CN115744319A - Unit goods stacking method, operation system and operation method thereof - Google Patents

Abstract

The invention discloses a unit goods stacking method, an operation system and an operation method thereof, wherein the unit goods stacking method comprises the following steps: conveying the first pallet container unit to a unit cargo stacking station, and clamping the first unit cargo on the unit cargo stacking station; transferring the first unit goods from the unit goods stacking station to a reciprocating temporary storage station for temporary storage; conveying the second pallet container unit to a unit cargo stacking station, and clamping the second unit cargo on the unit cargo stacking station; transferring the first unit goods from the reciprocating temporary storage station to return to the unit goods stacking station; and on the unit goods stacking station, the second unit goods are located on the top plane of the first unit goods to form stacked unit goods. The stacked unit goods can meet the height requirement of loading design and the height requirement of other operation links.

Description

Unit cargo stacking method, operating system and operating method thereof

technical field

The invention belongs to the technical field of unitized logistics operations of unitized cargo, and relates to a unitary cargo stacking method, an operating system and an operating method thereof.

Background technique

According to national standards, the definition of unit cargo is: a group of goods or packages are assembled together by one or more means to form an integral unit, which is convenient for loading and unloading, transportation, stacking and storage. The definition of pallet container unit is: the whole composed of unit cargo and pallet. Combine packages on pallets and secure them properly for mechanical handling and transport. According to the above definition, a unit load is an overall stacked unit without a pallet on a pallet.

Because in the whole process of logistics, the height dimension of unit cargo is generally not in the optimal operation size in different operation links. For example, in the product logistics operation in the factory, the height of the pallet container unit is generally less than 1.6 meters, and the height of the unit cargo, especially the unit cargo with high specific gravity, is even smaller. In the transportation link, in order to increase the actual load rate of the goods, it is often hoped that the height of the unit cargo will match the height of the compartment and the container, generally 2.3 meters or more; while in the train wagon, the optimal height of the unit cargo is larger.

In order to achieve high efficiency and low consumption in the whole process of logistics, it is necessary to maintain high efficiency and low consumption in each operation link, and there must be no lack of any link. Therefore, it is very necessary to adjust the height dimensions of the unit goods in different operation links in the whole process to the optimal height dimensions according to the operation needs for logistics operations.

Contents of the invention

The technical problem to be solved by the present invention is to provide a unit cargo stacking method, an operation system and an operation method for processing the palletized unit into stacked unit cargo.

In order to solve the problems of the technologies described above, the technical solution provided by the invention is:

A method for stacking unit goods, comprising the following steps:

S1. Transport the first palletized unit to the unit cargo stacking station, hold and clamp the first unit cargo at the unit cargo stacking station, lift it to the height of the first designated position, and then move out of the first tray;

S2. At the unit cargo stacking station, lower the first unit cargo to release lifting and clamping, and then transfer the first unit cargo from the unit cargo stacking station to the round-trip temporary storage station Bits are temporarily stored;

S3. Transport the second palletized unit to the unit cargo stacking station, hold and clamp the second unit cargo at the unit cargo stacking station, and lift the second unit cargo to the second Move out the second tray after specifying the height of the position;

S4. Transfer the first unit cargo from the round-trip temporary storage station to the unit cargo stacking station; at the unit cargo stacking station, transfer the second unit cargo from the second Lowering the height of the specified position, and correspondingly sitting on the top plane of the first unit cargo to form a stacked unit cargo, and releasing the clamping of the second unit cargo;

S5. Sending the stacked unit goods from the unit goods stacking station to the round-trip temporary storage station;

S6. Transport the stacked unit goods to the next process on the round-trip temporary storage station; or perform temporary storage again on the round-trip temporary storage station, and repeat S1-S5 operations to stack the remaining unit goods stacking operations.

Further, the following step is also included: automatically recovering the tray.

A unit cargo stacking operation system, comprising:

The stacking unit is used to remove the pallet of the palletized container unit to obtain the unit cargo, and stack one unit cargo on the top surface of another unit cargo to form a stacked unit cargo;

The unit cargo stacking station is set at the stacking unit;

The front conveying unit includes a pallet bidirectional conveying line for conveying the palletized unit to the unit cargo stacking station, one end of which is connected to the stacking unit;

The round-trip temporary storage station is set at the temporary storage and transfer unit;

The temporary storage and transfer unit includes a conveyance and transfer vehicle for reciprocating the unit cargo or the stacked unit cargo between the unit cargo stacking station and the reciprocating temporary storage station.

Further, the front conveying unit also includes an empty pallet recovery line for removing empty pallets from the unit cargo stacking station, one end of the empty pallet recovery line is connected to the stacking unit through the pallet two-way conveying line. Stacking unit connection.

Further, the pallet two-way conveying line includes a roller conveying line and a chain conveying line; wherein, the outer section of the pallet two-way conveying line is a roller conveying line, and the outer end of the roller conveying line connects with the pallet assembly unit Input end; the inner section of the pallet bidirectional conveying line is a chain conveying line, the inner end of the chain conveying line is at the stacking station of the unit goods, and the outer end is connected with the inner end of the roller conveying line connect.

