CN112478830A

CN112478830A - Logistics unloading and stacking integrated device

Info

Publication number: CN112478830A
Application number: CN202011424077.3A
Authority: CN
Inventors: 白四春; 李小兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-03-12

Abstract

The invention relates to logistics transportation equipment, in particular to a logistics unloading and stacking integrated device, which comprises a supporting piece, wherein a lifting piece is vertically and slidably arranged on one side of the supporting piece through a lifting assembly, and a bearing plate is horizontally and swingably arranged above the lifting piece; the bearing plate is connected with the lifting piece through a movable arm group, and the movable arm group is connected with the lifting assembly through a transmission assembly; a pushing piece is arranged on the bearing plate; the lifting assembly works to drive the lifting piece to slowly move along the vertical direction, the bearing plate, the pushing piece, the movable arm group and the meshing mechanism are driven to lift while the lifting piece moves, and the movable arm group is driven to swing through the transmission assembly so as to drive the bearing plate to swing for secondary lifting; in addition, the gear mechanism is driven to act in the swinging process of the movable arm group, so that the pushing member is driven to horizontally move on the bearing plate, the goods placed on the bearing plate are stacked, and the self-descending type unloading and stacking effect is achieved.

Description

Logistics unloading and stacking integrated device

Technical Field

The invention relates to logistics transportation equipment, in particular to a logistics unloading and stacking integrated device.

Background

The stream modernization is closely related to the economic development level, the development of the current stream industry is not mature, and the problems of weakness, looseness and slow speed still exist.

During the logistics transportation process, goods need to be loaded on the carriage continuously, and the goods need to be unloaded from the carriage continuously and stacked orderly. After the goods are transported to a destination by the vehicle, because the carriage is high, when unloading, one person is required to stand in the carriage, the other person stands under the carriage, the people on the carriage take the goods out of the carriage and transfer the goods to the people under the carriage, and the people under the carriage stack the goods on the ground.

At present, in the aspect of cargo unloading, the unloading is still mainly completed by manpower, the working efficiency is low, the speed of bending back and forth to take the cargo is low, the labor capacity is large, and the unloading is not favorable for quick unloading.

Disclosure of Invention

The invention aims to provide a logistics unloading and stacking integrated device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a logistics unloading and stacking integrated device comprises a base and a supporting piece fixedly mounted on the base, wherein a lifting piece is vertically and slidably arranged on one side of the supporting piece through a lifting assembly, and a bearing plate for bearing cargos is horizontally and swingably arranged above the lifting piece;

the bearing plate is connected with the lifting piece through a movable arm group, and the movable arm group is connected with the lifting assembly through a transmission assembly; a pushing piece used for pushing goods to be unloaded from the bearing plate is horizontally and movably arranged on the bearing plate, and the pushing piece is connected with the movable arm group through a meshing mechanism;

when the bearing plate horizontally swings, the pushing piece is driven to horizontally move on the bearing plate through the meshing mechanism; the movable arm group comprises a first swing arm and a second swing arm, a mounting seat parallel to the bearing plate is fixed on the lifting piece, one end of the first swing arm is hinged with the lifting piece, and the other end of the first swing arm is hinged with the bearing plate; one end of the second swing arm is hinged to the mounting seat, the other end of the second swing arm is hinged to the bearing plate, and the bearing plate, the first swing arm, the mounting seat and the second swing arm are encircled to form a parallelogram.

As a further scheme of the invention: the lifting assembly comprises a power device arranged below the lifting piece, a screw rod vertically and rotatably arranged on the lifting piece and connected with the output end of the power device, and a threaded sleeve fixed on the supporting piece and in threaded connection with the screw rod;

and a sliding structure used for restricting the movement direction of the lifting piece is also arranged between the lifting piece and the supporting piece.

As a still further scheme of the invention: the sliding structure comprises a cross beam horizontally fixed on the side wall of the lifting piece, a sliding block vertically arranged on the side wall of the supporting piece in a sliding mode and fixed with the cross beam, and a sliding groove which is arranged on the side wall of the supporting piece in the vertical direction and is embedded with the sliding block in a sliding mode.

