, a conveying external member (111) and a conveying power (112), the conveying external member (111) is fixedly installed on the vehicle body (10), and the flat-top conveying chain (110) is rotatably sleeved on the conveying external member (111) and is fixedly connected with the output end of the conveying power (112).

17. The tray collection unit depalletizing and layering-and-stacking system according to claim 2, wherein the temporary storage and layering conveyor line (4) comprises a temporary storage and layering machine frame (40), a temporary storage and layering belt line (41), and a temporary storage and layering transmission device (42), wherein the temporary storage and layering belt line (41) is reciprocally movably disposed on the temporary storage and layering machine frame (40) and is fixedly connected with an output end of the temporary storage and layering transmission device (42); the temporary storage and layering belt line (41) is also arranged in such a way that when the pallet container unit and the unit goods are in a front lying state, one end of the temporary storage and layering belt line is in conveying connection with the end part of the goods pile overturning machine (2).

18. A pallet loading unit de-palletizing and layering and stacking system as in claim 2 or 17, wherein said front lying layering unit (02) further comprises a follow-up trigger (5) for keeping said unit cargo in a front lying state in a correct operating state during operation, said follow-up trigger (5) being reciprocatingly movably disposed on said temporary storage and layering conveyor line (4).

19. The tray removing and layering and stacking system of the tray container unit as claimed in claim 18, wherein the follow-up backup plate (5) comprises a follow-up backup plate (50) and a follow-up transmission device (52), the follow-up backup plate (50) is vertically disposed on the temporary storage and layering conveyor line (4), the follow-up backup plate (50) is fixedly connected with an output shaft of the follow-up transmission device (52), and the follow-up backup plate (50) correspondingly follows the temporary storage and layering belt line (41) to move back and forth.

20. The use of a palletiser de-palletising and layering and stacking system as claimed in any one of claims 2 to 19, comprising the steps of:

p1, when the operation starts, the conveying transfer cart (1) of the front lying tray removing unit (01) is connected with the delivery conveying line of the tray packaging unit;

p2, arranging a goods stack bottom conveying line (211) of the goods stack overturning machine (2) on a horizontal position, enabling the goods stack bottom conveying line (211) and the conveying transfer vehicle (1) to be in an input connection state of a tray assembly unit, and enabling a goods stack head-on conveying line (212) of the goods stack overturning machine (2) to be in a vertical state of stopping running;

p3, inputting the first pallet loading unit to the conveying transfer cart (1), and conveying the first pallet loading unit to the stack bottom conveying line (211) by the conveying transfer cart (1), so that the forward side of the first pallet loading unit is attached to the stack head-on conveying line (212), and the stack top surface support rod (23) of the stack overturning machine (2) is attached to the top surface of the pallet loading unit;

p4, overturning the stack overturning machine 2 forwards by 90 degrees, and enabling the first tray packaging unit to lie forwards in the overturning direction until the stack head-on conveying line (212) is overturned to the horizontal position, wherein the first tray packaging unit already lies on the stack head-on conveying line (212) and the tray is in the vertical state; dropping the pallet top surface holding rod (23) from the top surface of the pallet packaging unit to the outer end of the pallet facing conveyor line (212) and not higher than the conveying plane of the pallet facing conveyor line (212);

p5, conveying the first pallet container unit in front lying state to the outer end of the goods pile head-on conveying line (212) for a short distance, so that the first unit goods in front lying state is out of gravity or pressure connection with the first pallet; then, completely pulling out the first pallet transversely by using a pallet pulling-out device (31) of the vertical pallet pulling-out machine (3);

p6, starting a follow-up plate leaning device (5) to enable a follow-up plate leaning plate (50) of the follow-up plate leaning device (5) to run to an input and output conveying end (400) of the temporary storage and layering conveying line (4); starting the goods stack head-on conveying line (212), so that the first unit goods in the front lying state are conveyed from the goods stack head-on conveying line (212) to the direction of the temporary storage and layering conveying line (4), and when the top surface of the first unit goods in the front lying state is conveyed to the in-out conveying end (400), the top surface of the first unit goods in the front lying state is attached to the follow-up backup plate (50); simultaneously starting the temporary storage and layering conveying line (4) and the follow-up plate leaning device (5), and enabling the temporary storage and layering conveying line (4) and the follow-up plate leaning device (50) to simultaneously and synchronously convey and move towards the inner end of the temporary storage and layering conveying line (4) with the goods stack facing conveying line (212) until a first unit goods in a front lying state is completely conveyed onto the temporary storage and layering conveying line (4) from the goods stack facing conveying line (212) for temporary storage in a layering mode, wherein the bottom surface of the first unit goods in the front lying state is on the same plane with the connecting lines of the goods stack facing conveying line (212) and the input and output conveying end (400), and the top surface of the first unit goods in the front lying state is leaned against the inner end of the temporary storage and layering conveying line (4) by the follow-up plate leaning device (50);

p7, repeating the operation steps from P1 to P5, and conveying a second unit cargo in a front lying state to the temporary storage and layering conveying line (4) on the cargo pile facing conveying line (212) until the top surface of the second unit cargo abuts against the bottom surface of the first unit cargo, and the first unit cargo and the second unit cargo after abutting are connected into a flat cargo pile; then, the goods stack head-on conveying line (212), the temporary storage and layering conveying line (4) and the follow-up backup plate (50) are conveyed or moved to the inner end of the goods stack head-on conveying line (212) at the same speed, until the goods in the corresponding layers of the goods stack in the front lying state completely enter and are positioned on the goods stack head-on conveying line (212) according to the layering requirement, the conveying of the temporary storage and layering conveying line (4) and the follow-up movement of the follow-up backup plate (50) are stopped, the conveying of the goods stack with added layers on the goods stack head-on conveying line (212) is continuously kept, and the goods stack with added layers is attached to the goods stack bottom conveying line (211) in the vertical shape; supporting the top surface of the cargo pile which is in a front lying state and is added with a layer by utilizing a cargo pile top surface supporting rod (23);

p8, turning the stack turnover machine 2 backwards by 90 degrees until the bottom conveyor line (211) of the stack is in a horizontal position, and enabling the stack in a front lying state to be restored to a vertical state on the bottom conveyor line (211) of the stack; and separating the top surface of the goods stack from the top surface of the goods stack with the added layer, simultaneously starting the bottom surface conveying line (211) of the goods stack and a flat top conveying chain (110) of the conveying transfer car (1), conveying the unit goods of the goods stack with the added layer to the conveying transfer car (1), and transferring the unit goods to the next gathering process through the movable sliding rail (120) by the conveying transfer car (1).