Pre-stacking loading device

Abstract

The invention discloses a pre-stacking loading device and relates to the field of loading, the pre-stacking loading device comprises an alignment mechanism and a loading mechanism, the alignment mechanism comprises a laser radar, a bottom plate, an adjusting mechanism and a mounting plate, the laser radar is used for scanning the position of a container, and the adjusting mechanism is used for adjusting the mounting plate to rotate and translate relative to the bottom plate; the loading mechanism is mounted on the mounting plate; the loading mechanism comprises a supporting frame, a first driving mechanism, a first conveying mechanism, a second driving mechanism, a second conveying mechanism, a third driving mechanism, a push plate, a fourth driving mechanism and a supporting plate. The goods shelf has the advantages that a row of goods can be integrally pushed into one layer of the goods shelf every time, and layered loading is achieved; when the stack shape adjusting mechanism carries out stacking, the loading mechanism can carry out loading at the same time, and the working efficiency is high; and the loading mechanism can be conveniently and quickly aligned with the container, so that the working efficiency is improved.

Description

Technical Field

[0001] The invention relates to the field of vehicle loading, and in particular to a pre-palletizing vehicle loading device. Background Art

[0002] After the goods come off the production line, they are generally re-palletized according to the size of the truck container when loading, so that the length, width and height of the pallet can maximize the use of the internal space of the container, and the palletized pallet is loaded by the loading device. For example, the patent document with publication number CN113651138A discloses a container intelligent fast loading machine, including a liftable loading platform, a cargo pushing device and a platform moving device. The cargo pushing device can push the palletized cargo at the front end of the loading platform to the end of the loading platform, and the platform moving device can push the loading platform into the container.

[0003] The existing loading device has the following disadvantages: the roller conveyor occupies the bottom space of the container during loading, and a large gap is left between the top of the box and the container after loading, which wastes space. For truck containers with upper and lower multi-layer shelves used for loading glass bricks, the space reserved for each layer is small, and the existing loading device cannot complete layered loading; the cargo pushing device needs to stop and wait for palletizing before pushing the cargo for loading, and it is impossible to perform palletizing and loading at the same time, resulting in low work efficiency; it is difficult to align with the container and requires manual adjustment, resulting in low work efficiency. Summary of the invention

[0004] The technical problem to be solved by the present invention is how to push a row of goods into a layer of the shelf as a whole each time to achieve layered loading and enable the loading device to align with the container conveniently and quickly.

[0005] The present invention solves the above technical problems through the following technical means: a pre-palletizing loading device, comprising an alignment mechanism and a loading mechanism, the alignment mechanism comprising a laser radar, a bottom plate, an adjustment mechanism and a mounting plate, the laser radar is used to scan the position of the container, the adjustment mechanism is used to adjust the rotation and translation of the mounting plate relative to the bottom plate, and the loading mechanism is mounted on the mounting plate;

[0006] The loading mechanism includes a support frame, a first driving mechanism, a first conveying mechanism, a second driving mechanism, a second conveying mechanism, a third driving mechanism, a push plate, a fourth driving mechanism and a support plate; the upper end of the first conveying mechanism is rotatably connected to the upper end of the support frame, and the first driving mechanism is used to drive the first conveying mechanism to rotate up and down; the upper end of the second conveying mechanism is rotatably connected to the lower end of the first conveying mechanism, and the second driving mechanism is used to drive the second conveying mechanism to rotate up and down; the push plate is movably arranged below the second conveying mechanism, and the third driving mechanism is used to drive the push plate to extend and retract along the conveying direction of the second conveying mechanism; the support plate is movably arranged below the push plate, and the fourth driving mechanism is used to drive the support plate to extend and retract along the conveying direction of the second conveying mechanism.

