Storage and taking equipment of supporting plate for transferring iron core column

Abstract

The invention relates to the technical field of storage equipment, and discloses storage and taking equipment of a supporting plate for transferring an iron core column, which comprises a storage mechanism, a direction selection transportation mechanism and a feeding transportation mechanism, a first conveying belt used for conveying the supporting plates to the storage mechanism and a second conveying belt used for conveying the supporting plates to the feeding conveying mechanism are arranged on the direction selecting conveying mechanism. And the storage mechanism comprises first mounting frames, two third conveying belts and a first lifting assembly, each first mounting frame is provided with a movable supporting assembly, and a storage space for temporary placement of the supporting plates is formed between the two first mounting frames. When the first lifting assembly ejects the supporting plate upwards out of the storage space, the movable supporting assembly is used for being supported below the mounting column of the supporting plate so as to prevent the supporting plate from falling back along with the first lifting assembly. When the supporting plates are stored, the multiple supporting plates are stacked together to be stored, the supporting plates are taken out one by one when the supporting plates are taken out, the supporting plate taking requirement of the iron core can be met, a forklift does not need to be frequently used for feeding, and using is more convenient and faster.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of storage equipment, and in particular to a storage and access device for core column transfer pallets. BACKGROUND

[0002] The main transformer core column has a large volume and heavy weight, and usually needs to be stored and transferred with the aid of a pallet. Taking a transformer core with a three-phase five-column structure as an example, one core needs 5-10 pallets for storage and transfer.

[0003] The pallet 101 structure is as shown in Figure 1 The pallet 101 is in the shape of a cuboid, and four lifting structures 102 are installed around the pallet 101 to facilitate lifting and transportation using a travelling crane. In order to save space, the storage of the core column 301 usually needs to use multi-layer storage, so four mounting columns 103 containing mounting holes 104 are additionally provided around the pallet 101. The length of the mounting column 103 is generally only half the thickness of the pallet 101, and is matched with a support column 201 provided with a stepped surface at the end. When stacking the pallet 101, the two ends of the support column 201 are inserted into the mounting holes 104 opposite to each other on two pallets 101, and the stepped surface on the support column 201 abuts against the end surface of the corresponding mounting column 103, so that the pallets 101 can be stacked together in turn, and enough space is left between the upper and lower pallets 101 to accommodate the core column 301. The stacked pallets 101 are as shown in Figure 2 .

[0004] During the production of the core column, the empty pallets need to be transported to the core column production workshop first, and then the workers complete the stacking of the core column on the pallets and transport the pallets carrying the core column to the storage warehouse. After the core column is shipped, the empty pallets are stacked outdoors to avoid occupying indoor space, so that when the pallets are used again, a transmission device needs to be set up between the outdoor area and the core column production workshop to facilitate the cross-area transmission of the pallets. The outdoor workers generally use a forklift to fork the pallets to the transmission device. Since the workers need to wait for the completion of the stacking in the workshop before forking a pallet each time, the outdoor workers need to use the forklift from time to time. The workers cannot leave the forklift for a long time, nor can they concentrate on other work, and the efficiency is relatively low. SUMMARY

[0005] In view of the shortcomings of the prior art, the purpose of the present application is to provide a storage and access device for core column transfer pallets to solve one or more problems in the prior art.

[0006] To achieve the above-mentioned purpose, the technical solution of the present application is as follows: A storage and access device for core column transfer pallets, comprising a rack, wherein the rack is provided with a storage mechanism, a directional transportation mechanism and a feeding transportation mechanism; The selective transportation mechanism is provided with a first conveying belt for transporting the pallet to the storage mechanism and a second conveying belt for transporting the pallet to the feeding transportation mechanism; The storage mechanism comprises a first mounting frame, a third conveying belt, a first lifting assembly and a movable support assembly, the third conveying belt and the first mounting frame are both two, the two third conveying belts are arranged side by side on the rack, the conveying direction of the third conveying belt is parallel to the conveying direction of the first conveying belt, the distance between the two third conveying belts is less than the width of the pallet, the first lifting assembly is between the two third conveying belts, the two first mounting frames are respectively on the side of the two conveying belts away from the first lifting assembly, the movable support assembly is mounted on each first mounting frame, and the two first mounting frames form a storage space for temporarily placing the pallet, and one end of the first conveying belt is opposite to the storage space. When the first lifting assembly pushes the pallet out of the storage space upwardly, the movable support assembly is used for supporting below the mounting column of the pallet to prevent the pallet from falling back with the first lifting assembly.

