A palletizing machine and palletizing method based on packaging boxes

Abstract

The invention relates to the field of palletizing technology, and discloses a palletizer based on packaging boxes and a palletizing method, which solves the problem that the application scope of a palletizer of a single specification for grabbing packaging boxes is small. The palletizer comprises a base, a bearing seat for carrying a pallet is provided above the base, a horizontal position adjustment component for adjusting the horizontal position of the bearing seat is installed on the base, a support frame is provided above the bearing seat, a rotation structure for driving the support frame to rotate is installed on the base, a lifting frame and a fixed seat are provided below the support frame, at least one first hydraulic telescopic rod is fixedly installed on the support frame, the telescopic end of the first hydraulic telescopic rod is fixedly connected to the top of the lifting frame, and the lifting frame is installed with a tilter for driving the fixed seat to tilt; it is convenient to grab large-volume packaging boxes, the packaging boxes will not be deformed by grabbing, the possibility of damage to objects inside the packaging boxes is reduced, the application scope is improved, and the packaging boxes are convenient to stack.

Description

Technical Field

[0001] The invention belongs to the technical field of palletizing, and in particular relates to a palletizing machine and a palletizing method based on packaging boxes. Background Art

[0002] The palletizer is used to stack the boxes loaded into the container on the pallet and tray in a certain arrangement, and automatically stack them in multiple layers, so that the forklift can be transported to the warehouse for storage. However, it is worth considering that the existing palletizer generally uses a suction cup to suck the boxes or a clamp to clamp the boxes to achieve stacking;

[0003] Among them, the limitation of the suction cup is that it is only suitable for small-volume packaging boxes and cannot suck large-volume packaging boxes. The limitation of the clamp is that when clamping the front and back sides of the packaging box, the force is too great, which will cause the packaging box to deform inward. In severe cases, it may even damage the internal objects of the packaging box, making it difficult for the palletizer to meet the needs of the modern packaging box field. The application scope of a single specification of palletizer for grabbing packaging boxes is small, and it is not convenient to promote and use.

[0004] Therefore, in order to solve the above problems, a related facility that better meets the usage requirements is needed. Summary of the invention

[0005] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a palletizer based on packaging boxes and a palletizing method, which effectively solves the problem that the application range of the palletizer of a single specification in the above background technology for grabbing packaging boxes is small.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a palletizer based on packaging boxes, comprising a base, a bearing seat for bearing a pallet is provided above the base, a horizontal position adjustment component for adjusting the horizontal position of the bearing seat is installed on the base, a support frame is provided above the bearing seat, a self-rotation structure for driving the support frame to rotate is installed on the base, a lifting frame and a fixed seat are provided below the support frame, at least one first hydraulic telescopic rod is fixedly installed on the support frame, the telescopic end of the first hydraulic telescopic rod is fixedly connected to the top of the lifting frame, and the lifting frame is installed with a tilter for driving the fixed seat to tilt;

[0007] A plurality of conveying rollers for conveying packaging boxes are arranged above the base, and a driving mechanism for driving the plurality of conveying rollers to rotate is installed on the base, a pallet is arranged between two adjacent conveying rollers, half of the length of the packaging box is greater than the length of the pallet, and the pallet is fixedly connected to a fixed seat, a stop plate is fixedly connected to a side of the fixed seat away from the lifting frame, and a correction pushing structure for correcting the position of the packaging box is installed on a side of the fixed seat away from the lifting frame.

[0008] Preferably, the correction pushing structure includes a movable box arranged on a side of the fixed seat away from the lifting frame, the movable box has first side plates symmetrically provided on both sides, the first side plate is fixedly connected to the fixed seat, a first guide groove is provided on the first side plate facing the movable box, a first guide block is provided in the first guide groove, and the first guide block is fixedly connected to the movable box, a first rotating shaft is rotatably connected in the movable box, a plurality of correction plates are fixedly installed on the first rotating shaft, and a plurality of avoidance holes matched with the correction plates are provided on the movable box, a plurality of first stop blocks and second stop blocks respectively matched with the correction plates are fixedly connected in the movable box, a plurality of first gears are provided on the external fixed sleeve of the first rotating shaft, a first damping plate and a second damping plate are provided below the first gear, a first tooth plate meshing with the first gear is fixedly connected to the top of the first damping plate, the bottom of the first damping plate is in contact with the top of the second damping plate, a translator for driving the second damping plate to move is installed on the first side plate, and the first tooth plate, the first damping plate and the second damping plate respectively pass through the movable box, and a guide member matched with the first tooth plate is installed in the movable box.

[0009] Preferably, the translator includes an adjustment frame arranged on the side of the movable box facing the fixed seat, a first mounting plate is fixedly installed on the first side plate, a second hydraulic telescopic rod is fixedly installed on the first mounting plate, and the telescopic end of the second hydraulic telescopic rod is fixedly connected to the adjustment frame, a plurality of second guide grooves are opened on the side of the adjustment frame facing the movable box, and the number of the second guide grooves and the second damping plate is the same, a second guide block is fixedly connected to one end of the second damping plate facing the adjustment frame, and the second guide block is located in the corresponding second guide groove, and the movable box is installed with a pressure controller for applying pressure to the second damping plate.

[0010] Preferably, the pressure controller includes a pressing frame arranged below the second damping plate, the bottom of the second damping plate is in contact with the pressing frame, and lifting plates are symmetrically provided on both sides of the pressing frame, and at least one guide column is fixedly connected to the top of the lifting plate, and the top of the guide column passes through the pressing frame, and a compression spring is sleeved on the outside of the guide column, and the two ends of the compression spring are respectively abutted against the pressing frame and the lifting plate, and a plurality of third hydraulic telescopic rods adapted to the lifting plates are fixedly connected to the bottom of the movable box, and the telescopic ends of the third hydraulic telescopic rods are fixedly connected to the corresponding lifting plates.

[0011] Preferably, the guide member includes a second side plate symmetrically arranged on both sides of the first tooth plate, the second side plate is fixedly connected to the inner wall of the movable box, and a third guide groove is symmetrically opened on both sides of the first tooth plate. A guide bar is provided in the third guide groove, and the guide bar is fixedly connected to the corresponding second side plate.