As a still further scheme of the invention: the transmission assembly comprises a rotary table, a bevel gear set and a first transmission piece, wherein the rotary table is rotatably installed on the upper portion of the lifting piece and is connected with the first swing arm through an embedded structure, the bevel gear set is connected with the upper portion of the screw rod, and the first transmission piece is connected with the rotary table and the bevel gear set.

As a still further scheme of the invention: the embedded structure comprises an embedded column fixed on the outer edge of the rotary table and an embedded groove arranged on the embedded column along the axis of the first swing arm, and the embedded column is embedded in the embedded groove in a sliding manner;

the bevel gear set comprises a first bevel gear fixed in the center of the top of the screw rod and a second bevel gear rotatably mounted on the lifting piece and meshed with the first bevel gear, and the first transmission piece is connected with the second bevel gear and the rotary table.

As a still further scheme of the invention: the meshing mechanism comprises a spur rack vertically and movably arranged on the lifting piece, a gear which is rotatably arranged on the lifting piece and is meshed with the spur rack, and a chain pushing structure which is arranged below the bearing plate and is connected with the gear through a wheel set rotating structure, wherein the chain pushing structure is connected with the pushing piece;

the straight rack passes through the slider-crank structure with the second swing arm is connected, drive through the slider-crank structure during first swing arm and the swing of second swing arm the vertical motion of straight rack.

As a still further scheme of the invention: the crank sliding block structure comprises a sliding rod vertically fixed on the supporting piece, a sliding piece arranged on the sliding rod in a sliding mode, and a connecting rod used for connecting the sliding piece with the second swing arm;

the straight rack is fixed on the sliding part, and two ends of the connecting rod are respectively pivoted with the sliding part and the second swing arm.

As a still further scheme of the invention: the wheel set rotating structure comprises a driving wheel and a driven wheel, the driving wheel is rotatably installed at the hinge center of the mounting seat and the second swing arm, and the driven wheel is rotatably installed at the hinge center of the second swing arm and the bearing plate;

the driving wheel is connected with the gear through a second transmission piece, the driven wheel is connected with the driving wheel through a third transmission piece, and the chain pushing structure is connected with the driven wheel.

As a still further scheme of the invention: the chain pushing structure comprises two chain wheels which are arranged below the bearing plate in an equal-height rotating mode and a chain for connecting the two chain wheels;

one chain wheel is connected with the driven wheel through a fourth transmission piece, a dragging piece is fixed on the chain, and the dragging piece is fixed with the lower portion of the pushing piece.

As a still further scheme of the invention: the bearing plate is provided with a through groove for the pushing member to pass through, two side walls of the through groove are provided with guide grooves, and two side walls of the pushing member are provided with protrusions in sliding fit with the guide grooves.

Compared with the prior art, the invention has the beneficial effects that: the lifting component works to drive the lifting component to slowly move along the vertical direction, the bearing plate, the pushing component, the movable arm group and the meshing mechanism are driven to lift along with the movement of the lifting component, and the transmission component drives the movable arm group to swing so as to drive the bearing plate to swing for secondary lifting; in addition, the gear mechanism is driven to act in the swinging process of the movable arm group, so that the pushing member is driven to horizontally move on the bearing plate, the goods placed on the bearing plate are stacked, and the self-descending type unloading and stacking effect is achieved.

Drawings

Fig. 1 is a structural schematic diagram of the logistics unloading and stacking integrated device.

Fig. 2 is a schematic structural diagram of a bearing plate, a pushing member and a guide groove in the logistics unloading and stacking integrated device.

Fig. 3 is a partial enlarged view of a wheel set rotating structure and a chain pushing structure in the logistics unloading and stacking integrated device.

Fig. 4 is a schematic structural diagram of a supporting member, a sliding chute and a sliding block in the integrated logistics unloading and stacking device.

