CN221419937U - Whole-layer unstacking lifting mechanism - Google Patents

Abstract

The application discloses a whole-layer unstacking and lifting mechanism, which relates to the field of unstacking machines and solves the problems of long working time and low working efficiency of mechanical hands, and the whole-layer unstacking and lifting mechanism comprises a frame, a mechanical hand for grabbing bags, a connecting frame for sliding connection of the mechanical hand, a control piece for driving the mechanical hand to slide, a lifting plate for placing the bags and a lifting assembly for controlling the lifting plate to move; one side of the connecting frame is positioned in the frame so as to grasp the bag by using the manipulator; the control piece is arranged on the manipulator; the lifting assembly comprises a lifting motor arranged on the frame, two rotating rods rotatably connected with the frame, driving chain wheels arranged at two ends of the rotating rods, four driven chain wheels rotatably connected with the frame, and four connecting chains meshed with the driving chain wheels and the driven chain wheels, wherein a motor shaft of the lifting motor is connected with the rotating rods, and a transmission part is arranged between the two rotating rods; the four connecting chains are respectively connected with the lifting plate, and the lifting plate moves up and down through the connecting chains and the driving sprocket and the driven sprocket.

Description

Whole-layer unstacking lifting mechanism

Technical Field

The application relates to the field of bale openers, in particular to a whole-layer unstacking lifting mechanism.

Background

At present, many powder materials, granule materials and the like used for processing mainly exist in the form of bags, and when in transportation, the bags are orderly stacked on a tray layer by layer, and at the moment, the bags are in a stack form. In an automated production line, a manipulator is generally used to grasp each layer of bags for a stack of bags and then transport the bags to a designated processing location.

The whole-layer unstacking device in the related art comprises a frame and a manipulator for grabbing bags, wherein the manipulator is slidably arranged on the frame. In addition, the bags are stacked on the tray in a stack mode, the tray and the bags located on the tray are conveyed into the rack by using a forklift and placed on the ground by the tray, the bags on the tray are located below the manipulator, then the manipulator is moved to the position above the bags, the manipulator is controlled to grasp the bags of each layer, finally the manipulator is moved to drive the bags to move, and the bags are transported to a designated processing position or processing equipment.

In view of the above-mentioned related art, the inventors have found that there is at least a problem in this technology that bags are placed on a tray in a stack, the height position of each layer of bags is fixed, and a manipulator needs to perform a movement in the horizontal-vertical direction each time it grips a layer of bags, so as to grip and convey the bags to a designated processing position; and repeating the above actions to continuously convey the next layer of bags, and performing reciprocating motion until the bags on the tray are conveyed, wherein in the whole transportation process, the manipulator consumes long time and has low working efficiency.

Disclosure of utility model

In order to solve the problems of long time consumption and low working efficiency of a mechanical arm, the application provides a whole-layer unstacking and lifting mechanism.

The application provides a whole-layer unstacking and lifting mechanism, which adopts the following technical scheme:

The whole-layer unstacking and lifting mechanism comprises a frame, a manipulator for grabbing bags of each layer, a connecting frame for horizontally sliding and connecting the manipulator, a control piece for driving the manipulator to slide, a lifting plate for placing the bags, and a lifting assembly for controlling the lifting plate to move up and down; one side of the connecting frame is positioned in the frame so as to grasp the bag by using the manipulator; the control piece is arranged on the manipulator; the rack is provided with a placing rack for placing the lifting plate, and the placing rack is positioned near the bottom of the rack; the lifting assembly comprises a lifting motor arranged on the frame, two rotating rods rotatably connected with the frame, driving chain wheels arranged at two ends of the rotating rods, four driven chain wheels rotatably connected with the frame, and four connecting chains meshed with the driving chain wheels and the driven chain wheels, wherein a motor shaft of the lifting motor is connected with one of the rotating rods, and a transmission part is arranged between the two rotating rods; the four connecting chains are respectively connected with the lifting plate, and the lifting plate moves up and down through the connecting chains, the driving chain wheel and the driven chain wheel.