[0012] Preferably, the inclinator includes a second rotating shaft rotatably mounted on the lifting frame, the second rotating shaft and the fixed seat are fixedly connected by a supporting part, a supporting plate is provided on a side of the lifting frame away from the fixed seat, at least a rectangular hole is opened on the supporting plate, a guide plate is fixedly connected in the rectangular hole, a sliding block is sleeved on the outside of the guide plate, and the sliding block is fixedly connected to the lifting frame, a rubber ring is fixedly connected to the bottom inner wall of the rectangular hole, and the top of the rubber ring is in contact with the bottom of the sliding block, at least a second gear is fixedly sleeved on the outside of the second rotating shaft, at least a second tooth plate is fixedly connected to the side of the support plate facing the second rotating shaft, and the second gear is meshed with the corresponding second tooth plate, and the support plate is installed with a magnetic fixing member adapted to the lifting frame.

[0013] Preferably, the magnetic fixing member includes at least one electromagnet fixedly mounted on the support plate, and the electromagnet is located above the lifting frame, and an iron plate is provided below the electromagnet, and the iron plate is fixedly connected to the lifting frame.

[0014] Preferably, the self-rotating structure includes a third rotating shaft fixedly installed at the bottom of the support frame, the bottom end of the third rotating shaft is rotatably connected to the base, the external fixed sleeve of the third rotating shaft is provided with a third gear, the top of the base is fixedly connected to a first motor, and the output end of the first motor is fixedly connected to a fourth gear meshing with the third gear.

[0015] Preferably, the horizontal position adjustment assembly includes a movable frame arranged between the base and the bearing seat, at least one second mounting plate is fixedly connected to the top of the base, a fourth hydraulic telescopic rod is fixedly mounted on the second mounting plate, the telescopic end of the fourth hydraulic telescopic rod is fixedly connected to the movable frame, at least four rollers are fixedly connected to the movable frame, and the rollers are in contact with the top of the base, a fourth rotating shaft is rotatably connected to the movable frame, the top end of the fourth rotating shaft is fixedly connected to the bottom of the bearing seat, a worm gear is provided on the outer fixed sleeve of the fourth rotating shaft, a second motor is fixedly mounted on the movable frame, and a worm gear meshing with the worm gear is fixedly connected to the output end of the second motor.

[0016] The present invention also provides a palletizing method based on packaging boxes, using the above-mentioned palletizing machine based on packaging boxes, comprising the following steps:

[0017] Step 1: A plurality of conveying rollers are driven to rotate by a driving mechanism, and the conveying rollers convey the packaging box to one side of a fixed seat, and the position of the packaging box is limited by a stop plate, so that the packaging box moves to a preset position and stops;

[0018] Step 2: When a preset number of packaging boxes are moved to one side of the fixed seat, the packaging boxes are pushed toward the fixed seat by the correction pushing structure so that a plurality of packaging boxes in each group are in contact with the fixed seat;

[0019] Step 3: The lifting frame, the fixed seat and the pallet are driven to move upward by the first hydraulic telescopic rod, the pallet lifts the packaging box and moves upward, and the inclinator on the lifting frame drives the fixed seat, the pallet and the packaging box to tilt, so that the fixed seat and the pallet jointly support the packaging box;

[0020] Step 4: The support frame is driven to rotate by the self-rotation structure so that the fixed seat moves to the top of the pallet, and the lifting frame and the fixed seat are driven to descend to a preset height by the first hydraulic telescopic rod, the correction pushing structure releases the limitation on the position of the packaging box, and the inclinator drives the fixed seat and the pallet to rotate in the opposite direction to the initial position;

[0021] Step 5: The packaging box tilts due to its own gravity, and the end of the packaging box away from the fixed seat contacts the pallet. The horizontal position adjustment component drives the support seat and the pallet to move horizontally. The packaging box moves synchronously with the pallet. Finally, the packaging box slides off the pallet and is stacked on the pallet.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] The packing box is pushed toward the fixed seat by the correction pushing structure, so that several packing boxes in each group are in contact with the fixed seat, and then the lifting frame, the fixed seat and the pallet are driven to move up by the first hydraulic telescopic rod, the pallet lifts the packing box to move up, and the inclinator on the lifting frame drives the fixed seat, the pallet and the packing box to tilt, so that the fixed seat and the pallet jointly support the packing box, thereby changing the way of grabbing the packing box, facilitating the grabbing of large-volume packing boxes, preventing the packing box from being deformed by grabbing, reducing the possibility of damage to the objects inside the packing box, increasing the scope of application, and facilitating the stacking of the packing boxes. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0025] In the attached picture:

[0026] Figure 1 It is one of the structural schematic diagrams of the whole invention;

[0027] Figure 2 The second schematic diagram of the overall structure of the present invention;

[0028] Figure 3 It is a structural schematic diagram of the fixing seat of the present invention;

[0029] Figure 4 It is a structural schematic diagram of the tilting device of the present invention;

[0030] Figure 5 It is a structural schematic diagram of the support plate of the present invention;

[0031] Figure 6 It is a structural schematic diagram of the horizontal position adjustment assembly of the present invention;

[0032] Figure 7 It is a structural schematic diagram of the movable box of the present invention;

[0033] Figure 8 It is a schematic structural diagram of a cutaway movable box of the present invention;

[0034] Fig. 9 It is a structural schematic diagram of the adjustment frame of the present invention;

[0035] Fig.10 It is a structural schematic diagram of the pressure controller of the present invention;

[0036] Fig.11 It is a schematic structural diagram of the first rotating shaft of the present invention.