[0007] Further, the movable support device comprises a first driving source, a rotating shaft and a support piece, the rotating shaft is rotationally connected to the corresponding first mounting frame, one end of the support piece is fixed to the circumferential side wall of the rotating shaft, the other end of the support piece is away from the rotating shaft in the horizontal direction, and the first driving source is used for driving the rotation of the rotating shaft.

[0008] Further, a plurality of photoelectric detectors are arranged on the first mounting frame, and the plurality of photoelectric detectors are sequentially distributed on the side of the first mounting frame facing the storage space in the vertical direction.

[0009] Further, the selective transportation mechanism comprises a plurality of transverse transportation lines and a plurality of longitudinal transportation lines, the plurality of transverse transportation lines are arranged in a straight line along the conveying direction to form the first conveying belt, one end of the transverse transportation line faces the storage mechanism, a first interval is arranged between adjacent transverse transportation lines, the conveying direction of the longitudinal transportation line is perpendicular to the conveying direction of the transverse transportation line, and one end of the plurality of longitudinal transportation lines is arranged in the plurality of first intervals, respectively, and the other end of the longitudinal transportation line faces the feeding transportation mechanism to form the second conveying line.

[0010] Further, the selective transportation mechanism further comprises a second lifting assembly, the second lifting assembly is mounted on the rack, and the plurality of transverse transportation lines are mounted on the second lifting assembly.

[0011] Further, the rack is provided with two first baffles, the first baffles are arranged parallel to the longitudinal transportation line, and the two first baffles are respectively located on the two sides of the second conveying line, and one end of the first baffle facing the transverse transportation line is provided with a guide plate.

[0012] Further, the feeding and conveying mechanism comprises a third lifting assembly, a plurality of chain conveying lines and a plurality of drum conveying lines, the drum conveying lines are arranged in parallel to the first conveying lines, the chain conveying lines are arranged in parallel to the second conveying lines, the plurality of drum conveying lines are arranged in a straight line along the conveying direction, and the second intervals are arranged between adjacent drum conveying lines, the plurality of chain conveying lines are arranged on the third lifting assembly and are lifted in the vertical direction by the third lifting assembly, and the ends of the plurality of chain conveying lines away from the second conveying lines are arranged in the plurality of second intervals.

[0013] Further, the first baffle plates parallel to the chain conveying lines are arranged on both sides of the third lifting assembly, and the second baffle plates are arranged on the sides of the drum conveying lines away from the lifting chain lines.

[0014] Compared with the prior art, the beneficial technical effects of the present application are as follows: when the pallets are stored, a plurality of pallets are stacked for storage, and the pallets are taken out one by one when taken, which can meet the requirements of taking the pallets for the iron core, and does not need to frequently use the forklift for feeding, and is more convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A structural schematic diagram of a pallet for transferring an iron core column is shown.

[0016] Figure 2 A structural schematic diagram of a plurality of pallets supporting the iron core stacked together is shown.

[0017] Figure 3 A structural schematic diagram of an access equipment of a pallet for transferring an iron core column provided in the embodiment of the present application is shown.

[0018] Figure 4 A structural schematic diagram of a transverse conveying line on a direction selection conveying mechanism provided in the embodiment of the present application is shown.

[0019] Figure 5 A structural schematic diagram of a longitudinal conveying line on a direction selection conveying mechanism provided in the embodiment of the present application is shown.

[0020] Figure 6 A structural schematic diagram of a storage mechanism provided in the embodiment of the present application is shown.

[0021] Figure 7 A structural schematic diagram of Figure 6 An enlarged view of A in FIG.

[0022] Figure 8 A structural schematic diagram of a chain conveying line on a feeding and conveying mechanism provided in the embodiment of the present application is shown.

[0023] Figure 9 A structural schematic diagram of a drum conveying line on a feeding and conveying mechanism provided in the embodiment of the present application is shown.