Further, the empty pallet recovery line includes a jacking, diverting and transferring conveyor and an empty pallet roller line; wherein, the jacking, diverting and transferring conveyor is provided with two connected ones, one of which is set on the roller drum conveyor line, and another one is set at the empty tray roller line on one side of the roller conveyor line.

Further, the stacking unit includes a main stand and a stacker, wherein the main stand is set at the unit cargo stacking station; the stacker is mounted on the main stand in a liftable manner on, used to hold and lift the unit cargo.

Further, the stacker includes a holding frame, at least two-way holding clips or four-way holding clips for holding the unit cargo, and a lifting transmission device; wherein, the lifting transmission device is fixedly installed On the main stand, its output end is fixedly connected with the clip frame, and the two-way or four-way clips are installed in pairs on the clip frame facing each other.

Further, the clamp frame includes an overall frame structure and a lifting connection part, wherein the lifting connection part is fixedly installed on the overall frame structure, and is fixedly connected with the lifting transmission device.

Further, the clamp frame further includes rollers, which are arranged on the outside of the overall frame structure and abut against the main stand.

Further, the overall frame structure includes two horizontal frames, four-corner vertical bars, and splint-holding vertical bars; wherein, the two horizontal frames are fixedly connected together by a plurality of four-corner vertical bars, and two adjacent A pair of said splint-holding vertical rods is arranged between said four-corner vertical rods, and each pair of said splint-holding vertical rods is arranged opposite to another pair of said splint-holding vertical rods.

Further, the four-way holding clamp includes a four-way holding splint and a holding power, wherein the fixed end of the holding power is arranged on the holding frame, and the telescopic end of the holding power acts on the four-way holding power. plywood.

Further, the four-way holding clamp also includes a holding clip scissor frame, and the holding clip scissor frame is telescopically arranged between the four-way holding splint and the corresponding holding splint vertical bar.

Further, the double upper fork ends of the clamping scissor frame are fixedly hinged with the four-way clamping plate and the upper part of the clamping plate vertical bar respectively, and the double lower fork ends of the clamping scissor frame are respectively connected to The four-way holding splint and the lower part of the holding splint vertical rod are slidably hinged; the telescopic end of the holding clip power is arranged on the holding clip scissors frame.

Further, the four-way clamp also includes an elastic panel, and the elastic panel is laid on the working surface of the four-way clamp.

Further, the lifting transmission device includes a lifting power, a transmission shaft, a lifting sprocket and a lifting chain, wherein the lifting power is fixedly installed on the main stand; The upper and lower parts of the main stand; one end of the drive shaft is connected to the output shaft of the lifting power, and the other end is connected to the lifting sprocket; the lifting chain is wound around the lifting sprocket and the two ends are fixedly connected with the clamp frame.

Further, the temporary storage and transfer unit also includes a transport and transfer vehicle slide rail, the reciprocating temporary storage station is arranged on the inner section of the transport and transfer vehicle slide rail, and the outer section of the transport and transfer vehicle slide rail The section is set at the unit cargo stacking station; the conveying and transferring vehicle is slidably arranged on the slide rail of the conveying and transferring vehicle, reciprocating movement between.

Further, the conveying and transferring vehicle includes a transferring vehicle body, a flat-top chain conveying device, and a flat-top chain transmission device, wherein the flat-top chain conveying device is sleeved on the flat-top chain transmission device, and Laying on the upper surface of the transfer vehicle body, the conveying direction of the flat-top chain conveying device is the same as the moving direction of the conveying and transfer vehicle.

Further, the temporary storage and transfer unit also includes an integrated frame on which the slide rails of the conveying and transfer vehicle and the chain conveyor line of the front conveyor unit are laid.

An operation method for a unit cargo stacking operation system, the unit cargo stacking operation system includes:

The stacking unit is used to remove the pallet of the palletized container unit to obtain the unit cargo, and stack one unit cargo on the top surface of another unit cargo to form a stacked unit cargo;

The unit cargo stacking station is set at the stacking unit;

The front conveying unit includes a pallet bidirectional conveying line for conveying the palletized unit to the unit cargo stacking station, one end of which is connected to the stacking unit;

The round-trip temporary storage station is set at the temporary storage and transfer unit;

Temporary storage and transfer unit, including a transport and transfer vehicle for reciprocating the unit cargo or the stacked unit cargo between the unit cargo stacking station and the reciprocating temporary storage station;

The working method includes the following steps:

P1. Transport the first pallet assembly unit to the unit cargo stacking station through the front conveyor unit, and use the stacker unit to stack the first pallet set at the unit cargo stacking station. The first unit cargo of the loaded unit is clamped, lifted to the height of the first designated position, and then moved out of the first pallet, and at the same time, the conveying and loading vehicle is moved to the stacking station of the unit cargo;

P2. At the unit cargo stacking station, use the stacking unit to lower and release the first unit cargo, so that the first unit cargo is seated on the conveying and transferring vehicle and then released from clamping , and then transfer the first unit cargo from the unit cargo stacking station to the round-trip temporary storage station for temporary storage by the conveying and transferring vehicle;