In the figure: 1-a base; 2-a support; 3-a lifting member; 4-bearing plate; 5-a power plant; 6-a screw rod; 7-a thread sleeve; 8-a first bevel gear; 9-a second bevel gear; 10-a transmission member; 11-a turntable; 12-a fitted column; 13-a first swing arm; 14-caulking groove; 15-a second swing arm; 16-a connecting rod; 17-a slide; 18-a slide bar; 19-spur rack; 20-a gear; 21-transmission part number two; 22-a driving wheel; 23-transmission part number three; 24-a driven wheel; 25-transmission part number four; 26-a sprocket; 27-a chain; 28-a pusher; 29-a cross beam; 30-a slide block; 31-chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1 to 4, in the embodiment of the invention, a logistics unloading and stacking integrated device comprises a base 1 and a support member 2 fixedly installed on the base 1, wherein a lifting member 3 is vertically and slidably arranged on one side of the support member 2 through a lifting assembly, and a bearing plate 4 for bearing goods is horizontally and swingably arranged above the lifting member 3; in detail, the bearing plate 4 is connected with the lifting piece 3 through a movable arm group, and the movable arm group is connected with the lifting assembly through a transmission assembly; a pushing piece 28 used for pushing goods to be unloaded from the bearing plate 4 is horizontally and movably arranged on the bearing plate 4, and the pushing piece 28 is connected with the movable arm group through a meshing mechanism; specifically, when the bearing plate 4 swings horizontally, the pushing member 28 is driven by the meshing mechanism to move horizontally on the bearing plate 4; the movable arm group comprises a first swing arm 13 and a second swing arm 15, a mounting seat parallel to the bearing plate 4 is fixed on the lifting piece 3, one end of the first swing arm 13 is hinged with the lifting piece 3, and the other end of the first swing arm is hinged with the bearing plate 4; one end of the second swing arm 15 is hinged to the mounting seat, the other end of the second swing arm is hinged to the bearing plate 4, and the bearing plate 4, the first swing arm 13, the mounting seat and the second swing arm 15 form a parallelogram in a surrounding mode.

In the embodiment of the invention, the lifting component works to drive the lifting component 3 to slowly move along the vertical direction, the lifting component 3 drives the bearing plate 4, the pushing component 28, the movable arm group and the meshing mechanism to lift along with the movement, and the transmission component drives the movable arm group to swing, so that the bearing plate 4 is driven to swing and lift for the second time; in addition, the gear mechanism is driven to act in the swinging process of the movable arm group, so that the pushing member 28 is driven to horizontally move on the bearing plate 4, the goods placed on the bearing plate 4 are stacked, and the self-descending unloading effect is achieved.

In the embodiment of the present invention, the supporting member 2 is a vertical plate-shaped object, and a reinforcing rib is further disposed at a connection position of the base 1 and the supporting member 2, and the reinforcing rib is fixed on one side of the supporting member 2 opposite to the lifting member 3.

In the embodiment of the invention, the reinforcing ribs can provide enough supporting force for the supporting part 2, and the reinforcing ribs are far away from the lifting part 3 to play a role of force balance and prevent the supporting part 2 from yielding and bending under force.

As an embodiment of the present invention, the lifting assembly includes a power device 5 installed below the lifting member 3, a screw rod 6 vertically and rotatably installed on the lifting member 3 and connected to an output end of the power device 5, and a screw sleeve 7 fixed on the support member 2 and threadedly connected to the screw rod 6;

in order to ensure the stability of the lifting piece 3, a sliding structure for restricting the movement direction of the lifting piece 3 is also arranged between the lifting piece 3 and the supporting piece 2.

In the embodiment of the invention, the power device 5 works to drive the screw rod 6 to rotate, and the rotating screw rod 6 drives the lifting piece 3 to vertically move under the action of the threaded sleeve 7 at the fixed position, so that the bearing plate 4, the pushing piece 28, the movable arm group and the meshing mechanism are driven to lift.

In the present embodiment, the power device 5 includes, but is not limited to, a servo motor, a hydraulic motor, a pneumatic motor, and other conventional power devices.

As an embodiment of the present invention, the sliding structure includes a cross beam 29 horizontally fixed on the side wall of the lifting member 3, a sliding block 30 vertically slidably disposed on the side wall of the supporting member 2 and fixed with the cross beam 29, and a sliding groove 31 vertically opened on the side wall of the supporting member 2 and slidably fitted with the sliding block 30.

In the embodiment of the invention, the sliding block 30 is vertically and slidably matched with the sliding groove 31, so that the cross beam 29 can only move up and down along the vertical direction, the motion track of the lifting piece 3 is restricted, and the vertical lifting stability of the lifting piece 3 is improved.