[0024] Figure 10 A three-dimensional structural diagram of the storage mechanism is shown in an embodiment of the present invention when the tray is stored in the storage mechanism.

[0025] Figure 11 A side view of the storage mechanism is shown in an embodiment of the present invention when the tray is stored in the storage mechanism.

[0026] Figure 12 A side view of the storage mechanism is shown in an embodiment of the present invention when the first tray is removed.

[0027] Figure 13 A side view of the storage mechanism is shown in an embodiment of the present invention when the last pallet is removed.

[0028] Reference numerals: 1. Frame; 11. First baffle; 2. Orientation transport mechanism; 21. Transverse transport line; 211. Second mounting frame; 212. First rotating roller; 22. Longitudinal transport line; 221. Third mounting frame; 222. Conveyor chain; 223. Drive rod; 23. Second lifting assembly; 231. First drive motor; 232. First rotating roller; 233. First lifting frame; 234. First transmission component; 3. Storage mechanism; 31. First mounting frame; 32. Third transmission... Belt; 33, First lifting assembly; 34, Photoelectric detector; 4, Feeding and conveying mechanism; 41, Third lifting assembly; 411, Second rotating roller; 412, Second lifting frame; 42, Chain conveyor line; 43, Roller conveyor line; 431, Second baffle; 6, Movable support assembly; 61, First drive source; 62, Rotating shaft; 63, Support component; 101, Pallet; 102, Lifting structure; 103, Mounting column; 104, Mounting hole; 201, Support column; 301, Core column. Detailed Implementation

[0029] A storage and retrieval device for iron core columns using a pallet, see [link / reference]. Figure 3 The system includes a frame 1, on which a directional transport mechanism 2, a storage mechanism 3, and a loading transport mechanism 4 are mounted. The directional transport mechanism 2 is equipped with a first conveyor belt for transporting pallets to the storage mechanism 3 and a second conveyor belt for transporting pallets to the loading transport mechanism 4. The first conveyor belt has bidirectional transport function, while the second conveyor belt has unidirectional transport function.

[0030] In actual use, the storage mechanism 3 and the direction-selective conveying mechanism 2 are both placed outdoors, and the feeding conveying mechanism 4 crosses the outdoor and the workshop. A passageway for the feeding conveying mechanism 4 to pass through and to communicate the indoor and outdoor is opened on the wall of the workshop. After the workers place the pallets on the direction-selective conveying mechanism 2 by the forklift, the direction-selective conveying mechanism 2 places the pallets into the storage mechanism 3 by the first conveying belt to be stored. When the workshop needs to use the pallets, the storage mechanism 3 places the stored pallets back to the direction-selective conveying mechanism 2 by the first conveying belt, and the direction-selective conveying mechanism 2 places the pallets into the feeding conveying mechanism 4 by the second conveying belt, and the feeding conveying mechanism 4 conveys the pallets into the workshop.

[0031] Referring to Figure 3 、 Figure 4 The direction-selective conveying mechanism 2 comprises a second lifting assembly 23, a plurality of transverse conveying lines 21 and a plurality of longitudinal conveying lines 22. The plurality of transverse conveying lines 21 are arranged in a straight line along the conveying direction to form the first conveying belt, one end of the transverse conveying line 21 faces the storage mechanism 3, a first interval is arranged between the adjacent transverse conveying lines 21, the conveying direction of the longitudinal conveying line 22 is perpendicular to the conveying direction of the transverse conveying line 21, and one end of the plurality of longitudinal conveying lines 22 is arranged in the plurality of first intervals respectively, the other end of the longitudinal conveying line 22 faces the feeding conveying mechanism 4 to form the second conveying belt. The second lifting assembly 23 is used to support all the transverse conveying lines 21 and to drive the transverse conveying lines 21 to move vertically.

[0032] In this embodiment, the transverse conveying line 21 has four segments, and three first intervals are formed between the four transverse conveying lines 21. Correspondingly, the longitudinal conveying line 22 has three segments, and one end of the three longitudinal conveying lines 22 is arranged in the three first intervals respectively.

