Stacking machine

Abstract

The utility model discloses a stacker crane which comprises an advancing mechanism and a roller conveying belt, the advancing mechanism is connected with a rail in a sliding mode, two lifting mechanisms are arranged on the advancing mechanism, a first platform and a second platform are connected to the two lifting mechanisms in a sliding mode respectively, the first platform is located above the second platform, and a telescopic mechanism is arranged on the first platform. The telescopic mechanism is connected with a pallet fork, the pallet fork comprises a bearing plate, the bearing plate is slidably connected with a connecting plate, the pallet fork is fixedly connected with an air cylinder, an output shaft of the air cylinder is fixedly connected with the connecting plate, a fork arm is arranged at the bottom of the connecting plate, and the air cylinder pushes the connecting plate to be away from the bearing plate. A groove position is formed in the second platform, a plurality of notches distributed at intervals are formed in the roller conveying belt, the roller conveying belt is located below the second platform, and the roller conveying belt is parallel to the track. According to the stacker crane, the unloading efficiency of the stacker crane is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to goods transfer equipment field especially relates to a stacking machine. BACKGROUND

[0002] The development of warehouse logistics is very fast, especially the warehouse logistics of large objects, in order to utilize the warehouse area as much as possible, so the shelves of the warehouse are large and high, a plurality of stacked arrangement storage areas are arranged on the shelf, and the large object goods are placed in the storage area. In order to store and take the goods from the high shelf, a stacking machine is used for carrying.

[0003] At present, most warehouses are arranged in a mode that a plurality of shelves are arranged at intervals, a lane is formed between two adjacent shelves, a track for sliding movement of the stacking machine is arranged at the bottom of the stacking machine, the track is arranged in the lane, and the stacking machine can slide forward or backward in the lane between the two shelves to make the stacking machine reciprocate to approach each storage area on the shelf where the goods are placed. One end of the track is provided with an unloading area, and the stacking machine moves to the unloading area to place the goods after obtaining the goods.

[0004] After the stacking machine obtains the goods, the stacking machine needs to slide to the end of the track to place the goods in the unloading area. However, when the length of the lane is too long, the time consumed by the stacking machine in sliding to the unloading area on the track is long, so that the above-mentioned stacking machine has low unloading efficiency in a single time. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a stacking machine to improve the unloading efficiency of the stacking machine.

[0006] The utility model discloses a stacking machine adopts the technical scheme that:

[0007] Including the advancing mechanism and the drum conveyer belt, the advancing mechanism is connected with the track slidingly, be equipped with two elevating gear on the advancing mechanism, two elevating gear is connected with first platform and second platform respectively slidingly, first platform is located at the top of second platform, be equipped with telescopic mechanism on first platform, be connected with fork on telescopic mechanism, the fork includes the bearing plate, the bearing plate is connected with the link plate slidingly, be connected with the cylinder fixedly on the fork, the output shaft of cylinder and link plate fixed connection, the bottom of link plate is equipped with the prong, the cylinder pushes away the link plate from the bearing plate, second platform is the hollow square frame structure, be equipped with a plurality of interval arrangement baffle fixedly in second platform, be equipped with the slot on second platform, the slot is located below the prong, be equipped with a plurality of interval arrangement notch on the drum conveyer belt, the drum conveyer belt is located below second platform, the drum conveyer belt and the track are parallel to each other.

[0008] As a preferred scheme, two light poles are arranged on the adapter plate, the light poles are in sliding connection with the bearing plate, the fork arms are two, the bottom of the adapter plate is fixedly connected with two spaced adapter pieces, and the fork arms are fixedly connected with the adapter pieces.

[0009] As a preferred scheme, three spaced connecting plates are fixedly connected on the bearing plate, the ends of the connecting plates are fixedly connected with mounting plates, one end of the air cylinder is fixedly connected with the bearing plate, the other end of the air cylinder is fixedly connected with the mounting plates, the bottom of the bearing plate is fixedly connected with a baffle, and the baffle is close to the adapter plate.

[0010] As a preferred scheme, a first infrared sensor is fixedly connected on the mounting plate, the first infrared sensor faces between the two fork arms, a second infrared sensor is arranged on the outer side of the second platform, and the second infrared sensor faces above the second platform.

