A pre-stacking and loading device

Abstract

The application discloses a pre-piling loading device, and relates to the field of loading, which 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, the adjusting mechanism is used for adjusting 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 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 pushing plate, a fourth driving mechanism and a supporting plate. The application has the advantages that a row of goods can be pushed into a layer of goods shelves as a whole each time, thereby achieving layered loading; the loading mechanism can simultaneously load when the piling adjusting mechanism piles, and the working efficiency is high; the loading mechanism can conveniently and quickly align the container, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of loading, in particular to a pre-stacking loading device. BACKGROUND

[0002] After the goods come down from the production line, the truck container is generally re-stacked according to its size during loading, so that the length, width and height of the stack can maximize the use of the internal space of the container, and the stacked stack is loaded by the loading device. For example, the patent document with publication number CN113651138A discloses a container intelligent rapid loading machine, which comprises a liftable loading platform, a goods pushing device and a platform moving device. The goods pushing device can push the stacked goods 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: during loading, the roller conveyor occupies the bottom space of the container, and after loading, a large gap is left between the top of the box body and the container, which wastes space. For glass bricks and other truck containers with multiple layers of shelves above and below, the space reserved for each layer is small, and the existing loading device cannot complete the layered loading; the goods pushing device needs to stop and wait for the stacking before pushing the goods for loading, which cannot simultaneously stack and load, and the work efficiency is low; it is difficult to align the container, and manual adjustment is required, which is low in work efficiency. SUMMARY

[0004] The technical problem to be solved by the present application is how to push a row of goods into a layer of shelves as a whole each time to realize layered loading, and make the loading device conveniently and quickly align with the container.

[0005] The present application solves the above technical problems by the following technical means: a pre-stacking loading device, comprising an alignment mechanism and a loading mechanism, the alignment mechanism comprising a laser radar, a bottom plate, an adjusting mechanism and a mounting plate, the laser radar being used for scanning the position of the container, the adjusting mechanism being used for adjusting the rotation and translation of the mounting plate relative to the bottom plate, and the loading mechanism being installed on the mounting plate.

[0006] The loading mechanism comprises 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 supporting plate; the upper end of the first conveying mechanism is rotationally 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 rotationally 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 stretch and contract along the conveying direction of the second conveying mechanism; the supporting plate is movably arranged below the push plate, and the fourth driving mechanism is used to drive the supporting plate to stretch and contract along the conveying direction of the second conveying mechanism.

[0007] As an optimized technical solution, the second driving mechanism comprises a rotary motor, a driving shaft, a transmission gear and a rotating rod; the rotary motor is fixedly connected to the frame of the first conveying mechanism, the output shaft of the rotary motor is drivingly connected to one end of the driving shaft, and the other end of the driving shaft is rotationally 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 a tooth and is engaged 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 comprises a first connecting plate, a second connecting plate, a pushing motor, a lead screw, a connecting frame, a guide rail and a sliding block, the first connecting plate and the second connecting plate are arranged at intervals along the conveying direction 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 drivingly connected to one end of the lead screw, the other end of the lead screw is rotationally connected to the second connecting plate, the connecting frame is threadedly connected to the lead screw and is fixedly connected to the push plate, the guide rail is fixedly connected to the rotating rod, and the connecting frame is slidingly connected to the guide rail through the sliding block.

[0009] The fourth driving mechanism is the same in structure as the third driving mechanism, and the connecting mode of the supporting plate and the fourth driving mechanism is the same as the connecting mode of the push plate and the third driving mechanism.

[0010] As the optimized technical scheme, the adjusting mechanism comprises left-right translation rails, front-rear translation rails, rotating shafts, rotating seats, left-right pushing mechanisms and front-rear pushing mechanisms; the left-right translation rails are provided in two groups at intervals in the front-rear direction and are fixedly connected to the bottom plate, rotating seats are slidably connected to the two groups of left-right translation rails respectively, and the front side and the middle position of the front-rear translation rails are rotationally connected to the corresponding rotating seats through rotating shafts; the left-right pushing mechanisms are provided in two groups, and the two groups of left-right pushing mechanisms are fixedly connected to the bottom plate, the extension end of the first group of left-right pushing mechanisms is rotationally connected to the rotating seat on the front side, and the extension end of the second group of left-right pushing mechanisms is rotationally connected to the middle position of the front-rear translation rails; the front-rear pushing mechanism is used for pushing the mounting plate to move forward and backward along the front-rear translation rails.