[0007] As an optimized technical solution, the second driving mechanism includes a rotating motor, a driving shaft, a transmission gear and a rotating rod; the rotating motor is fixedly connected to the frame of the first conveying mechanism, the output shaft of the rotating motor is driven and matched with one end of the driving shaft, and the other end of the driving shaft is rotatably connected to the frame of the first conveying mechanism; the transmission gear is fixedly connected to the outer periphery of the driving shaft, one end of the rotating rod is provided with teeth and meshes with the transmission gear, and the two ends of the rotating rod are respectively fixedly connected to the two ends of the second conveying mechanism along the conveying direction.

[0008] As an optimized technical solution, the third driving mechanism includes a first connecting plate, a second connecting plate, a pushing motor, a screw rod, a connecting frame, a guide rail and a slider, the first connecting plate and the second connecting plate are arranged at intervals along the conveying side of the second conveying mechanism and are respectively fixedly connected to the rotating rod, the pushing motor is fixedly connected to the first connecting plate, the output shaft of the pushing motor is driven and matched with one end of the screw rod, the other end of the screw rod is rotatably connected to the second connecting plate, the connecting frame is threadedly connected to the screw rod and fixedly connected to the push plate, the guide rail is fixedly connected to the rotating rod, and the connecting frame is slidably matched with the guide rail through a slider;

[0009] The fourth driving mechanism has the same structure as the third driving mechanism, and the connection method between the support plate and the fourth driving mechanism is also the same as the connection method between the push plate and the third driving mechanism.

[0010] As an optimized technical solution, the adjustment mechanism includes left and right translation rails, front and rear translation rails, a rotating shaft, a rotating seat, a left and right pushing mechanism and a front and rear pushing mechanism; the left and right translation rails are provided with two groups at intervals in front and back and are fixedly connected to the base plate respectively, the two groups of left and right translation rails are slidably connected with rotating seats respectively, and the front sides and middle positions of the front and rear translation rails are rotationally connected to the corresponding rotating seats through rotating shafts respectively; the left and right pushing mechanisms are provided with two groups, and the two groups of left and right pushing mechanisms are fixedly connected to the base plate, the telescopic end of the first group of left and right pushing mechanisms is rotationally connected to the rotating seat on the front side, and the telescopic end of the second group of left and right pushing mechanisms is rotationally connected to the middle position of the front and rear translation rails; the front and rear pushing mechanisms are used to push the mounting plate to translate forward and backward along the front and rear translation rails.

[0011] As an optimized technical solution, the adjustment mechanism further includes moving wheels, and a plurality of groups of moving wheels are installed on the front and rear translation tracks at intervals along the front and rear directions, and the moving wheels are in contact with the bottom plate.

[0012] As an optimized technical solution, the pre-palletizing and loading device further includes a transport mechanism and a stack shape adjustment mechanism, wherein the transport mechanism is used to transport the entire stack of goods to the stack shape adjustment mechanism, and the stack shape adjustment mechanism is used to adjust the stack shape of the goods. Both the transport mechanism and the loading mechanism are mounted on the mounting plate;

[0013] The stack shape adjustment mechanism includes a fourth conveying mechanism, a first horizontal steering mechanism, a flipping mechanism, a second horizontal steering mechanism and a fifth conveying mechanism. The first horizontal steering mechanism, the flipping mechanism and the second horizontal steering mechanism are sequentially arranged between the end of the fourth conveying mechanism and the starting end of the fifth conveying mechanism.

[0014] As an optimized technical solution, the first horizontal steering mechanism includes a conveying frame, a conveying shaft, a conveying motor, a steering plate, a steering motor, a lifting electric push rod and a guide rod; a plurality of conveying shafts are installed on the conveying frame in parallel with each other along the conveying direction, and the conveying motor is used to drive the conveying shaft to rotate; the steering plate is arranged in the gap of the conveying shaft, the steering motor is arranged below the conveying shaft, and the output shaft of the steering motor is driven to cooperate with the steering plate; the lifting electric push rod is arranged below the steering motor and fixedly connected to the conveying frame, and the lifting end of the lifting electric push rod is fixedly connected to the steering motor; the guide rod is fixedly connected to the conveying frame, and the steering motor is slidably matched with the guide rod; the second horizontal steering mechanism has the same structure as the first horizontal steering mechanism.