[0011] As a preferred scheme, the telescopic mechanism comprises a first rack, a first support, a sliding plate, two second supports and a third rack, the first rack and the first support are fixedly connected with the first platform, the sliding plate is in sliding connection with the fork support, the sliding plate is fixedly connected with a second rack, a first gear is rotatably connected on the sliding plate, the second supports are in sliding connection with the sliding plate, the two second supports are fixedly connected with two connecting plates respectively, the third rack is fixedly connected with the other connecting plate, the first rack and the third rack are in matched connection with the first gear, and the first platform is provided with a driving assembly connected with the second rack.

[0012] As a preferred scheme, the driving assembly comprises a driving motor, a second gear and a transmission belt, the driving motor is fixedly connected with the first platform, the second gear is rotatably connected with the first platform, the output shaft of the driving motor and the second gear are fixedly connected with pulleys respectively, and the transmission belt is sleeved on the two pulleys.

[0013] As a preferred scheme, the lifting mechanism comprises a stand, a lifting motor and a chain, the stand is connected with the traveling mechanism, a first ratchet wheel is rotatably connected on the stand, the lifting motor is connected with the traveling mechanism, the output shaft of the lifting motor is fixedly connected with a second ratchet wheel, the chain is sleeved on the first ratchet wheel and the second ratchet wheel, lifting sliding seats are slidably connected on the stand, the chain is fixedly connected with the lifting sliding seats, and the two lifting sliding seats are fixedly connected with the first platform and the second platform respectively.

[0014] As a preferred scheme, the traveling mechanism comprises a traveling slide placed above the track, two traveling wheels rotatably connected in the traveling slide and in contact with the track, and two traveling motors fixedly connected with the traveling slide, the output shafts of the traveling motors being fixedly connected with the traveling wheels, the stand being fixedly connected with the traveling slide, and the lifting motor being fixedly connected with the traveling slide.

[0015] The pile up machine has the advantages that:

[0016] The traveling mechanism slides on the track to approach the column on which the placing area is located, one lifting mechanism drives the first platform to approach the placing area, the telescopic mechanism drives the forks to enter the placing area, so that the two fork arms lift the goods in the placing area, the telescopic mechanism drives the forks to carry the goods to above the second platform, the other lifting mechanism drives the second platform to approach the forks, so that the fork arms are inserted into the slots, the top of the fork arms is lower than the partition plate, the partition plate lifts the goods, the output shaft of the cylinder pushes the connecting plate away from the bearing plate, so that the fork arms are pulled out from the bottom of the goods, and the other lifting mechanism drives the second platform to descend to approach the drum conveyor, the output shaft of the cylinder pulls the connecting plate back to position, so that the goods are transferred to the second platform and then to the next placing area.

[0017] The partition plate is inserted into the notch on the drum conveyor, so that the top of the partition plate is lower than the top of the drum of the drum conveyor, the drum conveyor lifts the goods, and the drum conveyor drives the goods to move towards the unloading area, after the goods are away from above the second platform, the other lifting mechanism drives the second platform to approach the forks to receive the next goods.

[0018] The forks place the goods on the second platform, and the goods are placed on the drum conveyor through the second platform, so that the step of lowering the forks to place the goods is reduced, and the efficiency of taking the goods from the shelf by the pile up machine is improved; the second platform places the goods on the drum conveyor, and the goods are transferred to the unloading area through the drum conveyor, so that the step of going to the unloading area to place the goods by the pile up machine is reduced, and the efficiency of transferring the goods to the unloading area by the pile up machine is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural schematic view of the pile up machine.

[0020] Figure 2 is a structural schematic view of the traveling mechanism and the lifting mechanism of the pile up machine.

[0021] Figure 3 is a structural schematic view of the first platform of the pile up machine.

[0022] Figure 4 is a structural schematic view of the telescopic mechanism of the pile up machine.

[0023] Figure 5 is a palletizing machine fork structure schematic diagram of the utility model.

[0024] Figure 6 is a palletizing machine fork operation schematic diagram of the utility model.

[0025] Figure 7 is a second platform structure schematic diagram of the palletizing machine of the utility model.

[0026] Figure 8 is a palletizing machine fork and the second platform operation schematic diagram of the utility model.

[0027] Figure 9 is a palletizing machine fork and the second platform operation schematic diagram of the utility model.

[0028] Figure 10 is a roller conveyor belt structure schematic diagram of the palletizing machine of the utility model. Specific implementation

[0029] The utility model will be further described and explained in connection with specific embodiments and the drawings of the specification:

[0030] Please refer to Figure 1 And Figure 10 .