[0033] Before the pallets are conveyed to the direction-selective conveying mechanism 2 by the forklift, the second lifting assembly 23 drives all the transverse conveying lines 21 to move downward to leave enough space for the tines of the forklift. After the pallets are stably placed on the longitudinal conveying line 22, the tines of the forklift exit the direction-selective conveying mechanism 2, the second lifting assembly 23 drives the transverse conveying lines 21 to reset and move upward, so that the transverse conveying lines 21 and the longitudinal conveying lines 22 jointly support the pallets.

[0034] Referring to Figure 4, the second lifting assembly 23 comprises a first driving motor 231, a plurality of first rotating rollers 232212 and a plurality of first lifting frames 233. The plurality of first lifting frames 233 are sequentially arranged on the rack 1 along the first conveying line direction, and all the first lifting frames 233 are slidingly connected to the rack 1 in the vertical direction. The plurality of first rotating rollers 232212 correspond to the plurality of first lifting frames 233 one by one, and the plurality of transverse conveying lines 21 correspond to the plurality of first lifting frames 233 one by one. The first rotating rollers 232212 are rotationally connected to the rack 1, and the first rotating rollers 232212 are located directly below the corresponding first lifting frames 233. The two ends of the first rotating roller 232212 are fixed with eccentric wheels, and the first lifting frame 233 is supported on the two eccentric wheels corresponding to the first rotating roller 232212. The output shaft of the first driving motor 231 is provided with a first transmission member 234 between the plurality of first rotating rollers 232212, and the first driving motor 231 drives the first rotating roller 232212 to rotate synchronously through the first transmission member 234. In this embodiment, the first transmission member 234 comprises a driving sprocket coaxially connected with the output shaft of the first driving motor 231, a driven sprocket coaxially connected with the first rotating roller 232212, and a chain meshing between the driving sprocket and the driven sprocket.

[0035] When the first driving motor 231 works, all the first rotating rollers 232212 rotate synchronously through the corresponding first transmission members 234. The eccentric wheels drive the supported first lifting frames 233 to move up and down with the rotation of the first rotating rollers 232212, thereby realizing the position adjustment of the transverse conveying line 21 in the vertical direction.

[0036] Referring to Figure 4 , the transverse conveying line 21 comprises a second mounting frame 211 fixed on the corresponding first lifting frame 233, a plurality of first rotating rollers 232212 arranged side by side and rotationally connected to the second mounting frame 211, and a driving source for driving the first rotating roller 232212 to rotate. Since the second lifting assembly 23 occupies part of the space in the rack 1, it is difficult for the plurality of transverse conveying lines 21 to share a driving source through a transmission assembly, so in this embodiment, the plurality of transverse conveying lines 21 are respectively provided with independent driving sources, which are controlled by the controller to work synchronously in operation.

[0037] Referring to Figure 3 , Figure 5 , the longitudinal conveying line 22 comprises a third mounting frame 221 fixed on the rack 1, a conveying chain 222 mounted on the third mounting frame 221, and a driving mechanism for driving the conveying chain 222 to rotate. The adjacent longitudinal conveying lines 22 are respectively connected with transmission rods 223, and only one driving mechanism needs to be provided in the plurality of longitudinal conveying lines 22, which drives the conveying chains 222 in other longitudinal conveying lines 22 to convey through the transmission rods 223.

[0038] In addition, two first baffles 11 are fixedly installed on the rack 1 and are respectively located on two sides of the second conveying line. The first baffles 11 are arranged parallel to the longitudinal conveying line 22, and the distance between the two first baffles 11 is matched with the length of the tray. An end of the first baffle 11 towards the transverse conveying line 21 is provided with a guide plate, and the guide plate is arranged obliquely, and the end of the guide plate away from the first baffle 11 is inclined in a horizontal direction to a side away from the longitudinal conveying line 22.

[0039] Referring to Figure 3 , Figure 6 The storage mechanism 3 includes a first mounting frame 31 and a third conveying belt 32. The third conveying belt 32 and the first mounting frame 31 are both two, the two third conveying belts 32 are arranged side by side on the rack 1, the conveying direction of the third conveying belt 32 is parallel to the conveying direction of the first conveying belt, the two first mounting frames 31 are respectively located on the sides of the two conveying belts away from the first lifting assembly 33, and a plurality of movable support assemblies 6 are installed on each first mounting frame 31. The structure of the third conveying belt 32 is the same as that of the longitudinal conveying line 22, and both are chain conveying mechanisms, and the two third conveying belts 32 are driven by the same driving structure, and the driving structure is installed on the side of the rack 1 away from the direction-selecting conveying mechanism 2. The driving structure includes a motor, a chain and a sprocket, and the motor provides power, and the chain and the sprocket drive. The surface of the third conveying belt for supporting the tray is flush with the surface of the longitudinal conveying line 22 for supporting the tray, and the installation position of the movable support assembly 6 on the first mounting frame 31 is higher than the third conveying belt.