[0015] As an optimized technical solution, the flipping mechanism includes a belt conveyor mechanism, a flipping shaft, an L-shaped plate and a flipping motor. The flipping shaft is rotatably connected to the belt conveyor mechanism and its length direction is perpendicular to the conveying direction of the belt conveyor mechanism. The L-shaped plate is fixedly connected to the flipping shaft and is arranged in the belt gap of the belt conveyor mechanism. The flipping motor is installed on the belt conveyor mechanism, and the output shaft of the flipping motor is driven to cooperate with the flipping shaft.

[0016] As an optimized technical solution, the stack shape adjustment mechanism also includes a third conveying mechanism, the end of the third conveying mechanism is connected to the starting end of the fourth conveying mechanism; the fourth conveying mechanism, the first horizontal steering mechanism, the flipping mechanism and the second horizontal steering mechanism are each provided with two groups, the third conveying mechanism runs in both directions from the middle to both ends and the two ends are respectively connected to the starting ends of the two groups of fourth conveying mechanisms, the fifth conveying mechanism runs in both directions from both ends to the middle and the two ends are respectively connected to the two groups of second horizontal steering mechanisms.

[0017] As an optimized technical solution, the fourth conveying mechanism and the fifth conveying mechanism both use roller conveyors, and the starting end of the fourth conveying mechanism and the starting end and the end of the fifth conveying mechanism are both provided with lifting conveyor belts that pass through their own rollers and whose conveying direction is perpendicular to their own conveying direction.

[0018] The advantages of the present invention are:

[0019] 1. Each time, a row of goods can be pushed into one layer of the shelf as a whole to achieve layered loading.

[0020] 2. When the stacking shape adjustment mechanism is used for palletizing, the loading mechanism can also load the vehicle at the same time, which has high working efficiency.

[0021] 3. The loading mechanism can align the container conveniently and quickly, improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic structural diagram of a pre-palletizing and loading device according to an embodiment of the present invention.

[0023] Figure 2 It is a structural schematic diagram of an alignment mechanism according to an embodiment of the present invention.

[0024] Figure 3 It is a structural schematic diagram of the adjustment mechanism of an embodiment of the present invention.

[0025] Figure 4 It is a structural schematic diagram of the forward and backward pushing mechanism of an embodiment of the present invention.

[0026] Figure 5 Schematic diagram of the structure of the stack shape adjustment mechanism according to an embodiment of the present invention.

[0027] Figure 6 It is a schematic structural diagram of the first horizontal steering mechanism according to an embodiment of the present invention.

[0028] Figure 7 It is a structural schematic diagram of the turning mechanism according to an embodiment of the present invention.

[0029] Figure 8 It is a partially enlarged schematic diagram of the loading mechanism according to an embodiment of the present invention.

[0030] Fig. 9 Schematic diagram of the structure of the second driving mechanism, the third driving mechanism and the fourth driving mechanism according to an embodiment of the present invention. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described in combination with the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the protection scope of the present invention.

[0032] like Figures 1 to 9 As shown, an embodiment of the present invention discloses a pre-palletizing and loading device, comprising a transport mechanism 1, an alignment mechanism 2, a pallet shape adjustment mechanism 3 and a loading mechanism 4.

[0033] The transport mechanism 1 adopts a multi-axis robot, and is used to transport the whole stack of goods 5 coming down the production line to the stack shape adjustment mechanism 3, and the stack shape adjustment mechanism 3 is used to adjust the goods 5 into a stack shape suitable for one layer of the shelf.

[0034] The alignment mechanism 2 includes a laser radar (not shown), a base plate 21, an adjustment mechanism and a mounting plate 29, and the adjustment mechanism includes a left and right translation rail 22, a front and rear translation rail 23, a rotating shaft 24, a rotating seat 25, a moving wheel 26, a left and right pushing mechanism 27 and a front and rear pushing mechanism 28.