[0011] As the optimized technical scheme, the adjusting mechanism further comprises moving wheels, a plurality of groups of moving wheels are installed on the front-rear translation rails at intervals in the front-rear direction, and the moving wheels are in contact with the bottom plate.

[0012] As the optimized technical scheme, the pre-piling and loading device further comprises a carrying mechanism and a pile shape adjusting mechanism, the carrying mechanism is used for carrying a whole pile of goods to the pile shape adjusting mechanism, and the pile shape adjusting mechanism is used for adjusting the pile shape of the goods; the carrying mechanism and the loading mechanism are both installed on the mounting plate.

[0013] The pile shape adjusting mechanism comprises a fourth conveying mechanism, a first horizontal turning mechanism, a turnover mechanism, a second horizontal turning mechanism and a fifth conveying mechanism, and the first horizontal turning mechanism, the turnover mechanism and the second horizontal turning mechanism are sequentially arranged between the end of the fourth conveying mechanism and the starting end of the fifth conveying mechanism.

[0014] As the optimized technical scheme, the first horizontal turning mechanism comprises a conveying frame, conveying shafts, a conveying motor, a turning plate, a turning motor, an electric lifting push rod and a guide rod; a plurality of conveying shafts are installed on the conveying frame in parallel in the conveying direction, and the conveying motor is used for driving the conveying shafts to rotate; the turning plate is arranged in the gap between the conveying shafts, the turning motor is arranged below the conveying shafts, and the output shaft of the turning motor is drivingly connected to the turning plate; the electric lifting push rod is arranged below the turning motor and is fixedly connected to the conveying frame, and the lifting end of the electric lifting push rod is fixedly connected to the turning motor; the guide rod is fixedly connected to the conveying frame, and the turning motor is slidably connected to the guide rod; and the second horizontal turning mechanism is the same in structure as the first horizontal turning mechanism.

[0015] As the optimized technical scheme, the turnover mechanism comprises a belt conveying mechanism, a turnover shaft, an L-shaped plate and a turnover motor, the turnover shaft is rotationally connected to the belt conveying mechanism and the length direction of the turnover shaft is perpendicular to the conveying direction of the belt conveying mechanism, the L-shaped plate is fixedly connected to the turnover shaft and arranged in the belt gap of the belt conveying mechanism, and the turnover motor is installed on the belt conveying mechanism and the output shaft of the turnover motor is drivingly connected to the turnover shaft.

[0016] As the optimized technical scheme, the pile shape adjusting mechanism further comprises a third conveying mechanism, the end of the third conveying mechanism is connected to the start of the fourth conveying mechanism, the fourth conveying mechanism, the first horizontal turning mechanism, the turnover mechanism and the second horizontal turning mechanism are provided with two groups, the third conveying mechanism is bidirectionally operated from the middle to the two ends and the two ends are connected to the start of the two groups of fourth conveying mechanisms respectively, and the fifth conveying mechanism is bidirectionally operated from the two ends to the middle and the two ends are connected to the two groups of second horizontal turning mechanisms respectively.

[0017] As the optimized technical scheme, the fourth conveying mechanism and the fifth conveying mechanism are both drum conveyors, the start of the fourth conveying mechanism and the start and the end of the fifth conveying mechanism are provided with lifting conveying belts which are arranged between the drums and the conveying direction of the lifting conveying belts is perpendicular to the conveying direction of the drums.

[0018] The present application has the advantages of:

[0019] 1. One row of goods can be pushed into one layer of the goods shelf as a whole each time to realize layer-by-layer loading.

[0020] 2. The loading mechanism can simultaneously load when the pile shape adjusting mechanism is stacking, and the working efficiency is high.

[0021] 3. The loading mechanism can conveniently and quickly align the containers, and the working efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structure schematic view of the pre-stacking and loading device of the embodiment of the present application.