[0037] In the figure: 1, base; 2, bearing seat; 3, support frame; 4, lifting frame; 5, first hydraulic telescopic rod; 6, fixed seat; 7, conveying roller; 8, support plate; 9, stop plate; 10, pallet; 11, packaging box; 12, movable box; 13, first side plate; 14, first guide groove; 15, first guide block; 16, first rotating shaft; 17, correction plate; 18, avoidance hole; 19, first stop block; 20, second stop block; 21, first gear; 22, first gear plate; 23, first damping plate; 24, second damping plate; 25, adjustment frame; 26, second guide groove; 27, second guide block; 28, first mounting plate; 29, second hydraulic telescopic rod; 30, pressing Frame; 31, lifting plate; 32, guide column; 33, compression spring; 34, third hydraulic telescopic rod; 35, second side plate; 36, third guide groove; 37, guide strip; 38, second rotating shaft; 39, support part; 40, support plate; 41, rectangular hole; 42, guide plate; 43, slider; 44, rubber ring; 45, second gear; 46, second gear plate; 47, electromagnet; 48, iron plate; 49, third rotating shaft; 50, third gear; 51, first motor; 52, fourth gear; 53, fourth rotating shaft; 54, movable frame; 55, roller; 56, worm gear; 57, second motor; 58, worm; 59, second mounting plate; 60, fourth hydraulic telescopic rod. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0039] Embodiment 1, by Figure 1 , Figure 2 and Figure 3 The present invention comprises a base 1, a bearing seat 2 for bearing a tray 10 is provided above the base 1, a horizontal position adjustment component for adjusting the horizontal position of the bearing seat 2 is installed on the base 1, a support frame 3 is provided above the bearing seat 2, a self-rotation structure for driving the support frame 3 to rotate is installed on the base 1, a lifting frame 4 and a fixed seat 6 are provided below the support frame 3, at least one first hydraulic telescopic rod 5 is fixedly installed on the support frame 3, the telescopic end of the first hydraulic telescopic rod 5 is fixedly connected to the top of the lifting frame 4, and the lifting frame 4 is installed with a tilter for driving the fixed seat 6 to tilt;

[0040] A plurality of conveying rollers 7 for conveying packaging boxes 11 are arranged above the base 1, and a driving mechanism for driving the plurality of conveying rollers 7 to rotate is installed on the base 1. A pallet 8 is arranged between two adjacent conveying rollers 7, and half of the length of the packaging box 11 is greater than the length of the pallet 8, and the pallet 8 is fixedly connected to the fixed seat 6, and a stopper plate 9 is fixedly connected to the side of the fixed seat 6 away from the lifting frame 4, and a correction pushing structure for correcting the position of the packaging box 11 is installed on the side of the fixed seat 6 away from the lifting frame 4; the packaging box 11 is pushed toward the fixed seat 6 by the correction pushing structure, so that the plurality of All the packing boxes 11 are in contact with the fixed seat 6, and then the lifting frame 4, the fixed seat 6 and the pallet 8 are driven to move upward by the first hydraulic telescopic rod 5, the pallet 8 lifts the packing box 11 to move upward, and the inclinator on the lifting frame 4 drives the fixed seat 6, the pallet 8 and the packing box 11 to tilt, so that the fixed seat 6 and the pallet 8 can support the packing box 11 together, change the way of grabbing the packing box 11, facilitate the grabbing of large-volume packing boxes 11, will not deform the packing box 11 by grabbing, reduce the possibility of damage to the internal objects of the packing box 11, improve the scope of application, and facilitate the stacking of the packing box 11.

[0041] Embodiment 2, based on embodiment 1, Figure 1 , Figure 2 , Figure 3 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 and Fig.11It is given that the correction pushing structure includes a movable box 12 arranged on the side of the fixed seat 6 away from the lifting frame 4, and the first side plates 13 are symmetrically arranged on both sides of the movable box 12. The first side plates 13 are fixedly connected to the fixed seat 6, and a first guide groove 14 is opened on the side of the first side plate 13 facing the movable box 12. A first guide block 15 is arranged in the first guide groove 14, and the first guide block 15 is fixedly connected to the movable box 12. A first rotating shaft 16 is rotatably connected in the movable box 12, and a plurality of correction plates 17 are fixedly installed on the first rotating shaft 16, and a plurality of avoidance holes 18 adapted to the correction plates 17 are opened on the movable box 12. A plurality of first stop blocks 19 and second stop blocks 20 respectively adapted to the correction plates 17 are fixedly connected in the movable box 12, and the first rotating shaft 1 6 is provided with a plurality of first gears 21 on the outer fixed sleeve, a first damping plate 23 and a second damping plate 24 are provided below the first gear 21, a first toothed plate 22 meshing with the first gear 21 is fixedly connected to the top of the first damping plate 23, a bottom of the first damping plate 23 and a top of the second damping plate 24 are in contact, a translator for driving the second damping plate 24 to move is installed on the first side plate 13, and the first toothed plate 22, the first damping plate 23 and the second damping plate 24 respectively penetrate the movable box 12, the movable box 12 is provided with a guide member matched with the first toothed plate 22, the translator includes an adjustment frame 25 arranged on the side of the movable box 12 facing the fixed seat 6, a first mounting plate 28 is fixedly installed on the first side plate 13, and a first mounting plate 28 is fixedly installed on the first mounting plate 28 A second hydraulic telescopic rod 29 is installed, and the telescopic end of the second hydraulic telescopic rod 29 is fixedly connected to the adjustment frame 25. A plurality of second guide grooves 26 are opened on the side of the adjustment frame 25 facing the movable box 12, and the number of the second guide grooves 26 and the second damping plate 24 is the same. A second guide block 27 is fixedly connected to one end of the second damping plate 24 facing the adjustment frame 25, and the second guide block 27 is located in the corresponding second guide groove 26. The movable box 12 is equipped with a pressure controller for applying pressure to the second damping plate 24. The pressure controller includes a pressing frame 30 arranged below the second damping plate 24. The bottom of the second damping plate 24 is in contact with the pressing frame 30. Lifting plates 31 are symmetrically arranged on both sides of the pressing frame 30. The top of the lifting plate 31 is fixed. At least one guide column 32 is connected, the top of the guide column 32 passes through the pressing frame 30, and a compression spring 33 is sleeved on the outside of the guide column 32. The two ends of the compression spring 33 are respectively abutted against the pressing frame 30 and the lifting plate 31. The bottom of the movable box 12 is fixedly connected with a plurality of third hydraulic telescopic rods 34 adapted to the lifting plate 31, and the telescopic ends of the third hydraulic telescopic rods 34 are fixedly connected to the corresponding lifting plate 31. The guide member includes a second side plate 35 symmetrically arranged on both sides of the first tooth plate 22, and the second side plate 35 is fixedly connected to the inner wall of the movable box 12. Third guide grooves 36 are symmetrically opened on both sides of the first tooth plate 22, and a guide bar 37 is arranged in the third guide groove 36, and the guide bar 37 is fixedly connected to the corresponding second side plate 35;