By adopting the technical scheme, during processing, the lifting plate is positioned at the position of the placing frame, so that the tray with bags in the whole stack is placed on the lifting plate; after the tray is placed on the lifting plate, the driving sprocket and the driven sprocket are driven by the lifting motor, and the connecting chain is used for transmission, so that the connecting chain drives the lifting plate to move upwards to the height position where the manipulator can grasp the bag, the lifting motor is suspended to work, and meanwhile, the manipulator is driven by the control piece to move horizontally to the position right above the bag; and then the manipulator grabs the bags to convey the bags to a specified processing position along the horizontal direction. When the manipulator grabs the bag and moves to the position that the manipulator is not right above the bag, the lifting motor is driven to continue to work, so that the lifting plate moves upwards to the position where the next layer of bag can be grabbed by the manipulator, after the standby manipulator sends the previous layer of bag to the appointed processing position, the manipulator moves horizontally to the position right above the bag, so that the bag can be conveniently and directly grabbed, and the like, and each layer of bag on the tray is transported to the processing position. In the whole conveying process, the lifting plate is utilized to move upwards to drive each layer of bags on the tray to move upwards to a height position where the bags can be grabbed by the manipulator, the manipulator only needs to move horizontally, and can grab each layer of bags for conveying without moving in the vertical direction, so that the working time of the manipulator is saved, and the problems of long time consumed by the manipulator and low working efficiency are solved.

Optionally, the rack comprises four support columns arranged at intervals along the vertical direction, one support column is installed corresponding to one connecting chain, and the interior of the support column is hollow, so that the connecting chain is completely contained in the support column; in addition, the support column has seted up the through-hole along the length direction of support column, one side of support column can be dismantled and be connected with the guard plate that is used for sheltering from the through-hole.

By adopting the technical scheme, when in installation, the connecting chain is conveniently installed in the support column through the through hole; in addition, the support column is located the through hole and can be dismantled and be connected with the guard plate, can also protect the connection chain of installing in the support column.

Optionally, leave between guard plate and the support column and be equipped with the passageway of stepping down, the lifter plate is provided with upper and lower sliding connection in the connecting plate of passageway of stepping down, the connecting plate can be dismantled with the connection chain and be connected.

Through adopting above-mentioned technical scheme, realize the connection of lifter plate and connecting chain through the connecting plate to utilize connecting chain to drive the lifter plate and upwards or move down.

Optionally, the driving medium includes two drive sprocket, meshing connect in the drive chain of two drive sprocket, two drive sprocket sets up respectively in the dwang, two drive sprocket is located drive chain's both ends.

Through adopting above-mentioned technical scheme, utilize two drive sprocket and drive chain, the drive is located the dwang that keeps away from elevator motor and takes place to rotate to drive sprocket and driven sprocket and the connection chain that are located on the dwang that keeps away from elevator motor take place the transmission, guarantee the lifter plate then can steadily upwards or move down.

Optionally, the rack comprises a mounting plate for rotationally connecting the rotating rod, a tensioning assembly is arranged between the mounting plate and the transmission chain, and the tensioning assembly comprises a fixed plate arranged on the mounting plate, a first sprocket rotationally connected with the mounting plate and the fixed plate, a second sprocket slidably connected with the mounting plate and the fixed plate, and a locking piece for locking the second sprocket; the first chain wheel and the second chain wheel are positioned between the fixed plate and the mounting plate, the first chain wheel and the second chain wheel are arranged at intervals along the length direction of the mounting plate, the second chain wheel is positioned above the first chain wheel, and the sliding direction of the second chain wheel is arranged along the length direction parallel to the mounting plate; the locking parts are at least two and are respectively positioned on the mounting plate and the fixing plate.

Through adopting above-mentioned technical scheme, set up tensioning assembly between two dwang, mainly be used for adjusting drive chain's rate of tension for drive chain keeps appropriate rate of tension in the transmission process, in order to ensure driven reliability and stability.