P3. Transport the second pallet assembly unit to the unit cargo stacking station through the front conveyor unit, and use the stacker unit to stack the second pallet assembly on the unit cargo stacking station. The second unit cargo of the loaded unit is clamped and lifted to the height of the second designated position and then moved out of the second pallet; the conveying and transferring vehicle carrying the first unit cargo is transported from the round-trip temporary storage station Return to the unit cargo stacking station;

P4. At the unit cargo stacking station, lower the second unit cargo from the height of the second specified position, and correspondingly place the first unit cargo on the conveying and transferring vehicle A stacked unit cargo is formed on the top plane, and the clamping of the second unit cargo is released;

P5. Transfer the conveyance and transfer vehicle carrying the stacked unit cargo from the unit cargo stacking station to the round-trip temporary storage station;

P6. Transport the stacked unit goods to the next process at the reciprocating temporary storage station; or perform temporary storage again at the reciprocating temporary storage station, and repeat P1-P5 to perform the stacking operation of the remaining unit goods.

Beneficial effects of the present invention:

The unit cargo stacking operation system of the present invention makes the processed stacked unit cargo suitable for the height requirements of the loading design and the height requirements of other operating links, and through the collection of the stacked unit cargo and the overall assembly of the assembled unit cargo in the subsequent process The overall loading operation of the vehicle can finally achieve the effect of high efficiency, low consumption, green and environmental protection logistics operation.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of a preferred embodiment of the unit cargo stacking operation system of the present invention;

Fig. 2 is a three-dimensional structural schematic diagram of a preferred embodiment of the pallet bidirectional conveying line and the temporary storage transfer unit of the present invention;

Fig. 3 is a schematic diagram of the three-dimensional structure of the stacking unit of the present invention in a preferred embodiment;

Figure 3.1 is a three-dimensional schematic diagram of the four-way hugging clip of the present invention in a preferred embodiment;

Figure 3.2 is a side view of the four-way hugging clip of the present invention in a preferred embodiment;

Fig. 4 is a three-dimensional structural schematic diagram of a preferred embodiment of the temporary storage transfer unit of the present invention.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may 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 indirectly connected to the other element.

It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device Or elements must have a certain orientation, be constructed and operate in a certain orientation, and thus should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

The invention discloses a method for stacking unit goods, which comprises the following steps:

S1. Transport the first palletized unit to the unit cargo stacking station, hold and clamp the first unit cargo at the unit cargo stacking station, lift it to the height of the first designated position, and then move out of the first tray;

S2. At the unit cargo stacking station, lower the first unit cargo to release lifting and clamping, and then transfer the first unit cargo from the unit cargo stacking station to the round-trip temporary storage station Bits are temporarily stored;

S3. Transport the second palletized unit to the unit cargo stacking station, hold and clamp the second unit cargo at the unit cargo stacking station, and lift the second unit cargo to the second Move out the second tray after specifying the height of the position;

S4. Transfer the first unit cargo from the round-trip temporary storage station to the unit cargo stacking station; at the unit cargo stacking station, transfer the second unit cargo from the second Lowering the height of the specified position, and correspondingly sitting on the top plane of the first unit cargo to form a stacked unit cargo, and releasing the clamping of the second unit cargo;

S5. Sending the stacked unit goods from the unit goods stacking station to the round-trip temporary storage station;

S6. Transport the stacked unit goods to the next process on the round-trip temporary storage station; or perform temporary storage again on the round-trip temporary storage station, and repeat S1-S5 operations to stack the remaining unit goods stacking operations.

The present invention also provides a unit cargo stacking operation system capable of realizing the above unit cargo stacking method. Please refer to Fig. 1-Fig. 4, which is a preferred embodiment of the present invention. The unit cargo stacking operation system includes:

The stacking unit 2 is used to remove the pallet of the palletized unit to obtain the unit cargo, and stack one unit cargo on the top surface of another unit cargo to form a stacked unit cargo;

The unit cargo stacking station is set at 2 places of the stacking unit;

The front conveying unit 1 includes a pallet bidirectional conveying line 10 for conveying the palletized unit to the unit cargo stacking station, one end of which is connected to the stacking unit 2;

The round-trip temporary storage station is set at the temporary storage and transfer unit;

The temporary storage and transfer unit 3 includes a delivery and transfer vehicle 30 for transporting the unit cargo or the stacked unit cargo back and forth between the unit cargo stacking station and the reciprocating temporary storage station.

Each of the above components will be further described in detail below.

Referring to Fig. 1 and Fig. 2, the front conveyor unit 1 includes a pallet bidirectional conveying line 10 and an empty pallet recovery line 11 arranged perpendicular to each other, and the pallet bidirectional conveying line 10 and the empty pallet recovery line 11 can be connected with the stacking unit 2 for conveying connection; wherein, the pallet bidirectional conveying line 10 and the temporary storage transfer unit 3 are arranged on the same straight line.