[0023] Figure 2 It is a structure schematic view of the alignment mechanism of the embodiment of the present application.

[0024] Figure 3 It is a structure schematic view of the adjusting mechanism of the embodiment of the present application.

[0025] Figure 4 It is a structure schematic view of the front and rear pushing mechanisms of the embodiment of the present application.

[0026] Figure 5 It is a structure schematic view of the pile shape adjusting mechanism of the embodiment of the present application.

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

[0028] Figure 7 This is a schematic diagram of the flipping mechanism according to an embodiment of the present invention.

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

[0030] Figure 9 This is a schematic diagram of the structure of the second, third, and fourth driving mechanisms according to an embodiment of the present invention. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.

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

[0033] The handling mechanism 1 uses a multi-axis robot. The handling mechanism 1 is used to transport the stack of goods 5 coming off the production line to the stacking adjustment mechanism 3. The stacking adjustment mechanism 3 is used to adjust the goods 5 to a stacking shape that is compatible with the first layer of the shelf.

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

[0035] The lidar is used to scan the position of the container, and the adjustment mechanism is used to adjust the rotation and translation of the mounting plate 29 relative to the base plate 21. The stacking adjustment mechanism 3 and the loading mechanism 4 are both mounted on the mounting plate 29.

[0036] The left and right translation rails 22 are arranged in pairs at intervals in front and back of the bottom plate 21 and are fixedly connected to the bottom plate 21, respectively. The rotating seats 25 are slidably connected to the left and right translation rails 22, respectively. The front side and the middle position of the front and back translation rail 23 are rotationally connected to the corresponding rotating seats 25 through the rotating shafts 24. A plurality of groups of moving wheels 26 are installed at intervals on the front and back translation rail 23 in the front and back direction, and the moving wheels 26 are in contact with the bottom plate 21. The left and right pushing mechanisms 27 are electric push rods. The left and right pushing mechanisms 27 are arranged in pairs, and both of the left and right pushing mechanisms 27 are fixedly connected to the bottom plate 21. The first group of left and right pushing mechanisms 27 is rotationally connected to the rotating seat 25 on the front side, and the second group of left and right pushing mechanisms 27 is rotationally connected to the middle position of the front and back translation rail 23. The length of the extension of the two groups of left and right pushing mechanisms 27 can be controlled to rotate or translate the mounting plate 29 relative to the bottom plate 21.

[0037] The front and back pushing mechanism 28 is used to push the mounting plate 29 to translate along the front and back translation rail 23. The front and back pushing mechanism 28 includes a translation motor 281, a speed reducer 282, a shaft 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. The output shaft of the translation motor 281 is connected to the input end of the speed reducer 282. The left and right output ends of the speed reducer 282 are connected to the moving shafts 284 through the shaft couplings 283, respectively. The outer ends of the moving shafts 284 are fixedly connected to the moving gears 285. The top sides of the front and back translation rail 23 are fixedly connected to racks extending in the front and back direction, respectively. The two moving gears 285 are engaged with the two racks, respectively. The translation motor 281 drives the left and right moving gears 285 to rotate through the speed reducer 282, so that the mounting plate 29 can translate along the front and back pushing mechanism 28.

[0038] The stack adjusting mechanism 3 includes a third conveying mechanism 31, a fourth conveying mechanism 32, a first horizontal turning mechanism 33, a turnover mechanism 34, a second horizontal turning mechanism 35, and a fifth conveying mechanism 36. The end of the third conveying mechanism 31 is connected to the start of the fourth conveying mechanism 32. The first horizontal turning mechanism 33, the turnover mechanism 34, and the second horizontal turning mechanism 35 are sequentially arranged between the end of the fourth conveying mechanism 32 and the start 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 start of the fourth conveying mechanism 32 and the start and end of the fifth conveying mechanism 36 are provided with lifting conveying belts passing through the rollers and having a conveying direction perpendicular to the conveying direction of the rollers. The lifting conveying belt is a common device in the art and is used to connect goods.