Optionally, the second sprocket is fixed with the rotary rod coaxially, the locking piece is including setting up in the regulation locking lever at rotary rod both ends, threaded connection in two fixation nuts of regulation locking lever, set up in mounting panel or fixed plate's installation piece, the installation piece is worn to locate by the regulation locking lever, during the installation, the installation piece is located between two fixation nuts, the both sides of installation piece respectively with fixation nut butt.

Through adopting above-mentioned technical scheme, after transmission chain's rate of tension is adjusted, wear to locate the installation piece through adjusting the locking lever, then utilize two fixation nuts to lock adjusting the locking lever to lock in fixed plate and mounting panel respectively with the both ends of rotary rod.

Optionally, the connecting plate is provided with the leading wheel of sliding connection and support column inner chamber, the leading wheel holds in the support column completely, the relative both sides inner wall of support column butt respectively in the leading wheel.

Through adopting above-mentioned technical scheme, at the in-process that lifter plate upwards or downwardly moved, utilize the leading wheel to lead to the lifter plate, can improve the stationarity when lifter plate moves.

In summary, the application has the following beneficial effects:

1. During processing, the driving sprocket, the driven sprocket and the connecting chain are driven by the lifting motor, so that the lifting plate moves upwards to drive each layer of bags on the tray to move upwards to a height position where the bags can be grabbed by the manipulator, and meanwhile, the manipulator only needs to move horizontally and does not need to move vertically any more, so that each layer of bags can be grabbed and then conveyed to a designated position, the working time of the manipulator is saved to a great extent, and the problems of long time and low working efficiency of the manipulator are solved;

2. The tensioning degree of the transmission chain is adjusted by the tensioning assembly, so that the transmission chain keeps proper tensioning degree in the transmission process, and the reliability and stability of transmission between the two rotating rods are ensured.

Drawings

FIG. 1 is a schematic view of a support frame and a manipulator and a connecting frame according to the present embodiment of the application;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a schematic view of a partial explosion of the support column and fender of this embodiment of the application;

fig. 4 is an enlarged schematic view at B in fig. 3.

Reference numerals illustrate: 1. a frame; 101. a support column; 1011. a through port; 102. a placing rack; 103. a mounting plate; 104. a connecting block; 2. a manipulator; 21. a mounting frame; 22. a roller; 221. a rolling rod; 3. a connecting frame; 4. a control member; 5. a lifting plate; 51. a connecting plate; 511. a corner plate; 512. a rod; 513. a guide wheel; 6. a lifting assembly; 61. a lifting motor; 62. a rotating lever; 63. a drive sprocket; 64. a driven sprocket; 65. a connecting chain; 7. a transmission member; 71. a drive sprocket; 72. a drive chain; 8. a tensioning assembly; 81. a fixing plate; 82. a first sprocket; 83. a second sprocket; 831. a rotating rod; 9. a locking member; 91. adjusting the lock rod; 911. a connecting ring; 92. a fixing nut; 93. a mounting block; 10. a mounting channel; 11. an adjustment tank; 12. a protection plate; 13. and (5) giving way.

Detailed Description

The application is described in further detail below with reference to fig. 1-4.

The embodiment of the application discloses a whole-layer unstacking and lifting mechanism, which comprises a frame 1 fixed on the ground, a manipulator 2 for grabbing bags on each layer, a connecting frame 3 fixed on the ground, a control piece 4 for driving the manipulator 2 to slide, a lifting plate 5 and a lifting assembly 6 for controlling the lifting plate 5 to move up and down, and is disclosed with reference to fig. 1. The lifting plate 5 is used for placing the tray, and the bags are stacked on the tray.