It can be seen from FIG. 2 that the pallet bidirectional conveying line 10 includes a roller conveying line 100 and a chain conveying line 101 . Specifically, the outer section of the pallet two-way conveying line 10 is a roller conveying line 100, and the outer end of the roller conveying line 100 connects to the input end of the pallet assembly unit; the inner section of the pallet two-way conveying line 10 is a chain conveying line 101, the The inner end of the chain conveying line 101 is at the stacking station of the unit goods, and the outer end thereof is connected with the inner end of the roller conveying line 100 . Wherein, the unit cargo stacking station is set in the stacking unit 2 on the chain conveying line 101 . The chain conveying line 101 is arranged on the upper plane of the outer section of the integral frame 32 described below.

It can also be seen from FIG. 2 that the empty pallet recycling line 11 includes a jacking, diverting and transferring conveyor 110 and an empty pallet roller line 111 . Among them, there are two jacking, diverting and transferring conveyors 110 connected together, the one on the right is set at the roller conveying line 100 , and the one on the left is set at the empty pallet roller line 111 . The empty pallet recovery line 11 can relay the pallet two-way conveying line 10 to carry out empty pallet reversing 90 degree output recovery.

The main function of the front conveying unit 1 is that during operation, the pallet assembly unit is input from the roller conveying line 100 of the pallet two-way conveying line 10, and is conveyed through the chain conveying line 101 to the unit cargo stacker in the stacking unit 2 location. At the unit cargo stacking station, after the unit cargo of the pallet assembly unit is clamped and lifted by the stacking unit 2, the pallets of the pallet assembly unit can pass through the chain conveyor line 101 and rollers of the pallet bidirectional conveyor line 10 The conveying line 100 is output and returned, and the empty pallet recovery line 11 is changed to 90 degrees to output and recover.

Fig. 1, Fig. 3, Fig. 3.1 and Fig. 3.2 are schematic diagrams of embodiments of the stacking unit 2, which mainly includes a main stand 20 and a stacking machine 21.

It can be seen from FIG. 3 that the main stand 20 spans over the above-mentioned chain conveying line 101 and the above-mentioned slide rail 31 of the conveying and transferring vehicle correspondingly, and is fixedly arranged at the unit cargo stacking station. Specifically, the main stand 20 includes four uprights 200 , flat tie rods 201 , and upright bases 202 . Wherein, the four uprights 200 are connected into an integrated structure by means of several sets of flat tie rods 201 , and a upright base 202 is provided at the bottom of the four uprights 200 , and the main stand 20 is installed on the ground through the upright base 202 .

As shown in Fig. 3, Fig. 3.1 and Fig. 3.2, the stacker 21 includes a holding frame 210, a four-way holding clip 211, and a lifting transmission device 212. As shown in FIG. 3 , the stacker 21 is installed in the four columns 200 in a liftable manner, and the lifting transmission device 212 of the stacker 21 is arranged on the flat tie rod 201 on the top of the main stand 20 and the four columns 200 .

In a preferred embodiment of the present application, as shown in FIGS. 3.1 and 3.2 , the holding frame 210 includes an overall frame structure, a lifting connection part 2103 , and a roller 2104 .

The overall frame structure specifically includes a horizontal frame 2100 arranged up and down, a four-corner vertical rod 2101 , and a splint vertical rod 2102 . The horizontal frame 2100 is provided with upper and lower structures, and the four corners of the upper and lower horizontal frame 2100 are connected by four corner vertical rods 2101 . A pair of clamping plate vertical bars 2102 are arranged between the four corner vertical bars 2101, and the overall frame structure of the holding clamp frame 210 is connected by upper and lower horizontal frames 2100, four corner vertical bars 2101, and holding splint vertical bars 2102.

The upper and lower four corners of the holding frame 210 are respectively provided with lifting connecting parts 2103 , and the lifting connecting parts 2103 are fixedly connected with the lifting chain 2123 of the lifting transmission device 212 . During operation, the clamping frame 210 moves up and down through the action of the lifting chain 2123 .

A plurality of rollers 2104 are respectively arranged on the outer sides of the upper and lower ends of the four-corner vertical bar 2101 , and the rollers 2104 can constrain and position the horizontal position and lifting movement of the holding frame 210 in the main stand 20 .

The four-way holding clips 211 are arranged symmetrically along the vertical centerline of the holding clip frame 210 and facing each other in the holding clip frame 210 . Specifically, as shown in Figures 3.1 and 3.2, the four-way holding clip 211 includes a four-way holding splint 2110, a holding clip scissor frame 2111, a holding force 2112, and an elastic panel (not shown in the figure), wherein the four-way holding splint 2110 The scissor frame 2111 is connected with the splint vertical bar 2102 by holding the clip.

Specifically, the double upper fork ends of the clamp scissor frame 2111 are respectively fixed and hinged with the upper part of the four-way clamp plate 2110 and the upper part of the clamp plate vertical bar 2102 through the hinged round hole 2113, and the double lower fork ends of the clamp scissor frame 2111 pass through The elongated chute 2114 is slidably hinged with the bottom of the four-way clamping plate 2110 and the clamping plate vertical bar 2102 respectively.

The fixed end of the holding power 2112 is arranged on the holding frame 210 , and the telescopic end of the holding power 2112 is arranged on the holding frame 2111 . During operation, the four-way clamping plate 2110 is clamped inwardly or loosened outwardly by the push-pull movement of the clamping power 2112 and under the action of the clamping scissors 2111 . Preferably, the clamping power 2112 is an oil cylinder. Of course, it can be understood that the clamping power 2112 can also be a cylinder or a motor.