In the present embodiment, the cross beam 29 is fixed to the lifter 3 and the slider 30 by bolting, riveting or welding.

As an embodiment of the present invention, the transmission assembly includes a rotary table 11 rotatably installed on the upper portion of the lifting member 3 and connected to the first swing arm 13 through an engagement structure, a bevel gear set connected to the upper portion of the screw rod 6, and a first transmission member 10 connecting the rotary table 11 and the bevel gear set;

in order to improve the rotation coaxiality of the screw rod 6, a shaft sleeve which is rotatably sleeved with the upper part of the screw rod 6 is fixed on the lifting piece 3.

In the embodiment of the invention, the rotating screw rod 6 is used for driving the bevel gear set to rotate, the bevel gear set drives the rotating disc 11 to rotate through the first driving piece 10, and then the embedding structure is matched for driving the first swing arm 13 to swing back and forth, and the bearing plate 4, the first swing arm 13, the mounting seat and the second swing arm 15 enclose a parallelogram, so that the bearing plate 4 can swing up and down in the process of the back and forth swing of the first swing arm 13, and is always kept horizontal in the process of the swing up and down, and the goods are prevented from inclining and sliding out from the bearing plate 4.

In the present embodiment, the transmission member number one 10 includes, but is not limited to, a conventional toothed belt, a V-belt, a flat belt, and the like.

As an embodiment of the present invention, the fitting structure includes a fitting column 12 fixed on the outer edge of the rotary table 11 and a caulking groove 14 opened on the first swing arm 13 along the axis, the fitting column 12 is slidably fitted in the caulking groove 14;

in addition, the bevel gear set comprises a first bevel gear 8 fixed at the center of the top of the screw rod 6 and a second bevel gear 9 rotatably mounted on the lifting member 3 and meshed with the first bevel gear 8, and the first transmission member 10 is connected with the second bevel gear 9 and the rotary table 11.

In the embodiment of the invention, the first bevel gear 8 is driven to synchronously rotate along with the rotation of the screw rod 6, the first bevel gear 8 which synchronously rotates drives the second bevel gear 9 to rotate, the first transmission piece 10 is utilized to drive the rotary table 11 to rotate, and finally the embedded column 12 is driven to do circular motion, the embedded column 12 which does circular motion drives the first swing arm 13 to swing back and forth, so that the bearing plate 4 can lift and swing, goods on a carriage can be horizontally placed on the bearing plate 4, and the goods are conveyed to the tail of the vehicle from the carriage in a swinging mode when the bearing plate 4 swings downwards.

As an embodiment of the present invention, the meshing mechanism includes a spur rack 19 vertically and movably disposed on the lifting member 3, a gear 20 rotatably mounted on the lifting member 3 and engaged with the spur rack 19, and a chain pushing structure mounted below the receiving plate 4 and connected to the gear 20 through a wheel set rotating structure, the chain pushing structure being connected to the pushing member 28;

it should be noted that the spur rack 19 is connected with the second swing arm 15 through a slider-crank structure, and the first swing arm 13 and the second swing arm 15 drive the spur rack 19 to vertically move through the slider-crank structure when swinging.

In the embodiment of the invention, when the first swing arm 13 and the second swing arm 15 swing, the spur rack 19 is driven by the crank-slider structure to move vertically, the spur rack 19 moving vertically drives the gear 20 to rotate, the rotating gear 20 drives the chain pushing structure to move through the wheel set rotating structure, and the chain pushing structure drives the pushing member 28 to move horizontally on the bearing plate 4;

when the first swing arm 13 and the second swing arm 15 swing to send the bearing plate 4 to the highest point in the carriage, the pushing member 28 moves to one side far away from the supporting member 2, at the moment, goods in the carriage can be placed on the bearing plate 4, then the first swing arm 13 and the second swing arm 15 swing to send the bearing plate 4 to the lowest point outside the carriage, and in the process, the goods on the bearing plate 4 are unloaded through the pushing member 28, so that the automatic unloading and stacking functions are realized.

In the embodiment of the present invention, the gear 20 is rotatably mounted on a bracket, and the bracket is fixedly connected with the lifting member 3 through a hexagon bolt.