[0035] The laser radar is used to scan the position of the container, the adjustment mechanism is used to adjust the rotation and translation of the mounting plate 29 relative to the bottom plate 21, and the stack shape adjustment mechanism 3 and the loading mechanism 4 are both installed on the mounting plate 29.

[0036] Two groups of left and right translation rails 22 are arranged at intervals in front and back and are fixedly connected to the base plate 21 respectively. The two groups of left and right translation rails 22 are slidably connected with rotating seats 25 respectively. The front sides and middle positions of the front and rear translation rails 23 are rotationally connected to the corresponding rotating seats 25 through rotating shafts 24 respectively; multiple groups of moving wheels 26 are installed at intervals along the front and rear directions on the front and rear translation rails 23, and the moving wheels 26 are in contact with the base plate 21; the left and right pushing mechanisms 27 adopt electric push rods, and the left and right pushing mechanisms 27 are arranged in two groups. The two groups of left and right pushing mechanisms 27 are fixedly connected to the base plate 21, the telescopic end of the first group of left and right pushing mechanisms 27 is rotationally connected to the rotating seat 25 on the front side, and the telescopic end of the second group of left and right pushing mechanisms 27 is rotationally connected to the middle position of the front and rear translation rails 23, and the mounting plate 29 can be rotated or translated left and right relative to the base plate 21 by controlling the extension length of the telescopic ends of the two groups of left and right pushing mechanisms 27.

[0037] The front-to-back pushing mechanism 28 is used to push the mounting plate 29 to translate forward and backward along the front-to-back translation track 23. The front-to-back pushing mechanism 28 includes a translation motor 281, a reducer 282, a coupling 283, a moving shaft 284 and a moving gear 285. The translation motor 281 is fixedly connected to the bottom of the mounting plate 29, and the output shaft of the translation motor 281 is connected to the input end of the reducer 282. The left and right output ends of the reducer 282 are respectively connected to the moving shaft 284 through the coupling 283, and the outer ends of each moving shaft 284 are fixedly connected to the moving gear 285; the top sides of the front-to-back translation track 23 are respectively fixedly connected with racks extending along the front-to-back direction, and the two moving gears 285 are respectively meshed with the two racks; the translation motor 281 drives the left and right moving gears 285 to rotate after being decelerated by the reducer 282, so that the mounting plate 29 can translate forward and backward along the front-to-back pushing mechanism 28.

[0038] The stack shape adjustment mechanism 3 includes a third conveying mechanism 31, a fourth conveying mechanism 32, a first horizontal steering mechanism 33, a flipping mechanism 34, a second horizontal steering mechanism 35 and a fifth conveying mechanism 36. The end of the third conveying mechanism 31 is connected to the starting end of the fourth conveying mechanism 32. The first horizontal steering mechanism 33, the flipping mechanism 34 and the second horizontal steering mechanism 35 are sequentially arranged between the end of the fourth conveying mechanism 32 and the starting end of the fifth conveying mechanism 36. The third conveying mechanism 31, the fourth conveying mechanism 32 and the fifth conveying mechanism 36 all adopt roller conveyors. The starting end of the fourth conveying mechanism 32 and the starting end and the end of the fifth conveying mechanism 36 are all provided with a lifting conveyor belt that passes through its own rollers and has a conveying direction perpendicular to its own conveying direction. The lifting conveyor belt is a common device in the field and is used for docking goods.

[0039] The fourth conveying mechanism 32, the first horizontal steering mechanism 33, the flipping mechanism 34 and the second horizontal steering mechanism 35 are each provided with two groups. The third conveying mechanism 31 runs bidirectionally from the middle to both ends and the two ends are respectively connected to the starting ends of the two groups of fourth conveying mechanisms 32. The fifth conveying mechanism 36 runs bidirectionally from both ends to the middle and the two ends are respectively connected to the two groups of second horizontal steering mechanisms 35.