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

[0040] The first horizontal turning mechanism 33 comprises a conveying frame 331, conveying shafts 332, a conveying motor (not shown in the figure), a turning plate 333, a turning motor 334, a lifting electric push rod 335 and a guide rod 336; a plurality of conveying shafts 332 are installed parallel to each other in the conveying direction on the conveying frame 331, and the conveying motor is used to drive the conveying shafts 332 to rotate; the turning plate 333 is arranged in the gap of the conveying shafts 332, the turning motor 334 is arranged below the conveying shafts 332, and the output shaft of the turning motor 334 drives the turning plate 333; the lifting electric push rod 335 is arranged below the turning motor 334 and is fixedly connected to the conveying frame 331, and the lifting end of the lifting electric push rod 335 is fixedly connected to the turning motor 334; the guide rod 336 is fixedly connected to the conveying frame 331, and the turning motor 334 is in sliding cooperation with the guide rod 336; the stack shape of the goods carried to the stack adjusting mechanism 3 is fixed, and according to the set program, when a certain goods in sequence conveyed to the first horizontal turning mechanism 33 needs to be horizontally turned, the lifting electric push rod 335 first drives the turning plate 333 to rise and lift the goods, and then the turning motor 334 drives the turning plate 333 to rotate, thereby realizing the horizontal turning of the goods; after the turning is completed, the lifting electric push rod 335 drives the turning plate 333 to descend, so that the goods return to the conveying shafts 332 for continuous conveying.

[0041] The turnover mechanism 34 comprises a belt conveying mechanism 341, a turnover shaft 342, an L-shaped plate 343 and a turnover motor (not shown in the figure); the turnover shaft 342 is rotationally connected to the belt conveying mechanism 341 and is perpendicular to the conveying direction of the belt conveying mechanism 341 in the length direction, and the L-shaped plate 343 is fixedly connected to the turnover shaft 342 and is arranged in the belt gap of the belt conveying mechanism 341; the turnover motor is installed on the belt conveying mechanism 341, and the output shaft of the turnover motor drives the turnover shaft 342; when the goods do not need to be turned over, the L-shaped plate 343 is rotated to be located below the belt of the belt conveying mechanism 341 as a whole, so that the goods can pass directly without turning over; when the goods need to be turned over, the L-shaped plate 343 is first arranged with one part below the belt of the belt conveying mechanism 341 near the starting end and the other part standing above the middle position of the belt of the belt conveying mechanism 341, and when the goods are conveyed to contact the standing part of the L-shaped plate 343, the L-shaped plate 343 is rotated to make the originally standing part located below the belt of the belt conveying mechanism 341 near the end, thereby turning over the direction of the goods.

[0042] The second horizontal turning mechanism 35 is the same structure as the first horizontal turning mechanism 33, the first horizontal turning mechanism 33 is used for horizontally turning the goods to be turned to the direction of the adapting turning mechanism 34 before turning, and the second horizontal turning mechanism 35 is used for horizontally turning the goods after being turned by the turning mechanism 34. The first horizontal turning mechanism 33, the turning mechanism 34 and the second horizontal turning mechanism 35 are used in cooperation to realize that the goods are arranged in a row in multiple directions to adapt to different specifications of shelves.

[0043] The pile-shaped adjusting mechanism 3 further comprises a camera and a rejection mechanism, the camera is arranged above the second horizontal turning mechanism 35, and the rejection mechanism is used for rejecting the goods with unqualified direction.

[0044] The loading mechanism 4 comprises 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 supporting plate 49; the first conveying mechanism 43 and the second conveying mechanism 45 are both belt conveyors; the upper end of the first conveying mechanism 43 is rotationally connected to the upper end of the support frame 41, and the first driving mechanism 42 is used for driving the first conveying mechanism 43 to rotate up and down; the upper end of the second conveying mechanism 45 is rotationally connected to the lower end of the first conveying mechanism 43, and the second driving mechanism 44 is used for driving 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 for driving the push plate 47 to stretch and retract along the conveying direction of the second conveying mechanism 45; the supporting plate 49 is movably arranged below the push plate 47, and the fourth driving mechanism 48 is used for driving the supporting plate 49 to stretch 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 the electric push rod is rotationally connected to the lower end of the support frame 41, and the other end of the electric push rod is rotationally connected to the middle position of the bottom of the first conveying mechanism 43.