Referring to fig. 1 and 2, the robot 2 includes a mounting frame 21 slidably coupled to the link frame 3, and a roller 22 mounted to the mounting frame 21. The rollers 22 are four and are respectively arranged at the corners of the mounting frame 21, two rollers 22 are a group and are coaxially fixed with rolling rods 221, and the rollers 22 are slidably connected to the connecting frame 3. The control piece 4 is a driving motor arranged on the mounting frame 21, and a rotating shaft of the driving motor is fixedly connected with a rolling rod 221 positioned close to the frame 1. One side of the connecting frame 3 is positioned in the frame 1, the equipment for processing bags is positioned on one side of the connecting frame 3 far away from the frame 1, and the bags are transported to the processing equipment from the tray by utilizing the horizontal sliding of the manipulator 2.

Referring to fig. 1 and 3, the frame 1 is generally in a truss structure, the frame 1 includes four support columns 101 disposed in a vertical direction, and the bottoms of the support columns 101 are fixed to the ground. The frame 1 is provided with a placing frame 102 for placing the lifting plate 5, the placing frame 102 is of a rectangular structure, the placing frame 102 is positioned at a position, close to the bottom of the supporting columns 101, and four supporting columns 101 are fixedly connected with the placing frame 102 respectively. Initially, the bottom of the lifter plate 5 abuts the top of the rack 102 to support the lifter plate 5.

Referring to fig. 1 and 3, the rack 1 further includes a mounting plate 103 and two connection blocks 104, and both the mounting plate 103 and the connection blocks 104 adopt an "L" type structure. The mounting plate 103 is positioned on one side of the frame 1 far away from the connecting frame 3, and the length direction of the mounting plate 103 is arranged along the horizontal sliding direction perpendicular to the manipulator 2; wherein the tops of two support columns 101 are respectively fixed at two ends of the mounting plate 103, and the tops of the other two support columns 101 are respectively fixed with a connecting block 104.

Referring to fig. 3, the elevation assembly 6 includes an elevation motor 61 provided to the frame 1, two rotation bars 62, a driving sprocket 63 fixed to both ends of the rotation bars 62, a driven sprocket 64 rotatably connected to the support column 101, and four connection chains 65 engaged with the driving sprocket 63 and the driven sprocket 64. Wherein, the lift motor 61 is installed in the position that the support column 101 is close to the mounting plate 103, and the motor shaft of lift motor 61 is fixed with one of the swivelling levers 62 coaxial.

Referring to fig. 3, the rotating rods 62 are in a long cylindrical structure, two rotating rods 62 are respectively located at two sides of the frame 1, and the length directions of the two rotating rods 62 are all set along a horizontal sliding direction parallel to the manipulator 2. The two ends of the rotating rod 62 are respectively connected with the mounting plate 103 and the connecting block 104 in a rotating way through bearing blocks, and the two ends of the rotating rod 62 respectively penetrate through the side wall of the mounting plate 103 and the side wall of the connecting block 104 so as to conveniently mount the driving sprocket 63. The driving sprocket 63 is mounted to the rotating lever 62 by a key connection, and one driving sprocket 63 is mounted corresponding to one support column 101. The driven sprocket 64 is pivotally mounted to the support column 101 by a shaft, and one driven sprocket 64 is mounted to each support column 101.

Referring to fig. 3, a transmission member 7 is provided between the two rotating levers 62 for rotating the rotating lever 62 located away from the elevating motor 61. The rotating member comprises two drive sprockets 71, a drive chain 72 engaged with and connected to the two drive sprockets 71. Wherein two drive sprockets 71 are mounted to one end of the rotating rod 62 near the mounting plate 103, respectively. When the lifting motor 61 is started to drive the rotating rod 62 connected with the motor shaft to rotate, and meanwhile, the two driving sprockets 71 and the driving chain 72 are utilized to drive the rotating rod 62 far away from the lifting motor 61 to rotate, so that four groups of driving sprockets 63 and driven sprockets 64 which are positioned in the same vertical direction and the connecting chain 65 are driven to drive the lifting plate 5 to move upwards or downwards.