[0040] The first horizontal steering mechanism 33 includes a conveying frame 331, a conveying shaft 332, a conveying motor (not shown), a steering plate 333, a steering motor 334, a lifting electric push rod 335 and a guide rod 336; a plurality of conveying shafts 332 are installed on the conveying frame 331 in parallel with each other along the conveying direction, and the conveying motor is used to drive the conveying shaft 332 to rotate; the steering plate 333 is arranged in the gap of the conveying shaft 332, the steering motor 334 is arranged below the conveying shaft 332, and the output shaft of the steering motor 334 is driven to cooperate with the steering plate 333; the lifting electric push rod 335 is arranged below the steering motor 334 and is fixedly connected to the conveying frame 331, and the lifting electric push rod 335 is arranged below the steering motor 334. The lifting end of the electric push rod 335 is fixedly connected to the steering motor 334; the guide rod 336 is fixedly connected to the conveying frame 331, and the steering motor 334 and the guide rod 336 are slidably matched; the stack shape of the goods transported to the stack shape adjustment mechanism 3 is fixed. According to the set program, when a certain order of goods transported to the first horizontal steering mechanism 33 needs to be horizontally turned, the lifting electric push rod 335 first drives the steering plate 333 to rise and lift the goods, and then the steering motor 334 drives the steering plate 333 to rotate to realize the horizontal turning of the goods. After the turning is completed, the lifting electric push rod 335 drives the steering plate 333 to descend to make the goods return to the conveying shaft 332 for continued transportation.

[0041] The flip mechanism 34 includes a belt conveyor mechanism 341, a flip shaft 342, an L-shaped plate 343 and a flip motor (not shown); the flip shaft 342 is rotatably connected to the belt conveyor mechanism 341 and its length direction is perpendicular to the conveying direction of the belt conveyor mechanism 341, the L-shaped plate 343 is fixedly connected to the flip shaft 342 and is arranged in the belt gap of the belt conveyor mechanism 341; the flip motor is installed on the belt conveyor mechanism 341, and the output shaft of the flip motor is driven to cooperate with the flip shaft 342; when the goods do not need to be flipped, the L-shaped plate 343 43 rotates until the whole is located under the belt of the belt conveyor mechanism 341, so that the goods can pass directly without turning over; when the goods need to be turned over, a part of the L-shaped plate 343 is first located under the side of the belt of the belt conveyor mechanism 341 close to the starting end, and the other part is erected above the middle position of the belt of the belt conveyor mechanism 341. When the goods are conveyed to the upright part that contacts the L-shaped plate 343, the L-shaped plate 343 rotates so that the originally upright part is located under the side of the belt of the belt conveyor mechanism 341 close to the end, thereby turning the direction of the goods over.

[0042] The second horizontal steering mechanism 35 has the same structure as the first horizontal steering mechanism 33. The first horizontal steering mechanism 33 is used to horizontally turn the goods that need to be turned over to a direction that is adapted to the turning mechanism 34 before turning over. The second horizontal steering mechanism 35 is used to horizontally turn the goods after being turned over by the turning mechanism 34. The first horizontal steering mechanism 33, the turning mechanism 34 and the second horizontal steering mechanism 35 can be used together to arrange the goods in a row in multiple directions to adapt to shelves of different specifications.

[0043] The stack shape adjustment mechanism 3 further comprises a camera and a rejection mechanism. The camera is arranged above the second horizontal steering mechanism 35 , and the rejection mechanism is used to reject goods with unqualified directions.