[0042] The third hydraulic telescopic rod 34 drives the lifting plate 31 to move upward, and the guide column 32 slides relative to the pressing frame 30, changing the deformation degree of the compression spring 33, adjusting the pressure applied by the compression spring 33 to the pressing frame 30, and changing the pressure applied by the pressing frame 30 to the second damping plate 24, thereby adjusting the friction between the second damping plate 24 and the first damping plate 23. When it is necessary to push the packaging box 11 to contact the fixing seat 6 so that several packaging boxes 11 are aligned, the second hydraulic telescopic rod 29 drives the adjustment frame 25 to move, and the adjustment frame 25 drives the second damping plate 24 to move through the second guide block 27. The second damping plate 24 drives the first damping plate 23 and the first toothed plate 22 to move through the friction force, and the third guide The first tooth plate 22 slides relative to the guide bar 37 and the second side plate 35 in the groove 36. The second side plate 35, the third guide groove 36 and the guide bar 37 are designed to make the first tooth plate 22 slide smoothly. The first tooth plate 22 drives the first shaft 16 and the correction plate 17 to rotate through the first gear 21. When the correction plate 17 rotates ninety degrees, the correction plate 17 contacts the second stop block 20, and the correction plate 17 is in a state perpendicular to the horizontal plane. As the adjustment frame 25 continues to move, the second damping plate 24 drives the first damping plate 23, the first tooth plate 22, the first gear 21, the first shaft 16 and the movable box 12 to move synchronously in the horizontal direction through the friction force. The correction plate 17 moves toward the packaging box 11, and the movable box 12 drives The first guide block 15 is moved to slide in the first guide groove 14. When the correction plate 17 contacts the packaging box 11, the correction plate 17 pushes the packaging box 11 to slide relative to the conveying roller 7, and finally the packaging box 11 contacts the fixed seat 6. As the adjustment frame 25 continues to move, the adjustment frame 25 drives the second damping plate 24 to slide relative to the first damping plate 23 through the second guide block 27, ensuring that after several packaging boxes 11 in each group are aligned, the correction plate 17 stops moving in the horizontal direction. When the second hydraulic telescopic rod 29 drives the adjustment frame 25 to move in the opposite direction, the second damping plate 24 drives the first damping plate 23 and the first tooth plate 22 to move again through friction, and the first tooth plate 22 drives the first gear 21 to move in the opposite direction. After the first gear 21 drives the correction plate 17 to rotate in the opposite direction by ninety degrees through the first rotating shaft 16, the correction plate 17 contacts the first stop block 19, and the first rotating shaft 16 and the correction plate 17 stop rotating. With the continuous horizontal movement of the adjustment frame 25, the first rotating shaft 16 and the movable box 12 move synchronously in the opposite directions in the horizontal direction. When the movable box 12 is reset to the initial position relative to the fixed seat 6, the side of the first guide block 15 away from the fixed seat 6 contacts the inner wall of the first guide groove 14, and the movable box 12 and the first rotating shaft 16 stop moving in the horizontal direction. With the continuous movement of the adjustment frame 25, the second damping plate 24 slides relative to the first damping plate 23 again to ensure that the movable box 12 stops automatically after moving to the preset position.

[0043] Embodiment 3, based on embodiment 1, Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6 The tilt device includes a second rotating shaft 38 rotatably mounted on the lifting frame 4, the second rotating shaft 38 and the fixed seat 6 are fixedly connected by a supporting portion 39, a supporting plate 40 is provided on the side of the lifting frame 4 away from the fixed seat 6, and at least one rectangular hole 41 is provided on the supporting plate 40, a guide plate 42 is fixedly connected in the rectangular hole 41, a slider 43 is sleeved on the outside of the guide plate 42, and the slider 43 is fixedly connected to the lifting frame 4, a rubber ring 44 is fixedly connected to the inner wall of the bottom of the rectangular hole 41, and the top of the rubber ring 44 is in contact with the bottom of the slider 43 At least one second gear 45 is fixedly sleeved on the outside of the second rotating shaft 38, and at least one second tooth plate 46 is fixedly connected to the side of the support plate 40 facing the second rotating shaft 38, and the second gear 45 is meshed with the corresponding second tooth plate 46, and the support plate 40 is installed with a magnetic fixing member adapted to the lifting frame 4, and the magnetic fixing member includes at least one electromagnet 47 fixedly installed on the support plate 40, and the electromagnet 47 is located above the lifting frame 4, and an iron plate 48 is provided below the electromagnet 47, and the iron plate 48 is fixedly connected to the lifting frame 4, The self-rotating structure includes a third rotating shaft 49 fixedly mounted on the bottom of the support frame 3, the bottom end of the third rotating shaft 49 is rotatably connected to the base 1, the outer fixed sleeve of the third rotating shaft 49 is provided with a third gear 50, the top of the base 1 is fixedly connected to a first motor 51, the output end of the first motor 51 is fixedly connected to a fourth gear 52 meshing with the third gear 50, the horizontal position adjustment component includes a movable frame 54 arranged between the base 1 and the bearing seat 2, the top of the base 1 is fixedly connected to at least one second mounting plate 59, and the second mounting plate 59 is fixed A fourth hydraulic telescopic rod 60 is installed, the telescopic end of the fourth hydraulic telescopic rod 60 is fixedly connected to the movable frame 54, at least four rollers 55 are fixedly connected to the movable frame 54, and the rollers 55 are in contact with the top of the base 1, a fourth rotating shaft 53 is rotatably connected to the movable frame 54, the top of the fourth rotating shaft 53 is fixedly connected to the bottom of the bearing seat 2, a worm gear 56 is provided on the outer fixed sleeve of the fourth rotating shaft 53, a second motor 57 is fixedly installed on the movable frame 54, and a worm 58 meshing with the worm gear 56 is fixedly connected to the output end of the second motor 57;