Referring to fig. 2, further, a tensioning assembly 8 is provided between the mounting plate 103 and the drive chain 72 for adjusting the tension of the drive chain 72. The tensioning assembly 8 comprises a fixed plate 81 fixed to a mounting plate 103, a first sprocket 82 rotatably connected to the mounting plate 103 and the fixed plate 81, a second sprocket 83 slidably connected to the mounting plate 103 and the fixed plate 81, a locking member 9 for locking the second sprocket 83. The fixing plate 81 is generally in an "L" structure, and the bottom of the fixing plate 81 is fixed to the top of the mounting plate 103 by bolts, so that a mounting channel 10 is formed between the fixing plate 81 and the mounting plate 103.

Referring to fig. 2, the first sprocket 82 and the second sprocket 83 are disposed at intervals along the length direction of the mounting plate 103, and the first sprocket 82 is located at a position below the second sprocket 83. The first sprocket 82 is mounted to the mounting plate 103 and the fixing plate 81 by a shaft connection, and when mounted, the first sprocket 82 is completely accommodated in the mounting channel 10.

Referring to fig. 2, a rotating rod 831 is coaxially fixed to the second sprocket 83, and the mounting plate 103 and the fixing plate 81 are respectively provided with an adjusting groove 11 in which the rotating rod 831 is slidably connected, and both ends of the rotating rod 831 are respectively slidably connected in the adjusting groove 11. The length of both adjustment slots 11 is arranged in a direction parallel to the length of the mounting plate 103. The locking member 9 includes an adjusting locking bar 91 installed at both ends of the rotating lever 831, two fixing nuts 92 screw-coupled to the adjusting locking bar 91, and two mounting blocks 93. One end of the adjusting lock lever 91 is provided with a connecting ring 911 sleeved on the rotating rod 831, and the connecting ring 911 and the rotating rod 831 are fixed in an interference fit manner. One end of the rotating rod 831 locking lever, which is far away from the connecting ring 911, can be penetrated through the mounting block 93, and one adjusting locking lever 91 is mounted corresponding to one mounting block 93. The two mounting blocks 93 are fixed to the outside of the side walls of the fixing plate 81 and the mounting plate 103, respectively. During installation, the side walls of the two fixing nuts 92 are respectively abutted against the two sides of the installation block 93.

Referring to fig. 2 and 3, when the tension of the driving chain 72 needs to be adjusted, the two sets of fixing nuts 92 are unscrewed, the rotating rod 831 is locked in contact, and then the rotating rod 831 is slid along the length direction of the adjusting groove 11, so that the tension of the driving chain 72 can be adjusted; after the adjustment, the two sides of the fixing nut 92 to the mounting block 93 are connected by threads to respectively abut against the side walls of the fixing nut 92, so as to limit the rotation rod 831 in the horizontal direction.

Referring to fig. 3, the support column 101 has a rectangular structure with a hollow interior, four connection chains 65 are respectively located in the inner cavities of the support column 101, and the connection chains 65 completely accommodate the inner cavities of the support column 101. The four connecting chains 65 are respectively connected with the lifting plate 5, and the lifting plate 5 moves up and down through the connecting chains 65, the driving sprocket 63 and the driven sprocket 64. In addition, a through hole 1011 is formed along the length direction of the support column 101 on one side of the support column 101 away from the placement frame 102, and the through hole 1011 is communicated with the inner cavity of the support column 101, so that the connection chain 65 is mounted in the inner cavity of the support column 101. The support column 101 is located the guard plate 12 that is connected with complete drive sprocket 63 and driven sprocket 64 can be dismantled to the department of opening 1011, and guard plate 12 not only can shelter from opening 1011, can also protect drive sprocket 63 and connection chain 65 and driven sprocket 64. The cross section of the protection plate 12 is generally in a 冂 -shaped structure, four protection plates 12 are arranged, and one protection plate 12 is connected corresponding to one support column 101. During installation, the protection plate 12 is detachably connected with the support column 101 through bolts and hardware connectors; at this time, the driving sprocket 63 and the driven sprocket 64 are completely accommodated in the inner cavity of the shielding plate 12.