As an embodiment of the present invention, the crank-slider structure comprises a slide bar 18 vertically fixed on the support 2, a slide member 17 slidably disposed on the slide bar 18, and a connecting rod 16 for connecting the slide member 17 with the second swing arm 15;

the spur rack 19 is fixed on the sliding part 17, and two ends of the connecting rod 16 are respectively pivoted with the sliding part 17 and the second swing arm 15.

In the embodiment of the invention, the second swing arm 15 swings to drive the connecting rod 16 to drive the sliding piece 17 to vertically slide along the sliding rod 18, so as to drive the spur rack 19 to follow the vertical motion, and further drive the gear 20 to rotate.

In the embodiment of the present invention, the sliding member 17 is a plate-shaped object, one side of which is in sliding fit with the supporting member 2, and the sliding member 17 is provided with a through hole which is vertically penetrated and used for being matched with the sliding rod 18; since one side of the slider 17 is in sliding engagement with the support 2, it does not turn over during the vertical movement.

As an embodiment of the present invention, the wheel set rotating structure includes a driving wheel 22 rotatably mounted at the hinge center of the mounting seat and the second swing arm 15, and a driven wheel 24 rotatably mounted at the hinge center of the second swing arm 15 and the bearing plate 4;

the driving wheel 22 is connected with the gear 20 through a second transmission piece 21, the driven wheel 24 is connected with the driving wheel 22 through a third transmission piece 23, and the chain pushing structure is connected with the driven wheel 24.

In the embodiment of the present invention, when the gear 20 rotates, the driving wheel 22 is driven to rotate by the second transmission member 21, the rotating driving wheel 22 drives the driven wheel 24 to rotate by the third transmission member 23, and finally the driven wheel 24 drives the chain pushing structure to move.

As an embodiment of the present invention, the chain pushing structure comprises two chain wheels 26 mounted below the bearing plate 4 in a manner of equal height rotation and a chain 27 for connecting the two chain wheels 26;

one of the sprockets 26 is connected to the driven wheel 24 via a fourth transmission element 25, and a driving element is fixed to the chain 27 and to the lower part of the pushing element 28.

In the embodiment of the invention, the rotation of the driven wheel 24 drives one of the chain wheels 26 to rotate by means of the transmission member 25 with four numbers, and the chain wheel 26 drives the chain 27 to run by cooperating with the other chain wheel 26, and finally drives the dragging member and the pushing member 28 to move horizontally on the bearing plate 4.

In the embodiment of the present invention, in order to improve the motion stability of the pushing member 28, a through groove for the pushing member 28 to pass through is formed on the receiving plate 4, guide grooves are formed on two side walls of the through groove, and protrusions which are in sliding fit with the guide grooves are formed on two side walls of the pushing member 28.

The motion route of the pushing member 28 is constrained by the sliding fit of the protrusions and the guide grooves, so that the pushing member can only move along the horizontal direction, and the pulling member is driven to move when the chain 27 runs, so that the pushing member 28 is driven to run stably.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A logistics unloading and stacking integrated device comprises a base (1) and a supporting piece (2) fixedly installed on the base (1), and is characterized in that a lifting piece (3) is vertically and slidably arranged on one side of the supporting piece (2) through a lifting assembly, and a bearing plate (4) used for bearing cargos is horizontally arranged above the lifting piece (3) in a swinging mode;

the bearing plate (4) is connected with the lifting piece (3) through a movable arm group, and the movable arm group is connected with the lifting assembly through a transmission assembly; a pushing piece (28) used for pushing goods to be unloaded from the bearing plate (4) is horizontally and movably mounted on the bearing plate (4), and the pushing piece (28) is connected with the movable arm group through a meshing mechanism;

when the bearing plate (4) horizontally swings, the pushing piece (28) is driven by the meshing mechanism to horizontally move on the bearing plate (4); the movable arm group comprises a first swing arm (13) and a second swing arm (15), a mounting seat parallel to the bearing plate (4) is fixed on the lifting piece (3), one end of the first swing arm (13) is hinged with the lifting piece (3), and the other end of the first swing arm is hinged with the bearing plate (4); one end of the second swing arm (15) is hinged to the mounting seat, the other end of the second swing arm is hinged to the bearing plate (4), and the bearing plate (4), the first swing arm (13), the mounting seat and the second swing arm (15) are encircled to form a parallelogram.