[0031] The utility model discloses a kind of palletizing machines, including track 1, advancing mechanism 3 and roller conveyor belt 2;

[0032] Two shelves form roadway between them, track 1 is arranged in roadway, one end of track 1 is equipped with unloading area;

[0033] Roller conveyor belt 2 includes third support 21 and multiple rollers 211, both ends of roller 211 are rotatably connected with third support 21, multiple rollers 211 are arranged at intervals on third support 21, multiple gaps 212 arranged at intervals are set on roller conveyor belt 2, multiple slots 83 are located at the two sides of third support 21 respectively, gap 212 is located between two adjacent rollers 211;

[0034] Further, the bottom of one side of support is equipped with supporting leg 22, supporting leg 22 is fixedly connected with ground, track 1 is located below roller conveyor belt 2;Roller conveyor belt 2 is placed in roadway, one end of roller conveyor belt 2 extends into the unloading area of roadway end.

[0035] Please refer to Figure 1 And Figure 2 .

[0036] The traveling mechanism 3 is in sliding connection with the track 1, and the traveling mechanism 3 comprises a traveling slide 31 and two traveling motors 32; the traveling slide 31 is arranged above the track 1, two traveling wheels 311 are rotatably connected in the traveling slide 31, the two traveling wheels 311 are respectively close to two ends of the traveling slide 31, and the traveling wheels 311 are in contact with the track 1; the traveling motors 32 are fixedly connected with the traveling slide 31, and output shafts of the traveling motors 32 are fixedly connected with the traveling wheels 311;

[0037] Further, four limiting wheels 312 are rotatably connected at the bottom of the traveling slide 31, the four limiting wheels 312 are respectively in contact with two sides of the track 1, and the four limiting wheels 312 limit the traveling slide 31 on the track 1;

[0038] The traveling wheels 311 are driven by the traveling motors 32 to rotate forward or reversely, the traveling wheels 311 drive the traveling slide 31 to slide forward or slide backward along the track 1, and the track 1 guides the traveling path of the traveling slide 31.

[0039] Two lifting mechanisms 4 are arranged on the traveling mechanism 3, the two lifting mechanisms 4 are mutually symmetrical, and the lifting mechanism 4 comprises a stand 41, a lifting motor 43 and a chain 44; the stand 41 is fixedly connected with the traveling slide 31 of the traveling mechanism 3, a first ratchet wheel 411 is rotatably connected on the stand 41, and the first ratchet wheel 411 is close to the top of the stand 41;

[0040] Further, the lifting motor 43 is fixedly connected with the traveling slide 31 of the traveling mechanism 3, a second ratchet wheel 431 is fixedly connected with an output shaft of the lifting motor 43, and the chain 44 is sleeved on the first ratchet wheel 411 and the second ratchet wheel 431; two parallel slide rails 412 are fixedly connected on the stand 41, a lifting slide 42 is slidably connected on the stand 41, the lifting slide 42 is a square hollow structure, the lifting slide 42 is sleeved outside the stand 41, the lifting slide 42 is slidably connected with the slide rails 412 of the stand 41, and the chain 44 is fixedly connected with the lifting slide 42;

[0041] The second ratchet wheel 431 is driven by the lifting motor 43 to rotate forward or reversely, the chain 44 is driven by the second ratchet wheel 431 to move, and the chain 44 drives the lifting slide 42 to slide upward or slide downward on the stand 41.

[0042] Please refer to Figure 1 , Figure 3 and Figure 4 .

[0043] The first platform 5 and the second platform 8 are respectively slidably connected on the two lifting mechanisms 4, the first platform 5 is fixedly connected with one of the lifting slides, the second platform 8 is fixedly connected with the other lifting slide, the first platform 5 is located above the second platform 8, and the drum conveying belt 2 is located below the second platform 8;

[0044] The first platform 5 is provided with a telescopic mechanism 6 and a driving assembly 51, the telescopic mechanism 6 is connected with a fork 7, the telescopic mechanism 6 comprises a first support 61, a first rack 62, a sliding plate 63, two second supports 64 and a third rack 642; the first support 61 is fixedly connected with the bottom of the first platform 5, preferably two first supports 61 in the embodiment, a plurality of first rollers 611 are rotatably connected with the first support 61 and arranged at intervals, and the plurality of first rollers 611 are arranged in a line on the first support 61; the first rack 62 is fixedly connected with the first platform 5, and the first rack 62 is located between the two first supports 61, and the arrangement of the plurality of first rollers 611 on the first support 61 is parallel to the first rack 62;