[0044] The loading mechanism 4 includes a support frame 41, a first driving mechanism 42, a first conveying mechanism 43, a second driving mechanism 44, a second conveying mechanism 45, a third driving mechanism 46, a push plate 47, a fourth driving mechanism 48 and a support plate 49; the first conveying mechanism 43 and the second conveying mechanism 45 both adopt belt conveyors; the upper end of the first conveying mechanism 43 is rotatably connected to the upper end of the support frame 41, and the first driving mechanism 42 is used to drive the first conveying mechanism 43 to rotate up and down; the upper end of the second conveying mechanism 45 is rotatably connected to the lower end of the first conveying mechanism 43, and the second driving mechanism 44 is used to drive the second conveying mechanism 45 to rotate up and down; the push plate 47 is movably arranged below the second conveying mechanism 45, and the third driving mechanism 46 is used to drive the push plate 47 to extend and retract along the conveying direction of the second conveying mechanism 45; the support plate 49 is movably arranged below the push plate 47, and the fourth driving mechanism 48 is used to drive the support plate 49 to extend and retract along the conveying direction of the second conveying mechanism 45.

[0045] The first driving mechanism 42 adopts an electric push rod, one end of which is rotatably connected to the lower end of the support frame 41 , and the other end of which is rotatably connected to the bottom middle position of the first conveying mechanism 43 .

[0046] The second driving mechanism 44 includes a rotating motor 441, a driving shaft 442, a transmission gear 443 and a rotating rod 444; the rotating motor 441 is fixedly connected to the frame of the first conveying mechanism 43, and the output shaft of the rotating motor 441 is driven and matched with one end of the driving shaft 442, and the other end of the driving shaft 442 is rotatably connected to the frame of the first conveying mechanism 43; a plurality of transmission gears 443 are arranged at equal intervals along the length direction of the driving shaft 442 and are respectively fixedly connected to the outer periphery of the driving shaft 442, a plurality of rotating rods 444 are arranged one by one corresponding to the transmission gears 443, one end of the rotating rod 444 is provided with teeth and meshes with the corresponding transmission gear 443, and the two ends of the rotating rod 444 are respectively fixedly connected to the two ends of the second conveying mechanism 45 along the conveying direction.

[0047] The third driving mechanism 46 includes a first connecting plate, a second connecting plate, a pushing motor, a screw rod, a connecting frame, a guide rail and a slider. The first connecting plate and the second connecting plate are arranged at intervals along the conveying side of the second conveying mechanism 45 and are respectively fixedly connected to the rotating rod 444. The pushing motor is fixedly connected to the first connecting plate. The output shaft of the pushing motor is driven to cooperate with one end of the screw rod. The other end of the screw rod is rotatably connected to the second connecting plate. The connecting frame is threadedly connected to the screw rod and fixedly connected to the push plate 47. The guide rail is fixedly connected to the rotating rod 444. The connecting frame slides with the guide rail through a slider.

[0048] The fourth driving mechanism 48 has the same structure as the third driving mechanism 46 , and the connection method between the supporting plate 49 and the fourth driving mechanism 48 is also the same as the connection method between the pushing plate 47 and the third driving mechanism 46 .

[0049] Working principle: The laser radar first scans the position of the container and calculates the position of the center line of the container. Then the adjustment mechanism adjusts the mounting plate 29 to rotate and translate relative to the bottom plate 21 so that the loading mechanism 4 is aligned with the container. Then the first driving mechanism 42 drives the first conveying mechanism 43 to rotate to the lower end corresponding to the lower partition of the lowest layer of the shelf. At the same time, the second driving mechanism 44 drives the second conveying mechanism 45 to rotate to a horizontal state. The fourth driving mechanism 48 drives the support plate 49 to extend to the bottom surface of the lowest layer of the shelf. After the stacking adjustment mechanism 3 adjusts the goods 5 to a stacking shape suitable for one layer of the shelf, the lifting conveyor belt at the end of the fifth conveying mechanism 36 rises to deliver a row of goods as a whole to the first conveying mechanism 43. The goods are transported to the first conveying mechanism 43 via the first conveying mechanism 4. 3 and the second conveying mechanism 45 convey in sequence to the pallet 49; then the third driving mechanism 46 drives the push plate 47 to extend to push a row of goods into the lowest layer of the shelf as a whole, at which time the push plate 47 supports the goods, and the fourth driving mechanism 48 drives the pallet 49 to retract; then the first driving mechanism 42 drives the first conveying mechanism 43 to rotate to the lower partition of the second layer from bottom to top of the corresponding shelf, and then pushes a row of goods into the second layer from bottom to top of the shelf as a whole according to the above method, and so on until the shelf is full; when loading, only the pallet 49 occupies the space of one layer of the board at the bottom of the goods, and a row of goods can be pushed into one layer of the shelf as a whole each time, realizing layered loading; the loading mechanism 4 can load the vehicle at the same time when the stacking shape adjustment mechanism 3 is stacking, and the working efficiency is high.