2. A logistics unloading and stacking integrated device according to claim 1, wherein the lifting assembly comprises a power device (5) arranged below the lifting member (3), a screw rod (6) vertically and rotatably arranged on the lifting member (3) and connected with the output end of the power device (5), and a screw sleeve (7) fixed on the support member (2) and in threaded connection with the screw rod (6);

a sliding structure used for restricting the movement direction of the lifting piece (3) is also arranged between the lifting piece (3) and the supporting piece (2).

3. A logistics unloading and stacking integrated device according to claim 2, wherein the sliding structure comprises a cross beam (29) horizontally fixed on the side wall of the lifting member (3), a sliding block (30) vertically slidably arranged on the side wall of the supporting member (2) and fixed with the cross beam (29), and a sliding chute (31) vertically arranged on the side wall of the supporting member (2) and slidably embedded with the sliding block (30).

4. A logistics unloading and stacking integrated device according to claim 2, wherein the transmission assembly comprises a rotary table (11) which is rotatably installed at the upper part of the lifting member (3) and is connected with the first swing arm (13) through a jogged structure, a bevel gear set which is connected with the upper part of the screw rod (6), and a first transmission member (10) which is connected with the rotary table (11) and the bevel gear set.

5. A logistics unloading and stacking integrated device according to claim 4, wherein the embedding structure comprises an embedding column (12) fixed on the outer edge of the rotary table (11) and an embedding groove (14) formed in the first swing arm (13) along the axis, and the embedding column (12) is slidably embedded in the embedding groove (14);

the bevel gear set comprises a first bevel gear (8) fixed at the center of the top of the screw rod (6) and a second bevel gear (9) rotatably installed on the lifting piece (3) and meshed with the first bevel gear (8), and the first transmission piece (10) is connected with the second bevel gear (9) and the turntable (11).

6. A logistics unloading and stacking integrated device according to claim 4, wherein the meshing mechanism comprises a spur rack (19) vertically and movably arranged on the lifting member (3), a gear (20) rotatably arranged on the lifting member (3) and meshed with the spur rack (19), and a chain pushing structure arranged below the bearing plate (4) and connected with the gear (20) through a wheel set rotating structure, and the chain pushing structure is connected with the pushing member (28);

the straight rack (19) is connected with the second swing arm (15) through a crank block structure, and the first swing arm (13) and the second swing arm (15) are driven to vertically move through the crank block structure during swinging.

7. A logistics unloading and palletizing integrated device according to claim 6, wherein the crank-slider structure comprises a slide bar (18) vertically fixed on the support (2), a slide member (17) slidably arranged on the slide bar (18), and a connecting rod (16) for connecting the slide member (17) with the second swing arm (15);

the straight rack (19) is fixed on the sliding part (17), and two ends of the connecting rod (16) are respectively pivoted with the sliding part (17) and the second swing arm (15).

8. A logistics unloading and palletizing integrated device according to claim 6, wherein the wheel set rotating structure comprises a driving wheel (22) rotatably installed at the hinge center of the mounting seat and the second swing arm (15) and a driven wheel (24) rotatably installed at the hinge center of the second swing arm (15) and the bearing plate (4);

the driving wheel (22) is connected with the gear (20) through a second transmission piece (21), the driven wheel (24) is connected with the driving wheel (22) through a third transmission piece (23), and the chain pushing structure is connected with the driven wheel (24).

9. A logistics unloading and palletizing integrated device according to claim 8, wherein the chain pushing structure comprises two chain wheels (26) which are mounted under the bearing plate (4) in a manner of being equal in height and rotating and a chain (27) for connecting the two chain wheels (26);

one chain wheel (26) is connected with the driven wheel (24) through a fourth transmission piece (25), a dragging piece is fixed on the chain (27), and the dragging piece is fixed with the lower part of the pushing piece (28).

10. A logistics unloading and stacking integrated device according to claim 9, wherein a through groove for the pushing member (28) to pass through is formed in the receiving plate (4), guide grooves are formed in two side walls of the through groove, and protrusions which are in sliding fit with the guide grooves are formed in the two side walls of the pushing member (28).