[0045] Further, the sliding plate 63 is fixedly connected with two parallel I-shaped guide rails 632, the two I-shaped guide rails 632 are respectively close to the two sides of the sliding plate 63, and the I-shaped guide rail 632 is parallel to the first rack 62; the second rack 633 is fixedly connected with the sliding plate 63, and the second rack 633 is located between the two I-shaped guide rails 632, and the second rack 633 is parallel to the first rack 62; the first gear 631 is rotatably connected with the sliding plate 63, and the first gear 631 penetrates the sliding plate 63; the sliding plate 63 is in sliding contact with the first roller 611 of the first support 61 through the I-shaped guide rail 632, the sliding plate 63 is located between the two first supports 61, and the first rack 62 is connected with the first gear 631;

[0046] Further, the second support 64 is connected with the fork 7, a plurality of second rollers 641 are rotatably connected with the second support 64 and arranged at intervals, the plurality of second rollers 641 are arranged in a line on the second support 64, and the arrangement of the plurality of second rollers 641 on the second support 64 is parallel to the first rack 62; the third rack 642 is connected with the fork 7, the third rack 642 is located between the two second supports 64, and the third rack 642 is parallel to the first rack 62; the second support 64 is in sliding contact with the I-shaped guide rail 632 of the sliding plate 63 through the roller, the second support 64 is located between the two I-shaped guide rails 632, and the third rack 642 is connected with the first gear 631.

[0047] The first platform 5 is provided with a driving assembly 51, the driving assembly 51 is connected with the second rack 633, and the driving assembly 51 comprises a driving motor 511, a second gear 512 and a transmission belt 513; the driving motor 511 is fixedly connected with the first platform 5, a center shaft of the second gear 512 extends, the second gear 512 is rotatably connected with the first platform 5 through the center shaft, the center shaft penetrates the first platform 5, a pulley is fixedly connected with the output shaft of the driving motor 511 and the center shaft of the second gear 512, and the transmission belt 513 is sleeved on the two pulleys;

[0048] The driving motor 511 drives the second gear 512 to rotate forward or reversely through the transmission belt 513, and the second gear 512 drives the sliding plate 63 to reciprocate through the second rack 633; when the sliding plate 63 slides on the first support 61, the first rack 62 drives the first gear 631 to rotate, and the first gear 631 drives the fork 7 to extend or retract on the first platform 5.

[0049] Please refer to Figure 3 、 Figure 5 and Figure 6 .

[0050] The fork 7 comprises a bearing plate 71, three connection plates 711 are fixedly connected to the bearing plate 71 and are arranged at intervals, the three connection plates 711 are parallel to each other, and an installation plate is fixedly connected to the end of the connection plate 711; two second supports 64 are fixedly connected to two connection plates 711, respectively, and the third rack 642 is fixedly connected to the other connection plate 711; a cylinder 712 is fixedly connected to the fork 7, one end of the cylinder 712 is fixedly connected to the bearing plate 71, and the other end of the cylinder 712 is fixedly connected to the installation plate.

[0051] Further, the bearing plate 71 is slidably connected with an adapter plate 72, two light rods 721 extend from the adapter plate 72, the two light rods 721 are parallel to each other, and the cylinder 712 is located between the two light rods 721; the adapter plate 72 is slidably connected with the bearing plate 71 through the light rods 721, the output shaft of the cylinder 712 is parallel to the light rods 721, the output shaft of the cylinder 712 is fixedly connected with the adapter plate 72, the bottom of the adapter plate 72 is fixedly connected with two adapter pieces 722 arranged at intervals, the bottom of the adapter plate 72 is provided with fork arms 723, and the fork arms 723 are preferably two in the embodiment; the fork arms 723 are fixedly connected with the adapter pieces 722, and the adapter pieces 722 can expand the distance between the top of the fork arms 723 and the bottom of the adapter plate 72.

[0052] Further, the bottom of the bearing plate 71 is fixedly connected with a baffle 73, and the baffle 73 is close to the adapter plate 72; a first infrared sensor 713 is fixedly connected to the installation plate, and the first infrared sensor 713 faces between the two fork arms 723.

[0053] When the fork arms 723 lift the goods, the goods shield the first infrared sensor 713, and the device determines that the fork arms 723 are fully loaded; when the fork arms 723 deliver the goods, the first infrared sensor 713 is not shielded, and the device determines that the fork arms 723 are empty.