An elastic panel made of elastic material is laid on the working surface of the four-way splint 2110 to increase the friction during operation.

It can be understood that when the unit goods of the pallet assembly unit can be effectively clamped from the front, rear or left and right sides, the four-way clamping structure (four-way clamping plate 2110) of the stacker 21 can also be simplified as a two-way clamping structure. clip structure.

As shown in Fig. 3, Fig. 3.1, 3.2, two sets of lifting transmission devices 212 are arranged in opposite positions, including lifting power 2120, transmission shaft 2121, lifting sprocket 2122 and lifting chain 2123. Wherein, the lifting power 2120 is set on the top flat tie rod 201 of the main stand 20 . The lifting sprocket 2122 is fixedly arranged on the upper and lower parts of the four columns 200 , and the lifting sprocket 2122 arranged on the upper part of the four columns 200 is connected to the lifting power 2120 through the transmission shaft 2121 . The lifting chain 2123 bypasses the upper and lower lifting sprockets 2122 arranged on the four columns 200 respectively, and the two ends of the lifting chain 2123 are respectively fixedly connected to the lifting connection parts 2103 on the upper and lower four corners of the holding frame 210.

By setting in this way, the stacker 21 can be lifted and lowered in the main stand 20 under the action of the lifting transmission device 212 according to the operation requirements. During the lifting process, the rollers 2104 arranged at the four corners of the upper and lower horizontal frames 2100 can enable the stacker 21 to perform four-way horizontal position positioning through the constraints of the four columns 200 .

The main function of the stacking unit 2 is to carry out four-way or two-way clamping of the unit cargo entering the pallet assembly unit at the unit cargo stacking station through the front conveyor unit 1 during operation, and to lift the unit cargo upward to the first Pause after a specified height position; the empty pallet separated from the unit cargo will be recovered through the front conveying unit 1, and the conveying transfer vehicle 30 will be moved to the unit cargo stacking station in the stacking unit 2, and it will be in the first position. The unit cargo at a specified height position is lifted, and the unit cargo is seated on the conveying and transferring vehicle 30, and then the clamping is released, and then the conveying and transferring vehicle 30 carrying the unit cargo is moved from the unit cargo stacking station Go to and from the temporary storage station for temporary storage; repeat the above operation process, and according to the operation process, the unit cargo is lifted to the second or third designated height position after being clamped and the continuous operation process is completed, and the unit cargo stacking can be realized. stacking operations.

Referring to Fig. 1, Fig. 4 and Fig. 2, it is a schematic diagram of an embodiment of the temporary storage transfer unit 3. The temporary storage and transfer unit 3 includes a transport and transfer vehicle 30 , a transport and transfer vehicle slide rail 31 , and an integrated frame 32 .

As can be seen from FIG. 4 , a pair of slide rails 31 of transporting and transferring vehicles are arranged in the integrated frame 32 in a parallel and symmetrical manner. Wherein, the inner section of the transport and transfer vehicle slide rail 31 is provided with a reciprocating temporary storage station, and the outer section of the transport and transfer vehicle slide rail 31 is arranged at the unit cargo stacking station in the stacking unit 2 . The transport transfer vehicle 30 is slidably arranged on the transport transfer vehicle slide rail 31 , and reciprocates between the temporary storage station and the unit cargo stacking station through the transport transfer vehicle slide rail 31 .

As can be seen from FIG. 4 , the transport and transfer vehicle 30 includes a transfer vehicle body 300 , a flat-top chain conveying device 301 , a flat-top chain transmission device 302 , and a transfer transmission device 303 . The transfer vehicle body 300 is the main structure of the transport transfer vehicle 30 , and the flat-top chain conveying device 301 and the flat-top chain transmission device 302 are arranged on the transfer vehicle body 300 . The flat-top chain conveying device 301 and the flat-top chain transmission device 302 constitute a flat-top chain conveying line on the transfer vehicle body 300 .

The moving transmission device 303 includes driving power (not marked on the figure) and a moving rack 3030, wherein the driving power (not marked on the figure) is arranged on the bottom of the transfer car body 300, and its output end is connected to the moving rack 3030 Mesh together. The moving rack 3030 is correspondingly laid on the integrated frame 32 .

Further, the lower part of the transfer vehicle body 300 is provided with a moving slider (not shown in the figure). The transfer car body 300 is slidably arranged on the transport transfer car slide rail 31 through the moving slider, and through the driving power (not shown on the figure) and the driving and transmission of the mobile rack 3030, the transport transfer car 30 is Carry out reciprocating movement on the slide rail 31 of conveying transfer vehicle.

The plane size of the conveying and transferring vehicle 30 is related to the plane dimension of the pallet; the moving direction of the conveying and transferring vehicle 30 is the same as the conveying direction of the flat-top chain conveying device 301; the dynamic output end of the conveying and transferring vehicle 30 is connected to the next unit cargo collection operation process.