[0050] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, it should be understood by those skilled in the art that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A pre-palletizing loading device, characterized in that: It includes an alignment mechanism and a loading mechanism, wherein the alignment mechanism includes a laser radar, a bottom plate, an adjustment mechanism and a mounting plate, wherein the laser radar is used to scan the position of the container, the adjustment mechanism is used to adjust the rotation and translation of the mounting plate relative to the bottom plate, and the loading mechanism is mounted on the mounting plate; The loading mechanism includes a support frame, a first driving mechanism, a first conveying mechanism, a second driving mechanism, a second conveying mechanism, a third driving mechanism, a push plate, a fourth driving mechanism and a support plate; the upper end of the first conveying mechanism is rotatably connected to the upper end of the support frame, and the first driving mechanism is used to drive the first conveying mechanism to rotate up and down; the upper end of the second conveying mechanism is rotatably connected to the lower end of the first conveying mechanism, and the second driving mechanism is used to drive the second conveying mechanism to rotate up and down; the push plate is movably arranged below the second conveying mechanism, and the third driving mechanism is used to drive the push plate to extend and retract along the conveying direction of the second conveying mechanism; the support plate is movably arranged below the push plate, and the fourth driving mechanism is used to drive the support plate to extend and retract along the conveying direction of the second conveying mechanism.

2. The pre-palletizing and loading device according to claim 1 is characterized in that: The second driving mechanism includes a rotating motor, a driving shaft, a transmission gear and a rotating rod; The rotating motor is fixedly connected to the frame of the first conveying mechanism, the output shaft of the rotating motor is drivingly matched with one end of the driving shaft, and the other end of the driving shaft is rotatably connected to the frame of the first conveying mechanism; The transmission gear is fixedly connected to the outer periphery of the driving shaft, one end of the rotating rod is provided with teeth and meshes with the transmission gear, and both ends of the rotating rod are respectively fixedly connected to the two ends of the second conveying mechanism along the conveying direction.

3. The pre-palletizing and loading device according to claim 2 is characterized in that: The third driving mechanism includes a first connecting plate, a second connecting plate, a pushing motor, a screw rod, a connecting frame, a guide rail and a slider, the first connecting plate and the second connecting plate are arranged at intervals along the conveying side of the second conveying mechanism and are respectively fixedly connected to the rotating rod, the pushing motor is fixedly connected to the first connecting plate, the output shaft of the pushing motor is driven and matched with one end of the screw rod, the other end of the screw rod is rotatably connected to the second connecting plate, the connecting frame is threadedly connected to the screw rod and fixedly connected to the push plate, the guide rail is fixedly connected to the rotating rod, and the connecting frame is slidably matched with the guide rail through a slider; The fourth driving mechanism has the same structure as the third driving mechanism, and the connection method between the support plate and the fourth driving mechanism is also the same as the connection method between the push plate and the third driving mechanism.

4. The pre-palletizing and loading device according to claim 1 is characterized in that: The adjustment mechanism includes left and right translation rails, front and rear translation rails, a rotating shaft, a rotating seat, a left and right pushing mechanism and a front and rear pushing mechanism; the left and right translation rails are provided with two groups at intervals in front and back and are fixedly connected to the base plate respectively, and the two groups of left and right translation rails are respectively slidably connected with rotating seats, and the front sides and middle positions of the front and rear translation rails are respectively rotatably connected to the corresponding rotating seats through rotating shafts; the left and right pushing mechanisms are provided with two groups, and the two groups of left and right pushing mechanisms are fixedly connected to the base plate, the telescopic end of the first group of left and right pushing mechanisms is rotatably connected to the rotating seat on the front side, and the telescopic end of the second group of left and right pushing mechanisms is rotatably connected to the middle position of the front and rear translation rails; the front and rear pushing mechanisms are used to push the mounting plate to translate forward and backward along the front and rear translation rails.