Referring to fig. 3 and 4, in addition, a relief channel 13 is left between the protection plate 12 and the support column 101, a connection plate 51 penetrating through the relief channel 13 is fixed on the side wall of the lifting plate 5, and the side wall of the connection plate 51 is not in contact with the inner wall of the relief channel 13. The connecting plates 51 are generally L-shaped, and four connecting plates 51 are arranged; the lifting plate 5 is generally in a cuboid structure, and two wide sides of the lifting plate 5 extend towards the supporting columns 101 respectively for the connecting plates 51 to be installed. The side of the connecting plate 51 far away from the lifting plate 5 is detachably connected with the connecting chain 65, so that the lifting plate 5 is driven to move upwards or downwards by the connecting chain 65. Two corner plates 511 are fixed on one connecting plate 51, and the two corner plates 511 are positioned on one side of the connecting plate 51 close to the protection plate 12; two corner plates 511 are disposed at a vertical interval, with one corner plate 511 being located at a position directly above the other corner plate 511. The corner plate 511 is provided with a plug-in rod 512 inserted into the connecting chain 65, and the plug-in rod 512 and the connecting chain 65 are fixed by pin connection.

Referring to fig. 3, two connection chains 65 are located away from the connection frame 3, and the connection plate 51 is connected to one side of the connection chains 65 away from the lifter plate 5. The other two connecting chains 65, the connecting plate 51 is connected to the side of the connecting chain 65 near the lifting plate 5.

Referring to fig. 3 and 4, further, the connecting plate is provided with a guide wheel 513 slidingly connected to the inner cavity of the support column 101, the guide wheel 513 is completely accommodated in the inner cavity of the support column 101, and the side walls of the guide wheel 513 are respectively abutted against the inner walls of the opposite sides of the support column 101. During the movement of the lifter plate 5, the guide wheels 513 guide the lifter plate 5 to improve the smoothness of the lifter plate 5 during movement.

The embodiment of the application provides an implementation principle of a whole-layer unstacking and lifting mechanism, which comprises the following steps: during processing, the pallet and the bags on the pallet are transported to the lifting plate 5 by using a forklift, the lifting motor 61 is started to drive the rotating rod 62 to rotate, meanwhile, the driving chain wheel 71 and the driving chain 72 are used to drive the other rotating rod 62 to rotate, so that four groups of driving chain wheels 63, driven chain wheels 64 and connecting chains 65 on the frame 1 are driven to drive the lifting plate 5 to move upwards until the bags on the first layer on the pallet are positioned at the grabbing height position of the manipulator 2, the lifting motor 61 is suspended to work, the manipulator 2 waits for the bags on the first layer to be grabbed and then horizontally slides to the processing equipment, and the manipulator 2 releases the bags to enable the bags to fall into the processing equipment; the manipulator 2 then slides horizontally back to the position where it grabs the bags, and at the same time the lifting motor 61 is started to continue working, so that each layer of bags located on the pallet can be grabbed by the manipulator 2 at a height position so that the manipulator 2 can grab. In the whole transportation process, the lifting plate 5 moves upwards to enable each layer of bags on the tray to be in the height position grabbed by the manipulator 2, and the manipulator 2 only needs to move back and forth in the horizontal direction, so that the bags can be conveyed to processing equipment after being grabbed, the operation time of the manipulator 2 is saved, and the working efficiency is greatly improved.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (7)

1. The utility model provides a whole layer elevating system that breaks a jam, includes frame (1), is used for snatching manipulator (2) of every layer of bag, its characterized in that: the bag lifting device also comprises a connecting frame (3) for horizontally sliding and connecting the manipulator (2), a control piece (4) for driving the manipulator (2) to slide, a lifting plate (5) for placing a bag, and a lifting assembly (6) for controlling the lifting plate (5) to move up and down;

One side of the connecting frame (3) is positioned in the frame (1) so as to grasp the bag by using the manipulator (2);

the control piece (4) is arranged on the manipulator (2);