[0054] The cylinder 712 drives the adapter plate 72 to slide on the bearing plate 71 away from the bearing plate 71, and the cylinder 712 drives the adapter plate 72 to slide on the bearing plate 71 close to the bearing plate 71.

[0055] Please refer to Figure 1 、 Figure 7 and Figure 8 .

[0056] The second platform 8 is a hollow square box structure, a plurality of partition plates 82 are fixedly connected in the second platform 8, the plurality of partition plates 82 form a grid in the second platform 8, and the partition plates 82 are parallel to the fork arms 723; two slot positions 83 are formed in the second platform 8, and the slot positions 83 are located below the fork arms 723;

[0057] Further, a second infrared sensor 811 is arranged on the outer side of the second platform 8, the second infrared sensor 811 is fixedly connected to the other lifting slide 42, and the second infrared sensor 811 faces the upper side of the second platform 8;

[0058] When the second platform 8 is loaded with goods, the goods shield the second infrared sensor 811, and the device determines that the second platform 8 is fully loaded; when the second platform 8 sends out the goods, the first infrared sensor 713 is not shielded, and the device determines that the second platform 8 is empty.

[0059] Please refer to Figures 1-10 .

[0060] The traveling mechanism 3 and one of the lifting mechanisms 4 drive the first platform 5 to approach the storage area, the driving assembly 51 drives the carrier plate to reciprocatingly extend and retract through the telescopic mechanism 6, the forks 7 receive the goods into the first platform 5, and the forks 7 are located above the second platform 8; the other lifting mechanism 4 drives the second platform 8 to approach the forks 7, the fork arms 723 are inserted into the slot positions 83, the partition plates 82 support the goods, the goods are not in contact with the fork arms 723, the cylinder 712 drives the connecting plate 72 to move away from the carrier plate 71, the fork arms 723 are extracted from the bottom of the goods, the goods are placed on the second platform 8, the other lifting slide 42 drives the second platform 8 to descend and approach the drum conveyor 2, the first infrared sensor 713 is not shielded by the goods, the first platform 5 advances to the next storage area, and the cylinder 712 drives the connecting plate 72 to reset; after the forks 7 place the goods on the second platform 8, the first platform 5 can go to the next storage area, reducing the step of lowering the forks 7 to place the goods, and improving the efficiency of the stacker to take the goods from the shelf;

[0061] Another lifting slide 42 drives the second platform 8 to descend close to the roller conveyor 2, so that the partition plate 82 is sunk into the gap 212, so that the top of the partition plate 82 is lower than the top of the roller 211, and the roller conveyor 2 lifts the goods, and the roller conveyor 2 runs to push the goods away from above the second platform 8, and the roller conveyor 2 sends the goods to the unloading area, and the second infrared sensor 811 is not shielded by the goods, and another lifting slide 42 drives the second platform 8 to ascend close to the fork 7, so that the second platform 8 can carry the next goods; after the second platform 8 places the goods on the roller conveyor 2, the second platform 8 can be close to the fork 7 to carry the next goods, reducing the steps of the stacking machine going to the unloading area to place the goods, and further improving the efficiency of the stacking machine transferring the goods to the unloading area.

[0062] The utility model provides a kind of stacking machine, advancing mechanism is close to the column where the goods area is placed on shelf on track sliding, one lifting mechanism drives first platform to be close to goods area, telescopic mechanism drives fork to enter goods area, so that two fork arms lift the goods in goods area, telescopic mechanism drives fork to carry goods and moves to above second platform;Another lifting mechanism drives second platform to be close to fork, so that fork arm sinks into slot, the top of fork arm is lower than partition plate, and partition plate lifts the goods, the output shaft of cylinder pushes away from bearing plate, so that fork arm is extracted from the bottom of goods, another lifting mechanism drives second platform to descend close to roller conveyor, the output shaft of cylinder pulls reset, and it is completed to transfer goods to second platform, and go to next goods area;

[0063] Partition plate sinks into the gap on roller conveyor, so that the top of the partition plate is lower than the top of the roller of the roller conveyor, and the roller conveyor lifts the goods, and the roller conveyor drives the goods towards the unloading area, and after the goods are away from above the second platform, another lifting mechanism drives the second platform to be close to the fork to receive the next goods;

[0064] Fork places goods on second platform, and the goods are placed on roller conveyor by second platform, reducing the steps of fork needing to descend to place goods, and improving the efficiency of the stacking machine extracting goods from the shelf;Second platform places goods on roller conveyor, and the goods are transferred to the unloading area by roller conveyor, reducing the steps of the stacking machine needing to go to the unloading area to place the goods, and further improving the efficiency of the stacking machine transferring the goods to the unloading area.