[0044] When it is necessary to drive several packing boxes 11 in a group to move up, the first hydraulic telescopic rod 5 drives the lifting frame 4, the second rotating shaft 38, the supporting part 39 and the fixed seat 6 to move up, and the pallet 8 on the fixed seat 6 lifts the packing box 11, and the supporting plate 40 moves up synchronously with the lifting frame 4. When the top of the supporting plate 40 contacts the bottom of the supporting frame 3, the supporting plate 40 stops moving up. As the lifting frame 4 and the fixed seat 6 continue to move up, the lifting frame 4 drives the second gear 45 to roll on the second gear plate 46 through the second rotating shaft 38, so that the second gear 45 and the second rotating shaft 38 can rotate. The second rotating shaft 38 drives the fixed seat 6 to rotate through the supporting part 39, changes the inclination angle of the fixed seat 6 and the pallet 8, and the packing box 1 can be moved by the fixed seat 6 and the pallet 8. 1 is supported, when the lifting frame 4 drives the iron plate 48 and the electromagnet 47 to contact, the electromagnet 47 is started to keep the electromagnet 47 and the iron plate 48 together, the support plate 40 and the electromagnet 47 are fixed relative to the iron plate 48 and the lifting frame 4, so that the fixed seat 6 can be fixed relative to the lifting frame 4, and the fixed seat 6 maintains the tilt angle at this time, and the fourth gear 52 is driven to rotate by the first motor 51, and the fourth gear 52 drives the third shaft 49 and the support frame 3 to rotate through the third gear 50, so that the fixed seat 6 and the support plate 8 can be moved to the top of the pallet 10, and the first hydraulic telescopic rod 5 drives the lifting frame 4 to move downward. When the fixed seat 6 and the support plate 8 are lowered to a preset height, the electromagnet 47 is powered off, and the electromagnet 47 and the iron plate 48 are no longer magnetically attracted together. Due to the gravity of the packaging box 11 itself, the packaging box 11 pushes the pallet 8 and the fixed seat 6 to rotate. The fixed seat 6 drives the second rotating shaft 38 and the second gear 45 to rotate through the support part 39. The second gear 45 drives the support plate 40 to move up through the second tooth plate 46, and the guide plate 42 slides relative to the slider 43. The design of the guide plate 42 and the slider 43 allows the support plate 40 to move smoothly relative to the lifting frame 4. Finally, the packaging box 11, the pallet 8 and the fixed seat 6 are restored to their initial positions relative to the lifting frame 4. The top of the rubber ring 44 is in contact with the bottom of the slider 43. The rubber ring 44 is used for elastic buffering, and the correction push structure releases the limitation on the position of the packaging box 11. Since half of the length of the packaging box 11 is greater than the length of the pallet 8, the center of gravity of the packaging box 11 The packing box 11 is not in the same vertical position as the support plate 8, and the packing box 11 is tilted due to its own gravity, so that the end of the packing box 11 away from the fixed seat 6 is in contact with the pallet 10. When the horizontal position adjustment component drives the supporting seat 2 and the pallet 10 to move horizontally, the packing box 11 moves synchronously with the pallet 10, and finally the packing box 11 slides off the pallet 8. The movable frame 54 is driven to move on the base 1 by the fourth hydraulic telescopic rod 60, and the roller 55 rolls on the base 1. The design of the roller 55 allows the movable frame 54, the fourth rotating shaft 53 and the supporting seat 2 to move smoothly relative to the base 1. When it is necessary to drive the supporting seat 2 to rotate, the second motor 57 drives the worm 58 to rotate, and the worm 58 can drive the fourth rotating shaft 53 and the supporting seat 2 to rotate through the worm gear 56.

[0045] A palletizing method based on packaging boxes in this embodiment uses the above-mentioned palletizing machine based on packaging boxes, and includes the following steps:

[0046] Step 1: The driving mechanism drives a plurality of conveying rollers 7 to rotate, and the conveying rollers 7 convey the packaging box 11 to one side of the fixing seat 6, and the stop plate 9 limits the position of the packaging box 11, so that the packaging box 11 moves to a preset position and stops;

[0047] Step 2: When a preset number of packaging boxes 11 move to one side of the fixing seat 6, the packaging boxes 11 are pushed toward the fixing seat 6 by the correction pushing structure, so that a plurality of packaging boxes 11 in each group are in contact with the fixing seat 6;

[0048] Step 3: The lifting frame 4, the fixed seat 6 and the pallet 8 are driven to move upward by the first hydraulic telescopic rod 5, the pallet 8 lifts the packaging box 11 to move upward, and the inclinator on the lifting frame 4 drives the fixed seat 6, the pallet 8 and the packaging box 11 to tilt, so that the fixed seat 6 and the pallet 8 jointly support the packaging box 11;

[0049] Step 4: The support frame 3 is driven to rotate by the self-rotation structure so that the fixed seat 6 moves to the top of the pallet 10, and the lifting frame 4 and the fixed seat 6 are driven to descend to a preset height by the first hydraulic telescopic rod 5, the correction pushing structure releases the limitation on the position of the packaging box 11, and the inclinator drives the fixed seat 6 and the pallet 8 to rotate in the opposite direction to the initial position;

[0050] Step 5: The packaging box 11 tilts due to its own gravity, and the end of the packaging box 11 away from the fixed seat 6 contacts the pallet 10. The horizontal position adjustment component drives the supporting seat 2 and the pallet 10 to move horizontally. The packaging box 11 moves synchronously with the pallet 10. Finally, the packaging box 11 slides off the pallet 8 and is stacked on the pallet 10.