As can be seen from FIG. 4 , the integrated frame 32 is composed of four columns (not shown in the figure) arranged at the four corners, an intermediate composite vertical bar arranged in the middle, and a longitudinal tie rod and a transverse tie rod. On the upper part of the integrated frame 32, there are respectively vertically provided with a transport transfer vehicle slide rail 31 and a chain transport line 101. Wherein, at the unit cargo stacking station in the stacking unit 2, the transport transfer vehicle slide rail 31 and the chain conveyor line 101 are provided with overlapping sections, and in the overlapping section, the transport transfer vehicle slide rails 31 are symmetrically arranged on the chain Inside the conveyor line 101.

The main function of the temporary storage and transfer unit 3 is that during operation, the transport and transfer vehicle 30 reciprocates between the unit cargo stacking station and the reciprocating temporary storage station through the transport and transfer vehicle slide rail 31 . At the unit cargo stacking station, the conveying and transferring vehicle 30 first carries the first unit cargo that has been depalletized and unclamped by the stacking unit 2, and the first unit cargo is transferred from the unit cargo stacking station to Temporary storage is carried out at the back and forth temporary storage station, and at the same time, the unit cargo stacking station is given up. After the second unit cargo is depalletized and clamped and lifted at the unit cargo stacking station, the conveyance transfer vehicle 30 carries the first unit cargo and is sent back to the unit cargo stacking station by the round-trip temporary storage station. Then, the second unit of cargo is lifted and clamped by the stacking unit 2, so that the second unit of cargo is correspondingly located on the top plane of the first unit of cargo, and a stacking unit is formed by the first unit of cargo and the second unit of cargo cargo handling. The conveying and transferring vehicle 30 carries the stacked unit goods and moves to the reciprocating temporary storage station, and then according to the needs of the operation, or at the reciprocating temporary storage station, the stacked unit goods are output from the conveying and transferring vehicle 30 into the In the next assembly operation process, the transport transfer vehicle 30 and the stacked unit cargo formed by two stacks of unit cargo will be transferred back to the unit cargo stacking station to perform the stacking operation of the third unit cargo.

The present invention also provides an operation method of the unit cargo stacking operation system of the above unit cargo stacking method, comprising the following steps:

P1. Transport the first pallet assembly unit to the unit cargo stacking station through the pallet bidirectional conveying line 10, and use the stacking unit 2 on the unit cargo stacking station to pair the first pallet assembly unit with the first tray assembly unit. The unit cargo is clamped and lifted to the height of the first designated position, and then moved out of the first pallet. The first pallet is recovered through the pallet bidirectional conveying line 10 and the empty pallet recovery line 11, and the conveying and transferring vehicle 30 is moved to the unit cargo stacking station;

P2. At the unit cargo stacking station, use the stacking unit 2 to lower the first unit cargo and release the lift, so that the first unit cargo is located on the conveying and transferring vehicle 30 and then released from the clamping, and then passes through the conveying and transferring vehicle 30 Transfer the first unit cargo from the unit cargo stacking station to the round-trip temporary storage station for temporary storage;

P3. Transport the second pallet assembly unit to the unit cargo stacking station through the pallet bidirectional conveying line 10, and use the stacking unit 2 on the unit cargo stacking station for the second The unit cargo is clamped and lifted to the height of the second designated position and then moved out of the second pallet, and the second pallet is recovered through the pallet two-way conveying line 10 and the empty pallet recovery line 11; The transport and transfer vehicle 30 is sent back to the unit cargo stacking station from the reciprocating temporary storage station;

P4. On the unit cargo stacking station, lower the second unit cargo from the height of the second specified position and place it on the top plane of the first unit cargo on the conveying and transferring vehicle 30 to form a stacked unit cargo. The second unit of cargo is released from the clamp;

P5. Transfer the conveying and transferring vehicle 30 carrying the stacked unit goods from the unit goods stacking station to the round-trip temporary storage station;

P6. Transport the stacked unit goods to the next process at the round-trip temporary storage station; or perform temporary storage again at the round-trip temporary storage station, and repeat the P1-P5 operation to stack the third unit goods or more unit goods stacking operations.

The unit cargo stacking operation system of the present invention makes the processed stacked unit cargo suitable for the height requirements of the loading design and the height requirements of other operating links, and through the collection of the stacked unit cargo and the overall assembly of the assembled unit cargo in the subsequent process The overall loading operation of the vehicle can finally achieve the effect of high efficiency, low consumption, green and environmental protection logistics operation.

The above content is only a preferred embodiment of the present invention, for those of ordinary skill in the art, according to the idea of the present invention, many changes can be made in the specific implementation and application range, as long as these changes do not depart from the concept of the present invention, all Belong to the protection scope of the present invention.