[0046] The second driving mechanism 44 comprises a rotary motor 441, a driving shaft 442, a transmission gear 443 and a rotating rod 444; the rotary motor 441 is fixedly connected to the frame of the first conveying mechanism 43, the output shaft of the rotary motor 441 drives one end of the driving shaft 442, and the other end of the driving shaft 442 is rotationally 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 fixedly connected to the outer periphery of the driving shaft 442, respectively; 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 a tooth and is engaged with the corresponding transmission gear 443, and the two ends of the rotating rod 444 are fixedly connected to the two ends of the second conveying mechanism 45 along the conveying direction, respectively.

[0047] The third driving mechanism 46 comprises a first connecting plate, a second connecting plate, a pushing motor, a screw rod, a connecting frame, a guide rail and a sliding block, the first connecting plate and the second connecting plate are arranged at intervals along the conveying direction of the second conveying mechanism 45 and are fixedly connected with the rotating rod 444 respectively, the pushing motor is fixedly connected with the first connecting plate, the output shaft of the pushing motor is drivingly connected with one end of the screw rod, the other end of the screw rod is rotationally connected with the second connecting plate, the connecting frame is threadedly connected with the screw rod and is fixedly connected with the pushing plate 47, the guide rail is fixedly connected with the rotating rod 444, and the connecting frame is slidingly connected with the guide rail through the sliding block.

[0048] The fourth driving mechanism 48 is the same in structure as the third driving mechanism 46, and the connecting mode of the supporting plate 49 with the fourth driving mechanism 48 is also the same as the connecting mode of the pushing plate 47 with the third driving mechanism 46.

[0049] Working principle: the laser radar scans the position of the container first, calculates the position of the center line of the container, then adjusts the mounting plate 29 relative to the bottom plate 21 in rotation and translation through the adjusting mechanism, 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 below the partition plate corresponding to the lowermost layer of the shelf, at the same time, the second driving mechanism 44 drives the second conveying mechanism 45 to rotate to the horizontal state, and the fourth driving mechanism 48 drives the supporting plate 49 to extend to the inner bottom surface of the lowermost layer of the shelf; after the pile-shaped adjusting mechanism 3 adjusts the goods 5 into a pile shape suitable for one layer of the shelf, the lifting conveying belt at the tail end of the fifth conveying mechanism 36 lifts a row of goods as a whole to the first conveying mechanism 43, and the goods are sequentially conveyed to the supporting plate 49 through the first conveying mechanism 43 and the second conveying mechanism 45; then the third driving mechanism 46 drives the pushing plate 47 to extend to push a row of goods as a whole into the lowermost layer of the shelf, at this time, the pushing plate 47 abuts against the goods, and the fourth driving mechanism 48 drives the supporting plate 49 to retract; then the first driving mechanism 42 drives the first conveying mechanism 43 to rotate to below the partition plate corresponding to the second layer from bottom to top of the shelf, and a row of goods as a whole is pushed into the second layer from bottom to top of the shelf according to the above method, and so on until the shelf is filled; only the supporting plate 49 occupies the space of one layer of plate at the bottom of the goods during loading, and a row of goods as a whole can be pushed into one layer of the shelf each time, so that the goods are loaded in layers; the loading mechanism 4 can simultaneously load the goods when the pile-shaped adjusting 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 application, but not limit the same; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A pre-palletizing and loading device, characterized in that: It includes an alignment mechanism and a loading mechanism. The alignment mechanism includes a lidar, a base plate, an adjustment mechanism, and a mounting plate. The lidar 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 base plate. The loading mechanism is mounted on the mounting plate. The loading mechanism includes a support frame, a first drive mechanism, a first conveying mechanism, a second drive mechanism, a third drive mechanism, a push plate, a fourth drive mechanism, and a pallet. The upper end of the first conveying mechanism is rotatably connected to the upper end of the support frame, and the first drive 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 drive mechanism is used to drive the second conveying mechanism to rotate up and down. The push plate is movably disposed below the second conveying mechanism, and the third drive mechanism is used to drive the push plate to extend and retract along the conveying direction of the second conveying mechanism. The pallet is movably disposed below the push plate, and the fourth drive mechanism is used to drive the pallet to extend and retract along the conveying direction of the second conveying mechanism.