[0051] Working principle: During operation, the staff uses a forklift to place an empty pallet 10 on the top of the supporting seat 2, and drives several conveyor rollers 7 to rotate through the driving mechanism. The external conveying device conveys the packaging boxes 11 to be stacked to the top of several conveyor rollers 7. The conveyor rollers 7 convey the packaging boxes 11 to one side of the fixed seat 6, and the position of the packaging boxes 11 is limited by the stop plate 9, so that the packaging boxes 11 move to the preset position and then stop, and the pallet 8 is located below the packaging boxes 11. When the preset number of packaging boxes 11 move to one side of the fixed seat 6, the packaging boxes 11 are pushed toward the fixed seat 6 through the correction pushing structure, so that the several packaging boxes 11 in each group are in contact with the fixed seat 6, so that Several packing boxes 11 are kept aligned, and then the lifting frame 4, the fixed seat 6 and the pallet 8 are driven to move upward by the first hydraulic telescopic rod 5, the pallet 8 lifts the packing box 11 and moves upward, and the inclinator on the lifting frame 4 drives the fixed seat 6, the pallet 8 and the packing box 11 to tilt, so that the fixed seat 6 and the pallet 8 support the packing box 11 together, and the support frame 3 is driven to rotate by the self-rotation structure to move the fixed seat 6 to the top of the pallet 10, and the lifting frame 4 and the fixed seat 6 are driven to descend to a preset height by the first hydraulic telescopic rod 5, the correction pushing structure releases the limitation on the position of the packing box 11, and the inclinator drives the fixed seat 6 and the pallet 8 to rotate in the opposite direction, so that the pallet 8 and the fixed seat 6 are reset to the initial position relative to the lifting frame 4. The structure removes the limitation on the position of the packing box 11, and half of the length of the packing box 11 is greater than the length of the pallet 8. The center of gravity of the packing box 11 and the pallet 8 are not in the same vertical position. The packing box 11 tilts due to its own gravity, and the end of the packing box 11 away from the fixed seat 6 contacts the pallet 10. The horizontal position adjustment component drives the supporting seat 2 and the pallet 10 to move horizontally, and the packing box 11 moves synchronously with the pallet 10. Finally, the packing box 11 slides off the pallet 8, and the packing box 11 is stacked on the pallet 10. Similarly, the palletizer drives the fixed seat 6 and the pallet 8 to reset to the initial position, and the fixed seat 6 and the pallet 8 can grab the next group of several packing boxes 11. When several groups of packing boxes 11 fill a layer on the pallet 10, , the horizontal position adjustment component drives the support seat 2 and the pallet 10 to move horizontally in the opposite direction to the initial position, and the horizontal position adjustment component drives the support seat 2 and the pallet 10 to rotate ninety degrees, so that the next layer of palletizing can be carried out, so that the packaging boxes 11 of each layer are staggered and palletized. When the pallet 10 is full of packaging boxes 11, the staff takes the pallet 10 off the top of the support seat 2 by a forklift, and places the next empty pallet 10 on the top of the support seat 2 by a forklift, so as to change the way of grabbing the packaging boxes 11, facilitate the grabbing of large-volume packaging boxes 11, and will not deform the packaging boxes 11 during grabbing, reduce the possibility of damage to the internal objects of the packaging boxes 11, improve the scope of application, and facilitate the palletizing of the packaging boxes 11;

[0052] The third hydraulic telescopic rod 34 drives the lifting plate 31 to move upward, and the guide column 32 slides relative to the pressing frame 30, changing the deformation degree of the compression spring 33, adjusting the pressure applied by the compression spring 33 to the pressing frame 30, and changing the pressure applied by the pressing frame 30 to the second damping plate 24, thereby adjusting the friction between the second damping plate 24 and the first damping plate 23. When it is necessary to push the packaging box 11 to contact the fixing seat 6 so that several packaging boxes 11 are aligned, the second hydraulic telescopic rod 29 drives the adjustment frame 25 to move, and the adjustment frame 25 drives the second damping plate 24 to move through the second guide block 27. The second damping plate 24 drives the first damping plate 23 and the first toothed plate 22 to move through the friction force, and the third guide The first tooth plate 22 slides relative to the guide bar 37 and the second side plate 35 in the groove 36. The second side plate 35, the third guide groove 36 and the guide bar 37 are designed to make the first tooth plate 22 slide smoothly. The first tooth plate 22 drives the first shaft 16 and the correction plate 17 to rotate through the first gear 21. When the correction plate 17 rotates ninety degrees, the correction plate 17 contacts the second stop block 20, and the correction plate 17 is in a state perpendicular to the horizontal plane. As the adjustment frame 25 continues to move, the second damping plate 24 drives the first damping plate 23, the first tooth plate 22, the first gear 21, the first shaft 16 and the movable box 12 to move synchronously in the horizontal direction through the friction force. The correction plate 17 moves toward the packaging box 11, and the movable box 12 drives The first guide block 15 is moved to slide in the first guide groove 14. When the correction plate 17 contacts the packaging box 11, the correction plate 17 pushes the packaging box 11 to slide relative to the conveying roller 7, and finally the packaging box 11 contacts the fixed seat 6. As the adjustment frame 25 continues to move, the adjustment frame 25 drives the second damping plate 24 to slide relative to the first damping plate 23 through the second guide block 27, ensuring that after several packaging boxes 11 in each group are aligned, the correction plate 17 stops moving in the horizontal direction. When the second hydraulic telescopic rod 29 drives the adjustment frame 25 to move in the opposite direction, the second damping plate 24 drives the first damping plate 23 and the first tooth plate 22 to move again through friction, and the first tooth plate 22 drives the first gear 21 to move in the opposite direction. After the first gear 21 drives the correction plate 17 to rotate in the opposite direction by ninety degrees through the first rotating shaft 16, the correction plate 17 contacts the first stop block 19, and the first rotating shaft 16 and the correction plate 17 stop rotating. With the continuous horizontal movement of the adjustment frame 25, the first rotating shaft 16 and the movable box 12 move synchronously in the opposite horizontal direction. When the movable box 12 is reset to the initial position relative to the fixed seat 6, the side of the first guide block 15 away from the fixed seat 6 contacts the inner wall of the first guide groove 14, and the movable box 12 and the first rotating shaft 16 stop moving in the horizontal direction. With the continuous movement of the adjustment frame 25, the second damping plate 24 slides relative to the first damping plate 23 again to ensure that the movable box 12 stops automatically after moving to the preset position.