Claims (20)

1. A unit cargo stacking method, is characterized in that, comprises the following steps: S1. Transport the first palletized unit to the unit cargo stacking station, hold and clamp the first unit cargo at the unit cargo stacking station, lift it to the height of the first designated position, and then move out of the first tray; S2. At the unit cargo stacking station, lower the first unit cargo to release lifting and clamping, and then transfer the first unit cargo from the unit cargo stacking station to the round-trip temporary storage station Bits are temporarily stored; S3. Transport the second palletized unit to the unit cargo stacking station, hold and clamp the second unit cargo at the unit cargo stacking station, and lift the second unit cargo to the second Move out the second pallet after specifying the height of the position; S4. Transfer the first unit cargo from the round-trip temporary storage station to the unit cargo stacking station; at the unit cargo stacking station, transfer the second unit cargo from the second Lowering the height of the specified position, and correspondingly sitting on the top plane of the first unit cargo to form a stacked unit cargo, and releasing the clamping of the second unit cargo; S5. Sending the stacked unit goods from the unit goods stacking station to the round-trip temporary storage station; S6. Transport the stacked unit goods to the next process on the round-trip temporary storage station; or perform temporary storage again on the round-trip temporary storage station, and repeat S1-S5 operations to stack the remaining unit goods stacking operations. 2. The method for stacking unit goods according to claim 1, further comprising the step of: automatically recovering the pallet. 3. A unit cargo stacking operation system, characterized in that it comprises: The stacking unit (2) is used to remove the pallet of the pallet container unit to obtain the unit cargo, and stack one unit cargo on the top surface of another unit cargo to form a stacked unit cargo; The unit cargo stacking station is set at the stacking unit (2); The front conveying unit (1) includes a pallet bidirectional conveying line (10) for conveying the palletized unit to the unit cargo stacking station, one end of which is connected to the stacking unit (2); The round-trip temporary storage station is set at the following temporary storage transfer unit (3); The temporary storage and transfer unit (3) includes a transport and transfer vehicle (30) for reciprocally transporting the unit cargo or the stacked unit cargo between the unit cargo stacking station and the reciprocating temporary storage station ). 4. The unit cargo stacking operation system according to claim 3, characterized in that, the front conveyor unit (1) further includes an empty pallet recovery line for removing empty pallets from the unit cargo stacking station (11), one end of the empty pallet recycling line (11) is connected to the stacking unit (2) through the pallet bidirectional conveying line (10). 5. The unit cargo stacking operation system according to claim 4, characterized in that, the pallet bidirectional conveying line (10) includes a roller conveying line (100) and a chain conveying line (101); wherein, the pallet The outer section of the two-way conveying line (10) is a roller conveying line (100), and the outer end of the roller conveying line (100) connects to the input end of the pallet assembly unit; the inner section of the pallet two-way conveying line (10) It is a chain conveying line (101), the inner end of the chain conveying line (101) is at the stacking station of the unit goods, and the outer end of the chain conveying line (101) is connected with the inner end of the roller conveying line (100). 6. The unit cargo stacking operation system according to claim 5, characterized in that, the empty pallet recovery line (11) includes a jacking, steering and transfer conveyor (110) and an empty pallet roller line (111); Wherein, the jacking and diverting transfer conveyor (110) is provided with two connected ones, one of which is arranged at the roller conveying line (100), and the other is arranged at the empty pallet roller line ( 111). 7. The unit cargo stacking operation system according to any one of claims 3-6, characterized in that, the stacking unit (2) includes a main stand (20) and a stacking machine (21), wherein the The main stand (20) is arranged at the stacking station of the unit cargo; the stacker (21) is liftably installed on the main stand (20) for carrying out Clamping and lifting. 8. The unit cargo stacking operation system according to claim 7, characterized in that, the stacker (21) includes a clamp frame (210), a two-way or two-way clamp for clamping the unit cargo Four-way holding clip (211) and lifting transmission device (212); wherein, the lifting transmission device (212) is fixedly installed on the main stand (20), and its output end is connected to the holding clip frame ( 210) are fixedly connected together, and the two-way or four-way holding clips (211) are installed in pairs on the holding clip frame (210) facing each other. 9. The unit cargo stacking operation system according to claim 8, characterized in that, the clamp frame (210) includes an overall frame structure and a lifting connection part (2103), wherein the lifting connection part (2103) is fixed Installed on the overall frame structure, it is fixedly connected with the lifting transmission device (212). 10. The unit cargo stacking operation system according to claim 9, characterized in that, the holding frame (210) further includes rollers (2104), and the rollers (2104) are arranged on the outside of the overall frame structure , abut against the main stand (20). 11. The unit cargo stacking operation system according to claim 9 or 10, characterized in that the overall frame structure includes two horizontal frames (2100), four-corner vertical bars (2101), and splint-holding vertical bars (2102) ; Wherein, the two horizontal frames (2100) are fixedly connected together by a plurality of the four-corner vertical bars (2101), and a pair of the four-corner vertical bars (2101) are arranged between two adjacent four-corner vertical bars (2101). As for the splint vertical bars (2102), each pair of the splint-holding vertical bars (2102) is arranged opposite to another pair of the splint-holding vertical bars (2102). 12. The unit cargo stacking operation system according to claim 8, characterized in that, the four-way clamp (211) includes a four-way clamp (2110) and clamp power (2112), wherein the clamp The fixed end of the power (2112) is arranged on the clamp frame (210), and the telescopic end of the clamp power (2112) acts on the four-way clamp plate (2110). 