[0040] The distance between the two third conveying belts 32 is less than the width of the tray, and the storage space for temporarily placing the tray is formed between the two first mounting frames 31, and one end of the first conveying belt is opposite to the storage space; the rack 1 is provided with a first lifting assembly 33 in the storage space. The first lifting assembly 33 includes a second driving source and a support plate, and the second driving source is a powered scissor lift. The support plate is fixed to the top of the scissor lift, and the width of the support plate is less than the distance between the two third conveying belts 32, and the support plate can be separated from the storage space and raised to the same height as the movable support assembly 6 as the second driving source pushes upward.

[0041] Referring to Figure 6 , Figure 7The top of each first mounting frame 31 corresponds to two movable support devices, and the two movable support devices are respectively close to the two ends of the first mounting frame 31. The movable support device comprises a first driving source 61, a rotating shaft 62 and a support piece 63. The rotating shaft 62 is rotationally connected to the top of the corresponding first mounting frame 31. One end of the support piece 63 is fixed on the circumferential side wall of the rotating shaft 62, and the other end of the support piece 63 is away from the rotating shaft 62 in the horizontal direction. The first driving source 61 is used to drive the rotation of the rotating shaft 62. In this embodiment, the first driving source 61 is a motor.

[0042] The first mounting frame 31 is provided with a plurality of photoelectric detectors 34, which are sequentially distributed on the side of the first mounting frame 31 facing the storage space in the vertical direction. Through the plurality of photoelectric detectors 34, the approximate number of the tray stored in the storage mechanism 3 can be identified.

[0043] Referring to Figure 3 、 Figure 8 The feeding and conveying mechanism 4 comprises a third lifting assembly 41, a plurality of chain conveying lines 42 and a plurality of drum conveying lines 43. Among them, the drum conveying line 43 is in the workshop, and one end of the chain conveying line 42 is in the outdoor, and the other end extends into the workshop. The third lifting assembly 41 is used to drive all chain conveying lines 42 to lift synchronously to adapt to the height difference between the outdoor and the workshop.

[0044] The drum conveying line 43 is parallel to the first conveying line, and a plurality of drum conveying lines 43 are arranged in a straight line along the conveying direction, and a second interval is arranged between adjacent drum conveying lines 43. The third lifting assembly 41 is between the drum conveying line 43 and the conveying mechanism. A plurality of chain conveying lines 42 are arranged side by side and are arranged on the third lifting assembly 41, and the chain conveying line 42 is parallel to the second conveying line. The end of the plurality of chain conveying lines 42 away from the second conveying line is respectively arranged in a plurality of second intervals.

[0045] The third lifting assembly 41 includes a third drive source, two second rotating rollers 411, and two second lifting frames 412. The two second lifting frames 412 are sequentially arranged on the frame 1 along the direction of the second transmission line, and all second lifting frames 412 are slidably connected to the frame 1 in a vertical direction. Each of the two second rotating rollers 411 corresponds to one of the two second lifting frames 412, and both ends of the chain transport line 42 are respectively fixed to the two second lifting frames 412. The second rotating rollers 411 are rotatably connected to the frame 1, and are located directly below the corresponding second lifting frame 412. Eccentric wheels are fixed at both ends of each second rotating roller 411, and the second lifting frame 412 is supported on the two eccentric wheels of the corresponding second rotating roller 411. The third drive source includes a second drive motor and two second transmission components. The second drive motor drives the two second rotating rollers 411 to rotate through the two second transmission components. In this embodiment, the structure of the second transmission component is the same as that of the first transmission component 234.

[0046] The structure of the chain transport line 42 is the same as that of the longitudinal transport line 22. Furthermore, among the multiple chain transport lines 42 arranged side-by-side, the two outermost chain transport lines 42 are each provided with a first baffle 11 on their opposite sides.