[0053] When it is necessary to drive several packing boxes 11 in a group to move up, the first hydraulic telescopic rod 5 drives the lifting frame 4, the second rotating shaft 38, the supporting part 39 and the fixed seat 6 to move up, and the pallet 8 on the fixed seat 6 lifts the packing box 11, and the supporting plate 40 moves up synchronously with the lifting frame 4. When the top of the supporting plate 40 contacts the bottom of the supporting frame 3, the supporting plate 40 stops moving up. As the lifting frame 4 and the fixed seat 6 continue to move up, the lifting frame 4 drives the second gear 45 to roll on the second gear plate 46 through the second rotating shaft 38, so that the second gear 45 and the second rotating shaft 38 can rotate. The second rotating shaft 38 drives the fixed seat 6 to rotate through the supporting part 39, changes the inclination angle of the fixed seat 6 and the pallet 8, and the packing box 1 can be moved by the fixed seat 6 and the pallet 8. 1 is supported, when the lifting frame 4 drives the iron plate 48 and the electromagnet 47 to contact, the electromagnet 47 is started to keep the electromagnet 47 and the iron plate 48 together, the support plate 40 and the electromagnet 47 are fixed relative to the iron plate 48 and the lifting frame 4, so that the fixed seat 6 can be fixed relative to the lifting frame 4, and the fixed seat 6 maintains the tilt angle at this time, and the fourth gear 52 is driven to rotate by the first motor 51, and the fourth gear 52 drives the third shaft 49 and the support frame 3 to rotate through the third gear 50, so that the fixed seat 6 and the support plate 8 can be moved to the top of the pallet 10, and the first hydraulic telescopic rod 5 drives the lifting frame 4 to move downward. When the fixed seat 6 and the support plate 8 are lowered to a preset height, the electromagnet 47 is powered off, and the electromagnet 47 and the iron plate 48 are no longer magnetically attracted together. Due to the gravity of the packaging box 11 itself, the packaging box 11 pushes the pallet 8 and the fixed seat 6 to rotate. The fixed seat 6 drives the second rotating shaft 38 and the second gear 45 to rotate through the support part 39. The second gear 45 drives the support plate 40 to move up through the second tooth plate 46, and the guide plate 42 slides relative to the slider 43. The design of the guide plate 42 and the slider 43 allows the support plate 40 to move smoothly relative to the lifting frame 4. Finally, the packaging box 11, the pallet 8 and the fixed seat 6 are restored to their initial positions relative to the lifting frame 4. The top of the rubber ring 44 is in contact with the bottom of the slider 43. The rubber ring 44 is used for elastic buffering, and the correction push structure releases the limitation on the position of the packaging box 11. Since half of the length of the packaging box 11 is greater than the length of the pallet 8, the center of gravity of the packaging box 11 The packing box 11 is not in the same vertical position as the support plate 8, and the packing box 11 is tilted due to its own gravity, so that the end of the packing box 11 away from the fixed seat 6 is in contact with the pallet 10. When the horizontal position adjustment component drives the supporting seat 2 and the pallet 10 to move horizontally, the packing box 11 moves synchronously with the pallet 10, and finally the packing box 11 slides off the pallet 8. The movable frame 54 is driven to move on the base 1 by the fourth hydraulic telescopic rod 60, and the roller 55 rolls on the base 1. The design of the roller 55 allows the movable frame 54, the fourth rotating shaft 53 and the supporting seat 2 to move smoothly relative to the base 1. When it is necessary to drive the supporting seat 2 to rotate, the second motor 57 drives the worm 58 to rotate, and the worm 58 can drive the fourth rotating shaft 53 and the supporting seat 2 to rotate through the worm gear 56.

[0054] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0055] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A palletizer based on packaging boxes, comprising a base (1), characterized in that: A bearing seat (2) for bearing the tray (10) is provided above the base (1), a horizontal position adjustment component for adjusting the horizontal position of the bearing seat (2) is installed on the base (1), a support frame (3) is provided above the bearing seat (2), a self-rotation structure for driving the support frame (3) to rotate is installed on the base (1), a lifting frame (4) and a fixed seat (6) are provided below the support frame (3), at least one first hydraulic telescopic rod (5) is fixedly installed on the support frame (3), the telescopic end of the first hydraulic telescopic rod (5) is fixedly connected to the top of the lifting frame (4), and the lifting frame (4) is installed with a tilter for driving the fixed seat (6) to tilt; A plurality of conveying rollers (7) for conveying the packaging box (11) are arranged above the base (1), a driving mechanism for driving the plurality of conveying rollers (7) to rotate is installed on the base (1), a support plate (8) is arranged between two adjacent conveying rollers (7), half the length of the packaging box (11) is greater than the length of the support plate (8), the support plate (8) and the fixed seat (6) are fixedly connected, a stop plate (9) is fixedly connected to the side of the fixed seat (6) away from the lifting frame (4), and a correction pushing structure for correcting the position of the packaging box (11) is installed on the side of the fixed seat (6) away from the lifting frame (4); The correction pushing structure comprises a movable box (12) arranged on a side of the fixed seat (6) away from the lifting frame (4), first side plates (13) are symmetrically arranged on both sides of the movable box (12), the first side plates (13) and the fixed seat (6) are fixedly connected, a first guide groove (14) is provided on the side of the first side plate (13) facing the movable box (12), a first guide block (15) is provided in the first guide groove (14), and the first guide block (15) and the movable box (12) are fixedly connected, a first rotating shaft (16) is rotatably connected in the movable box (12), a plurality of correction plates (17) are fixedly installed on the first rotating shaft (16), a plurality of avoidance holes (18) matched with the correction plates (17) are provided on the movable box (12), and a plurality of avoidance holes (18) respectively connected with the correction plates (17) are fixedly connected in the movable box (12). A first stop block (19) and a second stop block (20) are matched with the positive plate (17); a plurality of first gears (21) are provided on the outer fixed sleeve of the first rotating shaft (16); a first damping plate (23) and a second damping plate (24) are provided below the first gear (21); the top of the first damping plate (23) is fixedly connected with a first toothed plate (22) meshing with the first gear (21); the bottom of the first damping plate (23) and the top of the second damping plate (24) are in contact; the first side plate (13) is provided with a translator for driving the second damping plate (24) to move; the first toothed plate (22), the first damping plate (23) and the second damping plate (24) respectively penetrate the movable box (12); and the movable box (12) is provided with a guide member matched with the first toothed plate (22).

2. A palletizer based on packaging boxes according to claim 1, characterized in that: The translator comprises an adjustment frame (25) arranged on a side of the movable box (12) facing the fixed seat (6); a first mounting plate (28) is fixedly mounted on the first side plate (13); a second hydraulic telescopic rod (29) is fixedly mounted on the first mounting plate (28); and a telescopic end of the second hydraulic telescopic rod (29) is fixedly connected to the adjustment frame (25); a plurality of second guide grooves (26) are provided on a side of the adjustment frame (25) facing the movable box (12); and the number of the second guide grooves (26) and the number of the second damping plate (24) are the same; a second guide block (27) is fixedly connected to one end of the second damping plate (24) facing the adjustment frame (25); and the second guide block (27) is located in the corresponding second guide groove (26); and a pressure controller for applying pressure to the second damping plate (24) is installed on the movable box (12).