13. The unit cargo stacking operation system according to claim 12, characterized in that, the four-way holding clip (211) also includes a holding clip scissor frame (2111), and the holding clip scissor frame (2111) It is telescopically arranged between the four-way splint (2110) and the corresponding vertical rod (2102) of the splint. 14. The unit cargo stacking operation system according to claim 13, characterized in that, the double upper fork ends of the clamping scissor frame (2111) are connected to the four-way clamping plate (2110) and the clamping fork respectively. The upper part of the splint vertical bar (2102) is fixed and hinged, and the double lower fork ends of the clamp scissors frame (2111) are respectively connected to the lower parts of the four-way splint (2110) and the splint vertical bar (2102). Carry out slidable hinge; the telescoping end of the clamp power (2112) is set on the clamp scissor frame (2111). 15. The unit cargo stacking operation system according to claim 14, characterized in that, the four-way clamp (211) further includes an elastic panel, and the elastic panel is laid on the four-way clamp (2110) work surface. 16. The unit cargo stacking operation system according to claim 8, characterized in that, the lifting transmission device (212) includes a lifting power (2120), a transmission shaft (2121), a lifting sprocket (2122) and a lifting chain (2123), wherein the lifting power (2120) is fixedly installed on the main stand (20); Lower part; one end of the transmission shaft (2121) is connected with the output shaft of the lifting power (2120), and the other end is connected with the lifting sprocket (2122); the lifting chain (2123) is wound On the lifting sprocket (2122), both ends are fixedly connected with the clamp frame (210). 17. The unit cargo stacking operation system according to claim 3, characterized in that, the temporary storage and transfer unit (3) also includes a transport transfer vehicle slide rail (31), and the transport transfer vehicle slide rail (31) The inner section of (31) is provided with the reciprocating temporary storage station, and the outer section of the transport and transfer vehicle slide rail (31) is arranged at the stacking station of the unit goods; the transport and transfer vehicle (30 ) is slidably arranged on the slide rail (31) of the conveying and transferring vehicle, and reciprocates between the reciprocating temporary storage station and the unit cargo stacking station. 18. The unit cargo stacking operation system according to claim 3 or 17, characterized in that, the conveying and transferring vehicle (30) comprises a transferring vehicle body (300), a flat top chain conveying device (301), a flat Top chain transmission device (302), wherein the flat top chain conveying device (301) is sleeved on the flat top chain transmission device (302), and laid on the transfer vehicle body (300) On the surface, the conveying direction of the flat-top chain conveying device (301) is the same as the moving direction of the conveying and transferring vehicle (30). 19. The unit cargo stacking operation system according to claim 17, characterized in that, the temporary storage and transfer unit (3) also includes an integrated frame (32), and the transport and transfer vehicle slide rail (31) and The front conveyor unit (1) is laid on the integrated frame (32). 20. An operation method for a unit cargo stacking operation system, characterized in that the unit cargo stacking operation system includes: The stacking unit (2) is used to remove the pallet of the pallet container unit to obtain the unit cargo, and stack one unit cargo on the top surface of another unit cargo to form a stacked unit cargo; The unit cargo stacking station is set at the stacking unit (2); The front conveying unit (1) includes a pallet bidirectional conveying line (10) for conveying the palletized unit to the unit cargo stacking station, one end of which is connected to the stacking unit (2); The back-and-forth temporary storage station is arranged at the temporary storage transfer unit (3); The temporary storage and transfer unit (3) includes a transport and transfer vehicle (30) for reciprocally transporting the unit cargo or the stacked unit cargo between the unit cargo stacking station and the reciprocating temporary storage station ); The working method includes the following steps: P1. Transport the first pallet assembly unit to the unit cargo stacking station through the front conveying unit (1), and use the stacking unit (2) on the unit cargo stacking station to The first unit cargo of the first pallet assembly unit is clamped, lifted to the height of the first designated position, and then moved out of the first pallet, and at the same time, the conveying and moving vehicle (30) is moved to the stack of the unit cargo Station; P2. At the stacking station of the unit cargo, use the stacking unit (2) to lower and lift the first unit cargo, so that the first unit cargo is placed on the conveying and transferring vehicle (30 ) after being loaded, the clamp is released, and then the first unit cargo is transferred from the unit cargo stacking station to the round-trip temporary storage station for temporary storage by the transport transfer vehicle (30); P3. Transport the second pallet assembly unit to the unit cargo stacking station through the front conveying unit (1), and use the stacking unit (2) on the unit cargo stacking station to The second unit cargo of the second pallet assembly unit is clamped, and lifted to the height of the second designated position and then moved out of the second pallet; the conveying transfer vehicle (30) carrying the first said unit cargo Transferring from the reciprocating temporary storage station to the unit cargo stacking station; P4. At the stacking station of the unit cargo, lower the second unit cargo from the height of the second designated position, and correspondingly seat the first unit cargo on the conveying and transferring vehicle (30) A stacked unit cargo is formed on the top plane of the unit cargo, and the clamping of the second unit cargo is released; P5. Transporting the conveyance and transfer vehicle (30) carrying the stacked unit goods from the unit goods stacking station to the round-trip temporary storage station; P6. Transport the stacked unit goods to the next process at the reciprocating temporary storage station; or perform temporary storage again at the reciprocating temporary storage station, and repeat P1-P5 to perform the stacking operation of the remaining unit goods.

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