[0047] See Figure 3 , Figure 9 The structure of the roller conveyor line 43 is basically the same as that of the transverse conveyor line 21, except that the roller conveyor line 43 has multiple second baffles 431 fixed on the side away from the transverse conveyor line 21. The multiple second baffles 431 are evenly distributed along the conveying direction of the roller conveyor line 43.

[0048] Specific work process: Typically, pallets are stacked in groups of five. A forklift picks up one group of pallets, and the first drive motor 231 pre-drives the first rotating roller 232212 to rotate, causing the first lifting frame 233 to lower the entire transverse transport line 21. The forklift then places the pallet onto the longitudinal transport line 22, and the forklift's forks continue to move downwards a short distance, separating the forklift from the pallet. Once the forklift is away from the longitudinal transport line 22, the first drive motor 231 resets the first rotating roller 232212, and the transverse transport line 21 rises to support the pallet along with the longitudinal transport line 22.

[0049] The driving source in the horizontal transportation line 21 is restarted to drive the first rotating roller 232212 to rotate, and a group of the pallets on the horizontal transportation line 21 moves towards the storage mechanism 3 and finally enters the third conveying belt 32. The third conveying belt 32 continues to drive the pallets to move, and when the center position of the pallets is above the support plate, the third conveying belt 32 stops working, and the scissor lift is started to drive the support plate to move upwards to drive the pallets upwards. When the height of the lowest pallet also exceeds the movable support device, the scissor lift is temporarily stopped, and under the driving of the first driving source 61, the support 63 is rotated to be below the corresponding support column on the pallet. The scissor lift starts to reset, and the pallet is abutted on the corresponding support 63 through the support column, so that the pallet is separated from the support plate. At this time, the state is as shown in Figure 10 、 Figure 11 .

[0050] When the pallets need to be fed, the scissor lift is raised again to lift a group of the pallets, so that the support 63 is rotated back to the top of the first mounting frame 31 and no longer blocks the corresponding mounting column below. The scissor lift is slightly moved downwards, so that the mounting column on the lowest pallet is below the support 63, and the mounting columns of the other pallets are above the support 63. The support 63 is rotated to the side of the pallet to support the other pallets, so that only the lowest pallet falls back to the third conveying belt 32 with the scissor lift. At this time, the state is as shown in Figure 12 . The third conveying belt 32 conveys a pallet to the direction selection transportation mechanism 2, and then moves to the chain transportation line 42 through the vertical transportation line 22. After the pallet completely enters the chain transportation line 42, the chain transportation line 42 temporarily stops conveying the pallet. The chain transportation line 42 is driven by the third lifting assembly 41 to rise, so that the height of the chain transportation line 42 is at the same level as the height of the drum conveying line. The chain transportation line 42 continues to convey the pallet to move above the drum conveying line 43, and at this time, the feeding of the pallet is completed.

[0051] The feeding process of the remaining pallets on the storage mechanism 3 is the same as the first pallet. Only the last pallet is supported by the scissor lift. Since the support 63 does not need to support the remaining pallets, the scissor lift does not need to stop during the process, and can directly drive the last pallet to fall to the third conveying belt 32. At this time, the state is as shown in Figure 13 .

[0052] In addition, if the pallets need to be fed urgently, the forklift can lift a pallet at a time and place it on the direction selection transportation mechanism 2. The vertical transportation line 22 directly conveys the pallet to the chain transportation line 42 without passing through the storage mechanism 3.

[0053] Any combination of the technical features in the above-described embodiments can be made, and for the sake of brevity, not all possible combinations are described, however, as long as the combination of the technical features does not exist in contradiction, it shall be considered within the scope of the present disclosure.

[0054] The above-described embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it shall not be understood as a limitation on the patent scope of the present application. It shall be pointed out that, for ordinary skilled persons in the art, several modifications and improvements can be made without departing from the concept of the present application, and these shall be within the protection scope of the present application. Therefore, the protection scope of the present application patent shall be subject to the appended claims.