The rack (1) is provided with a placing frame (102) for placing the lifting plate (5), and the placing frame (102) is positioned near the bottom of the rack (1);

The lifting assembly (6) comprises a lifting motor (61) arranged on the frame (1), two rotating rods (62) rotatably connected to the frame (1), a driving sprocket (63) arranged at two ends of the rotating rods (62), four driven sprockets (64) rotatably connected to the frame (1), and four connecting chains (65) meshed with the driving sprocket (63) and the driven sprockets (64), wherein a motor shaft of the lifting motor (61) is connected with one of the rotating rods (62), and a transmission piece (7) is arranged between the two rotating rods (62);

The four connecting chains (65) are respectively connected with the lifting plate (5), and the lifting plate (5) moves up and down through the connecting chains (65), the driving chain wheel (63) and the driven chain wheel (64).

2. A full deck unstacking and lifting mechanism as defined in claim 1 wherein: the frame (1) comprises four support columns (101) which are arranged at intervals along the vertical direction, one support column (101) is installed corresponding to one connecting chain (65), and the inside of the support column (101) is hollow, so that the connecting chain (65) is completely contained in the support column (101); in addition, the support column (101) is provided with a through hole (1011) along the length direction of the support column (101), and one side of the support column (101) is detachably connected with a protection plate (12) for shielding the through hole (1011).

3. A full deck unstacking and lifting mechanism as claimed in claim 2 wherein: and a yielding channel (13) is reserved between the protection plate (12) and the support column (101), the lifting plate (5) is provided with a connecting plate (51) which is connected with the yielding channel (13) in an up-down sliding manner, and the connecting plate (51) is detachably connected with the connecting chain (65).

4. A full deck unstacking and lifting mechanism as defined in claim 1 wherein: the transmission piece (7) comprises two transmission chain wheels (71), and transmission chains (72) connected to the two transmission chain wheels (71) in a meshed mode, wherein the two transmission chain wheels (71) are respectively arranged on the rotating rod (62), and the two transmission chain wheels are located at two ends of the transmission chains (72).

5. A full stack unstacking lifting mechanism according to claim 4 wherein: the frame (1) comprises a mounting plate (103) for rotationally connecting the rotating rod (62), a tensioning assembly (8) is arranged between the mounting plate (103) and the transmission chain (72), the tensioning assembly (8) comprises a fixed plate (81) arranged on the mounting plate (103), a first sprocket (82) rotationally connected with the mounting plate (103) and the fixed plate (81), a second sprocket (83) slidably connected with the mounting plate (103) and the fixed plate (81), and a locking piece (9) for locking the second sprocket (83); the first chain wheel (82) and the second chain wheel (83) are both positioned between the fixed plate (81) and the mounting plate (103), the first chain wheel (82) and the second chain wheel (83) are arranged at intervals along the length direction of the mounting plate (103), the second chain wheel (83) is positioned above the first chain wheel (82), and the sliding direction of the second chain wheel (83) is arranged along the length direction parallel to the mounting plate (103); at least two locking pieces (9) are respectively arranged on the mounting plate (103) and the fixing plate (81).

6. A full stack unstacking lifting mechanism as defined in claim 5 wherein: the second sprocket (83) is fixed with rotary rod (831) coaxially, locking piece (9) are including setting up in regulation locking lever (91) at rotary rod (831) both ends, threaded connection in two fixation nut (92) of regulation locking lever (91), set up in installation plate (103) or fixed plate (81) installation piece (93), during installation, installation piece (93) are located between two fixation nut (92), the both sides of installation piece (93) respectively with fixation nut (92) butt.

7. A full deck unstacking and lifting mechanism according to claim 3, wherein: the connecting plate (51) is provided with a guide wheel (513) which is connected with the inner cavity of the supporting column (101) in a sliding mode, the guide wheel (513) is completely contained in the supporting column (101), and inner walls of two opposite sides of the supporting column (101) are respectively abutted to the guide wheel (513).