[0065] Finally, it should be noted that the above examples are used to illustrate the technical solutions of the utility model, and are not limited to the scope of protection of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the essence and scope of the technical solutions of the utility model.

Claims

1. A palletizer characterized by, Including track, one end of the track is provided with unloading area, further including travel mechanism and drum conveyor belt; The travel mechanism is in sliding connection with the track, two lifting mechanisms are arranged on the travel mechanism, a first platform and a second platform are in sliding connection with the two lifting mechanisms respectively, and the first platform is located above the second platform; The first platform is provided with an extension mechanism, and a fork is connected to the extension mechanism; The fork includes a bearing plate, a link plate is in sliding connection with the bearing plate, a cylinder is fixedly connected to the fork, an output shaft of the cylinder is fixedly connected with the link plate, a fork arm is arranged at the bottom of the link plate, and the cylinder pushes the link plate away from the bearing plate; The second platform is a hollow square frame structure, a plurality of interval arranged partition plates are fixedly connected in the second platform, and a slot is arranged on the second platform and located below the fork arm; A plurality of interval arranged notches are arranged on the drum conveyor belt, the drum conveyor belt is located below the second platform, and the drum conveyor belt and the track are parallel to each other.

2. A palletizer as in claim 1, wherein, Two light rods are arranged on the link plate, the light rods are in sliding connection with the bearing plate, the fork arm is two, two interval arranged linkers are fixedly connected to the bottom of the link plate, and the fork arm is fixedly connected with the linker.

3. A palletizer as in claim 2, wherein, Three interval arranged connecting plates are fixedly connected to the bearing plate, an installation plate is fixedly connected to the end of the connecting plate, one end of the cylinder is fixedly connected with the bearing plate, the other end of the cylinder is fixedly connected with the installation plate, a baffle is fixedly connected to the bottom of the bearing plate, and the baffle is close to the link plate.

4. A palletizer as in claim 3, wherein, A first infrared sensor is fixedly connected to the installation plate, the first infrared sensor faces between the two fork arms, a second infrared sensor is arranged on the outside of the second platform and faces above the second platform.

5. A palletizer as in claim 4, wherein, The extension mechanism includes a first rack, a first support, a sliding plate, two second supports and a third rack, the first rack and the first support are fixedly connected with the first platform, the sliding plate is in sliding connection with the fork support, a second rack is fixedly connected to the sliding plate, a first gear is rotatably connected to the sliding plate, the second support is in sliding connection with the sliding plate, two second supports are respectively fixedly connected with two connecting plates, the third rack is fixedly connected with the other connecting plate, the first rack and the third rack are in matched connection with the first gear, and a driving assembly is arranged on the first platform and connected with the second rack.

6. A palletizer as in claim 5, wherein, The driving assembly includes a driving motor, a second gear and a transmission belt, the driving motor is fixedly connected with the first platform, the second gear is rotatably connected with the first platform, a pulley is fixedly connected to the output shaft of the driving motor and the second gear, and the transmission belt is sleeved on the two pulleys.

7. A palletizer according to claim 6, wherein, The lifting mechanism comprises a stand, a lifting motor and a chain, the stand is connected with the traveling mechanism, a first ratchet wheel is rotatably connected to the stand, the lifting motor is connected with the traveling mechanism, a second ratchet wheel is fixedly connected to an output shaft of the lifting motor, the chain is sleeved on the first ratchet wheel and the second ratchet wheel, lifting sliding seats are slidably connected to the stand, and the chain is fixedly connected with the lifting sliding seats.

8. A palletizer according to claim 7, wherein, The traveling mechanism comprises a traveling sliding seat and two traveling motors, the traveling sliding seat is arranged above the track, two traveling wheels are rotatably connected in the traveling sliding seat, the traveling wheels are in contact with the track, the traveling motors are fixedly connected with the traveling sliding seat, output shafts of the traveling motors are fixedly connected with the traveling wheels, the stand is fixedly connected with the traveling sliding seat, and the lifting motor is fixedly connected with the traveling sliding seat.

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