2. The pre-palletizing and loading device according to claim 1, characterized in that: The second drive mechanism includes a rotary motor, a drive shaft, a transmission gear, and a rotating rod; The rotary motor is fixedly connected to the frame of the first conveying mechanism, the output shaft of the rotary motor is driven to one end of the drive shaft, and the other end of the drive shaft is rotatably connected to the frame of the first conveying mechanism. The transmission gear is fixedly connected to the outer circumference of the drive 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 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, characterized in that: The third driving mechanism includes a first connecting plate, a second connecting plate, a push motor, a lead screw, a connecting frame, a guide rail, and a slider. The first connecting plate and the second connecting plate are spaced apart along the conveying direction of the second conveying mechanism and are respectively fixedly connected to the rotating rod. The push motor is fixedly connected to the first connecting plate. The output shaft of the push motor drives one end of the lead screw, and the other end of the lead screw is rotatably connected to the second connecting plate. The connecting frame is threadedly connected to the lead screw and fixedly connected to the push plate. The guide rail is fixedly connected to the rotating rod, and the connecting frame slides with the guide rail through the slider. The fourth drive mechanism has the same structure as the third drive mechanism, and the connection method between the pallet and the fourth drive mechanism is also the same as the connection method between the push plate and the third drive mechanism.

4. The pre-palletizing and loading device according to claim 1, characterized in that: The adjustment mechanism includes left-right translation tracks, front-back translation tracks, a rotating shaft, a rotating seat, a left-right pushing mechanism, and a front-back pushing mechanism. Two sets of left-right translation tracks are spaced apart and fixedly connected to the base plate. Rotating seats are slidably connected to each of the two sets of left-right translation tracks. The front and middle positions of the front-back translation tracks are rotatably connected to the corresponding rotating seats via rotating shafts. Two sets of left-right pushing mechanisms are provided, both fixedly connected to the base plate. The telescopic end of the first set of left-right pushing mechanisms is rotatably connected to the front rotating seat, and the telescopic end of the second set of left-right pushing mechanisms is rotatably connected to the middle position of the front-back translation tracks. The front-back pushing mechanism is used to push the mounting plate to move back and forth along the front-back translation tracks.

5. The pre-palletizing and loading device according to claim 4, characterized in that: The adjustment mechanism also includes movable wheels. Multiple sets of movable wheels are installed at intervals along the front-back direction on the front-back translation track, and the movable wheels are in contact with the base plate.

6. The pre-palletizing and loading device according to claim 1, characterized in that: The pre-palletizing and loading device also includes a handling mechanism and a stacking shape adjustment mechanism. The handling mechanism is used to handle the entire stack of goods onto the stacking shape adjustment mechanism, and the stacking shape adjustment mechanism is used to adjust the stacking shape of the goods. Both the handling mechanism and the loading mechanism are mounted on the mounting plate. The stacking adjustment mechanism includes a fourth conveying mechanism, a first horizontal turning mechanism, a flipping mechanism, a second horizontal turning mechanism, and a fifth conveying mechanism. The first horizontal turning mechanism, the flipping mechanism, and the second horizontal turning mechanism are sequentially arranged between the end of the fourth conveying mechanism and the beginning 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. Multiple conveying shafts are installed parallel to each other on the conveying frame along the conveying direction. The conveying motor drives the conveying shafts to rotate. The steering plate is disposed in the gap between the conveying shafts. The steering motor is disposed below the conveying shafts, and its output shaft drives the steering plate. The lifting electric push rod is disposed below the steering motor and fixedly connected to the conveying frame. 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 slides in cooperation 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, a flipping shaft, an L-shaped plate, and a flipping motor. The flipping shaft is rotatably connected to the belt conveyor and its length direction is perpendicular to the conveying direction of the belt conveyor. The L-shaped plate is fixedly connected to the flipping shaft and is disposed in the belt gap of the belt conveyor. The flipping motor is mounted on the belt conveyor, and the output shaft of the flipping motor drives the flipping shaft.

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

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

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