5. The pre-palletizing and loading device according to claim 4 is characterized in that: The adjustment mechanism further comprises moving wheels. A plurality of groups of moving wheels are installed on the front and rear translation tracks at intervals along the front and rear directions, and the moving wheels are in contact with the bottom plate.

6. The pre-palletizing and loading device according to claim 1, characterized in that: The pre-palletizing and loading device further comprises a transport mechanism and a stacking shape adjusting mechanism, wherein the transport mechanism is used to transport a whole stack of goods to the stacking shape adjusting mechanism, and the stacking shape adjusting mechanism is used to adjust the stacking shape of the goods. Both the transport mechanism and the loading mechanism are mounted on the mounting plate; The stack shape adjustment mechanism includes a fourth conveying mechanism, a first horizontal steering mechanism, a flipping mechanism, a second horizontal steering mechanism and a fifth conveying mechanism. The first horizontal steering mechanism, the flipping mechanism and the second horizontal steering mechanism are sequentially arranged between the end of the fourth conveying mechanism and the starting end of the fifth conveying mechanism.

7. The pre-palletizing and loading device according to claim 6, characterized in that: The first horizontal steering mechanism includes a conveying frame, a conveying shaft, a conveying motor, a steering plate, a steering motor, a lifting electric push rod and a guide rod; a plurality of conveying shafts are installed on the conveying frame in parallel with each other along the conveying direction, and the conveying motor is used to drive the conveying shaft to rotate; the steering plate is arranged in the gap of the conveying shaft, the steering motor is arranged below the conveying shaft, and the output shaft of the steering motor is driven to cooperate with the steering plate; the lifting electric push rod is arranged below the steering motor and fixedly connected to the conveying frame, and the lifting end of the lifting electric push rod is fixedly connected to the steering motor; the guide rod is fixedly connected to the conveying frame, and the steering motor is slidably matched with the guide rod; the second horizontal steering mechanism has the same structure as the first horizontal steering mechanism.

8. The pre-palletizing and loading device according to claim 6, characterized in that: The flipping mechanism includes a belt conveyor mechanism, a flipping shaft, an L-shaped plate and a flipping motor. The flipping shaft is rotatably connected to the belt conveyor mechanism and its length direction is perpendicular to the conveying direction of the belt conveyor mechanism. The L-shaped plate is fixedly connected to the flipping shaft and is arranged in the belt gap of the belt conveyor mechanism. The flipping motor is installed on the belt conveyor mechanism, and the output shaft of the flipping motor is driven to cooperate with the flipping shaft.

9. The pre-palletizing and loading device according to claim 6, characterized in that: The stack shape adjustment mechanism also includes a third conveying mechanism, the end of the third conveying mechanism is connected to the starting end of the fourth conveying mechanism; the fourth conveying mechanism, the first horizontal steering mechanism, the flipping mechanism and the second horizontal steering mechanism are each provided with two groups, the third conveying mechanism runs bidirectionally from the middle to both ends and the two ends are respectively connected to the starting ends of the two groups of fourth conveying mechanisms, the fifth conveying mechanism runs bidirectionally from both ends to the middle and the two ends are respectively connected to the two groups of second horizontal steering mechanisms.

10. The pre-palletizing and loading device according to claim 9, characterized in that: The fourth conveying mechanism and the fifth conveying mechanism both use roller conveyors, and the starting end of the fourth conveying mechanism and the starting end and the end of the fifth conveying mechanism are both provided with lifting conveyor belts which pass through their own rollers and whose conveying direction is perpendicular to their own conveying direction.

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