Claims

1. A core column transfer pallet access device, characterized by: The rack (1) is provided with a storage mechanism (3), a direction selection conveying mechanism (2) and a feeding conveying mechanism (4); The direction selection conveying mechanism (2) is provided with a first conveying belt for conveying the pallet to the storage mechanism (3) and a second conveying belt for conveying the pallet to the feeding conveying mechanism (4); The storage mechanism (3) comprises a first mounting frame (31), a third conveying belt (32), a first lifting assembly (33) and a movable support assembly (6), the third conveying belt (32) and the first mounting frame (31) are both two, the two third conveying belts (32) are arranged side by side on the rack (1), the conveying direction of the third conveying belt (32) is parallel to the conveying direction of the first conveying belt, the distance between the two third conveying belts (32) is less than the width of the pallet, the first lifting assembly (33) is between the two third conveying belts (32), the two first mounting frames (31) are respectively on the side away from the first lifting assembly (33) of the two conveying belts, the movable support assembly (6) is mounted on each first mounting frame (31), the storage space for temporarily placing the pallet is formed between the two first mounting frames (31), and one end of the first conveying belt is opposite to the storage space. When the first lifting assembly (33) pushes the pallet out of the storage space upward, the movable support assembly (6) is used for supporting below the mounting column of the pallet to prevent the pallet from falling back with the first lifting assembly (33).

2. The access device for transferring the core column with the pallet according to claim 1, characterized in that: The movable support device comprises a first driving source (61), a rotating shaft (62) and a support piece (63), the rotating shaft (62) is rotatably connected to the corresponding first mounting frame (31), one end of the support piece (63) is fixed on the circumferential side wall of the rotating shaft (62), the other end of the support piece (63) is away from the rotating shaft (62) in the horizontal direction, and the first driving source (61) is used for driving the rotation of the rotating shaft (62).

3. The access device for transferring the core column with the pallet according to claim 2, characterized in that: A plurality of photoelectric detectors (34) are arranged on the first mounting frame (31) in the vertical direction.

4. The access device for transferring the core column with the pallet according to claim 1, characterized in that: The direction selection conveying mechanism (2) comprises a plurality of transverse conveying lines (21) and a plurality of longitudinal conveying lines (22), the plurality of transverse conveying lines (21) are arranged in a straight line along the conveying direction to form the first conveying belt, one end of the transverse conveying line (21) faces the storage mechanism (3), a first interval is arranged between adjacent transverse conveying lines (21), the conveying direction of the longitudinal conveying line (22) is perpendicular to the conveying direction of the transverse conveying line (21), and one end of the plurality of longitudinal conveying lines (22) is arranged in the plurality of first intervals, respectively, and the other end of the longitudinal conveying line (22) faces the feeding conveying mechanism (4) to form the second conveying line.

5. The access device for transferring the core column with the pallet according to claim 4, characterized in that: The direction selection conveying mechanism (2) further comprises a second lifting assembly (23), the second lifting assembly (23) is mounted on the rack (1), and the plurality of transverse conveying lines (21) are mounted on the second lifting assembly (23).

6. The access device for transferring the core column with the pallet according to claim 4, characterized in that: The rack (1) is provided with two first baffles (11), the first baffles (11) are arranged parallel to the longitudinal conveying line (22), and the two first baffles (11) are respectively located on the two sides of the second conveying line, and the first baffles (11) are provided with guide plates towards one end of the transverse conveying line (21).

7. The access device for transferring the core column with the pallet according to claim 1, characterized in that: The feeding conveying mechanism (4) comprises a third lifting assembly (41), a plurality of chain conveying lines (42) and a plurality of drum conveying lines (43), the drum conveying lines (43) are arranged parallel to the first conveying line, the chain conveying lines (42) are arranged parallel to the second conveying line, the plurality of drum conveying lines (43) are arranged in a straight line along the conveying direction, and second intervals are arranged between adjacent drum conveying lines (43), the plurality of chain conveying lines (42) are arranged side by side on the third lifting assembly (41) and are lifted in the vertical direction by the third lifting assembly (41), and the ends of the plurality of chain conveying lines (42) away from the second conveying line are respectively located in the plurality of second intervals.

8. The access device for transferring the core column with the pallet according to claim 7, characterized in that: The two sides of the third lifting assembly (41) are provided with first baffles (11) parallel to the chain conveying lines (42), and the side of the drum conveying line (43) away from the lifting chain line is provided with a second baffle (431).

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