3. A palletizer based on packaging boxes according to claim 2, characterized in that: The pressure controller comprises a pressing frame (30) arranged below the second damping plate (24), the bottom of the second damping plate (24) is in contact with the pressing frame (30), lifting plates (31) are symmetrically arranged on both sides of the pressing frame (30), at least one guide column (32) is fixedly connected to the top of the lifting plate (31), the top of the guide column (32) passes through the pressing frame (30), a compression spring (33) is sleeved on the outside of the guide column (32), and the two ends of the compression spring (33) are respectively in contact with the pressing frame (30) and the lifting plate (31), and a plurality of third hydraulic telescopic rods (34) adapted to the lifting plates (31) are fixedly connected to the bottom of the movable box (12), and the telescopic ends of the third hydraulic telescopic rods (34) are fixedly connected to the corresponding lifting plates (31).

4. A palletizer based on packaging boxes according to claim 1, characterized in that: The guide member comprises a second side plate (35) symmetrically arranged on both sides of the first tooth plate (22); the second side plate (35) is fixedly connected to the inner wall of the movable box (12); third guide grooves (36) are symmetrically opened on both sides of the first tooth plate (22); a guide bar (37) is arranged in the third guide groove (36); and the guide bar (37) is fixedly connected to the corresponding second side plate (35).

5. A palletizer based on packaging boxes according to claim 1, characterized in that: The tilter comprises a second rotating shaft (38) rotatably mounted on the lifting frame (4); the second rotating shaft (38) and the fixed seat (6) are fixedly connected via a support portion (39); a support plate (40) is provided on a side of the lifting frame (4) away from the fixed seat (6); at least one rectangular hole (41) is provided on the support plate (40); a guide plate (42) is fixedly connected in the rectangular hole (41); a slider (43) is sleeved on the outside of the guide plate (42); and the slider (43) is fixedly connected to the lifting frame (4); A rubber ring (44) is fixedly connected to the inner wall of the bottom of the shaped hole (41), and the top of the rubber ring (44) is in contact with the bottom of the slider (43). At least one second gear (45) is fixedly sleeved on the outside of the second rotating shaft (38). At least one second tooth plate (46) is fixedly connected to the side of the support plate (40) facing the second rotating shaft (38), and the second gear (45) is meshed with the corresponding second tooth plate (46). The support plate (40) is installed with a magnetic fixing member adapted to the lifting frame (4).

6. A palletizer based on packaging boxes according to claim 5, characterized in that: The magnetic attraction fixing member comprises at least one electromagnet (47) fixedly mounted on a support plate (40), wherein the electromagnet (47) is located above the lifting frame (4), and an iron plate (48) is provided below the electromagnet (47), wherein the iron plate (48) and the lifting frame (4) are fixedly connected.

7. A palletizer based on packaging boxes according to claim 1, characterized in that: The self-rotating structure comprises a third rotating shaft (49) fixedly mounted on the bottom of the support frame (3); the bottom end of the third rotating shaft (49) is rotatably connected to the base (1); an external fixed sleeve of the third rotating shaft (49) is provided with a third gear (50); the top of the base (1) is fixedly connected to a first motor (51); and the output end of the first motor (51) is fixedly connected to a fourth gear (52) meshing with the third gear (50).

8. A palletizer based on packaging boxes according to claim 1, characterized in that: The horizontal position adjustment assembly comprises a movable frame (54) arranged between the base (1) and the bearing seat (2); at least one second mounting plate (59) is fixedly connected to the top of the base (1); a fourth hydraulic telescopic rod (60) is fixedly mounted on the second mounting plate (59); the telescopic end of the fourth hydraulic telescopic rod (60) is fixedly connected to the movable frame (54); at least four rollers (55) are fixedly connected to the movable frame (54), and the rollers (55) are in contact with the top of the base (1); a fourth rotating shaft (53) is rotatably connected to the movable frame (54); the top of the fourth rotating shaft (53) is fixedly connected to the bottom of the bearing seat (2); a worm gear (56) is provided on the outer fixed sleeve of the fourth rotating shaft (53); a second motor (57) is fixedly mounted on the movable frame (54); and a worm (58) meshing with the worm gear (56) is fixedly connected to the output end of the second motor (57).

9. A method for palletizing based on packaging boxes, using the palletizer based on packaging boxes as claimed in claim 1, characterized in that: The following steps are involved: Step 1: driving a plurality of conveying rollers (7) to rotate through a driving mechanism, the conveying rollers (7) convey the packaging box (11) to one side of the fixed seat (6), and limiting the position of the packaging box (11) through a stop plate (9), so that the packaging box (11) moves to a preset position and then stops; Step 2: When a preset number of packaging boxes (11) move to one side of the fixed seat (6), the packaging boxes (11) are pushed toward the fixed seat (6) by the correction pushing structure, so that a plurality of packaging boxes (11) in each group are in contact with the fixed seat (6); Step 3: The lifting frame (4), the fixed seat (6) and the pallet (8) are driven to move upward by the first hydraulic telescopic rod (5), the pallet (8) lifts the packaging box (11) to move upward, and the tilter on the lifting frame (4) drives the fixed seat (6), the pallet (8) and the packaging box (11) to tilt, so that the fixed seat (6) and the pallet (8) jointly support the packaging box (11); Step 4: The support frame (3) is driven to rotate by the self-rotating structure so that the fixed seat (6) moves to the top of the pallet (10), and the lifting frame (4) and the fixed seat (6) are driven to descend to a preset height by the first hydraulic telescopic rod (5), the correction pushing structure releases the restriction on the position of the packaging box (11), and the tilter drives the fixed seat (6) and the pallet (8) to rotate in the opposite direction to the initial position; Step 5: The packaging box (11) tilts due to its own gravity, and the end of the packaging box (11) away from the fixed seat (6) contacts the pallet (10). The horizontal position adjustment component drives the support seat (2) and the pallet (10) to move horizontally, and the packaging box (11) moves synchronously with the pallet (10). Finally, the packaging box (11) slides off the pallet (8) and the packaging box (11) is stacked on the pallet (10).

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